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Diffstat (limited to 'codemirror_ui/lib/CodeMirror-2.3/lib/codemirror.js')
| -rw-r--r-- | codemirror_ui/lib/CodeMirror-2.3/lib/codemirror.js | 3181 |
1 files changed, 3181 insertions, 0 deletions
diff --git a/codemirror_ui/lib/CodeMirror-2.3/lib/codemirror.js b/codemirror_ui/lib/CodeMirror-2.3/lib/codemirror.js new file mode 100644 index 0000000..250d5b1 --- /dev/null +++ b/codemirror_ui/lib/CodeMirror-2.3/lib/codemirror.js @@ -0,0 +1,3181 @@ +// CodeMirror version 2.3 +// +// All functions that need access to the editor's state live inside +// the CodeMirror function. Below that, at the bottom of the file, +// some utilities are defined. + +// CodeMirror is the only global var we claim +var CodeMirror = (function() { + // This is the function that produces an editor instance. Its + // closure is used to store the editor state. + function CodeMirror(place, givenOptions) { + // Determine effective options based on given values and defaults. + var options = {}, defaults = CodeMirror.defaults; + for (var opt in defaults) + if (defaults.hasOwnProperty(opt)) + options[opt] = (givenOptions && givenOptions.hasOwnProperty(opt) ? givenOptions : defaults)[opt]; + + // The element in which the editor lives. + var wrapper = document.createElement("div"); + wrapper.className = "CodeMirror" + (options.lineWrapping ? " CodeMirror-wrap" : ""); + // This mess creates the base DOM structure for the editor. + wrapper.innerHTML = + '<div style="overflow: hidden; position: relative; width: 3px; height: 0px;">' + // Wraps and hides input textarea + '<textarea style="position: absolute; padding: 0; width: 1px; height: 1em" wrap="off" ' + + 'autocorrect="off" autocapitalize="off"></textarea></div>' + + '<div class="CodeMirror-scrollbar">' + // The vertical scrollbar. Horizontal scrolling is handled by the scroller itself. + '<div class="CodeMirror-scrollbar-inner">' + // The empty scrollbar content, used solely for managing the scrollbar thumb. + '</div></div>' + // This must be before the scroll area because it's float-right. + '<div class="CodeMirror-scroll" tabindex="-1">' + + '<div style="position: relative">' + // Set to the height of the text, causes scrolling + '<div style="position: relative">' + // Moved around its parent to cover visible view + '<div class="CodeMirror-gutter"><div class="CodeMirror-gutter-text"></div></div>' + + // Provides positioning relative to (visible) text origin + '<div class="CodeMirror-lines"><div style="position: relative; z-index: 0">' + + // Used to measure text size + '<div style="position: absolute; width: 100%; height: 0; overflow: hidden; visibility: hidden;"></div>' + + '<pre class="CodeMirror-cursor"> </pre>' + // Absolutely positioned blinky cursor + '<pre class="CodeMirror-cursor" style="visibility: hidden"> </pre>' + // Used to force a width + '<div style="position: relative; z-index: -1"></div><div></div>' + // DIVs containing the selection and the actual code + '</div></div></div></div></div>'; + if (place.appendChild) place.appendChild(wrapper); else place(wrapper); + // I've never seen more elegant code in my life. + var inputDiv = wrapper.firstChild, input = inputDiv.firstChild, + scroller = wrapper.lastChild, code = scroller.firstChild, + mover = code.firstChild, gutter = mover.firstChild, gutterText = gutter.firstChild, + lineSpace = gutter.nextSibling.firstChild, measure = lineSpace.firstChild, + cursor = measure.nextSibling, widthForcer = cursor.nextSibling, + selectionDiv = widthForcer.nextSibling, lineDiv = selectionDiv.nextSibling, + scrollbar = inputDiv.nextSibling, scrollbarInner = scrollbar.firstChild; + themeChanged(); keyMapChanged(); + // Needed to hide big blue blinking cursor on Mobile Safari + if (ios) input.style.width = "0px"; + if (!webkit) scroller.draggable = true; + lineSpace.style.outline = "none"; + if (options.tabindex != null) input.tabIndex = options.tabindex; + if (options.autofocus) focusInput(); + if (!options.gutter && !options.lineNumbers) gutter.style.display = "none"; + // Needed to handle Tab key in KHTML + if (khtml) inputDiv.style.height = "1px", inputDiv.style.position = "absolute"; + + // Check for OS X >= 10.7. If so, we need to force a width on the scrollbar, and + // make it overlap the content. (But we only do this if the scrollbar doesn't already + // have a natural width. If the mouse is plugged in or the user sets the system pref + // to always show scrollbars, the scrollbar shouldn't overlap.) + if (mac_geLion) { + scrollbar.className += (overlapScrollbars() ? " cm-sb-overlap" : " cm-sb-nonoverlap"); + } else if (ie_lt8) { + // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). + scrollbar.className += " cm-sb-ie7"; + } + + // Check for problem with IE innerHTML not working when we have a + // P (or similar) parent node. + try { stringWidth("x"); } + catch (e) { + if (e.message.match(/runtime/i)) + e = new Error("A CodeMirror inside a P-style element does not work in Internet Explorer. (innerHTML bug)"); + throw e; + } + + // Delayed object wrap timeouts, making sure only one is active. blinker holds an interval. + var poll = new Delayed(), highlight = new Delayed(), blinker; + + // mode holds a mode API object. doc is the tree of Line objects, + // work an array of lines that should be parsed, and history the + // undo history (instance of History constructor). + var mode, doc = new BranchChunk([new LeafChunk([new Line("")])]), work, focused; + loadMode(); + // The selection. These are always maintained to point at valid + // positions. Inverted is used to remember that the user is + // selecting bottom-to-top. + var sel = {from: {line: 0, ch: 0}, to: {line: 0, ch: 0}, inverted: false}; + // Selection-related flags. shiftSelecting obviously tracks + // whether the user is holding shift. + var shiftSelecting, lastClick, lastDoubleClick, lastScrollTop = 0, lastScrollLeft = 0, draggingText, + overwrite = false, suppressEdits = false; + // Variables used by startOperation/endOperation to track what + // happened during the operation. + var updateInput, userSelChange, changes, textChanged, selectionChanged, leaveInputAlone, + gutterDirty, callbacks; + // Current visible range (may be bigger than the view window). + var displayOffset = 0, showingFrom = 0, showingTo = 0, lastSizeC = 0; + // bracketHighlighted is used to remember that a bracket has been + // marked. + var bracketHighlighted; + // Tracks the maximum line length so that the horizontal scrollbar + // can be kept static when scrolling. + var maxLine = "", updateMaxLine = false, maxLineChanged = true; + var tabCache = {}; + + // Initialize the content. + operation(function(){setValue(options.value || ""); updateInput = false;})(); + var history = new History(); + + // Register our event handlers. + connect(scroller, "mousedown", operation(onMouseDown)); + connect(scroller, "dblclick", operation(onDoubleClick)); + connect(lineSpace, "selectstart", e_preventDefault); + // Gecko browsers fire contextmenu *after* opening the menu, at + // which point we can't mess with it anymore. Context menu is + // handled in onMouseDown for Gecko. + if (!gecko) connect(scroller, "contextmenu", onContextMenu); + connect(scroller, "scroll", onScroll); + connect(scrollbar, "scroll", onScroll); + connect(scrollbar, "mousedown", function() {setTimeout(focusInput, 0);}); + connect(scroller, "mousewheel", onMouseWheel); + connect(scroller, "DOMMouseScroll", onMouseWheel); + connect(window, "resize", function() {updateDisplay(true);}); + connect(input, "keyup", operation(onKeyUp)); + connect(input, "input", fastPoll); + connect(input, "keydown", operation(onKeyDown)); + connect(input, "keypress", operation(onKeyPress)); + connect(input, "focus", onFocus); + connect(input, "blur", onBlur); + + if (options.dragDrop) { + connect(scroller, "dragstart", onDragStart); + function drag_(e) { + if (options.onDragEvent && options.onDragEvent(instance, addStop(e))) return; + e_stop(e); + } + connect(scroller, "dragenter", drag_); + connect(scroller, "dragover", drag_); + connect(scroller, "drop", operation(onDrop)); + } + connect(scroller, "paste", function(){focusInput(); fastPoll();}); + connect(input, "paste", fastPoll); + connect(input, "cut", operation(function(){ + if (!options.readOnly) replaceSelection(""); + })); + + // Needed to handle Tab key in KHTML + if (khtml) connect(code, "mouseup", function() { + if (document.activeElement == input) input.blur(); + focusInput(); + }); + + // IE throws unspecified error in certain cases, when + // trying to access activeElement before onload + var hasFocus; try { hasFocus = (document.activeElement == input); } catch(e) { } + if (hasFocus || options.autofocus) setTimeout(onFocus, 20); + else onBlur(); + + function isLine(l) {return l >= 0 && l < doc.size;} + // The instance object that we'll return. Mostly calls out to + // local functions in the CodeMirror function. Some do some extra + // range checking and/or clipping. operation is used to wrap the + // call so that changes it makes are tracked, and the display is + // updated afterwards. + var instance = wrapper.CodeMirror = { + getValue: getValue, + setValue: operation(setValue), + getSelection: getSelection, + replaceSelection: operation(replaceSelection), + focus: function(){window.focus(); focusInput(); onFocus(); fastPoll();}, + setOption: function(option, value) { + var oldVal = options[option]; + options[option] = value; + if (option == "mode" || option == "indentUnit") loadMode(); + else if (option == "readOnly" && value == "nocursor") {onBlur(); input.blur();} + else if (option == "readOnly" && !value) {resetInput(true);} + else if (option == "theme") themeChanged(); + else if (option == "lineWrapping" && oldVal != value) operation(wrappingChanged)(); + else if (option == "tabSize") updateDisplay(true); + else if (option == "keyMap") keyMapChanged(); + if (option == "lineNumbers" || option == "gutter" || option == "firstLineNumber" || option == "theme") { + gutterChanged(); + updateDisplay(true); + } + }, + getOption: function(option) {return options[option];}, + undo: operation(undo), + redo: operation(redo), + indentLine: operation(function(n, dir) { + if (typeof dir != "string") { + if (dir == null) dir = options.smartIndent ? "smart" : "prev"; + else dir = dir ? "add" : "subtract"; + } + if (isLine(n)) indentLine(n, dir); + }), + indentSelection: operation(indentSelected), + historySize: function() {return {undo: history.done.length, redo: history.undone.length};}, + clearHistory: function() {history = new History();}, + matchBrackets: operation(function(){matchBrackets(true);}), + getTokenAt: operation(function(pos) { + pos = clipPos(pos); + return getLine(pos.line).getTokenAt(mode, getStateBefore(pos.line), pos.ch); + }), + getStateAfter: function(line) { + line = clipLine(line == null ? doc.size - 1: line); + return getStateBefore(line + 1); + }, + cursorCoords: function(start, mode) { + if (start == null) start = sel.inverted; + return this.charCoords(start ? sel.from : sel.to, mode); + }, + charCoords: function(pos, mode) { + pos = clipPos(pos); + if (mode == "local") return localCoords(pos, false); + if (mode == "div") return localCoords(pos, true); + return pageCoords(pos); + }, + coordsChar: function(coords) { + var off = eltOffset(lineSpace); + return coordsChar(coords.x - off.left, coords.y - off.top); + }, + markText: operation(markText), + setBookmark: setBookmark, + findMarksAt: findMarksAt, + setMarker: operation(addGutterMarker), + clearMarker: operation(removeGutterMarker), + setLineClass: operation(setLineClass), + hideLine: operation(function(h) {return setLineHidden(h, true);}), + showLine: operation(function(h) {return setLineHidden(h, false);}), + onDeleteLine: function(line, f) { + if (typeof line == "number") { + if (!isLine(line)) return null; + line = getLine(line); + } + (line.handlers || (line.handlers = [])).push(f); + return line; + }, + lineInfo: lineInfo, + addWidget: function(pos, node, scroll, vert, horiz) { + pos = localCoords(clipPos(pos)); + var top = pos.yBot, left = pos.x; + node.style.position = "absolute"; + code.appendChild(node); + if (vert == "over") top = pos.y; + else if (vert == "near") { + var vspace = Math.max(scroller.offsetHeight, doc.height * textHeight()), + hspace = Math.max(code.clientWidth, lineSpace.clientWidth) - paddingLeft(); + if (pos.yBot + node.offsetHeight > vspace && pos.y > node.offsetHeight) + top = pos.y - node.offsetHeight; + if (left + node.offsetWidth > hspace) + left = hspace - node.offsetWidth; + } + node.style.top = (top + paddingTop()) + "px"; + node.style.left = node.style.right = ""; + if (horiz == "right") { + left = code.clientWidth - node.offsetWidth; + node.style.right = "0px"; + } else { + if (horiz == "left") left = 0; + else if (horiz == "middle") left = (code.clientWidth - node.offsetWidth) / 2; + node.style.left = (left + paddingLeft()) + "px"; + } + if (scroll) + scrollIntoView(left, top, left + node.offsetWidth, top + node.offsetHeight); + }, + + lineCount: function() {return doc.size;}, + clipPos: clipPos, + getCursor: function(start) { + if (start == null) start = sel.inverted; + return copyPos(start ? sel.from : sel.to); + }, + somethingSelected: function() {return !posEq(sel.from, sel.to);}, + setCursor: operation(function(line, ch, user) { + if (ch == null && typeof line.line == "number") setCursor(line.line, line.ch, user); + else setCursor(line, ch, user); + }), + setSelection: operation(function(from, to, user) { + (user ? setSelectionUser : setSelection)(clipPos(from), clipPos(to || from)); + }), + getLine: function(line) {if (isLine(line)) return getLine(line).text;}, + getLineHandle: function(line) {if (isLine(line)) return getLine(line);}, + setLine: operation(function(line, text) { + if (isLine(line)) replaceRange(text, {line: line, ch: 0}, {line: line, ch: getLine(line).text.length}); + }), + removeLine: operation(function(line) { + if (isLine(line)) replaceRange("", {line: line, ch: 0}, clipPos({line: line+1, ch: 0})); + }), + replaceRange: operation(replaceRange), + getRange: function(from, to) {return getRange(clipPos(from), clipPos(to));}, + + triggerOnKeyDown: operation(onKeyDown), + execCommand: function(cmd) {return commands[cmd](instance);}, + // Stuff used by commands, probably not much use to outside code. + moveH: operation(moveH), + deleteH: operation(deleteH), + moveV: operation(moveV), + toggleOverwrite: function() { + if(overwrite){ + overwrite = false; + cursor.className = cursor.className.replace(" CodeMirror-overwrite", ""); + } else { + overwrite = true; + cursor.className += " CodeMirror-overwrite"; + } + }, + + posFromIndex: function(off) { + var lineNo = 0, ch; + doc.iter(0, doc.size, function(line) { + var sz = line.text.length + 1; + if (sz > off) { ch = off; return true; } + off -= sz; + ++lineNo; + }); + return clipPos({line: lineNo, ch: ch}); + }, + indexFromPos: function (coords) { + if (coords.line < 0 || coords.ch < 0) return 0; + var index = coords.ch; + doc.iter(0, coords.line, function (line) { + index += line.text.length + 1; + }); + return index; + }, + scrollTo: function(x, y) { + if (x != null) scroller.scrollLeft = x; + if (y != null) scrollbar.scrollTop = y; + updateDisplay([]); + }, + getScrollInfo: function() { + return {x: scroller.scrollLeft, y: scrollbar.scrollTop, + height: scrollbar.scrollHeight, width: scroller.scrollWidth}; + }, + + operation: function(f){return operation(f)();}, + compoundChange: function(f){return compoundChange(f);}, + refresh: function(){ + updateDisplay(true); + if (scrollbar.scrollHeight > lastScrollTop) + scrollbar.scrollTop = lastScrollTop; + }, + getInputField: function(){return input;}, + getWrapperElement: function(){return wrapper;}, + getScrollerElement: function(){return scroller;}, + getGutterElement: function(){return gutter;} + }; + + function getLine(n) { return getLineAt(doc, n); } + function updateLineHeight(line, height) { + gutterDirty = true; + var diff = height - line.height; + for (var n = line; n; n = n.parent) n.height += diff; + } + + function setValue(code) { + var top = {line: 0, ch: 0}; + updateLines(top, {line: doc.size - 1, ch: getLine(doc.size-1).text.length}, + splitLines(code), top, top); + updateInput = true; + } + function getValue() { + var text = []; + doc.iter(0, doc.size, function(line) { text.push(line.text); }); + return text.join("\n"); + } + + function onScroll(e) { + if (lastScrollTop != scrollbar.scrollTop || lastScrollLeft != scroller.scrollLeft) { + lastScrollTop = scrollbar.scrollTop; + lastScrollLeft = scroller.scrollLeft; + updateDisplay([]); + if (options.fixedGutter) gutter.style.left = scroller.scrollLeft + "px"; + if (options.onScroll) options.onScroll(instance); + } + } + + function onMouseDown(e) { + setShift(e_prop(e, "shiftKey")); + // Check whether this is a click in a widget + for (var n = e_target(e); n != wrapper; n = n.parentNode) + if (n.parentNode == code && n != mover) return; + + // See if this is a click in the gutter + for (var n = e_target(e); n != wrapper; n = n.parentNode) + if (n.parentNode == gutterText) { + if (options.onGutterClick) + options.onGutterClick(instance, indexOf(gutterText.childNodes, n) + showingFrom, e); + return e_preventDefault(e); + } + + var start = posFromMouse(e); + + switch (e_button(e)) { + case 3: + if (gecko && !mac) onContextMenu(e); + return; + case 2: + if (start) setCursor(start.line, start.ch, true); + setTimeout(focusInput, 20); + e_preventDefault(e); + return; + } + // For button 1, if it was clicked inside the editor + // (posFromMouse returning non-null), we have to adjust the + // selection. + if (!start) {if (e_target(e) == scroller) e_preventDefault(e); return;} + + if (!focused) onFocus(); + + var now = +new Date; + if (lastDoubleClick && lastDoubleClick.time > now - 400 && posEq(lastDoubleClick.pos, start)) { + e_preventDefault(e); + setTimeout(focusInput, 20); + return selectLine(start.line); + } else if (lastClick && lastClick.time > now - 400 && posEq(lastClick.pos, start)) { + lastDoubleClick = {time: now, pos: start}; + e_preventDefault(e); + return selectWordAt(start); + } else { lastClick = {time: now, pos: start}; } + + var last = start, going; + if (options.dragDrop && dragAndDrop && !options.readOnly && !posEq(sel.from, sel.to) && + !posLess(start, sel.from) && !posLess(sel.to, start)) { + // Let the drag handler handle this. + if (webkit) scroller.draggable = true; + function dragEnd(e2) { + if (webkit) scroller.draggable = false; + draggingText = false; + up(); drop(); + if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { + e_preventDefault(e2); + setCursor(start.line, start.ch, true); + focusInput(); + } + } + var up = connect(document, "mouseup", operation(dragEnd), true); + var drop = connect(scroller, "drop", operation(dragEnd), true); + draggingText = true; + // IE's approach to draggable + if (scroller.dragDrop) scroller.dragDrop(); + return; + } + e_preventDefault(e); + setCursor(start.line, start.ch, true); + + function extend(e) { + var cur = posFromMouse(e, true); + if (cur && !posEq(cur, last)) { + if (!focused) onFocus(); + last = cur; + setSelectionUser(start, cur); + updateInput = false; + var visible = visibleLines(); + if (cur.line >= visible.to || cur.line < visible.from) + going = setTimeout(operation(function(){extend(e);}), 150); + } + } + + function done(e) { + clearTimeout(going); + var cur = posFromMouse(e); + if (cur) setSelectionUser(start, cur); + e_preventDefault(e); + focusInput(); + updateInput = true; + move(); up(); + } + var move = connect(document, "mousemove", operation(function(e) { + clearTimeout(going); + e_preventDefault(e); + if (!ie && !e_button(e)) done(e); + else extend(e); + }), true); + var up = connect(document, "mouseup", operation(done), true); + } + function onDoubleClick(e) { + for (var n = e_target(e); n != wrapper; n = n.parentNode) + if (n.parentNode == gutterText) return e_preventDefault(e); + var start = posFromMouse(e); + if (!start) return; + lastDoubleClick = {time: +new Date, pos: start}; + e_preventDefault(e); + selectWordAt(start); + } + function onDrop(e) { + if (options.onDragEvent && options.onDragEvent(instance, addStop(e))) return; + e.preventDefault(); + var pos = posFromMouse(e, true), files = e.dataTransfer.files; + if (!pos || options.readOnly) return; + if (files && files.length && window.FileReader && window.File) { + function loadFile(file, i) { + var reader = new FileReader; + reader.onload = function() { + text[i] = reader.result; + if (++read == n) { + pos = clipPos(pos); + operation(function() { + var end = replaceRange(text.join(""), pos, pos); + setSelectionUser(pos, end); + })(); + } + }; + reader.readAsText(file); + } + var n = files.length, text = Array(n), read = 0; + for (var i = 0; i < n; ++i) loadFile(files[i], i); + } else { + // Don't do a replace if the drop happened inside of the selected text. + if (draggingText && !(posLess(pos, sel.from) || posLess(sel.to, pos))) return; + try { + var text = e.dataTransfer.getData("Text"); + if (text) { + compoundChange(function() { + var curFrom = sel.from, curTo = sel.to; + setSelectionUser(pos, pos); + if (draggingText) replaceRange("", curFrom, curTo); + replaceSelection(text); + focusInput(); + }); + } + } + catch(e){} + } + } + function onDragStart(e) { + var txt = getSelection(); + e.dataTransfer.setData("Text", txt); + + // Use dummy image instead of default browsers image. + if (gecko || chrome || opera) { + var img = document.createElement('img'); + img.scr = 'data:image/gif;base64,R0lGODdhAgACAIAAAAAAAP///ywAAAAAAgACAAACAoRRADs='; //1x1 image + e.dataTransfer.setDragImage(img, 0, 0); + } + } + + function doHandleBinding(bound, dropShift) { + if (typeof bound == "string") { + bound = commands[bound]; + if (!bound) return false; + } + var prevShift = shiftSelecting; + try { + if (options.readOnly) suppressEdits = true; + if (dropShift) shiftSelecting = null; + bound(instance); + } catch(e) { + if (e != Pass) throw e; + return false; + } finally { + shiftSelecting = prevShift; + suppressEdits = false; + } + return true; + } + function handleKeyBinding(e) { + // Handle auto keymap transitions + var startMap = getKeyMap(options.keyMap), next = startMap.auto; + clearTimeout(maybeTransition); + if (next && !isModifierKey(e)) maybeTransition = setTimeout(function() { + if (getKeyMap(options.keyMap) == startMap) { + options.keyMap = (next.call ? next.call(null, instance) : next); + } + }, 50); + + var name = keyNames[e_prop(e, "keyCode")], handled = false; + if (name == null || e.altGraphKey) return false; + if (e_prop(e, "altKey")) name = "Alt-" + name; + if (e_prop(e, "ctrlKey")) name = "Ctrl-" + name; + if (e_prop(e, "metaKey")) name = "Cmd-" + name; + + var stopped = false; + function stop() { stopped = true; } + + if (e_prop(e, "shiftKey")) { + handled = lookupKey("Shift-" + name, options.extraKeys, options.keyMap, + function(b) {return doHandleBinding(b, true);}, stop) + || lookupKey(name, options.extraKeys, options.keyMap, function(b) { + if (typeof b == "string" && /^go[A-Z]/.test(b)) return doHandleBinding(b); + }, stop); + } else { + handled = lookupKey(name, options.extraKeys, options.keyMap, doHandleBinding, stop); + } + if (stopped) handled = false; + if (handled) { + e_preventDefault(e); + restartBlink(); + if (ie) { e.oldKeyCode = e.keyCode; e.keyCode = 0; } + } + return handled; + } + function handleCharBinding(e, ch) { + var handled = lookupKey("'" + ch + "'", options.extraKeys, + options.keyMap, function(b) { return doHandleBinding(b, true); }); + if (handled) { + e_preventDefault(e); + restartBlink(); + } + return handled; + } + + var lastStoppedKey = null, maybeTransition; + function onKeyDown(e) { + if (!focused) onFocus(); + if (ie && e.keyCode == 27) { e.returnValue = false; } + if (pollingFast) { if (readInput()) pollingFast = false; } + if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; + var code = e_prop(e, "keyCode"); + // IE does strange things with escape. + setShift(code == 16 || e_prop(e, "shiftKey")); + // First give onKeyEvent option a chance to handle this. + var handled = handleKeyBinding(e); + if (opera) { + lastStoppedKey = handled ? code : null; + // Opera has no cut event... we try to at least catch the key combo + if (!handled && code == 88 && e_prop(e, mac ? "metaKey" : "ctrlKey")) + replaceSelection(""); + } + } + function onKeyPress(e) { + if (pollingFast) readInput(); + if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; + var keyCode = e_prop(e, "keyCode"), charCode = e_prop(e, "charCode"); + if (opera && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;} + if (((opera && (!e.which || e.which < 10)) || khtml) && handleKeyBinding(e)) return; + var ch = String.fromCharCode(charCode == null ? keyCode : charCode); + if (options.electricChars && mode.electricChars && options.smartIndent && !options.readOnly) { + if (mode.electricChars.indexOf(ch) > -1) + setTimeout(operation(function() {indentLine(sel.to.line, "smart");}), 75); + } + if (handleCharBinding(e, ch)) return; + fastPoll(); + } + function onKeyUp(e) { + if (options.onKeyEvent && options.onKeyEvent(instance, addStop(e))) return; + if (e_prop(e, "keyCode") == 16) shiftSelecting = null; + } + + function onFocus() { + if (options.readOnly == "nocursor") return; + if (!focused) { + if (options.onFocus) options.onFocus(instance); + focused = true; + if (scroller.className.search(/\bCodeMirror-focused\b/) == -1) + scroller.className += " CodeMirror-focused"; + if (!leaveInputAlone) resetInput(true); + } + slowPoll(); + restartBlink(); + } + function onBlur() { + if (focused) { + if (options.onBlur) options.onBlur(instance); + focused = false; + if (bracketHighlighted) + operation(function(){ + if (bracketHighlighted) { bracketHighlighted(); bracketHighlighted = null; } + })(); + scroller.className = scroller.className.replace(" CodeMirror-focused", ""); + } + clearInterval(blinker); + setTimeout(function() {if (!focused) shiftSelecting = null;}, 150); + } + + function chopDelta(delta) { + // Make sure we always scroll a little bit for any nonzero delta. + if (delta > 0.0 && delta < 1.0) return 1; + else if (delta > -1.0 && delta < 0.0) return -1; + else return Math.round(delta); + } + + function onMouseWheel(e) { + var deltaX = 0, deltaY = 0; + if (e.type == "DOMMouseScroll") { // Firefox + var delta = -e.detail * 8.0; + if (e.axis == e.HORIZONTAL_AXIS) deltaX = delta; + else if (e.axis == e.VERTICAL_AXIS) deltaY = delta; + } else if (e.wheelDeltaX !== undefined && e.wheelDeltaY !== undefined) { // WebKit + deltaX = e.wheelDeltaX / 3.0; + deltaY = e.wheelDeltaY / 3.0; + } else if (e.wheelDelta !== undefined) { // IE or Opera + deltaY = e.wheelDelta / 3.0; + } + + var scrolled = false; + deltaX = chopDelta(deltaX); + deltaY = chopDelta(deltaY); + if ((deltaX > 0 && scroller.scrollLeft > 0) || + (deltaX < 0 && scroller.scrollLeft + scroller.clientWidth < scroller.scrollWidth)) { + scroller.scrollLeft -= deltaX; + scrolled = true; + } + if ((deltaY > 0 && scrollbar.scrollTop > 0) || + (deltaY < 0 && scrollbar.scrollTop + scrollbar.clientHeight < scrollbar.scrollHeight)) { + scrollbar.scrollTop -= deltaY; + scrolled = true; + } + if (scrolled) e_stop(e); + } + + // Replace the range from from to to by the strings in newText. + // Afterwards, set the selection to selFrom, selTo. + function updateLines(from, to, newText, selFrom, selTo) { + if (suppressEdits) return; + if (history) { + var old = []; + doc.iter(from.line, to.line + 1, function(line) { old.push(line.text); }); + history.addChange(from.line, newText.length, old); + while (history.done.length > options.undoDepth) history.done.shift(); + } + updateLinesNoUndo(from, to, newText, selFrom, selTo); + } + function unredoHelper(from, to) { + if (!from.length) return; + var set = from.pop(), out = []; + for (var i = set.length - 1; i >= 0; i -= 1) { + var change = set[i]; + var replaced = [], end = change.start + change.added; + doc.iter(change.start, end, function(line) { replaced.push(line.text); }); + out.push({start: change.start, added: change.old.length, old: replaced}); + var pos = {line: change.start + change.old.length - 1, + ch: editEnd(replaced[replaced.length-1], change.old[change.old.length-1])}; + updateLinesNoUndo({line: change.start, ch: 0}, {line: end - 1, ch: getLine(end-1).text.length}, change.old, pos, pos); + } + updateInput = true; + to.push(out); + } + function undo() {unredoHelper(history.done, history.undone);} + function redo() {unredoHelper(history.undone, history.done);} + + function updateLinesNoUndo(from, to, newText, selFrom, selTo) { + if (suppressEdits) return; + var recomputeMaxLength = false, maxLineLength = maxLine.length; + if (!options.lineWrapping) + doc.iter(from.line, to.line + 1, function(line) { + if (!line.hidden && line.text.length == maxLineLength) {recomputeMaxLength = true; return true;} + }); + if (from.line != to.line || newText.length > 1) gutterDirty = true; + + var nlines = to.line - from.line, firstLine = getLine(from.line), lastLine = getLine(to.line); + // First adjust the line structure, taking some care to leave highlighting intact. + if (from.ch == 0 && to.ch == 0 && newText[newText.length - 1] == "") { + // This is a whole-line replace. Treated specially to make + // sure line objects move the way they are supposed to. + var added = [], prevLine = null; + if (from.line) { + prevLine = getLine(from.line - 1); + prevLine.fixMarkEnds(lastLine); + } else lastLine.fixMarkStarts(); + for (var i = 0, e = newText.length - 1; i < e; ++i) + added.push(Line.inheritMarks(newText[i], prevLine)); + if (nlines) doc.remove(from.line, nlines, callbacks); + if (added.length) doc.insert(from.line, added); + } else if (firstLine == lastLine) { + if (newText.length == 1) + firstLine.replace(from.ch, to.ch, newText[0]); + else { + lastLine = firstLine.split(to.ch, newText[newText.length-1]); + firstLine.replace(from.ch, null, newText[0]); + firstLine.fixMarkEnds(lastLine); + var added = []; + for (var i = 1, e = newText.length - 1; i < e; ++i) + added.push(Line.inheritMarks(newText[i], firstLine)); + added.push(lastLine); + doc.insert(from.line + 1, added); + } + } else if (newText.length == 1) { + firstLine.replace(from.ch, null, newText[0]); + lastLine.replace(null, to.ch, ""); + firstLine.append(lastLine); + doc.remove(from.line + 1, nlines, callbacks); + } else { + var added = []; + firstLine.replace(from.ch, null, newText[0]); + lastLine.replace(null, to.ch, newText[newText.length-1]); + firstLine.fixMarkEnds(lastLine); + for (var i = 1, e = newText.length - 1; i < e; ++i) + added.push(Line.inheritMarks(newText[i], firstLine)); + if (nlines > 1) doc.remove(from.line + 1, nlines - 1, callbacks); + doc.insert(from.line + 1, added); + } + if (options.lineWrapping) { + var perLine = Math.max(5, scroller.clientWidth / charWidth() - 3); + doc.iter(from.line, from.line + newText.length, function(line) { + if (line.hidden) return; + var guess = Math.ceil(line.text.length / perLine) || 1; + if (guess != line.height) updateLineHeight(line, guess); + }); + } else { + doc.iter(from.line, from.line + newText.length, function(line) { + var l = line.text; + if (!line.hidden && l.length > maxLineLength) { + maxLine = l; maxLineLength = l.length; maxLineChanged = true; + recomputeMaxLength = false; + } + }); + if (recomputeMaxLength) updateMaxLine = true; + } + + // Add these lines to the work array, so that they will be + // highlighted. Adjust work lines if lines were added/removed. + var newWork = [], lendiff = newText.length - nlines - 1; + for (var i = 0, l = work.length; i < l; ++i) { + var task = work[i]; + if (task < from.line) newWork.push(task); + else if (task > to.line) newWork.push(task + lendiff); + } + var hlEnd = from.line + Math.min(newText.length, 500); + highlightLines(from.line, hlEnd); + newWork.push(hlEnd); + work = newWork; + startWorker(100); + // Remember that these lines changed, for updating the display + changes.push({from: from.line, to: to.line + 1, diff: lendiff}); + var changeObj = {from: from, to: to, text: newText}; + if (textChanged) { + for (var cur = textChanged; cur.next; cur = cur.next) {} + cur.next = changeObj; + } else textChanged = changeObj; + + // Update the selection + function updateLine(n) {return n <= Math.min(to.line, to.line + lendiff) ? n : n + lendiff;} + setSelection(clipPos(selFrom), clipPos(selTo), + updateLine(sel.from.line), updateLine(sel.to.line)); + } + + function updateVerticalScroll(scrollTop) { + var th = textHeight(), virtualHeight = Math.floor(doc.height * th + 2 * paddingTop()), scrollbarHeight = scroller.clientHeight; + scrollbar.style.height = scrollbarHeight + "px"; + if (scroller.clientHeight) + scrollbarInner.style.height = virtualHeight + "px"; + // Position the mover div to align with the current virtual scroll position + if (scrollTop != null) scrollbar.scrollTop = scrollTop; + mover.style.top = (displayOffset * th - scrollbar.scrollTop) + "px"; + scrollbar.style.display = (virtualHeight > scrollbarHeight) ? "block" : "none"; + } + + // On Mac OS X Lion and up, detect whether the mouse is plugged in by measuring + // the width of a div with a scrollbar in it. If the width is <= 1, then + // the mouse isn't plugged in and scrollbars should overlap the content. + function overlapScrollbars() { + var tmpSb = document.createElement('div'), + tmpSbInner = document.createElement('div'); + tmpSb.className = "CodeMirror-scrollbar"; + tmpSb.style.cssText = "position: absolute; left: -9999px; height: 100px;"; + tmpSbInner.className = "CodeMirror-scrollbar-inner"; + tmpSbInner.style.height = "200px"; + tmpSb.appendChild(tmpSbInner); + + document.body.appendChild(tmpSb); + var result = (tmpSb.offsetWidth <= 1); + document.body.removeChild(tmpSb); + return result; + } + + function computeMaxLength() { + var maxLineLength = 0; + maxLine = ""; maxLineChanged = true; + doc.iter(0, doc.size, function(line) { + var l = line.text; + if (!line.hidden && l.length > maxLineLength) { + maxLineLength = l.length; maxLine = l; + } + }); + updateMaxLine = false; + } + + function replaceRange(code, from, to) { + from = clipPos(from); + if (!to) to = from; else to = clipPos(to); + code = splitLines(code); + function adjustPos(pos) { + if (posLess(pos, from)) return pos; + if (!posLess(to, pos)) return end; + var line = pos.line + code.length - (to.line - from.line) - 1; + var ch = pos.ch; + if (pos.line == to.line) + ch += code[code.length-1].length - (to.ch - (to.line == from.line ? from.ch : 0)); + return {line: line, ch: ch}; + } + var end; + replaceRange1(code, from, to, function(end1) { + end = end1; + return {from: adjustPos(sel.from), to: adjustPos(sel.to)}; + }); + return end; + } + function replaceSelection(code, collapse) { + replaceRange1(splitLines(code), sel.from, sel.to, function(end) { + if (collapse == "end") return {from: end, to: end}; + else if (collapse == "start") return {from: sel.from, to: sel.from}; + else return {from: sel.from, to: end}; + }); + } + function replaceRange1(code, from, to, computeSel) { + var endch = code.length == 1 ? code[0].length + from.ch : code[code.length-1].length; + var newSel = computeSel({line: from.line + code.length - 1, ch: endch}); + updateLines(from, to, code, newSel.from, newSel.to); + } + + function getRange(from, to) { + var l1 = from.line, l2 = to.line; + if (l1 == l2) return getLine(l1).text.slice(from.ch, to.ch); + var code = [getLine(l1).text.slice(from.ch)]; + doc.iter(l1 + 1, l2, function(line) { code.push(line.text); }); + code.push(getLine(l2).text.slice(0, to.ch)); + return code.join("\n"); + } + function getSelection() { + return getRange(sel.from, sel.to); + } + + var pollingFast = false; // Ensures slowPoll doesn't cancel fastPoll + function slowPoll() { + if (pollingFast) return; + poll.set(options.pollInterval, function() { + startOperation(); + readInput(); + if (focused) slowPoll(); + endOperation(); + }); + } + function fastPoll() { + var missed = false; + pollingFast = true; + function p() { + startOperation(); + var changed = readInput(); + if (!changed && !missed) {missed = true; poll.set(60, p);} + else {pollingFast = false; slowPoll();} + endOperation(); + } + poll.set(20, p); + } + + // Previnput is a hack to work with IME. If we reset the textarea + // on every change, that breaks IME. So we look for changes + // compared to the previous content instead. (Modern browsers have + // events that indicate IME taking place, but these are not widely + // supported or compatible enough yet to rely on.) + var prevInput = ""; + function readInput() { + if (leaveInputAlone || !focused || hasSelection(input) || options.readOnly) return false; + var text = input.value; + if (text == prevInput) return false; + shiftSelecting = null; + var same = 0, l = Math.min(prevInput.length, text.length); + while (same < l && prevInput[same] == text[same]) ++same; + if (same < prevInput.length) + sel.from = {line: sel.from.line, ch: sel.from.ch - (prevInput.length - same)}; + else if (overwrite && posEq(sel.from, sel.to)) + sel.to = {line: sel.to.line, ch: Math.min(getLine(sel.to.line).text.length, sel.to.ch + (text.length - same))}; + replaceSelection(text.slice(same), "end"); + if (text.length > 1000) { input.value = prevInput = ""; } + else prevInput = text; + return true; + } + function resetInput(user) { + if (!posEq(sel.from, sel.to)) { + prevInput = ""; + input.value = getSelection(); + selectInput(input); + } else if (user) prevInput = input.value = ""; + } + + function focusInput() { + if (options.readOnly != "nocursor") input.focus(); + } + + function scrollEditorIntoView() { + if (!cursor.getBoundingClientRect) return; + var rect = cursor.getBoundingClientRect(); + // IE returns bogus coordinates when the instance sits inside of an iframe and the cursor is hidden + if (ie && rect.top == rect.bottom) return; + var winH = window.innerHeight || Math.max(document.body.offsetHeight, document.documentElement.offsetHeight); + if (rect.top < 0 || rect.bottom > winH) scrollCursorIntoView(); + } + function scrollCursorIntoView() { + var coords = calculateCursorCoords(); + return scrollIntoView(coords.x, coords.y, coords.x, coords.yBot); + } + function calculateCursorCoords() { + var cursor = localCoords(sel.inverted ? sel.from : sel.to); + var x = options.lineWrapping ? Math.min(cursor.x, lineSpace.offsetWidth) : cursor.x; + return {x: x, y: cursor.y, yBot: cursor.yBot}; + } + function scrollIntoView(x1, y1, x2, y2) { + var scrollPos = calculateScrollPos(x1, y1, x2, y2), scrolled = false; + if (scrollPos.scrollLeft != null) {scroller.scrollLeft = scrollPos.scrollLeft; scrolled = true;} + if (scrollPos.scrollTop != null) {scrollbar.scrollTop = scrollPos.scrollTop; scrolled = true;} + if (scrolled && options.onScroll) options.onScroll(instance); + } + function calculateScrollPos(x1, y1, x2, y2) { + var pl = paddingLeft(), pt = paddingTop(); + y1 += pt; y2 += pt; x1 += pl; x2 += pl; + var screen = scroller.clientHeight, screentop = scrollbar.scrollTop, result = {}; + var atTop = y1 < paddingTop() + 10; + if (y1 < screentop) result.scrollTop = atTop ? 0 : Math.max(0, y1); + else if (y2 > screentop + screen) result.scrollTop = y2 - screen; + + var screenw = scroller.clientWidth, screenleft = scroller.scrollLeft; + var gutterw = options.fixedGutter ? gutter.clientWidth : 0; + var atLeft = x1 < gutterw + pl + 10; + if (x1 < screenleft + gutterw || atLeft) { + if (atLeft) x1 = 0; + result.scrollLeft = Math.max(0, x1 - 10 - gutterw); + } else if (x2 > screenw + screenleft - 3) { + result.scrollLeft = x2 + 10 - screenw; + } + return result; + } + + function visibleLines(scrollTop) { + var lh = textHeight(), top = (scrollTop != null ? scrollTop : scrollbar.scrollTop) - paddingTop(); + var fromHeight = Math.max(0, Math.floor(top / lh)); + var toHeight = Math.ceil((top + scroller.clientHeight) / lh); + return {from: lineAtHeight(doc, fromHeight), + to: lineAtHeight(doc, toHeight)}; + } + // Uses a set of changes plus the current scroll position to + // determine which DOM updates have to be made, and makes the + // updates. + function updateDisplay(changes, suppressCallback, scrollTop) { + if (!scroller.clientWidth) { + showingFrom = showingTo = displayOffset = 0; + return; + } + // Compute the new visible window + // If scrollTop is specified, use that to determine which lines + // to render instead of the current scrollbar position. + var visible = visibleLines(scrollTop); + // Bail out if the visible area is already rendered and nothing changed. + if (changes !== true && changes.length == 0 && visible.from > showingFrom && visible.to < showingTo) { + updateVerticalScroll(scrollTop); + return; + } + var from = Math.max(visible.from - 100, 0), to = Math.min(doc.size, visible.to + 100); + if (showingFrom < from && from - showingFrom < 20) from = showingFrom; + if (showingTo > to && showingTo - to < 20) to = Math.min(doc.size, showingTo); + + // Create a range of theoretically intact lines, and punch holes + // in that using the change info. + var intact = changes === true ? [] : + computeIntact([{from: showingFrom, to: showingTo, domStart: 0}], changes); + // Clip off the parts that won't be visible + var intactLines = 0; + for (var i = 0; i < intact.length; ++i) { + var range = intact[i]; + if (range.from < from) {range.domStart += (from - range.from); range.from = from;} + if (range.to > to) range.to = to; + if (range.from >= range.to) intact.splice(i--, 1); + else intactLines += range.to - range.from; + } + if (intactLines == to - from && from == showingFrom && to == showingTo) { + updateVerticalScroll(scrollTop); + return; + } + intact.sort(function(a, b) {return a.domStart - b.domStart;}); + + var th = textHeight(), gutterDisplay = gutter.style.display; + lineDiv.style.display = "none"; + patchDisplay(from, to, intact); + lineDiv.style.display = gutter.style.display = ""; + + var different = from != showingFrom || to != showingTo || lastSizeC != scroller.clientHeight + th; + // This is just a bogus formula that detects when the editor is + // resized or the font size changes. + if (different) lastSizeC = scroller.clientHeight + th; + showingFrom = from; showingTo = to; + displayOffset = heightAtLine(doc, from); + + // Since this is all rather error prone, it is honoured with the + // only assertion in the whole file. + if (lineDiv.childNodes.length != showingTo - showingFrom) + throw new Error("BAD PATCH! " + JSON.stringify(intact) + " size=" + (showingTo - showingFrom) + + " nodes=" + lineDiv.childNodes.length); + + function checkHeights() { + var curNode = lineDiv.firstChild, heightChanged = false; + doc.iter(showingFrom, showingTo, function(line) { + if (!line.hidden) { + var height = Math.round(curNode.offsetHeight / th) || 1; + if (line.height != height) { + updateLineHeight(line, height); + gutterDirty = heightChanged = true; + } + } + curNode = curNode.nextSibling; + }); + return heightChanged; + } + + if (options.lineWrapping) { + // Guess whether we're going to need the scrollbar, so that we don't end up changing the linewrapping + // after the scrollbar appears (during updateVerticalScroll()). Only do this if the scrollbar is + // appearing (if it's disappearing, we don't have to worry about the scroll position, and there are + // issues on IE7 if we turn it off too early). + var virtualHeight = Math.floor(doc.height * th + 2 * paddingTop()), scrollbarHeight = scroller.clientHeight; + if (virtualHeight > scrollbarHeight) scrollbar.style.display = "block"; + checkHeights(); + } + + gutter.style.display = gutterDisplay; + if (different || gutterDirty) { + // If the gutter grew in size, re-check heights. If those changed, re-draw gutter. + updateGutter() && options.lineWrapping && checkHeights() && updateGutter(); + } + updateSelection(); + updateVerticalScroll(scrollTop); + if (!suppressCallback && options.onUpdate) options.onUpdate(instance); + return true; + } + + function computeIntact(intact, changes) { + for (var i = 0, l = changes.length || 0; i < l; ++i) { + var change = changes[i], intact2 = [], diff = change.diff || 0; + for (var j = 0, l2 = intact.length; j < l2; ++j) { + var range = intact[j]; + if (change.to <= range.from && change.diff) + intact2.push({from: range.from + diff, to: range.to + diff, + domStart: range.domStart}); + else if (change.to <= range.from || change.from >= range.to) + intact2.push(range); + else { + if (change.from > range.from) + intact2.push({from: range.from, to: change.from, domStart: range.domStart}); + if (change.to < range.to) + intact2.push({from: change.to + diff, to: range.to + diff, + domStart: range.domStart + (change.to - range.from)}); + } + } + intact = intact2; + } + return intact; + } + + function patchDisplay(from, to, intact) { + // The first pass removes the DOM nodes that aren't intact. + if (!intact.length) lineDiv.innerHTML = ""; + else { + function killNode(node) { + var tmp = node.nextSibling; + node.parentNode.removeChild(node); + return tmp; + } + var domPos = 0, curNode = lineDiv.firstChild, n; + for (var i = 0; i < intact.length; ++i) { + var cur = intact[i]; + while (cur.domStart > domPos) {curNode = killNode(curNode); domPos++;} + for (var j = 0, e = cur.to - cur.from; j < e; ++j) {curNode = curNode.nextSibling; domPos++;} + } + while (curNode) curNode = killNode(curNode); + } + // This pass fills in the lines that actually changed. + var nextIntact = intact.shift(), curNode = lineDiv.firstChild, j = from; + var scratch = document.createElement("div"); + doc.iter(from, to, function(line) { + if (nextIntact && nextIntact.to == j) nextIntact = intact.shift(); + if (!nextIntact || nextIntact.from > j) { + if (line.hidden) var html = scratch.innerHTML = "<pre></pre>"; + else { + var html = '<pre' + (line.className ? ' class="' + line.className + '"' : '') + '>' + + line.getHTML(makeTab) + '</pre>'; + // Kludge to make sure the styled element lies behind the selection (by z-index) + if (line.bgClassName) + html = '<div style="position: relative"><pre class="' + line.bgClassName + + '" style="position: absolute; left: 0; right: 0; top: 0; bottom: 0; z-index: -2"> </pre>' + html + "</div>"; + } + scratch.innerHTML = html; + lineDiv.insertBefore(scratch.firstChild, curNode); + } else { + curNode = curNode.nextSibling; + } + ++j; + }); + } + + function updateGutter() { + if (!options.gutter && !options.lineNumbers) return; + var hText = mover.offsetHeight, hEditor = scroller.clientHeight; + gutter.style.height = (hText - hEditor < 2 ? hEditor : hText) + "px"; + var html = [], i = showingFrom, normalNode; + doc.iter(showingFrom, Math.max(showingTo, showingFrom + 1), function(line) { + if (line.hidden) { + html.push("<pre></pre>"); + } else { + var marker = line.gutterMarker; + var text = options.lineNumbers ? i + options.firstLineNumber : null; + if (marker && marker.text) + text = marker.text.replace("%N%", text != null ? text : ""); + else if (text == null) + text = "\u00a0"; + html.push((marker && marker.style ? '<pre class="' + marker.style + '">' : "<pre>"), text); + for (var j = 1; j < line.height; ++j) html.push("<br/> "); + html.push("</pre>"); + if (!marker) normalNode = i; + } + ++i; + }); + gutter.style.display = "none"; + gutterText.innerHTML = html.join(""); + // Make sure scrolling doesn't cause number gutter size to pop + if (normalNode != null && options.lineNumbers) { + var node = gutterText.childNodes[normalNode - showingFrom]; + var minwidth = String(doc.size).length, val = eltText(node.firstChild), pad = ""; + while (val.length + pad.length < minwidth) pad += "\u00a0"; + if (pad) node.insertBefore(document.createTextNode(pad), node.firstChild); + } + gutter.style.display = ""; + var resized = Math.abs((parseInt(lineSpace.style.marginLeft) || 0) - gutter.offsetWidth) > 2; + lineSpace.style.marginLeft = gutter.offsetWidth + "px"; + gutterDirty = false; + return resized; + } + function updateSelection() { + var collapsed = posEq(sel.from, sel.to); + var fromPos = localCoords(sel.from, true); + var toPos = collapsed ? fromPos : localCoords(sel.to, true); + var headPos = sel.inverted ? fromPos : toPos, th = textHeight(); + var wrapOff = eltOffset(wrapper), lineOff = eltOffset(lineDiv); + inputDiv.style.top = Math.max(0, Math.min(scroller.offsetHeight, headPos.y + lineOff.top - wrapOff.top)) + "px"; + inputDiv.style.left = Math.max(0, Math.min(scroller.offsetWidth, headPos.x + lineOff.left - wrapOff.left)) + "px"; + if (collapsed) { + cursor.style.top = headPos.y + "px"; + cursor.style.left = (options.lineWrapping ? Math.min(headPos.x, lineSpace.offsetWidth) : headPos.x) + "px"; + cursor.style.display = ""; + selectionDiv.style.display = "none"; + } else { + var sameLine = fromPos.y == toPos.y, html = ""; + var clientWidth = lineSpace.clientWidth || lineSpace.offsetWidth; + var clientHeight = lineSpace.clientHeight || lineSpace.offsetHeight; + function add(left, top, right, height) { + var rstyle = quirksMode ? "width: " + (!right ? clientWidth : clientWidth - right - left) + "px" + : "right: " + right + "px"; + html += '<div class="CodeMirror-selected" style="position: absolute; left: ' + left + + 'px; top: ' + top + 'px; ' + rstyle + '; height: ' + height + 'px"></div>'; + } + if (sel.from.ch && fromPos.y >= 0) { + var right = sameLine ? clientWidth - toPos.x : 0; + add(fromPos.x, fromPos.y, right, th); + } + var middleStart = Math.max(0, fromPos.y + (sel.from.ch ? th : 0)); + var middleHeight = Math.min(toPos.y, clientHeight) - middleStart; + if (middleHeight > 0.2 * th) + add(0, middleStart, 0, middleHeight); + if ((!sameLine || !sel.from.ch) && toPos.y < clientHeight - .5 * th) + add(0, toPos.y, clientWidth - toPos.x, th); + selectionDiv.innerHTML = html; + cursor.style.display = "none"; + selectionDiv.style.display = ""; + } + } + + function setShift(val) { + if (val) shiftSelecting = shiftSelecting || (sel.inverted ? sel.to : sel.from); + else shiftSelecting = null; + } + function setSelectionUser(from, to) { + var sh = shiftSelecting && clipPos(shiftSelecting); + if (sh) { + if (posLess(sh, from)) from = sh; + else if (posLess(to, sh)) to = sh; + } + setSelection(from, to); + userSelChange = true; + } + // Update the selection. Last two args are only used by + // updateLines, since they have to be expressed in the line + // numbers before the update. + function setSelection(from, to, oldFrom, oldTo) { + goalColumn = null; + if (oldFrom == null) {oldFrom = sel.from.line; oldTo = sel.to.line;} + if (posEq(sel.from, from) && posEq(sel.to, to)) return; + if (posLess(to, from)) {var tmp = to; to = from; from = tmp;} + + // Skip over hidden lines. + if (from.line != oldFrom) { + var from1 = skipHidden(from, oldFrom, sel.from.ch); + // If there is no non-hidden line left, force visibility on current line + if (!from1) setLineHidden(from.line, false); + else from = from1; + } + if (to.line != oldTo) to = skipHidden(to, oldTo, sel.to.ch); + + if (posEq(from, to)) sel.inverted = false; + else if (posEq(from, sel.to)) sel.inverted = false; + else if (posEq(to, sel.from)) sel.inverted = true; + + if (options.autoClearEmptyLines && posEq(sel.from, sel.to)) { + var head = sel.inverted ? from : to; + if (head.line != sel.from.line && sel.from.line < doc.size) { + var oldLine = getLine(sel.from.line); + if (/^\s+$/.test(oldLine.text)) + setTimeout(operation(function() { + if (oldLine.parent && /^\s+$/.test(oldLine.text)) { + var no = lineNo(oldLine); + replaceRange("", {line: no, ch: 0}, {line: no, ch: oldLine.text.length}); + } + }, 10)); + } + } + + sel.from = from; sel.to = to; + selectionChanged = true; + } + function skipHidden(pos, oldLine, oldCh) { + function getNonHidden(dir) { + var lNo = pos.line + dir, end = dir == 1 ? doc.size : -1; + while (lNo != end) { + var line = getLine(lNo); + if (!line.hidden) { + var ch = pos.ch; + if (toEnd || ch > oldCh || ch > line.text.length) ch = line.text.length; + return {line: lNo, ch: ch}; + } + lNo += dir; + } + } + var line = getLine(pos.line); + var toEnd = pos.ch == line.text.length && pos.ch != oldCh; + if (!line.hidden) return pos; + if (pos.line >= oldLine) return getNonHidden(1) || getNonHidden(-1); + else return getNonHidden(-1) || getNonHidden(1); + } + function setCursor(line, ch, user) { + var pos = clipPos({line: line, ch: ch || 0}); + (user ? setSelectionUser : setSelection)(pos, pos); + } + + function clipLine(n) {return Math.max(0, Math.min(n, doc.size-1));} + function clipPos(pos) { + if (pos.line < 0) return {line: 0, ch: 0}; + if (pos.line >= doc.size) return {line: doc.size-1, ch: getLine(doc.size-1).text.length}; + var ch = pos.ch, linelen = getLine(pos.line).text.length; + if (ch == null || ch > linelen) return {line: pos.line, ch: linelen}; + else if (ch < 0) return {line: pos.line, ch: 0}; + else return pos; + } + + function findPosH(dir, unit) { + var end = sel.inverted ? sel.from : sel.to, line = end.line, ch = end.ch; + var lineObj = getLine(line); + function findNextLine() { + for (var l = line + dir, e = dir < 0 ? -1 : doc.size; l != e; l += dir) { + var lo = getLine(l); + if (!lo.hidden) { line = l; lineObj = lo; return true; } + } + } + function moveOnce(boundToLine) { + if (ch == (dir < 0 ? 0 : lineObj.text.length)) { + if (!boundToLine && findNextLine()) ch = dir < 0 ? lineObj.text.length : 0; + else return false; + } else ch += dir; + return true; + } + if (unit == "char") moveOnce(); + else if (unit == "column") moveOnce(true); + else if (unit == "word") { + var sawWord = false; + for (;;) { + if (dir < 0) if (!moveOnce()) break; + if (isWordChar(lineObj.text.charAt(ch))) sawWord = true; + else if (sawWord) {if (dir < 0) {dir = 1; moveOnce();} break;} + if (dir > 0) if (!moveOnce()) break; + } + } + return {line: line, ch: ch}; + } + function moveH(dir, unit) { + var pos = dir < 0 ? sel.from : sel.to; + if (shiftSelecting || posEq(sel.from, sel.to)) pos = findPosH(dir, unit); + setCursor(pos.line, pos.ch, true); + } + function deleteH(dir, unit) { + if (!posEq(sel.from, sel.to)) replaceRange("", sel.from, sel.to); + else if (dir < 0) replaceRange("", findPosH(dir, unit), sel.to); + else replaceRange("", sel.from, findPosH(dir, unit)); + userSelChange = true; + } + var goalColumn = null; + function moveV(dir, unit) { + var dist = 0, pos = localCoords(sel.inverted ? sel.from : sel.to, true); + if (goalColumn != null) pos.x = goalColumn; + if (unit == "page") dist = Math.min(scroller.clientHeight, window.innerHeight || document.documentElement.clientHeight); + else if (unit == "line") dist = textHeight(); + var target = coordsChar(pos.x, pos.y + dist * dir + 2); + if (unit == "page") scrollbar.scrollTop += localCoords(target, true).y - pos.y; + setCursor(target.line, target.ch, true); + goalColumn = pos.x; + } + + function selectWordAt(pos) { + var line = getLine(pos.line).text; + var start = pos.ch, end = pos.ch; + while (start > 0 && isWordChar(line.charAt(start - 1))) --start; + while (end < line.length && isWordChar(line.charAt(end))) ++end; + setSelectionUser({line: pos.line, ch: start}, {line: pos.line, ch: end}); + } + function selectLine(line) { + setSelectionUser({line: line, ch: 0}, clipPos({line: line + 1, ch: 0})); + } + function indentSelected(mode) { + if (posEq(sel.from, sel.to)) return indentLine(sel.from.line, mode); + var e = sel.to.line - (sel.to.ch ? 0 : 1); + for (var i = sel.from.line; i <= e; ++i) indentLine(i, mode); + } + + function indentLine(n, how) { + if (!how) how = "add"; + if (how == "smart") { + if (!mode.indent) how = "prev"; + else var state = getStateBefore(n); + } + + var line = getLine(n), curSpace = line.indentation(options.tabSize), + curSpaceString = line.text.match(/^\s*/)[0], indentation; + if (how == "smart") { + indentation = mode.indent(state, line.text.slice(curSpaceString.length), line.text); + if (indentation == Pass) how = "prev"; + } + if (how == "prev") { + if (n) indentation = getLine(n-1).indentation(options.tabSize); + else indentation = 0; + } + else if (how == "add") indentation = curSpace + options.indentUnit; + else if (how == "subtract") indentation = curSpace - options.indentUnit; + indentation = Math.max(0, indentation); + var diff = indentation - curSpace; + + if (!diff) { + if (sel.from.line != n && sel.to.line != n) return; + var indentString = curSpaceString; + } else { + var indentString = "", pos = 0; + if (options.indentWithTabs) + for (var i = Math.floor(indentation / options.tabSize); i; --i) {pos += options.tabSize; indentString += "\t";} + while (pos < indentation) {++pos; indentString += " ";} + } + + replaceRange(indentString, {line: n, ch: 0}, {line: n, ch: curSpaceString.length}); + } + + function loadMode() { + mode = CodeMirror.getMode(options, options.mode); + doc.iter(0, doc.size, function(line) { line.stateAfter = null; }); + work = [0]; + startWorker(); + } + function gutterChanged() { + var visible = options.gutter || options.lineNumbers; + gutter.style.display = visible ? "" : "none"; + if (visible) gutterDirty = true; + else lineDiv.parentNode.style.marginLeft = 0; + } + function wrappingChanged(from, to) { + if (options.lineWrapping) { + wrapper.className += " CodeMirror-wrap"; + var perLine = scroller.clientWidth / charWidth() - 3; + doc.iter(0, doc.size, function(line) { + if (line.hidden) return; + var guess = Math.ceil(line.text.length / perLine) || 1; + if (guess != 1) updateLineHeight(line, guess); + }); + lineSpace.style.width = code.style.width = ""; + widthForcer.style.left = ""; + } else { + wrapper.className = wrapper.className.replace(" CodeMirror-wrap", ""); + maxLine = ""; maxLineChanged = true; + doc.iter(0, doc.size, function(line) { + if (line.height != 1 && !line.hidden) updateLineHeight(line, 1); + if (line.text.length > maxLine.length) maxLine = line.text; + }); + } + changes.push({from: 0, to: doc.size}); + } + function makeTab(col) { + var w = options.tabSize - col % options.tabSize, cached = tabCache[w]; + if (cached) return cached; + for (var str = '<span class="cm-tab">', i = 0; i < w; ++i) str += " "; + return (tabCache[w] = {html: str + "</span>", width: w}); + } + function themeChanged() { + scroller.className = scroller.className.replace(/\s*cm-s-\S+/g, "") + + options.theme.replace(/(^|\s)\s*/g, " cm-s-"); + } + function keyMapChanged() { + var style = keyMap[options.keyMap].style; + wrapper.className = wrapper.className.replace(/\s*cm-keymap-\S+/g, "") + + (style ? " cm-keymap-" + style : ""); + } + + function TextMarker() { this.set = []; } + TextMarker.prototype.clear = operation(function() { + var min = Infinity, max = -Infinity; + for (var i = 0, e = this.set.length; i < e; ++i) { + var line = this.set[i], mk = line.marked; + if (!mk || !line.parent) continue; + var lineN = lineNo(line); + min = Math.min(min, lineN); max = Math.max(max, lineN); + for (var j = 0; j < mk.length; ++j) + if (mk[j].marker == this) mk.splice(j--, 1); + } + if (min != Infinity) + changes.push({from: min, to: max + 1}); + }); + TextMarker.prototype.find = function() { + var from, to; + for (var i = 0, e = this.set.length; i < e; ++i) { + var line = this.set[i], mk = line.marked; + for (var j = 0; j < mk.length; ++j) { + var mark = mk[j]; + if (mark.marker == this) { + if (mark.from != null || mark.to != null) { + var found = lineNo(line); + if (found != null) { + if (mark.from != null) from = {line: found, ch: mark.from}; + if (mark.to != null) to = {line: found, ch: mark.to}; + } + } + } + } + } + return {from: from, to: to}; + }; + + function markText(from, to, className) { + from = clipPos(from); to = clipPos(to); + var tm = new TextMarker(); + if (!posLess(from, to)) return tm; + function add(line, from, to, className) { + getLine(line).addMark(new MarkedText(from, to, className, tm)); + } + if (from.line == to.line) add(from.line, from.ch, to.ch, className); + else { + add(from.line, from.ch, null, className); + for (var i = from.line + 1, e = to.line; i < e; ++i) + add(i, null, null, className); + add(to.line, null, to.ch, className); + } + changes.push({from: from.line, to: to.line + 1}); + return tm; + } + + function setBookmark(pos) { + pos = clipPos(pos); + var bm = new Bookmark(pos.ch); + getLine(pos.line).addMark(bm); + return bm; + } + + function findMarksAt(pos) { + pos = clipPos(pos); + var markers = [], marked = getLine(pos.line).marked; + if (!marked) return markers; + for (var i = 0, e = marked.length; i < e; ++i) { + var m = marked[i]; + if ((m.from == null || m.from <= pos.ch) && + (m.to == null || m.to >= pos.ch)) + markers.push(m.marker || m); + } + return markers; + } + + function addGutterMarker(line, text, className) { + if (typeof line == "number") line = getLine(clipLine(line)); + line.gutterMarker = {text: text, style: className}; + gutterDirty = true; + return line; + } + function removeGutterMarker(line) { + if (typeof line == "number") line = getLine(clipLine(line)); + line.gutterMarker = null; + gutterDirty = true; + } + + function changeLine(handle, op) { + var no = handle, line = handle; + if (typeof handle == "number") line = getLine(clipLine(handle)); + else no = lineNo(handle); + if (no == null) return null; + if (op(line, no)) changes.push({from: no, to: no + 1}); + else return null; + return line; + } + function setLineClass(handle, className, bgClassName) { + return changeLine(handle, function(line) { + if (line.className != className || line.bgClassName != bgClassName) { + line.className = className; + line.bgClassName = bgClassName; + return true; + } + }); + } + function setLineHidden(handle, hidden) { + return changeLine(handle, function(line, no) { + if (line.hidden != hidden) { + line.hidden = hidden; + if (!options.lineWrapping) { + var l = line.text; + if (hidden && l.length == maxLine.length) { + updateMaxLine = true; + } else if (!hidden && l.length > maxLine.length) { + maxLine = l; maxWidth = null; updateMaxLine = false; + } + } + updateLineHeight(line, hidden ? 0 : 1); + var fline = sel.from.line, tline = sel.to.line; + if (hidden && (fline == no || tline == no)) { + var from = fline == no ? skipHidden({line: fline, ch: 0}, fline, 0) : sel.from; + var to = tline == no ? skipHidden({line: tline, ch: 0}, tline, 0) : sel.to; + // Can't hide the last visible line, we'd have no place to put the cursor + if (!to) return; + setSelection(from, to); + } + return (gutterDirty = true); + } + }); + } + + function lineInfo(line) { + if (typeof line == "number") { + if (!isLine(line)) return null; + var n = line; + line = getLine(line); + if (!line) return null; + } else { + var n = lineNo(line); + if (n == null) return null; + } + var marker = line.gutterMarker; + return {line: n, handle: line, text: line.text, markerText: marker && marker.text, + markerClass: marker && marker.style, lineClass: line.className, bgClass: line.bgClassName}; + } + + function stringWidth(str) { + measure.innerHTML = "<pre><span>x</span></pre>"; + measure.firstChild.firstChild.firstChild.nodeValue = str; + return measure.firstChild.firstChild.offsetWidth || 10; + } + // These are used to go from pixel positions to character + // positions, taking varying character widths into account. + function charFromX(line, x) { + if (x <= 0) return 0; + var lineObj = getLine(line), text = lineObj.text; + function getX(len) { + return measureLine(lineObj, len).left; + } + var from = 0, fromX = 0, to = text.length, toX; + // Guess a suitable upper bound for our search. + var estimated = Math.min(to, Math.ceil(x / charWidth())); + for (;;) { + var estX = getX(estimated); + if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2)); + else {toX = estX; to = estimated; break;} + } + if (x > toX) return to; + // Try to guess a suitable lower bound as well. + estimated = Math.floor(to * 0.8); estX = getX(estimated); + if (estX < x) {from = estimated; fromX = estX;} + // Do a binary search between these bounds. + for (;;) { + if (to - from <= 1) return (toX - x > x - fromX) ? from : to; + var middle = Math.ceil((from + to) / 2), middleX = getX(middle); + if (middleX > x) {to = middle; toX = middleX;} + else {from = middle; fromX = middleX;} + } + } + + var tempId = "CodeMirror-temp-" + Math.floor(Math.random() * 0xffffff).toString(16); + function measureLine(line, ch) { + if (ch == 0) return {top: 0, left: 0}; + var wbr = options.lineWrapping && ch < line.text.length && + spanAffectsWrapping.test(line.text.slice(ch - 1, ch + 1)); + measure.innerHTML = "<pre>" + line.getHTML(makeTab, ch, tempId, wbr) + "</pre>"; + var elt = document.getElementById(tempId); + var top = elt.offsetTop, left = elt.offsetLeft; + // Older IEs report zero offsets for spans directly after a wrap + if (ie && top == 0 && left == 0) { + var backup = document.createElement("span"); + backup.innerHTML = "x"; + elt.parentNode.insertBefore(backup, elt.nextSibling); + top = backup.offsetTop; + } + return {top: top, left: left}; + } + function localCoords(pos, inLineWrap) { + var x, lh = textHeight(), y = lh * (heightAtLine(doc, pos.line) - (inLineWrap ? displayOffset : 0)); + if (pos.ch == 0) x = 0; + else { + var sp = measureLine(getLine(pos.line), pos.ch); + x = sp.left; + if (options.lineWrapping) y += Math.max(0, sp.top); + } + return {x: x, y: y, yBot: y + lh}; + } + // Coords must be lineSpace-local + function coordsChar(x, y) { + if (y < 0) y = 0; + var th = textHeight(), cw = charWidth(), heightPos = displayOffset + Math.floor(y / th); + var lineNo = lineAtHeight(doc, heightPos); + if (lineNo >= doc.size) return {line: doc.size - 1, ch: getLine(doc.size - 1).text.length}; + var lineObj = getLine(lineNo), text = lineObj.text; + var tw = options.lineWrapping, innerOff = tw ? heightPos - heightAtLine(doc, lineNo) : 0; + if (x <= 0 && innerOff == 0) return {line: lineNo, ch: 0}; + function getX(len) { + var sp = measureLine(lineObj, len); + if (tw) { + var off = Math.round(sp.top / th); + return Math.max(0, sp.left + (off - innerOff) * scroller.clientWidth); + } + return sp.left; + } + var from = 0, fromX = 0, to = text.length, toX; + // Guess a suitable upper bound for our search. + var estimated = Math.min(to, Math.ceil((x + innerOff * scroller.clientWidth * .9) / cw)); + for (;;) { + var estX = getX(estimated); + if (estX <= x && estimated < to) estimated = Math.min(to, Math.ceil(estimated * 1.2)); + else {toX = estX; to = estimated; break;} + } + if (x > toX) return {line: lineNo, ch: to}; + // Try to guess a suitable lower bound as well. + estimated = Math.floor(to * 0.8); estX = getX(estimated); + if (estX < x) {from = estimated; fromX = estX;} + // Do a binary search between these bounds. + for (;;) { + if (to - from <= 1) return {line: lineNo, ch: (toX - x > x - fromX) ? from : to}; + var middle = Math.ceil((from + to) / 2), middleX = getX(middle); + if (middleX > x) {to = middle; toX = middleX;} + else {from = middle; fromX = middleX;} + } + } + function pageCoords(pos) { + var local = localCoords(pos, true), off = eltOffset(lineSpace); + return {x: off.left + local.x, y: off.top + local.y, yBot: off.top + local.yBot}; + } + + var cachedHeight, cachedHeightFor, measureText; + function textHeight() { + if (measureText == null) { + measureText = "<pre>"; + for (var i = 0; i < 49; ++i) measureText += "x<br/>"; + measureText += "x</pre>"; + } + var offsetHeight = lineDiv.clientHeight; + if (offsetHeight == cachedHeightFor) return cachedHeight; + cachedHeightFor = offsetHeight; + measure.innerHTML = measureText; + cachedHeight = measure.firstChild.offsetHeight / 50 || 1; + measure.innerHTML = ""; + return cachedHeight; + } + var cachedWidth, cachedWidthFor = 0; + function charWidth() { + if (scroller.clientWidth == cachedWidthFor) return cachedWidth; + cachedWidthFor = scroller.clientWidth; + return (cachedWidth = stringWidth("x")); + } + function paddingTop() {return lineSpace.offsetTop;} + function paddingLeft() {return lineSpace.offsetLeft;} + + function posFromMouse(e, liberal) { + var offW = eltOffset(scroller, true), x, y; + // Fails unpredictably on IE[67] when mouse is dragged around quickly. + try { x = e.clientX; y = e.clientY; } catch (e) { return null; } + // This is a mess of a heuristic to try and determine whether a + // scroll-bar was clicked or not, and to return null if one was + // (and !liberal). + if (!liberal && (x - offW.left > scroller.clientWidth || y - offW.top > scroller.clientHeight)) + return null; + var offL = eltOffset(lineSpace, true); + return coordsChar(x - offL.left, y - offL.top); + } + function onContextMenu(e) { + var pos = posFromMouse(e), scrollPos = scrollbar.scrollTop; + if (!pos || opera) return; // Opera is difficult. + if (posEq(sel.from, sel.to) || posLess(pos, sel.from) || !posLess(pos, sel.to)) + operation(setCursor)(pos.line, pos.ch); + + var oldCSS = input.style.cssText; + inputDiv.style.position = "absolute"; + input.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) + + "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: white; " + + "border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; + leaveInputAlone = true; + var val = input.value = getSelection(); + focusInput(); + selectInput(input); + function rehide() { + var newVal = splitLines(input.value).join("\n"); + if (newVal != val && !options.readOnly) operation(replaceSelection)(newVal, "end"); + inputDiv.style.position = "relative"; + input.style.cssText = oldCSS; + if (ie_lt9) scrollbar.scrollTop = scrollPos; + leaveInputAlone = false; + resetInput(true); + slowPoll(); + } + + if (gecko) { + e_stop(e); + var mouseup = connect(window, "mouseup", function() { + mouseup(); + setTimeout(rehide, 20); + }, true); + } else { + setTimeout(rehide, 50); + } + } + + // Cursor-blinking + function restartBlink() { + clearInterval(blinker); + var on = true; + cursor.style.visibility = ""; + blinker = setInterval(function() { + cursor.style.visibility = (on = !on) ? "" : "hidden"; + }, 650); + } + + var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"}; + function matchBrackets(autoclear) { + var head = sel.inverted ? sel.from : sel.to, line = getLine(head.line), pos = head.ch - 1; + var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)]; + if (!match) return; + var ch = match.charAt(0), forward = match.charAt(1) == ">", d = forward ? 1 : -1, st = line.styles; + for (var off = pos + 1, i = 0, e = st.length; i < e; i+=2) + if ((off -= st[i].length) <= 0) {var style = st[i+1]; break;} + + var stack = [line.text.charAt(pos)], re = /[(){}[\]]/; + function scan(line, from, to) { + if (!line.text) return; + var st = line.styles, pos = forward ? 0 : line.text.length - 1, cur; + for (var i = forward ? 0 : st.length - 2, e = forward ? st.length : -2; i != e; i += 2*d) { + var text = st[i]; + if (st[i+1] != style) {pos += d * text.length; continue;} + for (var j = forward ? 0 : text.length - 1, te = forward ? text.length : -1; j != te; j += d, pos+=d) { + if (pos >= from && pos < to && re.test(cur = text.charAt(j))) { + var match = matching[cur]; + if (match.charAt(1) == ">" == forward) stack.push(cur); + else if (stack.pop() != match.charAt(0)) return {pos: pos, match: false}; + else if (!stack.length) return {pos: pos, match: true}; + } + } + } + } + for (var i = head.line, e = forward ? Math.min(i + 100, doc.size) : Math.max(-1, i - 100); i != e; i+=d) { + var line = getLine(i), first = i == head.line; + var found = scan(line, first && forward ? pos + 1 : 0, first && !forward ? pos : line.text.length); + if (found) break; + } + if (!found) found = {pos: null, match: false}; + var style = found.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket"; + var one = markText({line: head.line, ch: pos}, {line: head.line, ch: pos+1}, style), + two = found.pos != null && markText({line: i, ch: found.pos}, {line: i, ch: found.pos + 1}, style); + var clear = operation(function(){one.clear(); two && two.clear();}); + if (autoclear) setTimeout(clear, 800); + else bracketHighlighted = clear; + } + + // Finds the line to start with when starting a parse. Tries to + // find a line with a stateAfter, so that it can start with a + // valid state. If that fails, it returns the line with the + // smallest indentation, which tends to need the least context to + // parse correctly. + function findStartLine(n) { + var minindent, minline; + for (var search = n, lim = n - 40; search > lim; --search) { + if (search == 0) return 0; + var line = getLine(search-1); + if (line.stateAfter) return search; + var indented = line.indentation(options.tabSize); + if (minline == null || minindent > indented) { + minline = search - 1; + minindent = indented; + } + } + return minline; + } + function getStateBefore(n) { + var start = findStartLine(n), state = start && getLine(start-1).stateAfter; + if (!state) state = startState(mode); + else state = copyState(mode, state); + doc.iter(start, n, function(line) { + line.highlight(mode, state, options.tabSize); + line.stateAfter = copyState(mode, state); + }); + if (start < n) changes.push({from: start, to: n}); + if (n < doc.size && !getLine(n).stateAfter) work.push(n); + return state; + } + function highlightLines(start, end) { + var state = getStateBefore(start); + doc.iter(start, end, function(line) { + line.highlight(mode, state, options.tabSize); + line.stateAfter = copyState(mode, state); + }); + } + function highlightWorker() { + var end = +new Date + options.workTime; + var foundWork = work.length; + while (work.length) { + if (!getLine(showingFrom).stateAfter) var task = showingFrom; + else var task = work.pop(); + if (task >= doc.size) continue; + var start = findStartLine(task), state = start && getLine(start-1).stateAfter; + if (state) state = copyState(mode, state); + else state = startState(mode); + + var unchanged = 0, compare = mode.compareStates, realChange = false, + i = start, bail = false; + doc.iter(i, doc.size, function(line) { + var hadState = line.stateAfter; + if (+new Date > end) { + work.push(i); + startWorker(options.workDelay); + if (realChange) changes.push({from: task, to: i + 1}); + return (bail = true); + } + var changed = line.highlight(mode, state, options.tabSize); + if (changed) realChange = true; + line.stateAfter = copyState(mode, state); + var done = null; + if (compare) { + var same = hadState && compare(hadState, state); + if (same != Pass) done = !!same; + } + if (done == null) { + if (changed !== false || !hadState) unchanged = 0; + else if (++unchanged > 3 && (!mode.indent || mode.indent(hadState, "") == mode.indent(state, ""))) + done = true; + } + if (done) return true; + ++i; + }); + if (bail) return; + if (realChange) changes.push({from: task, to: i + 1}); + } + if (foundWork && options.onHighlightComplete) + options.onHighlightComplete(instance); + } + function startWorker(time) { + if (!work.length) return; + highlight.set(time, operation(highlightWorker)); + } + + // Operations are used to wrap changes in such a way that each + // change won't have to update the cursor and display (which would + // be awkward, slow, and error-prone), but instead updates are + // batched and then all combined and executed at once. + function startOperation() { + updateInput = userSelChange = textChanged = null; + changes = []; selectionChanged = false; callbacks = []; + } + function endOperation() { + if (updateMaxLine) computeMaxLength(); + if (maxLineChanged && !options.lineWrapping) { + widthForcer.style.left = stringWidth(maxLine) + "px"; + maxLineChanged = false; + } + var newScrollPos, updated; + if (selectionChanged) { + var coords = calculateCursorCoords(); + newScrollPos = calculateScrollPos(coords.x, coords.y, coords.x, coords.yBot); + } + if (changes.length) updated = updateDisplay(changes, true, (newScrollPos ? newScrollPos.scrollTop : null)); + else { + if (selectionChanged) updateSelection(); + if (gutterDirty) updateGutter(); + } + if (newScrollPos) scrollCursorIntoView(); + if (selectionChanged) {scrollEditorIntoView(); restartBlink();} + + if (focused && !leaveInputAlone && + (updateInput === true || (updateInput !== false && selectionChanged))) + resetInput(userSelChange); + + if (selectionChanged && options.matchBrackets) + setTimeout(operation(function() { + if (bracketHighlighted) {bracketHighlighted(); bracketHighlighted = null;} + if (posEq(sel.from, sel.to)) matchBrackets(false); + }), 20); + var sc = selectionChanged, cbs = callbacks; // these can be reset by callbacks + if (textChanged && options.onChange && instance) + options.onChange(instance, textChanged); + if (sc && options.onCursorActivity) + options.onCursorActivity(instance); + for (var i = 0; i < cbs.length; ++i) cbs[i](instance); + if (updated && options.onUpdate) options.onUpdate(instance); + } + var nestedOperation = 0; + function operation(f) { + return function() { + if (!nestedOperation++) startOperation(); + try {var result = f.apply(this, arguments);} + finally {if (!--nestedOperation) endOperation();} + return result; + }; + } + + function compoundChange(f) { + history.startCompound(); + try { return f(); } finally { history.endCompound(); } + } + + for (var ext in extensions) + if (extensions.propertyIsEnumerable(ext) && + !instance.propertyIsEnumerable(ext)) + instance[ext] = extensions[ext]; + return instance; + } // (end of function CodeMirror) + + // The default configuration options. + CodeMirror.defaults = { + value: "", + mode: null, + theme: "default", + indentUnit: 2, + indentWithTabs: false, + smartIndent: true, + tabSize: 4, + keyMap: "default", + extraKeys: null, + electricChars: true, + autoClearEmptyLines: false, + onKeyEvent: null, + onDragEvent: null, + lineWrapping: false, + lineNumbers: false, + gutter: false, + fixedGutter: false, + firstLineNumber: 1, + readOnly: false, + dragDrop: true, + onChange: null, + onCursorActivity: null, + onGutterClick: null, + onHighlightComplete: null, + onUpdate: null, + onFocus: null, onBlur: null, onScroll: null, + matchBrackets: false, + workTime: 100, + workDelay: 200, + pollInterval: 100, + undoDepth: 40, + tabindex: null, + autofocus: null + }; + + var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent); + var mac = ios || /Mac/.test(navigator.platform); + var win = /Win/.test(navigator.platform); + + // Known modes, by name and by MIME + var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {}; + CodeMirror.defineMode = function(name, mode) { + if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; + if (arguments.length > 2) { + mode.dependencies = []; + for (var i = 2; i < arguments.length; ++i) mode.dependencies.push(arguments[i]); + } + modes[name] = mode; + }; + CodeMirror.defineMIME = function(mime, spec) { + mimeModes[mime] = spec; + }; + CodeMirror.resolveMode = function(spec) { + if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) + spec = mimeModes[spec]; + else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) + return CodeMirror.resolveMode("application/xml"); + if (typeof spec == "string") return {name: spec}; + else return spec || {name: "null"}; + }; + CodeMirror.getMode = function(options, spec) { + var spec = CodeMirror.resolveMode(spec); + var mfactory = modes[spec.name]; + if (!mfactory) return CodeMirror.getMode(options, "text/plain"); + return mfactory(options, spec); + }; + CodeMirror.listModes = function() { + var list = []; + for (var m in modes) + if (modes.propertyIsEnumerable(m)) list.push(m); + return list; + }; + CodeMirror.listMIMEs = function() { + var list = []; + for (var m in mimeModes) + if (mimeModes.propertyIsEnumerable(m)) list.push({mime: m, mode: mimeModes[m]}); + return list; + }; + + var extensions = CodeMirror.extensions = {}; + CodeMirror.defineExtension = function(name, func) { + extensions[name] = func; + }; + + var commands = CodeMirror.commands = { + selectAll: function(cm) {cm.setSelection({line: 0, ch: 0}, {line: cm.lineCount() - 1});}, + killLine: function(cm) { + var from = cm.getCursor(true), to = cm.getCursor(false), sel = !posEq(from, to); + if (!sel && cm.getLine(from.line).length == from.ch) cm.replaceRange("", from, {line: from.line + 1, ch: 0}); + else cm.replaceRange("", from, sel ? to : {line: from.line}); + }, + deleteLine: function(cm) {var l = cm.getCursor().line; cm.replaceRange("", {line: l, ch: 0}, {line: l});}, + undo: function(cm) {cm.undo();}, + redo: function(cm) {cm.redo();}, + goDocStart: function(cm) {cm.setCursor(0, 0, true);}, + goDocEnd: function(cm) {cm.setSelection({line: cm.lineCount() - 1}, null, true);}, + goLineStart: function(cm) {cm.setCursor(cm.getCursor().line, 0, true);}, + goLineStartSmart: function(cm) { + var cur = cm.getCursor(); + var text = cm.getLine(cur.line), firstNonWS = Math.max(0, text.search(/\S/)); + cm.setCursor(cur.line, cur.ch <= firstNonWS && cur.ch ? 0 : firstNonWS, true); + }, + goLineEnd: function(cm) {cm.setSelection({line: cm.getCursor().line}, null, true);}, + goLineUp: function(cm) {cm.moveV(-1, "line");}, + goLineDown: function(cm) {cm.moveV(1, "line");}, + goPageUp: function(cm) {cm.moveV(-1, "page");}, + goPageDown: function(cm) {cm.moveV(1, "page");}, + goCharLeft: function(cm) {cm.moveH(-1, "char");}, + goCharRight: function(cm) {cm.moveH(1, "char");}, + goColumnLeft: function(cm) {cm.moveH(-1, "column");}, + goColumnRight: function(cm) {cm.moveH(1, "column");}, + goWordLeft: function(cm) {cm.moveH(-1, "word");}, + goWordRight: function(cm) {cm.moveH(1, "word");}, + delCharLeft: function(cm) {cm.deleteH(-1, "char");}, + delCharRight: function(cm) {cm.deleteH(1, "char");}, + delWordLeft: function(cm) {cm.deleteH(-1, "word");}, + delWordRight: function(cm) {cm.deleteH(1, "word");}, + indentAuto: function(cm) {cm.indentSelection("smart");}, + indentMore: function(cm) {cm.indentSelection("add");}, + indentLess: function(cm) {cm.indentSelection("subtract");}, + insertTab: function(cm) {cm.replaceSelection("\t", "end");}, + defaultTab: function(cm) { + if (cm.somethingSelected()) cm.indentSelection("add"); + else cm.replaceSelection("\t", "end"); + }, + transposeChars: function(cm) { + var cur = cm.getCursor(), line = cm.getLine(cur.line); + if (cur.ch > 0 && cur.ch < line.length - 1) + cm.replaceRange(line.charAt(cur.ch) + line.charAt(cur.ch - 1), + {line: cur.line, ch: cur.ch - 1}, {line: cur.line, ch: cur.ch + 1}); + }, + newlineAndIndent: function(cm) { + cm.replaceSelection("\n", "end"); + cm.indentLine(cm.getCursor().line); + }, + toggleOverwrite: function(cm) {cm.toggleOverwrite();} + }; + + var keyMap = CodeMirror.keyMap = {}; + keyMap.basic = { + "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", + "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", + "Delete": "delCharRight", "Backspace": "delCharLeft", "Tab": "defaultTab", "Shift-Tab": "indentAuto", + "Enter": "newlineAndIndent", "Insert": "toggleOverwrite" + }; + // Note that the save and find-related commands aren't defined by + // default. Unknown commands are simply ignored. + keyMap.pcDefault = { + "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", + "Ctrl-Home": "goDocStart", "Alt-Up": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Down": "goDocEnd", + "Ctrl-Left": "goWordLeft", "Ctrl-Right": "goWordRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", + "Ctrl-Backspace": "delWordLeft", "Ctrl-Delete": "delWordRight", "Ctrl-S": "save", "Ctrl-F": "find", + "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", + "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", + fallthrough: "basic" + }; + keyMap.macDefault = { + "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", + "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goWordLeft", + "Alt-Right": "goWordRight", "Cmd-Left": "goLineStart", "Cmd-Right": "goLineEnd", "Alt-Backspace": "delWordLeft", + "Ctrl-Alt-Backspace": "delWordRight", "Alt-Delete": "delWordRight", "Cmd-S": "save", "Cmd-F": "find", + "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", + "Cmd-[": "indentLess", "Cmd-]": "indentMore", + fallthrough: ["basic", "emacsy"] + }; + keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; + keyMap.emacsy = { + "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", + "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", + "Ctrl-V": "goPageUp", "Shift-Ctrl-V": "goPageDown", "Ctrl-D": "delCharRight", "Ctrl-H": "delCharLeft", + "Alt-D": "delWordRight", "Alt-Backspace": "delWordLeft", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars" + }; + + function getKeyMap(val) { + if (typeof val == "string") return keyMap[val]; + else return val; + } + function lookupKey(name, extraMap, map, handle, stop) { + function lookup(map) { + map = getKeyMap(map); + var found = map[name]; + if (found != null && handle(found)) return true; + if (map.nofallthrough) { + if (stop) stop(); + return true; + } + var fallthrough = map.fallthrough; + if (fallthrough == null) return false; + if (Object.prototype.toString.call(fallthrough) != "[object Array]") + return lookup(fallthrough); + for (var i = 0, e = fallthrough.length; i < e; ++i) { + if (lookup(fallthrough[i])) return true; + } + return false; + } + if (extraMap && lookup(extraMap)) return true; + return lookup(map); + } + function isModifierKey(event) { + var name = keyNames[e_prop(event, "keyCode")]; + return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"; + } + + CodeMirror.fromTextArea = function(textarea, options) { + if (!options) options = {}; + options.value = textarea.value; + if (!options.tabindex && textarea.tabindex) + options.tabindex = textarea.tabindex; + if (options.autofocus == null && textarea.getAttribute("autofocus") != null) + options.autofocus = true; + + function save() {textarea.value = instance.getValue();} + if (textarea.form) { + // Deplorable hack to make the submit method do the right thing. + var rmSubmit = connect(textarea.form, "submit", save, true); + if (typeof textarea.form.submit == "function") { + var realSubmit = textarea.form.submit; + function wrappedSubmit() { + save(); + textarea.form.submit = realSubmit; + textarea.form.submit(); + textarea.form.submit = wrappedSubmit; + } + textarea.form.submit = wrappedSubmit; + } + } + + textarea.style.display = "none"; + var instance = CodeMirror(function(node) { + textarea.parentNode.insertBefore(node, textarea.nextSibling); + }, options); + instance.save = save; + instance.getTextArea = function() { return textarea; }; + instance.toTextArea = function() { + save(); + textarea.parentNode.removeChild(instance.getWrapperElement()); + textarea.style.display = ""; + if (textarea.form) { + rmSubmit(); + if (typeof textarea.form.submit == "function") + textarea.form.submit = realSubmit; + } + }; + return instance; + }; + + // Utility functions for working with state. Exported because modes + // sometimes need to do this. + function copyState(mode, state) { + if (state === true) return state; + if (mode.copyState) return mode.copyState(state); + var nstate = {}; + for (var n in state) { + var val = state[n]; + if (val instanceof Array) val = val.concat([]); + nstate[n] = val; + } + return nstate; + } + CodeMirror.copyState = copyState; + function startState(mode, a1, a2) { + return mode.startState ? mode.startState(a1, a2) : true; + } + CodeMirror.startState = startState; + + // The character stream used by a mode's parser. + function StringStream(string, tabSize) { + this.pos = this.start = 0; + this.string = string; + this.tabSize = tabSize || 8; + } + StringStream.prototype = { + eol: function() {return this.pos >= this.string.length;}, + sol: function() {return this.pos == 0;}, + peek: function() {return this.string.charAt(this.pos);}, + next: function() { + if (this.pos < this.string.length) + return this.string.charAt(this.pos++); + }, + eat: function(match) { + var ch = this.string.charAt(this.pos); + if (typeof match == "string") var ok = ch == match; + else var ok = ch && (match.test ? match.test(ch) : match(ch)); + if (ok) {++this.pos; return ch;} + }, + eatWhile: function(match) { + var start = this.pos; + while (this.eat(match)){} + return this.pos > start; + }, + eatSpace: function() { + var start = this.pos; + while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; + return this.pos > start; + }, + skipToEnd: function() {this.pos = this.string.length;}, + skipTo: function(ch) { + var found = this.string.indexOf(ch, this.pos); + if (found > -1) {this.pos = found; return true;} + }, + backUp: function(n) {this.pos -= n;}, + column: function() {return countColumn(this.string, this.start, this.tabSize);}, + indentation: function() {return countColumn(this.string, null, this.tabSize);}, + match: function(pattern, consume, caseInsensitive) { + if (typeof pattern == "string") { + function cased(str) {return caseInsensitive ? str.toLowerCase() : str;} + if (cased(this.string).indexOf(cased(pattern), this.pos) == this.pos) { + if (consume !== false) this.pos += pattern.length; + return true; + } + } else { + var match = this.string.slice(this.pos).match(pattern); + if (match && consume !== false) this.pos += match[0].length; + return match; + } + }, + current: function(){return this.string.slice(this.start, this.pos);} + }; + CodeMirror.StringStream = StringStream; + + function MarkedText(from, to, className, marker) { + this.from = from; this.to = to; this.style = className; this.marker = marker; + } + MarkedText.prototype = { + attach: function(line) { this.marker.set.push(line); }, + detach: function(line) { + var ix = indexOf(this.marker.set, line); + if (ix > -1) this.marker.set.splice(ix, 1); + }, + split: function(pos, lenBefore) { + if (this.to <= pos && this.to != null) return null; + var from = this.from < pos || this.from == null ? null : this.from - pos + lenBefore; + var to = this.to == null ? null : this.to - pos + lenBefore; + return new MarkedText(from, to, this.style, this.marker); + }, + dup: function() { return new MarkedText(null, null, this.style, this.marker); }, + clipTo: function(fromOpen, from, toOpen, to, diff) { + if (fromOpen && to > this.from && (to < this.to || this.to == null)) + this.from = null; + else if (this.from != null && this.from >= from) + this.from = Math.max(to, this.from) + diff; + if (toOpen && (from < this.to || this.to == null) && (from > this.from || this.from == null)) + this.to = null; + else if (this.to != null && this.to > from) + this.to = to < this.to ? this.to + diff : from; + }, + isDead: function() { return this.from != null && this.to != null && this.from >= this.to; }, + sameSet: function(x) { return this.marker == x.marker; } + }; + + function Bookmark(pos) { + this.from = pos; this.to = pos; this.line = null; + } + Bookmark.prototype = { + attach: function(line) { this.line = line; }, + detach: function(line) { if (this.line == line) this.line = null; }, + split: function(pos, lenBefore) { + if (pos < this.from) { + this.from = this.to = (this.from - pos) + lenBefore; + return this; + } + }, + isDead: function() { return this.from > this.to; }, + clipTo: function(fromOpen, from, toOpen, to, diff) { + if ((fromOpen || from < this.from) && (toOpen || to > this.to)) { + this.from = 0; this.to = -1; + } else if (this.from > from) { + this.from = this.to = Math.max(to, this.from) + diff; + } + }, + sameSet: function(x) { return false; }, + find: function() { + if (!this.line || !this.line.parent) return null; + return {line: lineNo(this.line), ch: this.from}; + }, + clear: function() { + if (this.line) { + var found = indexOf(this.line.marked, this); + if (found != -1) this.line.marked.splice(found, 1); + this.line = null; + } + } + }; + + // Line objects. These hold state related to a line, including + // highlighting info (the styles array). + function Line(text, styles) { + this.styles = styles || [text, null]; + this.text = text; + this.height = 1; + this.marked = this.gutterMarker = this.className = this.bgClassName = this.handlers = null; + this.stateAfter = this.parent = this.hidden = null; + } + Line.inheritMarks = function(text, orig) { + var ln = new Line(text), mk = orig && orig.marked; + if (mk) { + for (var i = 0; i < mk.length; ++i) { + if (mk[i].to == null && mk[i].style) { + var newmk = ln.marked || (ln.marked = []), mark = mk[i]; + var nmark = mark.dup(); newmk.push(nmark); nmark.attach(ln); + } + } + } + return ln; + } + Line.prototype = { + // Replace a piece of a line, keeping the styles around it intact. + replace: function(from, to_, text) { + var st = [], mk = this.marked, to = to_ == null ? this.text.length : to_; + copyStyles(0, from, this.styles, st); + if (text) st.push(text, null); + copyStyles(to, this.text.length, this.styles, st); + this.styles = st; + this.text = this.text.slice(0, from) + text + this.text.slice(to); + this.stateAfter = null; + if (mk) { + var diff = text.length - (to - from); + for (var i = 0; i < mk.length; ++i) { + var mark = mk[i]; + mark.clipTo(from == null, from || 0, to_ == null, to, diff); + if (mark.isDead()) {mark.detach(this); mk.splice(i--, 1);} + } + } + }, + // Split a part off a line, keeping styles and markers intact. + split: function(pos, textBefore) { + var st = [textBefore, null], mk = this.marked; + copyStyles(pos, this.text.length, this.styles, st); + var taken = new Line(textBefore + this.text.slice(pos), st); + if (mk) { + for (var i = 0; i < mk.length; ++i) { + var mark = mk[i]; + var newmark = mark.split(pos, textBefore.length); + if (newmark) { + if (!taken.marked) taken.marked = []; + taken.marked.push(newmark); newmark.attach(taken); + if (newmark == mark) mk.splice(i--, 1); + } + } + } + return taken; + }, + append: function(line) { + var mylen = this.text.length, mk = line.marked, mymk = this.marked; + this.text += line.text; + copyStyles(0, line.text.length, line.styles, this.styles); + if (mymk) { + for (var i = 0; i < mymk.length; ++i) + if (mymk[i].to == null) mymk[i].to = mylen; + } + if (mk && mk.length) { + if (!mymk) this.marked = mymk = []; + outer: for (var i = 0; i < mk.length; ++i) { + var mark = mk[i]; + if (!mark.from) { + for (var j = 0; j < mymk.length; ++j) { + var mymark = mymk[j]; + if (mymark.to == mylen && mymark.sameSet(mark)) { + mymark.to = mark.to == null ? null : mark.to + mylen; + if (mymark.isDead()) { + mymark.detach(this); + mk.splice(i--, 1); + } + continue outer; + } + } + } + mymk.push(mark); + mark.attach(this); + mark.from += mylen; + if (mark.to != null) mark.to += mylen; + } + } + }, + fixMarkEnds: function(other) { + var mk = this.marked, omk = other.marked; + if (!mk) return; + for (var i = 0; i < mk.length; ++i) { + var mark = mk[i], close = mark.to == null; + if (close && omk) { + for (var j = 0; j < omk.length; ++j) + if (omk[j].sameSet(mark)) {close = false; break;} + } + if (close) mark.to = this.text.length; + } + }, + fixMarkStarts: function() { + var mk = this.marked; + if (!mk) return; + for (var i = 0; i < mk.length; ++i) + if (mk[i].from == null) mk[i].from = 0; + }, + addMark: function(mark) { + mark.attach(this); + if (this.marked == null) this.marked = []; + this.marked.push(mark); + this.marked.sort(function(a, b){return (a.from || 0) - (b.from || 0);}); + }, + // Run the given mode's parser over a line, update the styles + // array, which contains alternating fragments of text and CSS + // classes. + highlight: function(mode, state, tabSize) { + var stream = new StringStream(this.text, tabSize), st = this.styles, pos = 0; + var changed = false, curWord = st[0], prevWord; + if (this.text == "" && mode.blankLine) mode.blankLine(state); + while (!stream.eol()) { + var style = mode.token(stream, state); + var substr = this.text.slice(stream.start, stream.pos); + stream.start = stream.pos; + if (pos && st[pos-1] == style) + st[pos-2] += substr; + else if (substr) { + if (!changed && (st[pos+1] != style || (pos && st[pos-2] != prevWord))) changed = true; + st[pos++] = substr; st[pos++] = style; + prevWord = curWord; curWord = st[pos]; + } + // Give up when line is ridiculously long + if (stream.pos > 5000) { + st[pos++] = this.text.slice(stream.pos); st[pos++] = null; + break; + } + } + if (st.length != pos) {st.length = pos; changed = true;} + if (pos && st[pos-2] != prevWord) changed = true; + // Short lines with simple highlights return null, and are + // counted as changed by the driver because they are likely to + // highlight the same way in various contexts. + return changed || (st.length < 5 && this.text.length < 10 ? null : false); + }, + // Fetch the parser token for a given character. Useful for hacks + // that want to inspect the mode state (say, for completion). + getTokenAt: function(mode, state, ch) { + var txt = this.text, stream = new StringStream(txt); + while (stream.pos < ch && !stream.eol()) { + stream.start = stream.pos; + var style = mode.token(stream, state); + } + return {start: stream.start, + end: stream.pos, + string: stream.current(), + className: style || null, + state: state}; + }, + indentation: function(tabSize) {return countColumn(this.text, null, tabSize);}, + // Produces an HTML fragment for the line, taking selection, + // marking, and highlighting into account. + getHTML: function(makeTab, wrapAt, wrapId, wrapWBR) { + var html = [], first = true, col = 0; + function span_(text, style) { + if (!text) return; + // Work around a bug where, in some compat modes, IE ignores leading spaces + if (first && ie && text.charAt(0) == " ") text = "\u00a0" + text.slice(1); + first = false; + if (text.indexOf("\t") == -1) { + col += text.length; + var escaped = htmlEscape(text); + } else { + var escaped = ""; + for (var pos = 0;;) { + var idx = text.indexOf("\t", pos); + if (idx == -1) { + escaped += htmlEscape(text.slice(pos)); + col += text.length - pos; + break; + } else { + col += idx - pos; + var tab = makeTab(col); + escaped += htmlEscape(text.slice(pos, idx)) + tab.html; + col += tab.width; + pos = idx + 1; + } + } + } + if (style) html.push('<span class="', style, '">', escaped, "</span>"); + else html.push(escaped); + } + var span = span_; + if (wrapAt != null) { + var outPos = 0, open = "<span id=\"" + wrapId + "\">"; + span = function(text, style) { + var l = text.length; + if (wrapAt >= outPos && wrapAt < outPos + l) { + if (wrapAt > outPos) { + span_(text.slice(0, wrapAt - outPos), style); + // See comment at the definition of spanAffectsWrapping + if (wrapWBR) html.push("<wbr>"); + } + html.push(open); + var cut = wrapAt - outPos; + span_(opera ? text.slice(cut, cut + 1) : text.slice(cut), style); + html.push("</span>"); + if (opera) span_(text.slice(cut + 1), style); + wrapAt--; + outPos += l; + } else { + outPos += l; + span_(text, style); + // Output empty wrapper when at end of line + if (outPos == wrapAt && outPos == len) html.push(open + " </span>"); + // Stop outputting HTML when gone sufficiently far beyond measure + else if (outPos > wrapAt + 10 && /\s/.test(text)) span = function(){}; + } + } + } + + var st = this.styles, allText = this.text, marked = this.marked; + var len = allText.length; + function styleToClass(style) { + if (!style) return null; + return "cm-" + style.replace(/ +/g, " cm-"); + } + + if (!allText && wrapAt == null) { + span(" "); + } else if (!marked || !marked.length) { + for (var i = 0, ch = 0; ch < len; i+=2) { + var str = st[i], style = st[i+1], l = str.length; + if (ch + l > len) str = str.slice(0, len - ch); + ch += l; + span(str, styleToClass(style)); + } + } else { + var pos = 0, i = 0, text = "", style, sg = 0; + var nextChange = marked[0].from || 0, marks = [], markpos = 0; + function advanceMarks() { + var m; + while (markpos < marked.length && + ((m = marked[markpos]).from == pos || m.from == null)) { + if (m.style != null) marks.push(m); + ++markpos; + } + nextChange = markpos < marked.length ? marked[markpos].from : Infinity; + for (var i = 0; i < marks.length; ++i) { + var to = marks[i].to || Infinity; + if (to == pos) marks.splice(i--, 1); + else nextChange = Math.min(to, nextChange); + } + } + var m = 0; + while (pos < len) { + if (nextChange == pos) advanceMarks(); + var upto = Math.min(len, nextChange); + while (true) { + if (text) { + var end = pos + text.length; + var appliedStyle = style; + for (var j = 0; j < marks.length; ++j) + appliedStyle = (appliedStyle ? appliedStyle + " " : "") + marks[j].style; + span(end > upto ? text.slice(0, upto - pos) : text, appliedStyle); + if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} + pos = end; + } + text = st[i++]; style = styleToClass(st[i++]); + } + } + } + return html.join(""); + }, + cleanUp: function() { + this.parent = null; + if (this.marked) + for (var i = 0, e = this.marked.length; i < e; ++i) this.marked[i].detach(this); + } + }; + // Utility used by replace and split above + function copyStyles(from, to, source, dest) { + for (var i = 0, pos = 0, state = 0; pos < to; i+=2) { + var part = source[i], end = pos + part.length; + if (state == 0) { + if (end > from) dest.push(part.slice(from - pos, Math.min(part.length, to - pos)), source[i+1]); + if (end >= from) state = 1; + } else if (state == 1) { + if (end > to) dest.push(part.slice(0, to - pos), source[i+1]); + else dest.push(part, source[i+1]); + } + pos = end; + } + } + + // Data structure that holds the sequence of lines. + function LeafChunk(lines) { + this.lines = lines; + this.parent = null; + for (var i = 0, e = lines.length, height = 0; i < e; ++i) { + lines[i].parent = this; + height += lines[i].height; + } + this.height = height; + } + LeafChunk.prototype = { + chunkSize: function() { return this.lines.length; }, + remove: function(at, n, callbacks) { + for (var i = at, e = at + n; i < e; ++i) { + var line = this.lines[i]; + this.height -= line.height; + line.cleanUp(); + if (line.handlers) + for (var j = 0; j < line.handlers.length; ++j) callbacks.push(line.handlers[j]); + } + this.lines.splice(at, n); + }, + collapse: function(lines) { + lines.splice.apply(lines, [lines.length, 0].concat(this.lines)); + }, + insertHeight: function(at, lines, height) { + this.height += height; + this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); + for (var i = 0, e = lines.length; i < e; ++i) lines[i].parent = this; + }, + iterN: function(at, n, op) { + for (var e = at + n; at < e; ++at) + if (op(this.lines[at])) return true; + } + }; + function BranchChunk(children) { + this.children = children; + var size = 0, height = 0; + for (var i = 0, e = children.length; i < e; ++i) { + var ch = children[i]; + size += ch.chunkSize(); height += ch.height; + ch.parent = this; + } + this.size = size; + this.height = height; + this.parent = null; + } + BranchChunk.prototype = { + chunkSize: function() { return this.size; }, + remove: function(at, n, callbacks) { + this.size -= n; + for (var i = 0; i < this.children.length; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at < sz) { + var rm = Math.min(n, sz - at), oldHeight = child.height; + child.remove(at, rm, callbacks); + this.height -= oldHeight - child.height; + if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } + if ((n -= rm) == 0) break; + at = 0; + } else at -= sz; + } + if (this.size - n < 25) { + var lines = []; + this.collapse(lines); + this.children = [new LeafChunk(lines)]; + this.children[0].parent = this; + } + }, + collapse: function(lines) { + for (var i = 0, e = this.children.length; i < e; ++i) this.children[i].collapse(lines); + }, + insert: function(at, lines) { + var height = 0; + for (var i = 0, e = lines.length; i < e; ++i) height += lines[i].height; + this.insertHeight(at, lines, height); + }, + insertHeight: function(at, lines, height) { + this.size += lines.length; + this.height += height; + for (var i = 0, e = this.children.length; i < e; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at <= sz) { + child.insertHeight(at, lines, height); + if (child.lines && child.lines.length > 50) { + while (child.lines.length > 50) { + var spilled = child.lines.splice(child.lines.length - 25, 25); + var newleaf = new LeafChunk(spilled); + child.height -= newleaf.height; + this.children.splice(i + 1, 0, newleaf); + newleaf.parent = this; + } + this.maybeSpill(); + } + break; + } + at -= sz; + } + }, + maybeSpill: function() { + if (this.children.length <= 10) return; + var me = this; + do { + var spilled = me.children.splice(me.children.length - 5, 5); + var sibling = new BranchChunk(spilled); + if (!me.parent) { // Become the parent node + var copy = new BranchChunk(me.children); + copy.parent = me; + me.children = [copy, sibling]; + me = copy; + } else { + me.size -= sibling.size; + me.height -= sibling.height; + var myIndex = indexOf(me.parent.children, me); + me.parent.children.splice(myIndex + 1, 0, sibling); + } + sibling.parent = me.parent; + } while (me.children.length > 10); + me.parent.maybeSpill(); + }, + iter: function(from, to, op) { this.iterN(from, to - from, op); }, + iterN: function(at, n, op) { + for (var i = 0, e = this.children.length; i < e; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at < sz) { + var used = Math.min(n, sz - at); + if (child.iterN(at, used, op)) return true; + if ((n -= used) == 0) break; + at = 0; + } else at -= sz; + } + } + }; + + function getLineAt(chunk, n) { + while (!chunk.lines) { + for (var i = 0;; ++i) { + var child = chunk.children[i], sz = child.chunkSize(); + if (n < sz) { chunk = child; break; } + n -= sz; + } + } + return chunk.lines[n]; + } + function lineNo(line) { + if (line.parent == null) return null; + var cur = line.parent, no = indexOf(cur.lines, line); + for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { + for (var i = 0, e = chunk.children.length; ; ++i) { + if (chunk.children[i] == cur) break; + no += chunk.children[i].chunkSize(); + } + } + return no; + } + function lineAtHeight(chunk, h) { + var n = 0; + outer: do { + for (var i = 0, e = chunk.children.length; i < e; ++i) { + var child = chunk.children[i], ch = child.height; + if (h < ch) { chunk = child; continue outer; } + h -= ch; + n += child.chunkSize(); + } + return n; + } while (!chunk.lines); + for (var i = 0, e = chunk.lines.length; i < e; ++i) { + var line = chunk.lines[i], lh = line.height; + if (h < lh) break; + h -= lh; + } + return n + i; + } + function heightAtLine(chunk, n) { + var h = 0; + outer: do { + for (var i = 0, e = chunk.children.length; i < e; ++i) { + var child = chunk.children[i], sz = child.chunkSize(); + if (n < sz) { chunk = child; continue outer; } + n -= sz; + h += child.height; + } + return h; + } while (!chunk.lines); + for (var i = 0; i < n; ++i) h += chunk.lines[i].height; + return h; + } + + // The history object 'chunks' changes that are made close together + // and at almost the same time into bigger undoable units. + function History() { + this.time = 0; + this.done = []; this.undone = []; + this.compound = 0; + this.closed = false; + } + History.prototype = { + addChange: function(start, added, old) { + this.undone.length = 0; + var time = +new Date, cur = this.done[this.done.length - 1], last = cur && cur[cur.length - 1]; + var dtime = time - this.time; + + if (this.compound && cur && !this.closed) { + cur.push({start: start, added: added, old: old}); + } else if (dtime > 400 || !last || this.closed || + last.start > start + old.length || last.start + last.added < start) { + this.done.push([{start: start, added: added, old: old}]); + this.closed = false; + } else { + var startBefore = Math.max(0, last.start - start), + endAfter = Math.max(0, (start + old.length) - (last.start + last.added)); + for (var i = startBefore; i > 0; --i) last.old.unshift(old[i - 1]); + for (var i = endAfter; i > 0; --i) last.old.push(old[old.length - i]); + if (startBefore) last.start = start; + last.added += added - (old.length - startBefore - endAfter); + } + this.time = time; + }, + startCompound: function() { + if (!this.compound++) this.closed = true; + }, + endCompound: function() { + if (!--this.compound) this.closed = true; + } + }; + + function stopMethod() {e_stop(this);} + // Ensure an event has a stop method. + function addStop(event) { + if (!event.stop) event.stop = stopMethod; + return event; + } + + function e_preventDefault(e) { + if (e.preventDefault) e.preventDefault(); + else e.returnValue = false; + } + function e_stopPropagation(e) { + if (e.stopPropagation) e.stopPropagation(); + else e.cancelBubble = true; + } + function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);} + CodeMirror.e_stop = e_stop; + CodeMirror.e_preventDefault = e_preventDefault; + CodeMirror.e_stopPropagation = e_stopPropagation; + + function e_target(e) {return e.target || e.srcElement;} + function e_button(e) { + if (e.which) return e.which; + else if (e.button & 1) return 1; + else if (e.button & 2) return 3; + else if (e.button & 4) return 2; + } + + // Allow 3rd-party code to override event properties by adding an override + // object to an event object. + function e_prop(e, prop) { + var overridden = e.override && e.override.hasOwnProperty(prop); + return overridden ? e.override[prop] : e[prop]; + } + + // Event handler registration. If disconnect is true, it'll return a + // function that unregisters the handler. + function connect(node, type, handler, disconnect) { + if (typeof node.addEventListener == "function") { + node.addEventListener(type, handler, false); + if (disconnect) return function() {node.removeEventListener(type, handler, false);}; + } else { + var wrapHandler = function(event) {handler(event || window.event);}; + node.attachEvent("on" + type, wrapHandler); + if (disconnect) return function() {node.detachEvent("on" + type, wrapHandler);}; + } + } + CodeMirror.connect = connect; + + function Delayed() {this.id = null;} + Delayed.prototype = {set: function(ms, f) {clearTimeout(this.id); this.id = setTimeout(f, ms);}}; + + var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}}; + + var gecko = /gecko\/\d{7}/i.test(navigator.userAgent); + var ie = /MSIE \d/.test(navigator.userAgent); + var ie_lt8 = /MSIE [1-7]\b/.test(navigator.userAgent); + var ie_lt9 = /MSIE [1-8]\b/.test(navigator.userAgent); + var quirksMode = ie && document.documentMode == 5; + var webkit = /WebKit\//.test(navigator.userAgent); + var chrome = /Chrome\//.test(navigator.userAgent); + var opera = /Opera\//.test(navigator.userAgent); + var safari = /Apple Computer/.test(navigator.vendor); + var khtml = /KHTML\//.test(navigator.userAgent); + var mac_geLion = /Mac OS X 10\D([7-9]|\d\d)\D/.test(navigator.userAgent); + + // Detect drag-and-drop + var dragAndDrop = function() { + // There is *some* kind of drag-and-drop support in IE6-8, but I + // couldn't get it to work yet. + if (ie_lt9) return false; + var div = document.createElement('div'); + return "draggable" in div || "dragDrop" in div; + }(); + + // Feature-detect whether newlines in textareas are converted to \r\n + var lineSep = function () { + var te = document.createElement("textarea"); + te.value = "foo\nbar"; + if (te.value.indexOf("\r") > -1) return "\r\n"; + return "\n"; + }(); + + // For a reason I have yet to figure out, some browsers disallow + // word wrapping between certain characters *only* if a new inline + // element is started between them. This makes it hard to reliably + // measure the position of things, since that requires inserting an + // extra span. This terribly fragile set of regexps matches the + // character combinations that suffer from this phenomenon on the + // various browsers. + var spanAffectsWrapping = /^$/; // Won't match any two-character string + if (gecko) spanAffectsWrapping = /$'/; + else if (safari) spanAffectsWrapping = /\-[^ \-?]|\?[^ !'\"\),.\-\/:;\?\]\}]/; + else if (chrome) spanAffectsWrapping = /\-[^ \-\.?]|\?[^ \-\.?\]\}:;!'\"\),\/]|[\.!\"#&%\)*+,:;=>\]|\}~][\(\{\[<]|\$'/; + + // Counts the column offset in a string, taking tabs into account. + // Used mostly to find indentation. + function countColumn(string, end, tabSize) { + if (end == null) { + end = string.search(/[^\s\u00a0]/); + if (end == -1) end = string.length; + } + for (var i = 0, n = 0; i < end; ++i) { + if (string.charAt(i) == "\t") n += tabSize - (n % tabSize); + else ++n; + } + return n; + } + + function computedStyle(elt) { + if (elt.currentStyle) return elt.currentStyle; + return window.getComputedStyle(elt, null); + } + + // Find the position of an element by following the offsetParent chain. + // If screen==true, it returns screen (rather than page) coordinates. + function eltOffset(node, screen) { + var bod = node.ownerDocument.body; + var x = 0, y = 0, skipBody = false; + for (var n = node; n; n = n.offsetParent) { + var ol = n.offsetLeft, ot = n.offsetTop; + // Firefox reports weird inverted offsets when the body has a border. + if (n == bod) { x += Math.abs(ol); y += Math.abs(ot); } + else { x += ol, y += ot; } + if (screen && computedStyle(n).position == "fixed") + skipBody = true; + } + var e = screen && !skipBody ? null : bod; + for (var n = node.parentNode; n != e; n = n.parentNode) + if (n.scrollLeft != null) { x -= n.scrollLeft; y -= n.scrollTop;} + return {left: x, top: y}; + } + // Use the faster and saner getBoundingClientRect method when possible. + if (document.documentElement.getBoundingClientRect != null) eltOffset = function(node, screen) { + // Take the parts of bounding client rect that we are interested in so we are able to edit if need be, + // since the returned value cannot be changed externally (they are kept in sync as the element moves within the page) + try { var box = node.getBoundingClientRect(); box = { top: box.top, left: box.left }; } + catch(e) { box = {top: 0, left: 0}; } + if (!screen) { + // Get the toplevel scroll, working around browser differences. + if (window.pageYOffset == null) { + var t = document.documentElement || document.body.parentNode; + if (t.scrollTop == null) t = document.body; + box.top += t.scrollTop; box.left += t.scrollLeft; + } else { + box.top += window.pageYOffset; box.left += window.pageXOffset; + } + } + return box; + }; + + // Get a node's text content. + function eltText(node) { + return node.textContent || node.innerText || node.nodeValue || ""; + } + function selectInput(node) { + if (ios) { // Mobile Safari apparently has a bug where select() is broken. + node.selectionStart = 0; + node.selectionEnd = node.value.length; + } else node.select(); + } + + // Operations on {line, ch} objects. + function posEq(a, b) {return a.line == b.line && a.ch == b.ch;} + function posLess(a, b) {return a.line < b.line || (a.line == b.line && a.ch < b.ch);} + function copyPos(x) {return {line: x.line, ch: x.ch};} + + var escapeElement = document.createElement("pre"); + function htmlEscape(str) { + escapeElement.textContent = str; + return escapeElement.innerHTML; + } + // Recent (late 2011) Opera betas insert bogus newlines at the start + // of the textContent, so we strip those. + if (htmlEscape("a") == "\na") { + htmlEscape = function(str) { + escapeElement.textContent = str; + return escapeElement.innerHTML.slice(1); + }; + // Some IEs don't preserve tabs through innerHTML + } else if (htmlEscape("\t") != "\t") { + htmlEscape = function(str) { + escapeElement.innerHTML = ""; + escapeElement.appendChild(document.createTextNode(str)); + return escapeElement.innerHTML; + }; + } + CodeMirror.htmlEscape = htmlEscape; + + // Used to position the cursor after an undo/redo by finding the + // last edited character. + function editEnd(from, to) { + if (!to) return 0; + if (!from) return to.length; + for (var i = from.length, j = to.length; i >= 0 && j >= 0; --i, --j) + if (from.charAt(i) != to.charAt(j)) break; + return j + 1; + } + + function indexOf(collection, elt) { + if (collection.indexOf) return collection.indexOf(elt); + for (var i = 0, e = collection.length; i < e; ++i) + if (collection[i] == elt) return i; + return -1; + } + function isWordChar(ch) { + return /\w/.test(ch) || ch.toUpperCase() != ch.toLowerCase(); + } + + // See if "".split is the broken IE version, if so, provide an + // alternative way to split lines. + var splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { + var pos = 0, nl, result = []; + while ((nl = string.indexOf("\n", pos)) > -1) { + result.push(string.slice(pos, string.charAt(nl-1) == "\r" ? nl - 1 : nl)); + pos = nl + 1; + } + result.push(string.slice(pos)); + return result; + } : function(string){return string.split(/\r?\n/);}; + CodeMirror.splitLines = splitLines; + + var hasSelection = window.getSelection ? function(te) { + try { return te.selectionStart != te.selectionEnd; } + catch(e) { return false; } + } : function(te) { + try {var range = te.ownerDocument.selection.createRange();} + catch(e) {} + if (!range || range.parentElement() != te) return false; + return range.compareEndPoints("StartToEnd", range) != 0; + }; + + CodeMirror.defineMode("null", function() { + return {token: function(stream) {stream.skipToEnd();}}; + }); + CodeMirror.defineMIME("text/plain", "null"); + + var keyNames = {3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", + 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", + 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", + 46: "Delete", 59: ";", 91: "Mod", 92: "Mod", 93: "Mod", 109: "-", 107: "=", 127: "Delete", + 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", + 221: "]", 222: "'", 63276: "PageUp", 63277: "PageDown", 63275: "End", 63273: "Home", + 63234: "Left", 63232: "Up", 63235: "Right", 63233: "Down", 63302: "Insert", 63272: "Delete"}; + CodeMirror.keyNames = keyNames; + (function() { + // Number keys + for (var i = 0; i < 10; i++) keyNames[i + 48] = String(i); + // Alphabetic keys + for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i); + // Function keys + for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i; + })(); + + return CodeMirror; +})(); |