diff options
author | Hugues Hiegel <root@paranoid> | 2015-03-11 16:55:04 +0100 |
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committer | Hugues Hiegel <root@paranoid> | 2015-03-11 16:55:04 +0100 |
commit | 99f904adcc37d93c90defcd8ce898598e25be212 (patch) | |
tree | 60a6c7b7b9cf012d6c0e8dcf5c7f4fe0a5b6fc49 /codemirror_ui/lib/CodeMirror-2.3/lib/util/match-highlighter.js | |
parent | b2034fdfec040a67988e543a911208ef2491ce7a (diff) |
Diffstat (limited to 'codemirror_ui/lib/CodeMirror-2.3/lib/util/match-highlighter.js')
-rw-r--r-- | codemirror_ui/lib/CodeMirror-2.3/lib/util/match-highlighter.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/codemirror_ui/lib/CodeMirror-2.3/lib/util/match-highlighter.js b/codemirror_ui/lib/CodeMirror-2.3/lib/util/match-highlighter.js new file mode 100644 index 0000000..59098ff --- /dev/null +++ b/codemirror_ui/lib/CodeMirror-2.3/lib/util/match-highlighter.js @@ -0,0 +1,44 @@ +// Define match-highlighter commands. Depends on searchcursor.js +// Use by attaching the following function call to the onCursorActivity event: + //myCodeMirror.matchHighlight(minChars); +// And including a special span.CodeMirror-matchhighlight css class (also optionally a separate one for .CodeMirror-focused -- see demo matchhighlighter.html) + +(function() { + var DEFAULT_MIN_CHARS = 2; + + function MatchHighlightState() { + this.marked = []; + } + function getMatchHighlightState(cm) { + return cm._matchHighlightState || (cm._matchHighlightState = new MatchHighlightState()); + } + + function clearMarks(cm) { + var state = getMatchHighlightState(cm); + for (var i = 0; i < state.marked.length; ++i) + state.marked[i].clear(); + state.marked = []; + } + + function markDocument(cm, className, minChars) { + clearMarks(cm); + minChars = (typeof minChars !== 'undefined' ? minChars : DEFAULT_MIN_CHARS); + if (cm.somethingSelected() && cm.getSelection().replace(/^\s+|\s+$/g, "").length >= minChars) { + var state = getMatchHighlightState(cm); + var query = cm.getSelection(); + cm.operation(function() { + if (cm.lineCount() < 2000) { // This is too expensive on big documents. + for (var cursor = cm.getSearchCursor(query); cursor.findNext();) { + //Only apply matchhighlight to the matches other than the one actually selected + if (!(cursor.from().line === cm.getCursor(true).line && cursor.from().ch === cm.getCursor(true).ch)) + state.marked.push(cm.markText(cursor.from(), cursor.to(), className)); + } + } + }); + } + } + + CodeMirror.defineExtension("matchHighlight", function(className, minChars) { + markDocument(this, className, minChars); + }); +})(); |