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-rw-r--r--codemirror_ui/lib/CodeMirror-2.3/lib/util/match-highlighter.js44
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
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+++ b/codemirror_ui/lib/CodeMirror-2.3/lib/util/match-highlighter.js
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+// 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);
+ });
+})();