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73 lines
2.3 KiB
73 lines
2.3 KiB
/*
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highlight v3
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Highlights arbitrary terms.
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<http://johannburkard.de/blog/programming/javascript/highlight-javascript-text-higlighting-jquery-plugin.html>
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MIT license.
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Johann Burkard <http://johannburkard.de> <mailto:jb@eaio.com>
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Julio Montoya <gugli100@gmail.com> fixes for the Glossary tool to strict search
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*/
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jQuery.fn.highlight = function(pat,real_code) {
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function innerHighlight(node, pat) {
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var skip = 0;
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if (node.nodeType == 3 ) {
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// Highlight all coincidences
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//var pos = node.data.toUpperCase().indexOf(pat);
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//Highlight strict, exact words
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var SearchRegExp = new RegExp("(\\b|\\B)"+pat+"(\\b|\\B)","gi");
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var pos = node.nodeValue.search(SearchRegExp);
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if (pos >= 0 ) {
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var spannode = document.createElement('a');
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spannode.className = 'glossary-ajax';
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spannode.style.color = '#084B8A';
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spannode.style.fontWeight='100';
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spannode.style.textDecoration = 'none';
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spannode.name = 'link'+real_code;
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spannode.href = '#';
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var SearchRegExp = new RegExp("(" + pat +")","gi");
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var MatchRegExp = node.nodeValue.match(SearchRegExp);
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if (MatchRegExp == null) {
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MatchRegExp = new Array();
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}
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if (MatchRegExp.length > 0 && node.nodeValue[pat.length+1] != '') {
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var middlebit = node.splitText(pos);
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var endbit = middlebit.splitText(pat.length);
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if (endbit.nodeValue[0] == null || endbit.nodeValue[0] == ' ' || endbit.nodeValue[0] == '.' || endbit.nodeValue[0] == ',' || endbit.nodeValue[0] == ';' || endbit.nodeValue[0] == '"') {
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var middleclone = middlebit.cloneNode(true);
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spannode.appendChild(middleclone);
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middlebit.parentNode.replaceChild(spannode, middlebit);
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}
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}
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skip = 1;
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}
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} else if (node.nodeType == 1 && node.childNodes && !/(script|style)/i.test(node.tagName)) {
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for (var i = 0; i <node.childNodes.length ; ++i) {
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i += innerHighlight(node.childNodes[i], pat);
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}
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}
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return skip;
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}
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return this.each(function() {
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innerHighlight(this, pat.toUpperCase());
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});
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};
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jQuery.fn.removeHighlight = function() {
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return this.find("a.highlight").each(function() {
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this.parentNode.firstChild.nodeName;
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with (this.parentNode) {
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replaceChild(this.firstChild, this);
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normalize();
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}
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}).end();
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}; |