mirror of
https://github.com/fofolee/uTools-Manuals.git
synced 2025-06-07 22:14:04 +08:00
71 lines
2.1 KiB
JavaScript
71 lines
2.1 KiB
JavaScript
/*
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highlight v3 !! Modified by Jon Raasch (http://jonraasch.com) to fix IE6 bug !!
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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
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<http://johannburkard.de>
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<mailto:jb@eaio.com>
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*/
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jQuery.fn.highlight = function(pat, hlclass) {
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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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var pos = node.data.toUpperCase().indexOf(pat);
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if (pos >= 0) {
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var spannode = document.createElement('span');
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spannode.className = hlclass;
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var middlebit = node.splitText(pos);
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var endbit = middlebit.splitText(pat.length);
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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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skip = 1;
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}
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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(hlclass) {
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function newNormalize(node) {
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for (var i = 0, children = node.childNodes, nodeCount = children.length; i < nodeCount; i++) {
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var child = children[i];
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if (child.nodeType == 1) {
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newNormalize(child);
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continue;
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}
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if (child.nodeType != 3) { continue; }
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var next = child.nextSibling;
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if (next == null || next.nodeType != 3) { continue; }
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var combined_text = child.nodeValue + next.nodeValue;
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new_node = node.ownerDocument.createTextNode(combined_text);
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node.insertBefore(new_node, child);
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node.removeChild(child);
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node.removeChild(next);
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i--;
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nodeCount--;
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}
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}
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return this.find("span." + hlclass).each(function() {
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var thisParent = this.parentNode;
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thisParent.replaceChild(this.firstChild, this);
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newNormalize(thisParent);
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}).end();
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}; |