89 lines
3.0 KiB
Plaintext
89 lines
3.0 KiB
Plaintext
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<attach event="ondocumentready" handler="parseStylesheets" />
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<script language="JScript">
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/**
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* PSUEDOS - V1.21.041022 - hover & active
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* ---------------------------------------------
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* Peterned - http://www.xs4all.nl/~peterned/
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* (c) 2004 - Peter Nederlof
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*
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* Credits - Arnoud Berendsen
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* - Martin Reurings
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* for inspiring me and finding really sick bugs
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*
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* howto: body { behavior:url("csshover.htc"); }
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* ---------------------------------------------
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*/
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var currentSheet, doc = window.document;
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var activators = {
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onhover:{on:'onmouseover', off:'onmouseout'},
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onactive:{on:'onmousedown', off:'onmouseup'}
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}
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function parseStylesheets() {
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var sheets = doc.styleSheets, l = sheets.length;
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for(var i=0; i<l; i++)
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parseStylesheet(sheets[i]);
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}
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function parseStylesheet(sheet) {
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var l, rules, imports;
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if(sheet.imports) {
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imports = sheet.imports, l = imports.length;
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for(var i=0; i<l; i++)
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parseStylesheet(sheet.imports[i]);
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}
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rules = (currentSheet = sheet).rules, l = rules.length;
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for(var j=0; j<l; j++) parseCSSRule(rules[j]);
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}
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function parseCSSRule(rule) {
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var select = rule.selectorText, style = rule.style.cssText;
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if(!(/(^|\s)(([^a]([^ ]+)?)|(a([^#.][^ ]+)+)):(hover|active)/i).test(select) || !style) return;
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var pseudo = select.replace(/[^:]+:([a-z-]+).*/i, 'on$1');
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var newSelect = select.replace(/(\.([a-z0-9_-]+):[a-z]+)|(:[a-z]+)/gi, '.$2' + pseudo);
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var className = (/\.([a-z0-9_-]*on(hover|active))/i).exec(newSelect)[1];
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var affected = select.replace(/:hover.*$/, '');
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var elements = getElementsBySelect(affected);
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currentSheet.addRule(newSelect, style);
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for(var i=0; i<elements.length; i++)
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new HoverElement(elements[i], className, activators[pseudo]);
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}
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function HoverElement(node, className, events) {
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if(!node.hovers) node.hovers = {};
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if(node.hovers[className]) return;
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node.hovers[className] = true;
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node.attachEvent(events.on,
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function() { node.className += ' ' + className; });
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node.attachEvent(events.off,
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function() { node.className =
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node.className.replace(new RegExp('\\s+'+className, 'g'),''); });
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}
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function getElementsBySelect(rule) {
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var parts, nodes = [doc];
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parts = rule.split(' ');
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for(var i=0; i<parts.length; i++) {
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nodes = getSelectedNodes(parts[i], nodes);
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} return nodes;
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}
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function getSelectedNodes(select, elements) {
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var result, node, nodes = [];
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var classname = (/\.([a-z0-9_-]+)/i).exec(select);
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var identify = (/\#([a-z0-9_-]+)/i).exec(select);
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var tagName = (/^[a-z0-9]+/i).exec(select.toUpperCase()) || '*';
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for(var i=0; i<elements.length; i++) {
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result = elements[i].getElementsByTagName(tagName);
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for(var j=0; j<result.length; j++) {
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node = result[j];
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if((identify && node.id != identify[1]) || (classname && !(new RegExp('\\b' +
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classname[1] + '\\b').exec(node.className)))) continue;
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nodes[nodes.length] = node;
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}
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} return nodes;
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}
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</script>
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