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Diffstat (limited to 'template-common/csshover.htc')
| -rw-r--r-- | template-common/csshover.htc | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/template-common/csshover.htc b/template-common/csshover.htc new file mode 100644 index 000000000..3ba936ac3 --- /dev/null +++ b/template-common/csshover.htc @@ -0,0 +1,120 @@ +<attach event="ondocumentready" handler="parseStylesheets" />
+<script>
+/**
+ * Whatever:hover - V1.42.060206 - hover & active
+ * ------------------------------------------------------------
+ * (c) 2005 - Peter Nederlof
+ * Peterned - http://www.xs4all.nl/~peterned/
+ * License - http://creativecommons.org/licenses/LGPL/2.1/
+ *
+ * Whatever:hover is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Whatever:hover is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * Credits and thanks to:
+ * Arnoud Berendsen, Martin Reurings, Robert Hanson
+ *
+ * howto: body { behavior:url("csshover.htc"); }
+ * ------------------------------------------------------------
+ */
+
+var csshoverReg = /(^|\s)(([^a]([^ ]+)?)|(a([^#.][^ ]+)+)):(hover|active)/i,
+currentSheet, doc = window.document, hoverEvents = [], activators = {
+ onhover:{on:'onmouseover', off:'onmouseout'},
+ onactive:{on:'onmousedown', off:'onmouseup'}
+}
+
+function parseStylesheets() {
+ if(!/MSIE (5|6)/.test(navigator.userAgent)) return;
+ window.attachEvent('onunload', unhookHoverEvents);
+ var sheets = doc.styleSheets, l = sheets.length;
+ for(var i=0; i<l; i++)
+ parseStylesheet(sheets[i]);
+}
+ function parseStylesheet(sheet) {
+ if(sheet.imports) {
+ try {
+ var imports = sheet.imports, l = imports.length;
+ for(var i=0; i<l; i++) parseStylesheet(sheet.imports[i]);
+ } catch(securityException){}
+ }
+
+ try {
+ var rules = (currentSheet = sheet).rules, l = rules.length;
+ for(var j=0; j<l; j++) parseCSSRule(rules[j]);
+ } catch(securityException){}
+ }
+
+ function parseCSSRule(rule) {
+ var select = rule.selectorText, style = rule.style.cssText;
+ if(!csshoverReg.test(select) || !style) return;
+
+ var pseudo = select.replace(/[^:]+:([a-z-]+).*/i, 'on$1');
+ var newSelect = select.replace(/(\.([a-z0-9_-]+):[a-z]+)|(:[a-z]+)/gi, '.$2' + pseudo);
+ var className = (/\.([a-z0-9_-]*on(hover|active))/i).exec(newSelect)[1];
+ var affected = select.replace(/:(hover|active).*$/, '');
+ var elements = getElementsBySelect(affected);
+ if(elements.length == 0) return;
+
+ currentSheet.addRule(newSelect, style);
+ for(var i=0; i<elements.length; i++)
+ new HoverElement(elements[i], className, activators[pseudo]);
+ }
+
+function HoverElement(node, className, events) {
+ if(!node.hovers) node.hovers = {};
+ if(node.hovers[className]) return;
+ node.hovers[className] = true;
+ hookHoverEvent(node, events.on, function() { node.className += ' ' + className; });
+ hookHoverEvent(node, events.off, function() { node.className = node.className.replace(new RegExp('\\s+'+className, 'g'),''); });
+}
+ function hookHoverEvent(node, type, handler) {
+ node.attachEvent(type, handler);
+ hoverEvents[hoverEvents.length] = {
+ node:node, type:type, handler:handler
+ };
+ }
+
+ function unhookHoverEvents() {
+ for(var e,i=0; i<hoverEvents.length; i++) {
+ e = hoverEvents[i];
+ e.node.detachEvent(e.type, e.handler);
+ }
+ }
+
+function getElementsBySelect(rule) {
+ var parts, nodes = [doc];
+ parts = rule.split(' ');
+ for(var i=0; i<parts.length; i++) {
+ nodes = getSelectedNodes(parts[i], nodes);
+ } return nodes;
+}
+ function getSelectedNodes(select, elements) {
+ var result, node, nodes = [];
+ var identify = (/\#([a-z0-9_-]+)/i).exec(select);
+ if(identify) {
+ var element = doc.getElementById(identify[1]);
+ return element? [element]:nodes;
+ }
+
+ var classname = (/\.([a-z0-9_-]+)/i).exec(select);
+ var tagName = select.replace(/(\.|\#|\:)[a-z0-9_-]+/i, '');
+ var classReg = classname? new RegExp('\\b' + classname[1] + '\\b'):false;
+ for(var i=0; i<elements.length; i++) {
+ result = tagName? elements[i].all.tags(tagName):elements[i].all;
+ for(var j=0; j<result.length; j++) {
+ node = result[j];
+ if(classReg && !classReg.test(node.className)) continue;
+ nodes[nodes.length] = node;
+ }
+ }
+
+ return nodes;
+ }
+</script>
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