diff options
Diffstat (limited to 'app/lib/grappelli/media/js/getElementsBySelector.js')
| -rw-r--r-- | app/lib/grappelli/media/js/getElementsBySelector.js | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/app/lib/grappelli/media/js/getElementsBySelector.js b/app/lib/grappelli/media/js/getElementsBySelector.js deleted file mode 100644 index 15b57a1..0000000 --- a/app/lib/grappelli/media/js/getElementsBySelector.js +++ /dev/null @@ -1,167 +0,0 @@ -/* document.getElementsBySelector(selector) - - returns an array of element objects from the current document - matching the CSS selector. Selectors can contain element names, - class names and ids and can be nested. For example: - - elements = document.getElementsBySelect('div#main p a.external') - - Will return an array of all 'a' elements with 'external' in their - class attribute that are contained inside 'p' elements that are - contained inside the 'div' element which has id="main" - - New in version 0.4: Support for CSS2 and CSS3 attribute selectors: - See http://www.w3.org/TR/css3-selectors/#attribute-selectors - - Version 0.4 - Simon Willison, March 25th 2003 - -- Works in Phoenix 0.5, Mozilla 1.3, Opera 7, Internet Explorer 6, Internet Explorer 5 on Windows - -- Opera 7 fails -*/ - -function getAllChildren(e) { - // Returns all children of element. Workaround required for IE5/Windows. Ugh. - return e.all ? e.all : e.getElementsByTagName('*'); -} - -document.getElementsBySelector = function(selector) { - // Attempt to fail gracefully in lesser browsers - if (!document.getElementsByTagName) { - return new Array(); - } - // Split selector in to tokens - var tokens = selector.split(' '); - var currentContext = new Array(document); - for (var i = 0; i < tokens.length; i++) { - token = tokens[i].replace(/^\s+/,'').replace(/\s+$/,'');; - if (token.indexOf('#') > -1) { - // Token is an ID selector - var bits = token.split('#'); - var tagName = bits[0]; - var id = bits[1]; - var element = document.getElementById(id); - if (!element || (tagName && element.nodeName.toLowerCase() != tagName)) { - // ID not found or tag with that ID not found, return false. - return new Array(); - } - // Set currentContext to contain just this element - currentContext = new Array(element); - continue; // Skip to next token - } - if (token.indexOf('.') > -1) { - // Token contains a class selector - var bits = token.split('.'); - var tagName = bits[0]; - var className = bits[1]; - if (!tagName) { - tagName = '*'; - } - // Get elements matching tag, filter them for class selector - var found = new Array; - var foundCount = 0; - for (var h = 0; h < currentContext.length; h++) { - var elements; - if (tagName == '*') { - elements = getAllChildren(currentContext[h]); - } else { - try { - elements = currentContext[h].getElementsByTagName(tagName); - } - catch(e) { - elements = []; - } - } - for (var j = 0; j < elements.length; j++) { - found[foundCount++] = elements[j]; - } - } - currentContext = new Array; - var currentContextIndex = 0; - for (var k = 0; k < found.length; k++) { - if (found[k].className && found[k].className.match(new RegExp('\\b'+className+'\\b'))) { - currentContext[currentContextIndex++] = found[k]; - } - } - continue; // Skip to next token - } - // Code to deal with attribute selectors - if (token.match(/^(\w*)\[(\w+)([=~\|\^\$\*]?)=?"?([^\]"]*)"?\]$/)) { - var tagName = RegExp.$1; - var attrName = RegExp.$2; - var attrOperator = RegExp.$3; - var attrValue = RegExp.$4; - if (!tagName) { - tagName = '*'; - } - // Grab all of the tagName elements within current context - var found = new Array; - var foundCount = 0; - for (var h = 0; h < currentContext.length; h++) { - var elements; - if (tagName == '*') { - elements = getAllChildren(currentContext[h]); - } else { - elements = currentContext[h].getElementsByTagName(tagName); - } - for (var j = 0; j < elements.length; j++) { - found[foundCount++] = elements[j]; - } - } - currentContext = new Array; - var currentContextIndex = 0; - var checkFunction; // This function will be used to filter the elements - switch (attrOperator) { - case '=': // Equality - checkFunction = function(e) { return (e.getAttribute(attrName) == attrValue); }; - break; - case '~': // Match one of space seperated words - checkFunction = function(e) { return (e.getAttribute(attrName).match(new RegExp('\\b'+attrValue+'\\b'))); }; - break; - case '|': // Match start with value followed by optional hyphen - checkFunction = function(e) { return (e.getAttribute(attrName).match(new RegExp('^'+attrValue+'-?'))); }; - break; - case '^': // Match starts with value - checkFunction = function(e) { return (e.getAttribute(attrName).indexOf(attrValue) == 0); }; - break; - case '$': // Match ends with value - fails with "Warning" in Opera 7 - checkFunction = function(e) { return (e.getAttribute(attrName).lastIndexOf(attrValue) == e.getAttribute(attrName).length - attrValue.length); }; - break; - case '*': // Match ends with value - checkFunction = function(e) { return (e.getAttribute(attrName).indexOf(attrValue) > -1); }; - break; - default : - // Just test for existence of attribute - checkFunction = function(e) { return e.getAttribute(attrName); }; - } - currentContext = new Array; - var currentContextIndex = 0; - for (var k = 0; k < found.length; k++) { - if (checkFunction(found[k])) { - currentContext[currentContextIndex++] = found[k]; - } - } - // alert('Attribute Selector: '+tagName+' '+attrName+' '+attrOperator+' '+attrValue); - continue; // Skip to next token - } - // If we get here, token is JUST an element (not a class or ID selector) - tagName = token; - var found = new Array; - var foundCount = 0; - for (var h = 0; h < currentContext.length; h++) { - var elements = currentContext[h].getElementsByTagName(tagName); - for (var j = 0; j < elements.length; j++) { - found[foundCount++] = elements[j]; - } - } - currentContext = found; - } - return currentContext; -} - -/* That revolting regular expression explained -/^(\w+)\[(\w+)([=~\|\^\$\*]?)=?"?([^\]"]*)"?\]$/ - \---/ \---/\-------------/ \-------/ - | | | | - | | | The value - | | ~,|,^,$,* or = - | Attribute - Tag -*/ |