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author | Tim Laszlo <tim.laszlo@gmail.com> | 2010-10-14 15:28:58 -0500 |
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committer | Tim Laszlo <tim.laszlo@gmail.com> | 2010-10-14 15:28:58 -0500 |
commit | 7c0a9b20203e13a4da06fd79081215f712cceb38 (patch) | |
tree | 9e4372862491b36fa5ae5bf5a0f54676bfb930b4 /reports/site_media/yui/dom/dom-debug.js | |
parent | 2b0ea7df179353442712c830fb5c3a5164632d51 (diff) | |
download | bcfg2-7c0a9b20203e13a4da06fd79081215f712cceb38.tar.gz bcfg2-7c0a9b20203e13a4da06fd79081215f712cceb38.tar.bz2 bcfg2-7c0a9b20203e13a4da06fd79081215f712cceb38.zip |
web reports: new skin
Diffstat (limited to 'reports/site_media/yui/dom/dom-debug.js')
-rw-r--r-- | reports/site_media/yui/dom/dom-debug.js | 927 |
1 files changed, 0 insertions, 927 deletions
diff --git a/reports/site_media/yui/dom/dom-debug.js b/reports/site_media/yui/dom/dom-debug.js deleted file mode 100644 index e9368d90f..000000000 --- a/reports/site_media/yui/dom/dom-debug.js +++ /dev/null @@ -1,927 +0,0 @@ -/* -Copyright (c) 2006, Yahoo! Inc. All rights reserved. -Code licensed under the BSD License: -http://developer.yahoo.net/yui/license.txt -version: 0.12.2 -*/ -/** - * The dom module provides helper methods for manipulating Dom elements. - * @module dom - * - */ - -(function() { - var Y = YAHOO.util, // internal shorthand - getStyle, // for load time browser branching - setStyle, // ditto - id_counter = 0, // for use with generateId - propertyCache = {}; // for faster hyphen converts - - // brower detection - var ua = navigator.userAgent.toLowerCase(), - isOpera = (ua.indexOf('opera') > -1), - isSafari = (ua.indexOf('safari') > -1), - isGecko = (!isOpera && !isSafari && ua.indexOf('gecko') > -1), - isIE = (!isOpera && ua.indexOf('msie') > -1); - - // regex cache - var patterns = { - HYPHEN: /(-[a-z])/i - }; - - var logger = {}; - logger.log = function() { YAHOO.log.apply(window, arguments); }; - - var toCamel = function(property) { - if ( !patterns.HYPHEN.test(property) ) { - return property; // no hyphens - } - - if (propertyCache[property]) { // already converted - return propertyCache[property]; - } - - while( patterns.HYPHEN.exec(property) ) { - property = property.replace(RegExp.$1, - RegExp.$1.substr(1).toUpperCase()); - } - - propertyCache[property] = property; - return property; - //return property.replace(/-([a-z])/gi, function(m0, m1) {return m1.toUpperCase()}) // cant use function as 2nd arg yet due to safari bug - }; - - // branching at load instead of runtime - if (document.defaultView && document.defaultView.getComputedStyle) { // W3C DOM method - getStyle = function(el, property) { - var value = null; - - var computed = document.defaultView.getComputedStyle(el, ''); - if (computed) { // test computed before touching for safari - value = computed[toCamel(property)]; - } - - return el.style[property] || value; - }; - } else if (document.documentElement.currentStyle && isIE) { // IE method - getStyle = function(el, property) { - switch( toCamel(property) ) { - case 'opacity' :// IE opacity uses filter - var val = 100; - try { // will error if no DXImageTransform - val = el.filters['DXImageTransform.Microsoft.Alpha'].opacity; - - } catch(e) { - try { // make sure its in the document - val = el.filters('alpha').opacity; - } catch(e) { - logger.log('getStyle: IE filter failed', - 'error', 'Dom'); - } - } - return val / 100; - break; - default: - // test currentStyle before touching - var value = el.currentStyle ? el.currentStyle[property] : null; - return ( el.style[property] || value ); - } - }; - } else { // default to inline only - getStyle = function(el, property) { return el.style[property]; }; - } - - if (isIE) { - setStyle = function(el, property, val) { - switch (property) { - case 'opacity': - if ( typeof el.style.filter == 'string' ) { // in case not appended - el.style.filter = 'alpha(opacity=' + val * 100 + ')'; - - if (!el.currentStyle || !el.currentStyle.hasLayout) { - el.style.zoom = 1; // when no layout or cant tell - } - } - break; - default: - el.style[property] = val; - } - }; - } else { - setStyle = function(el, property, val) { - el.style[property] = val; - }; - } - - /** - * Provides helper methods for DOM elements. - * @namespace YAHOO.util - * @class Dom - */ - YAHOO.util.Dom = { - /** - * Returns an HTMLElement reference. - * @method get - * @param {String | HTMLElement |Array} el Accepts a string to use as an ID for getting a DOM reference, an actual DOM reference, or an Array of IDs and/or HTMLElements. - * @return {HTMLElement | Array} A DOM reference to an HTML element or an array of HTMLElements. - */ - get: function(el) { - if (!el) { return null; } // nothing to work with - - if (typeof el != 'string' && !(el instanceof Array) ) { // assuming HTMLElement or HTMLCollection, so pass back as is - logger.log('get(' + el + ') returning ' + el, 'info', 'Dom'); - return el; - } - - if (typeof el == 'string') { // ID - logger.log('get("' + el + '") returning ' + document.getElementById(el), 'info', 'Dom'); - return document.getElementById(el); - } - else { // array of ID's and/or elements - var collection = []; - for (var i = 0, len = el.length; i < len; ++i) { - collection[collection.length] = Y.Dom.get(el[i]); - } - - logger.log('get("' + el + '") returning ' + collection, 'info', 'Dom'); - return collection; - } - - logger.log('element ' + el + ' not found', 'error', 'Dom'); - return null; // safety, should never happen - }, - - /** - * Normalizes currentStyle and ComputedStyle. - * @method getStyle - * @param {String | HTMLElement |Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements. - * @param {String} property The style property whose value is returned. - * @return {String | Array} The current value of the style property for the element(s). - */ - getStyle: function(el, property) { - property = toCamel(property); - - var f = function(element) { - return getStyle(element, property); - }; - - return Y.Dom.batch(el, f, Y.Dom, true); - }, - - /** - * Wrapper for setting style properties of HTMLElements. Normalizes "opacity" across modern browsers. - * @method setStyle - * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements. - * @param {String} property The style property to be set. - * @param {String} val The value to apply to the given property. - */ - setStyle: function(el, property, val) { - property = toCamel(property); - - var f = function(element) { - setStyle(element, property, val); - logger.log('setStyle setting ' + property + ' to ' + val, 'info', 'Dom'); - - }; - - Y.Dom.batch(el, f, Y.Dom, true); - }, - - /** - * Gets the current position of an element based on page coordinates. Element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false). - * @method getXY - * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements - * @return {Array} The XY position of the element(s) - */ - getXY: function(el) { - var f = function(el) { - - // has to be part of document to have pageXY - if (el.parentNode === null || el.offsetParent === null || - this.getStyle(el, 'display') == 'none') { - logger.log('getXY failed: element not available', 'error', 'Dom'); - return false; - } - - var parentNode = null; - var pos = []; - var box; - - if (el.getBoundingClientRect) { // IE - box = el.getBoundingClientRect(); - var doc = document; - if ( !this.inDocument(el) && parent.document != document) {// might be in a frame, need to get its scroll - doc = parent.document; - - if ( !this.isAncestor(doc.documentElement, el) ) { - logger.log('getXY failed: element not available', 'error', 'Dom'); - return false; - } - - } - - var scrollTop = Math.max(doc.documentElement.scrollTop, doc.body.scrollTop); - var scrollLeft = Math.max(doc.documentElement.scrollLeft, doc.body.scrollLeft); - - return [box.left + scrollLeft, box.top + scrollTop]; - } - else { // safari, opera, & gecko - pos = [el.offsetLeft, el.offsetTop]; - parentNode = el.offsetParent; - if (parentNode != el) { - while (parentNode) { - pos[0] += parentNode.offsetLeft; - pos[1] += parentNode.offsetTop; - parentNode = parentNode.offsetParent; - } - } - if (isSafari && this.getStyle(el, 'position') == 'absolute' ) { // safari doubles in some cases - pos[0] -= document.body.offsetLeft; - pos[1] -= document.body.offsetTop; - } - } - - if (el.parentNode) { parentNode = el.parentNode; } - else { parentNode = null; } - - while (parentNode && parentNode.tagName.toUpperCase() != 'BODY' && parentNode.tagName.toUpperCase() != 'HTML') - { // account for any scrolled ancestors - if (Y.Dom.getStyle(parentNode, 'display') != 'inline') { // work around opera inline scrollLeft/Top bug - pos[0] -= parentNode.scrollLeft; - pos[1] -= parentNode.scrollTop; - } - - if (parentNode.parentNode) { - parentNode = parentNode.parentNode; - } else { parentNode = null; } - } - - logger.log('getXY returning ' + pos, 'info', 'Dom'); - - return pos; - }; - - return Y.Dom.batch(el, f, Y.Dom, true); - }, - - /** - * Gets the current X position of an element based on page coordinates. The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false). - * @method getX - * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements - * @return {String | Array} The X position of the element(s) - */ - getX: function(el) { - var f = function(el) { - return Y.Dom.getXY(el)[0]; - }; - - return Y.Dom.batch(el, f, Y.Dom, true); - }, - - /** - * Gets the current Y position of an element based on page coordinates. Element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false). - * @method getY - * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements - * @return {String | Array} The Y position of the element(s) - */ - getY: function(el) { - var f = function(el) { - return Y.Dom.getXY(el)[1]; - }; - - return Y.Dom.batch(el, f, Y.Dom, true); - }, - - /** - * Set the position of an html element in page coordinates, regardless of how the element is positioned. - * The element(s) must be part of the DOM tree to have page coordinates (display:none or elements not appended return false). - * @method setXY - * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements - * @param {Array} pos Contains X & Y values for new position (coordinates are page-based) - * @param {Boolean} noRetry By default we try and set the position a second time if the first fails - */ - setXY: function(el, pos, noRetry) { - var f = function(el) { - var style_pos = this.getStyle(el, 'position'); - if (style_pos == 'static') { // default to relative - this.setStyle(el, 'position', 'relative'); - style_pos = 'relative'; - } - - var pageXY = this.getXY(el); - if (pageXY === false) { // has to be part of doc to have pageXY - logger.log('setXY failed: element not available', 'error', 'Dom'); - return false; - } - - var delta = [ // assuming pixels; if not we will have to retry - parseInt( this.getStyle(el, 'left'), 10 ), - parseInt( this.getStyle(el, 'top'), 10 ) - ]; - - if ( isNaN(delta[0]) ) {// in case of 'auto' - delta[0] = (style_pos == 'relative') ? 0 : el.offsetLeft; - } - if ( isNaN(delta[1]) ) { // in case of 'auto' - delta[1] = (style_pos == 'relative') ? 0 : el.offsetTop; - } - - if (pos[0] !== null) { el.style.left = pos[0] - pageXY[0] + delta[0] + 'px'; } - if (pos[1] !== null) { el.style.top = pos[1] - pageXY[1] + delta[1] + 'px'; } - - if (!noRetry) { - var newXY = this.getXY(el); - - // if retry is true, try one more time if we miss - if ( (pos[0] !== null && newXY[0] != pos[0]) || - (pos[1] !== null && newXY[1] != pos[1]) ) { - this.setXY(el, pos, true); - } - } - - logger.log('setXY setting position to ' + pos, 'info', 'Dom'); - }; - - Y.Dom.batch(el, f, Y.Dom, true); - }, - - /** - * Set the X position of an html element in page coordinates, regardless of how the element is positioned. - * The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false). - * @method setX - * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements. - * @param {Int} x The value to use as the X coordinate for the element(s). - */ - setX: function(el, x) { - Y.Dom.setXY(el, [x, null]); - }, - - /** - * Set the Y position of an html element in page coordinates, regardless of how the element is positioned. - * The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false). - * @method setY - * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements. - * @param {Int} x To use as the Y coordinate for the element(s). - */ - setY: function(el, y) { - Y.Dom.setXY(el, [null, y]); - }, - - /** - * Returns the region position of the given element. - * The element must be part of the DOM tree to have a region (display:none or elements not appended return false). - * @method getRegion - * @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements. - * @return {Region | Array} A Region or array of Region instances containing "top, left, bottom, right" member data. - */ - getRegion: function(el) { - var f = function(el) { - var region = new Y.Region.getRegion(el); - logger.log('getRegion returning ' + region, 'info', 'Dom'); - return region; - }; - - return Y.Dom.batch(el, f, Y.Dom, true); - }, - - /** - * Returns the width of the client (viewport). - * @method getClientWidth - * @deprecated Now using getViewportWidth. This interface left intact for back compat. - * @return {Int} The width of the viewable area of the page. - */ - getClientWidth: function() { - return Y.Dom.getViewportWidth(); - }, - - /** - * Returns the height of the client (viewport). - * @method getClientHeight - * @deprecated Now using getViewportHeight. This interface left intact for back compat. - * @return {Int} The height of the viewable area of the page. - */ - getClientHeight: function() { - return Y.Dom.getViewportHeight(); - }, - - /** - * Returns a array of HTMLElements with the given class. - * For optimized performance, include a tag and/or root node when possible. - * @method getElementsByClassName - * @param {String} className The class name to match against - * @param {String} tag (optional) The tag name of the elements being collected - * @param {String | HTMLElement} root (optional) The HTMLElement or an ID to use as the starting point - * @return {Array} An array of elements that have the given class name - */ - getElementsByClassName: function(className, tag, root) { - var method = function(el) { return Y.Dom.hasClass(el, className); }; - return Y.Dom.getElementsBy(method, tag, root); - }, - - /** - * Determines whether an HTMLElement has the given className. - * @method hasClass - * @param {String | HTMLElement | Array} el The element or collection to test - * @param {String} className the class name to search for - * @return {Boolean | Array} A boolean value or array of boolean values - */ - hasClass: function(el, className) { - var re = new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)'); - - var f = function(el) { - logger.log('hasClass returning ' + re.test(el['className']), 'info', 'Dom'); - return re.test(el['className']); - }; - - return Y.Dom.batch(el, f, Y.Dom, true); - }, - - /** - * Adds a class name to a given element or collection of elements. - * @method addClass - * @param {String | HTMLElement | Array} el The element or collection to add the class to - * @param {String} className the class name to add to the class attribute - */ - addClass: function(el, className) { - var f = function(el) { - if (this.hasClass(el, className)) { return; } // already present - - logger.log('addClass adding ' + className, 'info', 'Dom'); - - el['className'] = [el['className'], className].join(' '); - }; - - Y.Dom.batch(el, f, Y.Dom, true); - }, - - /** - * Removes a class name from a given element or collection of elements. - * @method removeClass - * @param {String | HTMLElement | Array} el The element or collection to remove the class from - * @param {String} className the class name to remove from the class attribute - */ - removeClass: function(el, className) { - var re = new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)', 'g'); - - var f = function(el) { - if (!this.hasClass(el, className)) { return; } // not present - - logger.log('removeClass removing ' + className, 'info', 'Dom'); - - var c = el['className']; - el['className'] = c.replace(re, ' '); - if ( this.hasClass(el, className) ) { // in case of multiple adjacent - this.removeClass(el, className); - } - - }; - - Y.Dom.batch(el, f, Y.Dom, true); - }, - - /** - * Replace a class with another class for a given element or collection of elements. - * If no oldClassName is present, the newClassName is simply added. - * @method replaceClass - * @param {String | HTMLElement | Array} el The element or collection to remove the class from - * @param {String} oldClassName the class name to be replaced - * @param {String} newClassName the class name that will be replacing the old class name - */ - replaceClass: function(el, oldClassName, newClassName) { - if (oldClassName === newClassName) { // avoid infinite loop - return false; - } - - var re = new RegExp('(?:^|\\s+)' + oldClassName + '(?:\\s+|$)', 'g'); - - var f = function(el) { - logger.log('replaceClass replacing ' + oldClassName + ' with ' + newClassName, 'info', 'Dom'); - - if ( !this.hasClass(el, oldClassName) ) { - this.addClass(el, newClassName); // just add it if nothing to replace - return; // note return - } - - el['className'] = el['className'].replace(re, ' ' + newClassName + ' '); - - if ( this.hasClass(el, oldClassName) ) { // in case of multiple adjacent - this.replaceClass(el, oldClassName, newClassName); - } - }; - - Y.Dom.batch(el, f, Y.Dom, true); - }, - - /** - * Generates a unique ID - * @method generateId - * @param {String | HTMLElement | Array} el (optional) An optional element array of elements to add an ID to (no ID is added if one is already present). - * @param {String} prefix (optional) an optional prefix to use (defaults to "yui-gen"). - * @return {String | Array} The generated ID, or array of generated IDs (or original ID if already present on an element) - */ - generateId: function(el, prefix) { - prefix = prefix || 'yui-gen'; - el = el || {}; - - var f = function(el) { - if (el) { - el = Y.Dom.get(el); - } else { - el = {}; // just generating ID in this case - } - - if (!el.id) { - el.id = prefix + id_counter++; - logger.log('generateId generating ' + el.id, 'info', 'Dom'); - } // dont override existing - - logger.log('generateId returning ' + el.id, 'info', 'Dom'); - - return el.id; - }; - - return Y.Dom.batch(el, f, Y.Dom, true); - }, - - /** - * Determines whether an HTMLElement is an ancestor of another HTML element in the DOM hierarchy. - * @method isAncestor - * @param {String | HTMLElement} haystack The possible ancestor - * @param {String | HTMLElement} needle The possible descendent - * @return {Boolean} Whether or not the haystack is an ancestor of needle - */ - isAncestor: function(haystack, needle) { - haystack = Y.Dom.get(haystack); - if (!haystack || !needle) { return false; } - - var f = function(needle) { - if (haystack.contains && !isSafari) { // safari "contains" is broken - logger.log('isAncestor returning ' + haystack.contains(needle), 'info', 'Dom'); - return haystack.contains(needle); - } - else if ( haystack.compareDocumentPosition ) { - logger.log('isAncestor returning ' + !!(haystack.compareDocumentPosition(needle) & 16), 'info', 'Dom'); - return !!(haystack.compareDocumentPosition(needle) & 16); - } - else { // loop up and test each parent - var parent = needle.parentNode; - - while (parent) { - if (parent == haystack) { - logger.log('isAncestor returning true', 'info', 'Dom'); - return true; - } - else if (!parent.tagName || parent.tagName.toUpperCase() == 'HTML') { - logger.log('isAncestor returning false', 'info', 'Dom'); - return false; - } - - parent = parent.parentNode; - } - logger.log('isAncestor returning false', 'info', 'Dom'); - return false; - } - }; - - return Y.Dom.batch(needle, f, Y.Dom, true); - }, - - /** - * Determines whether an HTMLElement is present in the current document. - * @method inDocument - * @param {String | HTMLElement} el The element to search for - * @return {Boolean} Whether or not the element is present in the current document - */ - inDocument: function(el) { - var f = function(el) { - return this.isAncestor(document.documentElement, el); - }; - - return Y.Dom.batch(el, f, Y.Dom, true); - }, - - /** - * Returns a array of HTMLElements that pass the test applied by supplied boolean method. - * For optimized performance, include a tag and/or root node when possible. - * @method getElementsBy - * @param {Function} method - A boolean method for testing elements which receives the element as its only argument. - - * @param {String} tag (optional) The tag name of the elements being collected - * @param {String | HTMLElement} root (optional) The HTMLElement or an ID to use as the starting point - */ - getElementsBy: function(method, tag, root) { - tag = tag || '*'; - - var nodes = []; - - if (root) { - root = Y.Dom.get(root); - if (!root) { // if no root node, then no children - return nodes; - } - } else { - root = document; - } - - var elements = root.getElementsByTagName(tag); - - if ( !elements.length && (tag == '*' && root.all) ) { - elements = root.all; // IE < 6 - } - - for (var i = 0, len = elements.length; i < len; ++i) { - if ( method(elements[i]) ) { nodes[nodes.length] = elements[i]; } - } - - logger.log('getElementsBy returning ' + nodes, 'info', 'Dom'); - - return nodes; - }, - - /** - * Returns an array of elements that have had the supplied method applied. - * The method is called with the element(s) as the first arg, and the optional param as the second ( method(el, o) ). - * @method batch - * @param {String | HTMLElement | Array} el (optional) An element or array of elements to apply the method to - * @param {Function} method The method to apply to the element(s) - * @param {Any} o (optional) An optional arg that is passed to the supplied method - * @param {Boolean} override (optional) Whether or not to override the scope of "method" with "o" - * @return {HTMLElement | Array} The element(s) with the method applied - */ - batch: function(el, method, o, override) { - var id = el; - el = Y.Dom.get(el); - - var scope = (override) ? o : window; - - if (!el || el.tagName || !el.length) { // is null or not a collection (tagName for SELECT and others that can be both an element and a collection) - if (!el) { - logger.log(id + ' not available', 'error', 'Dom'); - return false; - } - return method.call(scope, el, o); - } - - var collection = []; - - for (var i = 0, len = el.length; i < len; ++i) { - if (!el[i]) { - id = el[i]; - logger.log(id + ' not available', 'error', 'Dom'); - } - collection[collection.length] = method.call(scope, el[i], o); - } - - return collection; - }, - - /** - * Returns the height of the document. - * @method getDocumentHeight - * @return {Int} The height of the actual document (which includes the body and its margin). - */ - getDocumentHeight: function() { - var scrollHeight = (document.compatMode != 'CSS1Compat') ? document.body.scrollHeight : document.documentElement.scrollHeight; - - var h = Math.max(scrollHeight, Y.Dom.getViewportHeight()); - logger.log('getDocumentHeight returning ' + h, 'info', 'Dom'); - return h; - }, - - /** - * Returns the width of the document. - * @method getDocumentWidth - * @return {Int} The width of the actual document (which includes the body and its margin). - */ - getDocumentWidth: function() { - var scrollWidth = (document.compatMode != 'CSS1Compat') ? document.body.scrollWidth : document.documentElement.scrollWidth; - var w = Math.max(scrollWidth, Y.Dom.getViewportWidth()); - logger.log('getDocumentWidth returning ' + w, 'info', 'Dom'); - return w; - }, - - /** - * Returns the current height of the viewport. - * @method getViewportHeight - * @return {Int} The height of the viewable area of the page (excludes scrollbars). - */ - getViewportHeight: function() { - var height = self.innerHeight; // Safari, Opera - var mode = document.compatMode; - - if ( (mode || isIE) && !isOpera ) { // IE, Gecko - height = (mode == 'CSS1Compat') ? - document.documentElement.clientHeight : // Standards - document.body.clientHeight; // Quirks - } - - logger.log('getViewportHeight returning ' + height, 'info', 'Dom'); - return height; - }, - - /** - * Returns the current width of the viewport. - * @method getViewportWidth - * @return {Int} The width of the viewable area of the page (excludes scrollbars). - */ - - getViewportWidth: function() { - var width = self.innerWidth; // Safari - var mode = document.compatMode; - - if (mode || isIE) { // IE, Gecko, Opera - width = (mode == 'CSS1Compat') ? - document.documentElement.clientWidth : // Standards - document.body.clientWidth; // Quirks - } - logger.log('getViewportWidth returning ' + width, 'info', 'Dom'); - return width; - } - }; -})(); -/** - * A region is a representation of an object on a grid. It is defined - * by the top, right, bottom, left extents, so is rectangular by default. If - * other shapes are required, this class could be extended to support it. - * @namespace YAHOO.util - * @class Region - * @param {Int} t the top extent - * @param {Int} r the right extent - * @param {Int} b the bottom extent - * @param {Int} l the left extent - * @constructor - */ -YAHOO.util.Region = function(t, r, b, l) { - - /** - * The region's top extent - * @property top - * @type Int - */ - this.top = t; - - /** - * The region's top extent as index, for symmetry with set/getXY - * @property 1 - * @type Int - */ - this[1] = t; - - /** - * The region's right extent - * @property right - * @type int - */ - this.right = r; - - /** - * The region's bottom extent - * @property bottom - * @type Int - */ - this.bottom = b; - - /** - * The region's left extent - * @property left - * @type Int - */ - this.left = l; - - /** - * The region's left extent as index, for symmetry with set/getXY - * @property 0 - * @type Int - */ - this[0] = l; -}; - -/** - * Returns true if this region contains the region passed in - * @method contains - * @param {Region} region The region to evaluate - * @return {Boolean} True if the region is contained with this region, - * else false - */ -YAHOO.util.Region.prototype.contains = function(region) { - return ( region.left >= this.left && - region.right <= this.right && - region.top >= this.top && - region.bottom <= this.bottom ); - - // this.logger.debug("does " + this + " contain " + region + " ... " + ret); -}; - -/** - * Returns the area of the region - * @method getArea - * @return {Int} the region's area - */ -YAHOO.util.Region.prototype.getArea = function() { - return ( (this.bottom - this.top) * (this.right - this.left) ); -}; - -/** - * Returns the region where the passed in region overlaps with this one - * @method intersect - * @param {Region} region The region that intersects - * @return {Region} The overlap region, or null if there is no overlap - */ -YAHOO.util.Region.prototype.intersect = function(region) { - var t = Math.max( this.top, region.top ); - var r = Math.min( this.right, region.right ); - var b = Math.min( this.bottom, region.bottom ); - var l = Math.max( this.left, region.left ); - - if (b >= t && r >= l) { - return new YAHOO.util.Region(t, r, b, l); - } else { - return null; - } -}; - -/** - * Returns the region representing the smallest region that can contain both - * the passed in region and this region. - * @method union - * @param {Region} region The region that to create the union with - * @return {Region} The union region - */ -YAHOO.util.Region.prototype.union = function(region) { - var t = Math.min( this.top, region.top ); - var r = Math.max( this.right, region.right ); - var b = Math.max( this.bottom, region.bottom ); - var l = Math.min( this.left, region.left ); - - return new YAHOO.util.Region(t, r, b, l); -}; - -/** - * toString - * @method toString - * @return string the region properties - */ -YAHOO.util.Region.prototype.toString = function() { - return ( "Region {" + - "top: " + this.top + - ", right: " + this.right + - ", bottom: " + this.bottom + - ", left: " + this.left + - "}" ); -}; - -/** - * Returns a region that is occupied by the DOM element - * @method getRegion - * @param {HTMLElement} el The element - * @return {Region} The region that the element occupies - * @static - */ -YAHOO.util.Region.getRegion = function(el) { - var p = YAHOO.util.Dom.getXY(el); - - var t = p[1]; - var r = p[0] + el.offsetWidth; - var b = p[1] + el.offsetHeight; - var l = p[0]; - - return new YAHOO.util.Region(t, r, b, l); -}; - -///////////////////////////////////////////////////////////////////////////// - - -/** - * A point is a region that is special in that it represents a single point on - * the grid. - * @namespace YAHOO.util - * @class Point - * @param {Int} x The X position of the point - * @param {Int} y The Y position of the point - * @constructor - * @extends YAHOO.util.Region - */ -YAHOO.util.Point = function(x, y) { - if (x instanceof Array) { // accept output from Dom.getXY - y = x[1]; - x = x[0]; - } - - /** - * The X position of the point, which is also the right, left and index zero (for Dom.getXY symmetry) - * @property x - * @type Int - */ - - this.x = this.right = this.left = this[0] = x; - - /** - * The Y position of the point, which is also the top, bottom and index one (for Dom.getXY symmetry) - * @property y - * @type Int - */ - this.y = this.top = this.bottom = this[1] = y; -}; - -YAHOO.util.Point.prototype = new YAHOO.util.Region(); - |