From ef68436ac04da078ffdcacd7e1f785473a303d45 Mon Sep 17 00:00:00 2001 From: Giulio Cesare Solaroli Date: Sun, 02 Oct 2011 23:56:18 +0000 Subject: First version of the newly restructured repository --- (limited to 'frontend/beta/js/YUI/dom.js') diff --git a/frontend/beta/js/YUI/dom.js b/frontend/beta/js/YUI/dom.js new file mode 100644 index 0000000..6f04c43 --- a/dev/null +++ b/frontend/beta/js/YUI/dom.js @@ -0,0 +1,881 @@ +/* +Copyright (c) 2006, Yahoo! Inc. All rights reserved. +Code licensed under the BSD License: +http://developer.yahoo.net/yui/license.txt +version: 0.12.0 +*/ + +/** + * 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 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) { + } + } + 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 + return el; + } + + if (typeof el == 'string') { // ID + 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]); + } + + return collection; + } + + 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); + + }; + + 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') { + 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) ) { + 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; } + } + + + 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 + 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'; } + + var newXY = this.getXY(el); + + // if retry is true, try one more time if we miss + if (!noRetry && (newXY[0] != pos[0] || newXY[1] != pos[1]) ) { + this.setXY(el, pos, true); + } + + }; + + 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); + 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) { + 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 + + + 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+|$)', 'g'); + + var f = function(el) { + if (!this.hasClass(el, className)) { return; } // not present + + + var c = el['className']; + el['className'] = c.replace(re, ' '); + if ( this.hasClass(el, className) ) { // in case of multiple adjacent + this.removeClass(el, className); + } + + }; + + Y.Dom.batch(el, f, Y.Dom, true); + }, + + /** + * Replace a class with another class for a given element or collection of elements. + * If no oldClassName is present, the newClassName is simply added. + * @method replaceClass + * @param {String | HTMLElement | Array} el The element or collection to remove the class from + * @param {String} oldClassName the class name to be replaced + * @param {String} newClassName the class name that will be replacing the old class name + */ + replaceClass: function(el, oldClassName, newClassName) { + if (oldClassName === newClassName) { // avoid infinite loop + return false; + } + + var re = new RegExp('(?:^|\\s+)' + oldClassName + '(?:\\s+|$)', 'g'); + + var f = function(el) { + + 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++; + } // dont override existing + + + 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 + return haystack.contains(needle); + } + else if ( haystack.compareDocumentPosition ) { + return !!(haystack.compareDocumentPosition(needle) & 16); + } + else { // loop up and test each parent + var parent = needle.parentNode; + + while (parent) { + if (parent == haystack) { + return true; + } + else if (!parent.tagName || parent.tagName.toUpperCase() == 'HTML') { + return false; + } + + parent = parent.parentNode; + } + 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 || '*'; + root = Y.Dom.get(root) || document; + + var nodes = []; + 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]; } + } + + + 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) { + 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]; + } + 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()); + 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()); + 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 + } + + 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 + } + 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 ); + +}; + +/** + * 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(); + -- cgit v0.9.0.2