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/*
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Copyright (c) 2009, Yahoo! Inc. All rights reserved.
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Code licensed under the BSD License:
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http://developer.yahoo.net/yui/license.txt
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version: 2.8.0r4
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*/
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/**
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* The dom module provides helper methods for manipulating Dom elements.
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* @module dom
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*
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*/
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(function() {
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// for use with generateId (global to save state if Dom is overwritten)
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YAHOO.env._id_counter = YAHOO.env._id_counter || 0;
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// internal shorthand
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var Y = YAHOO.util,
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lang = YAHOO.lang,
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UA = YAHOO.env.ua,
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trim = YAHOO.lang.trim,
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propertyCache = {}, // for faster hyphen converts
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reCache = {}, // cache className regexes
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RE_TABLE = /^t(?:able|d|h)$/i, // for _calcBorders
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RE_COLOR = /color$/i,
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// DOM aliases
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document = window.document,
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documentElement = document.documentElement,
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// string constants
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OWNER_DOCUMENT = 'ownerDocument',
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DEFAULT_VIEW = 'defaultView',
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DOCUMENT_ELEMENT = 'documentElement',
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COMPAT_MODE = 'compatMode',
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OFFSET_LEFT = 'offsetLeft',
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OFFSET_TOP = 'offsetTop',
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OFFSET_PARENT = 'offsetParent',
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PARENT_NODE = 'parentNode',
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NODE_TYPE = 'nodeType',
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TAG_NAME = 'tagName',
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SCROLL_LEFT = 'scrollLeft',
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SCROLL_TOP = 'scrollTop',
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GET_BOUNDING_CLIENT_RECT = 'getBoundingClientRect',
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GET_COMPUTED_STYLE = 'getComputedStyle',
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CURRENT_STYLE = 'currentStyle',
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CSS1_COMPAT = 'CSS1Compat',
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_BACK_COMPAT = 'BackCompat',
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_CLASS = 'class', // underscore due to reserved word
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CLASS_NAME = 'className',
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EMPTY = '',
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SPACE = ' ',
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C_START = '(?:^|\\s)',
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C_END = '(?= |$)',
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G = 'g',
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POSITION = 'position',
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FIXED = 'fixed',
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RELATIVE = 'relative',
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LEFT = 'left',
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TOP = 'top',
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MEDIUM = 'medium',
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BORDER_LEFT_WIDTH = 'borderLeftWidth',
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BORDER_TOP_WIDTH = 'borderTopWidth',
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// brower detection
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isOpera = UA.opera,
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isSafari = UA.webkit,
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isGecko = UA.gecko,
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isIE = UA.ie;
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/**
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* Provides helper methods for DOM elements.
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* @namespace YAHOO.util
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* @class Dom
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* @requires yahoo, event
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*/
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Y.Dom = {
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CUSTOM_ATTRIBUTES: (!documentElement.hasAttribute) ? { // IE < 8
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'for': 'htmlFor',
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'class': CLASS_NAME
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} : { // w3c
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'htmlFor': 'for',
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'className': _CLASS
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},
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DOT_ATTRIBUTES: {},
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/**
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* Returns an HTMLElement reference.
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* @method get
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* @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.
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* @return {HTMLElement | Array} A DOM reference to an HTML element or an array of HTMLElements.
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*/
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get: function(el) {
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var id, nodes, c, i, len, attr;
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if (el) {
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if (el[NODE_TYPE] || el.item) { // Node, or NodeList
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return el;
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}
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if (typeof el === 'string') { // id
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id = el;
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el = document.getElementById(el);
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attr = (el) ? el.attributes : null;
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if (el && attr && attr.id && attr.id.value === id) { // IE: avoid false match on "name" attribute
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return el;
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} else if (el && document.all) { // filter by name
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el = null;
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nodes = document.all[id];
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for (i = 0, len = nodes.length; i < len; ++i) {
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if (nodes[i].id === id) {
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return nodes[i];
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}
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}
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}
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return el;
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}
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if (YAHOO.util.Element && el instanceof YAHOO.util.Element) {
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el = el.get('element');
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}
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if ('length' in el) { // array-like
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c = [];
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for (i = 0, len = el.length; i < len; ++i) {
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c[c.length] = Y.Dom.get(el[i]);
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}
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return c;
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}
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return el; // some other object, just pass it back
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}
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return null;
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},
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getComputedStyle: function(el, property) {
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if (window[GET_COMPUTED_STYLE]) {
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return el[OWNER_DOCUMENT][DEFAULT_VIEW][GET_COMPUTED_STYLE](el, null)[property];
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} else if (el[CURRENT_STYLE]) {
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return Y.Dom.IE_ComputedStyle.get(el, property);
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}
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},
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/**
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* Normalizes currentStyle and ComputedStyle.
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* @method getStyle
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* @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.
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* @param {String} property The style property whose value is returned.
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* @return {String | Array} The current value of the style property for the element(s).
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*/
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getStyle: function(el, property) {
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return Y.Dom.batch(el, Y.Dom._getStyle, property);
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},
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// branching at load instead of runtime
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_getStyle: function() {
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if (window[GET_COMPUTED_STYLE]) { // W3C DOM method
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return function(el, property) {
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property = (property === 'float') ? property = 'cssFloat' :
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Y.Dom._toCamel(property);
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var value = el.style[property],
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computed;
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if (!value) {
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computed = el[OWNER_DOCUMENT][DEFAULT_VIEW][GET_COMPUTED_STYLE](el, null);
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if (computed) { // test computed before touching for safari
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value = computed[property];
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}
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}
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return value;
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};
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} else if (documentElement[CURRENT_STYLE]) {
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return function(el, property) {
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var value;
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switch(property) {
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case 'opacity' :// IE opacity uses filter
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value = 100;
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try { // will error if no DXImageTransform
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value = el.filters['DXImageTransform.Microsoft.Alpha'].opacity;
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} catch(e) {
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try { // make sure its in the document
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value = el.filters('alpha').opacity;
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} catch(err) {
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YAHOO.log('getStyle: IE filter failed',
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'error', 'Dom');
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}
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}
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return value / 100;
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case 'float': // fix reserved word
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property = 'styleFloat'; // fall through
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default:
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property = Y.Dom._toCamel(property);
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value = el[CURRENT_STYLE] ? el[CURRENT_STYLE][property] : null;
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return ( el.style[property] || value );
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}
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};
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}
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}(),
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/**
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* Wrapper for setting style properties of HTMLElements. Normalizes "opacity" across modern browsers.
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* @method setStyle
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* @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.
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* @param {String} property The style property to be set.
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* @param {String} val The value to apply to the given property.
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*/
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setStyle: function(el, property, val) {
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Y.Dom.batch(el, Y.Dom._setStyle, { prop: property, val: val });
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},
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_setStyle: function() {
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if (isIE) {
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return function(el, args) {
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var property = Y.Dom._toCamel(args.prop),
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val = args.val;
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if (el) {
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switch (property) {
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case 'opacity':
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if ( lang.isString(el.style.filter) ) { // in case not appended
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el.style.filter = 'alpha(opacity=' + val * 100 + ')';
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if (!el[CURRENT_STYLE] || !el[CURRENT_STYLE].hasLayout) {
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el.style.zoom = 1; // when no layout or cant tell
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}
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}
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break;
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case 'float':
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property = 'styleFloat';
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default:
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el.style[property] = val;
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}
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} else {
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YAHOO.log('element ' + el + ' is undefined', 'error', 'Dom');
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}
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};
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} else {
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return function(el, args) {
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var property = Y.Dom._toCamel(args.prop),
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val = args.val;
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if (el) {
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if (property == 'float') {
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property = 'cssFloat';
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}
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el.style[property] = val;
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} else {
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YAHOO.log('element ' + el + ' is undefined', 'error', 'Dom');
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}
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};
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}
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}(),
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/**
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* Gets the current position of an element based on page coordinates.
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* Element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
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* @method getXY
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* @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM
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* reference, or an Array of IDs and/or HTMLElements
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* @return {Array} The XY position of the element(s)
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*/
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getXY: function(el) {
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return Y.Dom.batch(el, Y.Dom._getXY);
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},
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_canPosition: function(el) {
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return ( Y.Dom._getStyle(el, 'display') !== 'none' && Y.Dom._inDoc(el) );
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},
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_getXY: function() {
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if (document[DOCUMENT_ELEMENT][GET_BOUNDING_CLIENT_RECT]) {
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return function(node) {
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var scrollLeft, scrollTop, box, doc,
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off1, off2, mode, bLeft, bTop,
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floor = Math.floor, // TODO: round?
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xy = false;
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if (Y.Dom._canPosition(node)) {
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box = node[GET_BOUNDING_CLIENT_RECT]();
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doc = node[OWNER_DOCUMENT];
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scrollLeft = Y.Dom.getDocumentScrollLeft(doc);
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scrollTop = Y.Dom.getDocumentScrollTop(doc);
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xy = [floor(box[LEFT]), floor(box[TOP])];
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if (isIE && UA.ie < 8) { // IE < 8: viewport off by 2
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off1 = 2;
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off2 = 2;
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mode = doc[COMPAT_MODE];
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if (UA.ie === 6) {
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if (mode !== _BACK_COMPAT) {
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off1 = 0;
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off2 = 0;
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}
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}
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if ((mode === _BACK_COMPAT)) {
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bLeft = _getComputedStyle(doc[DOCUMENT_ELEMENT], BORDER_LEFT_WIDTH);
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bTop = _getComputedStyle(doc[DOCUMENT_ELEMENT], BORDER_TOP_WIDTH);
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if (bLeft !== MEDIUM) {
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off1 = parseInt(bLeft, 10);
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}
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if (bTop !== MEDIUM) {
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off2 = parseInt(bTop, 10);
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}
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313
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}
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xy[0] -= off1;
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xy[1] -= off2;
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}
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319
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320
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if ((scrollTop || scrollLeft)) {
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xy[0] += scrollLeft;
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xy[1] += scrollTop;
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}
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324
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// gecko may return sub-pixel (non-int) values
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xy[0] = floor(xy[0]);
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xy[1] = floor(xy[1]);
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} else {
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YAHOO.log('getXY failed: element not positionable (either not in a document or not displayed)', 'error', 'Dom');
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330
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}
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331
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332
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return xy;
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};
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334
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} else {
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335
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return function(node) { // ff2, safari: manually calculate by crawling up offsetParents
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336
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var docScrollLeft, docScrollTop,
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337
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scrollTop, scrollLeft,
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338
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bCheck,
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339
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xy = false,
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340
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parentNode = node;
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341
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342
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if (Y.Dom._canPosition(node) ) {
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xy = [node[OFFSET_LEFT], node[OFFSET_TOP]];
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docScrollLeft = Y.Dom.getDocumentScrollLeft(node[OWNER_DOCUMENT]);
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345
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docScrollTop = Y.Dom.getDocumentScrollTop(node[OWNER_DOCUMENT]);
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346
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347
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// TODO: refactor with !! or just falsey
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348
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bCheck = ((isGecko || UA.webkit > 519) ? true : false);
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349
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350
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// TODO: worth refactoring for TOP/LEFT only?
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351
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while ((parentNode = parentNode[OFFSET_PARENT])) {
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xy[0] += parentNode[OFFSET_LEFT];
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xy[1] += parentNode[OFFSET_TOP];
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354
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if (bCheck) {
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xy = Y.Dom._calcBorders(parentNode, xy);
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}
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357
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}
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359
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// account for any scrolled ancestors
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360
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if (Y.Dom._getStyle(node, POSITION) !== FIXED) {
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parentNode = node;
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362
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363
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while ((parentNode = parentNode[PARENT_NODE]) && parentNode[TAG_NAME]) {
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scrollTop = parentNode[SCROLL_TOP];
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365
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scrollLeft = parentNode[SCROLL_LEFT];
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366
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367
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//Firefox does something funky with borders when overflow is not visible.
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368
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if (isGecko && (Y.Dom._getStyle(parentNode, 'overflow') !== 'visible')) {
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369
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xy = Y.Dom._calcBorders(parentNode, xy);
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370
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}
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371
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372
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if (scrollTop || scrollLeft) {
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xy[0] -= scrollLeft;
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xy[1] -= scrollTop;
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}
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376
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}
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377
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xy[0] += docScrollLeft;
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378
|
xy[1] += docScrollTop;
|
|
379
|
|
|
380
|
} else {
|
|
381
|
//Fix FIXED position -- add scrollbars
|
|
382
|
if (isOpera) {
|
|
383
|
xy[0] -= docScrollLeft;
|
|
384
|
xy[1] -= docScrollTop;
|
|
385
|
} else if (isSafari || isGecko) {
|
|
386
|
xy[0] += docScrollLeft;
|
|
387
|
xy[1] += docScrollTop;
|
|
388
|
}
|
|
389
|
}
|
|
390
|
//Round the numbers so we get sane data back
|
|
391
|
xy[0] = Math.floor(xy[0]);
|
|
392
|
xy[1] = Math.floor(xy[1]);
|
|
393
|
} else {
|
|
394
|
YAHOO.log('getXY failed: element not positionable (either not in a document or not displayed)', 'error', 'Dom');
|
|
395
|
}
|
|
396
|
return xy;
|
|
397
|
};
|
|
398
|
}
|
|
399
|
}(), // NOTE: Executing for loadtime branching
|
|
400
|
|
|
401
|
/**
|
|
402
|
* 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).
|
|
403
|
* @method getX
|
|
404
|
* @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
|
|
405
|
* @return {Number | Array} The X position of the element(s)
|
|
406
|
*/
|
|
407
|
getX: function(el) {
|
|
408
|
var f = function(el) {
|
|
409
|
return Y.Dom.getXY(el)[0];
|
|
410
|
};
|
|
411
|
|
|
412
|
return Y.Dom.batch(el, f, Y.Dom, true);
|
|
413
|
},
|
|
414
|
|
|
415
|
/**
|
|
416
|
* 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).
|
|
417
|
* @method getY
|
|
418
|
* @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
|
|
419
|
* @return {Number | Array} The Y position of the element(s)
|
|
420
|
*/
|
|
421
|
getY: function(el) {
|
|
422
|
var f = function(el) {
|
|
423
|
return Y.Dom.getXY(el)[1];
|
|
424
|
};
|
|
425
|
|
|
426
|
return Y.Dom.batch(el, f, Y.Dom, true);
|
|
427
|
},
|
|
428
|
|
|
429
|
/**
|
|
430
|
* Set the position of an html element in page coordinates, regardless of how the element is positioned.
|
|
431
|
* The element(s) must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
|
|
432
|
* @method setXY
|
|
433
|
* @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
|
|
434
|
* @param {Array} pos Contains X & Y values for new position (coordinates are page-based)
|
|
435
|
* @param {Boolean} noRetry By default we try and set the position a second time if the first fails
|
|
436
|
*/
|
|
437
|
setXY: function(el, pos, noRetry) {
|
|
438
|
Y.Dom.batch(el, Y.Dom._setXY, { pos: pos, noRetry: noRetry });
|
|
439
|
},
|
|
440
|
|
|
441
|
_setXY: function(node, args) {
|
|
442
|
var pos = Y.Dom._getStyle(node, POSITION),
|
|
443
|
setStyle = Y.Dom.setStyle,
|
|
444
|
xy = args.pos,
|
|
445
|
noRetry = args.noRetry,
|
|
446
|
|
|
447
|
delta = [ // assuming pixels; if not we will have to retry
|
|
448
|
parseInt( Y.Dom.getComputedStyle(node, LEFT), 10 ),
|
|
449
|
parseInt( Y.Dom.getComputedStyle(node, TOP), 10 )
|
|
450
|
],
|
|
451
|
|
|
452
|
currentXY,
|
|
453
|
newXY;
|
|
454
|
|
|
455
|
if (pos == 'static') { // default to relative
|
|
456
|
pos = RELATIVE;
|
|
457
|
setStyle(node, POSITION, pos);
|
|
458
|
}
|
|
459
|
|
|
460
|
currentXY = Y.Dom._getXY(node);
|
|
461
|
|
|
462
|
if (!xy || currentXY === false) { // has to be part of doc to have xy
|
|
463
|
YAHOO.log('xy failed: node not available', 'error', 'Node');
|
|
464
|
return false;
|
|
465
|
}
|
|
466
|
|
|
467
|
if ( isNaN(delta[0]) ) {// in case of 'auto'
|
|
468
|
delta[0] = (pos == RELATIVE) ? 0 : node[OFFSET_LEFT];
|
|
469
|
}
|
|
470
|
if ( isNaN(delta[1]) ) { // in case of 'auto'
|
|
471
|
delta[1] = (pos == RELATIVE) ? 0 : node[OFFSET_TOP];
|
|
472
|
}
|
|
473
|
|
|
474
|
if (xy[0] !== null) { // from setX
|
|
475
|
setStyle(node, LEFT, xy[0] - currentXY[0] + delta[0] + 'px');
|
|
476
|
}
|
|
477
|
|
|
478
|
if (xy[1] !== null) { // from setY
|
|
479
|
setStyle(node, TOP, xy[1] - currentXY[1] + delta[1] + 'px');
|
|
480
|
}
|
|
481
|
|
|
482
|
if (!noRetry) {
|
|
483
|
newXY = Y.Dom._getXY(node);
|
|
484
|
|
|
485
|
// if retry is true, try one more time if we miss
|
|
486
|
if ( (xy[0] !== null && newXY[0] != xy[0]) ||
|
|
487
|
(xy[1] !== null && newXY[1] != xy[1]) ) {
|
|
488
|
Y.Dom._setXY(node, { pos: xy, noRetry: true });
|
|
489
|
}
|
|
490
|
}
|
|
491
|
|
|
492
|
YAHOO.log('setXY setting position to ' + xy, 'info', 'Node');
|
|
493
|
},
|
|
494
|
|
|
495
|
/**
|
|
496
|
* Set the X position of an html element in page coordinates, regardless of how the element is positioned.
|
|
497
|
* The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
|
|
498
|
* @method setX
|
|
499
|
* @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.
|
|
500
|
* @param {Int} x The value to use as the X coordinate for the element(s).
|
|
501
|
*/
|
|
502
|
setX: function(el, x) {
|
|
503
|
Y.Dom.setXY(el, [x, null]);
|
|
504
|
},
|
|
505
|
|
|
506
|
/**
|
|
507
|
* Set the Y position of an html element in page coordinates, regardless of how the element is positioned.
|
|
508
|
* The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
|
|
509
|
* @method setY
|
|
510
|
* @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.
|
|
511
|
* @param {Int} x To use as the Y coordinate for the element(s).
|
|
512
|
*/
|
|
513
|
setY: function(el, y) {
|
|
514
|
Y.Dom.setXY(el, [null, y]);
|
|
515
|
},
|
|
516
|
|
|
517
|
/**
|
|
518
|
* Returns the region position of the given element.
|
|
519
|
* The element must be part of the DOM tree to have a region (display:none or elements not appended return false).
|
|
520
|
* @method getRegion
|
|
521
|
* @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.
|
|
522
|
* @return {Region | Array} A Region or array of Region instances containing "top, left, bottom, right" member data.
|
|
523
|
*/
|
|
524
|
getRegion: function(el) {
|
|
525
|
var f = function(el) {
|
|
526
|
var region = false;
|
|
527
|
if ( Y.Dom._canPosition(el) ) {
|
|
528
|
region = Y.Region.getRegion(el);
|
|
529
|
YAHOO.log('getRegion returning ' + region, 'info', 'Dom');
|
|
530
|
} else {
|
|
531
|
YAHOO.log('getRegion failed: element not positionable (either not in a document or not displayed)', 'error', 'Dom');
|
|
532
|
}
|
|
533
|
|
|
534
|
return region;
|
|
535
|
};
|
|
536
|
|
|
537
|
return Y.Dom.batch(el, f, Y.Dom, true);
|
|
538
|
},
|
|
539
|
|
|
540
|
/**
|
|
541
|
* Returns the width of the client (viewport).
|
|
542
|
* @method getClientWidth
|
|
543
|
* @deprecated Now using getViewportWidth. This interface left intact for back compat.
|
|
544
|
* @return {Int} The width of the viewable area of the page.
|
|
545
|
*/
|
|
546
|
getClientWidth: function() {
|
|
547
|
return Y.Dom.getViewportWidth();
|
|
548
|
},
|
|
549
|
|
|
550
|
/**
|
|
551
|
* Returns the height of the client (viewport).
|
|
552
|
* @method getClientHeight
|
|
553
|
* @deprecated Now using getViewportHeight. This interface left intact for back compat.
|
|
554
|
* @return {Int} The height of the viewable area of the page.
|
|
555
|
*/
|
|
556
|
getClientHeight: function() {
|
|
557
|
return Y.Dom.getViewportHeight();
|
|
558
|
},
|
|
559
|
|
|
560
|
/**
|
|
561
|
* Returns an array of HTMLElements with the given class.
|
|
562
|
* For optimized performance, include a tag and/or root node when possible.
|
|
563
|
* Note: This method operates against a live collection, so modifying the
|
|
564
|
* collection in the callback (removing/appending nodes, etc.) will have
|
|
565
|
* side effects. Instead you should iterate the returned nodes array,
|
|
566
|
* as you would with the native "getElementsByTagName" method.
|
|
567
|
* @method getElementsByClassName
|
|
568
|
* @param {String} className The class name to match against
|
|
569
|
* @param {String} tag (optional) The tag name of the elements being collected
|
|
570
|
* @param {String | HTMLElement} root (optional) The HTMLElement or an ID to use as the starting point.
|
|
571
|
* This element is not included in the className scan.
|
|
572
|
* @param {Function} apply (optional) A function to apply to each element when found
|
|
573
|
* @param {Any} o (optional) An optional arg that is passed to the supplied method
|
|
574
|
* @param {Boolean} overrides (optional) Whether or not to override the scope of "method" with "o"
|
|
575
|
* @return {Array} An array of elements that have the given class name
|
|
576
|
*/
|
|
577
|
getElementsByClassName: function(className, tag, root, apply, o, overrides) {
|
|
578
|
tag = tag || '*';
|
|
579
|
root = (root) ? Y.Dom.get(root) : null || document;
|
|
580
|
if (!root) {
|
|
581
|
return [];
|
|
582
|
}
|
|
583
|
|
|
584
|
var nodes = [],
|
|
585
|
elements = root.getElementsByTagName(tag),
|
|
586
|
hasClass = Y.Dom.hasClass;
|
|
587
|
|
|
588
|
for (var i = 0, len = elements.length; i < len; ++i) {
|
|
589
|
if ( hasClass(elements[i], className) ) {
|
|
590
|
nodes[nodes.length] = elements[i];
|
|
591
|
}
|
|
592
|
}
|
|
593
|
|
|
594
|
if (apply) {
|
|
595
|
Y.Dom.batch(nodes, apply, o, overrides);
|
|
596
|
}
|
|
597
|
|
|
598
|
return nodes;
|
|
599
|
},
|
|
600
|
|
|
601
|
/**
|
|
602
|
* Determines whether an HTMLElement has the given className.
|
|
603
|
* @method hasClass
|
|
604
|
* @param {String | HTMLElement | Array} el The element or collection to test
|
|
605
|
* @param {String} className the class name to search for
|
|
606
|
* @return {Boolean | Array} A boolean value or array of boolean values
|
|
607
|
*/
|
|
608
|
hasClass: function(el, className) {
|
|
609
|
return Y.Dom.batch(el, Y.Dom._hasClass, className);
|
|
610
|
},
|
|
611
|
|
|
612
|
_hasClass: function(el, className) {
|
|
613
|
var ret = false,
|
|
614
|
current;
|
|
615
|
|
|
616
|
if (el && className) {
|
|
617
|
current = Y.Dom._getAttribute(el, CLASS_NAME) || EMPTY;
|
|
618
|
if (className.exec) {
|
|
619
|
ret = className.test(current);
|
|
620
|
} else {
|
|
621
|
ret = className && (SPACE + current + SPACE).
|
|
622
|
indexOf(SPACE + className + SPACE) > -1;
|
|
623
|
}
|
|
624
|
} else {
|
|
625
|
YAHOO.log('hasClass called with invalid arguments', 'warn', 'Dom');
|
|
626
|
}
|
|
627
|
|
|
628
|
return ret;
|
|
629
|
},
|
|
630
|
|
|
631
|
/**
|
|
632
|
* Adds a class name to a given element or collection of elements.
|
|
633
|
* @method addClass
|
|
634
|
* @param {String | HTMLElement | Array} el The element or collection to add the class to
|
|
635
|
* @param {String} className the class name to add to the class attribute
|
|
636
|
* @return {Boolean | Array} A pass/fail boolean or array of booleans
|
|
637
|
*/
|
|
638
|
addClass: function(el, className) {
|
|
639
|
return Y.Dom.batch(el, Y.Dom._addClass, className);
|
|
640
|
},
|
|
641
|
|
|
642
|
_addClass: function(el, className) {
|
|
643
|
var ret = false,
|
|
644
|
current;
|
|
645
|
|
|
646
|
if (el && className) {
|
|
647
|
current = Y.Dom._getAttribute(el, CLASS_NAME) || EMPTY;
|
|
648
|
if ( !Y.Dom._hasClass(el, className) ) {
|
|
649
|
Y.Dom.setAttribute(el, CLASS_NAME, trim(current + SPACE + className));
|
|
650
|
ret = true;
|
|
651
|
}
|
|
652
|
} else {
|
|
653
|
YAHOO.log('addClass called with invalid arguments', 'warn', 'Dom');
|
|
654
|
}
|
|
655
|
|
|
656
|
return ret;
|
|
657
|
},
|
|
658
|
|
|
659
|
/**
|
|
660
|
* Removes a class name from a given element or collection of elements.
|
|
661
|
* @method removeClass
|
|
662
|
* @param {String | HTMLElement | Array} el The element or collection to remove the class from
|
|
663
|
* @param {String} className the class name to remove from the class attribute
|
|
664
|
* @return {Boolean | Array} A pass/fail boolean or array of booleans
|
|
665
|
*/
|
|
666
|
removeClass: function(el, className) {
|
|
667
|
return Y.Dom.batch(el, Y.Dom._removeClass, className);
|
|
668
|
},
|
|
669
|
|
|
670
|
_removeClass: function(el, className) {
|
|
671
|
var ret = false,
|
|
672
|
current,
|
|
673
|
newClass,
|
|
674
|
attr;
|
|
675
|
|
|
676
|
if (el && className) {
|
|
677
|
current = Y.Dom._getAttribute(el, CLASS_NAME) || EMPTY;
|
|
678
|
Y.Dom.setAttribute(el, CLASS_NAME, current.replace(Y.Dom._getClassRegex(className), EMPTY));
|
|
679
|
|
|
680
|
newClass = Y.Dom._getAttribute(el, CLASS_NAME);
|
|
681
|
if (current !== newClass) { // else nothing changed
|
|
682
|
Y.Dom.setAttribute(el, CLASS_NAME, trim(newClass)); // trim after comparing to current class
|
|
683
|
ret = true;
|
|
684
|
|
|
685
|
if (Y.Dom._getAttribute(el, CLASS_NAME) === '') { // remove class attribute if empty
|
|
686
|
attr = (el.hasAttribute && el.hasAttribute(_CLASS)) ? _CLASS : CLASS_NAME;
|
|
687
|
YAHOO.log('removeClass removing empty class attribute', 'info', 'Dom');
|
|
688
|
el.removeAttribute(attr);
|
|
689
|
}
|
|
690
|
}
|
|
691
|
|
|
692
|
} else {
|
|
693
|
YAHOO.log('removeClass called with invalid arguments', 'warn', 'Dom');
|
|
694
|
}
|
|
695
|
|
|
696
|
return ret;
|
|
697
|
},
|
|
698
|
|
|
699
|
/**
|
|
700
|
* Replace a class with another class for a given element or collection of elements.
|
|
701
|
* If no oldClassName is present, the newClassName is simply added.
|
|
702
|
* @method replaceClass
|
|
703
|
* @param {String | HTMLElement | Array} el The element or collection to remove the class from
|
|
704
|
* @param {String} oldClassName the class name to be replaced
|
|
705
|
* @param {String} newClassName the class name that will be replacing the old class name
|
|
706
|
* @return {Boolean | Array} A pass/fail boolean or array of booleans
|
|
707
|
*/
|
|
708
|
replaceClass: function(el, oldClassName, newClassName) {
|
|
709
|
return Y.Dom.batch(el, Y.Dom._replaceClass, { from: oldClassName, to: newClassName });
|
|
710
|
},
|
|
711
|
|
|
712
|
_replaceClass: function(el, classObj) {
|
|
713
|
var className,
|
|
714
|
from,
|
|
715
|
to,
|
|
716
|
ret = false,
|
|
717
|
current;
|
|
718
|
|
|
719
|
if (el && classObj) {
|
|
720
|
from = classObj.from;
|
|
721
|
to = classObj.to;
|
|
722
|
|
|
723
|
if (!to) {
|
|
724
|
ret = false;
|
|
725
|
} else if (!from) { // just add if no "from"
|
|
726
|
ret = Y.Dom._addClass(el, classObj.to);
|
|
727
|
} else if (from !== to) { // else nothing to replace
|
|
728
|
// May need to lead with DBLSPACE?
|
|
729
|
current = Y.Dom._getAttribute(el, CLASS_NAME) || EMPTY;
|
|
730
|
className = (SPACE + current.replace(Y.Dom._getClassRegex(from), SPACE + to)).
|
|
731
|
split(Y.Dom._getClassRegex(to));
|
|
732
|
|
|
733
|
// insert to into what would have been the first occurrence slot
|
|
734
|
className.splice(1, 0, SPACE + to);
|
|
735
|
Y.Dom.setAttribute(el, CLASS_NAME, trim(className.join(EMPTY)));
|
|
736
|
ret = true;
|
|
737
|
}
|
|
738
|
} else {
|
|
739
|
YAHOO.log('replaceClass called with invalid arguments', 'warn', 'Dom');
|
|
740
|
}
|
|
741
|
|
|
742
|
return ret;
|
|
743
|
},
|
|
744
|
|
|
745
|
/**
|
|
746
|
* Returns an ID and applies it to the element "el", if provided.
|
|
747
|
* @method generateId
|
|
748
|
* @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).
|
|
749
|
* @param {String} prefix (optional) an optional prefix to use (defaults to "yui-gen").
|
|
750
|
* @return {String | Array} The generated ID, or array of generated IDs (or original ID if already present on an element)
|
|
751
|
*/
|
|
752
|
generateId: function(el, prefix) {
|
|
753
|
prefix = prefix || 'yui-gen';
|
|
754
|
|
|
755
|
var f = function(el) {
|
|
756
|
if (el && el.id) { // do not override existing ID
|
|
757
|
YAHOO.log('generateId returning existing id ' + el.id, 'info', 'Dom');
|
|
758
|
return el.id;
|
|
759
|
}
|
|
760
|
|
|
761
|
var id = prefix + YAHOO.env._id_counter++;
|
|
762
|
YAHOO.log('generateId generating ' + id, 'info', 'Dom');
|
|
763
|
|
|
764
|
if (el) {
|
|
765
|
if (el[OWNER_DOCUMENT] && el[OWNER_DOCUMENT].getElementById(id)) { // in case one already exists
|
|
766
|
// use failed id plus prefix to help ensure uniqueness
|
|
767
|
return Y.Dom.generateId(el, id + prefix);
|
|
768
|
}
|
|
769
|
el.id = id;
|
|
770
|
}
|
|
771
|
|
|
772
|
return id;
|
|
773
|
};
|
|
774
|
|
|
775
|
// batch fails when no element, so just generate and return single ID
|
|
776
|
return Y.Dom.batch(el, f, Y.Dom, true) || f.apply(Y.Dom, arguments);
|
|
777
|
},
|
|
778
|
|
|
779
|
/**
|
|
780
|
* Determines whether an HTMLElement is an ancestor of another HTML element in the DOM hierarchy.
|
|
781
|
* @method isAncestor
|
|
782
|
* @param {String | HTMLElement} haystack The possible ancestor
|
|
783
|
* @param {String | HTMLElement} needle The possible descendent
|
|
784
|
* @return {Boolean} Whether or not the haystack is an ancestor of needle
|
|
785
|
*/
|
|
786
|
isAncestor: function(haystack, needle) {
|
|
787
|
haystack = Y.Dom.get(haystack);
|
|
788
|
needle = Y.Dom.get(needle);
|
|
789
|
|
|
790
|
var ret = false;
|
|
791
|
|
|
792
|
if ( (haystack && needle) && (haystack[NODE_TYPE] && needle[NODE_TYPE]) ) {
|
|
793
|
if (haystack.contains && haystack !== needle) { // contains returns true when equal
|
|
794
|
ret = haystack.contains(needle);
|
|
795
|
}
|
|
796
|
else if (haystack.compareDocumentPosition) { // gecko
|
|
797
|
ret = !!(haystack.compareDocumentPosition(needle) & 16);
|
|
798
|
}
|
|
799
|
} else {
|
|
800
|
YAHOO.log('isAncestor failed; invalid input: ' + haystack + ',' + needle, 'error', 'Dom');
|
|
801
|
}
|
|
802
|
YAHOO.log('isAncestor(' + haystack + ',' + needle + ' returning ' + ret, 'info', 'Dom');
|
|
803
|
return ret;
|
|
804
|
},
|
|
805
|
|
|
806
|
/**
|
|
807
|
* Determines whether an HTMLElement is present in the current document.
|
|
808
|
* @method inDocument
|
|
809
|
* @param {String | HTMLElement} el The element to search for
|
|
810
|
* @param {Object} doc An optional document to search, defaults to element's owner document
|
|
811
|
* @return {Boolean} Whether or not the element is present in the current document
|
|
812
|
*/
|
|
813
|
inDocument: function(el, doc) {
|
|
814
|
return Y.Dom._inDoc(Y.Dom.get(el), doc);
|
|
815
|
},
|
|
816
|
|
|
817
|
_inDoc: function(el, doc) {
|
|
818
|
var ret = false;
|
|
819
|
if (el && el[TAG_NAME]) {
|
|
820
|
doc = doc || el[OWNER_DOCUMENT];
|
|
821
|
ret = Y.Dom.isAncestor(doc[DOCUMENT_ELEMENT], el);
|
|
822
|
} else {
|
|
823
|
YAHOO.log('inDocument failed: invalid input', 'error', 'Dom');
|
|
824
|
}
|
|
825
|
return ret;
|
|
826
|
},
|
|
827
|
|
|
828
|
/**
|
|
829
|
* Returns an array of HTMLElements that pass the test applied by supplied boolean method.
|
|
830
|
* For optimized performance, include a tag and/or root node when possible.
|
|
831
|
* Note: This method operates against a live collection, so modifying the
|
|
832
|
* collection in the callback (removing/appending nodes, etc.) will have
|
|
833
|
* side effects. Instead you should iterate the returned nodes array,
|
|
834
|
* as you would with the native "getElementsByTagName" method.
|
|
835
|
* @method getElementsBy
|
|
836
|
* @param {Function} method - A boolean method for testing elements which receives the element as its only argument.
|
|
837
|
* @param {String} tag (optional) The tag name of the elements being collected
|
|
838
|
* @param {String | HTMLElement} root (optional) The HTMLElement or an ID to use as the starting point
|
|
839
|
* @param {Function} apply (optional) A function to apply to each element when found
|
|
840
|
* @param {Any} o (optional) An optional arg that is passed to the supplied method
|
|
841
|
* @param {Boolean} overrides (optional) Whether or not to override the scope of "method" with "o"
|
|
842
|
* @return {Array} Array of HTMLElements
|
|
843
|
*/
|
|
844
|
getElementsBy: function(method, tag, root, apply, o, overrides, firstOnly) {
|
|
845
|
tag = tag || '*';
|
|
846
|
root = (root) ? Y.Dom.get(root) : null || document;
|
|
847
|
|
|
848
|
if (!root) {
|
|
849
|
return [];
|
|
850
|
}
|
|
851
|
|
|
852
|
var nodes = [],
|
|
853
|
elements = root.getElementsByTagName(tag);
|
|
854
|
|
|
855
|
for (var i = 0, len = elements.length; i < len; ++i) {
|
|
856
|
if ( method(elements[i]) ) {
|
|
857
|
if (firstOnly) {
|
|
858
|
nodes = elements[i];
|
|
859
|
break;
|
|
860
|
} else {
|
|
861
|
nodes[nodes.length] = elements[i];
|
|
862
|
}
|
|
863
|
}
|
|
864
|
}
|
|
865
|
|
|
866
|
if (apply) {
|
|
867
|
Y.Dom.batch(nodes, apply, o, overrides);
|
|
868
|
}
|
|
869
|
|
|
870
|
YAHOO.log('getElementsBy returning ' + nodes, 'info', 'Dom');
|
|
871
|
|
|
872
|
return nodes;
|
|
873
|
},
|
|
874
|
|
|
875
|
/**
|
|
876
|
* Returns the first HTMLElement that passes the test applied by the supplied boolean method.
|
|
877
|
* @method getElementBy
|
|
878
|
* @param {Function} method - A boolean method for testing elements which receives the element as its only argument.
|
|
879
|
* @param {String} tag (optional) The tag name of the elements being collected
|
|
880
|
* @param {String | HTMLElement} root (optional) The HTMLElement or an ID to use as the starting point
|
|
881
|
* @return {HTMLElement}
|
|
882
|
*/
|
|
883
|
getElementBy: function(method, tag, root) {
|
|
884
|
return Y.Dom.getElementsBy(method, tag, root, null, null, null, true);
|
|
885
|
},
|
|
886
|
|
|
887
|
/**
|
|
888
|
* Runs the supplied method against each item in the Collection/Array.
|
|
889
|
* The method is called with the element(s) as the first arg, and the optional param as the second ( method(el, o) ).
|
|
890
|
* @method batch
|
|
891
|
* @param {String | HTMLElement | Array} el (optional) An element or array of elements to apply the method to
|
|
892
|
* @param {Function} method The method to apply to the element(s)
|
|
893
|
* @param {Any} o (optional) An optional arg that is passed to the supplied method
|
|
894
|
* @param {Boolean} overrides (optional) Whether or not to override the scope of "method" with "o"
|
|
895
|
* @return {Any | Array} The return value(s) from the supplied method
|
|
896
|
*/
|
|
897
|
batch: function(el, method, o, overrides) {
|
|
898
|
var collection = [],
|
|
899
|
scope = (overrides) ? o : window;
|
|
900
|
|
|
901
|
el = (el && (el[TAG_NAME] || el.item)) ? el : Y.Dom.get(el); // skip get() when possible
|
|
902
|
if (el && method) {
|
|
903
|
if (el[TAG_NAME] || el.length === undefined) { // element or not array-like
|
|
904
|
return method.call(scope, el, o);
|
|
905
|
}
|
|
906
|
|
|
907
|
for (var i = 0; i < el.length; ++i) {
|
|
908
|
collection[collection.length] = method.call(scope, el[i], o);
|
|
909
|
}
|
|
910
|
} else {
|
|
911
|
YAHOO.log('batch called with invalid arguments', 'warn', 'Dom');
|
|
912
|
return false;
|
|
913
|
}
|
|
914
|
return collection;
|
|
915
|
},
|
|
916
|
|
|
917
|
/**
|
|
918
|
* Returns the height of the document.
|
|
919
|
* @method getDocumentHeight
|
|
920
|
* @return {Int} The height of the actual document (which includes the body and its margin).
|
|
921
|
*/
|
|
922
|
getDocumentHeight: function() {
|
|
923
|
var scrollHeight = (document[COMPAT_MODE] != CSS1_COMPAT || isSafari) ? document.body.scrollHeight : documentElement.scrollHeight,
|
|
924
|
h = Math.max(scrollHeight, Y.Dom.getViewportHeight());
|
|
925
|
|
|
926
|
YAHOO.log('getDocumentHeight returning ' + h, 'info', 'Dom');
|
|
927
|
return h;
|
|
928
|
},
|
|
929
|
|
|
930
|
/**
|
|
931
|
* Returns the width of the document.
|
|
932
|
* @method getDocumentWidth
|
|
933
|
* @return {Int} The width of the actual document (which includes the body and its margin).
|
|
934
|
*/
|
|
935
|
getDocumentWidth: function() {
|
|
936
|
var scrollWidth = (document[COMPAT_MODE] != CSS1_COMPAT || isSafari) ? document.body.scrollWidth : documentElement.scrollWidth,
|
|
937
|
w = Math.max(scrollWidth, Y.Dom.getViewportWidth());
|
|
938
|
YAHOO.log('getDocumentWidth returning ' + w, 'info', 'Dom');
|
|
939
|
return w;
|
|
940
|
},
|
|
941
|
|
|
942
|
/**
|
|
943
|
* Returns the current height of the viewport.
|
|
944
|
* @method getViewportHeight
|
|
945
|
* @return {Int} The height of the viewable area of the page (excludes scrollbars).
|
|
946
|
*/
|
|
947
|
getViewportHeight: function() {
|
|
948
|
var height = self.innerHeight, // Safari, Opera
|
|
949
|
mode = document[COMPAT_MODE];
|
|
950
|
|
|
951
|
if ( (mode || isIE) && !isOpera ) { // IE, Gecko
|
|
952
|
height = (mode == CSS1_COMPAT) ?
|
|
953
|
documentElement.clientHeight : // Standards
|
|
954
|
document.body.clientHeight; // Quirks
|
|
955
|
}
|
|
956
|
|
|
957
|
YAHOO.log('getViewportHeight returning ' + height, 'info', 'Dom');
|
|
958
|
return height;
|
|
959
|
},
|
|
960
|
|
|
961
|
/**
|
|
962
|
* Returns the current width of the viewport.
|
|
963
|
* @method getViewportWidth
|
|
964
|
* @return {Int} The width of the viewable area of the page (excludes scrollbars).
|
|
965
|
*/
|
|
966
|
|
|
967
|
getViewportWidth: function() {
|
|
968
|
var width = self.innerWidth, // Safari
|
|
969
|
mode = document[COMPAT_MODE];
|
|
970
|
|
|
971
|
if (mode || isIE) { // IE, Gecko, Opera
|
|
972
|
width = (mode == CSS1_COMPAT) ?
|
|
973
|
documentElement.clientWidth : // Standards
|
|
974
|
document.body.clientWidth; // Quirks
|
|
975
|
}
|
|
976
|
YAHOO.log('getViewportWidth returning ' + width, 'info', 'Dom');
|
|
977
|
return width;
|
|
978
|
},
|
|
979
|
|
|
980
|
/**
|
|
981
|
* Returns the nearest ancestor that passes the test applied by supplied boolean method.
|
|
982
|
* For performance reasons, IDs are not accepted and argument validation omitted.
|
|
983
|
* @method getAncestorBy
|
|
984
|
* @param {HTMLElement} node The HTMLElement to use as the starting point
|
|
985
|
* @param {Function} method - A boolean method for testing elements which receives the element as its only argument.
|
|
986
|
* @return {Object} HTMLElement or null if not found
|
|
987
|
*/
|
|
988
|
getAncestorBy: function(node, method) {
|
|
989
|
while ( (node = node[PARENT_NODE]) ) { // NOTE: assignment
|
|
990
|
if ( Y.Dom._testElement(node, method) ) {
|
|
991
|
YAHOO.log('getAncestorBy returning ' + node, 'info', 'Dom');
|
|
992
|
return node;
|
|
993
|
}
|
|
994
|
}
|
|
995
|
|
|
996
|
YAHOO.log('getAncestorBy returning null (no ancestor passed test)', 'error', 'Dom');
|
|
997
|
return null;
|
|
998
|
},
|
|
999
|
|
|
1000
|
/**
|
|
1001
|
* Returns the nearest ancestor with the given className.
|
|
1002
|
* @method getAncestorByClassName
|
|
1003
|
* @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point
|
|
1004
|
* @param {String} className
|
|
1005
|
* @return {Object} HTMLElement
|
|
1006
|
*/
|
|
1007
|
getAncestorByClassName: function(node, className) {
|
|
1008
|
node = Y.Dom.get(node);
|
|
1009
|
if (!node) {
|
|
1010
|
YAHOO.log('getAncestorByClassName failed: invalid node argument', 'error', 'Dom');
|
|
1011
|
return null;
|
|
1012
|
}
|
|
1013
|
var method = function(el) { return Y.Dom.hasClass(el, className); };
|
|
1014
|
return Y.Dom.getAncestorBy(node, method);
|
|
1015
|
},
|
|
1016
|
|
|
1017
|
/**
|
|
1018
|
* Returns the nearest ancestor with the given tagName.
|
|
1019
|
* @method getAncestorByTagName
|
|
1020
|
* @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point
|
|
1021
|
* @param {String} tagName
|
|
1022
|
* @return {Object} HTMLElement
|
|
1023
|
*/
|
|
1024
|
getAncestorByTagName: function(node, tagName) {
|
|
1025
|
node = Y.Dom.get(node);
|
|
1026
|
if (!node) {
|
|
1027
|
YAHOO.log('getAncestorByTagName failed: invalid node argument', 'error', 'Dom');
|
|
1028
|
return null;
|
|
1029
|
}
|
|
1030
|
var method = function(el) {
|
|
1031
|
return el[TAG_NAME] && el[TAG_NAME].toUpperCase() == tagName.toUpperCase();
|
|
1032
|
};
|
|
1033
|
|
|
1034
|
return Y.Dom.getAncestorBy(node, method);
|
|
1035
|
},
|
|
1036
|
|
|
1037
|
/**
|
|
1038
|
* Returns the previous sibling that is an HTMLElement.
|
|
1039
|
* For performance reasons, IDs are not accepted and argument validation omitted.
|
|
1040
|
* Returns the nearest HTMLElement sibling if no method provided.
|
|
1041
|
* @method getPreviousSiblingBy
|
|
1042
|
* @param {HTMLElement} node The HTMLElement to use as the starting point
|
|
1043
|
* @param {Function} method A boolean function used to test siblings
|
|
1044
|
* that receives the sibling node being tested as its only argument
|
|
1045
|
* @return {Object} HTMLElement or null if not found
|
|
1046
|
*/
|
|
1047
|
getPreviousSiblingBy: function(node, method) {
|
|
1048
|
while (node) {
|
|
1049
|
node = node.previousSibling;
|
|
1050
|
if ( Y.Dom._testElement(node, method) ) {
|
|
1051
|
return node;
|
|
1052
|
}
|
|
1053
|
}
|
|
1054
|
return null;
|
|
1055
|
},
|
|
1056
|
|
|
1057
|
/**
|
|
1058
|
* Returns the previous sibling that is an HTMLElement
|
|
1059
|
* @method getPreviousSibling
|
|
1060
|
* @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point
|
|
1061
|
* @return {Object} HTMLElement or null if not found
|
|
1062
|
*/
|
|
1063
|
getPreviousSibling: function(node) {
|
|
1064
|
node = Y.Dom.get(node);
|
|
1065
|
if (!node) {
|
|
1066
|
YAHOO.log('getPreviousSibling failed: invalid node argument', 'error', 'Dom');
|
|
1067
|
return null;
|
|
1068
|
}
|
|
1069
|
|
|
1070
|
return Y.Dom.getPreviousSiblingBy(node);
|
|
1071
|
},
|
|
1072
|
|
|
1073
|
/**
|
|
1074
|
* Returns the next HTMLElement sibling that passes the boolean method.
|
|
1075
|
* For performance reasons, IDs are not accepted and argument validation omitted.
|
|
1076
|
* Returns the nearest HTMLElement sibling if no method provided.
|
|
1077
|
* @method getNextSiblingBy
|
|
1078
|
* @param {HTMLElement} node The HTMLElement to use as the starting point
|
|
1079
|
* @param {Function} method A boolean function used to test siblings
|
|
1080
|
* that receives the sibling node being tested as its only argument
|
|
1081
|
* @return {Object} HTMLElement or null if not found
|
|
1082
|
*/
|
|
1083
|
getNextSiblingBy: function(node, method) {
|
|
1084
|
while (node) {
|
|
1085
|
node = node.nextSibling;
|
|
1086
|
if ( Y.Dom._testElement(node, method) ) {
|
|
1087
|
return node;
|
|
1088
|
}
|
|
1089
|
}
|
|
1090
|
return null;
|
|
1091
|
},
|
|
1092
|
|
|
1093
|
/**
|
|
1094
|
* Returns the next sibling that is an HTMLElement
|
|
1095
|
* @method getNextSibling
|
|
1096
|
* @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point
|
|
1097
|
* @return {Object} HTMLElement or null if not found
|
|
1098
|
*/
|
|
1099
|
getNextSibling: function(node) {
|
|
1100
|
node = Y.Dom.get(node);
|
|
1101
|
if (!node) {
|
|
1102
|
YAHOO.log('getNextSibling failed: invalid node argument', 'error', 'Dom');
|
|
1103
|
return null;
|
|
1104
|
}
|
|
1105
|
|
|
1106
|
return Y.Dom.getNextSiblingBy(node);
|
|
1107
|
},
|
|
1108
|
|
|
1109
|
/**
|
|
1110
|
* Returns the first HTMLElement child that passes the test method.
|
|
1111
|
* @method getFirstChildBy
|
|
1112
|
* @param {HTMLElement} node The HTMLElement to use as the starting point
|
|
1113
|
* @param {Function} method A boolean function used to test children
|
|
1114
|
* that receives the node being tested as its only argument
|
|
1115
|
* @return {Object} HTMLElement or null if not found
|
|
1116
|
*/
|
|
1117
|
getFirstChildBy: function(node, method) {
|
|
1118
|
var child = ( Y.Dom._testElement(node.firstChild, method) ) ? node.firstChild : null;
|
|
1119
|
return child || Y.Dom.getNextSiblingBy(node.firstChild, method);
|
|
1120
|
},
|
|
1121
|
|
|
1122
|
/**
|
|
1123
|
* Returns the first HTMLElement child.
|
|
1124
|
* @method getFirstChild
|
|
1125
|
* @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point
|
|
1126
|
* @return {Object} HTMLElement or null if not found
|
|
1127
|
*/
|
|
1128
|
getFirstChild: function(node, method) {
|
|
1129
|
node = Y.Dom.get(node);
|
|
1130
|
if (!node) {
|
|
1131
|
YAHOO.log('getFirstChild failed: invalid node argument', 'error', 'Dom');
|
|
1132
|
return null;
|
|
1133
|
}
|
|
1134
|
return Y.Dom.getFirstChildBy(node);
|
|
1135
|
},
|
|
1136
|
|
|
1137
|
/**
|
|
1138
|
* Returns the last HTMLElement child that passes the test method.
|
|
1139
|
* @method getLastChildBy
|
|
1140
|
* @param {HTMLElement} node The HTMLElement to use as the starting point
|
|
1141
|
* @param {Function} method A boolean function used to test children
|
|
1142
|
* that receives the node being tested as its only argument
|
|
1143
|
* @return {Object} HTMLElement or null if not found
|
|
1144
|
*/
|
|
1145
|
getLastChildBy: function(node, method) {
|
|
1146
|
if (!node) {
|
|
1147
|
YAHOO.log('getLastChild failed: invalid node argument', 'error', 'Dom');
|
|
1148
|
return null;
|
|
1149
|
}
|
|
1150
|
var child = ( Y.Dom._testElement(node.lastChild, method) ) ? node.lastChild : null;
|
|
1151
|
return child || Y.Dom.getPreviousSiblingBy(node.lastChild, method);
|
|
1152
|
},
|
|
1153
|
|
|
1154
|
/**
|
|
1155
|
* Returns the last HTMLElement child.
|
|
1156
|
* @method getLastChild
|
|
1157
|
* @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point
|
|
1158
|
* @return {Object} HTMLElement or null if not found
|
|
1159
|
*/
|
|
1160
|
getLastChild: function(node) {
|
|
1161
|
node = Y.Dom.get(node);
|
|
1162
|
return Y.Dom.getLastChildBy(node);
|
|
1163
|
},
|
|
1164
|
|
|
1165
|
/**
|
|
1166
|
* Returns an array of HTMLElement childNodes that pass the test method.
|
|
1167
|
* @method getChildrenBy
|
|
1168
|
* @param {HTMLElement} node The HTMLElement to start from
|
|
1169
|
* @param {Function} method A boolean function used to test children
|
|
1170
|
* that receives the node being tested as its only argument
|
|
1171
|
* @return {Array} A static array of HTMLElements
|
|
1172
|
*/
|
|
1173
|
getChildrenBy: function(node, method) {
|
|
1174
|
var child = Y.Dom.getFirstChildBy(node, method),
|
|
1175
|
children = child ? [child] : [];
|
|
1176
|
|
|
1177
|
Y.Dom.getNextSiblingBy(child, function(node) {
|
|
1178
|
if ( !method || method(node) ) {
|
|
1179
|
children[children.length] = node;
|
|
1180
|
}
|
|
1181
|
return false; // fail test to collect all children
|
|
1182
|
});
|
|
1183
|
|
|
1184
|
return children;
|
|
1185
|
},
|
|
1186
|
|
|
1187
|
/**
|
|
1188
|
* Returns an array of HTMLElement childNodes.
|
|
1189
|
* @method getChildren
|
|
1190
|
* @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point
|
|
1191
|
* @return {Array} A static array of HTMLElements
|
|
1192
|
*/
|
|
1193
|
getChildren: function(node) {
|
|
1194
|
node = Y.Dom.get(node);
|
|
1195
|
if (!node) {
|
|
1196
|
YAHOO.log('getChildren failed: invalid node argument', 'error', 'Dom');
|
|
1197
|
}
|
|
1198
|
|
|
1199
|
return Y.Dom.getChildrenBy(node);
|
|
1200
|
},
|
|
1201
|
|
|
1202
|
/**
|
|
1203
|
* Returns the left scroll value of the document
|
|
1204
|
* @method getDocumentScrollLeft
|
|
1205
|
* @param {HTMLDocument} document (optional) The document to get the scroll value of
|
|
1206
|
* @return {Int} The amount that the document is scrolled to the left
|
|
1207
|
*/
|
|
1208
|
getDocumentScrollLeft: function(doc) {
|
|
1209
|
doc = doc || document;
|
|
1210
|
return Math.max(doc[DOCUMENT_ELEMENT].scrollLeft, doc.body.scrollLeft);
|
|
1211
|
},
|
|
1212
|
|
|
1213
|
/**
|
|
1214
|
* Returns the top scroll value of the document
|
|
1215
|
* @method getDocumentScrollTop
|
|
1216
|
* @param {HTMLDocument} document (optional) The document to get the scroll value of
|
|
1217
|
* @return {Int} The amount that the document is scrolled to the top
|
|
1218
|
*/
|
|
1219
|
getDocumentScrollTop: function(doc) {
|
|
1220
|
doc = doc || document;
|
|
1221
|
return Math.max(doc[DOCUMENT_ELEMENT].scrollTop, doc.body.scrollTop);
|
|
1222
|
},
|
|
1223
|
|
|
1224
|
/**
|
|
1225
|
* Inserts the new node as the previous sibling of the reference node
|
|
1226
|
* @method insertBefore
|
|
1227
|
* @param {String | HTMLElement} newNode The node to be inserted
|
|
1228
|
* @param {String | HTMLElement} referenceNode The node to insert the new node before
|
|
1229
|
* @return {HTMLElement} The node that was inserted (or null if insert fails)
|
|
1230
|
*/
|
|
1231
|
insertBefore: function(newNode, referenceNode) {
|
|
1232
|
newNode = Y.Dom.get(newNode);
|
|
1233
|
referenceNode = Y.Dom.get(referenceNode);
|
|
1234
|
|
|
1235
|
if (!newNode || !referenceNode || !referenceNode[PARENT_NODE]) {
|
|
1236
|
YAHOO.log('insertAfter failed: missing or invalid arg(s)', 'error', 'Dom');
|
|
1237
|
return null;
|
|
1238
|
}
|
|
1239
|
|
|
1240
|
return referenceNode[PARENT_NODE].insertBefore(newNode, referenceNode);
|
|
1241
|
},
|
|
1242
|
|
|
1243
|
/**
|
|
1244
|
* Inserts the new node as the next sibling of the reference node
|
|
1245
|
* @method insertAfter
|
|
1246
|
* @param {String | HTMLElement} newNode The node to be inserted
|
|
1247
|
* @param {String | HTMLElement} referenceNode The node to insert the new node after
|
|
1248
|
* @return {HTMLElement} The node that was inserted (or null if insert fails)
|
|
1249
|
*/
|
|
1250
|
insertAfter: function(newNode, referenceNode) {
|
|
1251
|
newNode = Y.Dom.get(newNode);
|
|
1252
|
referenceNode = Y.Dom.get(referenceNode);
|
|
1253
|
|
|
1254
|
if (!newNode || !referenceNode || !referenceNode[PARENT_NODE]) {
|
|
1255
|
YAHOO.log('insertAfter failed: missing or invalid arg(s)', 'error', 'Dom');
|
|
1256
|
return null;
|
|
1257
|
}
|
|
1258
|
|
|
1259
|
if (referenceNode.nextSibling) {
|
|
1260
|
return referenceNode[PARENT_NODE].insertBefore(newNode, referenceNode.nextSibling);
|
|
1261
|
} else {
|
|
1262
|
return referenceNode[PARENT_NODE].appendChild(newNode);
|
|
1263
|
}
|
|
1264
|
},
|
|
1265
|
|
|
1266
|
/**
|
|
1267
|
* Creates a Region based on the viewport relative to the document.
|
|
1268
|
* @method getClientRegion
|
|
1269
|
* @return {Region} A Region object representing the viewport which accounts for document scroll
|
|
1270
|
*/
|
|
1271
|
getClientRegion: function() {
|
|
1272
|
var t = Y.Dom.getDocumentScrollTop(),
|
|
1273
|
l = Y.Dom.getDocumentScrollLeft(),
|
|
1274
|
r = Y.Dom.getViewportWidth() + l,
|
|
1275
|
b = Y.Dom.getViewportHeight() + t;
|
|
1276
|
|
|
1277
|
return new Y.Region(t, r, b, l);
|
|
1278
|
},
|
|
1279
|
|
|
1280
|
/**
|
|
1281
|
* Provides a normalized attribute interface.
|
|
1282
|
* @method setAttribute
|
|
1283
|
* @param {String | HTMLElement} el The target element for the attribute.
|
|
1284
|
* @param {String} attr The attribute to set.
|
|
1285
|
* @param {String} val The value of the attribute.
|
|
1286
|
*/
|
|
1287
|
setAttribute: function(el, attr, val) {
|
|
1288
|
Y.Dom.batch(el, Y.Dom._setAttribute, { attr: attr, val: val });
|
|
1289
|
},
|
|
1290
|
|
|
1291
|
_setAttribute: function(el, args) {
|
|
1292
|
var attr = Y.Dom._toCamel(args.attr),
|
|
1293
|
val = args.val;
|
|
1294
|
|
|
1295
|
if (el && el.setAttribute) {
|
|
1296
|
if (Y.Dom.DOT_ATTRIBUTES[attr]) {
|
|
1297
|
el[attr] = val;
|
|
1298
|
} else {
|
|
1299
|
attr = Y.Dom.CUSTOM_ATTRIBUTES[attr] || attr;
|
|
1300
|
el.setAttribute(attr, val);
|
|
1301
|
}
|
|
1302
|
} else {
|
|
1303
|
YAHOO.log('setAttribute method not available for ' + el, 'error', 'Dom');
|
|
1304
|
}
|
|
1305
|
},
|
|
1306
|
|
|
1307
|
/**
|
|
1308
|
* Provides a normalized attribute interface.
|
|
1309
|
* @method getAttribute
|
|
1310
|
* @param {String | HTMLElement} el The target element for the attribute.
|
|
1311
|
* @param {String} attr The attribute to get.
|
|
1312
|
* @return {String} The current value of the attribute.
|
|
1313
|
*/
|
|
1314
|
getAttribute: function(el, attr) {
|
|
1315
|
return Y.Dom.batch(el, Y.Dom._getAttribute, attr);
|
|
1316
|
},
|
|
1317
|
|
|
1318
|
|
|
1319
|
_getAttribute: function(el, attr) {
|
|
1320
|
var val;
|
|
1321
|
attr = Y.Dom.CUSTOM_ATTRIBUTES[attr] || attr;
|
|
1322
|
|
|
1323
|
if (el && el.getAttribute) {
|
|
1324
|
val = el.getAttribute(attr, 2);
|
|
1325
|
} else {
|
|
1326
|
YAHOO.log('getAttribute method not available for ' + el, 'error', 'Dom');
|
|
1327
|
}
|
|
1328
|
|
|
1329
|
return val;
|
|
1330
|
},
|
|
1331
|
|
|
1332
|
_toCamel: function(property) {
|
|
1333
|
var c = propertyCache;
|
|
1334
|
|
|
1335
|
function tU(x,l) {
|
|
1336
|
return l.toUpperCase();
|
|
1337
|
}
|
|
1338
|
|
|
1339
|
return c[property] || (c[property] = property.indexOf('-') === -1 ?
|
|
1340
|
property :
|
|
1341
|
property.replace( /-([a-z])/gi, tU ));
|
|
1342
|
},
|
|
1343
|
|
|
1344
|
_getClassRegex: function(className) {
|
|
1345
|
var re;
|
|
1346
|
if (className !== undefined) { // allow empty string to pass
|
|
1347
|
if (className.exec) { // already a RegExp
|
|
1348
|
re = className;
|
|
1349
|
} else {
|
|
1350
|
re = reCache[className];
|
|
1351
|
if (!re) {
|
|
1352
|
// escape special chars (".", "[", etc.)
|
|
1353
|
className = className.replace(Y.Dom._patterns.CLASS_RE_TOKENS, '\\$1');
|
|
1354
|
re = reCache[className] = new RegExp(C_START + className + C_END, G);
|
|
1355
|
}
|
|
1356
|
}
|
|
1357
|
}
|
|
1358
|
return re;
|
|
1359
|
},
|
|
1360
|
|
|
1361
|
_patterns: {
|
|
1362
|
ROOT_TAG: /^body|html$/i, // body for quirks mode, html for standards,
|
|
1363
|
CLASS_RE_TOKENS: /([\.\(\)\^\$\*\+\?\|\[\]\{\}\\])/g
|
|
1364
|
},
|
|
1365
|
|
|
1366
|
|
|
1367
|
_testElement: function(node, method) {
|
|
1368
|
return node && node[NODE_TYPE] == 1 && ( !method || method(node) );
|
|
1369
|
},
|
|
1370
|
|
|
1371
|
_calcBorders: function(node, xy2) {
|
|
1372
|
var t = parseInt(Y.Dom[GET_COMPUTED_STYLE](node, BORDER_TOP_WIDTH), 10) || 0,
|
|
1373
|
l = parseInt(Y.Dom[GET_COMPUTED_STYLE](node, BORDER_LEFT_WIDTH), 10) || 0;
|
|
1374
|
if (isGecko) {
|
|
1375
|
if (RE_TABLE.test(node[TAG_NAME])) {
|
|
1376
|
t = 0;
|
|
1377
|
l = 0;
|
|
1378
|
}
|
|
1379
|
}
|
|
1380
|
xy2[0] += l;
|
|
1381
|
xy2[1] += t;
|
|
1382
|
return xy2;
|
|
1383
|
}
|
|
1384
|
};
|
|
1385
|
|
|
1386
|
var _getComputedStyle = Y.Dom[GET_COMPUTED_STYLE];
|
|
1387
|
// fix opera computedStyle default color unit (convert to rgb)
|
|
1388
|
if (UA.opera) {
|
|
1389
|
Y.Dom[GET_COMPUTED_STYLE] = function(node, att) {
|
|
1390
|
var val = _getComputedStyle(node, att);
|
|
1391
|
if (RE_COLOR.test(att)) {
|
|
1392
|
val = Y.Dom.Color.toRGB(val);
|
|
1393
|
}
|
|
1394
|
|
|
1395
|
return val;
|
|
1396
|
};
|
|
1397
|
|
|
1398
|
}
|
|
1399
|
|
|
1400
|
// safari converts transparent to rgba(), others use "transparent"
|
|
1401
|
if (UA.webkit) {
|
|
1402
|
Y.Dom[GET_COMPUTED_STYLE] = function(node, att) {
|
|
1403
|
var val = _getComputedStyle(node, att);
|
|
1404
|
|
|
1405
|
if (val === 'rgba(0, 0, 0, 0)') {
|
|
1406
|
val = 'transparent';
|
|
1407
|
}
|
|
1408
|
|
|
1409
|
return val;
|
|
1410
|
};
|
|
1411
|
|
|
1412
|
}
|
|
1413
|
|
|
1414
|
if (UA.ie && UA.ie >= 8 && document.documentElement.hasAttribute) { // IE 8 standards
|
|
1415
|
Y.Dom.DOT_ATTRIBUTES.type = true; // IE 8 errors on input.setAttribute('type')
|
|
1416
|
}
|
|
1417
|
})();
|
|
1418
|
/**
|
|
1419
|
* A region is a representation of an object on a grid. It is defined
|
|
1420
|
* by the top, right, bottom, left extents, so is rectangular by default. If
|
|
1421
|
* other shapes are required, this class could be extended to support it.
|
|
1422
|
* @namespace YAHOO.util
|
|
1423
|
* @class Region
|
|
1424
|
* @param {Int} t the top extent
|
|
1425
|
* @param {Int} r the right extent
|
|
1426
|
* @param {Int} b the bottom extent
|
|
1427
|
* @param {Int} l the left extent
|
|
1428
|
* @constructor
|
|
1429
|
*/
|
|
1430
|
YAHOO.util.Region = function(t, r, b, l) {
|
|
1431
|
|
|
1432
|
/**
|
|
1433
|
* The region's top extent
|
|
1434
|
* @property top
|
|
1435
|
* @type Int
|
|
1436
|
*/
|
|
1437
|
this.top = t;
|
|
1438
|
|
|
1439
|
/**
|
|
1440
|
* The region's top extent
|
|
1441
|
* @property y
|
|
1442
|
* @type Int
|
|
1443
|
*/
|
|
1444
|
this.y = t;
|
|
1445
|
|
|
1446
|
/**
|
|
1447
|
* The region's top extent as index, for symmetry with set/getXY
|
|
1448
|
* @property 1
|
|
1449
|
* @type Int
|
|
1450
|
*/
|
|
1451
|
this[1] = t;
|
|
1452
|
|
|
1453
|
/**
|
|
1454
|
* The region's right extent
|
|
1455
|
* @property right
|
|
1456
|
* @type int
|
|
1457
|
*/
|
|
1458
|
this.right = r;
|
|
1459
|
|
|
1460
|
/**
|
|
1461
|
* The region's bottom extent
|
|
1462
|
* @property bottom
|
|
1463
|
* @type Int
|
|
1464
|
*/
|
|
1465
|
this.bottom = b;
|
|
1466
|
|
|
1467
|
/**
|
|
1468
|
* The region's left extent
|
|
1469
|
* @property left
|
|
1470
|
* @type Int
|
|
1471
|
*/
|
|
1472
|
this.left = l;
|
|
1473
|
|
|
1474
|
/**
|
|
1475
|
* The region's left extent
|
|
1476
|
* @property x
|
|
1477
|
* @type Int
|
|
1478
|
*/
|
|
1479
|
this.x = l;
|
|
1480
|
|
|
1481
|
/**
|
|
1482
|
* The region's left extent as index, for symmetry with set/getXY
|
|
1483
|
* @property 0
|
|
1484
|
* @type Int
|
|
1485
|
*/
|
|
1486
|
this[0] = l;
|
|
1487
|
|
|
1488
|
/**
|
|
1489
|
* The region's total width
|
|
1490
|
* @property width
|
|
1491
|
* @type Int
|
|
1492
|
*/
|
|
1493
|
this.width = this.right - this.left;
|
|
1494
|
|
|
1495
|
/**
|
|
1496
|
* The region's total height
|
|
1497
|
* @property height
|
|
1498
|
* @type Int
|
|
1499
|
*/
|
|
1500
|
this.height = this.bottom - this.top;
|
|
1501
|
};
|
|
1502
|
|
|
1503
|
/**
|
|
1504
|
* Returns true if this region contains the region passed in
|
|
1505
|
* @method contains
|
|
1506
|
* @param {Region} region The region to evaluate
|
|
1507
|
* @return {Boolean} True if the region is contained with this region,
|
|
1508
|
* else false
|
|
1509
|
*/
|
|
1510
|
YAHOO.util.Region.prototype.contains = function(region) {
|
|
1511
|
return ( region.left >= this.left &&
|
|
1512
|
region.right <= this.right &&
|
|
1513
|
region.top >= this.top &&
|
|
1514
|
region.bottom <= this.bottom );
|
|
1515
|
|
|
1516
|
// this.logger.debug("does " + this + " contain " + region + " ... " + ret);
|
|
1517
|
};
|
|
1518
|
|
|
1519
|
/**
|
|
1520
|
* Returns the area of the region
|
|
1521
|
* @method getArea
|
|
1522
|
* @return {Int} the region's area
|
|
1523
|
*/
|
|
1524
|
YAHOO.util.Region.prototype.getArea = function() {
|
|
1525
|
return ( (this.bottom - this.top) * (this.right - this.left) );
|
|
1526
|
};
|
|
1527
|
|
|
1528
|
/**
|
|
1529
|
* Returns the region where the passed in region overlaps with this one
|
|
1530
|
* @method intersect
|
|
1531
|
* @param {Region} region The region that intersects
|
|
1532
|
* @return {Region} The overlap region, or null if there is no overlap
|
|
1533
|
*/
|
|
1534
|
YAHOO.util.Region.prototype.intersect = function(region) {
|
|
1535
|
var t = Math.max( this.top, region.top ),
|
|
1536
|
r = Math.min( this.right, region.right ),
|
|
1537
|
b = Math.min( this.bottom, region.bottom ),
|
|
1538
|
l = Math.max( this.left, region.left );
|
|
1539
|
|
|
1540
|
if (b >= t && r >= l) {
|
|
1541
|
return new YAHOO.util.Region(t, r, b, l);
|
|
1542
|
} else {
|
|
1543
|
return null;
|
|
1544
|
}
|
|
1545
|
};
|
|
1546
|
|
|
1547
|
/**
|
|
1548
|
* Returns the region representing the smallest region that can contain both
|
|
1549
|
* the passed in region and this region.
|
|
1550
|
* @method union
|
|
1551
|
* @param {Region} region The region that to create the union with
|
|
1552
|
* @return {Region} The union region
|
|
1553
|
*/
|
|
1554
|
YAHOO.util.Region.prototype.union = function(region) {
|
|
1555
|
var t = Math.min( this.top, region.top ),
|
|
1556
|
r = Math.max( this.right, region.right ),
|
|
1557
|
b = Math.max( this.bottom, region.bottom ),
|
|
1558
|
l = Math.min( this.left, region.left );
|
|
1559
|
|
|
1560
|
return new YAHOO.util.Region(t, r, b, l);
|
|
1561
|
};
|
|
1562
|
|
|
1563
|
/**
|
|
1564
|
* toString
|
|
1565
|
* @method toString
|
|
1566
|
* @return string the region properties
|
|
1567
|
*/
|
|
1568
|
YAHOO.util.Region.prototype.toString = function() {
|
|
1569
|
return ( "Region {" +
|
|
1570
|
"top: " + this.top +
|
|
1571
|
", right: " + this.right +
|
|
1572
|
", bottom: " + this.bottom +
|
|
1573
|
", left: " + this.left +
|
|
1574
|
", height: " + this.height +
|
|
1575
|
", width: " + this.width +
|
|
1576
|
"}" );
|
|
1577
|
};
|
|
1578
|
|
|
1579
|
/**
|
|
1580
|
* Returns a region that is occupied by the DOM element
|
|
1581
|
* @method getRegion
|
|
1582
|
* @param {HTMLElement} el The element
|
|
1583
|
* @return {Region} The region that the element occupies
|
|
1584
|
* @static
|
|
1585
|
*/
|
|
1586
|
YAHOO.util.Region.getRegion = function(el) {
|
|
1587
|
var p = YAHOO.util.Dom.getXY(el),
|
|
1588
|
t = p[1],
|
|
1589
|
r = p[0] + el.offsetWidth,
|
|
1590
|
b = p[1] + el.offsetHeight,
|
|
1591
|
l = p[0];
|
|
1592
|
|
|
1593
|
return new YAHOO.util.Region(t, r, b, l);
|
|
1594
|
};
|
|
1595
|
|
|
1596
|
/////////////////////////////////////////////////////////////////////////////
|
|
1597
|
|
|
1598
|
|
|
1599
|
/**
|
|
1600
|
* A point is a region that is special in that it represents a single point on
|
|
1601
|
* the grid.
|
|
1602
|
* @namespace YAHOO.util
|
|
1603
|
* @class Point
|
|
1604
|
* @param {Int} x The X position of the point
|
|
1605
|
* @param {Int} y The Y position of the point
|
|
1606
|
* @constructor
|
|
1607
|
* @extends YAHOO.util.Region
|
|
1608
|
*/
|
|
1609
|
YAHOO.util.Point = function(x, y) {
|
|
1610
|
if (YAHOO.lang.isArray(x)) { // accept input from Dom.getXY, Event.getXY, etc.
|
|
1611
|
y = x[1]; // dont blow away x yet
|
|
1612
|
x = x[0];
|
|
1613
|
}
|
|
1614
|
|
|
1615
|
YAHOO.util.Point.superclass.constructor.call(this, y, x, y, x);
|
|
1616
|
};
|
|
1617
|
|
|
1618
|
YAHOO.extend(YAHOO.util.Point, YAHOO.util.Region);
|
|
1619
|
|
|
1620
|
(function() {
|
|
1621
|
/**
|
|
1622
|
* Add style management functionality to DOM.
|
|
1623
|
* @module dom
|
|
1624
|
* @for Dom
|
|
1625
|
*/
|
|
1626
|
|
|
1627
|
var Y = YAHOO.util,
|
|
1628
|
CLIENT_TOP = 'clientTop',
|
|
1629
|
CLIENT_LEFT = 'clientLeft',
|
|
1630
|
PARENT_NODE = 'parentNode',
|
|
1631
|
RIGHT = 'right',
|
|
1632
|
HAS_LAYOUT = 'hasLayout',
|
|
1633
|
PX = 'px',
|
|
1634
|
OPACITY = 'opacity',
|
|
1635
|
AUTO = 'auto',
|
|
1636
|
BORDER_LEFT_WIDTH = 'borderLeftWidth',
|
|
1637
|
BORDER_TOP_WIDTH = 'borderTopWidth',
|
|
1638
|
BORDER_RIGHT_WIDTH = 'borderRightWidth',
|
|
1639
|
BORDER_BOTTOM_WIDTH = 'borderBottomWidth',
|
|
1640
|
VISIBLE = 'visible',
|
|
1641
|
TRANSPARENT = 'transparent',
|
|
1642
|
HEIGHT = 'height',
|
|
1643
|
WIDTH = 'width',
|
|
1644
|
STYLE = 'style',
|
|
1645
|
CURRENT_STYLE = 'currentStyle',
|
|
1646
|
|
|
1647
|
// IE getComputedStyle
|
|
1648
|
// TODO: unit-less lineHeight (e.g. 1.22)
|
|
1649
|
re_size = /^width|height$/,
|
|
1650
|
re_unit = /^(\d[.\d]*)+(em|ex|px|gd|rem|vw|vh|vm|ch|mm|cm|in|pt|pc|deg|rad|ms|s|hz|khz|%){1}?/i,
|
|
1651
|
|
|
1652
|
ComputedStyle = {
|
|
1653
|
get: function(el, property) {
|
|
1654
|
var value = '',
|
|
1655
|
current = el[CURRENT_STYLE][property];
|
|
1656
|
|
|
1657
|
if (property === OPACITY) {
|
|
1658
|
value = Y.Dom.getStyle(el, OPACITY);
|
|
1659
|
} else if (!current || (current.indexOf && current.indexOf(PX) > -1)) { // no need to convert
|
|
1660
|
value = current;
|
|
1661
|
} else if (Y.Dom.IE_COMPUTED[property]) { // use compute function
|
|
1662
|
value = Y.Dom.IE_COMPUTED[property](el, property);
|
|
1663
|
} else if (re_unit.test(current)) { // convert to pixel
|
|
1664
|
value = Y.Dom.IE.ComputedStyle.getPixel(el, property);
|
|
1665
|
} else {
|
|
1666
|
value = current;
|
|
1667
|
}
|
|
1668
|
|
|
1669
|
return value;
|
|
1670
|
},
|
|
1671
|
|
|
1672
|
getOffset: function(el, prop) {
|
|
1673
|
var current = el[CURRENT_STYLE][prop], // value of "width", "top", etc.
|
|
1674
|
capped = prop.charAt(0).toUpperCase() + prop.substr(1), // "Width", "Top", etc.
|
|
1675
|
offset = 'offset' + capped, // "offsetWidth", "offsetTop", etc.
|
|
1676
|
pixel = 'pixel' + capped, // "pixelWidth", "pixelTop", etc.
|
|
1677
|
value = '',
|
|
1678
|
actual;
|
|
1679
|
|
|
1680
|
if (current == AUTO) {
|
|
1681
|
actual = el[offset]; // offsetHeight/Top etc.
|
|
1682
|
if (actual === undefined) { // likely "right" or "bottom"
|
|
1683
|
value = 0;
|
|
1684
|
}
|
|
1685
|
|
|
1686
|
value = actual;
|
|
1687
|
if (re_size.test(prop)) { // account for box model diff
|
|
1688
|
el[STYLE][prop] = actual;
|
|
1689
|
if (el[offset] > actual) {
|
|
1690
|
// the difference is padding + border (works in Standards & Quirks modes)
|
|
1691
|
value = actual - (el[offset] - actual);
|
|
1692
|
}
|
|
1693
|
el[STYLE][prop] = AUTO; // revert to auto
|
|
1694
|
}
|
|
1695
|
} else { // convert units to px
|
|
1696
|
if (!el[STYLE][pixel] && !el[STYLE][prop]) { // need to map style.width to currentStyle (no currentStyle.pixelWidth)
|
|
1697
|
el[STYLE][prop] = current; // no style.pixelWidth if no style.width
|
|
1698
|
}
|
|
1699
|
value = el[STYLE][pixel];
|
|
1700
|
}
|
|
1701
|
return value + PX;
|
|
1702
|
},
|
|
1703
|
|
|
1704
|
getBorderWidth: function(el, property) {
|
|
1705
|
// clientHeight/Width = paddingBox (e.g. offsetWidth - borderWidth)
|
|
1706
|
// clientTop/Left = borderWidth
|
|
1707
|
var value = null;
|
|
1708
|
if (!el[CURRENT_STYLE][HAS_LAYOUT]) { // TODO: unset layout?
|
|
1709
|
el[STYLE].zoom = 1; // need layout to measure client
|
|
1710
|
}
|
|
1711
|
|
|
1712
|
switch(property) {
|
|
1713
|
case BORDER_TOP_WIDTH:
|
|
1714
|
value = el[CLIENT_TOP];
|
|
1715
|
break;
|
|
1716
|
case BORDER_BOTTOM_WIDTH:
|
|
1717
|
value = el.offsetHeight - el.clientHeight - el[CLIENT_TOP];
|
|
1718
|
break;
|
|
1719
|
case BORDER_LEFT_WIDTH:
|
|
1720
|
value = el[CLIENT_LEFT];
|
|
1721
|
break;
|
|
1722
|
case BORDER_RIGHT_WIDTH:
|
|
1723
|
value = el.offsetWidth - el.clientWidth - el[CLIENT_LEFT];
|
|
1724
|
break;
|
|
1725
|
}
|
|
1726
|
return value + PX;
|
|
1727
|
},
|
|
1728
|
|
|
1729
|
getPixel: function(node, att) {
|
|
1730
|
// use pixelRight to convert to px
|
|
1731
|
var val = null,
|
|
1732
|
styleRight = node[CURRENT_STYLE][RIGHT],
|
|
1733
|
current = node[CURRENT_STYLE][att];
|
|
1734
|
|
|
1735
|
node[STYLE][RIGHT] = current;
|
|
1736
|
val = node[STYLE].pixelRight;
|
|
1737
|
node[STYLE][RIGHT] = styleRight; // revert
|
|
1738
|
|
|
1739
|
return val + PX;
|
|
1740
|
},
|
|
1741
|
|
|
1742
|
getMargin: function(node, att) {
|
|
1743
|
var val;
|
|
1744
|
if (node[CURRENT_STYLE][att] == AUTO) {
|
|
1745
|
val = 0 + PX;
|
|
1746
|
} else {
|
|
1747
|
val = Y.Dom.IE.ComputedStyle.getPixel(node, att);
|
|
1748
|
}
|
|
1749
|
return val;
|
|
1750
|
},
|
|
1751
|
|
|
1752
|
getVisibility: function(node, att) {
|
|
1753
|
var current;
|
|
1754
|
while ( (current = node[CURRENT_STYLE]) && current[att] == 'inherit') { // NOTE: assignment in test
|
|
1755
|
node = node[PARENT_NODE];
|
|
1756
|
}
|
|
1757
|
return (current) ? current[att] : VISIBLE;
|
|
1758
|
},
|
|
1759
|
|
|
1760
|
getColor: function(node, att) {
|
|
1761
|
return Y.Dom.Color.toRGB(node[CURRENT_STYLE][att]) || TRANSPARENT;
|
|
1762
|
},
|
|
1763
|
|
|
1764
|
getBorderColor: function(node, att) {
|
|
1765
|
var current = node[CURRENT_STYLE],
|
|
1766
|
val = current[att] || current.color;
|
|
1767
|
return Y.Dom.Color.toRGB(Y.Dom.Color.toHex(val));
|
|
1768
|
}
|
|
1769
|
|
|
1770
|
},
|
|
1771
|
|
|
1772
|
//fontSize: getPixelFont,
|
|
1773
|
IEComputed = {};
|
|
1774
|
|
|
1775
|
IEComputed.top = IEComputed.right = IEComputed.bottom = IEComputed.left =
|
|
1776
|
IEComputed[WIDTH] = IEComputed[HEIGHT] = ComputedStyle.getOffset;
|
|
1777
|
|
|
1778
|
IEComputed.color = ComputedStyle.getColor;
|
|
1779
|
|
|
1780
|
IEComputed[BORDER_TOP_WIDTH] = IEComputed[BORDER_RIGHT_WIDTH] =
|
|
1781
|
IEComputed[BORDER_BOTTOM_WIDTH] = IEComputed[BORDER_LEFT_WIDTH] =
|
|
1782
|
ComputedStyle.getBorderWidth;
|
|
1783
|
|
|
1784
|
IEComputed.marginTop = IEComputed.marginRight = IEComputed.marginBottom =
|
|
1785
|
IEComputed.marginLeft = ComputedStyle.getMargin;
|
|
1786
|
|
|
1787
|
IEComputed.visibility = ComputedStyle.getVisibility;
|
|
1788
|
IEComputed.borderColor = IEComputed.borderTopColor =
|
|
1789
|
IEComputed.borderRightColor = IEComputed.borderBottomColor =
|
|
1790
|
IEComputed.borderLeftColor = ComputedStyle.getBorderColor;
|
|
1791
|
|
|
1792
|
Y.Dom.IE_COMPUTED = IEComputed;
|
|
1793
|
Y.Dom.IE_ComputedStyle = ComputedStyle;
|
|
1794
|
})();
|
|
1795
|
(function() {
|
|
1796
|
/**
|
|
1797
|
* Add style management functionality to DOM.
|
|
1798
|
* @module dom
|
|
1799
|
* @for Dom
|
|
1800
|
*/
|
|
1801
|
|
|
1802
|
var TO_STRING = 'toString',
|
|
1803
|
PARSE_INT = parseInt,
|
|
1804
|
RE = RegExp,
|
|
1805
|
Y = YAHOO.util;
|
|
1806
|
|
|
1807
|
Y.Dom.Color = {
|
|
1808
|
KEYWORDS: {
|
|
1809
|
black: '000',
|
|
1810
|
silver: 'c0c0c0',
|
|
1811
|
gray: '808080',
|
|
1812
|
white: 'fff',
|
|
1813
|
maroon: '800000',
|
|
1814
|
red: 'f00',
|
|
1815
|
purple: '800080',
|
|
1816
|
fuchsia: 'f0f',
|
|
1817
|
green: '008000',
|
|
1818
|
lime: '0f0',
|
|
1819
|
olive: '808000',
|
|
1820
|
yellow: 'ff0',
|
|
1821
|
navy: '000080',
|
|
1822
|
blue: '00f',
|
|
1823
|
teal: '008080',
|
|
1824
|
aqua: '0ff'
|
|
1825
|
},
|
|
1826
|
|
|
1827
|
re_RGB: /^rgb\(([0-9]+)\s*,\s*([0-9]+)\s*,\s*([0-9]+)\)$/i,
|
|
1828
|
re_hex: /^#?([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{2})$/i,
|
|
1829
|
re_hex3: /([0-9A-F])/gi,
|
|
1830
|
|
|
1831
|
toRGB: function(val) {
|
|
1832
|
if (!Y.Dom.Color.re_RGB.test(val)) {
|
|
1833
|
val = Y.Dom.Color.toHex(val);
|
|
1834
|
}
|
|
1835
|
|
|
1836
|
if(Y.Dom.Color.re_hex.exec(val)) {
|
|
1837
|
val = 'rgb(' + [
|
|
1838
|
PARSE_INT(RE.$1, 16),
|
|
1839
|
PARSE_INT(RE.$2, 16),
|
|
1840
|
PARSE_INT(RE.$3, 16)
|
|
1841
|
].join(', ') + ')';
|
|
1842
|
}
|
|
1843
|
return val;
|
|
1844
|
},
|
|
1845
|
|
|
1846
|
toHex: function(val) {
|
|
1847
|
val = Y.Dom.Color.KEYWORDS[val] || val;
|
|
1848
|
if (Y.Dom.Color.re_RGB.exec(val)) {
|
|
1849
|
var r = (RE.$1.length === 1) ? '0' + RE.$1 : Number(RE.$1),
|
|
1850
|
g = (RE.$2.length === 1) ? '0' + RE.$2 : Number(RE.$2),
|
|
1851
|
b = (RE.$3.length === 1) ? '0' + RE.$3 : Number(RE.$3);
|
|
1852
|
|
|
1853
|
val = [
|
|
1854
|
r[TO_STRING](16),
|
|
1855
|
g[TO_STRING](16),
|
|
1856
|
b[TO_STRING](16)
|
|
1857
|
].join('');
|
|
1858
|
}
|
|
1859
|
|
|
1860
|
if (val.length < 6) {
|
|
1861
|
val = val.replace(Y.Dom.Color.re_hex3, '$1$1');
|
|
1862
|
}
|
|
1863
|
|
|
1864
|
if (val !== 'transparent' && val.indexOf('#') < 0) {
|
|
1865
|
val = '#' + val;
|
|
1866
|
}
|
|
1867
|
|
|
1868
|
return val.toLowerCase();
|
|
1869
|
}
|
|
1870
|
};
|
|
1871
|
}());
|
|
1872
|
YAHOO.register("dom", YAHOO.util.Dom, {version: "2.8.0r4", build: "2449"});
|