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/*
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Copyright (c) 2010, Yahoo! Inc. All rights reserved.
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Code licensed under the BSD License:
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http://developer.yahoo.com/yui/license.html
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version: 2.8.2r1
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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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}
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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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}
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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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}
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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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}
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xy[0] -= off1;
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xy[1] -= off2;
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}
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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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// 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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}
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return xy;
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};
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} else {
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return function(node) { // ff2, safari: manually calculate by crawling up offsetParents
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var docScrollLeft, docScrollTop,
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scrollTop, scrollLeft,
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bCheck,
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xy = false,
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parentNode = node;
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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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docScrollTop = Y.Dom.getDocumentScrollTop(node[OWNER_DOCUMENT]);
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// TODO: refactor with !! or just falsey
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bCheck = ((isGecko || UA.webkit > 519) ? true : false);
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// TODO: worth refactoring for TOP/LEFT only?
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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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if (bCheck) {
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xy = Y.Dom._calcBorders(parentNode, xy);
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}
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}
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// account for any scrolled ancestors
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if (Y.Dom._getStyle(node, POSITION) !== FIXED) {
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parentNode = node;
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while ((parentNode = parentNode[PARENT_NODE]) && parentNode[TAG_NAME]) {
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scrollTop = parentNode[SCROLL_TOP];
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scrollLeft = parentNode[SCROLL_LEFT];
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//Firefox does something funky with borders when overflow is not visible.
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if (isGecko && (Y.Dom._getStyle(parentNode, 'overflow') !== 'visible')) {
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xy = Y.Dom._calcBorders(parentNode, xy);
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}
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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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}
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xy[0] += docScrollLeft;
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xy[1] += docScrollTop;
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} else {
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//Fix FIXED position -- add scrollbars
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if (isOpera) {
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xy[0] -= docScrollLeft;
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xy[1] -= docScrollTop;
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} else if (isSafari || isGecko) {
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xy[0] += docScrollLeft;
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xy[1] += docScrollTop;
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}
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}
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//Round the numbers so we get sane data back
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xy[0] = Math.floor(xy[0]);
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xy[1] = Math.floor(xy[1]);
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} else {
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}
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return xy;
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};
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}
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}(), // NOTE: Executing for loadtime branching
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/**
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* 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).
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* @method getX
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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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* @return {Number | Array} The X position of the element(s)
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*/
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getX: function(el) {
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var f = function(el) {
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return Y.Dom.getXY(el)[0];
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};
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return Y.Dom.batch(el, f, Y.Dom, true);
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},
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/**
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* 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).
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* @method getY
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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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* @return {Number | Array} The Y position of the element(s)
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*/
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getY: function(el) {
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var f = function(el) {
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return Y.Dom.getXY(el)[1];
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};
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return Y.Dom.batch(el, f, Y.Dom, true);
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},
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/**
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* Set the position of an html element in page coordinates, regardless of how the element is positioned.
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* The element(s) must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
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* @method setXY
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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 {Array} pos Contains X & Y values for new position (coordinates are page-based)
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* @param {Boolean} noRetry By default we try and set the position a second time if the first fails
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*/
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setXY: function(el, pos, noRetry) {
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Y.Dom.batch(el, Y.Dom._setXY, { pos: pos, noRetry: noRetry });
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},
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|
|
|
|
|
_setXY: function(node, args) {
|
|
|
var pos = Y.Dom._getStyle(node, POSITION),
|
|
|
setStyle = Y.Dom.setStyle,
|
|
|
xy = args.pos,
|
|
|
noRetry = args.noRetry,
|
|
|
|
|
|
delta = [ // assuming pixels; if not we will have to retry
|
|
|
parseInt( Y.Dom.getComputedStyle(node, LEFT), 10 ),
|
|
|
parseInt( Y.Dom.getComputedStyle(node, TOP), 10 )
|
|
|
],
|
|
|
|
|
|
currentXY,
|
|
|
newXY;
|
|
|
|
|
|
if (pos == 'static') { // default to relative
|
|
|
pos = RELATIVE;
|
|
|
setStyle(node, POSITION, pos);
|
|
|
}
|
|
|
|
|
|
currentXY = Y.Dom._getXY(node);
|
|
|
|
|
|
if (!xy || currentXY === false) { // has to be part of doc to have xy
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
if ( isNaN(delta[0]) ) {// in case of 'auto'
|
|
|
delta[0] = (pos == RELATIVE) ? 0 : node[OFFSET_LEFT];
|
|
|
}
|
|
|
if ( isNaN(delta[1]) ) { // in case of 'auto'
|
|
|
delta[1] = (pos == RELATIVE) ? 0 : node[OFFSET_TOP];
|
|
|
}
|
|
|
|
|
|
if (xy[0] !== null) { // from setX
|
|
|
setStyle(node, LEFT, xy[0] - currentXY[0] + delta[0] + 'px');
|
|
|
}
|
|
|
|
|
|
if (xy[1] !== null) { // from setY
|
|
|
setStyle(node, TOP, xy[1] - currentXY[1] + delta[1] + 'px');
|
|
|
}
|
|
|
|
|
|
if (!noRetry) {
|
|
|
newXY = Y.Dom._getXY(node);
|
|
|
|
|
|
// if retry is true, try one more time if we miss
|
|
|
if ( (xy[0] !== null && newXY[0] != xy[0]) ||
|
|
|
(xy[1] !== null && newXY[1] != xy[1]) ) {
|
|
|
Y.Dom._setXY(node, { pos: xy, noRetry: 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 = false;
|
|
|
if ( Y.Dom._canPosition(el) ) {
|
|
|
region = Y.Region.getRegion(el);
|
|
|
} else {
|
|
|
}
|
|
|
|
|
|
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 an array of HTMLElements with the given class.
|
|
|
* For optimized performance, include a tag and/or root node when possible.
|
|
|
* Note: This method operates against a live collection, so modifying the
|
|
|
* collection in the callback (removing/appending nodes, etc.) will have
|
|
|
* side effects. Instead you should iterate the returned nodes array,
|
|
|
* as you would with the native "getElementsByTagName" method.
|
|
|
* @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.
|
|
|
* This element is not included in the className scan.
|
|
|
* @param {Function} apply (optional) A function to apply to each element when found
|
|
|
* @param {Any} o (optional) An optional arg that is passed to the supplied method
|
|
|
* @param {Boolean} overrides (optional) Whether or not to override the scope of "method" with "o"
|
|
|
* @return {Array} An array of elements that have the given class name
|
|
|
*/
|
|
|
getElementsByClassName: function(className, tag, root, apply, o, overrides) {
|
|
|
tag = tag || '*';
|
|
|
root = (root) ? Y.Dom.get(root) : null || document;
|
|
|
if (!root) {
|
|
|
return [];
|
|
|
}
|
|
|
|
|
|
var nodes = [],
|
|
|
elements = root.getElementsByTagName(tag),
|
|
|
hasClass = Y.Dom.hasClass;
|
|
|
|
|
|
for (var i = 0, len = elements.length; i < len; ++i) {
|
|
|
if ( hasClass(elements[i], className) ) {
|
|
|
nodes[nodes.length] = elements[i];
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if (apply) {
|
|
|
Y.Dom.batch(nodes, apply, o, overrides);
|
|
|
}
|
|
|
|
|
|
return nodes;
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* 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) {
|
|
|
return Y.Dom.batch(el, Y.Dom._hasClass, className);
|
|
|
},
|
|
|
|
|
|
_hasClass: function(el, className) {
|
|
|
var ret = false,
|
|
|
current;
|
|
|
|
|
|
if (el && className) {
|
|
|
current = Y.Dom._getAttribute(el, CLASS_NAME) || EMPTY;
|
|
|
if (className.exec) {
|
|
|
ret = className.test(current);
|
|
|
} else {
|
|
|
ret = className && (SPACE + current + SPACE).
|
|
|
indexOf(SPACE + className + SPACE) > -1;
|
|
|
}
|
|
|
} else {
|
|
|
}
|
|
|
|
|
|
return ret;
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* 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
|
|
|
* @return {Boolean | Array} A pass/fail boolean or array of booleans
|
|
|
*/
|
|
|
addClass: function(el, className) {
|
|
|
return Y.Dom.batch(el, Y.Dom._addClass, className);
|
|
|
},
|
|
|
|
|
|
_addClass: function(el, className) {
|
|
|
var ret = false,
|
|
|
current;
|
|
|
|
|
|
if (el && className) {
|
|
|
current = Y.Dom._getAttribute(el, CLASS_NAME) || EMPTY;
|
|
|
if ( !Y.Dom._hasClass(el, className) ) {
|
|
|
Y.Dom.setAttribute(el, CLASS_NAME, trim(current + SPACE + className));
|
|
|
ret = true;
|
|
|
}
|
|
|
} else {
|
|
|
}
|
|
|
|
|
|
return ret;
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* 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
|
|
|
* @return {Boolean | Array} A pass/fail boolean or array of booleans
|
|
|
*/
|
|
|
removeClass: function(el, className) {
|
|
|
return Y.Dom.batch(el, Y.Dom._removeClass, className);
|
|
|
},
|
|
|
|
|
|
_removeClass: function(el, className) {
|
|
|
var ret = false,
|
|
|
current,
|
|
|
newClass,
|
|
|
attr;
|
|
|
|
|
|
if (el && className) {
|
|
|
current = Y.Dom._getAttribute(el, CLASS_NAME) || EMPTY;
|
|
|
Y.Dom.setAttribute(el, CLASS_NAME, current.replace(Y.Dom._getClassRegex(className), EMPTY));
|
|
|
|
|
|
newClass = Y.Dom._getAttribute(el, CLASS_NAME);
|
|
|
if (current !== newClass) { // else nothing changed
|
|
|
Y.Dom.setAttribute(el, CLASS_NAME, trim(newClass)); // trim after comparing to current class
|
|
|
ret = true;
|
|
|
|
|
|
if (Y.Dom._getAttribute(el, CLASS_NAME) === '') { // remove class attribute if empty
|
|
|
attr = (el.hasAttribute && el.hasAttribute(_CLASS)) ? _CLASS : CLASS_NAME;
|
|
|
el.removeAttribute(attr);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
} else {
|
|
|
}
|
|
|
|
|
|
return ret;
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* 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
|
|
|
* @return {Boolean | Array} A pass/fail boolean or array of booleans
|
|
|
*/
|
|
|
replaceClass: function(el, oldClassName, newClassName) {
|
|
|
return Y.Dom.batch(el, Y.Dom._replaceClass, { from: oldClassName, to: newClassName });
|
|
|
},
|
|
|
|
|
|
_replaceClass: function(el, classObj) {
|
|
|
var className,
|
|
|
from,
|
|
|
to,
|
|
|
ret = false,
|
|
|
current;
|
|
|
|
|
|
if (el && classObj) {
|
|
|
from = classObj.from;
|
|
|
to = classObj.to;
|
|
|
|
|
|
if (!to) {
|
|
|
ret = false;
|
|
|
} else if (!from) { // just add if no "from"
|
|
|
ret = Y.Dom._addClass(el, classObj.to);
|
|
|
} else if (from !== to) { // else nothing to replace
|
|
|
// May need to lead with DBLSPACE?
|
|
|
current = Y.Dom._getAttribute(el, CLASS_NAME) || EMPTY;
|
|
|
className = (SPACE + current.replace(Y.Dom._getClassRegex(from), SPACE + to)).
|
|
|
split(Y.Dom._getClassRegex(to));
|
|
|
|
|
|
// insert to into what would have been the first occurrence slot
|
|
|
className.splice(1, 0, SPACE + to);
|
|
|
Y.Dom.setAttribute(el, CLASS_NAME, trim(className.join(EMPTY)));
|
|
|
ret = true;
|
|
|
}
|
|
|
} else {
|
|
|
}
|
|
|
|
|
|
return ret;
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns an ID and applies it to the element "el", if provided.
|
|
|
* @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';
|
|
|
|
|
|
var f = function(el) {
|
|
|
if (el && el.id) { // do not override existing ID
|
|
|
return el.id;
|
|
|
}
|
|
|
|
|
|
var id = prefix + YAHOO.env._id_counter++;
|
|
|
|
|
|
if (el) {
|
|
|
if (el[OWNER_DOCUMENT] && el[OWNER_DOCUMENT].getElementById(id)) { // in case one already exists
|
|
|
// use failed id plus prefix to help ensure uniqueness
|
|
|
return Y.Dom.generateId(el, id + prefix);
|
|
|
}
|
|
|
el.id = id;
|
|
|
}
|
|
|
|
|
|
return id;
|
|
|
};
|
|
|
|
|
|
// batch fails when no element, so just generate and return single ID
|
|
|
return Y.Dom.batch(el, f, Y.Dom, true) || f.apply(Y.Dom, arguments);
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* 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);
|
|
|
needle = Y.Dom.get(needle);
|
|
|
|
|
|
var ret = false;
|
|
|
|
|
|
if ( (haystack && needle) && (haystack[NODE_TYPE] && needle[NODE_TYPE]) ) {
|
|
|
if (haystack.contains && haystack !== needle) { // contains returns true when equal
|
|
|
ret = haystack.contains(needle);
|
|
|
}
|
|
|
else if (haystack.compareDocumentPosition) { // gecko
|
|
|
ret = !!(haystack.compareDocumentPosition(needle) & 16);
|
|
|
}
|
|
|
} else {
|
|
|
}
|
|
|
return ret;
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Determines whether an HTMLElement is present in the current document.
|
|
|
* @method inDocument
|
|
|
* @param {String | HTMLElement} el The element to search for
|
|
|
* @param {Object} doc An optional document to search, defaults to element's owner document
|
|
|
* @return {Boolean} Whether or not the element is present in the current document
|
|
|
*/
|
|
|
inDocument: function(el, doc) {
|
|
|
return Y.Dom._inDoc(Y.Dom.get(el), doc);
|
|
|
},
|
|
|
|
|
|
_inDoc: function(el, doc) {
|
|
|
var ret = false;
|
|
|
if (el && el[TAG_NAME]) {
|
|
|
doc = doc || el[OWNER_DOCUMENT];
|
|
|
ret = Y.Dom.isAncestor(doc[DOCUMENT_ELEMENT], el);
|
|
|
} else {
|
|
|
}
|
|
|
return ret;
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns an array of HTMLElements that pass the test applied by supplied boolean method.
|
|
|
* For optimized performance, include a tag and/or root node when possible.
|
|
|
* Note: This method operates against a live collection, so modifying the
|
|
|
* collection in the callback (removing/appending nodes, etc.) will have
|
|
|
* side effects. Instead you should iterate the returned nodes array,
|
|
|
* as you would with the native "getElementsByTagName" method.
|
|
|
* @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
|
|
|
* @param {Function} apply (optional) A function to apply to each element when found
|
|
|
* @param {Any} o (optional) An optional arg that is passed to the supplied method
|
|
|
* @param {Boolean} overrides (optional) Whether or not to override the scope of "method" with "o"
|
|
|
* @return {Array} Array of HTMLElements
|
|
|
*/
|
|
|
getElementsBy: function(method, tag, root, apply, o, overrides, firstOnly) {
|
|
|
tag = tag || '*';
|
|
|
root = (root) ? Y.Dom.get(root) : null || document;
|
|
|
|
|
|
if (!root) {
|
|
|
return [];
|
|
|
}
|
|
|
|
|
|
var nodes = [],
|
|
|
elements = root.getElementsByTagName(tag);
|
|
|
|
|
|
for (var i = 0, len = elements.length; i < len; ++i) {
|
|
|
if ( method(elements[i]) ) {
|
|
|
if (firstOnly) {
|
|
|
nodes = elements[i];
|
|
|
break;
|
|
|
} else {
|
|
|
nodes[nodes.length] = elements[i];
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if (apply) {
|
|
|
Y.Dom.batch(nodes, apply, o, overrides);
|
|
|
}
|
|
|
|
|
|
|
|
|
return nodes;
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns the first HTMLElement that passes the test applied by the supplied boolean method.
|
|
|
* @method getElementBy
|
|
|
* @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
|
|
|
* @return {HTMLElement}
|
|
|
*/
|
|
|
getElementBy: function(method, tag, root) {
|
|
|
return Y.Dom.getElementsBy(method, tag, root, null, null, null, true);
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Runs the supplied method against each item in the Collection/Array.
|
|
|
* 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} overrides (optional) Whether or not to override the scope of "method" with "o"
|
|
|
* @return {Any | Array} The return value(s) from the supplied method
|
|
|
*/
|
|
|
batch: function(el, method, o, overrides) {
|
|
|
var collection = [],
|
|
|
scope = (overrides) ? o : window;
|
|
|
|
|
|
el = (el && (el[TAG_NAME] || el.item)) ? el : Y.Dom.get(el); // skip get() when possible
|
|
|
if (el && method) {
|
|
|
if (el[TAG_NAME] || el.length === undefined) { // element or not array-like
|
|
|
return method.call(scope, el, o);
|
|
|
}
|
|
|
|
|
|
for (var i = 0; i < el.length; ++i) {
|
|
|
collection[collection.length] = method.call(scope, el[i], o);
|
|
|
}
|
|
|
} else {
|
|
|
return false;
|
|
|
}
|
|
|
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[COMPAT_MODE] != CSS1_COMPAT || isSafari) ? document.body.scrollHeight : documentElement.scrollHeight,
|
|
|
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[COMPAT_MODE] != CSS1_COMPAT || isSafari) ? document.body.scrollWidth : documentElement.scrollWidth,
|
|
|
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
|
|
|
mode = document[COMPAT_MODE];
|
|
|
|
|
|
if ( (mode || isIE) && !isOpera ) { // IE, Gecko
|
|
|
height = (mode == CSS1_COMPAT) ?
|
|
|
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
|
|
|
mode = document[COMPAT_MODE];
|
|
|
|
|
|
if (mode || isIE) { // IE, Gecko, Opera
|
|
|
width = (mode == CSS1_COMPAT) ?
|
|
|
documentElement.clientWidth : // Standards
|
|
|
document.body.clientWidth; // Quirks
|
|
|
}
|
|
|
return width;
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns the nearest ancestor that passes the test applied by supplied boolean method.
|
|
|
* For performance reasons, IDs are not accepted and argument validation omitted.
|
|
|
* @method getAncestorBy
|
|
|
* @param {HTMLElement} node The HTMLElement to use as the starting point
|
|
|
* @param {Function} method - A boolean method for testing elements which receives the element as its only argument.
|
|
|
* @return {Object} HTMLElement or null if not found
|
|
|
*/
|
|
|
getAncestorBy: function(node, method) {
|
|
|
while ( (node = node[PARENT_NODE]) ) { // NOTE: assignment
|
|
|
if ( Y.Dom._testElement(node, method) ) {
|
|
|
return node;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
return null;
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns the nearest ancestor with the given className.
|
|
|
* @method getAncestorByClassName
|
|
|
* @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point
|
|
|
* @param {String} className
|
|
|
* @return {Object} HTMLElement
|
|
|
*/
|
|
|
getAncestorByClassName: function(node, className) {
|
|
|
node = Y.Dom.get(node);
|
|
|
if (!node) {
|
|
|
return null;
|
|
|
}
|
|
|
var method = function(el) { return Y.Dom.hasClass(el, className); };
|
|
|
return Y.Dom.getAncestorBy(node, method);
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns the nearest ancestor with the given tagName.
|
|
|
* @method getAncestorByTagName
|
|
|
* @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point
|
|
|
* @param {String} tagName
|
|
|
* @return {Object} HTMLElement
|
|
|
*/
|
|
|
getAncestorByTagName: function(node, tagName) {
|
|
|
node = Y.Dom.get(node);
|
|
|
if (!node) {
|
|
|
return null;
|
|
|
}
|
|
|
var method = function(el) {
|
|
|
return el[TAG_NAME] && el[TAG_NAME].toUpperCase() == tagName.toUpperCase();
|
|
|
};
|
|
|
|
|
|
return Y.Dom.getAncestorBy(node, method);
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns the previous sibling that is an HTMLElement.
|
|
|
* For performance reasons, IDs are not accepted and argument validation omitted.
|
|
|
* Returns the nearest HTMLElement sibling if no method provided.
|
|
|
* @method getPreviousSiblingBy
|
|
|
* @param {HTMLElement} node The HTMLElement to use as the starting point
|
|
|
* @param {Function} method A boolean function used to test siblings
|
|
|
* that receives the sibling node being tested as its only argument
|
|
|
* @return {Object} HTMLElement or null if not found
|
|
|
*/
|
|
|
getPreviousSiblingBy: function(node, method) {
|
|
|
while (node) {
|
|
|
node = node.previousSibling;
|
|
|
if ( Y.Dom._testElement(node, method) ) {
|
|
|
return node;
|
|
|
}
|
|
|
}
|
|
|
return null;
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns the previous sibling that is an HTMLElement
|
|
|
* @method getPreviousSibling
|
|
|
* @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point
|
|
|
* @return {Object} HTMLElement or null if not found
|
|
|
*/
|
|
|
getPreviousSibling: function(node) {
|
|
|
node = Y.Dom.get(node);
|
|
|
if (!node) {
|
|
|
return null;
|
|
|
}
|
|
|
|
|
|
return Y.Dom.getPreviousSiblingBy(node);
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns the next HTMLElement sibling that passes the boolean method.
|
|
|
* For performance reasons, IDs are not accepted and argument validation omitted.
|
|
|
* Returns the nearest HTMLElement sibling if no method provided.
|
|
|
* @method getNextSiblingBy
|
|
|
* @param {HTMLElement} node The HTMLElement to use as the starting point
|
|
|
* @param {Function} method A boolean function used to test siblings
|
|
|
* that receives the sibling node being tested as its only argument
|
|
|
* @return {Object} HTMLElement or null if not found
|
|
|
*/
|
|
|
getNextSiblingBy: function(node, method) {
|
|
|
while (node) {
|
|
|
node = node.nextSibling;
|
|
|
if ( Y.Dom._testElement(node, method) ) {
|
|
|
return node;
|
|
|
}
|
|
|
}
|
|
|
return null;
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns the next sibling that is an HTMLElement
|
|
|
* @method getNextSibling
|
|
|
* @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point
|
|
|
* @return {Object} HTMLElement or null if not found
|
|
|
*/
|
|
|
getNextSibling: function(node) {
|
|
|
node = Y.Dom.get(node);
|
|
|
if (!node) {
|
|
|
return null;
|
|
|
}
|
|
|
|
|
|
return Y.Dom.getNextSiblingBy(node);
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns the first HTMLElement child that passes the test method.
|
|
|
* @method getFirstChildBy
|
|
|
* @param {HTMLElement} node The HTMLElement to use as the starting point
|
|
|
* @param {Function} method A boolean function used to test children
|
|
|
* that receives the node being tested as its only argument
|
|
|
* @return {Object} HTMLElement or null if not found
|
|
|
*/
|
|
|
getFirstChildBy: function(node, method) {
|
|
|
var child = ( Y.Dom._testElement(node.firstChild, method) ) ? node.firstChild : null;
|
|
|
return child || Y.Dom.getNextSiblingBy(node.firstChild, method);
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns the first HTMLElement child.
|
|
|
* @method getFirstChild
|
|
|
* @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point
|
|
|
* @return {Object} HTMLElement or null if not found
|
|
|
*/
|
|
|
getFirstChild: function(node, method) {
|
|
|
node = Y.Dom.get(node);
|
|
|
if (!node) {
|
|
|
return null;
|
|
|
}
|
|
|
return Y.Dom.getFirstChildBy(node);
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns the last HTMLElement child that passes the test method.
|
|
|
* @method getLastChildBy
|
|
|
* @param {HTMLElement} node The HTMLElement to use as the starting point
|
|
|
* @param {Function} method A boolean function used to test children
|
|
|
* that receives the node being tested as its only argument
|
|
|
* @return {Object} HTMLElement or null if not found
|
|
|
*/
|
|
|
getLastChildBy: function(node, method) {
|
|
|
if (!node) {
|
|
|
return null;
|
|
|
}
|
|
|
var child = ( Y.Dom._testElement(node.lastChild, method) ) ? node.lastChild : null;
|
|
|
return child || Y.Dom.getPreviousSiblingBy(node.lastChild, method);
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns the last HTMLElement child.
|
|
|
* @method getLastChild
|
|
|
* @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point
|
|
|
* @return {Object} HTMLElement or null if not found
|
|
|
*/
|
|
|
getLastChild: function(node) {
|
|
|
node = Y.Dom.get(node);
|
|
|
return Y.Dom.getLastChildBy(node);
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns an array of HTMLElement childNodes that pass the test method.
|
|
|
* @method getChildrenBy
|
|
|
* @param {HTMLElement} node The HTMLElement to start from
|
|
|
* @param {Function} method A boolean function used to test children
|
|
|
* that receives the node being tested as its only argument
|
|
|
* @return {Array} A static array of HTMLElements
|
|
|
*/
|
|
|
getChildrenBy: function(node, method) {
|
|
|
var child = Y.Dom.getFirstChildBy(node, method),
|
|
|
children = child ? [child] : [];
|
|
|
|
|
|
Y.Dom.getNextSiblingBy(child, function(node) {
|
|
|
if ( !method || method(node) ) {
|
|
|
children[children.length] = node;
|
|
|
}
|
|
|
return false; // fail test to collect all children
|
|
|
});
|
|
|
|
|
|
return children;
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns an array of HTMLElement childNodes.
|
|
|
* @method getChildren
|
|
|
* @param {String | HTMLElement} node The HTMLElement or an ID to use as the starting point
|
|
|
* @return {Array} A static array of HTMLElements
|
|
|
*/
|
|
|
getChildren: function(node) {
|
|
|
node = Y.Dom.get(node);
|
|
|
if (!node) {
|
|
|
}
|
|
|
|
|
|
return Y.Dom.getChildrenBy(node);
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns the left scroll value of the document
|
|
|
* @method getDocumentScrollLeft
|
|
|
* @param {HTMLDocument} document (optional) The document to get the scroll value of
|
|
|
* @return {Int} The amount that the document is scrolled to the left
|
|
|
*/
|
|
|
getDocumentScrollLeft: function(doc) {
|
|
|
doc = doc || document;
|
|
|
return Math.max(doc[DOCUMENT_ELEMENT].scrollLeft, doc.body.scrollLeft);
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Returns the top scroll value of the document
|
|
|
* @method getDocumentScrollTop
|
|
|
* @param {HTMLDocument} document (optional) The document to get the scroll value of
|
|
|
* @return {Int} The amount that the document is scrolled to the top
|
|
|
*/
|
|
|
getDocumentScrollTop: function(doc) {
|
|
|
doc = doc || document;
|
|
|
return Math.max(doc[DOCUMENT_ELEMENT].scrollTop, doc.body.scrollTop);
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Inserts the new node as the previous sibling of the reference node
|
|
|
* @method insertBefore
|
|
|
* @param {String | HTMLElement} newNode The node to be inserted
|
|
|
* @param {String | HTMLElement} referenceNode The node to insert the new node before
|
|
|
* @return {HTMLElement} The node that was inserted (or null if insert fails)
|
|
|
*/
|
|
|
insertBefore: function(newNode, referenceNode) {
|
|
|
newNode = Y.Dom.get(newNode);
|
|
|
referenceNode = Y.Dom.get(referenceNode);
|
|
|
|
|
|
if (!newNode || !referenceNode || !referenceNode[PARENT_NODE]) {
|
|
|
return null;
|
|
|
}
|
|
|
|
|
|
return referenceNode[PARENT_NODE].insertBefore(newNode, referenceNode);
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Inserts the new node as the next sibling of the reference node
|
|
|
* @method insertAfter
|
|
|
* @param {String | HTMLElement} newNode The node to be inserted
|
|
|
* @param {String | HTMLElement} referenceNode The node to insert the new node after
|
|
|
* @return {HTMLElement} The node that was inserted (or null if insert fails)
|
|
|
*/
|
|
|
insertAfter: function(newNode, referenceNode) {
|
|
|
newNode = Y.Dom.get(newNode);
|
|
|
referenceNode = Y.Dom.get(referenceNode);
|
|
|
|
|
|
if (!newNode || !referenceNode || !referenceNode[PARENT_NODE]) {
|
|
|
return null;
|
|
|
}
|
|
|
|
|
|
if (referenceNode.nextSibling) {
|
|
|
return referenceNode[PARENT_NODE].insertBefore(newNode, referenceNode.nextSibling);
|
|
|
} else {
|
|
|
return referenceNode[PARENT_NODE].appendChild(newNode);
|
|
|
}
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Creates a Region based on the viewport relative to the document.
|
|
|
* @method getClientRegion
|
|
|
* @return {Region} A Region object representing the viewport which accounts for document scroll
|
|
|
*/
|
|
|
getClientRegion: function() {
|
|
|
var t = Y.Dom.getDocumentScrollTop(),
|
|
|
l = Y.Dom.getDocumentScrollLeft(),
|
|
|
r = Y.Dom.getViewportWidth() + l,
|
|
|
b = Y.Dom.getViewportHeight() + t;
|
|
|
|
|
|
return new Y.Region(t, r, b, l);
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Provides a normalized attribute interface.
|
|
|
* @method setAttribute
|
|
|
* @param {String | HTMLElement} el The target element for the attribute.
|
|
|
* @param {String} attr The attribute to set.
|
|
|
* @param {String} val The value of the attribute.
|
|
|
*/
|
|
|
setAttribute: function(el, attr, val) {
|
|
|
Y.Dom.batch(el, Y.Dom._setAttribute, { attr: attr, val: val });
|
|
|
},
|
|
|
|
|
|
_setAttribute: function(el, args) {
|
|
|
var attr = Y.Dom._toCamel(args.attr),
|
|
|
val = args.val;
|
|
|
|
|
|
if (el && el.setAttribute) {
|
|
|
if (Y.Dom.DOT_ATTRIBUTES[attr]) {
|
|
|
el[attr] = val;
|
|
|
} else {
|
|
|
attr = Y.Dom.CUSTOM_ATTRIBUTES[attr] || attr;
|
|
|
el.setAttribute(attr, val);
|
|
|
}
|
|
|
} else {
|
|
|
}
|
|
|
},
|
|
|
|
|
|
/**
|
|
|
* Provides a normalized attribute interface.
|
|
|
* @method getAttribute
|
|
|
* @param {String | HTMLElement} el The target element for the attribute.
|
|
|
* @param {String} attr The attribute to get.
|
|
|
* @return {String} The current value of the attribute.
|
|
|
*/
|
|
|
getAttribute: function(el, attr) {
|
|
|
return Y.Dom.batch(el, Y.Dom._getAttribute, attr);
|
|
|
},
|
|
|
|
|
|
|
|
|
_getAttribute: function(el, attr) {
|
|
|
var val;
|
|
|
attr = Y.Dom.CUSTOM_ATTRIBUTES[attr] || attr;
|
|
|
|
|
|
if (el && el.getAttribute) {
|
|
|
val = el.getAttribute(attr, 2);
|
|
|
} else {
|
|
|
}
|
|
|
|
|
|
return val;
|
|
|
},
|
|
|
|
|
|
_toCamel: function(property) {
|
|
|
var c = propertyCache;
|
|
|
|
|
|
function tU(x,l) {
|
|
|
return l.toUpperCase();
|
|
|
}
|
|
|
|
|
|
return c[property] || (c[property] = property.indexOf('-') === -1 ?
|
|
|
property :
|
|
|
property.replace( /-([a-z])/gi, tU ));
|
|
|
},
|
|
|
|
|
|
_getClassRegex: function(className) {
|
|
|
var re;
|
|
|
if (className !== undefined) { // allow empty string to pass
|
|
|
if (className.exec) { // already a RegExp
|
|
|
re = className;
|
|
|
} else {
|
|
|
re = reCache[className];
|
|
|
if (!re) {
|
|
|
// escape special chars (".", "[", etc.)
|
|
|
className = className.replace(Y.Dom._patterns.CLASS_RE_TOKENS, '\\$1');
|
|
|
re = reCache[className] = new RegExp(C_START + className + C_END, G);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return re;
|
|
|
},
|
|
|
|
|
|
_patterns: {
|
|
|
ROOT_TAG: /^body|html$/i, // body for quirks mode, html for standards,
|
|
|
CLASS_RE_TOKENS: /([\.\(\)\^\$\*\+\?\|\[\]\{\}\\])/g
|
|
|
},
|
|
|
|
|
|
|
|
|
_testElement: function(node, method) {
|
|
|
return node && node[NODE_TYPE] == 1 && ( !method || method(node) );
|
|
|
},
|
|
|
|
|
|
_calcBorders: function(node, xy2) {
|
|
|
var t = parseInt(Y.Dom[GET_COMPUTED_STYLE](node, BORDER_TOP_WIDTH), 10) || 0,
|
|
|
l = parseInt(Y.Dom[GET_COMPUTED_STYLE](node, BORDER_LEFT_WIDTH), 10) || 0;
|
|
|
if (isGecko) {
|
|
|
if (RE_TABLE.test(node[TAG_NAME])) {
|
|
|
t = 0;
|
|
|
l = 0;
|
|
|
}
|
|
|
}
|
|
|
xy2[0] += l;
|
|
|
xy2[1] += t;
|
|
|
return xy2;
|
|
|
}
|
|
|
};
|
|
|
|
|
|
var _getComputedStyle = Y.Dom[GET_COMPUTED_STYLE];
|
|
|
// fix opera computedStyle default color unit (convert to rgb)
|
|
|
if (UA.opera) {
|
|
|
Y.Dom[GET_COMPUTED_STYLE] = function(node, att) {
|
|
|
var val = _getComputedStyle(node, att);
|
|
|
if (RE_COLOR.test(att)) {
|
|
|
val = Y.Dom.Color.toRGB(val);
|
|
|
}
|
|
|
|
|
|
return val;
|
|
|
};
|
|
|
|
|
|
}
|
|
|
|
|
|
// safari converts transparent to rgba(), others use "transparent"
|
|
|
if (UA.webkit) {
|
|
|
Y.Dom[GET_COMPUTED_STYLE] = function(node, att) {
|
|
|
var val = _getComputedStyle(node, att);
|
|
|
|
|
|
if (val === 'rgba(0, 0, 0, 0)') {
|
|
|
val = 'transparent';
|
|
|
}
|
|
|
|
|
|
return val;
|
|
|
};
|
|
|
|
|
|
}
|
|
|
|
|
|
if (UA.ie && UA.ie >= 8 && document.documentElement.hasAttribute) { // IE 8 standards
|
|
|
Y.Dom.DOT_ATTRIBUTES.type = true; // IE 8 errors on input.setAttribute('type')
|
|
|
}
|
|
|
})();
|
|
|
/**
|
|
|
* 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
|
|
|
* @property y
|
|
|
* @type Int
|
|
|
*/
|
|
|
this.y = 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
|
|
|
* @property x
|
|
|
* @type Int
|
|
|
*/
|
|
|
this.x = l;
|
|
|
|
|
|
/**
|
|
|
* The region's left extent as index, for symmetry with set/getXY
|
|
|
* @property 0
|
|
|
* @type Int
|
|
|
*/
|
|
|
this[0] = l;
|
|
|
|
|
|
/**
|
|
|
* The region's total width
|
|
|
* @property width
|
|
|
* @type Int
|
|
|
*/
|
|
|
this.width = this.right - this.left;
|
|
|
|
|
|
/**
|
|
|
* The region's total height
|
|
|
* @property height
|
|
|
* @type Int
|
|
|
*/
|
|
|
this.height = this.bottom - this.top;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* 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 ),
|
|
|
r = Math.min( this.right, region.right ),
|
|
|
b = Math.min( this.bottom, region.bottom ),
|
|
|
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 ),
|
|
|
r = Math.max( this.right, region.right ),
|
|
|
b = Math.max( this.bottom, region.bottom ),
|
|
|
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 +
|
|
|
", height: " + this.height +
|
|
|
", width: " + this.width +
|
|
|
"}" );
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* 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),
|
|
|
t = p[1],
|
|
|
r = p[0] + el.offsetWidth,
|
|
|
b = p[1] + el.offsetHeight,
|
|
|
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 (YAHOO.lang.isArray(x)) { // accept input from Dom.getXY, Event.getXY, etc.
|
|
|
y = x[1]; // dont blow away x yet
|
|
|
x = x[0];
|
|
|
}
|
|
|
|
|
|
YAHOO.util.Point.superclass.constructor.call(this, y, x, y, x);
|
|
|
};
|
|
|
|
|
|
YAHOO.extend(YAHOO.util.Point, YAHOO.util.Region);
|
|
|
|
|
|
(function() {
|
|
|
/**
|
|
|
* Add style management functionality to DOM.
|
|
|
* @module dom
|
|
|
* @for Dom
|
|
|
*/
|
|
|
|
|
|
var Y = YAHOO.util,
|
|
|
CLIENT_TOP = 'clientTop',
|
|
|
CLIENT_LEFT = 'clientLeft',
|
|
|
PARENT_NODE = 'parentNode',
|
|
|
RIGHT = 'right',
|
|
|
HAS_LAYOUT = 'hasLayout',
|
|
|
PX = 'px',
|
|
|
OPACITY = 'opacity',
|
|
|
AUTO = 'auto',
|
|
|
BORDER_LEFT_WIDTH = 'borderLeftWidth',
|
|
|
BORDER_TOP_WIDTH = 'borderTopWidth',
|
|
|
BORDER_RIGHT_WIDTH = 'borderRightWidth',
|
|
|
BORDER_BOTTOM_WIDTH = 'borderBottomWidth',
|
|
|
VISIBLE = 'visible',
|
|
|
TRANSPARENT = 'transparent',
|
|
|
HEIGHT = 'height',
|
|
|
WIDTH = 'width',
|
|
|
STYLE = 'style',
|
|
|
CURRENT_STYLE = 'currentStyle',
|
|
|
|
|
|
// IE getComputedStyle
|
|
|
// TODO: unit-less lineHeight (e.g. 1.22)
|
|
|
re_size = /^width|height$/,
|
|
|
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,
|
|
|
|
|
|
ComputedStyle = {
|
|
|
get: function(el, property) {
|
|
|
var value = '',
|
|
|
current = el[CURRENT_STYLE][property];
|
|
|
|
|
|
if (property === OPACITY) {
|
|
|
value = Y.Dom.getStyle(el, OPACITY);
|
|
|
} else if (!current || (current.indexOf && current.indexOf(PX) > -1)) { // no need to convert
|
|
|
value = current;
|
|
|
} else if (Y.Dom.IE_COMPUTED[property]) { // use compute function
|
|
|
value = Y.Dom.IE_COMPUTED[property](el, property);
|
|
|
} else if (re_unit.test(current)) { // convert to pixel
|
|
|
value = Y.Dom.IE.ComputedStyle.getPixel(el, property);
|
|
|
} else {
|
|
|
value = current;
|
|
|
}
|
|
|
|
|
|
return value;
|
|
|
},
|
|
|
|
|
|
getOffset: function(el, prop) {
|
|
|
var current = el[CURRENT_STYLE][prop], // value of "width", "top", etc.
|
|
|
capped = prop.charAt(0).toUpperCase() + prop.substr(1), // "Width", "Top", etc.
|
|
|
offset = 'offset' + capped, // "offsetWidth", "offsetTop", etc.
|
|
|
pixel = 'pixel' + capped, // "pixelWidth", "pixelTop", etc.
|
|
|
value = '',
|
|
|
actual;
|
|
|
|
|
|
if (current == AUTO) {
|
|
|
actual = el[offset]; // offsetHeight/Top etc.
|
|
|
if (actual === undefined) { // likely "right" or "bottom"
|
|
|
value = 0;
|
|
|
}
|
|
|
|
|
|
value = actual;
|
|
|
if (re_size.test(prop)) { // account for box model diff
|
|
|
el[STYLE][prop] = actual;
|
|
|
if (el[offset] > actual) {
|
|
|
// the difference is padding + border (works in Standards & Quirks modes)
|
|
|
value = actual - (el[offset] - actual);
|
|
|
}
|
|
|
el[STYLE][prop] = AUTO; // revert to auto
|
|
|
}
|
|
|
} else { // convert units to px
|
|
|
if (!el[STYLE][pixel] && !el[STYLE][prop]) { // need to map style.width to currentStyle (no currentStyle.pixelWidth)
|
|
|
el[STYLE][prop] = current; // no style.pixelWidth if no style.width
|
|
|
}
|
|
|
value = el[STYLE][pixel];
|
|
|
}
|
|
|
return value + PX;
|
|
|
},
|
|
|
|
|
|
getBorderWidth: function(el, property) {
|
|
|
// clientHeight/Width = paddingBox (e.g. offsetWidth - borderWidth)
|
|
|
// clientTop/Left = borderWidth
|
|
|
var value = null;
|
|
|
if (!el[CURRENT_STYLE][HAS_LAYOUT]) { // TODO: unset layout?
|
|
|
el[STYLE].zoom = 1; // need layout to measure client
|
|
|
}
|
|
|
|
|
|
switch(property) {
|
|
|
case BORDER_TOP_WIDTH:
|
|
|
value = el[CLIENT_TOP];
|
|
|
break;
|
|
|
case BORDER_BOTTOM_WIDTH:
|
|
|
value = el.offsetHeight - el.clientHeight - el[CLIENT_TOP];
|
|
|
break;
|
|
|
case BORDER_LEFT_WIDTH:
|
|
|
value = el[CLIENT_LEFT];
|
|
|
break;
|
|
|
case BORDER_RIGHT_WIDTH:
|
|
|
value = el.offsetWidth - el.clientWidth - el[CLIENT_LEFT];
|
|
|
break;
|
|
|
}
|
|
|
return value + PX;
|
|
|
},
|
|
|
|
|
|
getPixel: function(node, att) {
|
|
|
// use pixelRight to convert to px
|
|
|
var val = null,
|
|
|
styleRight = node[CURRENT_STYLE][RIGHT],
|
|
|
current = node[CURRENT_STYLE][att];
|
|
|
|
|
|
node[STYLE][RIGHT] = current;
|
|
|
val = node[STYLE].pixelRight;
|
|
|
node[STYLE][RIGHT] = styleRight; // revert
|
|
|
|
|
|
return val + PX;
|
|
|
},
|
|
|
|
|
|
getMargin: function(node, att) {
|
|
|
var val;
|
|
|
if (node[CURRENT_STYLE][att] == AUTO) {
|
|
|
val = 0 + PX;
|
|
|
} else {
|
|
|
val = Y.Dom.IE.ComputedStyle.getPixel(node, att);
|
|
|
}
|
|
|
return val;
|
|
|
},
|
|
|
|
|
|
getVisibility: function(node, att) {
|
|
|
var current;
|
|
|
while ( (current = node[CURRENT_STYLE]) && current[att] == 'inherit') { // NOTE: assignment in test
|
|
|
node = node[PARENT_NODE];
|
|
|
}
|
|
|
return (current) ? current[att] : VISIBLE;
|
|
|
},
|
|
|
|
|
|
getColor: function(node, att) {
|
|
|
return Y.Dom.Color.toRGB(node[CURRENT_STYLE][att]) || TRANSPARENT;
|
|
|
},
|
|
|
|
|
|
getBorderColor: function(node, att) {
|
|
|
var current = node[CURRENT_STYLE],
|
|
|
val = current[att] || current.color;
|
|
|
return Y.Dom.Color.toRGB(Y.Dom.Color.toHex(val));
|
|
|
}
|
|
|
|
|
|
},
|
|
|
|
|
|
//fontSize: getPixelFont,
|
|
|
IEComputed = {};
|
|
|
|
|
|
IEComputed.top = IEComputed.right = IEComputed.bottom = IEComputed.left =
|
|
|
IEComputed[WIDTH] = IEComputed[HEIGHT] = ComputedStyle.getOffset;
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IEComputed.color = ComputedStyle.getColor;
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IEComputed[BORDER_TOP_WIDTH] = IEComputed[BORDER_RIGHT_WIDTH] =
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IEComputed[BORDER_BOTTOM_WIDTH] = IEComputed[BORDER_LEFT_WIDTH] =
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ComputedStyle.getBorderWidth;
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IEComputed.marginTop = IEComputed.marginRight = IEComputed.marginBottom =
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IEComputed.marginLeft = ComputedStyle.getMargin;
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IEComputed.visibility = ComputedStyle.getVisibility;
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IEComputed.borderColor = IEComputed.borderTopColor =
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|
IEComputed.borderRightColor = IEComputed.borderBottomColor =
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|
IEComputed.borderLeftColor = ComputedStyle.getBorderColor;
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Y.Dom.IE_COMPUTED = IEComputed;
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|
|
Y.Dom.IE_ComputedStyle = ComputedStyle;
|
|
|
})();
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(function() {
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|
/**
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|
* Add style management functionality to DOM.
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|
* @module dom
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|
|
* @for Dom
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|
*/
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|
|
|
|
var TO_STRING = 'toString',
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|
|
PARSE_INT = parseInt,
|
|
|
RE = RegExp,
|
|
|
Y = YAHOO.util;
|
|
|
|
|
|
Y.Dom.Color = {
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|
|
KEYWORDS: {
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|
|
black: '000',
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|
|
silver: 'c0c0c0',
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|
|
gray: '808080',
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|
|
white: 'fff',
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|
|
maroon: '800000',
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|
|
red: 'f00',
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|
|
purple: '800080',
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|
|
fuchsia: 'f0f',
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|
|
green: '008000',
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|
|
lime: '0f0',
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|
|
olive: '808000',
|
|
|
yellow: 'ff0',
|
|
|
navy: '000080',
|
|
|
blue: '00f',
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|
|
teal: '008080',
|
|
|
aqua: '0ff'
|
|
|
},
|
|
|
|
|
|
re_RGB: /^rgb\(([0-9]+)\s*,\s*([0-9]+)\s*,\s*([0-9]+)\)$/i,
|
|
|
re_hex: /^#?([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{2})$/i,
|
|
|
re_hex3: /([0-9A-F])/gi,
|
|
|
|
|
|
toRGB: function(val) {
|
|
|
if (!Y.Dom.Color.re_RGB.test(val)) {
|
|
|
val = Y.Dom.Color.toHex(val);
|
|
|
}
|
|
|
|
|
|
if(Y.Dom.Color.re_hex.exec(val)) {
|
|
|
val = 'rgb(' + [
|
|
|
PARSE_INT(RE.$1, 16),
|
|
|
PARSE_INT(RE.$2, 16),
|
|
|
PARSE_INT(RE.$3, 16)
|
|
|
].join(', ') + ')';
|
|
|
}
|
|
|
return val;
|
|
|
},
|
|
|
|
|
|
toHex: function(val) {
|
|
|
val = Y.Dom.Color.KEYWORDS[val] || val;
|
|
|
if (Y.Dom.Color.re_RGB.exec(val)) {
|
|
|
var r = (RE.$1.length === 1) ? '0' + RE.$1 : Number(RE.$1),
|
|
|
g = (RE.$2.length === 1) ? '0' + RE.$2 : Number(RE.$2),
|
|
|
b = (RE.$3.length === 1) ? '0' + RE.$3 : Number(RE.$3);
|
|
|
|
|
|
val = [
|
|
|
r[TO_STRING](16),
|
|
|
g[TO_STRING](16),
|
|
|
b[TO_STRING](16)
|
|
|
].join('');
|
|
|
}
|
|
|
|
|
|
if (val.length < 6) {
|
|
|
val = val.replace(Y.Dom.Color.re_hex3, '$1$1');
|
|
|
}
|
|
|
|
|
|
if (val !== 'transparent' && val.indexOf('#') < 0) {
|
|
|
val = '#' + val;
|
|
|
}
|
|
|
|
|
|
return val.toLowerCase();
|
|
|
}
|
|
|
};
|
|
|
}());
|
|
|
YAHOO.register("dom", YAHOO.util.Dom, {version: "2.8.2r1", build: "7"});
|
|
|
|
