2 YUI 3.13.0 (build 508226d)
3 Copyright 2013 Yahoo! Inc. All rights reserved.
4 Licensed under the BSD License.
5 http://yuilibrary.com/license/
8 YUI.add('dom-base', function (Y, NAME) {
14 var documentElement = Y.config.doc.documentElement,
17 OWNER_DOCUMENT = 'ownerDocument',
19 addFeature = Y.Features.add,
20 testFeature = Y.Features.test;
24 * Returns the text content of the HTMLElement.
26 * @param {HTMLElement} element The html element.
27 * @return {String} The text content of the element (includes text of any descending elements).
29 getText: (documentElement.textContent !== undefined) ?
33 ret = element.textContent;
36 } : function(element) {
39 ret = element.innerText || element.nodeValue; // might be a textNode
45 * Sets the text content of the HTMLElement.
47 * @param {HTMLElement} element The html element.
48 * @param {String} content The content to add.
50 setText: (documentElement.textContent !== undefined) ?
51 function(element, content) {
53 element.textContent = content;
55 } : function(element, content) {
56 if ('innerText' in element) {
57 element.innerText = content;
58 } else if ('nodeValue' in element) {
59 element.nodeValue = content;
63 CUSTOM_ATTRIBUTES: (!documentElement.hasAttribute) ? { // IE < 8
72 * Provides a normalized attribute interface.
73 * @method setAttribute
74 * @param {HTMLElement} el The target element for the attribute.
75 * @param {String} attr The attribute to set.
76 * @param {String} val The value of the attribute.
78 setAttribute: function(el, attr, val, ieAttr) {
79 if (el && attr && el.setAttribute) {
80 attr = Y_DOM.CUSTOM_ATTRIBUTES[attr] || attr;
81 el.setAttribute(attr, val, ieAttr);
87 * Provides a normalized attribute interface.
88 * @method getAttribute
89 * @param {HTMLElement} el The target element for the attribute.
90 * @param {String} attr The attribute to get.
91 * @return {String} The current value of the attribute.
93 getAttribute: function(el, attr, ieAttr) {
94 ieAttr = (ieAttr !== undefined) ? ieAttr : 2;
96 if (el && attr && el.getAttribute) {
97 attr = Y_DOM.CUSTOM_ATTRIBUTES[attr] || attr;
98 ret = el.getAttribute(attr, ieAttr);
101 ret = ''; // per DOM spec
111 getValue: function(node) {
112 var ret = '', // TODO: return null?
115 if (node && node[TAG_NAME]) {
116 getter = Y_DOM.VALUE_GETTERS[node[TAG_NAME].toLowerCase()];
125 // workaround for IE8 JSON stringify bug
126 // which converts empty string values to null
127 if (ret === EMPTY_STRING) {
128 ret = EMPTY_STRING; // for real
131 return (typeof ret === 'string') ? ret : '';
134 setValue: function(node, val) {
137 if (node && node[TAG_NAME]) {
138 setter = Y_DOM.VALUE_SETTERS[node[TAG_NAME].toLowerCase()];
151 addFeature('value-set', 'select', {
153 var node = Y.config.doc.createElement('select');
154 node.innerHTML = '<option>1</option><option>2</option>';
156 return (node.value && node.value === '2');
160 if (!testFeature('value-set', 'select')) {
161 Y_DOM.VALUE_SETTERS.select = function(node, val) {
162 for (var i = 0, options = node.getElementsByTagName('option'), option;
163 option = options[i++];) {
164 if (Y_DOM.getValue(option) === val) {
165 option.selected = true;
166 //Y_DOM.setAttribute(option, 'selected', 'selected');
173 Y.mix(Y_DOM.VALUE_GETTERS, {
174 button: function(node) {
175 return (node.attributes && node.attributes.value) ? node.attributes.value.value : '';
179 Y.mix(Y_DOM.VALUE_SETTERS, {
180 // IE: node.value changes the button text, which should be handled via innerHTML
181 button: function(node, val) {
182 var attr = node.attributes.value;
184 attr = node[OWNER_DOCUMENT].createAttribute('value');
185 node.setAttributeNode(attr);
193 Y.mix(Y_DOM.VALUE_GETTERS, {
194 option: function(node) {
195 var attrs = node.attributes;
196 return (attrs.value && attrs.value.specified) ? node.value : node.text;
199 select: function(node) {
200 var val = node.value,
201 options = node.options;
203 if (options && options.length) {
204 // TODO: implement multipe select
206 } else if (node.selectedIndex > -1) {
207 val = Y_DOM.getValue(options[node.selectedIndex]);
214 var addClass, hasClass, removeClass;
218 * Determines whether a DOM element has the given className.
221 * @param {HTMLElement} element The DOM element.
222 * @param {String} className the class name to search for
223 * @return {Boolean} Whether or not the element has the given class.
225 hasClass: function(node, className) {
226 var re = Y.DOM._getRegExp('(?:^|\\s+)' + className + '(?:\\s+|$)');
227 return re.test(node.className);
231 * Adds a class name to a given DOM element.
234 * @param {HTMLElement} element The DOM element.
235 * @param {String} className the class name to add to the class attribute
237 addClass: function(node, className) {
238 if (!Y.DOM.hasClass(node, className)) { // skip if already present
239 node.className = Y.Lang.trim([node.className, className].join(' '));
244 * Removes a class name from a given element.
245 * @method removeClass
247 * @param {HTMLElement} element The DOM element.
248 * @param {String} className the class name to remove from the class attribute
250 removeClass: function(node, className) {
251 if (className && hasClass(node, className)) {
252 node.className = Y.Lang.trim(node.className.replace(Y.DOM._getRegExp('(?:^|\\s+)' +
253 className + '(?:\\s+|$)'), ' '));
255 if ( hasClass(node, className) ) { // in case of multiple adjacent
256 removeClass(node, className);
262 * Replace a class with another class for a given element.
263 * If no oldClassName is present, the newClassName is simply added.
264 * @method replaceClass
266 * @param {HTMLElement} element The DOM element
267 * @param {String} oldClassName the class name to be replaced
268 * @param {String} newClassName the class name that will be replacing the old class name
270 replaceClass: function(node, oldC, newC) {
271 removeClass(node, oldC); // remove first in case oldC === newC
272 addClass(node, newC);
276 * If the className exists on the node it is removed, if it doesn't exist it is added.
277 * @method toggleClass
279 * @param {HTMLElement} element The DOM element
280 * @param {String} className the class name to be toggled
281 * @param {Boolean} addClass optional boolean to indicate whether class
282 * should be added or removed regardless of current state
284 toggleClass: function(node, className, force) {
285 var add = (force !== undefined) ? force :
286 !(hasClass(node, className));
289 addClass(node, className);
291 removeClass(node, className);
296 hasClass = Y.DOM.hasClass;
297 removeClass = Y.DOM.removeClass;
298 addClass = Y.DOM.addClass;
300 var re_tag = /<([a-z]+)/i,
304 addFeature = Y.Features.add,
305 testFeature = Y.Features.test,
309 createFromDIV = function(html, tag) {
310 var div = Y.config.doc.createElement('div'),
313 div.innerHTML = html;
314 if (!div.firstChild || div.firstChild.tagName !== tag.toUpperCase()) {
321 re_tbody = /(?:\/(?:thead|tfoot|tbody|caption|col|colgroup)>)+\s*<tbody/,
323 TABLE_OPEN = '<table>',
324 TABLE_CLOSE = '</table>';
329 _create: function(html, doc, tag) {
332 var frag = Y_DOM._fragClones[tag];
334 frag = frag.cloneNode(false);
336 frag = Y_DOM._fragClones[tag] = doc.createElement(tag);
338 frag.innerHTML = html;
342 _children: function(node, tag) {
344 children = node.children,
349 if (children && children.tags) { // use tags filter when possible
351 children = node.children.tags(tag);
352 } else { // IE leaks comments into children
353 hasComments = children.tags('!').length;
357 if (!children || (!children.tags && tag) || hasComments) {
358 childNodes = children || node.childNodes;
360 while ((child = childNodes[i++])) {
361 if (child.nodeType === 1) {
362 if (!tag || tag === child.tagName) {
363 children.push(child);
369 return children || [];
373 * Creates a new dom node using the provided markup string.
375 * @param {String} html The markup used to create the element
376 * @param {HTMLDocument} doc An optional document context
377 * @return {HTMLElement|DocumentFragment} returns a single HTMLElement
378 * when creating one node, and a documentFragment when creating
381 create: function(html, doc) {
382 if (typeof html === 'string') {
383 html = Y.Lang.trim(html); // match IE which trims whitespace from innerHTML
387 doc = doc || Y.config.doc;
388 var m = re_tag.exec(html),
389 create = Y_DOM._create,
395 if (html != undefined) { // not undefined or null
397 creator = custom[m[1].toLowerCase()];
398 if (typeof creator === 'function') {
405 nodes = create(html, doc, tag).childNodes;
407 if (nodes.length === 1) { // return single node, breaking parentNode ref from "fragment"
408 ret = nodes[0].parentNode.removeChild(nodes[0]);
409 } else if (nodes[0] && nodes[0].className === 'yui3-big-dummy') { // using dummy node to preserve some attributes (e.g. OPTION not selected)
410 if (nodes.length === 2) {
411 ret = nodes[0].nextSibling;
413 nodes[0].parentNode.removeChild(nodes[0]);
414 ret = Y_DOM._nl2frag(nodes, doc);
416 } else { // return multiple nodes as a fragment
417 ret = Y_DOM._nl2frag(nodes, doc);
425 _nl2frag: function(nodes, doc) {
429 if (nodes && (nodes.push || nodes.item) && nodes[0]) {
430 doc = doc || nodes[0].ownerDocument;
431 ret = doc.createDocumentFragment();
433 if (nodes.item) { // convert live list to static array
434 nodes = Y.Array(nodes, 0, true);
437 for (i = 0, len = nodes.length; i < len; i++) {
438 ret.appendChild(nodes[i]);
440 } // else inline with log for minification
445 * Inserts content in a node at the given location
447 * @param {HTMLElement} node The node to insert into
448 * @param {HTMLElement | Array | HTMLCollection} content The content to be inserted
449 * @param {HTMLElement} where Where to insert the content
450 * If no "where" is given, content is appended to the node
451 * Possible values for "where"
453 * <dt>HTMLElement</dt>
454 * <dd>The element to insert before</dd>
456 * <dd>Replaces the existing HTML</dd>
458 * <dd>Inserts before the existing HTML</dd>
460 * <dd>Inserts content before the node</dd>
462 * <dd>Inserts content after the node</dd>
465 addHTML: function(node, content, where) {
466 var nodeParent = node.parentNode,
473 if (content != undefined) { // not null or undefined (maybe 0)
474 if (content.nodeType) { // DOM node, just add it
476 } else if (typeof content == 'string' || typeof content == 'number') {
477 ret = newNode = Y_DOM.create(content);
478 } else if (content[0] && content[0].nodeType) { // array or collection
479 newNode = Y.config.doc.createDocumentFragment();
480 while ((item = content[i++])) {
481 newNode.appendChild(item); // append to fragment for insertion
487 if (newNode && where.parentNode) { // insert regardless of relationship to node
488 where.parentNode.insertBefore(newNode, where);
492 while (node.firstChild) {
493 node.removeChild(node.firstChild);
495 if (newNode) { // allow empty content to clear node
496 node.appendChild(newNode);
501 nodeParent.insertBefore(newNode, node);
506 if (node.nextSibling) { // IE errors if refNode is null
507 nodeParent.insertBefore(newNode, node.nextSibling);
509 nodeParent.appendChild(newNode);
515 node.appendChild(newNode);
519 } else if (newNode) {
520 node.appendChild(newNode);
526 wrap: function(node, html) {
527 var parent = (html && html.nodeType) ? html : Y.DOM.create(html),
528 nodes = parent.getElementsByTagName('*');
531 parent = nodes[nodes.length - 1];
534 if (node.parentNode) {
535 node.parentNode.replaceChild(parent, node);
537 parent.appendChild(node);
540 unwrap: function(node) {
541 var parent = node.parentNode,
542 lastChild = parent.lastChild,
547 grandparent = parent.parentNode;
549 node = parent.firstChild;
550 while (node !== lastChild) {
551 next = node.nextSibling;
552 grandparent.insertBefore(node, parent);
555 grandparent.replaceChild(lastChild, parent);
557 parent.removeChild(node);
563 addFeature('innerhtml', 'table', {
565 var node = Y.config.doc.createElement('table');
567 node.innerHTML = '<tbody></tbody>';
571 return (node.firstChild && node.firstChild.nodeName === 'TBODY');
575 addFeature('innerhtml-div', 'tr', {
577 return createFromDIV('<tr></tr>', 'tr');
581 addFeature('innerhtml-div', 'script', {
583 return createFromDIV('<script></script>', 'script');
587 if (!testFeature('innerhtml', 'table')) {
588 // TODO: thead/tfoot with nested tbody
589 // IE adds TBODY when creating TABLE elements (which may share this impl)
590 creators.tbody = function(html, doc) {
591 var frag = Y_DOM.create(TABLE_OPEN + html + TABLE_CLOSE, doc),
592 tb = Y.DOM._children(frag, 'tbody')[0];
594 if (frag.children.length > 1 && tb && !re_tbody.test(html)) {
595 tb.parentNode.removeChild(tb); // strip extraneous tbody
601 if (!testFeature('innerhtml-div', 'script')) {
602 creators.script = function(html, doc) {
603 var frag = doc.createElement('div');
605 frag.innerHTML = '-' + html;
606 frag.removeChild(frag.firstChild);
610 creators.link = creators.style = creators.script;
613 if (!testFeature('innerhtml-div', 'tr')) {
615 option: function(html, doc) {
616 return Y_DOM.create('<select><option class="yui3-big-dummy" selected></option>' + html + '</select>', doc);
619 tr: function(html, doc) {
620 return Y_DOM.create('<tbody>' + html + '</tbody>', doc);
623 td: function(html, doc) {
624 return Y_DOM.create('<tr>' + html + '</tr>', doc);
627 col: function(html, doc) {
628 return Y_DOM.create('<colgroup>' + html + '</colgroup>', doc);
637 thead: creators.tbody,
638 tfoot: creators.tbody,
639 caption: creators.tbody,
640 colgroup: creators.tbody,
641 optgroup: creators.option
645 Y_DOM.creators = creators;
648 * Sets the width of the element to the given size, regardless
649 * of box model, border, padding, etc.
651 * @param {HTMLElement} element The DOM element.
652 * @param {String|Number} size The pixel height to size to
655 setWidth: function(node, size) {
656 Y.DOM._setSize(node, 'width', size);
660 * Sets the height of the element to the given size, regardless
661 * of box model, border, padding, etc.
663 * @param {HTMLElement} element The DOM element.
664 * @param {String|Number} size The pixel height to size to
667 setHeight: function(node, size) {
668 Y.DOM._setSize(node, 'height', size);
671 _setSize: function(node, prop, val) {
672 val = (val > 0) ? val : 0;
675 node.style[prop] = val + 'px';
676 size = (prop === 'height') ? node.offsetHeight : node.offsetWidth;
679 val = val - (size - val);
685 node.style[prop] = val + 'px';
691 }, '3.13.0', {"requires": ["dom-core"]});