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/*
YUI 3.17.2 (build 9c3c78e)
Copyright 2014 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
YUI.add('dom-base', function (Y, NAME) {
/**
* @for DOM
* @module dom
*/
var documentElement = Y.config.doc.documentElement,
Y_DOM = Y.DOM,
TAG_NAME = 'tagName',
OWNER_DOCUMENT = 'ownerDocument',
EMPTY_STRING = '',
addFeature = Y.Features.add,
testFeature = Y.Features.test;
Y.mix(Y_DOM, {
/**
* Returns the text content of the HTMLElement.
* @method getText
* @param {HTMLElement} element The html element.
* @return {String} The text content of the element (includes text of any descending elements).
*/
getText: (documentElement.textContent !== undefined) ?
function(element) {
var ret = '';
if (element) {
ret = element.textContent;
}
return ret || '';
} : function(element) {
var ret = '';
if (element) {
ret = element.innerText || element.nodeValue; // might be a textNode
}
return ret || '';
},
/**
* Sets the text content of the HTMLElement.
* @method setText
* @param {HTMLElement} element The html element.
* @param {String} content The content to add.
*/
setText: (documentElement.textContent !== undefined) ?
function(element, content) {
if (element) {
element.textContent = content;
}
} : function(element, content) {
if ('innerText' in element) {
element.innerText = content;
} else if ('nodeValue' in element) {
element.nodeValue = content;
}
},
CUSTOM_ATTRIBUTES: (!documentElement.hasAttribute) ? { // IE < 8
'for': 'htmlFor',
'class': 'className'
} : { // w3c
'htmlFor': 'for',
'className': 'class'
},
/**
* Provides a normalized attribute interface.
* @method setAttribute
* @param {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, ieAttr) {
if (el && attr && el.setAttribute) {
attr = Y_DOM.CUSTOM_ATTRIBUTES[attr] || attr;
el.setAttribute(attr, val, ieAttr);
}
else { Y.log('bad input to setAttribute', 'warn', 'dom'); }
},
/**
* Provides a normalized attribute interface.
* @method getAttribute
* @param {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, ieAttr) {
ieAttr = (ieAttr !== undefined) ? ieAttr : 2;
var ret = '';
if (el && attr && el.getAttribute) {
attr = Y_DOM.CUSTOM_ATTRIBUTES[attr] || attr;
// BUTTON value issue for IE < 8
ret = (el.tagName === "BUTTON" && attr === 'value') ? Y_DOM.getValue(el) : el.getAttribute(attr, ieAttr);
if (ret === null) {
ret = ''; // per DOM spec
}
}
else { Y.log('bad input to getAttribute', 'warn', 'dom'); }
return ret;
},
VALUE_SETTERS: {},
VALUE_GETTERS: {},
getValue: function(node) {
var ret = '', // TODO: return null?
getter;
if (node && node[TAG_NAME]) {
getter = Y_DOM.VALUE_GETTERS[node[TAG_NAME].toLowerCase()];
if (getter) {
ret = getter(node);
} else {
ret = node.value;
}
}
// workaround for IE8 JSON stringify bug
// which converts empty string values to null
if (ret === EMPTY_STRING) {
ret = EMPTY_STRING; // for real
}
return (typeof ret === 'string') ? ret : '';
},
setValue: function(node, val) {
var setter;
if (node && node[TAG_NAME]) {
setter = Y_DOM.VALUE_SETTERS[node[TAG_NAME].toLowerCase()];
val = (val === null) ? '' : val;
if (setter) {
setter(node, val);
} else {
node.value = val;
}
}
},
creators: {}
});
addFeature('value-set', 'select', {
test: function() {
var node = Y.config.doc.createElement('select');
node.innerHTML = '<option>1</option><option>2</option>';
node.value = '2';
return (node.value && node.value === '2');
}
});
if (!testFeature('value-set', 'select')) {
Y_DOM.VALUE_SETTERS.select = function(node, val) {
for (var i = 0, options = node.getElementsByTagName('option'), option;
option = options[i++];) {
if (Y_DOM.getValue(option) === val) {
option.selected = true;
//Y_DOM.setAttribute(option, 'selected', 'selected');
break;
}
}
};
}
Y.mix(Y_DOM.VALUE_GETTERS, {
button: function(node) {
return (node.attributes && node.attributes.value) ? node.attributes.value.value : '';
}
});
Y.mix(Y_DOM.VALUE_SETTERS, {
// IE: node.value changes the button text, which should be handled via innerHTML
button: function(node, val) {
var attr = node.attributes.value;
if (!attr) {
attr = node[OWNER_DOCUMENT].createAttribute('value');
node.setAttributeNode(attr);
}
attr.value = val;
}
});
Y.mix(Y_DOM.VALUE_GETTERS, {
option: function(node) {
var attrs = node.attributes;
return (attrs.value && attrs.value.specified) ? node.value : node.text;
},
select: function(node) {
var val = node.value,
options = node.options;
if (options && options.length) {
// TODO: implement multipe select
if (node.multiple) {
Y.log('multiple select normalization not implemented', 'warn', 'DOM');
} else if (node.selectedIndex > -1) {
val = Y_DOM.getValue(options[node.selectedIndex]);
}
}
return val;
}
});
var addClass, hasClass, removeClass;
Y.mix(Y.DOM, {
/**
* Determines whether a DOM element has the given className.
* @method hasClass
* @for DOM
* @param {HTMLElement} element The DOM element.
* @param {String} className the class name to search for
* @return {Boolean} Whether or not the element has the given class.
*/
hasClass: function(node, className) {
var re = Y.DOM._getRegExp('(?:^|\\s+)' + className + '(?:\\s+|$)');
return re.test(node.className);
},
/**
* Adds a class name to a given DOM element.
* @method addClass
* @for DOM
* @param {HTMLElement} element The DOM element.
* @param {String} className the class name to add to the class attribute
*/
addClass: function(node, className) {
if (!Y.DOM.hasClass(node, className)) { // skip if already present
node.className = Y.Lang.trim([node.className, className].join(' '));
}
},
/**
* Removes a class name from a given element.
* @method removeClass
* @for DOM
* @param {HTMLElement} element The DOM element.
* @param {String} className the class name to remove from the class attribute
*/
removeClass: function(node, className) {
if (className && hasClass(node, className)) {
node.className = Y.Lang.trim(node.className.replace(Y.DOM._getRegExp('(?:^|\\s+)' +
className + '(?:\\s+|$)'), ' '));
if ( hasClass(node, className) ) { // in case of multiple adjacent
removeClass(node, className);
}
}
},
/**
* Replace a class with another class for a given element.
* If no oldClassName is present, the newClassName is simply added.
* @method replaceClass
* @for DOM
* @param {HTMLElement} element The DOM element
* @param {String} oldClassName the class name to be replaced
* @param {String} newClassName the class name that will be replacing the old class name
*/
replaceClass: function(node, oldC, newC) {
//Y.log('replaceClass replacing ' + oldC + ' with ' + newC, 'info', 'Node');
removeClass(node, oldC); // remove first in case oldC === newC
addClass(node, newC);
},
/**
* If the className exists on the node it is removed, if it doesn't exist it is added.
* @method toggleClass
* @for DOM
* @param {HTMLElement} element The DOM element
* @param {String} className the class name to be toggled
* @param {Boolean} addClass optional boolean to indicate whether class
* should be added or removed regardless of current state
*/
toggleClass: function(node, className, force) {
var add = (force !== undefined) ? force :
!(hasClass(node, className));
if (add) {
addClass(node, className);
} else {
removeClass(node, className);
}
}
});
hasClass = Y.DOM.hasClass;
removeClass = Y.DOM.removeClass;
addClass = Y.DOM.addClass;
var re_tag = /<([a-z]+)/i,
Y_DOM = Y.DOM,
addFeature = Y.Features.add,
testFeature = Y.Features.test,
creators = {},
createFromDIV = function(html, tag) {
var div = Y.config.doc.createElement('div'),
ret = true;
div.innerHTML = html;
if (!div.firstChild || div.firstChild.tagName !== tag.toUpperCase()) {
ret = false;
}
return ret;
},
re_tbody = /(?:\/(?:thead|tfoot|tbody|caption|col|colgroup)>)+\s*<tbody/,
TABLE_OPEN = '<table>',
TABLE_CLOSE = '</table>',
selectedIndex;
Y.mix(Y.DOM, {
_fragClones: {},
_create: function(html, doc, tag) {
tag = tag || 'div';
var frag = Y_DOM._fragClones[tag];
if (frag) {
frag = frag.cloneNode(false);
} else {
frag = Y_DOM._fragClones[tag] = doc.createElement(tag);
}
frag.innerHTML = html;
return frag;
},
_children: function(node, tag) {
var i = 0,
children = node.children,
childNodes,
hasComments,
child;
if (children && children.tags) { // use tags filter when possible
if (tag) {
children = node.children.tags(tag);
} else { // IE leaks comments into children
hasComments = children.tags('!').length;
}
}
if (!children || (!children.tags && tag) || hasComments) {
childNodes = children || node.childNodes;
children = [];
while ((child = childNodes[i++])) {
if (child.nodeType === 1) {
if (!tag || tag === child.tagName) {
children.push(child);
}
}
}
}
return children || [];
},
/**
* Creates a new dom node using the provided markup string.
* @method create
* @param {String} html The markup used to create the element
* @param {HTMLDocument} doc An optional document context
* @return {HTMLElement|DocumentFragment} returns a single HTMLElement
* when creating one node, and a documentFragment when creating
* multiple nodes.
*/
create: function(html, doc) {
if (typeof html === 'string') {
html = Y.Lang.trim(html); // match IE which trims whitespace from innerHTML
}
doc = doc || Y.config.doc;
var m = re_tag.exec(html),
create = Y_DOM._create,
custom = creators,
ret = null,
creator, tag, node, nodes;
if (html != undefined) { // not undefined or null
if (m && m[1]) {
creator = custom[m[1].toLowerCase()];
if (typeof creator === 'function') {
create = creator;
} else {
tag = creator;
}
}
node = create(html, doc, tag);
nodes = node.childNodes;
if (nodes.length === 1) { // return single node, breaking parentNode ref from "fragment"
ret = node.removeChild(nodes[0]);
} else if (nodes[0] && nodes[0].className === 'yui3-big-dummy') { // using dummy node to preserve some attributes (e.g. OPTION not selected)
selectedIndex = node.selectedIndex;
if (nodes.length === 2) {
ret = nodes[0].nextSibling;
} else {
node.removeChild(nodes[0]);
ret = Y_DOM._nl2frag(nodes, doc);
}
} else { // return multiple nodes as a fragment
ret = Y_DOM._nl2frag(nodes, doc);
}
}
return ret;
},
_nl2frag: function(nodes, doc) {
var ret = null,
i, len;
if (nodes && (nodes.push || nodes.item) && nodes[0]) {
doc = doc || nodes[0].ownerDocument;
ret = doc.createDocumentFragment();
if (nodes.item) { // convert live list to static array
nodes = Y.Array(nodes, 0, true);
}
for (i = 0, len = nodes.length; i < len; i++) {
ret.appendChild(nodes[i]);
}
} // else inline with log for minification
return ret;
},
/**
* Inserts content in a node at the given location
* @method addHTML
* @param {HTMLElement} node The node to insert into
* @param {HTMLElement | Array | HTMLCollection} content The content to be inserted
* @param {HTMLElement} where Where to insert the content
* If no "where" is given, content is appended to the node
* Possible values for "where"
* <dl>
* <dt>HTMLElement</dt>
* <dd>The element to insert before</dd>
* <dt>"replace"</dt>
* <dd>Replaces the existing HTML</dd>
* <dt>"before"</dt>
* <dd>Inserts before the existing HTML</dd>
* <dt>"before"</dt>
* <dd>Inserts content before the node</dd>
* <dt>"after"</dt>
* <dd>Inserts content after the node</dd>
* </dl>
*/
addHTML: function(node, content, where) {
var nodeParent = node.parentNode,
i = 0,
item,
ret = content,
newNode;
if (content != undefined) { // not null or undefined (maybe 0)
if (content.nodeType) { // DOM node, just add it
newNode = content;
} else if (typeof content == 'string' || typeof content == 'number') {
ret = newNode = Y_DOM.create(content);
} else if (content[0] && content[0].nodeType) { // array or collection
newNode = Y.config.doc.createDocumentFragment();
while ((item = content[i++])) {
newNode.appendChild(item); // append to fragment for insertion
}
}
}
if (where) {
if (newNode && where.parentNode) { // insert regardless of relationship to node
where.parentNode.insertBefore(newNode, where);
} else {
switch (where) {
case 'replace':
while (node.firstChild) {
node.removeChild(node.firstChild);
}
if (newNode) { // allow empty content to clear node
node.appendChild(newNode);
}
break;
case 'before':
if (newNode) {
nodeParent.insertBefore(newNode, node);
}
break;
case 'after':
if (newNode) {
if (node.nextSibling) { // IE errors if refNode is null
nodeParent.insertBefore(newNode, node.nextSibling);
} else {
nodeParent.appendChild(newNode);
}
}
break;
default:
if (newNode) {
node.appendChild(newNode);
}
}
}
} else if (newNode) {
node.appendChild(newNode);
}
// `select` elements are the only elements with `selectedIndex`.
// Don't grab the dummy `option` element's `selectedIndex`.
if (node.nodeName == "SELECT" && selectedIndex > 0) {
node.selectedIndex = selectedIndex - 1;
}
return ret;
},
wrap: function(node, html) {
var parent = (html && html.nodeType) ? html : Y.DOM.create(html),
nodes = parent.getElementsByTagName('*');
if (nodes.length) {
parent = nodes[nodes.length - 1];
}
if (node.parentNode) {
node.parentNode.replaceChild(parent, node);
}
parent.appendChild(node);
},
unwrap: function(node) {
var parent = node.parentNode,
lastChild = parent.lastChild,
next = node,
grandparent;
if (parent) {
grandparent = parent.parentNode;
if (grandparent) {
node = parent.firstChild;
while (node !== lastChild) {
next = node.nextSibling;
grandparent.insertBefore(node, parent);
node = next;
}
grandparent.replaceChild(lastChild, parent);
} else {
parent.removeChild(node);
}
}
}
});
addFeature('innerhtml', 'table', {
test: function() {
var node = Y.config.doc.createElement('table');
try {
node.innerHTML = '<tbody></tbody>';
} catch(e) {
return false;
}
return (node.firstChild && node.firstChild.nodeName === 'TBODY');
}
});
addFeature('innerhtml-div', 'tr', {
test: function() {
return createFromDIV('<tr></tr>', 'tr');
}
});
addFeature('innerhtml-div', 'script', {
test: function() {
return createFromDIV('<script></script>', 'script');
}
});
if (!testFeature('innerhtml', 'table')) {
// TODO: thead/tfoot with nested tbody
// IE adds TBODY when creating TABLE elements (which may share this impl)
creators.tbody = function(html, doc) {
var frag = Y_DOM.create(TABLE_OPEN + html + TABLE_CLOSE, doc),
tb = Y.DOM._children(frag, 'tbody')[0];
if (frag.children.length > 1 && tb && !re_tbody.test(html)) {
tb.parentNode.removeChild(tb); // strip extraneous tbody
}
return frag;
};
}
if (!testFeature('innerhtml-div', 'script')) {
creators.script = function(html, doc) {
var frag = doc.createElement('div');
frag.innerHTML = '-' + html;
frag.removeChild(frag.firstChild);
return frag;
};
creators.link = creators.style = creators.script;
}
if (!testFeature('innerhtml-div', 'tr')) {
Y.mix(creators, {
option: function(html, doc) {
return Y_DOM.create('<select><option class="yui3-big-dummy" selected></option>' + html + '</select>', doc);
},
tr: function(html, doc) {
return Y_DOM.create('<tbody>' + html + '</tbody>', doc);
},
td: function(html, doc) {
return Y_DOM.create('<tr>' + html + '</tr>', doc);
},
col: function(html, doc) {
return Y_DOM.create('<colgroup>' + html + '</colgroup>', doc);
},
tbody: 'table'
});
Y.mix(creators, {
legend: 'fieldset',
th: creators.td,
thead: creators.tbody,
tfoot: creators.tbody,
caption: creators.tbody,
colgroup: creators.tbody,
optgroup: creators.option
});
}
Y_DOM.creators = creators;
Y.mix(Y.DOM, {
/**
* Sets the width of the element to the given size, regardless
* of box model, border, padding, etc.
* @method setWidth
* @param {HTMLElement} element The DOM element.
* @param {String|Number} size The pixel height to size to
*/
setWidth: function(node, size) {
Y.DOM._setSize(node, 'width', size);
},
/**
* Sets the height of the element to the given size, regardless
* of box model, border, padding, etc.
* @method setHeight
* @param {HTMLElement} element The DOM element.
* @param {String|Number} size The pixel height to size to
*/
setHeight: function(node, size) {
Y.DOM._setSize(node, 'height', size);
},
_setSize: function(node, prop, val) {
val = (val > 0) ? val : 0;
var size = 0;
node.style[prop] = val + 'px';
size = (prop === 'height') ? node.offsetHeight : node.offsetWidth;
if (size > val) {
val = val - (size - val);
if (val < 0) {
val = 0;
}
node.style[prop] = val + 'px';
}
}
});
}, '3.17.2', {"requires": ["dom-core"]});