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webclient.js-ext.yui.build.tabview.tabview.js Maven / Gradle / Ivy
/*
Copyright (c) 2010, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.com/yui/license.html
version: 2.8.2r1
*/
(function() {
/**
* The tabview module provides a widget for managing content bound to tabs.
* @module tabview
* @requires yahoo, dom, event, element
*
*/
var Y = YAHOO.util,
Dom = Y.Dom,
Event = Y.Event,
document = window.document,
// STRING CONSTANTS
ACTIVE = 'active',
ACTIVE_INDEX = 'activeIndex',
ACTIVE_TAB = 'activeTab',
CONTENT_EL = 'contentEl',
ELEMENT = 'element',
/**
* A widget to control tabbed views.
* @namespace YAHOO.widget
* @class TabView
* @extends YAHOO.util.Element
* @constructor
* @param {HTMLElement | String | Object} el(optional) The html
* element that represents the TabView, or the attribute object to use.
* An element will be created if none provided.
* @param {Object} attr (optional) A key map of the tabView's
* initial attributes. Ignored if first arg is attributes object.
*/
TabView = function(el, attr) {
attr = attr || {};
if (arguments.length == 1 && !YAHOO.lang.isString(el) && !el.nodeName) {
attr = el; // treat first arg as attr object
el = attr.element || null;
}
if (!el && !attr.element) { // create if we dont have one
el = this._createTabViewElement(attr);
}
TabView.superclass.constructor.call(this, el, attr);
};
YAHOO.extend(TabView, Y.Element, {
/**
* The className to add when building from scratch.
* @property CLASSNAME
* @default "navset"
*/
CLASSNAME: 'yui-navset',
/**
* The className of the HTMLElement containing the TabView's tab elements
* to look for when building from existing markup, or to add when building
* from scratch.
* All childNodes of the tab container are treated as Tabs when building
* from existing markup.
* @property TAB_PARENT_CLASSNAME
* @default "nav"
*/
TAB_PARENT_CLASSNAME: 'yui-nav',
/**
* The className of the HTMLElement containing the TabView's label elements
* to look for when building from existing markup, or to add when building
* from scratch.
* All childNodes of the content container are treated as content elements when
* building from existing markup.
* @property CONTENT_PARENT_CLASSNAME
* @default "nav-content"
*/
CONTENT_PARENT_CLASSNAME: 'yui-content',
_tabParent: null,
_contentParent: null,
/**
* Adds a Tab to the TabView instance.
* If no index is specified, the tab is added to the end of the tab list.
* @method addTab
* @param {YAHOO.widget.Tab} tab A Tab instance to add.
* @param {Integer} index The position to add the tab.
* @return void
*/
addTab: function(tab, index) {
var tabs = this.get('tabs'),
before = this.getTab(index),
tabParent = this._tabParent,
contentParent = this._contentParent,
tabElement = tab.get(ELEMENT),
contentEl = tab.get(CONTENT_EL);
if (!tabs) { // not ready yet
this._queue[this._queue.length] = ['addTab', arguments];
return false;
}
index = (index === undefined) ? tabs.length : index;
tabs.splice(index, 0, tab);
if ( before ) {
tabParent.insertBefore(tabElement, before.get(ELEMENT));
} else {
tabParent.appendChild(tabElement);
}
if ( contentEl && !Dom.isAncestor(contentParent, contentEl) ) {
contentParent.appendChild(contentEl);
}
if ( !tab.get(ACTIVE) ) {
tab.set('contentVisible', false, true); /* hide if not active */
} else {
this.set(ACTIVE_TAB, tab, true);
this.set('activeIndex', index, true);
}
this._initTabEvents(tab);
},
_initTabEvents: function(tab) {
tab.addListener( tab.get('activationEvent'), tab._onActivate, this, tab);
tab.addListener( tab.get('activationEventChange'), tab._onActivationEventChange, this, tab);
},
_removeTabEvents: function(tab) {
tab.removeListener(tab.get('activationEvent'), tab._onActivate, this, tab);
tab.removeListener('activationEventChange', tab._onActivationEventChange, this, tab);
},
/**
* Routes childNode events.
* @method DOMEventHandler
* @param {event} e The Dom event that is being handled.
* @return void
*/
DOMEventHandler: function(e) {
var target = Event.getTarget(e),
tabParent = this._tabParent,
tabs = this.get('tabs'),
tab,
tabEl,
contentEl;
if (Dom.isAncestor(tabParent, target) ) {
for (var i = 0, len = tabs.length; i < len; i++) {
tabEl = tabs[i].get(ELEMENT);
contentEl = tabs[i].get(CONTENT_EL);
if ( target == tabEl || Dom.isAncestor(tabEl, target) ) {
tab = tabs[i];
break; // note break
}
}
if (tab) {
tab.fireEvent(e.type, e);
}
}
},
/**
* Returns the Tab instance at the specified index.
* @method getTab
* @param {Integer} index The position of the Tab.
* @return YAHOO.widget.Tab
*/
getTab: function(index) {
return this.get('tabs')[index];
},
/**
* Returns the index of given tab.
* @method getTabIndex
* @param {YAHOO.widget.Tab} tab The tab whose index will be returned.
* @return int
*/
getTabIndex: function(tab) {
var index = null,
tabs = this.get('tabs');
for (var i = 0, len = tabs.length; i < len; ++i) {
if (tab == tabs[i]) {
index = i;
break;
}
}
return index;
},
/**
* Removes the specified Tab from the TabView.
* @method removeTab
* @param {YAHOO.widget.Tab} item The Tab instance to be removed.
* @return void
*/
removeTab: function(tab) {
var tabCount = this.get('tabs').length,
index = this.getTabIndex(tab);
if ( tab === this.get(ACTIVE_TAB) ) {
if (tabCount > 1) { // select another tab
if (index + 1 === tabCount) { // if last, activate previous
this.set(ACTIVE_INDEX, index - 1);
} else { // activate next tab
this.set(ACTIVE_INDEX, index + 1);
}
} else { // no more tabs
this.set(ACTIVE_TAB, null);
}
}
this._removeTabEvents(tab);
this._tabParent.removeChild( tab.get(ELEMENT) );
this._contentParent.removeChild( tab.get(CONTENT_EL) );
this._configs.tabs.value.splice(index, 1);
tab.fireEvent('remove', { type: 'remove', tabview: this });
},
/**
* Provides a readable name for the TabView instance.
* @method toString
* @return String
*/
toString: function() {
var name = this.get('id') || this.get('tagName');
return "TabView " + name;
},
/**
* The transiton to use when switching between tabs.
* @method contentTransition
*/
contentTransition: function(newTab, oldTab) {
if (newTab) {
newTab.set('contentVisible', true);
}
if (oldTab) {
oldTab.set('contentVisible', false);
}
},
/**
* setAttributeConfigs TabView specific properties.
* @method initAttributes
* @param {Object} attr Hash of initial attributes
*/
initAttributes: function(attr) {
TabView.superclass.initAttributes.call(this, attr);
if (!attr.orientation) {
attr.orientation = 'top';
}
var el = this.get(ELEMENT);
if (!Dom.hasClass(el, this.CLASSNAME)) {
Dom.addClass(el, this.CLASSNAME);
}
/**
* The Tabs belonging to the TabView instance.
* @attribute tabs
* @type Array
*/
this.setAttributeConfig('tabs', {
value: [],
readOnly: true
});
/**
* The container of the tabView's label elements.
* @property _tabParent
* @private
* @type HTMLElement
*/
this._tabParent =
this.getElementsByClassName(this.TAB_PARENT_CLASSNAME,
'ul' )[0] || this._createTabParent();
/**
* The container of the tabView's content elements.
* @property _contentParent
* @type HTMLElement
* @private
*/
this._contentParent =
this.getElementsByClassName(this.CONTENT_PARENT_CLASSNAME,
'div')[0] || this._createContentParent();
/**
* How the Tabs should be oriented relative to the TabView.
* @attribute orientation
* @type String
* @default "top"
*/
this.setAttributeConfig('orientation', {
value: attr.orientation,
method: function(value) {
var current = this.get('orientation');
this.addClass('yui-navset-' + value);
if (current != value) {
this.removeClass('yui-navset-' + current);
}
if (value === 'bottom') {
this.appendChild(this._tabParent);
}
}
});
/**
* The index of the tab currently active.
* @attribute activeIndex
* @type Int
*/
this.setAttributeConfig(ACTIVE_INDEX, {
value: attr.activeIndex,
validator: function(value) {
var ret = true;
if (value && this.getTab(value).get('disabled')) { // cannot activate if disabled
ret = false;
}
return ret;
}
});
/**
* The tab currently active.
* @attribute activeTab
* @type YAHOO.widget.Tab
*/
this.setAttributeConfig(ACTIVE_TAB, {
value: attr.activeTab,
method: function(tab) {
var activeTab = this.get(ACTIVE_TAB);
if (tab) {
tab.set(ACTIVE, true);
}
if (activeTab && activeTab !== tab) {
activeTab.set(ACTIVE, false);
}
if (activeTab && tab !== activeTab) { // no transition if only 1
this.contentTransition(tab, activeTab);
} else if (tab) {
tab.set('contentVisible', true);
}
},
validator: function(value) {
var ret = true;
if (value && value.get('disabled')) { // cannot activate if disabled
ret = false;
}
return ret;
}
});
this.on('activeTabChange', this._onActiveTabChange);
this.on('activeIndexChange', this._onActiveIndexChange);
if ( this._tabParent ) {
this._initTabs();
}
// Due to delegation we add all DOM_EVENTS to the TabView container
// but IE will leak when unsupported events are added, so remove these
this.DOM_EVENTS.submit = false;
this.DOM_EVENTS.focus = false;
this.DOM_EVENTS.blur = false;
for (var type in this.DOM_EVENTS) {
if ( YAHOO.lang.hasOwnProperty(this.DOM_EVENTS, type) ) {
this.addListener.call(this, type, this.DOMEventHandler);
}
}
},
/**
* Removes selected state from the given tab if it is the activeTab
* @method deselectTab
* @param {Int} index The tab index to deselect
*/
deselectTab: function(index) {
if (this.getTab(index) === this.get('activeTab')) {
this.set('activeTab', null);
}
},
/**
* Makes the tab at the given index the active tab
* @method selectTab
* @param {Int} index The tab index to be made active
*/
selectTab: function(index) {
this.set('activeTab', this.getTab(index));
},
_onActiveTabChange: function(e) {
var activeIndex = this.get(ACTIVE_INDEX),
newIndex = this.getTabIndex(e.newValue);
if (activeIndex !== newIndex) {
if (!(this.set(ACTIVE_INDEX, newIndex)) ) { // NOTE: setting
// revert if activeIndex update fails (cancelled via beforeChange)
this.set(ACTIVE_TAB, e.prevValue);
}
}
},
_onActiveIndexChange: function(e) {
// no set if called from ActiveTabChange event
if (e.newValue !== this.getTabIndex(this.get(ACTIVE_TAB))) {
if (!(this.set(ACTIVE_TAB, this.getTab(e.newValue))) ) { // NOTE: setting
// revert if activeTab update fails (cancelled via beforeChange)
this.set(ACTIVE_INDEX, e.prevValue);
}
}
},
/**
* Creates Tab instances from a collection of HTMLElements.
* @method _initTabs
* @private
* @return void
*/
_initTabs: function() {
var tabs = Dom.getChildren(this._tabParent),
contentElements = Dom.getChildren(this._contentParent),
activeIndex = this.get(ACTIVE_INDEX),
tab,
attr,
active;
for (var i = 0, len = tabs.length; i < len; ++i) {
attr = {};
if (contentElements[i]) {
attr.contentEl = contentElements[i];
}
tab = new YAHOO.widget.Tab(tabs[i], attr);
this.addTab(tab);
if (tab.hasClass(tab.ACTIVE_CLASSNAME) ) {
active = tab;
}
}
if (activeIndex) {
this.set(ACTIVE_TAB, this.getTab(activeIndex));
} else {
this._configs.activeTab.value = active; // dont invoke method
this._configs.activeIndex.value = this.getTabIndex(active);
}
},
_createTabViewElement: function(attr) {
var el = document.createElement('div');
if ( this.CLASSNAME ) {
el.className = this.CLASSNAME;
}
return el;
},
_createTabParent: function(attr) {
var el = document.createElement('ul');
if ( this.TAB_PARENT_CLASSNAME ) {
el.className = this.TAB_PARENT_CLASSNAME;
}
this.get(ELEMENT).appendChild(el);
return el;
},
_createContentParent: function(attr) {
var el = document.createElement('div');
if ( this.CONTENT_PARENT_CLASSNAME ) {
el.className = this.CONTENT_PARENT_CLASSNAME;
}
this.get(ELEMENT).appendChild(el);
return el;
}
});
YAHOO.widget.TabView = TabView;
})();
(function() {
var Y = YAHOO.util,
Dom = Y.Dom,
Lang = YAHOO.lang,
// STRING CONSTANTS
ACTIVE_TAB = 'activeTab',
LABEL = 'label',
LABEL_EL = 'labelEl',
CONTENT = 'content',
CONTENT_EL = 'contentEl',
ELEMENT = 'element',
CACHE_DATA = 'cacheData',
DATA_SRC = 'dataSrc',
DATA_LOADED = 'dataLoaded',
DATA_TIMEOUT = 'dataTimeout',
LOAD_METHOD = 'loadMethod',
POST_DATA = 'postData',
DISABLED = 'disabled',
/**
* A representation of a Tab's label and content.
* @namespace YAHOO.widget
* @class Tab
* @extends YAHOO.util.Element
* @constructor
* @param element {HTMLElement | String} (optional) The html element that
* represents the Tab. An element will be created if none provided.
* @param {Object} properties A key map of initial properties
*/
Tab = function(el, attr) {
attr = attr || {};
if (arguments.length == 1 && !Lang.isString(el) && !el.nodeName) {
attr = el;
el = attr.element;
}
if (!el && !attr.element) {
el = this._createTabElement(attr);
}
this.loadHandler = {
success: function(o) {
this.set(CONTENT, o.responseText);
},
failure: function(o) {
}
};
Tab.superclass.constructor.call(this, el, attr);
this.DOM_EVENTS = {}; // delegating to tabView
};
YAHOO.extend(Tab, YAHOO.util.Element, {
/**
* The default tag name for a Tab's inner element.
* @property LABEL_INNER_TAGNAME
* @type String
* @default "em"
*/
LABEL_TAGNAME: 'em',
/**
* The class name applied to active tabs.
* @property ACTIVE_CLASSNAME
* @type String
* @default "selected"
*/
ACTIVE_CLASSNAME: 'selected',
/**
* The class name applied to active tabs.
* @property HIDDEN_CLASSNAME
* @type String
* @default "yui-hidden"
*/
HIDDEN_CLASSNAME: 'yui-hidden',
/**
* The title applied to active tabs.
* @property ACTIVE_TITLE
* @type String
* @default "active"
*/
ACTIVE_TITLE: 'active',
/**
* The class name applied to disabled tabs.
* @property DISABLED_CLASSNAME
* @type String
* @default "disabled"
*/
DISABLED_CLASSNAME: DISABLED,
/**
* The class name applied to dynamic tabs while loading.
* @property LOADING_CLASSNAME
* @type String
* @default "disabled"
*/
LOADING_CLASSNAME: 'loading',
/**
* Provides a reference to the connection request object when data is
* loaded dynamically.
* @property dataConnection
* @type Object
*/
dataConnection: null,
/**
* Object containing success and failure callbacks for loading data.
* @property loadHandler
* @type object
*/
loadHandler: null,
_loading: false,
/**
* Provides a readable name for the tab.
* @method toString
* @return String
*/
toString: function() {
var el = this.get(ELEMENT),
id = el.id || el.tagName;
return "Tab " + id;
},
/**
* setAttributeConfigs Tab specific properties.
* @method initAttributes
* @param {Object} attr Hash of initial attributes
*/
initAttributes: function(attr) {
attr = attr || {};
Tab.superclass.initAttributes.call(this, attr);
/**
* The event that triggers the tab's activation.
* @attribute activationEvent
* @type String
*/
this.setAttributeConfig('activationEvent', {
value: attr.activationEvent || 'click'
});
/**
* The element that contains the tab's label.
* @attribute labelEl
* @type HTMLElement
*/
this.setAttributeConfig(LABEL_EL, {
value: attr[LABEL_EL] || this._getLabelEl(),
method: function(value) {
value = Dom.get(value);
var current = this.get(LABEL_EL);
if (current) {
if (current == value) {
return false; // already set
}
current.parentNode.replaceChild(value, current);
this.set(LABEL, value.innerHTML);
}
}
});
/**
* The tab's label text (or innerHTML).
* @attribute label
* @type String
*/
this.setAttributeConfig(LABEL, {
value: attr.label || this._getLabel(),
method: function(value) {
var labelEl = this.get(LABEL_EL);
if (!labelEl) { // create if needed
this.set(LABEL_EL, this._createLabelEl());
}
labelEl.innerHTML = value;
}
});
/**
* The HTMLElement that contains the tab's content.
* @attribute contentEl
* @type HTMLElement
*/
this.setAttributeConfig(CONTENT_EL, {
value: attr[CONTENT_EL] || document.createElement('div'),
method: function(value) {
value = Dom.get(value);
var current = this.get(CONTENT_EL);
if (current) {
if (current === value) {
return false; // already set
}
if (!this.get('selected')) {
Dom.addClass(value, this.HIDDEN_CLASSNAME);
}
current.parentNode.replaceChild(value, current);
this.set(CONTENT, value.innerHTML);
}
}
});
/**
* The tab's content.
* @attribute content
* @type String
*/
this.setAttributeConfig(CONTENT, {
value: attr[CONTENT],
method: function(value) {
this.get(CONTENT_EL).innerHTML = value;
}
});
/**
* The tab's data source, used for loading content dynamically.
* @attribute dataSrc
* @type String
*/
this.setAttributeConfig(DATA_SRC, {
value: attr.dataSrc
});
/**
* Whether or not content should be reloaded for every view.
* @attribute cacheData
* @type Boolean
* @default false
*/
this.setAttributeConfig(CACHE_DATA, {
value: attr.cacheData || false,
validator: Lang.isBoolean
});
/**
* The method to use for the data request.
* @attribute loadMethod
* @type String
* @default "GET"
*/
this.setAttributeConfig(LOAD_METHOD, {
value: attr.loadMethod || 'GET',
validator: Lang.isString
});
/**
* Whether or not any data has been loaded from the server.
* @attribute dataLoaded
* @type Boolean
*/
this.setAttributeConfig(DATA_LOADED, {
value: false,
validator: Lang.isBoolean,
writeOnce: true
});
/**
* Number if milliseconds before aborting and calling failure handler.
* @attribute dataTimeout
* @type Number
* @default null
*/
this.setAttributeConfig(DATA_TIMEOUT, {
value: attr.dataTimeout || null,
validator: Lang.isNumber
});
/**
* Arguments to pass when POST method is used
* @attribute postData
* @default null
*/
this.setAttributeConfig(POST_DATA, {
value: attr.postData || null
});
/**
* Whether or not the tab is currently active.
* If a dataSrc is set for the tab, the content will be loaded from
* the given source.
* @attribute active
* @type Boolean
*/
this.setAttributeConfig('active', {
value: attr.active || this.hasClass(this.ACTIVE_CLASSNAME),
method: function(value) {
if (value === true) {
this.addClass(this.ACTIVE_CLASSNAME);
this.set('title', this.ACTIVE_TITLE);
} else {
this.removeClass(this.ACTIVE_CLASSNAME);
this.set('title', '');
}
},
validator: function(value) {
return Lang.isBoolean(value) && !this.get(DISABLED) ;
}
});
/**
* Whether or not the tab is disabled.
* @attribute disabled
* @type Boolean
*/
this.setAttributeConfig(DISABLED, {
value: attr.disabled || this.hasClass(this.DISABLED_CLASSNAME),
method: function(value) {
if (value === true) {
Dom.addClass(this.get(ELEMENT), this.DISABLED_CLASSNAME);
} else {
Dom.removeClass(this.get(ELEMENT), this.DISABLED_CLASSNAME);
}
},
validator: Lang.isBoolean
});
/**
* The href of the tab's anchor element.
* @attribute href
* @type String
* @default '#'
*/
this.setAttributeConfig('href', {
value: attr.href ||
this.getElementsByTagName('a')[0].getAttribute('href', 2) || '#',
method: function(value) {
this.getElementsByTagName('a')[0].href = value;
},
validator: Lang.isString
});
/**
* The Whether or not the tab's content is visible.
* @attribute contentVisible
* @type Boolean
* @default false
*/
this.setAttributeConfig('contentVisible', {
value: attr.contentVisible,
method: function(value) {
if (value) {
Dom.removeClass(this.get(CONTENT_EL), this.HIDDEN_CLASSNAME);
if ( this.get(DATA_SRC) ) {
// load dynamic content unless already loading or loaded and caching
if ( !this._loading && !(this.get(DATA_LOADED) && this.get(CACHE_DATA)) ) {
this._dataConnect();
}
}
} else {
Dom.addClass(this.get(CONTENT_EL), this.HIDDEN_CLASSNAME);
}
},
validator: Lang.isBoolean
});
},
_dataConnect: function() {
if (!Y.Connect) {
return false;
}
Dom.addClass(this.get(CONTENT_EL).parentNode, this.LOADING_CLASSNAME);
this._loading = true;
this.dataConnection = Y.Connect.asyncRequest(
this.get(LOAD_METHOD),
this.get(DATA_SRC),
{
success: function(o) {
this.loadHandler.success.call(this, o);
this.set(DATA_LOADED, true);
this.dataConnection = null;
Dom.removeClass(this.get(CONTENT_EL).parentNode,
this.LOADING_CLASSNAME);
this._loading = false;
},
failure: function(o) {
this.loadHandler.failure.call(this, o);
this.dataConnection = null;
Dom.removeClass(this.get(CONTENT_EL).parentNode,
this.LOADING_CLASSNAME);
this._loading = false;
},
scope: this,
timeout: this.get(DATA_TIMEOUT)
},
this.get(POST_DATA)
);
},
_createTabElement: function(attr) {
var el = document.createElement('li'),
a = document.createElement('a'),
label = attr.label || null,
labelEl = attr.labelEl || null;
a.href = attr.href || '#'; // TODO: Use Dom.setAttribute?
el.appendChild(a);
if (labelEl) { // user supplied labelEl
if (!label) { // user supplied label
label = this._getLabel();
}
} else {
labelEl = this._createLabelEl();
}
a.appendChild(labelEl);
return el;
},
_getLabelEl: function() {
return this.getElementsByTagName(this.LABEL_TAGNAME)[0];
},
_createLabelEl: function() {
var el = document.createElement(this.LABEL_TAGNAME);
return el;
},
_getLabel: function() {
var el = this.get(LABEL_EL);
if (!el) {
return undefined;
}
return el.innerHTML;
},
_onActivate: function(e, tabview) {
var tab = this,
silent = false;
Y.Event.preventDefault(e);
if (tab === tabview.get(ACTIVE_TAB)) {
silent = true; // dont fire activeTabChange if already active
}
tabview.set(ACTIVE_TAB, tab, silent);
},
_onActivationEventChange: function(e) {
var tab = this;
if (e.prevValue != e.newValue) {
tab.removeListener(e.prevValue, tab._onActivate);
tab.addListener(e.newValue, tab._onActivate, this, tab);
}
}
});
/**
* Fires when a tab is removed from the tabview
* @event remove
* @type CustomEvent
* @param {Event} An event object with fields for "type" ("remove")
* and "tabview" (the tabview instance it was removed from)
*/
YAHOO.widget.Tab = Tab;
})();
YAHOO.register("tabview", YAHOO.widget.TabView, {version: "2.8.2r1", build: "7"});
