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pkg-tabs-debug.js
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pkg-tabs-debug.js
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/*!
* Ext JS Library 3.3.0
* Copyright(c) 2006-2010 Ext JS, Inc.
* licensing@extjs.com
* http://www.extjs.com/license
*/
/**
* @class Ext.TabPanel
* <p>A basic tab container. TabPanels can be used exactly like a standard {@link Ext.Panel}
* for layout purposes, but also have special support for containing child Components
* (<tt>{@link Ext.Container#items items}</tt>) that are managed using a
* {@link Ext.layout.CardLayout CardLayout layout manager}, and displayed as separate tabs.</p>
*
* <b>Note:</b> By default, a tab's close tool <i>destroys</i> the child tab Component
* and all its descendants. This makes the child tab Component, and all its descendants <b>unusable</b>. To enable
* re-use of a tab, configure the TabPanel with <b><code>{@link #autoDestroy autoDestroy: false}</code></b>.
*
* <p><b><u>TabPanel header/footer elements</u></b></p>
* <p>TabPanels use their {@link Ext.Panel#header header} or {@link Ext.Panel#footer footer} element
* (depending on the {@link #tabPosition} configuration) to accommodate the tab selector buttons.
* This means that a TabPanel will not display any configured title, and will not display any
* configured header {@link Ext.Panel#tools tools}.</p>
* <p>To display a header, embed the TabPanel in a {@link Ext.Panel Panel} which uses
* <b><tt>{@link Ext.Container#layout layout:'fit'}</tt></b>.</p>
*
* <p><b><u>Tab Events</u></b></p>
* <p>There is no actual tab class — each tab is simply a {@link Ext.BoxComponent Component}
* such as a {@link Ext.Panel Panel}. However, when rendered in a TabPanel, each child Component
* can fire additional events that only exist for tabs and are not available from other Components.
* These events are:</p>
* <div><ul class="mdetail-params">
* <li><tt><b>{@link Ext.Panel#activate activate}</b></tt> : Fires when this Component becomes
* the active tab.</li>
* <li><tt><b>{@link Ext.Panel#deactivate deactivate}</b></tt> : Fires when the Component that
* was the active tab becomes deactivated.</li>
* <li><tt><b>{@link Ext.Panel#beforeclose beforeclose}</b></tt> : Fires when the user clicks on the close tool of a closeable tab.
* May be vetoed by returning <code>false</code> from a handler.</li>
* <li><tt><b>{@link Ext.Panel#close close}</b></tt> : Fires a closeable tab has been closed by the user.</li>
* </ul></div>
* <p><b><u>Creating TabPanels from Code</u></b></p>
* <p>TabPanels can be created and rendered completely in code, as in this example:</p>
* <pre><code>
var tabs = new Ext.TabPanel({
renderTo: Ext.getBody(),
activeTab: 0,
items: [{
title: 'Tab 1',
html: 'A simple tab'
},{
title: 'Tab 2',
html: 'Another one'
}]
});
</code></pre>
* <p><b><u>Creating TabPanels from Existing Markup</u></b></p>
* <p>TabPanels can also be rendered from pre-existing markup in a couple of ways.</p>
* <div><ul class="mdetail-params">
*
* <li>Pre-Structured Markup</li>
* <div class="sub-desc">
* <p>A container div with one or more nested tab divs with class <tt>'x-tab'</tt> can be rendered entirely
* from existing markup (See the {@link #autoTabs} example).</p>
* </div>
*
* <li>Un-Structured Markup</li>
* <div class="sub-desc">
* <p>A TabPanel can also be rendered from markup that is not strictly structured by simply specifying by id
* which elements should be the container and the tabs. Using this method tab content can be pulled from different
* elements within the page by id regardless of page structure. For example:</p>
* <pre><code>
var tabs = new Ext.TabPanel({
renderTo: 'my-tabs',
activeTab: 0,
items:[
{contentEl:'tab1', title:'Tab 1'},
{contentEl:'tab2', title:'Tab 2'}
]
});
// Note that the tabs do not have to be nested within the container (although they can be)
<div id="my-tabs"></div>
<div id="tab1" class="x-hide-display">A simple tab</div>
<div id="tab2" class="x-hide-display">Another one</div>
</code></pre>
* Note that the tab divs in this example contain the class <tt>'x-hide-display'</tt> so that they can be rendered
* deferred without displaying outside the tabs. You could alternately set <tt>{@link #deferredRender} = false </tt>
* to render all content tabs on page load.
* </div>
*
* </ul></div>
*
* @extends Ext.Panel
* @constructor
* @param {Object} config The configuration options
* @xtype tabpanel
*/
Ext.TabPanel = Ext.extend(Ext.Panel, {
/**
* @cfg {Boolean} layoutOnTabChange
* Set to true to force a layout of the active tab when the tab is changed. Defaults to false.
* See {@link Ext.layout.CardLayout}.<code>{@link Ext.layout.CardLayout#layoutOnCardChange layoutOnCardChange}</code>.
*/
/**
* @cfg {String} tabCls <b>This config option is used on <u>child Components</u> of ths TabPanel.</b> A CSS
* class name applied to the tab strip item representing the child Component, allowing special
* styling to be applied.
*/
/**
* @cfg {Boolean} deferredRender
* <p><tt>true</tt> by default to defer the rendering of child <tt>{@link Ext.Container#items items}</tt>
* to the browsers DOM until a tab is activated. <tt>false</tt> will render all contained
* <tt>{@link Ext.Container#items items}</tt> as soon as the {@link Ext.layout.CardLayout layout}
* is rendered. If there is a significant amount of content or a lot of heavy controls being
* rendered into panels that are not displayed by default, setting this to <tt>true</tt> might
* improve performance.</p>
* <br><p>The <tt>deferredRender</tt> property is internally passed to the layout manager for
* TabPanels ({@link Ext.layout.CardLayout}) as its {@link Ext.layout.CardLayout#deferredRender}
* configuration value.</p>
* <br><p><b>Note</b>: leaving <tt>deferredRender</tt> as <tt>true</tt> means that the content
* within an unactivated tab will not be available. For example, this means that if the TabPanel
* is within a {@link Ext.form.FormPanel form}, then until a tab is activated, any Fields within
* unactivated tabs will not be rendered, and will therefore not be submitted and will not be
* available to either {@link Ext.form.BasicForm#getValues getValues} or
* {@link Ext.form.BasicForm#setValues setValues}.</p>
*/
deferredRender : true,
/**
* @cfg {Number} tabWidth The initial width in pixels of each new tab (defaults to 120).
*/
tabWidth : 120,
/**
* @cfg {Number} minTabWidth The minimum width in pixels for each tab when {@link #resizeTabs} = true (defaults to 30).
*/
minTabWidth : 30,
/**
* @cfg {Boolean} resizeTabs True to automatically resize each tab so that the tabs will completely fill the
* tab strip (defaults to false). Setting this to true may cause specific widths that might be set per tab to
* be overridden in order to fit them all into view (although {@link #minTabWidth} will always be honored).
*/
resizeTabs : false,
/**
* @cfg {Boolean} enableTabScroll True to enable scrolling to tabs that may be invisible due to overflowing the
* overall TabPanel width. Only available with tabPosition:'top' (defaults to false).
*/
enableTabScroll : false,
/**
* @cfg {Number} scrollIncrement The number of pixels to scroll each time a tab scroll button is pressed
* (defaults to <tt>100</tt>, or if <tt>{@link #resizeTabs} = true</tt>, the calculated tab width). Only
* applies when <tt>{@link #enableTabScroll} = true</tt>.
*/
scrollIncrement : 0,
/**
* @cfg {Number} scrollRepeatInterval Number of milliseconds between each scroll while a tab scroll button is
* continuously pressed (defaults to <tt>400</tt>).
*/
scrollRepeatInterval : 400,
/**
* @cfg {Float} scrollDuration The number of milliseconds that each scroll animation should last (defaults
* to <tt>.35</tt>). Only applies when <tt>{@link #animScroll} = true</tt>.
*/
scrollDuration : 0.35,
/**
* @cfg {Boolean} animScroll True to animate tab scrolling so that hidden tabs slide smoothly into view (defaults
* to <tt>true</tt>). Only applies when <tt>{@link #enableTabScroll} = true</tt>.
*/
animScroll : true,
/**
* @cfg {String} tabPosition The position where the tab strip should be rendered (defaults to <tt>'top'</tt>).
* The only other supported value is <tt>'bottom'</tt>. <b>Note</b>: tab scrolling is only supported for
* <tt>tabPosition: 'top'</tt>.
*/
tabPosition : 'top',
/**
* @cfg {String} baseCls The base CSS class applied to the panel (defaults to <tt>'x-tab-panel'</tt>).
*/
baseCls : 'x-tab-panel',
/**
* @cfg {Boolean} autoTabs
* <p><tt>true</tt> to query the DOM for any divs with a class of 'x-tab' to be automatically converted
* to tabs and added to this panel (defaults to <tt>false</tt>). Note that the query will be executed within
* the scope of the container element only (so that multiple tab panels from markup can be supported via this
* method).</p>
* <p>This method is only possible when the markup is structured correctly as a container with nested divs
* containing the class <tt>'x-tab'</tt>. To create TabPanels without these limitations, or to pull tab content
* from other elements on the page, see the example at the top of the class for generating tabs from markup.</p>
* <p>There are a couple of things to note when using this method:<ul>
* <li>When using the <tt>autoTabs</tt> config (as opposed to passing individual tab configs in the TabPanel's
* {@link #items} collection), you must use <tt>{@link #applyTo}</tt> to correctly use the specified <tt>id</tt>
* as the tab container. The <tt>autoTabs</tt> method <em>replaces</em> existing content with the TabPanel
* components.</li>
* <li>Make sure that you set <tt>{@link #deferredRender}: false</tt> so that the content elements for each
* tab will be rendered into the TabPanel immediately upon page load, otherwise they will not be transformed
* until each tab is activated and will be visible outside the TabPanel.</li>
* </ul>Example usage:</p>
* <pre><code>
var tabs = new Ext.TabPanel({
applyTo: 'my-tabs',
activeTab: 0,
deferredRender: false,
autoTabs: true
});
// This markup will be converted to a TabPanel from the code above
<div id="my-tabs">
<div class="x-tab" title="Tab 1">A simple tab</div>
<div class="x-tab" title="Tab 2">Another one</div>
</div>
</code></pre>
*/
autoTabs : false,
/**
* @cfg {String} autoTabSelector The CSS selector used to search for tabs in existing markup when
* <tt>{@link #autoTabs} = true</tt> (defaults to <tt>'div.x-tab'</tt>). This can be any valid selector
* supported by {@link Ext.DomQuery#select}. Note that the query will be executed within the scope of this
* tab panel only (so that multiple tab panels from markup can be supported on a page).
*/
autoTabSelector : 'div.x-tab',
/**
* @cfg {String/Number} activeTab A string id or the numeric index of the tab that should be initially
* activated on render (defaults to undefined).
*/
activeTab : undefined,
/**
* @cfg {Number} tabMargin The number of pixels of space to calculate into the sizing and scrolling of
* tabs. If you change the margin in CSS, you will need to update this value so calculations are correct
* with either <tt>{@link #resizeTabs}</tt> or scrolling tabs. (defaults to <tt>2</tt>)
*/
tabMargin : 2,
/**
* @cfg {Boolean} plain </tt>true</tt> to render the tab strip without a background container image
* (defaults to <tt>false</tt>).
*/
plain : false,
/**
* @cfg {Number} wheelIncrement For scrolling tabs, the number of pixels to increment on mouse wheel
* scrolling (defaults to <tt>20</tt>).
*/
wheelIncrement : 20,
/*
* This is a protected property used when concatenating tab ids to the TabPanel id for internal uniqueness.
* It does not generally need to be changed, but can be if external code also uses an id scheme that can
* potentially clash with this one.
*/
idDelimiter : '__',
// private
itemCls : 'x-tab-item',
// private config overrides
elements : 'body',
headerAsText : false,
frame : false,
hideBorders :true,
// private
initComponent : function(){
this.frame = false;
Ext.TabPanel.superclass.initComponent.call(this);
this.addEvents(
/**
* @event beforetabchange
* Fires before the active tab changes. Handlers can <tt>return false</tt> to cancel the tab change.
* @param {TabPanel} this
* @param {Panel} newTab The tab being activated
* @param {Panel} currentTab The current active tab
*/
'beforetabchange',
/**
* @event tabchange
* Fires after the active tab has changed.
* @param {TabPanel} this
* @param {Panel} tab The new active tab
*/
'tabchange',
/**
* @event contextmenu
* Relays the contextmenu event from a tab selector element in the tab strip.
* @param {TabPanel} this
* @param {Panel} tab The target tab
* @param {EventObject} e
*/
'contextmenu'
);
/**
* @cfg {Object} layoutConfig
* TabPanel implicitly uses {@link Ext.layout.CardLayout} as its layout manager.
* <code>layoutConfig</code> may be used to configure this layout manager.
* <code>{@link #deferredRender}</code> and <code>{@link #layoutOnTabChange}</code>
* configured on the TabPanel will be applied as configs to the layout manager.
*/
this.setLayout(new Ext.layout.CardLayout(Ext.apply({
layoutOnCardChange: this.layoutOnTabChange,
deferredRender: this.deferredRender
}, this.layoutConfig)));
if(this.tabPosition == 'top'){
this.elements += ',header';
this.stripTarget = 'header';
}else {
this.elements += ',footer';
this.stripTarget = 'footer';
}
if(!this.stack){
this.stack = Ext.TabPanel.AccessStack();
}
this.initItems();
},
// private
onRender : function(ct, position){
Ext.TabPanel.superclass.onRender.call(this, ct, position);
if(this.plain){
var pos = this.tabPosition == 'top' ? 'header' : 'footer';
this[pos].addClass('x-tab-panel-'+pos+'-plain');
}
var st = this[this.stripTarget];
this.stripWrap = st.createChild({cls:'x-tab-strip-wrap', cn:{
tag:'ul', cls:'x-tab-strip x-tab-strip-'+this.tabPosition}});
var beforeEl = (this.tabPosition=='bottom' ? this.stripWrap : null);
st.createChild({cls:'x-tab-strip-spacer'}, beforeEl);
this.strip = new Ext.Element(this.stripWrap.dom.firstChild);
// create an empty span with class x-tab-strip-text to force the height of the header element when there's no tabs.
this.edge = this.strip.createChild({tag:'li', cls:'x-tab-edge', cn: [{tag: 'span', cls: 'x-tab-strip-text', cn: ' '}]});
this.strip.createChild({cls:'x-clear'});
this.body.addClass('x-tab-panel-body-'+this.tabPosition);
/**
* @cfg {Template/XTemplate} itemTpl <p>(Optional) A {@link Ext.Template Template} or
* {@link Ext.XTemplate XTemplate} which may be provided to process the data object returned from
* <tt>{@link #getTemplateArgs}</tt> to produce a clickable selector element in the tab strip.</p>
* <p>The main element created should be a <tt><li></tt> element. In order for a click event on
* a selector element to be connected to its item, it must take its <i>id</i> from the TabPanel's
* native <tt>{@link #getTemplateArgs}</tt>.</p>
* <p>The child element which contains the title text must be marked by the CSS class
* <tt>x-tab-strip-inner</tt>.</p>
* <p>To enable closability, the created element should contain an element marked by the CSS class
* <tt>x-tab-strip-close</tt>.</p>
* <p>If a custom <tt>itemTpl</tt> is supplied, it is the developer's responsibility to create CSS
* style rules to create the desired appearance.</p>
* Below is an example of how to create customized tab selector items:<pre><code>
new Ext.TabPanel({
renderTo: document.body,
minTabWidth: 115,
tabWidth: 135,
enableTabScroll: true,
width: 600,
height: 250,
defaults: {autoScroll:true},
itemTpl: new Ext.XTemplate(
'<li class="{cls}" id="{id}" style="overflow:hidden">',
'<tpl if="closable">',
'<a class="x-tab-strip-close"></a>',
'</tpl>',
'<a class="x-tab-right" href="#" style="padding-left:6px">',
'<em class="x-tab-left">',
'<span class="x-tab-strip-inner">',
'<img src="{src}" style="float:left;margin:3px 3px 0 0">',
'<span style="margin-left:20px" class="x-tab-strip-text {iconCls}">{text} {extra}</span>',
'</span>',
'</em>',
'</a>',
'</li>'
),
getTemplateArgs: function(item) {
// Call the native method to collect the base data. Like the ID!
var result = Ext.TabPanel.prototype.getTemplateArgs.call(this, item);
// Add stuff used in our template
return Ext.apply(result, {
closable: item.closable,
src: item.iconSrc,
extra: item.extraText || ''
});
},
items: [{
title: 'New Tab 1',
iconSrc: '../shared/icons/fam/grid.png',
html: 'Tab Body 1',
closable: true
}, {
title: 'New Tab 2',
iconSrc: '../shared/icons/fam/grid.png',
html: 'Tab Body 2',
extraText: 'Extra stuff in the tab button'
}]
});
</code></pre>
*/
if(!this.itemTpl){
var tt = new Ext.Template(
'<li class="{cls}" id="{id}"><a class="x-tab-strip-close"></a>',
'<a class="x-tab-right" href="#"><em class="x-tab-left">',
'<span class="x-tab-strip-inner"><span class="x-tab-strip-text {iconCls}">{text}</span></span>',
'</em></a></li>'
);
tt.disableFormats = true;
tt.compile();
Ext.TabPanel.prototype.itemTpl = tt;
}
this.items.each(this.initTab, this);
},
// private
afterRender : function(){
Ext.TabPanel.superclass.afterRender.call(this);
if(this.autoTabs){
this.readTabs(false);
}
if(this.activeTab !== undefined){
var item = Ext.isObject(this.activeTab) ? this.activeTab : this.items.get(this.activeTab);
delete this.activeTab;
this.setActiveTab(item);
}
},
// private
initEvents : function(){
Ext.TabPanel.superclass.initEvents.call(this);
this.mon(this.strip, {
scope: this,
mousedown: this.onStripMouseDown,
contextmenu: this.onStripContextMenu
});
if(this.enableTabScroll){
this.mon(this.strip, 'mousewheel', this.onWheel, this);
}
},
// private
findTargets : function(e){
var item = null,
itemEl = e.getTarget('li:not(.x-tab-edge)', this.strip);
if(itemEl){
item = this.getComponent(itemEl.id.split(this.idDelimiter)[1]);
if(item.disabled){
return {
close : null,
item : null,
el : null
};
}
}
return {
close : e.getTarget('.x-tab-strip-close', this.strip),
item : item,
el : itemEl
};
},
// private
onStripMouseDown : function(e){
if(e.button !== 0){
return;
}
e.preventDefault();
var t = this.findTargets(e);
if(t.close){
if (t.item.fireEvent('beforeclose', t.item) !== false) {
t.item.fireEvent('close', t.item);
this.remove(t.item);
}
return;
}
if(t.item && t.item != this.activeTab){
this.setActiveTab(t.item);
}
},
// private
onStripContextMenu : function(e){
e.preventDefault();
var t = this.findTargets(e);
if(t.item){
this.fireEvent('contextmenu', this, t.item, e);
}
},
/**
* True to scan the markup in this tab panel for <tt>{@link #autoTabs}</tt> using the
* <tt>{@link #autoTabSelector}</tt>
* @param {Boolean} removeExisting True to remove existing tabs
*/
readTabs : function(removeExisting){
if(removeExisting === true){
this.items.each(function(item){
this.remove(item);
}, this);
}
var tabs = this.el.query(this.autoTabSelector);
for(var i = 0, len = tabs.length; i < len; i++){
var tab = tabs[i],
title = tab.getAttribute('title');
tab.removeAttribute('title');
this.add({
title: title,
contentEl: tab
});
}
},
// private
initTab : function(item, index){
var before = this.strip.dom.childNodes[index],
p = this.getTemplateArgs(item),
el = before ?
this.itemTpl.insertBefore(before, p) :
this.itemTpl.append(this.strip, p),
cls = 'x-tab-strip-over',
tabEl = Ext.get(el);
tabEl.hover(function(){
if(!item.disabled){
tabEl.addClass(cls);
}
}, function(){
tabEl.removeClass(cls);
});
if(item.tabTip){
tabEl.child('span.x-tab-strip-text', true).qtip = item.tabTip;
}
item.tabEl = el;
// Route *keyboard triggered* click events to the tab strip mouse handler.
tabEl.select('a').on('click', function(e){
if(!e.getPageX()){
this.onStripMouseDown(e);
}
}, this, {preventDefault: true});
item.on({
scope: this,
disable: this.onItemDisabled,
enable: this.onItemEnabled,
titlechange: this.onItemTitleChanged,
iconchange: this.onItemIconChanged,
beforeshow: this.onBeforeShowItem
});
},
/**
* <p>Provides template arguments for rendering a tab selector item in the tab strip.</p>
* <p>This method returns an object hash containing properties used by the TabPanel's <tt>{@link #itemTpl}</tt>
* to create a formatted, clickable tab selector element. The properties which must be returned
* are:</p><div class="mdetail-params"><ul>
* <li><b>id</b> : String<div class="sub-desc">A unique identifier which links to the item</div></li>
* <li><b>text</b> : String<div class="sub-desc">The text to display</div></li>
* <li><b>cls</b> : String<div class="sub-desc">The CSS class name</div></li>
* <li><b>iconCls</b> : String<div class="sub-desc">A CSS class to provide appearance for an icon.</div></li>
* </ul></div>
* @param {Ext.BoxComponent} item The {@link Ext.BoxComponent BoxComponent} for which to create a selector element in the tab strip.
* @return {Object} An object hash containing the properties required to render the selector element.
*/
getTemplateArgs : function(item) {
var cls = item.closable ? 'x-tab-strip-closable' : '';
if(item.disabled){
cls += ' x-item-disabled';
}
if(item.iconCls){
cls += ' x-tab-with-icon';
}
if(item.tabCls){
cls += ' ' + item.tabCls;
}
return {
id: this.id + this.idDelimiter + item.getItemId(),
text: item.title,
cls: cls,
iconCls: item.iconCls || ''
};
},
// private
onAdd : function(c){
Ext.TabPanel.superclass.onAdd.call(this, c);
if(this.rendered){
var items = this.items;
this.initTab(c, items.indexOf(c));
this.delegateUpdates();
}
},
// private
onBeforeAdd : function(item){
var existing = item.events ? (this.items.containsKey(item.getItemId()) ? item : null) : this.items.get(item);
if(existing){
this.setActiveTab(item);
return false;
}
Ext.TabPanel.superclass.onBeforeAdd.apply(this, arguments);
var es = item.elements;
item.elements = es ? es.replace(',header', '') : es;
item.border = (item.border === true);
},
// private
onRemove : function(c){
var te = Ext.get(c.tabEl);
// check if the tabEl exists, it won't if the tab isn't rendered
if(te){
te.select('a').removeAllListeners();
Ext.destroy(te);
}
Ext.TabPanel.superclass.onRemove.call(this, c);
this.stack.remove(c);
delete c.tabEl;
c.un('disable', this.onItemDisabled, this);
c.un('enable', this.onItemEnabled, this);
c.un('titlechange', this.onItemTitleChanged, this);
c.un('iconchange', this.onItemIconChanged, this);
c.un('beforeshow', this.onBeforeShowItem, this);
if(c == this.activeTab){
var next = this.stack.next();
if(next){
this.setActiveTab(next);
}else if(this.items.getCount() > 0){
this.setActiveTab(0);
}else{
this.setActiveTab(null);
}
}
if(!this.destroying){
this.delegateUpdates();
}
},
// private
onBeforeShowItem : function(item){
if(item != this.activeTab){
this.setActiveTab(item);
return false;
}
},
// private
onItemDisabled : function(item){
var el = this.getTabEl(item);
if(el){
Ext.fly(el).addClass('x-item-disabled');
}
this.stack.remove(item);
},
// private
onItemEnabled : function(item){
var el = this.getTabEl(item);
if(el){
Ext.fly(el).removeClass('x-item-disabled');
}
},
// private
onItemTitleChanged : function(item){
var el = this.getTabEl(item);
if(el){
Ext.fly(el).child('span.x-tab-strip-text', true).innerHTML = item.title;
}
},
//private
onItemIconChanged : function(item, iconCls, oldCls){
var el = this.getTabEl(item);
if(el){
el = Ext.get(el);
el.child('span.x-tab-strip-text').replaceClass(oldCls, iconCls);
el[Ext.isEmpty(iconCls) ? 'removeClass' : 'addClass']('x-tab-with-icon');
}
},
/**
* Gets the DOM element for the tab strip item which activates the child panel with the specified
* ID. Access this to change the visual treatment of the item, for example by changing the CSS class name.
* @param {Panel/Number/String} tab The tab component, or the tab's index, or the tabs id or itemId.
* @return {HTMLElement} The DOM node
*/
getTabEl : function(item){
var c = this.getComponent(item);
return c ? c.tabEl : null;
},
// private
onResize : function(){
Ext.TabPanel.superclass.onResize.apply(this, arguments);
this.delegateUpdates();
},
/**
* Suspends any internal calculations or scrolling while doing a bulk operation. See {@link #endUpdate}
*/
beginUpdate : function(){
this.suspendUpdates = true;
},
/**
* Resumes calculations and scrolling at the end of a bulk operation. See {@link #beginUpdate}
*/
endUpdate : function(){
this.suspendUpdates = false;
this.delegateUpdates();
},
/**
* Hides the tab strip item for the passed tab
* @param {Number/String/Panel} item The tab index, id or item
*/
hideTabStripItem : function(item){
item = this.getComponent(item);
var el = this.getTabEl(item);
if(el){
el.style.display = 'none';
this.delegateUpdates();
}
this.stack.remove(item);
},
/**
* Unhides the tab strip item for the passed tab
* @param {Number/String/Panel} item The tab index, id or item
*/
unhideTabStripItem : function(item){
item = this.getComponent(item);
var el = this.getTabEl(item);
if(el){
el.style.display = '';
this.delegateUpdates();
}
},
// private
delegateUpdates : function(){
var rendered = this.rendered;
if(this.suspendUpdates){
return;
}
if(this.resizeTabs && rendered){
this.autoSizeTabs();
}
if(this.enableTabScroll && rendered){
this.autoScrollTabs();
}
},
// private
autoSizeTabs : function(){
var count = this.items.length,
ce = this.tabPosition != 'bottom' ? 'header' : 'footer',
ow = this[ce].dom.offsetWidth,
aw = this[ce].dom.clientWidth;
if(!this.resizeTabs || count < 1 || !aw){ // !aw for display:none
return;
}
var each = Math.max(Math.min(Math.floor((aw-4) / count) - this.tabMargin, this.tabWidth), this.minTabWidth); // -4 for float errors in IE
this.lastTabWidth = each;
var lis = this.strip.query('li:not(.x-tab-edge)');
for(var i = 0, len = lis.length; i < len; i++) {
var li = lis[i],
inner = Ext.fly(li).child('.x-tab-strip-inner', true),
tw = li.offsetWidth,
iw = inner.offsetWidth;
inner.style.width = (each - (tw-iw)) + 'px';
}
},
// private
adjustBodyWidth : function(w){
if(this.header){
this.header.setWidth(w);
}
if(this.footer){
this.footer.setWidth(w);
}
return w;
},
/**
* Sets the specified tab as the active tab. This method fires the {@link #beforetabchange} event which
* can <tt>return false</tt> to cancel the tab change.
* @param {String/Number} item
* The id or tab Panel to activate. This parameter may be any of the following:
* <div><ul class="mdetail-params">
* <li>a <b><tt>String</tt></b> : representing the <code>{@link Ext.Component#itemId itemId}</code>
* or <code>{@link Ext.Component#id id}</code> of the child component </li>
* <li>a <b><tt>Number</tt></b> : representing the position of the child component
* within the <code>{@link Ext.Container#items items}</code> <b>property</b></li>
* </ul></div>
* <p>For additional information see {@link Ext.util.MixedCollection#get}.
*/
setActiveTab : function(item){
item = this.getComponent(item);
if(this.fireEvent('beforetabchange', this, item, this.activeTab) === false){
return;
}
if(!this.rendered){
this.activeTab = item;
return;
}
if(this.activeTab != item){
if(this.activeTab){
var oldEl = this.getTabEl(this.activeTab);
if(oldEl){
Ext.fly(oldEl).removeClass('x-tab-strip-active');
}
}
this.activeTab = item;
if(item){
var el = this.getTabEl(item);
Ext.fly(el).addClass('x-tab-strip-active');
this.stack.add(item);
this.layout.setActiveItem(item);
// Need to do this here, since setting the active tab slightly changes the size
this.delegateUpdates();
if(this.scrolling){
this.scrollToTab(item, this.animScroll);
}
}
this.fireEvent('tabchange', this, item);
}
},
/**
* Returns the Component which is the currently active tab. <b>Note that before the TabPanel
* first activates a child Component, this method will return whatever was configured in the
* {@link #activeTab} config option.</b>
* @return {BoxComponent} The currently active child Component if one <i>is</i> active, or the {@link #activeTab} config value.
*/
getActiveTab : function(){
return this.activeTab || null;
},
/**
* Gets the specified tab by id.
* @param {String} id The tab id
* @return {Panel} The tab
*/
getItem : function(item){
return this.getComponent(item);
},
// private
autoScrollTabs : function(){
this.pos = this.tabPosition=='bottom' ? this.footer : this.header;
var count = this.items.length,
ow = this.pos.dom.offsetWidth,
tw = this.pos.dom.clientWidth,
wrap = this.stripWrap,
wd = wrap.dom,
cw = wd.offsetWidth,
pos = this.getScrollPos(),
l = this.edge.getOffsetsTo(this.stripWrap)[0] + pos;
if(!this.enableTabScroll || cw < 20){ // 20 to prevent display:none issues
return;
}
if(count == 0 || l <= tw){
// ensure the width is set if there's no tabs
wd.scrollLeft = 0;
wrap.setWidth(tw);
if(this.scrolling){
this.scrolling = false;
this.pos.removeClass('x-tab-scrolling');
this.scrollLeft.hide();
this.scrollRight.hide();
// See here: http://extjs.com/forum/showthread.php?t=49308&highlight=isSafari
if(Ext.isAir || Ext.isWebKit){
wd.style.marginLeft = '';
wd.style.marginRight = '';
}
}
}else{
if(!this.scrolling){
this.pos.addClass('x-tab-scrolling');
// See here: http://extjs.com/forum/showthread.php?t=49308&highlight=isSafari
if(Ext.isAir || Ext.isWebKit){
wd.style.marginLeft = '18px';
wd.style.marginRight = '18px';
}
}
tw -= wrap.getMargins('lr');
wrap.setWidth(tw > 20 ? tw : 20);
if(!this.scrolling){
if(!this.scrollLeft){
this.createScrollers();
}else{
this.scrollLeft.show();
this.scrollRight.show();
}
}
this.scrolling = true;
if(pos > (l-tw)){ // ensure it stays within bounds
wd.scrollLeft = l-tw;
}else{ // otherwise, make sure the active tab is still visible
this.scrollToTab(this.activeTab, false);
}
this.updateScrollButtons();
}
},
// private
createScrollers : function(){
this.pos.addClass('x-tab-scrolling-' + this.tabPosition);
var h = this.stripWrap.dom.offsetHeight;
// left
var sl = this.pos.insertFirst({
cls:'x-tab-scroller-left'
});
sl.setHeight(h);
sl.addClassOnOver('x-tab-scroller-left-over');
this.leftRepeater = new Ext.util.ClickRepeater(sl, {
interval : this.scrollRepeatInterval,
handler: this.onScrollLeft,
scope: this
});
this.scrollLeft = sl;
// right
var sr = this.pos.insertFirst({
cls:'x-tab-scroller-right'
});
sr.setHeight(h);
sr.addClassOnOver('x-tab-scroller-right-over');
this.rightRepeater = new Ext.util.ClickRepeater(sr, {
interval : this.scrollRepeatInterval,
handler: this.onScrollRight,
scope: this
});
this.scrollRight = sr;
},
// private
getScrollWidth : function(){
return this.edge.getOffsetsTo(this.stripWrap)[0] + this.getScrollPos();
},
// private
getScrollPos : function(){
return parseInt(this.stripWrap.dom.scrollLeft, 10) || 0;
},
// private
getScrollArea : function(){
return parseInt(this.stripWrap.dom.clientWidth, 10) || 0;
},
// private
getScrollAnim : function(){
return {duration:this.scrollDuration, callback: this.updateScrollButtons, scope: this};
},
// private
getScrollIncrement : function(){
return this.scrollIncrement || (this.resizeTabs ? this.lastTabWidth+2 : 100);
},
/**
* Scrolls to a particular tab if tab scrolling is enabled
* @param {Panel} item The item to scroll to
* @param {Boolean} animate True to enable animations
*/
scrollToTab : function(item, animate){
if(!item){
return;
}
var el = this.getTabEl(item),
pos = this.getScrollPos(),
area = this.getScrollArea(),
left = Ext.fly(el).getOffsetsTo(this.stripWrap)[0] + pos,
right = left + el.offsetWidth;
if(left < pos){
this.scrollTo(left, animate);
}else if(right > (pos + area)){
this.scrollTo(right - area, animate);
}
},
// private
scrollTo : function(pos, animate){
this.stripWrap.scrollTo('left', pos, animate ? this.getScrollAnim() : false);
if(!animate){
this.updateScrollButtons();
}
},
onWheel : function(e){