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<pre class="prettyprint lang-js"><div id="cls-Ext.layout.AccordionLayout"></div>/**
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* @class Ext.layout.AccordionLayout
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* @extends Ext.layout.FitLayout
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* <p>This is a layout that manages multiple Panels in an expandable accordion style such that only
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* <b>one Panel can be expanded at any given time</b>. Each Panel has built-in support for expanding and collapsing.</p>
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* <p>Note: Only Ext.Panels <b>and all subclasses of Ext.Panel</b> may be used in an accordion layout Container.</p>
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* <p>This class is intended to be extended or created via the <tt><b>{@link Ext.Container#layout layout}</b></tt>
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* configuration property. See <tt><b>{@link Ext.Container#layout}</b></tt> for additional details.</p>
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* <p>Example usage:</p>
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* <pre><code>
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var accordion = new Ext.Panel({
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title: 'Accordion Layout',
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layout:'accordion',
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defaults: {
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// applied to each contained panel
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bodyStyle: 'padding:15px'
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},
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layoutConfig: {
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// layout-specific configs go here
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titleCollapse: false,
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animate: true,
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activeOnTop: true
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},
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items: [{
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title: 'Panel 1',
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html: '<p>Panel content!</p>'
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},{
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title: 'Panel 2',
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html: '<p>Panel content!</p>'
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},{
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title: 'Panel 3',
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html: '<p>Panel content!</p>'
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}]
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});
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</code></pre>
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*/
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Ext.layout.AccordionLayout = Ext.extend(Ext.layout.FitLayout, {
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<div id="cfg-Ext.layout.AccordionLayout-fill"></div>/**
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* @cfg {Boolean} fill
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* True to adjust the active item's height to fill the available space in the container, false to use the
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* item's current height, or auto height if not explicitly set (defaults to true).
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*/
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fill : true,
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<div id="cfg-Ext.layout.AccordionLayout-autoWidth"></div>/**
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* @cfg {Boolean} autoWidth
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* True to set each contained item's width to 'auto', false to use the item's current width (defaults to true).
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* Note that some components, in particular the {@link Ext.grid.GridPanel grid}, will not function properly within
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* layouts if they have auto width, so in such cases this config should be set to false.
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*/
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autoWidth : true,
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<div id="cfg-Ext.layout.AccordionLayout-titleCollapse"></div>/**
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* @cfg {Boolean} titleCollapse
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* True to allow expand/collapse of each contained panel by clicking anywhere on the title bar, false to allow
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* expand/collapse only when the toggle tool button is clicked (defaults to true). When set to false,
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* {@link #hideCollapseTool} should be false also.
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*/
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titleCollapse : true,
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<div id="cfg-Ext.layout.AccordionLayout-hideCollapseTool"></div>/**
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* @cfg {Boolean} hideCollapseTool
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* True to hide the contained panels' collapse/expand toggle buttons, false to display them (defaults to false).
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* When set to true, {@link #titleCollapse} should be true also.
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*/
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hideCollapseTool : false,
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<div id="cfg-Ext.layout.AccordionLayout-collapseFirst"></div>/**
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* @cfg {Boolean} collapseFirst
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* True to make sure the collapse/expand toggle button always renders first (to the left of) any other tools
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* in the contained panels' title bars, false to render it last (defaults to false).
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*/
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collapseFirst : false,
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<div id="cfg-Ext.layout.AccordionLayout-animate"></div>/**
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* @cfg {Boolean} animate
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* True to slide the contained panels open and closed during expand/collapse using animation, false to open and
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* close directly with no animation (defaults to false). Note: to defer to the specific config setting of each
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* contained panel for this property, set this to undefined at the layout level.
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*/
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animate : false,
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<div id="cfg-Ext.layout.AccordionLayout-sequence"></div>/**
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* @cfg {Boolean} sequence
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* <b>Experimental</b>. If animate is set to true, this will result in each animation running in sequence.
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*/
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sequence : false,
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<div id="cfg-Ext.layout.AccordionLayout-activeOnTop"></div>/**
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* @cfg {Boolean} activeOnTop
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* True to swap the position of each panel as it is expanded so that it becomes the first item in the container,
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* false to keep the panels in the rendered order. <b>This is NOT compatible with "animate:true"</b> (defaults to false).
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*/
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activeOnTop : false,
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renderItem : function(c){
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if(this.animate === false){
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c.animCollapse = false;
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}
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c.collapsible = true;
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if(this.autoWidth){
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c.autoWidth = true;
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}
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if(this.titleCollapse){
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c.titleCollapse = true;
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}
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if(this.hideCollapseTool){
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c.hideCollapseTool = true;
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}
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if(this.collapseFirst !== undefined){
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c.collapseFirst = this.collapseFirst;
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}
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if(!this.activeItem && !c.collapsed){
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this.setActiveItem(c, true);
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}else if(this.activeItem && this.activeItem != c){
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c.collapsed = true;
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}
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Ext.layout.AccordionLayout.superclass.renderItem.apply(this, arguments);
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c.header.addClass('x-accordion-hd');
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c.on('beforeexpand', this.beforeExpand, this);
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},
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onRemove: function(c){
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Ext.layout.AccordionLayout.superclass.onRemove.call(this, c);
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if(c.rendered){
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c.header.removeClass('x-accordion-hd');
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}
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c.un('beforeexpand', this.beforeExpand, this);
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},
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// private
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beforeExpand : function(p, anim){
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var ai = this.activeItem;
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if(ai){
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if(this.sequence){
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delete this.activeItem;
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if (!ai.collapsed){
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ai.collapse({callback:function(){
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p.expand(anim || true);
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}, scope: this});
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return false;
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}
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}else{
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ai.collapse(this.animate);
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}
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}
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this.setActive(p);
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if(this.activeOnTop){
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p.el.dom.parentNode.insertBefore(p.el.dom, p.el.dom.parentNode.firstChild);
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}
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this.layout();
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},
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// private
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setItemSize : function(item, size){
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if(this.fill && item){
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var hh = 0;
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this.container.items.each(function(p){
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if(p != item){
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hh += p.header.getHeight();
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}
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});
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size.height -= hh;
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item.setSize(size);
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}
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},
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<div id="method-Ext.layout.AccordionLayout-setActiveItem"></div>/**
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* Sets the active (expanded) item in the layout.
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* @param {String/Number} item The string component id or numeric index of the item to activate
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*/
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setActiveItem : function(item){
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this.setActive(item, true);
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},
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// private
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setActive : function(item, expand){
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var ai = this.activeItem;
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item = this.container.getComponent(item);
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if(ai != item){
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if(item.rendered && item.collapsed && expand){
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item.expand();
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}else{
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if(ai){
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ai.fireEvent('deactivate', ai);
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}
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this.activeItem = item;
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item.fireEvent('activate', item);
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}
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}
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}
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});
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Ext.Container.LAYOUTS.accordion = Ext.layout.AccordionLayout;
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//backwards compat
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Ext.layout.Accordion = Ext.layout.AccordionLayout;</pre>
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