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