625 lines
No EOL
22 KiB
JavaScript
625 lines
No EOL
22 KiB
JavaScript
/*
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This file is part of Ext JS 3.4
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Copyright (c) 2011-2013 Sencha Inc
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Contact: http://www.sencha.com/contact
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GNU General Public License Usage
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This file may be used under the terms of the GNU General Public License version 3.0 as
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published by the Free Software Foundation and appearing in the file LICENSE included in the
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packaging of this file.
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Please review the following information to ensure the GNU General Public License version 3.0
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requirements will be met: http://www.gnu.org/copyleft/gpl.html.
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If you are unsure which license is appropriate for your use, please contact the sales department
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at http://www.sencha.com/contact.
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Build date: 2013-04-03 15:07:25
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*/
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/**
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* @class Ext.grid.GroupingView
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* @extends Ext.grid.GridView
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* Adds the ability for single level grouping to the grid. A {@link Ext.data.GroupingStore GroupingStore}
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* must be used to enable grouping. Some grouping characteristics may also be configured at the
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* {@link Ext.grid.Column Column level}<div class="mdetail-params"><ul>
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* <li><code>{@link Ext.grid.Column#emptyGroupText emptyGroupText}</code></li>
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* <li><code>{@link Ext.grid.Column#groupable groupable}</code></li>
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* <li><code>{@link Ext.grid.Column#groupName groupName}</code></li>
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* <li><code>{@link Ext.grid.Column#groupRender groupRender}</code></li>
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* </ul></div>
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* <p>Sample usage:</p>
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* <pre><code>
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var grid = new Ext.grid.GridPanel({
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// A groupingStore is required for a GroupingView
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store: new {@link Ext.data.GroupingStore}({
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autoDestroy: true,
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reader: reader,
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data: xg.dummyData,
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sortInfo: {field: 'company', direction: 'ASC'},
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{@link Ext.data.GroupingStore#groupOnSort groupOnSort}: true,
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{@link Ext.data.GroupingStore#remoteGroup remoteGroup}: true,
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{@link Ext.data.GroupingStore#groupField groupField}: 'industry'
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}),
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colModel: new {@link Ext.grid.ColumnModel}({
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columns:[
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{id:'company',header: 'Company', width: 60, dataIndex: 'company'},
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// {@link Ext.grid.Column#groupable groupable}, {@link Ext.grid.Column#groupName groupName}, {@link Ext.grid.Column#groupRender groupRender} are also configurable at column level
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{header: 'Price', renderer: Ext.util.Format.usMoney, dataIndex: 'price', {@link Ext.grid.Column#groupable groupable}: false},
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{header: 'Change', dataIndex: 'change', renderer: Ext.util.Format.usMoney},
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{header: 'Industry', dataIndex: 'industry'},
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{header: 'Last Updated', renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}
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],
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defaults: {
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sortable: true,
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menuDisabled: false,
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width: 20
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}
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}),
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view: new Ext.grid.GroupingView({
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{@link Ext.grid.GridView#forceFit forceFit}: true,
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// custom grouping text template to display the number of items per group
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{@link #groupTextTpl}: '{text} ({[values.rs.length]} {[values.rs.length > 1 ? "Items" : "Item"]})'
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}),
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frame:true,
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width: 700,
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height: 450,
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collapsible: true,
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animCollapse: false,
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title: 'Grouping Example',
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iconCls: 'icon-grid',
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renderTo: document.body
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});
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* </code></pre>
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* @constructor
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* @param {Object} config
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*/
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Ext.grid.GroupingView = Ext.extend(Ext.grid.GridView, {
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/**
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* @cfg {String} groupByText Text displayed in the grid header menu for grouping by a column
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* (defaults to 'Group By This Field').
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*/
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groupByText : 'Group By This Field',
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/**
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* @cfg {String} showGroupsText Text displayed in the grid header for enabling/disabling grouping
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* (defaults to 'Show in Groups').
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*/
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showGroupsText : 'Show in Groups',
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/**
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* @cfg {Boolean} hideGroupedColumn <tt>true</tt> to hide the column that is currently grouped (defaults to <tt>false</tt>)
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*/
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hideGroupedColumn : false,
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/**
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* @cfg {Boolean} showGroupName If <tt>true</tt> will display a prefix plus a ': ' before the group field value
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* in the group header line. The prefix will consist of the <tt><b>{@link Ext.grid.Column#groupName groupName}</b></tt>
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* (or the configured <tt><b>{@link Ext.grid.Column#header header}</b></tt> if not provided) configured in the
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* {@link Ext.grid.Column} for each set of grouped rows (defaults to <tt>true</tt>).
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*/
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showGroupName : true,
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/**
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* @cfg {Boolean} startCollapsed <tt>true</tt> to start all groups collapsed (defaults to <tt>false</tt>)
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*/
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startCollapsed : false,
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/**
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* @cfg {Boolean} enableGrouping <tt>false</tt> to disable grouping functionality (defaults to <tt>true</tt>)
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*/
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enableGrouping : true,
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/**
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* @cfg {Boolean} enableGroupingMenu <tt>true</tt> to enable the grouping control in the column menu (defaults to <tt>true</tt>)
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*/
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enableGroupingMenu : true,
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/**
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* @cfg {Boolean} enableNoGroups <tt>true</tt> to allow the user to turn off grouping (defaults to <tt>true</tt>)
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*/
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enableNoGroups : true,
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/**
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* @cfg {String} emptyGroupText The text to display when there is an empty group value (defaults to <tt>'(None)'</tt>).
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* May also be specified per column, see {@link Ext.grid.Column}.{@link Ext.grid.Column#emptyGroupText emptyGroupText}.
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*/
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emptyGroupText : '(None)',
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/**
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* @cfg {Boolean} ignoreAdd <tt>true</tt> to skip refreshing the view when new rows are added (defaults to <tt>false</tt>)
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*/
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ignoreAdd : false,
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/**
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* @cfg {String} groupTextTpl The template used to render the group header (defaults to <tt>'{text}'</tt>).
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* This is used to format an object which contains the following properties:
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* <div class="mdetail-params"><ul>
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* <li><b>group</b> : String<p class="sub-desc">The <i>rendered</i> value of the group field.
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* By default this is the unchanged value of the group field. If a <tt><b>{@link Ext.grid.Column#groupRenderer groupRenderer}</b></tt>
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* is specified, it is the result of a call to that function.</p></li>
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* <li><b>gvalue</b> : Object<p class="sub-desc">The <i>raw</i> value of the group field.</p></li>
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* <li><b>text</b> : String<p class="sub-desc">The configured header (as described in <tt>{@link #showGroupName})</tt>
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* if <tt>{@link #showGroupName}</tt> is <tt>true</tt>) plus the <i>rendered</i> group field value.</p></li>
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* <li><b>groupId</b> : String<p class="sub-desc">A unique, generated ID which is applied to the
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* View Element which contains the group.</p></li>
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* <li><b>startRow</b> : Number<p class="sub-desc">The row index of the Record which caused group change.</p></li>
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* <li><b>rs</b> : Array<p class="sub-desc">Contains a single element: The Record providing the data
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* for the row which caused group change.</p></li>
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* <li><b>cls</b> : String<p class="sub-desc">The generated class name string to apply to the group header Element.</p></li>
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* <li><b>style</b> : String<p class="sub-desc">The inline style rules to apply to the group header Element.</p></li>
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* </ul></div></p>
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* See {@link Ext.XTemplate} for information on how to format data using a template. Possible usage:<pre><code>
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var grid = new Ext.grid.GridPanel({
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...
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view: new Ext.grid.GroupingView({
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groupTextTpl: '{text} ({[values.rs.length]} {[values.rs.length > 1 ? "Items" : "Item"]})'
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}),
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});
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* </code></pre>
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*/
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groupTextTpl : '{text}',
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/**
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* @cfg {String} groupMode Indicates how to construct the group identifier. <tt>'value'</tt> constructs the id using
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* raw value, <tt>'display'</tt> constructs the id using the rendered value. Defaults to <tt>'value'</tt>.
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*/
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groupMode: 'value',
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/**
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* @cfg {Function} groupRenderer This property must be configured in the {@link Ext.grid.Column} for
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* each column.
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*/
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/**
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* @cfg {Boolean} cancelEditOnToggle True to cancel any editing when the group header is toggled. Defaults to <tt>true</tt>.
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*/
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cancelEditOnToggle: true,
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// private
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initTemplates : function(){
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Ext.grid.GroupingView.superclass.initTemplates.call(this);
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this.state = {};
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var sm = this.grid.getSelectionModel();
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sm.on(sm.selectRow ? 'beforerowselect' : 'beforecellselect',
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this.onBeforeRowSelect, this);
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if(!this.startGroup){
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this.startGroup = new Ext.XTemplate(
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'<div id="{groupId}" class="x-grid-group {cls}">',
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'<div id="{groupId}-hd" class="x-grid-group-hd" style="{style}"><div class="x-grid-group-title">', this.groupTextTpl ,'</div></div>',
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'<div id="{groupId}-bd" class="x-grid-group-body">'
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);
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}
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this.startGroup.compile();
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if (!this.endGroup) {
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this.endGroup = '</div></div>';
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}
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},
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// private
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findGroup : function(el){
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return Ext.fly(el).up('.x-grid-group', this.mainBody.dom);
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},
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// private
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getGroups : function(){
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return this.hasRows() ? this.mainBody.dom.childNodes : [];
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},
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// private
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onAdd : function(ds, records, index) {
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if (this.canGroup() && !this.ignoreAdd) {
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var ss = this.getScrollState();
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this.fireEvent('beforerowsinserted', ds, index, index + (records.length-1));
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this.refresh();
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this.restoreScroll(ss);
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this.fireEvent('rowsinserted', ds, index, index + (records.length-1));
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} else if (!this.canGroup()) {
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Ext.grid.GroupingView.superclass.onAdd.apply(this, arguments);
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}
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},
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// private
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onRemove : function(ds, record, index, isUpdate){
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Ext.grid.GroupingView.superclass.onRemove.apply(this, arguments);
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var g = document.getElementById(record._groupId);
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if(g && g.childNodes[1].childNodes.length < 1){
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Ext.removeNode(g);
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}
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this.applyEmptyText();
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},
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// private
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refreshRow : function(record){
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if(this.ds.getCount()==1){
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this.refresh();
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}else{
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this.isUpdating = true;
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Ext.grid.GroupingView.superclass.refreshRow.apply(this, arguments);
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this.isUpdating = false;
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}
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},
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// private
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beforeMenuShow : function(){
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var item, items = this.hmenu.items, disabled = this.cm.config[this.hdCtxIndex].groupable === false;
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if((item = items.get('groupBy'))){
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item.setDisabled(disabled);
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}
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if((item = items.get('showGroups'))){
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item.setDisabled(disabled);
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item.setChecked(this.canGroup(), true);
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}
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},
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// private
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renderUI : function(){
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var markup = Ext.grid.GroupingView.superclass.renderUI.call(this);
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if(this.enableGroupingMenu && this.hmenu){
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this.hmenu.add('-',{
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itemId:'groupBy',
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text: this.groupByText,
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handler: this.onGroupByClick,
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scope: this,
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iconCls:'x-group-by-icon'
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});
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if(this.enableNoGroups){
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this.hmenu.add({
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itemId:'showGroups',
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text: this.showGroupsText,
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checked: true,
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checkHandler: this.onShowGroupsClick,
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scope: this
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});
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}
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this.hmenu.on('beforeshow', this.beforeMenuShow, this);
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}
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return markup;
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},
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processEvent: function(name, e){
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Ext.grid.GroupingView.superclass.processEvent.call(this, name, e);
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var hd = e.getTarget('.x-grid-group-hd', this.mainBody);
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if(hd){
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// group value is at the end of the string
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var field = this.getGroupField(),
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prefix = this.getPrefix(field),
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groupValue = hd.id.substring(prefix.length),
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emptyRe = new RegExp('gp-' + Ext.escapeRe(field) + '--hd');
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// remove trailing '-hd'
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groupValue = groupValue.substr(0, groupValue.length - 3);
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// also need to check for empty groups
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if(groupValue || emptyRe.test(hd.id)){
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this.grid.fireEvent('group' + name, this.grid, field, groupValue, e);
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}
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if(name == 'mousedown' && e.button == 0){
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this.toggleGroup(hd.parentNode);
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}
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}
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},
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// private
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onGroupByClick : function(){
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var grid = this.grid;
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this.enableGrouping = true;
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grid.store.groupBy(this.cm.getDataIndex(this.hdCtxIndex));
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grid.fireEvent('groupchange', grid, grid.store.getGroupState());
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this.beforeMenuShow(); // Make sure the checkboxes get properly set when changing groups
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this.refresh();
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},
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// private
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onShowGroupsClick : function(mi, checked){
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this.enableGrouping = checked;
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if(checked){
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this.onGroupByClick();
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}else{
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this.grid.store.clearGrouping();
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this.grid.fireEvent('groupchange', this, null);
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}
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},
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/**
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* Toggle the group that contains the specific row.
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* @param {Number} rowIndex The row inside the group
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* @param {Boolean} expanded (optional)
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*/
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toggleRowIndex : function(rowIndex, expanded){
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if(!this.canGroup()){
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return;
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}
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var row = this.getRow(rowIndex);
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if(row){
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this.toggleGroup(this.findGroup(row), expanded);
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}
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},
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/**
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* Toggles the specified group if no value is passed, otherwise sets the expanded state of the group to the value passed.
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* @param {String} groupId The groupId assigned to the group (see getGroupId)
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* @param {Boolean} expanded (optional)
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*/
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toggleGroup : function(group, expanded){
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var gel = Ext.get(group),
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id = Ext.util.Format.htmlEncode(gel.id);
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expanded = Ext.isDefined(expanded) ? expanded : gel.hasClass('x-grid-group-collapsed');
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if(this.state[id] !== expanded){
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if (this.cancelEditOnToggle !== false) {
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this.grid.stopEditing(true);
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}
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this.state[id] = expanded;
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gel[expanded ? 'removeClass' : 'addClass']('x-grid-group-collapsed');
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}
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},
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/**
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* Toggles all groups if no value is passed, otherwise sets the expanded state of all groups to the value passed.
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* @param {Boolean} expanded (optional)
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*/
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toggleAllGroups : function(expanded){
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var groups = this.getGroups();
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for(var i = 0, len = groups.length; i < len; i++){
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this.toggleGroup(groups[i], expanded);
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}
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},
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/**
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* Expands all grouped rows.
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*/
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expandAllGroups : function(){
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this.toggleAllGroups(true);
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},
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/**
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* Collapses all grouped rows.
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*/
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collapseAllGroups : function(){
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this.toggleAllGroups(false);
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},
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// private
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getGroup : function(v, r, groupRenderer, rowIndex, colIndex, ds){
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var column = this.cm.config[colIndex],
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g = groupRenderer ? groupRenderer.call(column.scope, v, {}, r, rowIndex, colIndex, ds) : String(v);
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if(g === '' || g === ' '){
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g = column.emptyGroupText || this.emptyGroupText;
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}
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return g;
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},
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// private
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getGroupField : function(){
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return this.grid.store.getGroupState();
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},
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// private
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afterRender : function(){
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if(!this.ds || !this.cm){
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return;
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}
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Ext.grid.GroupingView.superclass.afterRender.call(this);
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if(this.grid.deferRowRender){
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this.updateGroupWidths();
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}
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},
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afterRenderUI: function () {
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Ext.grid.GroupingView.superclass.afterRenderUI.call(this);
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if (this.enableGroupingMenu && this.hmenu) {
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this.hmenu.add('-',{
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itemId:'groupBy',
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text: this.groupByText,
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handler: this.onGroupByClick,
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scope: this,
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iconCls:'x-group-by-icon'
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});
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if (this.enableNoGroups) {
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this.hmenu.add({
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itemId:'showGroups',
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text: this.showGroupsText,
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checked: true,
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checkHandler: this.onShowGroupsClick,
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scope: this
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});
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}
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this.hmenu.on('beforeshow', this.beforeMenuShow, this);
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}
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},
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// private
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renderRows : function(){
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var groupField = this.getGroupField();
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var eg = !!groupField;
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// if they turned off grouping and the last grouped field is hidden
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if(this.hideGroupedColumn) {
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var colIndex = this.cm.findColumnIndex(groupField),
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hasLastGroupField = Ext.isDefined(this.lastGroupField);
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if(!eg && hasLastGroupField){
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this.mainBody.update('');
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this.cm.setHidden(this.cm.findColumnIndex(this.lastGroupField), false);
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delete this.lastGroupField;
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}else if (eg && !hasLastGroupField){
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this.lastGroupField = groupField;
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this.cm.setHidden(colIndex, true);
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}else if (eg && hasLastGroupField && groupField !== this.lastGroupField) {
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this.mainBody.update('');
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var oldIndex = this.cm.findColumnIndex(this.lastGroupField);
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this.cm.setHidden(oldIndex, false);
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this.lastGroupField = groupField;
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this.cm.setHidden(colIndex, true);
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}
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}
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return Ext.grid.GroupingView.superclass.renderRows.apply(
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this, arguments);
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},
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// private
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doRender : function(cs, rs, ds, startRow, colCount, stripe){
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if(rs.length < 1){
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return '';
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}
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if(!this.canGroup() || this.isUpdating){
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return Ext.grid.GroupingView.superclass.doRender.apply(this, arguments);
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}
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var groupField = this.getGroupField(),
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colIndex = this.cm.findColumnIndex(groupField),
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g,
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gstyle = 'width:' + this.getTotalWidth() + ';',
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cfg = this.cm.config[colIndex],
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groupRenderer = cfg.groupRenderer || cfg.renderer,
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prefix = this.showGroupName ? (cfg.groupName || cfg.header)+': ' : '',
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|
groups = [],
|
|
curGroup, i, len, gid;
|
|
|
|
for(i = 0, len = rs.length; i < len; i++){
|
|
var rowIndex = startRow + i,
|
|
r = rs[i],
|
|
gvalue = r.data[groupField];
|
|
|
|
g = this.getGroup(gvalue, r, groupRenderer, rowIndex, colIndex, ds);
|
|
if(!curGroup || curGroup.group != g){
|
|
gid = this.constructId(gvalue, groupField, colIndex);
|
|
// if state is defined use it, however state is in terms of expanded
|
|
// so negate it, otherwise use the default.
|
|
this.state[gid] = !(Ext.isDefined(this.state[gid]) ? !this.state[gid] : this.startCollapsed);
|
|
curGroup = {
|
|
group: g,
|
|
gvalue: gvalue,
|
|
text: prefix + g,
|
|
groupId: gid,
|
|
startRow: rowIndex,
|
|
rs: [r],
|
|
cls: this.state[gid] ? '' : 'x-grid-group-collapsed',
|
|
style: gstyle
|
|
};
|
|
groups.push(curGroup);
|
|
}else{
|
|
curGroup.rs.push(r);
|
|
}
|
|
r._groupId = gid;
|
|
}
|
|
|
|
var buf = [];
|
|
for(i = 0, len = groups.length; i < len; i++){
|
|
g = groups[i];
|
|
this.doGroupStart(buf, g, cs, ds, colCount);
|
|
buf[buf.length] = Ext.grid.GroupingView.superclass.doRender.call(
|
|
this, cs, g.rs, ds, g.startRow, colCount, stripe);
|
|
|
|
this.doGroupEnd(buf, g, cs, ds, colCount);
|
|
}
|
|
return buf.join('');
|
|
},
|
|
|
|
/**
|
|
* Dynamically tries to determine the groupId of a specific value
|
|
* @param {String} value
|
|
* @return {String} The group id
|
|
*/
|
|
getGroupId : function(value){
|
|
var field = this.getGroupField();
|
|
return this.constructId(value, field, this.cm.findColumnIndex(field));
|
|
},
|
|
|
|
// private
|
|
constructId : function(value, field, idx){
|
|
var cfg = this.cm.config[idx],
|
|
groupRenderer = cfg.groupRenderer || cfg.renderer,
|
|
val = (this.groupMode == 'value') ? value : this.getGroup(value, {data:{}}, groupRenderer, 0, idx, this.ds);
|
|
|
|
return this.getPrefix(field) + Ext.util.Format.htmlEncode(val);
|
|
},
|
|
|
|
// private
|
|
canGroup : function(){
|
|
return this.enableGrouping && !!this.getGroupField();
|
|
},
|
|
|
|
// private
|
|
getPrefix: function(field){
|
|
return this.grid.getGridEl().id + '-gp-' + field + '-';
|
|
},
|
|
|
|
// private
|
|
doGroupStart : function(buf, g, cs, ds, colCount){
|
|
buf[buf.length] = this.startGroup.apply(g);
|
|
},
|
|
|
|
// private
|
|
doGroupEnd : function(buf, g, cs, ds, colCount){
|
|
buf[buf.length] = this.endGroup;
|
|
},
|
|
|
|
// private
|
|
getRows : function(){
|
|
if(!this.canGroup()){
|
|
return Ext.grid.GroupingView.superclass.getRows.call(this);
|
|
}
|
|
var r = [],
|
|
gs = this.getGroups(),
|
|
g,
|
|
i = 0,
|
|
len = gs.length,
|
|
j,
|
|
jlen;
|
|
for(; i < len; ++i){
|
|
g = gs[i].childNodes[1];
|
|
if(g){
|
|
g = g.childNodes;
|
|
for(j = 0, jlen = g.length; j < jlen; ++j){
|
|
r[r.length] = g[j];
|
|
}
|
|
}
|
|
}
|
|
return r;
|
|
},
|
|
|
|
// private
|
|
updateGroupWidths : function(){
|
|
if(!this.canGroup() || !this.hasRows()){
|
|
return;
|
|
}
|
|
var tw = Math.max(this.cm.getTotalWidth(), this.el.dom.offsetWidth-this.getScrollOffset()) +'px';
|
|
var gs = this.getGroups();
|
|
for(var i = 0, len = gs.length; i < len; i++){
|
|
gs[i].firstChild.style.width = tw;
|
|
}
|
|
},
|
|
|
|
// private
|
|
onColumnWidthUpdated : function(col, w, tw){
|
|
Ext.grid.GroupingView.superclass.onColumnWidthUpdated.call(this, col, w, tw);
|
|
this.updateGroupWidths();
|
|
},
|
|
|
|
// private
|
|
onAllColumnWidthsUpdated : function(ws, tw){
|
|
Ext.grid.GroupingView.superclass.onAllColumnWidthsUpdated.call(this, ws, tw);
|
|
this.updateGroupWidths();
|
|
},
|
|
|
|
// private
|
|
onColumnHiddenUpdated : function(col, hidden, tw){
|
|
Ext.grid.GroupingView.superclass.onColumnHiddenUpdated.call(this, col, hidden, tw);
|
|
this.updateGroupWidths();
|
|
},
|
|
|
|
// private
|
|
onLayout : function(){
|
|
this.updateGroupWidths();
|
|
},
|
|
|
|
// private
|
|
onBeforeRowSelect : function(sm, rowIndex){
|
|
this.toggleRowIndex(rowIndex, true);
|
|
}
|
|
});
|
|
// private
|
|
Ext.grid.GroupingView.GROUP_ID = 1000; |