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- <title>The source code</title>
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- <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
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- <pre class="prettyprint lang-js">/*!
- * Ext JS Library 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.com/license
- */
-<div id="cls-Ext.grid.GroupingView"></div>/**
- * @class Ext.grid.GroupingView
- * @extends Ext.grid.GridView
- * Adds the ability for single level grouping to the grid. A {@link Ext.data.GroupingStore GroupingStore}
- * must be used to enable grouping. Some grouping characteristics may also be configured at the
- * {@link Ext.grid.Column Column level}<div class="mdetail-params"><ul>
- * <li><code>{@link Ext.grid.Column#emptyGroupText emptyGroupText}</code></li>
- * <li><code>{@link Ext.grid.Column#groupable groupable}</code></li>
- * <li><code>{@link Ext.grid.Column#groupName groupName}</code></li>
- * <li><code>{@link Ext.grid.Column#groupRender groupRender}</code></li>
- * </ul></div>
- * <p>Sample usage:</p>
- * <pre><code>
-var grid = new Ext.grid.GridPanel({
- // A groupingStore is required for a GroupingView
- store: new {@link Ext.data.GroupingStore}({
- autoDestroy: true,
- reader: reader,
- data: xg.dummyData,
- sortInfo: {field: 'company', direction: 'ASC'},
- {@link Ext.data.GroupingStore#groupOnSort groupOnSort}: true,
- {@link Ext.data.GroupingStore#remoteGroup remoteGroup}: true,
- {@link Ext.data.GroupingStore#groupField groupField}: 'industry'
- }),
- colModel: new {@link Ext.grid.ColumnModel}({
- columns:[
- {id:'company',header: 'Company', width: 60, dataIndex: 'company'},
- // {@link Ext.grid.Column#groupable groupable}, {@link Ext.grid.Column#groupName groupName}, {@link Ext.grid.Column#groupRender groupRender} are also configurable at column level
- {header: 'Price', renderer: Ext.util.Format.usMoney, dataIndex: 'price', {@link Ext.grid.Column#groupable groupable}: false},
- {header: 'Change', dataIndex: 'change', renderer: Ext.util.Format.usMoney},
- {header: 'Industry', dataIndex: 'industry'},
- {header: 'Last Updated', renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}
- ],
- defaults: {
- sortable: true,
- menuDisabled: false,
- width: 20
- }
- }),
-
- view: new Ext.grid.GroupingView({
- {@link Ext.grid.GridView#forceFit forceFit}: true,
- // custom grouping text template to display the number of items per group
- {@link #groupTextTpl}: '{text} ({[values.rs.length]} {[values.rs.length > 1 ? "Items" : "Item"]})'
- }),
-
- frame:true,
- width: 700,
- height: 450,
- collapsible: true,
- animCollapse: false,
- title: 'Grouping Example',
- iconCls: 'icon-grid',
- renderTo: document.body
-});
- * </code></pre>
- * @constructor
- * @param {Object} config
- */
-Ext.grid.GroupingView = Ext.extend(Ext.grid.GridView, {
-
- <div id="cfg-Ext.grid.GroupingView-groupByText"></div>/**
- * @cfg {String} groupByText Text displayed in the grid header menu for grouping by a column
- * (defaults to 'Group By This Field').
- */
- groupByText : 'Group By This Field',
- <div id="cfg-Ext.grid.GroupingView-showGroupsText"></div>/**
- * @cfg {String} showGroupsText Text displayed in the grid header for enabling/disabling grouping
- * (defaults to 'Show in Groups').
- */
- showGroupsText : 'Show in Groups',
- <div id="cfg-Ext.grid.GroupingView-hideGroupedColumn"></div>/**
- * @cfg {Boolean} hideGroupedColumn <tt>true</tt> to hide the column that is currently grouped (defaults to <tt>false</tt>)
- */
- hideGroupedColumn : false,
- <div id="cfg-Ext.grid.GroupingView-showGroupName"></div>/**
- * @cfg {Boolean} showGroupName If <tt>true</tt> will display a prefix plus a ': ' before the group field value
- * in the group header line. The prefix will consist of the <tt><b>{@link Ext.grid.Column#groupName groupName}</b></tt>
- * (or the configured <tt><b>{@link Ext.grid.Column#header header}</b></tt> if not provided) configured in the
- * {@link Ext.grid.Column} for each set of grouped rows (defaults to <tt>true</tt>).
- */
- showGroupName : true,
- <div id="cfg-Ext.grid.GroupingView-startCollapsed"></div>/**
- * @cfg {Boolean} startCollapsed <tt>true</tt> to start all groups collapsed (defaults to <tt>false</tt>)
- */
- startCollapsed : false,
- <div id="cfg-Ext.grid.GroupingView-enableGrouping"></div>/**
- * @cfg {Boolean} enableGrouping <tt>false</tt> to disable grouping functionality (defaults to <tt>true</tt>)
- */
- enableGrouping : true,
- <div id="cfg-Ext.grid.GroupingView-enableGroupingMenu"></div>/**
- * @cfg {Boolean} enableGroupingMenu <tt>true</tt> to enable the grouping control in the column menu (defaults to <tt>true</tt>)
- */
- enableGroupingMenu : true,
- <div id="cfg-Ext.grid.GroupingView-enableNoGroups"></div>/**
- * @cfg {Boolean} enableNoGroups <tt>true</tt> to allow the user to turn off grouping (defaults to <tt>true</tt>)
- */
- enableNoGroups : true,
- <div id="cfg-Ext.grid.GroupingView-emptyGroupText"></div>/**
- * @cfg {String} emptyGroupText The text to display when there is an empty group value (defaults to <tt>'(None)'</tt>).
- * May also be specified per column, see {@link Ext.grid.Column}.{@link Ext.grid.Column#emptyGroupText emptyGroupText}.
- */
- emptyGroupText : '(None)',
- <div id="cfg-Ext.grid.GroupingView-ignoreAdd"></div>/**
- * @cfg {Boolean} ignoreAdd <tt>true</tt> to skip refreshing the view when new rows are added (defaults to <tt>false</tt>)
- */
- ignoreAdd : false,
- <div id="cfg-Ext.grid.GroupingView-groupTextTpl"></div>/**
- * @cfg {String} groupTextTpl The template used to render the group header (defaults to <tt>'{text}'</tt>).
- * This is used to format an object which contains the following properties:
- * <div class="mdetail-params"><ul>
- * <li><b>group</b> : String<p class="sub-desc">The <i>rendered</i> value of the group field.
- * By default this is the unchanged value of the group field. If a <tt><b>{@link Ext.grid.Column#groupRenderer groupRenderer}</b></tt>
- * is specified, it is the result of a call to that function.</p></li>
- * <li><b>gvalue</b> : Object<p class="sub-desc">The <i>raw</i> value of the group field.</p></li>
- * <li><b>text</b> : String<p class="sub-desc">The configured header (as described in <tt>{@link #showGroupName})</tt>
- * if <tt>{@link #showGroupName}</tt> is <tt>true</tt>) plus the <i>rendered</i> group field value.</p></li>
- * <li><b>groupId</b> : String<p class="sub-desc">A unique, generated ID which is applied to the
- * View Element which contains the group.</p></li>
- * <li><b>startRow</b> : Number<p class="sub-desc">The row index of the Record which caused group change.</p></li>
- * <li><b>rs</b> : Array<p class="sub-desc">Contains a single element: The Record providing the data
- * for the row which caused group change.</p></li>
- * <li><b>cls</b> : String<p class="sub-desc">The generated class name string to apply to the group header Element.</p></li>
- * <li><b>style</b> : String<p class="sub-desc">The inline style rules to apply to the group header Element.</p></li>
- * </ul></div></p>
- * See {@link Ext.XTemplate} for information on how to format data using a template. Possible usage:<pre><code>
-var grid = new Ext.grid.GridPanel({
- ...
- view: new Ext.grid.GroupingView({
- groupTextTpl: '{text} ({[values.rs.length]} {[values.rs.length > 1 ? "Items" : "Item"]})'
- }),
-});
- * </code></pre>
- */
- groupTextTpl : '{text}',
-
- <div id="cfg-Ext.grid.GroupingView-groupMode"></div>/**
- * @cfg {String} groupMode Indicates how to construct the group identifier. <tt>'value'</tt> constructs the id using
- * raw value, <tt>'display'</tt> constructs the id using the rendered value. Defaults to <tt>'value'</tt>.
- */
- groupMode: 'value',
-
- <div id="cfg-Ext.grid.GroupingView-groupRenderer"></div>/**
- * @cfg {Function} groupRenderer This property must be configured in the {@link Ext.grid.Column} for
- * each column.
- */
-
- <div id="cfg-Ext.grid.GroupingView-cancelEditOnToggle"></div>/**
- * @cfg {Boolean} cancelEditOnToggle True to cancel any editing when the group header is toggled. Defaults to <tt>true</tt>.
- */
- cancelEditOnToggle: true,
-
- // private
- initTemplates : function(){
- Ext.grid.GroupingView.superclass.initTemplates.call(this);
- this.state = {};
-
- var sm = this.grid.getSelectionModel();
- sm.on(sm.selectRow ? 'beforerowselect' : 'beforecellselect',
- this.onBeforeRowSelect, this);
-
- if(!this.startGroup){
- this.startGroup = new Ext.XTemplate(
- '<div id="{groupId}" class="x-grid-group {cls}">',
- '<div id="{groupId}-hd" class="x-grid-group-hd" style="{style}"><div class="x-grid-group-title">', this.groupTextTpl ,'</div></div>',
- '<div id="{groupId}-bd" class="x-grid-group-body">'
- );
- }
- this.startGroup.compile();
-
- if (!this.endGroup) {
- this.endGroup = '</div></div>';
- }
- },
-
- // private
- findGroup : function(el){
- return Ext.fly(el).up('.x-grid-group', this.mainBody.dom);
- },
-
- // private
- getGroups : function(){
- return this.hasRows() ? this.mainBody.dom.childNodes : [];
- },
-
- // private
- onAdd : function(ds, records, index) {
- if (this.canGroup() && !this.ignoreAdd) {
- var ss = this.getScrollState();
- this.fireEvent('beforerowsinserted', ds, index, index + (records.length-1));
- this.refresh();
- this.restoreScroll(ss);
- this.fireEvent('rowsinserted', ds, index, index + (records.length-1));
- } else if (!this.canGroup()) {
- Ext.grid.GroupingView.superclass.onAdd.apply(this, arguments);
- }
- },
-
- // private
- onRemove : function(ds, record, index, isUpdate){
- Ext.grid.GroupingView.superclass.onRemove.apply(this, arguments);
- var g = document.getElementById(record._groupId);
- if(g && g.childNodes[1].childNodes.length < 1){
- Ext.removeNode(g);
- }
- this.applyEmptyText();
- },
-
- // private
- refreshRow : function(record){
- if(this.ds.getCount()==1){
- this.refresh();
- }else{
- this.isUpdating = true;
- Ext.grid.GroupingView.superclass.refreshRow.apply(this, arguments);
- this.isUpdating = false;
- }
- },
-
- // private
- beforeMenuShow : function(){
- var item, items = this.hmenu.items, disabled = this.cm.config[this.hdCtxIndex].groupable === false;
- if((item = items.get('groupBy'))){
- item.setDisabled(disabled);
- }
- if((item = items.get('showGroups'))){
- item.setDisabled(disabled);
- item.setChecked(this.canGroup(), true);
- }
- },
-
- // private
- renderUI : function(){
- var markup = Ext.grid.GroupingView.superclass.renderUI.call(this);
-
- if(this.enableGroupingMenu && this.hmenu){
- this.hmenu.add('-',{
- itemId:'groupBy',
- text: this.groupByText,
- handler: this.onGroupByClick,
- scope: this,
- iconCls:'x-group-by-icon'
- });
- if(this.enableNoGroups){
- this.hmenu.add({
- itemId:'showGroups',
- text: this.showGroupsText,
- checked: true,
- checkHandler: this.onShowGroupsClick,
- scope: this
- });
- }
- this.hmenu.on('beforeshow', this.beforeMenuShow, this);
- }
- return markup;
- },
-
- processEvent: function(name, e){
- Ext.grid.GroupingView.superclass.processEvent.call(this, name, e);
- var hd = e.getTarget('.x-grid-group-hd', this.mainBody);
- if(hd){
- // group value is at the end of the string
- var field = this.getGroupField(),
- prefix = this.getPrefix(field),
- groupValue = hd.id.substring(prefix.length),
- emptyRe = new RegExp('gp-' + Ext.escapeRe(field) + '--hd');
-
- // remove trailing '-hd'
- groupValue = groupValue.substr(0, groupValue.length - 3);
-
- // also need to check for empty groups
- if(groupValue || emptyRe.test(hd.id)){
- this.grid.fireEvent('group' + name, this.grid, field, groupValue, e);
- }
- if(name == 'mousedown' && e.button == 0){
- this.toggleGroup(hd.parentNode);
- }
- }
-
- },
-
- // private
- onGroupByClick : function(){
- var grid = this.grid;
- this.enableGrouping = true;
- grid.store.groupBy(this.cm.getDataIndex(this.hdCtxIndex));
- grid.fireEvent('groupchange', grid, grid.store.getGroupState());
- this.beforeMenuShow(); // Make sure the checkboxes get properly set when changing groups
- this.refresh();
- },
-
- // private
- onShowGroupsClick : function(mi, checked){
- this.enableGrouping = checked;
- if(checked){
- this.onGroupByClick();
- }else{
- this.grid.store.clearGrouping();
- this.grid.fireEvent('groupchange', this, null);
- }
- },
-
- <div id="method-Ext.grid.GroupingView-toggleRowIndex"></div>/**
- * Toggle the group that contains the specific row.
- * @param {Number} rowIndex The row inside the group
- * @param {Boolean} expanded (optional)
- */
- toggleRowIndex : function(rowIndex, expanded){
- if(!this.canGroup()){
- return;
- }
- var row = this.getRow(rowIndex);
- if(row){
- this.toggleGroup(this.findGroup(row), expanded);
- }
- },
-
- <div id="method-Ext.grid.GroupingView-toggleGroup"></div>/**
- * Toggles the specified group if no value is passed, otherwise sets the expanded state of the group to the value passed.
- * @param {String} groupId The groupId assigned to the group (see getGroupId)
- * @param {Boolean} expanded (optional)
- */
- toggleGroup : function(group, expanded){
- var gel = Ext.get(group);
- expanded = Ext.isDefined(expanded) ? expanded : gel.hasClass('x-grid-group-collapsed');
- if(this.state[gel.id] !== expanded){
- if (this.cancelEditOnToggle !== false) {
- this.grid.stopEditing(true);
- }
- this.state[gel.id] = expanded;
- gel[expanded ? 'removeClass' : 'addClass']('x-grid-group-collapsed');
- }
- },
-
- <div id="method-Ext.grid.GroupingView-toggleAllGroups"></div>/**
- * Toggles all groups if no value is passed, otherwise sets the expanded state of all groups to the value passed.
- * @param {Boolean} expanded (optional)
- */
- toggleAllGroups : function(expanded){
- var groups = this.getGroups();
- for(var i = 0, len = groups.length; i < len; i++){
- this.toggleGroup(groups[i], expanded);
- }
- },
-
- <div id="method-Ext.grid.GroupingView-expandAllGroups"></div>/**
- * Expands all grouped rows.
- */
- expandAllGroups : function(){
- this.toggleAllGroups(true);
- },
-
- <div id="method-Ext.grid.GroupingView-collapseAllGroups"></div>/**
- * Collapses all grouped rows.
- */
- collapseAllGroups : function(){
- this.toggleAllGroups(false);
- },
-
- // private
- getGroup : function(v, r, groupRenderer, rowIndex, colIndex, ds){
- var column = this.cm.config[colIndex],
- g = groupRenderer ? groupRenderer.call(column.scope, v, {}, r, rowIndex, colIndex, ds) : String(v);
- if(g === '' || g === ' '){
- g = column.emptyGroupText || this.emptyGroupText;
- }
- return g;
- },
-
- // private
- getGroupField : function(){
- return this.grid.store.getGroupState();
- },
-
- // private
- afterRender : function(){
- if(!this.ds || !this.cm){
- return;
- }
- Ext.grid.GroupingView.superclass.afterRender.call(this);
- if(this.grid.deferRowRender){
- this.updateGroupWidths();
- }
- },
-
- afterRenderUI: function () {
- Ext.grid.GroupingView.superclass.afterRenderUI.call(this);
-
- if (this.enableGroupingMenu && this.hmenu) {
- this.hmenu.add('-',{
- itemId:'groupBy',
- text: this.groupByText,
- handler: this.onGroupByClick,
- scope: this,
- iconCls:'x-group-by-icon'
- });
-
- if (this.enableNoGroups) {
- this.hmenu.add({
- itemId:'showGroups',
- text: this.showGroupsText,
- checked: true,
- checkHandler: this.onShowGroupsClick,
- scope: this
- });
- }
-
- this.hmenu.on('beforeshow', this.beforeMenuShow, this);
- }
- },
-
- // private
- renderRows : function(){
- var groupField = this.getGroupField();
- var eg = !!groupField;
- // if they turned off grouping and the last grouped field is hidden
- if(this.hideGroupedColumn) {
- var colIndex = this.cm.findColumnIndex(groupField),
- hasLastGroupField = Ext.isDefined(this.lastGroupField);
- if(!eg && hasLastGroupField){
- this.mainBody.update('');
- this.cm.setHidden(this.cm.findColumnIndex(this.lastGroupField), false);
- delete this.lastGroupField;
- }else if (eg && !hasLastGroupField){
- this.lastGroupField = groupField;
- this.cm.setHidden(colIndex, true);
- }else if (eg && hasLastGroupField && groupField !== this.lastGroupField) {
- this.mainBody.update('');
- var oldIndex = this.cm.findColumnIndex(this.lastGroupField);
- this.cm.setHidden(oldIndex, false);
- this.lastGroupField = groupField;
- this.cm.setHidden(colIndex, true);
- }
- }
- return Ext.grid.GroupingView.superclass.renderRows.apply(
- this, arguments);
- },
-
- // private
- doRender : function(cs, rs, ds, startRow, colCount, stripe){
- if(rs.length < 1){
- return '';
- }
-
- if(!this.canGroup() || this.isUpdating){
- return Ext.grid.GroupingView.superclass.doRender.apply(this, arguments);
- }
-
- var groupField = this.getGroupField(),
- colIndex = this.cm.findColumnIndex(groupField),
- g,
- gstyle = 'width:' + this.getTotalWidth() + ';',
- cfg = this.cm.config[colIndex],
- groupRenderer = cfg.groupRenderer || cfg.renderer,
- prefix = this.showGroupName ? (cfg.groupName || cfg.header)+': ' : '',
- 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('');
- },
-
- <div id="method-Ext.grid.GroupingView-getGroupId"></div>/**
- * 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;</pre>
-</body>
-</html>
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