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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>The source code</title>
<link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
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<pre class="prettyprint lang-js">/*!
* Ext JS Library 3.4.0
* Copyright(c) 2006-2011 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),
id = Ext.util.Format.htmlEncode(gel.id);
expanded = Ext.isDefined(expanded) ? expanded : gel.hasClass('x-grid-group-collapsed');
if(this.state[id] !== expanded){
if (this.cancelEditOnToggle !== false) {
this.grid.stopEditing(true);
}
this.state[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>
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