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- <title>The source code</title>
- <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
- <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
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-<body onload="prettyPrint();">
- <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
- */
-Ext.ns('Ext.ux.grid');
-
-<div id="cls-Ext.ux.grid.GroupSummary"></div>/**
- * @class Ext.ux.grid.GroupSummary
- * @extends Ext.util.Observable
- * A GridPanel plugin that enables dynamic column calculations and a dynamically
- * updated grouped summary row.
- */
-Ext.ux.grid.GroupSummary = Ext.extend(Ext.util.Observable, {
- <div id="cfg-Ext.ux.grid.GroupSummary-summaryRenderer"></div>/**
- * @cfg {Function} summaryRenderer Renderer example:<pre><code>
-summaryRenderer: function(v, params, data){
- return ((v === 0 || v > 1) ? '(' + v +' Tasks)' : '(1 Task)');
-},
- * </code></pre>
- */
- <div id="cfg-Ext.ux.grid.GroupSummary-summaryType"></div>/**
- * @cfg {String} summaryType (Optional) The type of
- * calculation to be used for the column. For options available see
- * {@link #Calculations}.
- */
-
- constructor : function(config){
- Ext.apply(this, config);
- Ext.ux.grid.GroupSummary.superclass.constructor.call(this);
- },
- init : function(grid){
- this.grid = grid;
- var v = this.view = grid.getView();
- v.doGroupEnd = this.doGroupEnd.createDelegate(this);
-
- v.afterMethod('onColumnWidthUpdated', this.doWidth, this);
- v.afterMethod('onAllColumnWidthsUpdated', this.doAllWidths, this);
- v.afterMethod('onColumnHiddenUpdated', this.doHidden, this);
- v.afterMethod('onUpdate', this.doUpdate, this);
- v.afterMethod('onRemove', this.doRemove, this);
-
- if(!this.rowTpl){
- this.rowTpl = new Ext.Template(
- '<div class="x-grid3-summary-row" style="{tstyle}">',
- '<table class="x-grid3-summary-table" border="0" cellspacing="0" cellpadding="0" style="{tstyle}">',
- '<tbody><tr>{cells}</tr></tbody>',
- '</table></div>'
- );
- this.rowTpl.disableFormats = true;
- }
- this.rowTpl.compile();
-
- if(!this.cellTpl){
- this.cellTpl = new Ext.Template(
- '<td class="x-grid3-col x-grid3-cell x-grid3-td-{id} {css}" style="{style}">',
- '<div class="x-grid3-cell-inner x-grid3-col-{id}" unselectable="on">{value}</div>',
- "</td>"
- );
- this.cellTpl.disableFormats = true;
- }
- this.cellTpl.compile();
- },
-
- <div id="method-Ext.ux.grid.GroupSummary-toggleSummaries"></div>/**
- * Toggle the display of the summary row on/off
- * @param {Boolean} visible <tt>true</tt> to show the summary, <tt>false</tt> to hide the summary.
- */
- toggleSummaries : function(visible){
- var el = this.grid.getGridEl();
- if(el){
- if(visible === undefined){
- visible = el.hasClass('x-grid-hide-summary');
- }
- el[visible ? 'removeClass' : 'addClass']('x-grid-hide-summary');
- }
- },
-
- renderSummary : function(o, cs){
- cs = cs || this.view.getColumnData();
- var cfg = this.grid.getColumnModel().config,
- buf = [], c, p = {}, cf, last = cs.length-1;
- for(var i = 0, len = cs.length; i < len; i++){
- c = cs[i];
- cf = cfg[i];
- p.id = c.id;
- p.style = c.style;
- p.css = i == 0 ? 'x-grid3-cell-first ' : (i == last ? 'x-grid3-cell-last ' : '');
- if(cf.summaryType || cf.summaryRenderer){
- p.value = (cf.summaryRenderer || c.renderer)(o.data[c.name], p, o);
- }else{
- p.value = '';
- }
- if(p.value == undefined || p.value === "") p.value = " ";
- buf[buf.length] = this.cellTpl.apply(p);
- }
-
- return this.rowTpl.apply({
- tstyle: 'width:'+this.view.getTotalWidth()+';',
- cells: buf.join('')
- });
- },
-
- /**
- * @private
- * @param {Object} rs
- * @param {Object} cs
- */
- calculate : function(rs, cs){
- var data = {}, r, c, cfg = this.grid.getColumnModel().config, cf;
- for(var j = 0, jlen = rs.length; j < jlen; j++){
- r = rs[j];
- for(var i = 0, len = cs.length; i < len; i++){
- c = cs[i];
- cf = cfg[i];
- if(cf.summaryType){
- data[c.name] = Ext.ux.grid.GroupSummary.Calculations[cf.summaryType](data[c.name] || 0, r, c.name, data);
- }
- }
- }
- return data;
- },
-
- doGroupEnd : function(buf, g, cs, ds, colCount){
- var data = this.calculate(g.rs, cs);
- buf.push('</div>', this.renderSummary({data: data}, cs), '</div>');
- },
-
- doWidth : function(col, w, tw){
- if(!this.isGrouped()){
- return;
- }
- var gs = this.view.getGroups(),
- len = gs.length,
- i = 0,
- s;
- for(; i < len; ++i){
- s = gs[i].childNodes[2];
- s.style.width = tw;
- s.firstChild.style.width = tw;
- s.firstChild.rows[0].childNodes[col].style.width = w;
- }
- },
-
- doAllWidths : function(ws, tw){
- if(!this.isGrouped()){
- return;
- }
- var gs = this.view.getGroups(),
- len = gs.length,
- i = 0,
- j,
- s,
- cells,
- wlen = ws.length;
-
- for(; i < len; i++){
- s = gs[i].childNodes[2];
- s.style.width = tw;
- s.firstChild.style.width = tw;
- cells = s.firstChild.rows[0].childNodes;
- for(j = 0; j < wlen; j++){
- cells[j].style.width = ws[j];
- }
- }
- },
-
- doHidden : function(col, hidden, tw){
- if(!this.isGrouped()){
- return;
- }
- var gs = this.view.getGroups(),
- len = gs.length,
- i = 0,
- s,
- display = hidden ? 'none' : '';
- for(; i < len; i++){
- s = gs[i].childNodes[2];
- s.style.width = tw;
- s.firstChild.style.width = tw;
- s.firstChild.rows[0].childNodes[col].style.display = display;
- }
- },
-
- isGrouped : function(){
- return !Ext.isEmpty(this.grid.getStore().groupField);
- },
-
- // Note: requires that all (or the first) record in the
- // group share the same group value. Returns false if the group
- // could not be found.
- refreshSummary : function(groupValue){
- return this.refreshSummaryById(this.view.getGroupId(groupValue));
- },
-
- getSummaryNode : function(gid){
- var g = Ext.fly(gid, '_gsummary');
- if(g){
- return g.down('.x-grid3-summary-row', true);
- }
- return null;
- },
-
- refreshSummaryById : function(gid){
- var g = Ext.getDom(gid);
- if(!g){
- return false;
- }
- var rs = [];
- this.grid.getStore().each(function(r){
- if(r._groupId == gid){
- rs[rs.length] = r;
- }
- });
- var cs = this.view.getColumnData(),
- data = this.calculate(rs, cs),
- markup = this.renderSummary({data: data}, cs),
- existing = this.getSummaryNode(gid);
-
- if(existing){
- g.removeChild(existing);
- }
- Ext.DomHelper.append(g, markup);
- return true;
- },
-
- doUpdate : function(ds, record){
- this.refreshSummaryById(record._groupId);
- },
-
- doRemove : function(ds, record, index, isUpdate){
- if(!isUpdate){
- this.refreshSummaryById(record._groupId);
- }
- },
-
- <div id="method-Ext.ux.grid.GroupSummary-showSummaryMsg"></div>/**
- * Show a message in the summary row.
- * <pre><code>
-grid.on('afteredit', function(){
- var groupValue = 'Ext Forms: Field Anchoring';
- summary.showSummaryMsg(groupValue, 'Updating Summary...');
-});
- * </code></pre>
- * @param {String} groupValue
- * @param {String} msg Text to use as innerHTML for the summary row.
- */
- showSummaryMsg : function(groupValue, msg){
- var gid = this.view.getGroupId(groupValue),
- node = this.getSummaryNode(gid);
- if(node){
- node.innerHTML = '<div class="x-grid3-summary-msg">' + msg + '</div>';
- }
- }
-});
-
-//backwards compat
-Ext.grid.GroupSummary = Ext.ux.grid.GroupSummary;
-
-
-<div id="prop-Ext.ux.grid.GroupSummary-Calculations"></div>/**
- * Calculation types for summary row:</p><div class="mdetail-params"><ul>
- * <li><b><tt>sum</tt></b> : <div class="sub-desc"></div></li>
- * <li><b><tt>count</tt></b> : <div class="sub-desc"></div></li>
- * <li><b><tt>max</tt></b> : <div class="sub-desc"></div></li>
- * <li><b><tt>min</tt></b> : <div class="sub-desc"></div></li>
- * <li><b><tt>average</tt></b> : <div class="sub-desc"></div></li>
- * </ul></div>
- * <p>Custom calculations may be implemented. An example of
- * custom <code>summaryType=totalCost</code>:</p><pre><code>
-// define a custom summary function
-Ext.ux.grid.GroupSummary.Calculations['totalCost'] = function(v, record, field){
- return v + (record.data.estimate * record.data.rate);
-};
- * </code></pre>
- * @property Calculations
- */
-
-Ext.ux.grid.GroupSummary.Calculations = {
- 'sum' : function(v, record, field){
- return v + (record.data[field]||0);
- },
-
- 'count' : function(v, record, field, data){
- return data[field+'count'] ? ++data[field+'count'] : (data[field+'count'] = 1);
- },
-
- 'max' : function(v, record, field, data){
- var v = record.data[field];
- var max = data[field+'max'] === undefined ? (data[field+'max'] = v) : data[field+'max'];
- return v > max ? (data[field+'max'] = v) : max;
- },
-
- 'min' : function(v, record, field, data){
- var v = record.data[field];
- var min = data[field+'min'] === undefined ? (data[field+'min'] = v) : data[field+'min'];
- return v < min ? (data[field+'min'] = v) : min;
- },
-
- 'average' : function(v, record, field, data){
- var c = data[field+'count'] ? ++data[field+'count'] : (data[field+'count'] = 1);
- var t = (data[field+'total'] = ((data[field+'total']||0) + (record.data[field]||0)));
- return t === 0 ? 0 : t / c;
- }
-};
-Ext.grid.GroupSummary.Calculations = Ext.ux.grid.GroupSummary.Calculations;
-
-<div id="cls-Ext.ux.grid.HybridSummary"></div>/**
- * @class Ext.ux.grid.HybridSummary
- * @extends Ext.ux.grid.GroupSummary
- * Adds capability to specify the summary data for the group via json as illustrated here:
- * <pre><code>
-{
- data: [
- {
- projectId: 100, project: 'House',
- taskId: 112, description: 'Paint',
- estimate: 6, rate: 150,
- due:'06/24/2007'
- },
- ...
- ],
-
- summaryData: {
- 'House': {
- description: 14, estimate: 9,
- rate: 99, due: new Date(2009, 6, 29),
- cost: 999
- }
- }
-}
- * </code></pre>
- *
- */
-Ext.ux.grid.HybridSummary = Ext.extend(Ext.ux.grid.GroupSummary, {
- /**
- * @private
- * @param {Object} rs
- * @param {Object} cs
- */
- calculate : function(rs, cs){
- var gcol = this.view.getGroupField(),
- gvalue = rs[0].data[gcol],
- gdata = this.getSummaryData(gvalue);
- return gdata || Ext.ux.grid.HybridSummary.superclass.calculate.call(this, rs, cs);
- },
-
- <div id="method-Ext.ux.grid.HybridSummary-updateSummaryData"></div>/**
- * <pre><code>
-grid.on('afteredit', function(){
- var groupValue = 'Ext Forms: Field Anchoring';
- summary.showSummaryMsg(groupValue, 'Updating Summary...');
- setTimeout(function(){ // simulate server call
- // HybridSummary class implements updateSummaryData
- summary.updateSummaryData(groupValue,
- // create data object based on configured dataIndex
- {description: 22, estimate: 888, rate: 888, due: new Date(), cost: 8});
- }, 2000);
-});
- * </code></pre>
- * @param {String} groupValue
- * @param {Object} data data object
- * @param {Boolean} skipRefresh (Optional) Defaults to false
- */
- updateSummaryData : function(groupValue, data, skipRefresh){
- var json = this.grid.getStore().reader.jsonData;
- if(!json.summaryData){
- json.summaryData = {};
- }
- json.summaryData[groupValue] = data;
- if(!skipRefresh){
- this.refreshSummary(groupValue);
- }
- },
-
- <div id="method-Ext.ux.grid.HybridSummary-getSummaryData"></div>/**
- * Returns the summaryData for the specified groupValue or null.
- * @param {String} groupValue
- * @return {Object} summaryData
- */
- getSummaryData : function(groupValue){
- var reader = this.grid.getStore().reader,
- json = reader.jsonData,
- fields = reader.recordType.prototype.fields,
- v;
-
- if(json && json.summaryData){
- v = json.summaryData[groupValue];
- if(v){
- return reader.extractValues(v, fields.items, fields.length);
- }
- }
- return null;
- }
-});
-
-//backwards compat
-Ext.grid.HybridSummary = Ext.ux.grid.HybridSummary;
-</pre>
-</body>
-</html>
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