/ext-4.1.0_b3/examples/charts/BarRenderer.js

 1Ext.require('Ext.chart.*');
 2Ext.require(['Ext.Window', 'Ext.fx.target.Sprite', 'Ext.layout.container.Fit']);
 3
 4Ext.onReady(function () {
 5    var win = Ext.create('Ext.Window', {
 6        width: 800,
 7        height: 600,
 8        minHeight: 400,
 9        minWidth: 550,
10        hidden: false,
11        maximizable: true,
12        title: 'Bar Renderer',
13        renderTo: Ext.getBody(),
14        layout: 'fit',
15        tbar: [{
16            text: 'Reload Data',
17            handler: function() {
18                store1.loadData(generateData());
19            }
20        }],
21        items: {
22            xtype: 'chart',
23            animate: true,
24            style: 'background:#fff',
25            shadow: false,
26            store: store1,
27            axes: [{
28                type: 'Numeric',
29                position: 'bottom',
30                fields: ['data1'],
31                label: {
32                   renderer: Ext.util.Format.numberRenderer('0,0')
33                },
34                title: 'Number of Hits',
35                minimum: 0
36            }, {
37                type: 'Category',
38                position: 'left',
39                fields: ['name'],
40                title: 'Month of the Year'
41            }],
42            series: [{
43                type: 'bar',
44                axis: 'bottom',
45                label: {
46                    display: 'insideEnd',
47                    field: 'data1',
48                    renderer: Ext.util.Format.numberRenderer('0'),
49                    orientation: 'horizontal',
50                    color: '#333',
51                    'text-anchor': 'middle',
52                    contrast: true
53                },
54                xField: 'name',
55                yField: ['data1'],
56                //color renderer
57                renderer: function(sprite, record, attr, index, store) {
58                    var fieldValue = Math.random() * 20 + 10;
59                    var value = (record.get('data1') >> 0) % 5;
60                    var color = ['rgb(213, 70, 121)', 
61                                 'rgb(44, 153, 201)', 
62                                 'rgb(146, 6, 157)', 
63                                 'rgb(49, 149, 0)', 
64                                 'rgb(249, 153, 0)'][value];
65                    return Ext.apply(attr, {
66                        fill: color
67                    });
68                }
69            }]
70        }
71    });
72});