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| Ext.define('Ext.app.ChartPortlet', {
|
| extend: 'Ext.panel.Panel',
| alias: 'widget.chartportlet',
|
| requires: [
| 'Ext.data.JsonStore',
| 'Ext.chart.theme.Base',
| 'Ext.chart.series.Series',
| 'Ext.chart.series.Line',
| 'Ext.chart.axis.Numeric'
| ],
|
| generateData: function(){
| var data = [{
| name: 0,
| djia: 10000,
| sp500: 1100
| }],
| i;
| for (i = 1; i < 50; i++) {
| data.push({
| name: i,
| sp500: data[i - 1].sp500 + ((Math.floor(Math.random() * 2) % 2) ? -1 : 1) * Math.floor(Math.random() * 7),
| djia: data[i - 1].djia + ((Math.floor(Math.random() * 2) % 2) ? -1 : 1) * Math.floor(Math.random() * 7)
| });
| }
| return data;
| },
|
| initComponent: function(){
|
| Ext.apply(this, {
| layout: 'fit',
| height: 300,
| items: {
| xtype: 'chart',
| animate: false,
| shadow: false,
| store: Ext.create('Ext.data.JsonStore', {
| fields: ['name', 'sp500', 'djia'],
| data: this.generateData()
| }),
| legend: {
| position: 'bottom'
| },
| axes: [{
| type: 'Numeric',
| position: 'left',
| fields: ['djia'],
| title: 'Dow Jones Average',
| label: {
| font: '11px Arial'
| }
| }, {
| type: 'Numeric',
| position: 'right',
| grid: false,
| fields: ['sp500'],
| title: 'S&P 500',
| label: {
| font: '11px Arial'
| }
| }],
| series: [{
| type: 'line',
| lineWidth: 1,
| showMarkers: false,
| fill: true,
| axis: 'left',
| xField: 'name',
| yField: 'djia',
| style: {
| 'stroke-width': 1,
| stroke: 'rgb(148, 174, 10)'
|
| }
| }, {
| type: 'line',
| lineWidth: 1,
| showMarkers: false,
| axis: 'right',
| xField: 'name',
| yField: 'sp500',
| style: {
| 'stroke-width': 1,
| stroke: 'rgb(17, 95, 166)'
|
| }
| }]
| }
| });
|
| this.callParent(arguments);
| }
| });
|
|
