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| Ext.require('Ext.chart.*');
| Ext.require(['Ext.layout.container.Fit', 'Ext.window.MessageBox']);
|
| Ext.onReady(function () {
| store1.loadData(generateData(6, 20));
|
| var donut = false,
| chart = Ext.create('Ext.chart.Chart', {
| xtype: 'chart',
| animate: true,
| store: store1,
| shadow: true,
| legend: {
| position: 'right'
| },
| insetPadding: 60,
| theme: 'Base:gradients',
| series: [{
| type: 'pie',
| field: 'data1',
| showInLegend: true,
| donut: donut,
| tips: {
| trackMouse: true,
| width: 140,
| height: 28,
| renderer: function(storeItem, item) {
| //calculate percentage.
| var total = 0;
| store1.each(function(rec) {
| total += rec.get('data1');
| });
| this.setTitle(storeItem.get('name') + ': ' + Math.round(storeItem.get('data1') / total * 100) + '%');
| }
| },
| highlight: {
| segment: {
| margin: 20
| }
| },
| label: {
| field: 'name',
| display: 'rotate',
| contrast: true,
| font: '18px Arial'
| }
| }]
| });
|
|
| var panel1 = Ext.create('widget.panel', {
| width: 800,
| height: 600,
| title: 'Semester Trends',
| renderTo: Ext.getBody(),
| layout: 'fit',
| tbar: [{
| text: 'Save Chart',
| handler: function() {
| Ext.MessageBox.confirm('Confirm Download', 'Would you like to download the chart as an image?', function(choice){
| if(choice == 'yes'){
| chart.save({
| type: 'image/png'
| });
| }
| });
| }
| }, {
| text: 'Reload Data',
| handler: function() {
| // Add a short delay to prevent fast sequential clicks
| window.loadTask.delay(100, function() {
| store1.loadData(generateData(6, 20));
| });
| }
| }, {
| enableToggle: true,
| pressed: false,
| text: 'Donut',
| toggleHandler: function(btn, pressed) {
| chart.series.first().donut = pressed ? 35 : false;
| chart.refresh();
| }
| }],
| items: chart
| });
| });
|
|