Pie.js
2.6 KB
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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',
id: 'chartCmp',
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() {
store1.loadData(generateData(6, 20));
}
}, {
enableToggle: true,
pressed: false,
text: 'Donut',
toggleHandler: function(btn, pressed) {
var chart = Ext.getCmp('chartCmp');
chart.series.first().donut = pressed ? 35 : false;
chart.refresh();
}
}],
items: chart
});
});