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infographic_2.js
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// ------------- View -------------
Ext.define('Infographic.View', {
extend: 'Ext.panel.Panel',
title: 'Infographic: Step 2 (adding custom sprites, "insetPadding" config, TextMeasurer)',
floating: true,
constrain: true,
layout: 'absolute',
width: 990,
items: [
{
xtype: 'polar',
width: '100%',
height: 1375, // make the chart taller to accommodate the footer and the header
insetPadding: '400 0 125 0', // TODO 1
store: {
type: 'unemployment'
},
sprites: [ // TODO 2
{
type: 'rect',
x: 50,
y: 40,
width: 890,
height: 100,
fillStyle: 'rgba(76, 76, 77, 1.0)'
},
{
type: 'text',
text: 'Changes in U.S. Unemployment',
font: 'bold 54px Charter',
fillStyle: 'white',
x: 70,
y: 120
},
{
type: 'text',
text: '2007-2012',
font: 'normal 24px Verdana',
fillStyle: 'white',
x: 730,
y: 76
},
{
type: 'path', // The stripe containing the 'SENCHA INFOGRAPHIC' text.
path: 'M0,0 L294,0 L302,8 L302,29.14 C302,29.14 0,29.5 0,29 C0,28.5 0,0 0,0 z',
translationX: 34,
translationY: 20,
fillStyle: '#DDDCD4'
},
{
type: 'path', // The edge twist of the stripe above.
path: 'M0,29.265 L13.5,29.265 L13.5,41.265 z',
translationX: 34,
translationY: 20,
fillStyle: '#9D9D9D'
},
{
type: 'text',
text: 'SENCHA',
font: 'normal 12px Verdana',
fillStyle: 'rgba(148, 51, 57, 1.0)',
x: 60,
y: 42
},
{
type: 'text',
text: 'INFOGRAPHIC',
font: 'bold 12px Verdana',
fillStyle: 'rgba(148, 51, 57, 1.0)',
x: 116,
y: 42
},
{
type: 'image', // Sencha leaf logo.
src: 'sencha.png',
x: 24,
y: 10,
width: 24,
height: 36.5
},
{
type: 'text',
text: 'Forty-three states and the District of Columbia added\n' +
'jobs in the past 12 months, but the US has 4.8\n' +
'million fewer jobs than it did in 2008. North Dakota\n' +
'led the pack with a 7.2 percent increase, but the\n' +
'national growth rate was only 1.1 percent. Seven\n' +
'states lost jobs.',
font: 'normal 20px Charter',
textBaseline: 'top',
fillStyle: 'black',
x: 75,
y: 165
},
{
type: 'text',
text: 'Unemployment',
font: 'bold 36px Charter',
fillStyle: 'rgba(76, 76, 77, 1.0)',
textBaseline: 'top',
x: 632,
y: 165
},
{
type: 'path', // The legend's up arrow.
path: 'M0,6.5 L12.5,0 L25,6.5 L25,21.5 L0,21.5 z',
translationX: 748,
translationY: 214.5,
fillStyle: 'rgba(146, 50, 51, 1.0)'
},
{
type: 'rect',
x: 748,
y: 238,
width: 25,
height: 20,
fillStyle: 'rgba(179, 113, 114, 1.0)'
},
{
type: 'rect',
x: 748,
y: 260,
width: 25,
height: 20,
fillStyle: 'rgba(126, 135, 142, 1.0)'
},
{
type: 'rect',
x: 748,
y: 282,
width: 25,
height: 20,
fillStyle: 'rgba(194, 212, 221, 1.0)'
},
{
type: 'path', // The legend's down arrow.
path: 'M0,15 L12.5,21.5 L25,15 L25,0 L0,0 z',
translationX: 748,
translationY: 304,
fillStyle: 'rgba(114, 166, 185, 1.0)'
},
{
type: 'text',
text: 'rose by more than 1.5%',
textAlign: 'right',
font: 'normal 13px Charter',
fillStyle: 'rgba(56, 54, 54, 1.0)',
x: 742,
y: 233
},
{
type: 'text',
text: 'rose by 0.5% to 1.5%',
textAlign: 'right',
font: 'normal 13px Charter',
fillStyle: 'rgba(56, 54, 54, 1.0)',
x: 742,
y: 255
},
{
type: 'text',
text: 'rose by less than 0.5%',
textAlign: 'right',
font: 'normal 13px Charter',
fillStyle: 'rgba(56, 54, 54, 1.0)',
x: 742,
y: 277
},
{
type: 'text',
text: 'fell by less than 0.5%',
textAlign: 'left',
font: 'normal 13px Charter',
fillStyle: 'rgba(56, 54, 54, 1.0)',
x: 778,
y: 277
},
{
type: 'text',
text: 'fell by 0.5% to 1.5%',
textAlign: 'left',
font: 'normal 13px Charter',
fillStyle: 'rgba(56, 54, 54, 1.0)',
x: 778,
y: 298
},
{
type: 'text',
text: 'fell by more than 1.5%',
textAlign: 'left',
font: 'normal 13px Charter',
fillStyle: 'rgba(56, 54, 54, 1.0)',
x: 778,
y: 318
},
{
type: 'text',
text: 'Roll over a state to learn more.',
textAlign: 'center',
font: 'bold 17px Charter',
fillStyle: 'rgba(77, 77, 78, 1.0)',
x: 495,
y: 370
},
{
type: 'rect', // The footer rectangle.
x: 50,
y: 1300,
width: 890,
height: 50,
fillStyle: 'rgba(76, 76, 77, 1.0)'
},
{
type: 'text',
text: 'Source: Bureau of Labor Statistics',
textBaseline: 'top',
font: 'normal 12px Tahoma',
fillStyle: 'white',
x: 60,
y: 1310
},
{
type: 'text',
text: 'Sencha infographic by Vitaly Kravchenko\nupdated June 4, 2014',
textBaseline: 'top',
textAlign: 'right',
font: 'normal 12px Tahoma',
fillStyle: 'white',
x: 930,
y: 1310
}
],
series: {
type: 'pie',
angleField: 'span',
donut: 93, // percentage of the series radius
subStyle: { // Use that instead of 'style' config in case a series has multiple sprites.
strokeStyle: 'white'
}
}
}
]
});
Ext.onReady(function () {
// Make Ext.draw.TextMeasurer use the Ext.util.TextMetrics to measure text,
// which is a more precise but much slower solution.
// For this example it shouldn't be a noticable performace hit,
// since we will make optimizations elsewhere.
Ext.draw.TextMeasurer.precise = true; // TODO 3
Ext.create('Infographic.View', {
renderTo: Ext.getBody()
});
});