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example2.js
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example2.js
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var labelType, useGradients, nativeTextSupport, animate;
(function() {
var ua = navigator.userAgent,
iStuff = ua.match(/iPhone/i) || ua.match(/iPad/i),
typeOfCanvas = typeof HTMLCanvasElement,
nativeCanvasSupport = (typeOfCanvas == 'object' || typeOfCanvas == 'function'),
textSupport = nativeCanvasSupport
&& (typeof document.createElement('canvas').getContext('2d').fillText == 'function');
//I'm setting this based on the fact that ExCanvas provides text support for IE
//and that as of today iPhone/iPad current text support is lame
labelType = (!nativeCanvasSupport || (textSupport && !iStuff))? 'Native' : 'HTML';
nativeTextSupport = labelType == 'Native';
useGradients = nativeCanvasSupport;
animate = !(iStuff || !nativeCanvasSupport);
})();
var Log = {
elem: false,
write: function(text){
if (!this.elem)
this.elem = document.getElementById('log');
this.elem.innerHTML = text;
this.elem.style.left = (500 - this.elem.offsetWidth / 2) + 'px';
}
};
var job = new Array();
job[0] = "38564";
var jobs = JSON.stringify(job);
function init(){
//init data
var json = {
'label': ['status A', 'status B', 'status C', 'status D'],
'values': [
{
'label': '32342',
'values': [20, 40, 15, 5]
},
{
'label': '32343',
'values': [30, 10, 45, 10]
},
{
'label': '32344',
'values': [38, 20, 35, 17]
},
{
'label': '32345',
'values': [58, 10, 35, 32]
}
]
};
console.log(json);
//end
var json2 = {
'values': [
{
'label': 'date A',
'values': [10, 40, 15, 7]
},
{
'label': 'date B',
'values': [30, 40, 45, 9]
},
{
'label': 'date D',
'values': [55, 30, 34, 26]
},
{
'label': 'date C',
'values': [26, 40, 85, 28]
}]
};
$.ajax({
url: 'ajax/_interval.php?job_no='+jobs,
type: 'GET',
dataType: 'jsonp',
dataCharset: 'jsonp',
success: function (data) {
var json = eval(data);
console.log(json);
//init BarChart
var barChart = new $jit.BarChart({
//id of the visualization container
injectInto: 'infovis',
//whether to add animations
animate: true,
//horizontal or vertical barcharts
orientation: 'horizontal',
//bars separation
barsOffset: 0.5,
//visualization offset
Margin: {
top: 5,
left: 5,
right: 5,
bottom: 5
},
//labels offset position
labelOffset:5,
//bars style
type:'stacked',
//whether to show the aggregation of the values
showAggregates:true,
//whether to show the labels for the bars
showLabels:true,
//label styles
Label: {
type: labelType, //Native or HTML
size: 13,
family: 'Arial',
color: 'white'
},
//tooltip options
Tips: {
enable: true,
onShow: function(tip, elem) {
tip.innerHTML = "<b>" + elem.name + "</b>: " + elem.value;
}
}
});
//load JSON data.
barChart.loadJSON(json);
//end
var list = $jit.id('id-list'),
button = $jit.id('update');
//update json on click 'Update Data'
$jit.util.addEvent(button, 'click', function() {
var util = $jit.util;
if(util.hasClass(button, 'gray')) return;
util.removeClass(button, 'white');
util.addClass(button, 'gray');
barChart.updateJSON(json2);
});
//dynamically add legend to list
var legend = barChart.getLegend(),
listItems = [];
for(var name in legend) {
listItems.push('<div class=\'query-color\' style=\'background-color:'
+ legend[name] +'\'> </div>' + name);
}
list.innerHTML = '<li>' + listItems.join('</li><li>') + '</li>';
}
});
}