<apex:page controller="GoogleChartsController" sidebar="false">
<!-- Google API inclusion -->
<apex:includeScript id="a" value="https://www.google.com/jsapi" />
<apex:sectionHeader title="Google Charts + Javascript Remoting" subtitle="Demoing - Opportunities by Exepected Revenue"/>
<!-- Google Charts will be drawn in this DIV -->
<div id="chartBlock"/>
<div id="chartBlockpie"/>
<div id="chartBlockline"/>
<div id="chartBlockbar" />
<div id="chartBlockgauge" />
<script type="text/javascript">
// Load the Visualization API and the piechart package.
google.load('visualization', '1.0', {'packages':['corechart']});
// Set a callback to run when the Google Visualization API is loaded.
google.setOnLoadCallback(initCharts);
function initCharts() {
// Following the usual Remoting syntax
// [<namespace>.]<controller>.<method>([params...,]
//<callbackFunction>(result, event) {...}
// namespace :
// controller : GoogleChartsController
// method : loadOpps
GoogleChartsController.loadOpps(
function(result, event){
// load Column chart
var visualization = new google.visualization.ColumnChart(document.getElementById('chartBlock'));
// Prepare table model for chart with columns
var data = new google.visualization.DataTable();
data.addColumn('string', 'Name');
data.addColumn('number', 'Amount');
// add rows from the remoting results
for(var i =0; i<result.length;i++){
var r = result[i];
data.addRow([r.Name, r.Amount]);
}
var chart = new google.visualization.PieChart(document.getElementById('chartBlockpie'));
chart.draw(data, result);
var chart = new google.visualization.LineChart(document.getElementById('chartBlockline'));
chart.draw(data, result);
var chart = new google.visualization.BarChart(document.getElementById('chartBlockbar'));
chart.draw(data, result);
/*var chart = new google.visualization.ScatterChart(document.getElementById('chartBlockscater'));
chart.draw(data, result);*/
var chart = new google.visualization.GaugeChart(document.getElementById('chartBlockgauge'));
chart.draw(data, result);
// all done, lets draw the chart with some options to make it look nice.
visualization.draw(data, {legend : {position: 'top', textStyle: {color: 'blue', fontSize: 10}}, width:window.innerWidth,vAxis:
{textStyle:{fontSize: 10}},hAxis:{textStyle:{fontSize: 10},showTextEvery:1,slantedText:false}});
},{escape:true});
}
</script>
<p>Total Different Kind Of Production:<apex:outputText value="{!totalvalue}"/></p>
</apex:page>
Controller:
global with sharing class GoogleChartsController {
public Integer totalvalue{get;set;}
public GoogleChartsController() {
// Integer totalvalue;
list<AggregateResult> Namecount=new List<AggregateResult>();
Namecount= [select COUNT_DISTINCT(Amount) ctr from Opportunity];
for(AggregateResult sobj:Namecount){
totalvalue=Integer.valueOf(sobj.get('ctr'));
}
System.debug('################asish####################'+totalvalue);
}
/**
Loads most recent 10 Opportunities
*/
@RemoteAction
global static Opportunity[] loadOpps() {
return [select Id, Name, Amount from Opportunity order by CreatedDate DESC limit 10];
}
}
Here I am sharing some image regarding chart.
