Changing options after creating the chart.

• February 20, 2014 at 11:34 pm #5922
  
  Daniel Silva

  Hi,

  I’m trying to change some of the chart options after creating the object.

  The title works great:
  chart.options.title.text=”another title”;

  But theme doesn’t:
  chart.options=”theme2″;

  http://jsfiddle.net/dreamfalcon/ravXa/

  Is this possible?
  I want to create a form where the user could change some of the charts options.

  Br,
  Daniel

  February 21, 2014 at 3:40 pm #5924
  
  Daniel Silva

  Its chart.options.theme=”theme2″;
  Still doesn’t work :/

  February 21, 2014 at 3:53 pm #5925
  
  Sunil Urs

  Daniel,

  I can confirm the issue. Am currently working towards fixing the same. Will get back at the earliest with a new build – probably in a day or two.

  —
  Sunil Urs

  February 21, 2014 at 4:37 pm #5926
  
  Daniel Silva

  If we could change any of the options and them call render would be great :)

  Thanks

  February 23, 2014 at 11:57 pm #5930
  
  Sunil Urs

  Daniel,

  Here is an intermediate build with the fix – allows updating all attributes. Please have a look and let me know if its working as expected.

  —
  Sunil Urs

  February 24, 2014 at 4:09 pm #5934
  
  Daniel Silva

  Hi,
  In the example I give is working great.
  Then I tried to send all options by json to PHP, alter the theme, return also by json, change the chart options,render the chart, and the theme is not altered.

  JS:

  var chart = new CanvasJS.Chart("content",
  {
  	theme: "theme1",
  	title:{
  		text: "Changing Theme"
  	},
  	data: [
  	{
  		type: "column",
  		dataPoints: [
  		{ x: 10, y: 71 },
  		{ x: 20, y: 55},
  		{ x: 30, y: 50 },
  		{ x: 40, y: 65 },
  		{ x: 50, y: 95 },
  		{ x: 60, y: 68 },
  		{ x: 70, y: 28 },
  		{ x: 80, y: 34 },
  		{ x: 90, y: 14}
  		]
  	}
  	]
  });
  chart.render();
  var json=JSON.stringify(chart);
  
  success = function(jsonObject) {
  	chart.options=JSON.parse(jsonObject.chartOptions);
  	chart.render();
  };
  jsonRequest(json,success);

  PHP:

  $s=json_decode ( $_REQUEST['json'] ,true);
  $s['options']['theme']="theme2";
  $response->chartOptions=json_encode ($s);

  Br,
  Daniel

  February 25, 2014 at 5:49 pm #5949
  
  Daniel Silva

  Is possible to change the options object by another or I have to change the attributes one by one?
  Thanks

  February 25, 2014 at 11:10 pm #5959
  
  Sunil Urs

  Daniel,

  By design it is not allowed to set the options object itself but you can change its attributes. But we’ll reconsider this for upcoming versions.

  —
  Sunil Urs

  February 25, 2014 at 11:45 pm #5960
  
  Daniel Silva

  Hi,

  An alternative for what I need is saving the original object used to create the chart, modify this object, destroy the old chart and creating a new chart with the new object.
  But that will increase memory in case of dashboards with many charts.

  Thanks

  February 28, 2014 at 1:27 am #5976
  
  Sunil Urs

  Daniel,

  We have decided to implement this feature. Am already half way through. You can expect this feature in a day or two.

  —
  Sunil Urs

  February 28, 2014 at 2:14 am #5977
  
  Sunil Urs

  Daniel,

  Here is an intermediate build with the above mentioned feature. Please have a look and let me know if its working as expected.

  —
  Sunil Urs

  February 28, 2014 at 2:48 pm #5997
  
  Daniel Silva

  It’s working great, many thanks.
  Unfortunately I had to stop the development of the reports because of another project, but I expect to buy and migrate all charts to CanvasJS in a few weeks.

  Br,
  Daniel

  February 28, 2014 at 3:28 pm #6000
  
  Sunil Urs

  Thats great.. Thanks for choosing us… :-)