Layout

The layout component enables the padding configuration to add to a chart.

The layout configuration is nested in the configuration using

// get layout
Layout layout = chart.getOptions().getLayout();
// get padding
Padding padding = chart.getOptions().getLayout().getPadding();

// sets top and bottom options to padding of chart
chart.getOptions().getLayout().getPadding().setTop(10);
chart.getOptions().getLayout().getPadding().setBottom(10);
// to set same padding value to all sides of the chart
chart.getOptions().getLayout().getPadding().set(10);

int paddingTop = chart.getOptions().getLayout().getPadding().getTop();

See padding documentation for more details.

Scriptable

Padding also accepts a callback which is called at runtime and that takes the context as single argument, see here the details, which is representing contextual information and chart instance.

The padding element can be set as a callback, providing a padding item instance, as following:

// get layout
Layout layout = chart.getOptions().getLayout();
// sets callback
layout.setPadding(new PaddingCallback<ChartContext>(){

   @Override
   public PaddingItem invoke(ChartContext context){
      PaddingItem padding = new PaddingItem(); 
      // your logic
      return padding;
   }
});

The following option can be set by a callback:

Name	Callback	Returned types
padding	PaddingCallback<ChartContext>	PaddingItem