Tabbox Renderer

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Since 7.0.0 Here we describe how to implement a custom renderer for a tabbox (TabboxRenderer). For the concepts about component, model and renderer, please refer to the Model-driven Display section.

When a tabbox (Tabbox) is assigned with a model, a default renderer is assigned too. The default renderer will assume that each tab has only one tabpanel, and it converts the data into a string directly[1]. If you want to display a rich tabpanel or retrieve a particular field of the data, you have to implement TabboxRenderer to handle the rendering.

For example,

public class MyRenderer implements TabboxRenderer{
	public void renderTab(Tab tab, Object data, int index) {
		tab.setLabel("New -- " + data);
	public void renderTabpanel(Tabpanel tabpanel, Object data, int index) {
		tabpanel.appendChild(new Label("New -- " + data));

  1. If the tabbox is assigned a template called model:tab and model:tabpanel, then the template will be used to render the tabbox. For more information, please refer to the Tabbox Template section.

Version History

Last Update : 2022/01/14

Version Date Content
7.0.0 November 2013 Tabbox support ListModel

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