SampleWidgetComponent.java

#set( $symbol_pound = '#' )
#set( $symbol_dollar = '$' )
#set( $symbol_escape = '\' )
package ${package};

import com.vaadin.annotations.AutoGenerated;
import com.vaadin.ui.AbsoluteLayout;
import com.vaadin.ui.CustomComponent;

/**
 * 
 * This class is responsible for widget's layout and is automatically updated by
 * Vaadin Visual Designer. It is intended to be used as anonymous class in main
 * logic class of the widget - this allows to separate logic from ${artifactId}'s
 * layout.
 * 
 * Do not add any not-gui-related logic here.
 * 
 */
public abstract class SampleWidgetComponent extends CustomComponent {

	@AutoGenerated
	private AbsoluteLayout mainLayout;

	/**
	 * The constructor should first build the main layout, set the composition
	 * root and then do any custom initialization.
	 * 
	 * The constructor will not be automatically regenerated by the visual
	 * editor.
	 */
	public SampleWidgetComponent() {
		buildMainLayout();
		setCompositionRoot(mainLayout);

		loadData();
	}

	@AutoGenerated
	private void buildMainLayout() {
		// the main layout and components will be created here
		mainLayout = new AbsoluteLayout();
	}

	/**
	 * Method called in constructor after layout is created. Implementation
	 * should configure and describe behavior of ${artifactId}'s components .
	 * 
	 * Please note: in order to access class fields from anonymous implementation, you have to add
	 * getters or set those fields modifier as 'protected'.
	 */
	protected abstract void loadData();

}