ToggleBoundsDisplayHandler.java

package org.goko.tools.viewer.jogl.command;

import org.eclipse.e4.core.contexts.IEclipseContext;
import org.eclipse.e4.core.di.annotations.CanExecute;
import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.e4.ui.model.application.ui.menu.MHandledToolItem;
import org.goko.core.common.exception.GkException;
import org.goko.tools.viewer.jogl.model.GCodeViewer3DController;

/**
 * Handler for the ToolItem of the GCode viewer part allowing to enable/disable the bounds
 *
 * @author Psyko
 */
public class ToggleBoundsDisplayHandler {

	@CanExecute
	public boolean canExecute(MHandledToolItem item, GCodeViewer3DController controller){
		item.setSelected(controller.getDataModel().isShowBounds());
		return true;
	}

	@Execute
	public void execute(MHandledToolItem item, IEclipseContext context, GCodeViewer3DController controller) throws GkException{
		boolean newState = !controller.getDataModel().isShowBounds();
		controller.setDisplayBounds(newState);
		item.setSelected(newState);
	}
}