KompicsModelEditor.java

/**
 * 
 */
package se.sics.kompics.ide.editor;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.draw2d.ConnectionLayer;
import org.eclipse.draw2d.ViewportAwareConnectionLayerClippingStrategy;
import org.eclipse.gef.DefaultEditDomain;
import org.eclipse.gef.LayerConstants;
import org.eclipse.gef.editparts.ScalableFreeformRootEditPart;
import org.eclipse.gef.editparts.ZoomManager;
import org.eclipse.gef.palette.PaletteRoot;
import org.eclipse.gef.ui.actions.ZoomInAction;
import org.eclipse.gef.ui.actions.ZoomOutAction;
import org.eclipse.gef.ui.parts.GraphicalEditorWithFlyoutPalette;
import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer;
import org.eclipse.jface.action.IAction;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.ui.actions.ActionFactory;

import se.sics.kompics.ide.Model;
import se.sics.kompics.ide.editor.part.KompicsPartFactory;
import se.sics.kompics.ide.editor.part.ModelPart;

/**
 * The <code>KompicsModelEditor</code> .
 * 
 * @author Lars Kroll <lkr@lars-kroll.com>
 * @version $Id: $
 * 
 */
public class KompicsModelEditor extends GraphicalEditorWithFlyoutPalette {

	/**
	 * The ID of the view as specified by the extension.
	 */
	public static final String ID = "se.sics.kompics.ide.editor.KompicsModelEditor";

	public KompicsModelEditor() {
		setEditDomain(new DefaultEditDomain(this));
	}

	@Override
	protected void initializeGraphicalViewer() {
		super.initializeGraphicalViewer();
		getGraphicalViewer().setContents(Model.eINSTANCE);
	}

	@Override
	protected void configureGraphicalViewer() {
		super.configureGraphicalViewer();
		ScrollingGraphicalViewer viewer = (ScrollingGraphicalViewer) getGraphicalViewer();
		
		
		ScalableFreeformRootEditPart root = new ScalableFreeformRootEditPart();

		// set clipping strategy for connection layer
		ConnectionLayer connectionLayer = (ConnectionLayer) root
				.getLayer(LayerConstants.CONNECTION_LAYER);
		connectionLayer.setClippingStrategy(new ViewportAwareConnectionLayerClippingStrategy(
				connectionLayer));
		
		List zoomLevels = new ArrayList(3);
		zoomLevels.add(ZoomManager.FIT_ALL);
		zoomLevels.add(ZoomManager.FIT_WIDTH);
		zoomLevels.add(ZoomManager.FIT_HEIGHT);
		root.getZoomManager().setZoomLevelContributions(zoomLevels);
		
		IAction zoomIn = new ZoomInAction(root.getZoomManager());
		IAction zoomOut = new ZoomOutAction(root.getZoomManager());
		getActionRegistry().registerAction(zoomIn);
		getActionRegistry().registerAction(zoomOut);
		
		viewer.setRootEditPart(root);
		viewer.setEditPartFactory(new KompicsPartFactory());
		
		Listener listener = new Listener() {
			public void handleEvent(Event event) {
				handleActivationChanged(event);
			}
		};
		getGraphicalControl().addListener(SWT.Activate, listener);
		getGraphicalControl().addListener(SWT.Deactivate, listener);
	}

	@Override
	protected PaletteRoot getPaletteRoot() {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public void doSave(IProgressMonitor monitor) {
		// TODO Auto-generated method stub

	}
	
	protected void handleActivationChanged(Event event) {
		IAction copy = null;
		if (event.type == SWT.Deactivate)
			copy = getActionRegistry().getAction(ActionFactory.COPY.getId());
		if (getEditorSite().getActionBars().getGlobalActionHandler(
				ActionFactory.COPY.getId()) != copy) {
			getEditorSite().getActionBars().setGlobalActionHandler(
					ActionFactory.COPY.getId(), copy);
			getEditorSite().getActionBars().updateActionBars();
		}
	}

}