plugins/org.eclipse.bpel.ui.noEmbeddedEditors/src/org/eclipse/bpel/ui/editparts/LeafEditPart.java - bpel/org.eclipse.bpel - Git at Google

 /*******************************************************************************
  * Copyright (c) 2005, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.bpel.ui.editparts;

 import org.eclipse.bpel.common.ui.markers.IModelMarkerConstants;
 import org.eclipse.bpel.ui.BPELUIPlugin;
 import org.eclipse.bpel.ui.IBPELUIConstants;
 import org.eclipse.bpel.ui.adapters.ILabeledElement;
 import org.eclipse.bpel.ui.adapters.IMarkerHolder;
 import org.eclipse.bpel.ui.editparts.borders.DrawerBorder;
 import org.eclipse.bpel.ui.editparts.borders.LeafBorder;
 import org.eclipse.bpel.ui.editparts.figures.GradientFigure;
 import org.eclipse.bpel.ui.editparts.policies.BPELSelectionEditPolicy;
 import org.eclipse.bpel.ui.editparts.util.BPELDecorationLayout;
 import org.eclipse.bpel.ui.figures.CenteredConnectionAnchor;
 import org.eclipse.bpel.ui.util.BPELUtil;
 import org.eclipse.bpel.ui.util.marker.BPELEditPartMarkerDecorator;
 import org.eclipse.core.resources.IMarker;
 import org.eclipse.draw2d.ConnectionAnchor;
 import org.eclipse.draw2d.FlowLayout;
 import org.eclipse.draw2d.IFigure;
 import org.eclipse.draw2d.Label;
 import org.eclipse.draw2d.PositionConstants;
 import org.eclipse.draw2d.geometry.Dimension;
 import org.eclipse.draw2d.geometry.Point;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.gef.EditPolicy;
 import org.eclipse.swt.graphics.Image;


 /**
  * This is the superclass of BPEL activities that are leaves. That is, activities
  * which don't contain other activities. Leaf activities currently are laid out
  * in a horizontal manner with icon and label, with a simple border surrounding.
  */
 public class LeafEditPart extends ActivityEditPart {

 	protected Image image, topImage, bottomImage;
 	protected Label imageLabel, nameLabel;
 	protected LeafBorder border;

 	// Marker support
 	protected IFigure contentFigure;
 	protected BPELEditPartMarkerDecorator editPartMarkerDecorator;

 	/**
 	 *
 	 * @author IBM
 	 * @author Michal Chmielewski (michal.chmielewski@oracle.com)
 	 * @date May 23, 2007
 	 *
 	 */
 	public static class LeafDecorationLayout extends BPELDecorationLayout {

 		@Override
 		protected Point calculateLocation(int locationHint, IFigure container, Dimension childDimension) {
 			Point result = super.calculateLocation(locationHint, container, childDimension);
 			// if it is somewhere on the left we need to add the drawer space
 			if ((locationHint & PositionConstants.LEFT) != 0) {
 				result.x += DrawerBorder.DRAWER_WIDTH;
 			}
 			// if it is somewhere on the right we need to remove the drawer space
 			if ((locationHint & PositionConstants.RIGHT) != 0) {
 				result.x -= DrawerBorder.DRAWER_WIDTH;
 			}
 			return result;
 		}
 	}


 	@Override
 	protected void createEditPolicies() {
 		super.createEditPolicies();

 		// Show the selection rectangle
 		installEditPolicy(EditPolicy.SELECTION_FEEDBACK_ROLE, new BPELSelectionEditPolicy(false, true) {
 			@Override
 			protected int getDrawerInset() {
 				return DrawerBorder.DRAWER_WIDTH;
 			}
 			@Override
 			protected int getWestInset() {
 				return DrawerBorder.DRAWER_WIDTH ;
 			}
 			@Override
 			protected int getEastInset() {
 				return DrawerBorder.DRAWER_WIDTH ;
 			}
 			@Override
 			protected int getNorthInset() {
 				return 0;
 			}
 			@Override
 			protected int getSouthInset() {
 				return 0;
 			}
 		});
 	}


 	@Override
 	protected IFigure createFigure() {
 		if (image == null) {
 			// Create the actual figure for the edit part
 			ILabeledElement element = BPELUtil.adapt(getActivity(), ILabeledElement.class);
 			image = element.getSmallImage(getActivity());
 		}
 		IFigure gradient = new GradientFigure(getModel());
 		FlowLayout layout = new FlowLayout();
 		layout.setMinorAlignment(FlowLayout.ALIGN_CENTER);
 		gradient.setLayoutManager(layout);

 		gradient.setForegroundColor(BPELUIPlugin.INSTANCE.getColorRegistry().get(IBPELUIConstants.COLOR_BLACK));

 		this.imageLabel = new Label(image);
 		gradient.add(imageLabel);
 		this.nameLabel = new Label(getLabel());
 		gradient.add(nameLabel);

 		this.contentFigure = gradient;

 		if (editPartMarkerDecorator == null) {
 			editPartMarkerDecorator = new BPELEditPartMarkerDecorator(
 				(EObject)getModel(),
 				new LeafDecorationLayout()
 			);
 			editPartMarkerDecorator.addMarkerMotionListener(getMarkerMotionListener());
 		}

 		IFigure result = editPartMarkerDecorator.createFigure(gradient);

 		this.border = new LeafBorder(editPartMarkerDecorator.getDecorationLayer());
 		this.border.setEditPart(this);
 		gradient.setBorder(border);
 		gradient.addMouseMotionListener(getMouseMotionListener());
 		refreshDrawerImages();
 		return result;
 	}

 	protected void refreshDrawerImages() {
 		if (topImage != null) {
 			topImage.dispose();
 			topImage = null;
 		}
 		if (bottomImage != null) {
 			bottomImage.dispose();
 			bottomImage = null;
 		}

 		IMarkerHolder holder = BPELUtil.adapt(getActivity(), IMarkerHolder.class);

 		int topMarkerPriority = Integer.MIN_VALUE;
 		int bottomMarkerPriority = Integer.MIN_VALUE;

 		IMarker topMarker = null;
 		IMarker bottomMarker = null;

 		for(IMarker marker : holder.getMarkers(getActivity()))  {

 			if (marker.getAttribute(IModelMarkerConstants.DECORATION_MARKER_VISIBLE_ATTR, true) == false) {
 				continue;
 			}

 			String value = marker.getAttribute(IModelMarkerConstants.DECORATION_GRAPHICAL_MARKER_ANCHOR_POINT_ATTR, EMPTY_STRING);

 			if (value.equals(IBPELUIConstants.MARKER_ANCHORPOINT_DRAWER_TOP)) {
 				int priority = marker.getAttribute(IModelMarkerConstants.DECORATION_MARKER_PRIORITY_ATTR, 0);
 				if (priority > topMarkerPriority) {
 					topMarkerPriority = priority;
 					topImage = BPELUtil.getImage(marker);
 					topMarker = marker;
 				}
 			} else if (value.equals(IBPELUIConstants.MARKER_ANCHORPOINT_DRAWER_BOTTOM)) {
 				int priority = marker.getAttribute(IModelMarkerConstants.DECORATION_MARKER_PRIORITY_ATTR, 0);
 				if (priority > bottomMarkerPriority) {
 					bottomMarkerPriority = priority;
 					bottomImage = BPELUtil.getImage(marker);
 					bottomMarker = marker;
 				}
 			}
 		}

 		border.setTopImage(topImage);
 		border.setBottomImage(bottomImage);
 		border.setTopMarker(topMarker);
 		border.setBottomMarker(bottomMarker);
 	}

 	/**
 	 * Overrides for direct edit
 	 */
 	@Override
 	public Label getLabelFigure() {
 		return nameLabel;
 	}

 	/**
 	 * @see org.eclipse.bpel.ui.editparts.BPELEditPart#getLabelContent()
 	 */
 	@Override
 	public String getLabelContent() {
 		return getLabel();
 	}


 	/**
 	 * @see org.eclipse.gef.editparts.AbstractEditPart#refreshVisuals()
 	 */
 	@Override
 	public void refreshVisuals() {
 		refreshDrawerImages();
 		super.refreshVisuals();
 		// The name has changed, change the corresponding label
 		nameLabel.setText(getLabel());
 		editPartMarkerDecorator.refresh();
 		// Force a repaint, as the drawer images may have changed.
 		getFigure().repaint();
 	}

 	protected String getLabel() {
 		ILabeledElement element = BPELUtil.adapt(getActivity(), ILabeledElement.class);
 		return element.getLabel(getActivity());
 	}


 	@Override
 	protected void unregisterVisuals() {
 		if (contentFigure != null) {
 			contentFigure.removeMouseMotionListener(getMouseMotionListener());
 		}
 		if (editPartMarkerDecorator != null) {
 			editPartMarkerDecorator.removeMarkerMotionListener(markerMotionListener);
 		}
 		this.image = null;
 		this.editPartMarkerDecorator = null;
 		this.topImage = null;
 		this.bottomImage = null;
 		super.unregisterVisuals();
 	}

 	// TODO: Why do we override this?
 //	/**
 //	 * Returns the connection anchor for the given
 //	 * ConnectionEditPart's source.
 //	 *
 //	 * @return  ConnectionAnchor.
 //	 */
 //	@Override
 //	public ConnectionAnchor getSourceConnectionAnchor(ConnectionEditPart connEditPart) {
 //		// This may be called when the model is disconnected. If so, return null.
 //		if (getActivity().eResource() == null) return null;
 //
 //		// Leaf nodes can be the source of both implicit and link connections.
 //		// However, they both anchor at the same part of the edit part.
 //		return new CenteredConnectionAnchor(getMainActivityFigure(), CenteredConnectionAnchor.BOTTOM, 0);
 //	}
 //
 //
 //
 //	/**
 //	 * Returns the connection anchor for the given
 //	 * ConnectionEditPart's target.
 //	 *
 //	 * @return  ConnectionAnchor.
 //	 */
 //	@Override
 //	public ConnectionAnchor getTargetConnectionAnchor(ConnectionEditPart connEditPart) {
 //		// This may be called when the model is disconnected. If so, return null.
 //		if (getActivity().eResource() == null) {
 //			return null;
 //		}
 //
 //		ConnectionAnchor anc = null;
 //
 //		// Leaf nodes can be the target of both implicit and link connections.
 //		// However, they both anchor at the same part of the edit part.
 //		if (anc == null)
 //			anc = new CenteredConnectionAnchor(getMainActivityFigure(), CenteredConnectionAnchor.TOP, 0);
 //		return anc;
 //	}
 	@Override
 	public ConnectionAnchor getConnectionAnchor(int location) {
 		switch(location){
 		case CenteredConnectionAnchor.LEFT:
 			return new CenteredConnectionAnchor(getFigure(), CenteredConnectionAnchor.LEFT_INNER, 0);
 		case CenteredConnectionAnchor.RIGHT:
 			return new CenteredConnectionAnchor(getFigure(), CenteredConnectionAnchor.RIGHT_INNER, 0);
 		default:
 				return super.getConnectionAnchor(location);
 		}
 	}


 	/**
 	 * @see org.eclipse.gef.editparts.AbstractGraphicalEditPart#getContentPane()
 	 */

 	@Override
 	public IFigure getContentPane() {
 		return contentFigure;
 	}


 	@Override
 	protected DrawerBorder getDrawerBorder() {
 		return border;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2005, 2012 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.bpel.ui.editparts;

	import org.eclipse.bpel.common.ui.markers.IModelMarkerConstants;
	import org.eclipse.bpel.ui.BPELUIPlugin;
	import org.eclipse.bpel.ui.IBPELUIConstants;
	import org.eclipse.bpel.ui.adapters.ILabeledElement;
	import org.eclipse.bpel.ui.adapters.IMarkerHolder;
	import org.eclipse.bpel.ui.editparts.borders.DrawerBorder;
	import org.eclipse.bpel.ui.editparts.borders.LeafBorder;
	import org.eclipse.bpel.ui.editparts.figures.GradientFigure;
	import org.eclipse.bpel.ui.editparts.policies.BPELSelectionEditPolicy;
	import org.eclipse.bpel.ui.editparts.util.BPELDecorationLayout;
	import org.eclipse.bpel.ui.figures.CenteredConnectionAnchor;
	import org.eclipse.bpel.ui.util.BPELUtil;
	import org.eclipse.bpel.ui.util.marker.BPELEditPartMarkerDecorator;
	import org.eclipse.core.resources.IMarker;
	import org.eclipse.draw2d.ConnectionAnchor;
	import org.eclipse.draw2d.FlowLayout;
	import org.eclipse.draw2d.IFigure;
	import org.eclipse.draw2d.Label;
	import org.eclipse.draw2d.PositionConstants;
	import org.eclipse.draw2d.geometry.Dimension;
	import org.eclipse.draw2d.geometry.Point;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.gef.EditPolicy;
	import org.eclipse.swt.graphics.Image;


	/**
	* This is the superclass of BPEL activities that are leaves. That is, activities
	* which don't contain other activities. Leaf activities currently are laid out
	* in a horizontal manner with icon and label, with a simple border surrounding.
	*/
	public class LeafEditPart extends ActivityEditPart {

	protected Image image, topImage, bottomImage;
	protected Label imageLabel, nameLabel;
	protected LeafBorder border;

	// Marker support
	protected IFigure contentFigure;
	protected BPELEditPartMarkerDecorator editPartMarkerDecorator;

	/**
	*
	* @author IBM
	* @author Michal Chmielewski (michal.chmielewski@oracle.com)
	* @date May 23, 2007
	*
	*/
	public static class LeafDecorationLayout extends BPELDecorationLayout {

	@Override
	protected Point calculateLocation(int locationHint, IFigure container, Dimension childDimension) {
	Point result = super.calculateLocation(locationHint, container, childDimension);
	// if it is somewhere on the left we need to add the drawer space
	if ((locationHint & PositionConstants.LEFT) != 0) {
	result.x += DrawerBorder.DRAWER_WIDTH;
	}
	// if it is somewhere on the right we need to remove the drawer space
	if ((locationHint & PositionConstants.RIGHT) != 0) {
	result.x -= DrawerBorder.DRAWER_WIDTH;
	}
	return result;
	}
	}


	@Override
	protected void createEditPolicies() {
	super.createEditPolicies();

	// Show the selection rectangle
	installEditPolicy(EditPolicy.SELECTION_FEEDBACK_ROLE, new BPELSelectionEditPolicy(false, true) {
	@Override
	protected int getDrawerInset() {
	return DrawerBorder.DRAWER_WIDTH;
	}
	@Override
	protected int getWestInset() {
	return DrawerBorder.DRAWER_WIDTH ;
	}
	@Override
	protected int getEastInset() {
	return DrawerBorder.DRAWER_WIDTH ;
	}
	@Override
	protected int getNorthInset() {
	return 0;
	}
	@Override
	protected int getSouthInset() {
	return 0;
	}
	});
	}


	@Override
	protected IFigure createFigure() {
	if (image == null) {
	// Create the actual figure for the edit part
	ILabeledElement element = BPELUtil.adapt(getActivity(), ILabeledElement.class);
	image = element.getSmallImage(getActivity());
	}
	IFigure gradient = new GradientFigure(getModel());
	FlowLayout layout = new FlowLayout();
	layout.setMinorAlignment(FlowLayout.ALIGN_CENTER);
	gradient.setLayoutManager(layout);

	gradient.setForegroundColor(BPELUIPlugin.INSTANCE.getColorRegistry().get(IBPELUIConstants.COLOR_BLACK));

	this.imageLabel = new Label(image);
	gradient.add(imageLabel);
	this.nameLabel = new Label(getLabel());
	gradient.add(nameLabel);

	this.contentFigure = gradient;

	if (editPartMarkerDecorator == null) {
	editPartMarkerDecorator = new BPELEditPartMarkerDecorator(
	(EObject)getModel(),
	new LeafDecorationLayout()
	);
	editPartMarkerDecorator.addMarkerMotionListener(getMarkerMotionListener());
	}

	IFigure result = editPartMarkerDecorator.createFigure(gradient);

	this.border = new LeafBorder(editPartMarkerDecorator.getDecorationLayer());
	this.border.setEditPart(this);
	gradient.setBorder(border);
	gradient.addMouseMotionListener(getMouseMotionListener());
	refreshDrawerImages();
	return result;
	}

	protected void refreshDrawerImages() {
	if (topImage != null) {
	topImage.dispose();
	topImage = null;
	}
	if (bottomImage != null) {
	bottomImage.dispose();
	bottomImage = null;
	}

	IMarkerHolder holder = BPELUtil.adapt(getActivity(), IMarkerHolder.class);

	int topMarkerPriority = Integer.MIN_VALUE;
	int bottomMarkerPriority = Integer.MIN_VALUE;

	IMarker topMarker = null;
	IMarker bottomMarker = null;

	for(IMarker marker : holder.getMarkers(getActivity())) {

	if (marker.getAttribute(IModelMarkerConstants.DECORATION_MARKER_VISIBLE_ATTR, true) == false) {
	continue;
	}

	String value = marker.getAttribute(IModelMarkerConstants.DECORATION_GRAPHICAL_MARKER_ANCHOR_POINT_ATTR, EMPTY_STRING);

	if (value.equals(IBPELUIConstants.MARKER_ANCHORPOINT_DRAWER_TOP)) {
	int priority = marker.getAttribute(IModelMarkerConstants.DECORATION_MARKER_PRIORITY_ATTR, 0);
	if (priority > topMarkerPriority) {
	topMarkerPriority = priority;
	topImage = BPELUtil.getImage(marker);
	topMarker = marker;
	}
	} else if (value.equals(IBPELUIConstants.MARKER_ANCHORPOINT_DRAWER_BOTTOM)) {
	int priority = marker.getAttribute(IModelMarkerConstants.DECORATION_MARKER_PRIORITY_ATTR, 0);
	if (priority > bottomMarkerPriority) {
	bottomMarkerPriority = priority;
	bottomImage = BPELUtil.getImage(marker);
	bottomMarker = marker;
	}
	}
	}

	border.setTopImage(topImage);
	border.setBottomImage(bottomImage);
	border.setTopMarker(topMarker);
	border.setBottomMarker(bottomMarker);
	}

	/**
	* Overrides for direct edit
	*/
	@Override
	public Label getLabelFigure() {
	return nameLabel;
	}

	/**
	* @see org.eclipse.bpel.ui.editparts.BPELEditPart#getLabelContent()
	*/
	@Override
	public String getLabelContent() {
	return getLabel();
	}


	/**
	* @see org.eclipse.gef.editparts.AbstractEditPart#refreshVisuals()
	*/
	@Override
	public void refreshVisuals() {
	refreshDrawerImages();
	super.refreshVisuals();
	// The name has changed, change the corresponding label
	nameLabel.setText(getLabel());
	editPartMarkerDecorator.refresh();
	// Force a repaint, as the drawer images may have changed.
	getFigure().repaint();
	}

	protected String getLabel() {
	ILabeledElement element = BPELUtil.adapt(getActivity(), ILabeledElement.class);
	return element.getLabel(getActivity());
	}


	@Override
	protected void unregisterVisuals() {
	if (contentFigure != null) {
	contentFigure.removeMouseMotionListener(getMouseMotionListener());
	}
	if (editPartMarkerDecorator != null) {
	editPartMarkerDecorator.removeMarkerMotionListener(markerMotionListener);
	}
	this.image = null;
	this.editPartMarkerDecorator = null;
	this.topImage = null;
	this.bottomImage = null;
	super.unregisterVisuals();
	}

	// TODO: Why do we override this?
	// /**
	// * Returns the connection anchor for the given
	// * ConnectionEditPart's source.
	// *
	// * @return ConnectionAnchor.
	// */
	// @Override
	// public ConnectionAnchor getSourceConnectionAnchor(ConnectionEditPart connEditPart) {
	// // This may be called when the model is disconnected. If so, return null.
	// if (getActivity().eResource() == null) return null;
	//
	// // Leaf nodes can be the source of both implicit and link connections.
	// // However, they both anchor at the same part of the edit part.
	// return new CenteredConnectionAnchor(getMainActivityFigure(), CenteredConnectionAnchor.BOTTOM, 0);
	// }
	//
	//
	//
	// /**
	// * Returns the connection anchor for the given
	// * ConnectionEditPart's target.
	// *
	// * @return ConnectionAnchor.
	// */
	// @Override
	// public ConnectionAnchor getTargetConnectionAnchor(ConnectionEditPart connEditPart) {
	// // This may be called when the model is disconnected. If so, return null.
	// if (getActivity().eResource() == null) {
	// return null;
	// }
	//
	// ConnectionAnchor anc = null;
	//
	// // Leaf nodes can be the target of both implicit and link connections.
	// // However, they both anchor at the same part of the edit part.
	// if (anc == null)
	// anc = new CenteredConnectionAnchor(getMainActivityFigure(), CenteredConnectionAnchor.TOP, 0);
	// return anc;
	// }
	@Override
	public ConnectionAnchor getConnectionAnchor(int location) {
	switch(location){
	case CenteredConnectionAnchor.LEFT:
	return new CenteredConnectionAnchor(getFigure(), CenteredConnectionAnchor.LEFT_INNER, 0);
	case CenteredConnectionAnchor.RIGHT:
	return new CenteredConnectionAnchor(getFigure(), CenteredConnectionAnchor.RIGHT_INNER, 0);
	default:
	return super.getConnectionAnchor(location);
	}
	}


	/**
	* @see org.eclipse.gef.editparts.AbstractGraphicalEditPart#getContentPane()
	*/

	@Override
	public IFigure getContentPane() {
	return contentFigure;
	}


	@Override
	protected DrawerBorder getDrawerBorder() {
	return border;
	}
	}