| /******************************************************************************* |
| * 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.util.marker; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.bpel.common.ui.decorator.EditPartMarkerDecorator; |
| import org.eclipse.bpel.common.ui.decorator.IMarkerConstants; |
| 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.IMarkerHolder; |
| import org.eclipse.bpel.ui.editparts.util.BPELDecorationLayout; |
| import org.eclipse.bpel.ui.util.BPELUtil; |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.draw2d.Layer; |
| import org.eclipse.emf.ecore.EObject; |
| |
| |
| /** |
| * |
| * @author IBM |
| * @date May 23, 2007 |
| * |
| */ |
| public class BPELEditPartMarkerDecorator extends EditPartMarkerDecorator { |
| |
| protected List<MarkerMotionListener> listeners = new ArrayList<MarkerMotionListener>(); |
| |
| /** |
| * Marker Motion Listener. |
| * @author IBM |
| * @date May 23, 2007 |
| */ |
| |
| public interface MarkerMotionListener { |
| /** |
| * Marker has been entered ... |
| * @param marker |
| */ |
| |
| public void markerEntered(IMarker marker); |
| } |
| |
| /** |
| * Brand new shiny BPELEditPartMarkerDecorator ... |
| * |
| * @param aModelObject the model object |
| * @param decorationLayout |
| */ |
| public BPELEditPartMarkerDecorator (EObject aModelObject, BPELDecorationLayout decorationLayout) { |
| |
| super(aModelObject, null, decorationLayout); |
| |
| decorationLayout.addAnchorMotionListener(new BPELDecorationLayout.AnchorMotionListener() { |
| |
| public void anchorEntered(int position) { |
| // Look up the marker for the anchor and fire the listeners |
| for(IMarker marker : getMarkers()) { |
| Object constraint = getConstraint(marker); |
| if (constraint instanceof Integer) { |
| int value = ((Integer)constraint).intValue(); |
| if (value == position) { |
| fireMarkerMotionListeners(marker); |
| return; |
| } |
| } |
| } |
| } |
| }); |
| } |
| |
| |
| @Override |
| protected IMarker[] getMarkers () { |
| |
| IMarkerHolder holder = BPELUtil.adapt(modelObject, IMarkerHolder.class); |
| |
| if (holder != null) { |
| return holder.getMarkers(modelObject); |
| } |
| |
| return super.getMarkers(); |
| } |
| |
| /** |
| * Add marker motion listener. |
| * |
| * @param listener |
| */ |
| |
| public void addMarkerMotionListener(MarkerMotionListener listener) { |
| listeners.add(listener); |
| } |
| |
| /** |
| * Remove marker motion listener. |
| * @param listener |
| */ |
| |
| public void removeMarkerMotionListener(MarkerMotionListener listener) { |
| listeners.remove(listener); |
| } |
| |
| protected void fireMarkerMotionListeners(IMarker marker) { |
| for(MarkerMotionListener listener : listeners) { |
| listener.markerEntered(marker); |
| } |
| } |
| |
| /** |
| * Return the decoration layer. |
| * |
| * @return return the decoration layer. |
| */ |
| |
| public Layer getDecorationLayer() { |
| if(decorationLayer == null) { |
| decorationLayer = new Layer(); |
| } |
| return decorationLayer; |
| } |
| |
| |
| @Override |
| protected boolean isAcceptable (IMarker marker) { |
| boolean isVisible = marker.getAttribute(IModelMarkerConstants.DECORATION_MARKER_VISIBLE_ATTR, true); |
| if (!isVisible) { |
| return false; |
| } |
| |
| // If the marker isn't for this decorator, skip it. |
| String anchorString = marker.getAttribute(IModelMarkerConstants.DECORATION_GRAPHICAL_MARKER_ANCHOR_POINT_ATTR, ""); //$NON-NLS-1$ |
| if (anchorString.equals(IBPELUIConstants.MARKER_ANCHORPOINT_DRAWER_BOTTOM) |
| || anchorString.equals(IBPELUIConstants.MARKER_ANCHORPOINT_DRAWER_TOP)) { |
| return false; |
| } |
| |
| return super.isAcceptable(marker); |
| } |
| |
| |
| @Override |
| protected Object getConstraint(IMarker marker) { |
| try { |
| // problem markers are always placed in the top left |
| if (marker.isSubtypeOf(IMarker.PROBLEM)) { |
| return IMarkerConstants.BOTTOM_LEFT; |
| } |
| } catch (CoreException e) { |
| BPELUIPlugin.log(e); |
| } |
| return super.getConstraint(marker); |
| } |
| |
| |
| @Override |
| protected Object convertAnchorKeyToConstraint(String key) { |
| if (key.equals(IBPELUIConstants.MARKER_ANCHORPOINT_DRAWER_TOP)) { |
| return Integer.valueOf( 64 ); |
| } |
| if (key.equals(IBPELUIConstants.MARKER_ANCHORPOINT_DRAWER_BOTTOM)) { |
| return Integer.valueOf( 128 ); |
| } |
| return super.convertAnchorKeyToConstraint(key); |
| } |
| } |