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-rw-r--r--plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/commands/DeferredSnapToGridCommand.java247
-rw-r--r--plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/snap/NodeSnapHelper.java6
2 files changed, 250 insertions, 3 deletions
diff --git a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/commands/DeferredSnapToGridCommand.java b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/commands/DeferredSnapToGridCommand.java
new file mode 100644
index 00000000000..ad47a39aad6
--- /dev/null
+++ b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/commands/DeferredSnapToGridCommand.java
@@ -0,0 +1,247 @@
+/*****************************************************************************
+ * Copyright (c) 2011 CEA LIST.
+ *
+ * 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:
+ *
+ * CEALIST - Initial API and implementation (Adapted code from DeferredLayoutCommand)
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.gmfdiag.common.commands;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.draw2d.IFigure;
+import org.eclipse.draw2d.geometry.PrecisionRectangle;
+import org.eclipse.emf.transaction.RunnableWithResult;
+import org.eclipse.emf.transaction.TransactionalEditingDomain;
+import org.eclipse.emf.workspace.util.WorkspaceSynchronizer;
+import org.eclipse.gef.SnapToHelper;
+import org.eclipse.gef.commands.CompoundCommand;
+import org.eclipse.gef.requests.ChangeBoundsRequest;
+import org.eclipse.gmf.runtime.common.core.command.CommandResult;
+import org.eclipse.gmf.runtime.diagram.ui.editparts.BorderedBorderItemEditPart;
+import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart;
+import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
+import org.eclipse.gmf.runtime.diagram.ui.util.EditPartUtil;
+import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand;
+import org.eclipse.gmf.runtime.notation.View;
+import org.eclipse.papyrus.infra.gmfdiag.common.snap.BorderNodeSnapHelper;
+import org.eclipse.papyrus.infra.gmfdiag.common.snap.NodeSnapHelper;
+
+/**
+ * This command is used to snap editparts on the grid, when only the view
+ * adapters are available at the time of creating the command. It is necessary
+ * to have the editparts when creating a snap command so this command defers
+ * the creation of the layout command until execution time at which point it can
+ * get the editparts from the editpart registry using the view adapters.
+ *
+ * @author vlorenzo
+ */
+//TODO : creation from the palette should use me
+//TODO : move action could use me???
+public class DeferredSnapToGridCommand extends AbstractTransactionalCommand {
+
+ /** the IAdaptables from which an View can be retrieved */
+ protected List<?> viewAdapters;
+
+ /** the diagram editpart used to get the editpart registry */
+ protected IGraphicalEditPart containerEP;
+
+ /**
+ * Constructor for <code>DefferedSnapToGridCommand</code>.
+ *
+ * @param editingDomain
+ * the editing domain through which model changes are made
+ * @param viewAdapters
+ * the IAdaptables from which an IView can be retrieved
+ * @param containerEP
+ * the container editpart used to get the editpart registry
+ */
+ public DeferredSnapToGridCommand(TransactionalEditingDomain editingDomain, List<?> viewAdapters, IGraphicalEditPart containerEP) {
+ super(editingDomain, "Deferred Snap to grid command", null); //$NON-NLS-1$
+ this.viewAdapters = viewAdapters;
+ this.containerEP = containerEP;
+ }
+
+ /**
+ *
+ * @see org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand#getAffectedFiles()
+ *
+ * @return
+ */
+ @SuppressWarnings("rawtypes")
+ public List getAffectedFiles() {
+ if(containerEP != null) {
+ View view = (View)containerEP.getModel();
+ if(view != null) {
+ IFile f = WorkspaceSynchronizer.getFile(view.eResource());
+ return f != null ? Collections.singletonList(f) : Collections.EMPTY_LIST;
+ }
+ }
+ return super.getAffectedFiles();
+ }
+
+ /**
+ * Executes a layout command with all the editparts for the view adapters.
+ *
+ */
+ protected CommandResult doExecuteWithResult(IProgressMonitor progressMonitor, IAdaptable info) throws ExecutionException {
+
+ final RunnableWithResult<List<IGraphicalEditPart>> refreshRunnable = new RunnableWithResult<List<IGraphicalEditPart>>() {
+
+ private IStatus status;
+
+ private List<IGraphicalEditPart> result;
+
+ public List<IGraphicalEditPart> getResult() {
+ return result;
+ }
+
+ public void setStatus(IStatus status) {
+ this.status = status;
+ }
+
+ public IStatus getStatus() {
+ return status;
+ }
+
+ public void run() {
+ containerEP.refresh();
+
+ // The layout command requires that the figure world is updated.
+ getContainerFigure().invalidate();
+ getContainerFigure().validate();
+
+ List<IGraphicalEditPart> editParts = new ArrayList<IGraphicalEditPart>(viewAdapters.size());
+ Map<?, ?> epRegistry = containerEP.getRoot().getViewer().getEditPartRegistry();
+ for(Iterator<?> iter = viewAdapters.iterator(); iter.hasNext();) {
+ IAdaptable ad = (IAdaptable)iter.next();
+ View view = (View)ad.getAdapter(View.class);
+ Object ep = epRegistry.get(view);
+ if(ep instanceof IGraphicalEditPart) {
+ editParts.add((IGraphicalEditPart)ep);
+ }
+ }
+
+ if(editParts.isEmpty()) {
+ result = editParts;
+ return;
+ }
+
+ //probably useless
+ // Set<IGraphicalEditPart> layoutSet = new HashSet<IGraphicalEditPart>(editParts.size());
+ // layoutSet.addAll(editParts);
+ //
+ // // refresh source and target connections of any shapes in the container not being considered for layout
+ // Iterator<?> iter = containerEP.getChildren().iterator();
+ // while(iter.hasNext()) {
+ // Object obj = iter.next();
+ // if(!layoutSet.contains(obj) && obj instanceof IGraphicalEditPart) {
+ // IGraphicalEditPart ep = (IGraphicalEditPart)obj;
+ // ep.refresh();
+ // }
+ // }
+
+ result = editParts;
+ }
+ };
+
+ EditPartUtil.synchronizeRunnableToMainThread(containerEP, refreshRunnable);
+ List<IGraphicalEditPart> editParts = refreshRunnable.getResult();
+ if(editParts == null || editParts.isEmpty()) {
+ return CommandResult.newOKCommandResult();
+ }
+
+ // add an arrange command, to layout the related shapes
+ CompoundCommand cc = new CompoundCommand("Snap Command"); //$NON-NLS-1$
+ for(final IGraphicalEditPart current : editParts) {
+ final SnapToHelper snapHelper = (SnapToHelper)((IAdaptable)current).getAdapter(SnapToHelper.class);
+ final NodeSnapHelper nodeSnapHelper;
+ final PrecisionRectangle boundsFigure = new PrecisionRectangle(((GraphicalEditPart)current).getFigure().getBounds());
+ current.getFigure().translateToAbsolute(boundsFigure);
+ final PrecisionRectangle result = new PrecisionRectangle(boundsFigure);
+ if(current instanceof BorderedBorderItemEditPart) {
+ nodeSnapHelper = new BorderNodeSnapHelper(snapHelper, boundsFigure);
+ } else {
+ nodeSnapHelper = new NodeSnapHelper(snapHelper, boundsFigure);
+ }
+ ChangeBoundsRequest request = new ChangeBoundsRequest("move"); //$NON-NLS-1$
+ request.setEditParts(Collections.singletonList(current));
+ request.setSnapToEnabled(true);
+ request.setLocation(boundsFigure.getLocation());
+ nodeSnapHelper.snapPoint(request);
+ request.setLocation(result.getLocation());
+ cc.add(((GraphicalEditPart)current).getCommand(request));
+ }
+
+
+ if(!cc.isEmpty() && cc.canExecute()) {
+ cc.execute();
+ }
+ return CommandResult.newOKCommandResult();
+ }
+
+ /**
+ *
+ * @see org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand#cleanup()
+ *
+ */
+ protected void cleanup() {
+ containerEP = null;//for garbage collection
+ viewAdapters = null;
+ super.cleanup();
+ }
+
+ /**
+ * gets the container edit part's figure
+ *
+ * @return the container figure
+ */
+ protected IFigure getContainerFigure() {
+ return containerEP.getFigure();
+ }
+
+ /**
+ * gets the container edit part
+ *
+ * @return the container edit part
+ */
+ protected IGraphicalEditPart getContainerEP() {
+ return containerEP;
+ }
+
+ /**
+ * gets a list of <code>IAdaptable</code> that can adapt to <code>
+ * View</code>
+ *
+ * @return view adapters
+ */
+ protected List<?> getViewAdapters() {
+ return viewAdapters;
+ }
+
+ /**
+ *
+ * @see org.eclipse.core.commands.operations.AbstractOperation#canExecute()
+ *
+ * @return
+ */
+ @Override
+ public boolean canExecute() {
+ return super.canExecute() && containerEP != null;
+ }
+}
diff --git a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/snap/NodeSnapHelper.java b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/snap/NodeSnapHelper.java
index 329b6229324..25bfe373d68 100644
--- a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/snap/NodeSnapHelper.java
+++ b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.common/src/org/eclipse/papyrus/infra/gmfdiag/common/snap/NodeSnapHelper.java
@@ -330,9 +330,9 @@ public class NodeSnapHelper {
final Point ref = baseRectTopLeft.getTopLeft();
distVSPoints.put(distance(ref, topLeftCornerDelta), topLeftCornerDelta);
- distVSPoints.put(distance(ref, topRightCornerDelta), topRightCornerDelta);
- distVSPoints.put(distance(ref, bottomLeftCornerDelta), bottomLeftCornerDelta);
- distVSPoints.put(distance(ref, bottomRightCornerDelta), bottomRightCornerDelta);
+ // distVSPoints.put(distance(ref, topRightCornerDelta), topRightCornerDelta);
+ // distVSPoints.put(distance(ref, bottomLeftCornerDelta), bottomLeftCornerDelta);
+ // distVSPoints.put(distance(ref, bottomRightCornerDelta), bottomRightCornerDelta);
}
return distVSPoints;
}

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