diff options
Diffstat (limited to 'plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.menu/src/org/eclipse/papyrus/diagram/menu/actions/handlers/ArrangeHandler.java')
| -rw-r--r-- | plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.menu/src/org/eclipse/papyrus/diagram/menu/actions/handlers/ArrangeHandler.java | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.menu/src/org/eclipse/papyrus/diagram/menu/actions/handlers/ArrangeHandler.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.menu/src/org/eclipse/papyrus/diagram/menu/actions/handlers/ArrangeHandler.java new file mode 100644 index 00000000000..4b711af78bf --- /dev/null +++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.menu/src/org/eclipse/papyrus/diagram/menu/actions/handlers/ArrangeHandler.java @@ -0,0 +1,198 @@ +/*****************************************************************************
+ * Copyright (c) 2010 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:
+ * Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.diagram.menu.actions.handlers;
+
+import java.util.Iterator;
+import java.util.List;
+import java.util.ListIterator;
+
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.draw2d.Animation;
+import org.eclipse.gef.ConnectionEditPart;
+import org.eclipse.gef.EditPart;
+import org.eclipse.gef.commands.Command;
+import org.eclipse.gef.commands.UnexecutableCommand;
+import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
+import org.eclipse.gmf.runtime.diagram.ui.parts.DiagramCommandStack;
+import org.eclipse.gmf.runtime.diagram.ui.parts.IDiagramGraphicalViewer;
+import org.eclipse.gmf.runtime.diagram.ui.parts.IDiagramWorkbenchPart;
+import org.eclipse.gmf.runtime.diagram.ui.preferences.IPreferenceConstants;
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.papyrus.diagram.menu.actions.ArrangeAction;
+import org.eclipse.ui.IWorkbenchPart;
+
+/**
+ * Handler for the Arrange Action
+ *
+ *
+ *
+ */
+public class ArrangeHandler extends AbstractGraphicalCommandHandler {
+
+ /** id of the parameter for the ZOrderAction */
+ public static final String parameterID = "arrange_parameter"; //$NON-NLS-1$
+
+ /**
+ *
+ * Constructor.
+ *
+ * @param parameter
+ * parameter for the arrange action
+ */
+ public ArrangeHandler(String parameter) {
+ super(parameterID, parameter);
+ }
+
+ /**
+ *
+ * Constructor.
+ *
+ */
+ public ArrangeHandler() {
+ super(parameterID);
+ }
+
+ /**
+ *
+ * @see org.eclipse.papyrus.diagram.common.handlers.GraphicalCommandHandler#getCommand()
+ *
+ * @return
+ * @throws ExecutionException
+ */
+ @Override
+ protected Command getCommand() throws ExecutionException {
+ ArrangeAction action = new ArrangeAction(this.parameter, getSelectedElements());
+ Command cmd = action.getCommand();
+ return (cmd == null) ? UnexecutableCommand.INSTANCE : cmd;
+ }
+
+ /**
+ *
+ * @see org.eclipse.papyrus.diagram.menu.actions.handlers.AbstractGraphicalCommandHandler#execute(org.eclipse.core.commands.ExecutionEvent)
+ *
+ * @param event
+ * @return
+ * @throws ExecutionException
+ */
+ @Override
+ public Object execute(ExecutionEvent event) throws ExecutionException {
+ doRun(new NullProgressMonitor());
+ return null;
+ }
+
+ /**
+ * Execute the action with an animation
+ *
+ * @param progressMonitor
+ * the progress monitor
+ */
+ protected void doRun(IProgressMonitor progressMonitor) {
+ IPreferenceStore preferenceStore = (IPreferenceStore)getDiagramEditPart().getDiagramPreferencesHint().getPreferenceStore();
+ boolean animatedLayout = preferenceStore.getBoolean(IPreferenceConstants.PREF_ENABLE_ANIMATED_LAYOUT);
+
+ if(animatedLayout)
+ Animation.markBegin();
+
+ DiagramCommandStack stack = getDiagramCommandStack();
+ if(stack != null) {
+ try {
+ (stack).execute(getCommand(), progressMonitor);
+ } catch (ExecutionException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ } else {
+ return;
+ }
+
+ if(animatedLayout) {
+ int durationInc = 800;
+ int factor = 10;
+ int size = 0;
+
+ List operationSet = getSelectedElements();
+ if(ArrangeAction.ARRANGE_ALL.equals(parameter)) {
+ for(Iterator iter = operationSet.iterator(); iter.hasNext();) {
+ IGraphicalEditPart element = (IGraphicalEditPart)iter.next();
+ size += element.getFigure().getChildren().size();
+ }
+ } else if(operationSet != null && !operationSet.isEmpty()) {
+ IGraphicalEditPart container = (IGraphicalEditPart)getSelectionParent(operationSet);
+ size += container.getFigure().getChildren().size();
+ }
+
+ int totalDuration = Math.min(durationInc * factor / 2, Math.max(durationInc, (size / factor) * durationInc));
+
+ Animation.run(totalDuration);
+ }
+ }
+
+ /**
+ * getSelectionParent Utility to return the logical parent of the selection
+ * list
+ *
+ * @param editparts
+ * List to parse for a common parent.
+ * @return EditPart that is the parent or null if a common parent doesn't
+ * exist.
+ */
+ private EditPart getSelectionParent(List editparts) {
+ ListIterator li = editparts.listIterator();
+ while(li.hasNext()) {
+ Object obj = li.next();
+ if(!(obj instanceof ConnectionEditPart) && obj instanceof EditPart) {
+ return ((EditPart)obj).getParent();
+ }
+ }
+
+ return null;
+ }
+
+ /**
+ * A utility method to return the active <code>DiagramEditPart</code> if
+ * the current part implements <code>IDiagramWorkbenchPart</code>
+ *
+ * @return The current diagram if the parts implements <code>IDiagramWorkbenchPart</code>; <code>null</code> otherwise
+ */
+ @Override
+ protected IDiagramGraphicalViewer getDiagramGraphicalViewer() {
+ IDiagramWorkbenchPart part = getDiagramWorkbenchPart();
+ return part != null ? part.getDiagramGraphicalViewer() : null;
+ }
+
+ /**
+ * A utility method to return the active part if it implements
+ * or adapts to the <code>IDiagramWorkbenchPart</code> interface
+ *
+ * @return The current part if it implements or adapts to <code>IDiagramWorkbenchPart</code>; <code>null</code> otherwise
+ */
+ @Override
+ protected IDiagramWorkbenchPart getDiagramWorkbenchPart() {
+ IDiagramWorkbenchPart diagramPart = null;
+ IWorkbenchPart part = getWorkbenchPart();
+
+ if(part instanceof IDiagramWorkbenchPart) {
+ diagramPart = (IDiagramWorkbenchPart)part;
+
+ } else if(part != null) {
+ diagramPart = (IDiagramWorkbenchPart)part.getAdapter(IDiagramWorkbenchPart.class);
+ }
+
+ return diagramPart;
+ }
+
+}
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