| /****************************************************************************** |
| * Copyright (c) 2004, 2008 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.gmf.runtime.diagram.ui.actions; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.emf.transaction.RunnableWithResult; |
| import org.eclipse.emf.transaction.TransactionalEditingDomain; |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.gmf.runtime.common.core.util.Log; |
| import org.eclipse.gmf.runtime.common.core.util.Trace; |
| import org.eclipse.gmf.runtime.diagram.ui.actions.internal.DiagramActionsDebugOptions; |
| import org.eclipse.gmf.runtime.diagram.ui.actions.internal.DiagramActionsPlugin; |
| import org.eclipse.gmf.runtime.diagram.ui.actions.internal.DiagramActionsStatusCodes; |
| import org.eclipse.gmf.runtime.diagram.ui.actions.internal.l10n.DiagramUIActionsMessages; |
| import org.eclipse.gmf.runtime.diagram.ui.editparts.ConnectionNodeEditPart; |
| import org.eclipse.gmf.runtime.emf.core.util.PackageUtil; |
| import org.eclipse.gmf.runtime.notation.NotationPackage; |
| import org.eclipse.ui.IWorkbenchPage; |
| |
| /** |
| * @author mboos |
| * |
| * An action that toggles between showing and hiding labels on connections and |
| * diagrams. |
| */ |
| public abstract class IndividualConnectionLabelAction |
| extends BooleanPropertyAction { |
| |
| private final String[] labelSemanticHints; |
| |
| /** |
| * Constructor |
| * |
| * @param workbenchPage |
| * the active workbenchPage |
| * @param labelSemanticHints |
| * the semantic hints to use to figure out the target edit parts |
| * for this action |
| */ |
| protected IndividualConnectionLabelAction(IWorkbenchPage workbenchPage, |
| String[] labelSemanticHints) { |
| super( |
| workbenchPage, |
| PackageUtil.getID(NotationPackage.eINSTANCE.getView_Visible()), |
| DiagramUIActionsMessages.ConstrainedFlowLayoutEditPolicy_changeVisibilityCommand_label); |
| Assert.isNotNull(labelSemanticHints); |
| this.labelSemanticHints = labelSemanticHints; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.gmf.runtime.diagram.ui.actions.DiagramAction#getTargetEditParts(org.eclipse.gef.EditPart) |
| */ |
| protected List getTargetEditParts(EditPart editpart) { |
| EditPart targetEP = null; |
| List editParts = new ArrayList(); |
| if (editpart instanceof ConnectionNodeEditPart) { |
| final ConnectionNodeEditPart conEP = (ConnectionNodeEditPart) editpart; |
| TransactionalEditingDomain editingDomain = conEP.getEditingDomain(); |
| for (int i = 0; i < getLabelSemanticHints().length; i++) { |
| final int index = i; |
| |
| try { |
| targetEP = (EditPart) editingDomain |
| .runExclusive(new RunnableWithResult.Impl() { |
| |
| public void run() { |
| setResult(conEP |
| .getChildBySemanticHint(getLabelSemanticHints()[index])); |
| } |
| }); |
| } catch (InterruptedException e) { |
| Trace.catching(DiagramActionsPlugin.getInstance(), |
| DiagramActionsDebugOptions.EXCEPTIONS_CATCHING, |
| getClass(), "getTargetEditParts", e); //$NON-NLS-1$ |
| Log.error(DiagramActionsPlugin.getInstance(), |
| DiagramActionsStatusCodes.IGNORED_EXCEPTION_WARNING, |
| "getTargetEditParts", e); //$NON-NLS-1$ |
| } |
| |
| if (targetEP != null) |
| editParts.add(targetEP); |
| } |
| |
| } |
| return (editParts.isEmpty()) ? Collections.EMPTY_LIST |
| : editParts; |
| } |
| |
| /** |
| * Returns the request connection label semantic hint |
| * |
| * @return The request connection label semantic hint |
| */ |
| protected String[] getLabelSemanticHints() { |
| return labelSemanticHints; |
| } |
| |
| } |