| /******************************************************************************* |
| * Copyright (c) 2005, 2006 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.ui.views.markers.internal; |
| |
| import java.util.ArrayList; |
| |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.core.commands.operations.IUndoableOperation; |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jface.dialogs.ErrorDialog; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.actions.SelectionProviderAction; |
| import org.eclipse.ui.ide.undo.WorkspaceUndoUtil; |
| import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin; |
| |
| /** |
| * MarkerSelectionProviderAction is the abstract super class of the selection |
| * provider actions used by marker views. |
| * |
| */ |
| public abstract class MarkerSelectionProviderAction extends |
| SelectionProviderAction { |
| |
| /** |
| * Create a new instance of the receiver. |
| * |
| * @param provider |
| * @param text |
| */ |
| public MarkerSelectionProviderAction(ISelectionProvider provider, |
| String text) { |
| super(provider, text); |
| |
| } |
| |
| /** |
| * Get the selected markers in the receiver. |
| * |
| * @return IMarker[] |
| */ |
| IMarker[] getSelectedMarkers() { |
| |
| return getSelectedMarkers(getStructuredSelection()); |
| } |
| |
| /** |
| * Return the selected markers for the structured selection. |
| * |
| * @param structured |
| * IStructuredSelection |
| * @return IMarker[] |
| */ |
| IMarker[] getSelectedMarkers(IStructuredSelection structured) { |
| Object[] selection = structured.toArray(); |
| ArrayList markers = new ArrayList(); |
| for (int i = 0; i < selection.length; i++) { |
| Object object = selection[i]; |
| if (!(object instanceof MarkerNode)) { |
| return new IMarker[0];// still pending |
| } |
| MarkerNode marker = (MarkerNode) object; |
| if (marker.isConcrete()) { |
| markers.add(((ConcreteMarker) object).getMarker()); |
| } |
| } |
| |
| return (IMarker[]) markers.toArray(new IMarker[markers.size()]); |
| } |
| |
| /** |
| * Get the selected marker in the receiver. |
| * |
| * @return IMarker |
| */ |
| IMarker getSelectedMarker() { |
| |
| ConcreteMarker selection = (ConcreteMarker) getStructuredSelection() |
| .getFirstElement(); |
| return selection.getMarker(); |
| } |
| |
| /** |
| * Execute the specified undoable operation |
| */ |
| void execute(IUndoableOperation operation, String title, |
| IProgressMonitor monitor, IAdaptable uiInfo) { |
| try { |
| PlatformUI.getWorkbench().getOperationSupport() |
| .getOperationHistory().execute(operation, monitor, uiInfo); |
| } catch (ExecutionException e) { |
| if (e.getCause() instanceof CoreException) { |
| ErrorDialog |
| .openError(WorkspaceUndoUtil.getShell(uiInfo), title, |
| null, ((CoreException) e.getCause()) |
| .getStatus()); |
| } else { |
| IDEWorkbenchPlugin.log(title, e); |
| } |
| } |
| } |
| } |