| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.ui.views.tasklist; |
| |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.ui.IMarkerResolution; |
| import org.eclipse.ui.dialogs.MarkerResolutionSelectionDialog; |
| import org.eclipse.ui.help.WorkbenchHelp; |
| import org.eclipse.ui.ide.IDE; |
| |
| /** |
| * This action displays a list of resolutions for the selected marker |
| * |
| * @since 2.0 |
| */ |
| class ResolveMarkerAction extends TaskAction { |
| |
| /** |
| * Creates the action. |
| */ |
| protected ResolveMarkerAction(TaskList tasklist, String id) { |
| super(tasklist, id); |
| WorkbenchHelp.setHelp(this, |
| ITaskListHelpContextIds.RESOLVE_MARKER_ACTION); |
| } |
| |
| /** |
| * Returns whether this action should be enabled given the selection. |
| */ |
| public boolean shouldEnable(IStructuredSelection selection) { |
| if (selection.size() != 1) |
| return false; |
| IMarker marker = (IMarker) selection.getFirstElement(); |
| if (marker == null) |
| return false; |
| return IDE.getMarkerHelpRegistry().hasResolutions(marker); |
| } |
| |
| /** |
| * Displays a list of resolutions and performs the selection. |
| */ |
| public void run() { |
| IMarker marker = getMarker(); |
| if (marker == null) { |
| return; |
| } |
| getTaskList().cancelEditing(); |
| IMarkerResolution[] resolutions = getResolutions(marker); |
| if (resolutions.length == 0) { |
| MessageDialog.openInformation(getShell(), TaskListMessages |
| .getString("Resolve.title"), //$NON-NLS-1$ |
| TaskListMessages.getString("Resolve.noResolutionsLabel")); //$NON-NLS-1$ |
| return; |
| } |
| MarkerResolutionSelectionDialog d = new MarkerResolutionSelectionDialog( |
| getShell(), resolutions); |
| if (d.open() != Dialog.OK) |
| return; |
| Object[] result = d.getResult(); |
| if (result != null && result.length > 0) |
| ((IMarkerResolution) result[0]).run(marker); |
| } |
| |
| /** |
| * Returns the resolutions for the given marker. |
| * |
| * @param the marker for which to obtain resolutions |
| * @return the resolutions for the selected marker |
| */ |
| private IMarkerResolution[] getResolutions(IMarker marker) { |
| return IDE.getMarkerHelpRegistry().getResolutions(marker); |
| } |
| |
| /** |
| * Returns the selected marker (may be <code>null</code>). |
| * |
| * @return the selected marker |
| */ |
| private IMarker getMarker() { |
| IStructuredSelection selection = (IStructuredSelection) getTaskList() |
| .getSelection(); |
| // only enable for single selection |
| if (selection.size() != 1) |
| return null; |
| return (IMarker) selection.getFirstElement(); |
| } |
| } |