| /******************************************************************************* |
| * Copyright (c) 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.team.ui.history; |
| |
| import java.lang.reflect.InvocationTargetException; |
| |
| import org.eclipse.compare.CompareConfiguration; |
| import org.eclipse.compare.IContentChangeNotifier; |
| import org.eclipse.compare.structuremergeviewer.ICompareInput; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jface.action.ToolBarManager; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.team.internal.ui.Utils; |
| import org.eclipse.team.internal.ui.history.DialogHistoryPageSite; |
| import org.eclipse.team.ui.PageSaveablePart; |
| import org.eclipse.team.ui.SaveablePartDialog; |
| import org.eclipse.ui.part.Page; |
| |
| /** |
| * Displays a history page combined with the compare/merge infrastructure. This only works properly if the |
| * history page adapts to an {@link IHistoryCompareAdapter}. |
| * |
| * @since 3.2 |
| */ |
| public class HistoryPageSaveablePart extends PageSaveablePart { |
| |
| private IHistoryPage historyPage; |
| private DialogHistoryPageSite site; |
| private final Object object; |
| private final IHistoryPageSource pageSource; |
| |
| /** |
| * Show the history for the object in a dialog. The history will only be |
| * shown if an {@link IHistoryPageSource} can be found for the object. |
| * @param shell the parent sell |
| * @param object the object |
| * @return whether the object had an {@link IHistoryPageSource} availabel or not |
| */ |
| public static boolean showHistoryInDialog(Shell shell, Object object) { |
| IHistoryPageSource pageSource = HistoryPageSource.getHistoryPageSource(object); |
| if (pageSource != null && pageSource.canShowHistoryFor(object)) { |
| CompareConfiguration cc = new CompareConfiguration(); |
| cc.setLeftEditable(isFile(object)); |
| cc.setRightEditable(false); |
| HistoryPageSaveablePart input = new HistoryPageSaveablePart(shell, cc, pageSource, object); |
| SaveablePartDialog cd = new SaveablePartDialog(shell, input); |
| cd.setBlockOnOpen(true); |
| cd.open(); |
| return true; |
| } |
| return false; |
| } |
| |
| private static boolean isFile(Object object) { |
| IResource resource = Utils.getResource(object); |
| return (resource != null && resource.getType() == IResource.FILE); |
| } |
| |
| /** |
| * Create a history page part for the given page and object. |
| * @param shell the parent shell |
| * @param configuration the compare configuration |
| * @param pageSource the page source |
| * @param object the object whose history is to be displayed |
| */ |
| public HistoryPageSaveablePart(Shell shell, CompareConfiguration configuration, IHistoryPageSource pageSource, Object object) { |
| super(shell,configuration); |
| this.pageSource = pageSource; |
| this.object = object; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.team.ui.PageSaveablePart#getTitle() |
| */ |
| public String getTitle() { |
| return historyPage.getName(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.ui.PageSaveablePart#getTitleImage() |
| */ |
| public Image getTitleImage() { |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.compare.IContentChangeListener#contentChanged(org.eclipse.compare.IContentChangeNotifier) |
| */ |
| public void contentChanged(IContentChangeNotifier source) { |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.ui.PageSaveablePart#createPage(org.eclipse.swt.widgets.Composite, org.eclipse.jface.action.ToolBarManager) |
| */ |
| protected Control createPage(Composite parent, ToolBarManager toolBarManager) { |
| site = new DialogHistoryPageSite(getShell()); |
| historyPage = (IHistoryPage)pageSource.createPage(object); |
| historyPage.setSite(site); |
| site.setToolBarManager(toolBarManager); |
| ((Page) historyPage).createControl(parent); |
| historyPage.setInput(object); |
| String description = historyPage.getDescription(); |
| if (description == null) |
| description = ""; //$NON-NLS-1$ |
| setPageDescription(description); |
| return ((Page) historyPage).getControl(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.ui.PageSaveablePart#getPageSelectionProvider() |
| */ |
| protected final ISelectionProvider getSelectionProvider() { |
| return site.getSelectionProvider(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.ui.PageSaveablePart#getCompareInput(org.eclipse.jface.viewers.ISelection) |
| */ |
| protected ICompareInput getCompareInput(ISelection selection) { |
| ICompareInput compareInput = super.getCompareInput(selection); |
| if (compareInput != null) |
| return compareInput; |
| IHistoryCompareAdapter compareAdapter = (IHistoryCompareAdapter) Utils.getAdapter(historyPage, IHistoryCompareAdapter.class); |
| if (compareAdapter != null){ |
| return compareAdapter.getCompareInput(selection); |
| } |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.ui.PageSaveablePart#prepareInput(org.eclipse.compare.structuremergeviewer.ICompareInput, org.eclipse.compare.CompareConfiguration, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| protected void prepareInput(ICompareInput input, CompareConfiguration configuration, IProgressMonitor monitor) throws InvocationTargetException { |
| IHistoryCompareAdapter compareAdapter = (IHistoryCompareAdapter) Utils.getAdapter(historyPage, IHistoryCompareAdapter.class); |
| if (compareAdapter != null){ |
| compareAdapter.prepareInput(input, configuration, monitor); |
| } |
| } |
| |
| } |