| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.ltk.internal.ui.refactoring; |
| |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.CoreException; |
| |
| import org.eclipse.ltk.core.refactoring.GroupCategorySet; |
| import org.eclipse.ltk.core.refactoring.TextEditBasedChange; |
| import org.eclipse.ltk.core.refactoring.TextEditBasedChangeGroup; |
| import org.eclipse.ltk.core.refactoring.Change; |
| |
| import org.eclipse.ltk.ui.refactoring.ChangePreviewViewerInput; |
| import org.eclipse.ltk.ui.refactoring.IChangePreviewViewer; |
| import org.eclipse.ltk.ui.refactoring.TextEditChangeNode; |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.util.Assert; |
| |
| public final class TextEditGroupNode extends TextEditChangeNode.ChildNode { |
| |
| private TextEditBasedChangeGroup fChangeGroup; |
| |
| public TextEditGroupNode(PreviewNode parent, TextEditBasedChangeGroup changeGroup) { |
| super(parent); |
| fChangeGroup= changeGroup; |
| Assert.isNotNull(fChangeGroup); |
| } |
| |
| /** |
| * Returns the <code>TextEditBasedChangeGroup</code> managed by this node. |
| * |
| * @return the <code>TextEditBasedChangeGroup</code> |
| */ |
| TextEditBasedChangeGroup getChangeGroup() { |
| return fChangeGroup; |
| } |
| |
| public String getText() { |
| return fChangeGroup.getName(); |
| } |
| |
| public ImageDescriptor getImageDescriptor() { |
| return RefactoringPluginImages.DESC_OBJS_TEXT_EDIT; |
| } |
| |
| ChangePreviewViewerDescriptor getChangePreviewViewerDescriptor() throws CoreException { |
| InternalTextEditChangeNode element= getTextEditChangeNode(); |
| if (element == null) |
| return null; |
| return element.getChangePreviewViewerDescriptor(); |
| } |
| |
| void feedInput(IChangePreviewViewer viewer, List categories) throws CoreException { |
| InternalTextEditChangeNode element= getTextEditChangeNode(); |
| if (element != null) { |
| Change change= element.getChange(); |
| if (change instanceof TextEditBasedChange) { |
| IRegion range= getTextRange(this); |
| ChangePreviewViewerInput input= null; |
| if (range != null) { |
| input= TextEditChangePreviewViewer.createInput(change, new TextEditBasedChangeGroup[] {fChangeGroup}, range); |
| } else { |
| input= TextEditChangePreviewViewer.createInput(change, fChangeGroup, 2); |
| } |
| viewer.setInput(input); |
| } |
| } else { |
| viewer.setInput(null); |
| } |
| } |
| |
| void setEnabled(boolean enabled) { |
| fChangeGroup.setEnabled(enabled); |
| } |
| |
| void setEnabledShallow(boolean enabled) { |
| fChangeGroup.setEnabled(enabled); |
| } |
| |
| int getActive() { |
| return fChangeGroup.isEnabled() ? PreviewNode.ACTIVE : PreviewNode.INACTIVE; |
| } |
| |
| PreviewNode[] getChildren() { |
| return PreviewNode.EMPTY_CHILDREN; |
| } |
| |
| boolean hasOneGroupCategory(List categories) { |
| return fChangeGroup.getGroupCategorySet().containsOneCategory(categories); |
| } |
| |
| GroupCategorySet getGroupCategorySet() { |
| return fChangeGroup.getGroupCategorySet(); |
| } |
| |
| private static IRegion getTextRange(PreviewNode element) throws CoreException { |
| if (element == null) |
| return null; |
| if (element instanceof InternalLanguageElementNode) { |
| return ((InternalLanguageElementNode)element).getTextRange(); |
| } else if (element instanceof TextEditChangeNode) { |
| return null; |
| } |
| return getTextRange(element.getParent()); |
| } |
| } |