| /******************************************************************************* |
| * 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.jdt.internal.ui.compare; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| |
| import org.eclipse.core.runtime.CoreException; |
| |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.resource.JFaceResources; |
| |
| import org.eclipse.jface.text.Document; |
| import org.eclipse.jface.text.source.SourceViewer; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.Viewer; |
| |
| import org.eclipse.jdt.ui.text.JavaTextTools; |
| import org.eclipse.jdt.ui.text.JavaSourceViewerConfiguration; |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| |
| import org.eclipse.compare.IStreamContentAccessor; |
| |
| |
| public class JavaTextViewer extends Viewer { |
| |
| private SourceViewer fSourceViewer; |
| private Object fInput; |
| |
| |
| JavaTextViewer(Composite parent) { |
| fSourceViewer= new SourceViewer(parent, null, SWT.H_SCROLL + SWT.V_SCROLL); |
| JavaTextTools tools= JavaCompareUtilities.getJavaTextTools(); |
| if (tools != null) { |
| IPreferenceStore store= JavaPlugin.getDefault().getCombinedPreferenceStore(); |
| fSourceViewer.configure(new JavaSourceViewerConfiguration(tools.getColorManager(), store, null, null)); |
| } |
| |
| fSourceViewer.setEditable(false); |
| |
| String symbolicFontName= JavaMergeViewer.class.getName(); |
| Font font= JFaceResources.getFont(symbolicFontName); |
| if (font != null) |
| fSourceViewer.getTextWidget().setFont(font); |
| |
| } |
| |
| public Control getControl() { |
| return fSourceViewer.getControl(); |
| } |
| |
| public void setInput(Object input) { |
| |
| if (input instanceof IStreamContentAccessor) { |
| Document document= new Document(getString(input)); |
| JavaCompareUtilities.setupDocument(document); |
| fSourceViewer.setDocument(document); |
| } |
| fInput= input; |
| } |
| |
| public Object getInput() { |
| return fInput; |
| } |
| |
| public ISelection getSelection() { |
| return null; |
| } |
| |
| public void setSelection(ISelection s, boolean reveal) { |
| } |
| |
| public void refresh() { |
| } |
| |
| /** |
| * A helper method to retrieve the contents of the given object |
| * if it implements the IStreamContentAccessor interface. |
| */ |
| private static String getString(Object input) { |
| |
| if (input instanceof IStreamContentAccessor) { |
| IStreamContentAccessor sca= (IStreamContentAccessor) input; |
| try { |
| return JavaCompareUtilities.readString(sca); |
| } catch (CoreException ex) { |
| JavaPlugin.log(ex); |
| } |
| } |
| return ""; //$NON-NLS-1$ |
| } |
| } |