| /******************************************************************************* |
| * Copyright (c) 2000, 2014 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.refactoring; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.StyledText; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.RGB; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.preference.PreferenceConverter; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.resource.JFaceResources; |
| |
| import org.eclipse.jface.text.Document; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.source.IVerticalRuler; |
| import org.eclipse.jface.text.source.SourceViewer; |
| import org.eclipse.jface.text.source.SourceViewerConfiguration; |
| |
| import org.eclipse.ui.model.IWorkbenchAdapter; |
| |
| import org.eclipse.ui.texteditor.AbstractTextEditor; |
| |
| import org.eclipse.ui.editors.text.EditorsUI; |
| |
| import org.eclipse.ltk.core.refactoring.Change; |
| import org.eclipse.ltk.ui.refactoring.ChangePreviewViewerInput; |
| import org.eclipse.ltk.ui.refactoring.IChangePreviewViewer; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.nls.changes.CreateTextFileChange; |
| |
| import org.eclipse.jdt.ui.PreferenceConstants; |
| import org.eclipse.jdt.ui.text.JavaSourceViewerConfiguration; |
| import org.eclipse.jdt.ui.text.JavaTextTools; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.propertiesfileeditor.IPropertiesFilePartitions; |
| import org.eclipse.jdt.internal.ui.propertiesfileeditor.PropertiesFileDocumentSetupParticipant; |
| import org.eclipse.jdt.internal.ui.propertiesfileeditor.PropertiesFileSourceViewerConfiguration; |
| import org.eclipse.jdt.internal.ui.util.ViewerPane; |
| |
| /** |
| * Change preview viewer for <code>CreateTextFileChange</code> objects. |
| */ |
| public final class CreateTextFileChangePreviewViewer implements IChangePreviewViewer { |
| |
| private static class CreateTextFilePreviewer extends ViewerPane { |
| |
| private ImageDescriptor fDescriptor; |
| |
| private Image fImage; |
| |
| public CreateTextFilePreviewer(Composite parent, int style) { |
| super(parent, style); |
| addDisposeListener(e -> disposeImage()); |
| } |
| |
| /*package*/ void disposeImage() { |
| if (fImage != null) { |
| fImage.dispose(); |
| } |
| } |
| |
| public void setImageDescriptor(ImageDescriptor imageDescriptor) { |
| fDescriptor= imageDescriptor; |
| } |
| |
| @Override |
| public void setText(String text) { |
| super.setText(text); |
| Image current= null; |
| if (fDescriptor != null) { |
| current= fImage; |
| fImage= fDescriptor.createImage(); |
| } else { |
| current= fImage; |
| fImage= null; |
| } |
| setImage(fImage); |
| if (current != null) { |
| current.dispose(); |
| } |
| } |
| |
| } |
| |
| private static class FileChangeSourceViewer extends SourceViewer { |
| |
| private final Map<String, Color> customColors= new HashMap<>(); |
| |
| public FileChangeSourceViewer(Composite parent, IVerticalRuler ruler, int styles) { |
| super(parent, ruler, styles); |
| setColors(); |
| StyledText textWidget= getTextWidget(); |
| textWidget.setEditable(false); |
| textWidget.setFont(JFaceResources.getFont(PreferenceConstants.EDITOR_TEXT_FONT)); |
| } |
| |
| @Override |
| protected void handleDispose() { |
| customColors.clear(); |
| super.handleDispose(); |
| } |
| |
| private void setColors() { |
| IPreferenceStore store= EditorsUI.getPreferenceStore(); |
| StyledText styledText= getTextWidget(); |
| setColor(styledText, store, |
| AbstractTextEditor.PREFERENCE_COLOR_FOREGROUND, |
| store.getBoolean( |
| AbstractTextEditor.PREFERENCE_COLOR_FOREGROUND_SYSTEM_DEFAULT)); |
| setColor(styledText, store, |
| AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND, |
| store.getBoolean( |
| AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT)); |
| setColor(styledText, store, |
| AbstractTextEditor.PREFERENCE_COLOR_SELECTION_FOREGROUND, |
| store.getBoolean( |
| AbstractTextEditor.PREFERENCE_COLOR_SELECTION_FOREGROUND_SYSTEM_DEFAULT)); |
| setColor(styledText, store, |
| AbstractTextEditor.PREFERENCE_COLOR_SELECTION_BACKGROUND, |
| store.getBoolean( |
| AbstractTextEditor.PREFERENCE_COLOR_SELECTION_BACKGROUND_SYSTEM_DEFAULT)); |
| } |
| |
| private void setColor(StyledText styledText, IPreferenceStore store, |
| String key, boolean useDefault) { |
| Color newColor= useDefault |
| ? null |
| : createColor(styledText.getDisplay(), store, key); |
| switch (key) { |
| case AbstractTextEditor.PREFERENCE_COLOR_FOREGROUND: |
| styledText.setForeground(newColor); |
| break; |
| case AbstractTextEditor.PREFERENCE_COLOR_BACKGROUND: |
| styledText.setBackground(newColor); |
| break; |
| case AbstractTextEditor.PREFERENCE_COLOR_SELECTION_FOREGROUND: |
| styledText.setSelectionForeground(newColor); |
| break; |
| case AbstractTextEditor.PREFERENCE_COLOR_SELECTION_BACKGROUND: |
| styledText.setSelectionBackground(newColor); |
| break; |
| default: |
| return; |
| } |
| customColors.remove(key); |
| customColors.put(key, newColor); |
| } |
| |
| private static Color createColor(Display display, IPreferenceStore store, |
| String key) { |
| RGB rgb= null; |
| if (store.contains(key)) { |
| if (store.isDefault(key)) { |
| rgb= PreferenceConverter.getDefaultColor(store, key); |
| } else { |
| rgb= PreferenceConverter.getColor(store, key); |
| } |
| if (rgb != null) { |
| return new Color(display, rgb); |
| } |
| } |
| return null; |
| } |
| } |
| |
| private CreateTextFilePreviewer fPane; |
| |
| private SourceViewer fSourceViewer; |
| |
| @Override |
| public void createControl(Composite parent) { |
| fPane= new CreateTextFilePreviewer(parent, SWT.BORDER | SWT.FLAT); |
| Dialog.applyDialogFont(fPane); |
| |
| fSourceViewer= new FileChangeSourceViewer(fPane, null, SWT.V_SCROLL | SWT.H_SCROLL | SWT.MULTI | SWT.FULL_SELECTION); |
| fPane.setContent(fSourceViewer.getControl()); |
| } |
| |
| @Override |
| public Control getControl() { |
| return fPane; |
| } |
| |
| public void refresh() { |
| fSourceViewer.refresh(); |
| } |
| |
| |
| @Override |
| public void setInput(ChangePreviewViewerInput input) { |
| Change change= input.getChange(); |
| if (change != null) { |
| Object element= change.getModifiedElement(); |
| if (element instanceof IAdaptable) { |
| IAdaptable adaptable= (IAdaptable) element; |
| IWorkbenchAdapter workbenchAdapter= adaptable.getAdapter(IWorkbenchAdapter.class); |
| if (workbenchAdapter != null) { |
| fPane.setImageDescriptor(workbenchAdapter.getImageDescriptor(element)); |
| } else { |
| fPane.setImageDescriptor(null); |
| } |
| } else { |
| fPane.setImageDescriptor(null); |
| } |
| } |
| if (!(change instanceof CreateTextFileChange)) { |
| fSourceViewer.setInput(null); |
| fPane.setText(""); //$NON-NLS-1$ |
| return; |
| } |
| CreateTextFileChange textFileChange= (CreateTextFileChange) change; |
| fPane.setText(textFileChange.getName()); |
| IDocument document= new Document(textFileChange.getPreview()); |
| // This is a temporary work around until we get the |
| // source viewer registry. |
| fSourceViewer.unconfigure(); |
| String textType= textFileChange.getTextType(); |
| JavaTextTools textTools= JavaPlugin.getDefault().getJavaTextTools(); |
| IPreferenceStore store= JavaPlugin.getDefault().getCombinedPreferenceStore(); |
| boolean nomatch= false; |
| if (textType != null) switch (textType) { |
| case "java": //$NON-NLS-1$ |
| textTools.setupJavaDocumentPartitioner(document); |
| fSourceViewer.configure(new JavaSourceViewerConfiguration(textTools.getColorManager(), store, null, null)); |
| fSourceViewer.getTextWidget().setOrientation(SWT.LEFT_TO_RIGHT); |
| break; |
| case "properties": //$NON-NLS-1$ |
| PropertiesFileDocumentSetupParticipant.setupDocument(document); |
| fSourceViewer.configure(new PropertiesFileSourceViewerConfiguration(textTools.getColorManager(), store, null, IPropertiesFilePartitions.PROPERTIES_FILE_PARTITIONING)); |
| fSourceViewer.getTextWidget().setOrientation(SWT.LEFT_TO_RIGHT); |
| break; |
| default: |
| nomatch= true; |
| break; |
| } |
| if (nomatch) { |
| fSourceViewer.configure(new SourceViewerConfiguration()); |
| fSourceViewer.getTextWidget().setOrientation(fSourceViewer.getTextWidget().getParent().getOrientation()); |
| } |
| fSourceViewer.setInput(document); |
| } |
| } |