+++ /dev/null
-/*******************************************************************************
- * 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 net.sourceforge.phpeclipse.phpeditor;
-
-import java.util.ArrayList;
-
-import net.sourceforge.phpdt.internal.ui.text.SmartBackspaceManager;
-import net.sourceforge.phpdt.ui.PreferenceConstants;
-import net.sourceforge.phpdt.ui.text.PHPSourceViewerConfiguration;
-
-import org.eclipse.jface.preference.IPreferenceStore;
-import org.eclipse.jface.preference.PreferenceConverter;
-import org.eclipse.jface.text.Assert;
-import org.eclipse.jface.text.ITextPresentationListener;
-import org.eclipse.jface.text.information.IInformationPresenter;
-import org.eclipse.jface.text.reconciler.IReconciler;
-import org.eclipse.jface.text.source.IOverviewRuler;
-import org.eclipse.jface.text.source.IVerticalRuler;
-import org.eclipse.jface.text.source.SourceViewerConfiguration;
-import org.eclipse.jface.text.source.projection.ProjectionViewer;
-import org.eclipse.jface.util.IPropertyChangeListener;
-import org.eclipse.jface.util.PropertyChangeEvent;
-import org.eclipse.swt.custom.StyledText;
-import org.eclipse.swt.graphics.Color;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.graphics.RGB;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.ui.texteditor.AbstractDecoratedTextEditorPreferenceConstants;
-
-
-
-public class JavaSourceViewer extends ProjectionViewer implements IPropertyChangeListener {
-
- /**
- * Text operation code for requesting the outline for the current input.
- */
- public static final int SHOW_OUTLINE= 51;
-
- /**
- * Text operation code for requesting the outline for the element at the current position.
- */
- public static final int OPEN_STRUCTURE= 52;
-
- /**
- * Text operation code for requesting the hierarchy for the current input.
- */
- public static final int SHOW_HIERARCHY= 53;
-
- private IInformationPresenter fOutlinePresenter;
- private IInformationPresenter fStructurePresenter;
-// private IInformationPresenter fHierarchyPresenter;
-
- /**
- * This viewer's foreground color.
- * @since 3.0
- */
- private Color fForegroundColor;
- /**
- * The viewer's background color.
- * @since 3.0
- */
- private Color fBackgroundColor;
- /**
- * This viewer's selection foreground color.
- * @since 3.0
- */
- private Color fSelectionForegroundColor;
- /**
- * The viewer's selection background color.
- * @since 3.0
- */
- private Color fSelectionBackgroundColor;
- /**
- * The preference store.
- *
- * @since 3.0
- */
- private IPreferenceStore fPreferenceStore;
- /**
- * Is this source viewer configured?
- *
- * @since 3.0
- */
- private boolean fIsConfigured;
- /**
- * The backspace manager of this viewer.
- *
- * @since 3.0
- */
- private SmartBackspaceManager fBackspaceManager;
-
- public JavaSourceViewer(Composite parent, IVerticalRuler verticalRuler, IOverviewRuler overviewRuler, boolean showAnnotationsOverview, int styles, IPreferenceStore store) {
- super(parent, verticalRuler, overviewRuler, showAnnotationsOverview, styles);
- setPreferenceStore(store);
- }
-
- /*
- * @see org.eclipse.jface.text.source.SourceViewer#createFormattingContext()
- * @since 3.0
- */
-// public IFormattingContext createFormattingContext() {
-//
-// IFormattingContext context= new CommentFormattingContext();
-// Map map= new Hashtable(JavaCore.getOptions());
-//
-// context.storeToMap(PreferenceConstants.getPreferenceStore(), map, false);
-// context.setProperty(FormattingContextProperties.CONTEXT_PREFERENCES, map);
-//
-// return context;
-// }
-
- /*
- * @see ITextOperationTarget#doOperation(int)
- */
- public void doOperation(int operation) {
- if (getTextWidget() == null)
- return;
-
- switch (operation) {
- case SHOW_OUTLINE:
- fOutlinePresenter.showInformation();
- return;
- case OPEN_STRUCTURE:
- fStructurePresenter.showInformation();
- return;
- case SHOW_HIERARCHY:
-// fHierarchyPresenter.showInformation();
- return;
- case FORMAT:
- Point point = getSelectedRange();
- if (point.y==0) {
-// setSelectedRange(0, getDocument().getLength());
- revealRange(0, getDocument().getLength());
- }
- break;
- }
-
- super.doOperation(operation);
- }
-
- /*
- * @see ITextOperationTarget#canDoOperation(int)
- */
- public boolean canDoOperation(int operation) {
- if (operation == SHOW_OUTLINE)
- return fOutlinePresenter != null;
- if (operation == OPEN_STRUCTURE)
- return fStructurePresenter != null;
- if (operation == SHOW_HIERARCHY)
-// return fHierarchyPresenter != null;
- return false;
-
- return super.canDoOperation(operation);
- }
-
- /*
- * @see ISourceViewer#configure(SourceViewerConfiguration)
- */
- public void configure(SourceViewerConfiguration configuration) {
- super.configure(configuration);
- if (configuration instanceof PHPSourceViewerConfiguration) {
- fOutlinePresenter= ((PHPSourceViewerConfiguration)configuration).getOutlinePresenter(this, false);
- fOutlinePresenter.install(this);
- }
- if (configuration instanceof PHPSourceViewerConfiguration) {
- fStructurePresenter= ((PHPSourceViewerConfiguration)configuration).getOutlinePresenter(this, true);
- fStructurePresenter.install(this);
- }
- if (configuration instanceof PHPSourceViewerConfiguration) {
-// fHierarchyPresenter= ((PHPSourceViewerConfiguration)configuration).getHierarchyPresenter(this, true);
-// fHierarchyPresenter.install(this);
-
- if (fPreferenceStore != null) {
- fPreferenceStore.addPropertyChangeListener(this);
- initializeViewerColors();
- }
- }
- fIsConfigured= true;
- }
-
-
- protected void initializeViewerColors() {
- if (fPreferenceStore != null) {
-
- StyledText styledText= getTextWidget();
-
- // ----------- foreground color --------------------
- Color color= fPreferenceStore.getBoolean(PreferenceConstants.EDITOR_FOREGROUND_DEFAULT_COLOR)
- ? null
- : createColor(fPreferenceStore, PreferenceConstants.EDITOR_FOREGROUND_COLOR, styledText.getDisplay());
- styledText.setForeground(color);
-
- if (fForegroundColor != null)
- fForegroundColor.dispose();
-
- fForegroundColor= color;
-
- // ---------- background color ----------------------
- color= fPreferenceStore.getBoolean(PreferenceConstants.EDITOR_BACKGROUND_DEFAULT_COLOR)
- ? null
- : createColor(fPreferenceStore, PreferenceConstants.EDITOR_BACKGROUND_COLOR, styledText.getDisplay());
- styledText.setBackground(color);
-
- if (fBackgroundColor != null)
- fBackgroundColor.dispose();
-
- fBackgroundColor= color;
-
- // ----------- selection foreground color --------------------
- color= fPreferenceStore.getBoolean(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_SELECTION_FOREGROUND_DEFAULT_COLOR)
- ? null
- : createColor(fPreferenceStore, AbstractDecoratedTextEditorPreferenceConstants.EDITOR_SELECTION_FOREGROUND_COLOR, styledText.getDisplay());
- styledText.setSelectionForeground(color);
-
- if (fSelectionForegroundColor != null)
- fSelectionForegroundColor.dispose();
-
- fSelectionForegroundColor= color;
-
- // ---------- selection background color ----------------------
- color= fPreferenceStore.getBoolean(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_SELECTION_BACKGROUND_DEFAULT_COLOR)
- ? null
- : createColor(fPreferenceStore, AbstractDecoratedTextEditorPreferenceConstants.EDITOR_SELECTION_BACKGROUND_COLOR, styledText.getDisplay());
- styledText.setSelectionBackground(color);
-
- if (fSelectionBackgroundColor != null)
- fSelectionBackgroundColor.dispose();
-
- fSelectionBackgroundColor= color;
- }
- }
-
- /**
- * Creates a color from the information stored in the given preference store.
- * Returns <code>null</code> if there is no such information available.
- *
- * @param store the store to read from
- * @param key the key used for the lookup in the preference store
- * @param display the display used create the color
- * @return the created color according to the specification in the preference store
- * @since 3.0
- */
- private Color createColor(IPreferenceStore store, String key, Display display) {
-
- 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;
- }
-
- /*
- * @see org.eclipse.jface.text.source.ISourceViewerExtension2#unconfigure()
- * @since 3.0
- */
- public void unconfigure() {
- if (fOutlinePresenter != null) {
- fOutlinePresenter.uninstall();
- fOutlinePresenter= null;
- }
- if (fStructurePresenter != null) {
- fStructurePresenter.uninstall();
- fStructurePresenter= null;
- }
-// if (fHierarchyPresenter != null) {
-// fHierarchyPresenter.uninstall();
-// fHierarchyPresenter= null;
-// }
- if (fForegroundColor != null) {
- fForegroundColor.dispose();
- fForegroundColor= null;
- }
- if (fBackgroundColor != null) {
- fBackgroundColor.dispose();
- fBackgroundColor= null;
- }
- if (fPreferenceStore != null)
- fPreferenceStore.removePropertyChangeListener(this);
-
- super.unconfigure();
-
- fIsConfigured= false;
- }
-
- /*
- * @see org.eclipse.jface.text.source.SourceViewer#rememberSelection()
- */
- public Point rememberSelection() {
- return super.rememberSelection();
- }
-
- /*
- * @see org.eclipse.jface.text.source.SourceViewer#restoreSelection()
- */
- public void restoreSelection() {
- super.restoreSelection();
- }
-
- /*
- * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
- */
- public void propertyChange(PropertyChangeEvent event) {
- String property = event.getProperty();
- if (PreferenceConstants.EDITOR_FOREGROUND_COLOR.equals(property)
- || PreferenceConstants.EDITOR_FOREGROUND_DEFAULT_COLOR.equals(property)
- || PreferenceConstants.EDITOR_BACKGROUND_COLOR.equals(property)
- || PreferenceConstants.EDITOR_BACKGROUND_DEFAULT_COLOR.equals(property)
- || AbstractDecoratedTextEditorPreferenceConstants.EDITOR_SELECTION_FOREGROUND_COLOR.equals(property)
- || AbstractDecoratedTextEditorPreferenceConstants.EDITOR_SELECTION_FOREGROUND_DEFAULT_COLOR.equals(property)
- || AbstractDecoratedTextEditorPreferenceConstants.EDITOR_SELECTION_BACKGROUND_COLOR.equals(property)
- || AbstractDecoratedTextEditorPreferenceConstants.EDITOR_SELECTION_BACKGROUND_DEFAULT_COLOR.equals(property))
- {
- initializeViewerColors();
- }
- }
-
- /**
- * Sets the preference store on this viewer.
- *
- * @param store the preference store
- *
- * @since 3.0
- */
- public void setPreferenceStore(IPreferenceStore store) {
- if (fIsConfigured && fPreferenceStore != null)
- fPreferenceStore.removePropertyChangeListener(this);
-
- fPreferenceStore= store;
-
- if (fIsConfigured && fPreferenceStore != null) {
- fPreferenceStore.addPropertyChangeListener(this);
- initializeViewerColors();
- }
- }
-
- /*
- * @see org.eclipse.jface.text.source.SourceViewer#createControl(org.eclipse.swt.widgets.Composite, int)
- */
- protected void createControl(Composite parent, int styles) {
- super.createControl(parent, styles);
-
- fBackspaceManager= new SmartBackspaceManager();
- fBackspaceManager.install(this);
- }
-
- /**
- * Returns the backspace manager for this viewer.
- *
- * @return the backspace manager for this viewer, or <code>null</code> if
- * there is none
- * @since 3.0
- */
- public SmartBackspaceManager getBackspaceManager() {
- return fBackspaceManager;
- }
-
- /*
- * @see org.eclipse.jface.text.source.SourceViewer#handleDispose()
- */
- protected void handleDispose() {
- if (fBackspaceManager != null) {
- fBackspaceManager.uninstall();
- fBackspaceManager= null;
- }
-
- super.handleDispose();
- }
-
- /**
- * Prepends the text presentation listener at the beginning of the viewer's
- * list of text presentation listeners. If the listener is already registered
- * with the viewer this call moves the listener to the beginning of
- * the list.
- *
- * @param listener the text presentation listener
- * @since 3.0
- */
- public void prependTextPresentationListener(ITextPresentationListener listener) {
-
- Assert.isNotNull(listener);
-
- if (fTextPresentationListeners == null)
- fTextPresentationListeners= new ArrayList();
-
- fTextPresentationListeners.remove(listener);
- fTextPresentationListeners.add(0, listener);
- }
- /**
- * Sets the given reconciler.
- *
- * @param reconciler the reconciler
- * @since 3.0
- */
- void setReconciler(IReconciler reconciler) {
- fReconciler= reconciler;
- }
-
- /**
- * Returns the reconciler.
- *
- * @return the reconciler or <code>null</code> if not set
- * @since 3.0
- */
- Object getReconciler() {
- return fReconciler;
- }
-}
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