--- /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;
+//incastrix
+//import org.eclipse.jface.text.Assert;
+import org.eclipse.core.runtime.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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