+++ /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 net.sourceforge.phpdt.internal.ui.PHPUiImages;
-import net.sourceforge.phpdt.ui.PreferenceConstants;
-import net.sourceforge.phpdt.ui.actions.PHPEditorActionDefinitionIds;
-import net.sourceforge.phpeclipse.PHPeclipsePlugin;
-
-import org.eclipse.jface.preference.IPreferenceStore;
-import org.eclipse.jface.text.IRegion;
-import org.eclipse.jface.util.IPropertyChangeListener;
-import org.eclipse.jface.util.PropertyChangeEvent;
-import org.eclipse.ui.texteditor.ITextEditor;
-import org.eclipse.ui.texteditor.TextEditorAction;
-
-/**
- * A toolbar action which toggles the presentation model of the connected text
- * editor. The editor shows either the highlight range only or always the whole
- * document.
- */
-public class TogglePresentationAction extends TextEditorAction implements
- IPropertyChangeListener {
-
- private IPreferenceStore fStore;
-
- /**
- * Constructs and updates the action.
- */
- public TogglePresentationAction() {
- super(PHPEditorMessages.getResourceBundle(),
- "TogglePresentation.", null); //$NON-NLS-1$
- PHPUiImages.setToolImageDescriptors(this, "segment_edit.gif"); //$NON-NLS-1$
- setToolTipText(PHPEditorMessages
- .getString("TogglePresentation.tooltip")); //$NON-NLS-1$
- setActionDefinitionId(PHPEditorActionDefinitionIds.TOGGLE_PRESENTATION);
- // WorkbenchHelp.setHelp(this,
- // IJavaHelpContextIds.TOGGLE_PRESENTATION_ACTION);
- update();
- }
-
- /*
- * @see IAction#actionPerformed
- */
- public void run() {
-
- ITextEditor editor = getTextEditor();
- if (editor == null)
- return;
-
- IRegion remembered = editor.getHighlightRange();
- editor.resetHighlightRange();
-
- boolean showAll = !editor.showsHighlightRangeOnly();
- setChecked(showAll);
-
- editor.showHighlightRangeOnly(showAll);
- if (remembered != null)
- editor.setHighlightRange(remembered.getOffset(), remembered
- .getLength(), true);
-
- fStore.removePropertyChangeListener(this);
- fStore.setValue(PreferenceConstants.EDITOR_SHOW_SEGMENTS, showAll);
- fStore.addPropertyChangeListener(this);
- }
-
- /*
- * @see TextEditorAction#update
- */
- public void update() {
- ITextEditor editor = getTextEditor();
- boolean checked = (editor != null && editor.showsHighlightRangeOnly());
- setChecked(checked);
- setEnabled(editor != null);
- }
-
- /*
- * @see TextEditorAction#setEditor(ITextEditor)
- */
- public void setEditor(ITextEditor editor) {
-
- super.setEditor(editor);
-
- if (editor != null) {
-
- if (fStore == null) {
- fStore = PHPeclipsePlugin.getDefault().getPreferenceStore();
- fStore.addPropertyChangeListener(this);
- }
- synchronizeWithPreference(editor);
-
- } else if (fStore != null) {
- fStore.removePropertyChangeListener(this);
- fStore = null;
- }
-
- update();
- }
-
- /**
- * Synchronizes the appearance of the editor with what the preference store
- * tells him.
- */
- private void synchronizeWithPreference(ITextEditor editor) {
-
- if (editor == null)
- return;
-
- boolean showSegments = fStore
- .getBoolean(PreferenceConstants.EDITOR_SHOW_SEGMENTS);
- setChecked(showSegments);
-
- if (editor.showsHighlightRangeOnly() != showSegments) {
- IRegion remembered = editor.getHighlightRange();
- editor.resetHighlightRange();
- editor.showHighlightRangeOnly(showSegments);
- if (remembered != null)
- editor.setHighlightRange(remembered.getOffset(), remembered
- .getLength(), true);
- }
- }
-
- /*
- * @see IPropertyChangeListener#propertyChange(PropertyChangeEvent)
- */
- public void propertyChange(PropertyChangeEvent event) {
- if (event.getProperty()
- .equals(PreferenceConstants.EDITOR_SHOW_SEGMENTS))
- synchronizeWithPreference(getTextEditor());
- }
-}