+++ /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.phpdt.internal.ui.actions;
-
-import org.eclipse.jface.action.IMenuManager;
-import org.eclipse.jface.text.ITextViewer;
-import org.eclipse.jface.text.source.projection.IProjectionListener;
-import org.eclipse.jface.text.source.projection.ProjectionViewer;
-import org.eclipse.ui.actions.ActionGroup;
-import org.eclipse.ui.editors.text.IFoldingCommandIds;
-import org.eclipse.ui.texteditor.ITextEditor;
-import org.eclipse.ui.texteditor.TextOperationAction;
-
-/**
- * Groups the JDT folding actions.
- *
- * @since 3.0
- */
-public class FoldingActionGroup extends ActionGroup {
- private ProjectionViewer fViewer;
-
- private TextOperationAction fToggle;
-
- private TextOperationAction fExpand;
-
- private TextOperationAction fCollapse;
-
- private TextOperationAction fExpandAll;
-
- private IProjectionListener fProjectionListener;
-
- /**
- * Creates a new projection action group for <code>editor</code>. If the
- * supplied viewer is not an instance of <code>ProjectionViewer</code>,
- * the action group is disabled.
- *
- * @param editor
- * the text editor to operate on
- * @param viewer
- * the viewer of the editor
- */
- public FoldingActionGroup(ITextEditor editor, ITextViewer viewer) {
- if (viewer instanceof ProjectionViewer) {
- fViewer = (ProjectionViewer) viewer;
-
- fProjectionListener = new IProjectionListener() {
-
- public void projectionEnabled() {
- update();
- }
-
- public void projectionDisabled() {
- update();
- }
- };
-
- fViewer.addProjectionListener(fProjectionListener);
-
- fToggle = new TextOperationAction(ActionMessages
- .getResourceBundle(),
- "Projection.Toggle.", editor, ProjectionViewer.TOGGLE, true); //$NON-NLS-1$
- fToggle.setChecked(true);
- fToggle.setActionDefinitionId(IFoldingCommandIds.FOLDING_TOGGLE);
- editor.setAction("FoldingToggle", fToggle); //$NON-NLS-1$
-
- fExpandAll = new TextOperationAction(
- ActionMessages.getResourceBundle(),
- "Projection.ExpandAll.", editor, ProjectionViewer.EXPAND_ALL, true); //$NON-NLS-1$
- fExpandAll
- .setActionDefinitionId(IFoldingCommandIds.FOLDING_EXPAND_ALL);
- editor.setAction("FoldingExpandAll", fExpandAll); //$NON-NLS-1$
-
- fExpand = new TextOperationAction(ActionMessages
- .getResourceBundle(),
- "Projection.Expand.", editor, ProjectionViewer.EXPAND, true); //$NON-NLS-1$
- fExpand.setActionDefinitionId(IFoldingCommandIds.FOLDING_EXPAND);
- editor.setAction("FoldingExpand", fExpand); //$NON-NLS-1$
-
- fCollapse = new TextOperationAction(
- ActionMessages.getResourceBundle(),
- "Projection.Collapse.", editor, ProjectionViewer.COLLAPSE, true); //$NON-NLS-1$
- fCollapse
- .setActionDefinitionId(IFoldingCommandIds.FOLDING_COLLAPSE);
- editor.setAction("FoldingCollapse", fCollapse); //$NON-NLS-1$
- }
- }
-
- /**
- * Returns <code>true</code> if the group is enabled.
- *
- * <pre>
- * Invariant: isEnabled() <=> fViewer and all actions are != null.
- * </pre>
- *
- * @return <code>true</code> if the group is enabled
- */
- private boolean isEnabled() {
- return fViewer != null;
- }
-
- /*
- * @see org.eclipse.ui.actions.ActionGroup#dispose()
- */
- public void dispose() {
- if (isEnabled()) {
- fViewer.removeProjectionListener(fProjectionListener);
- fViewer = null;
- }
- super.dispose();
- }
-
- /**
- * Updates the actions.
- */
- protected void update() {
- if (isEnabled()) {
- fToggle.update();
- fToggle.setChecked(fViewer.getProjectionAnnotationModel() != null);
- fExpand.update();
- fExpandAll.update();
- fCollapse.update();
- }
- }
-
- /**
- * Fills the menu with all folding actions.
- *
- * @param manager
- * the menu manager for the folding submenu
- */
- public void fillMenu(IMenuManager manager) {
- if (isEnabled()) {
- update();
- manager.add(fToggle);
- manager.add(fExpandAll);
- manager.add(fExpand);
- manager.add(fCollapse);
- }
- }
-
- /*
- * @see org.eclipse.ui.actions.ActionGroup#updateActionBars()
- */
- public void updateActionBars() {
- update();
- }
-}
git://secure.phpeclipse.com / phpeclipse.git / blobdiff