org.eclipse.team.internal.ui.synchronize.NavigationActionGroup.java Source code

Introduction

Here is the source code for org.eclipse.team.internal.ui.synchronize.NavigationActionGroup.java

Source

/*******************************************************************************
 * Copyright (c) 2000, 2010 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.team.internal.ui.synchronize;

import org.eclipse.compare.ICompareNavigator;
import org.eclipse.jface.action.*;
import org.eclipse.jface.viewers.AbstractTreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.team.internal.ui.TeamUIPlugin;
import org.eclipse.team.internal.ui.Utils;
import org.eclipse.team.internal.ui.synchronize.actions.ExpandAllAction;
import org.eclipse.team.internal.ui.synchronize.actions.NavigateAction;
import org.eclipse.team.ui.synchronize.ISynchronizePageConfiguration;
import org.eclipse.team.ui.synchronize.SynchronizePageActionGroup;
import org.eclipse.ui.IActionBars;

/**
 * Action group that provide expand, collapse and navigation actions.
 */
public class NavigationActionGroup extends SynchronizePageActionGroup {

    private ExpandAllAction expandAllAction;
    private Action collapseAll;
    private NavigateAction gotoNext;
    private NavigateAction gotoPrevious;

    public void initialize(ISynchronizePageConfiguration configuration) {
        super.initialize(configuration);
        final Viewer viewer = configuration.getPage().getViewer();
        if (viewer instanceof AbstractTreeViewer) {

            expandAllAction = new ExpandAllAction((AbstractTreeViewer) viewer);
            Utils.initAction(expandAllAction, "action.expandAll."); //$NON-NLS-1$

            collapseAll = new Action() {
                public void run() {
                    if (viewer.getControl().isDisposed() || !(viewer instanceof AbstractTreeViewer))
                        return;
                    viewer.getControl().setRedraw(false);
                    ((AbstractTreeViewer) viewer).collapseToLevel(viewer.getInput(), AbstractTreeViewer.ALL_LEVELS);
                    viewer.getControl().setRedraw(true);
                }
            };
            Utils.initAction(collapseAll, "action.collapseAll."); //$NON-NLS-1$

            ICompareNavigator nav = (ICompareNavigator) configuration
                    .getProperty(SynchronizePageConfiguration.P_NAVIGATOR);
            if (nav != null) {
                gotoNext = new NavigateAction(configuration, true /*next*/);
                gotoPrevious = new NavigateAction(configuration, false /*previous*/);
            }
        }
    }

    public void fillContextMenu(IMenuManager manager) {
        if (manager == null || expandAllAction == null)
            return;

        if (manager.find(TeamUIPlugin.REMOVE_FROM_VIEW_ACTION_ID) != null)
            manager.insertBefore(TeamUIPlugin.REMOVE_FROM_VIEW_ACTION_ID, expandAllAction);
        else
            appendToGroup(manager, ISynchronizePageConfiguration.NAVIGATE_GROUP, expandAllAction);
    }

    public void fillActionBars(IActionBars actionBars) {
        IToolBarManager manager = actionBars.getToolBarManager();
        appendToGroup(manager, ISynchronizePageConfiguration.NAVIGATE_GROUP, collapseAll);
        if (gotoNext != null)
            appendToGroup(manager, ISynchronizePageConfiguration.NAVIGATE_GROUP, gotoNext);
        if (gotoPrevious != null)
            appendToGroup(manager, ISynchronizePageConfiguration.NAVIGATE_GROUP, gotoPrevious);
    }
}