org.eclipse.osee.framework.ui.skynet.action.ExpandAllAction.java Source code

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Here is the source code for org.eclipse.osee.framework.ui.skynet.action.ExpandAllAction.java

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/*******************************************************************************
 * Copyright (c) 2004, 2007 Boeing.
 * 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:
 *     Boeing - initial API and implementation
 *******************************************************************************/
package org.eclipse.osee.framework.ui.skynet.action;

import java.util.Iterator;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.viewers.AbstractTreeViewer;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.osee.framework.logging.OseeLevel;
import org.eclipse.osee.framework.logging.OseeLog;
import org.eclipse.osee.framework.ui.skynet.FrameworkImage;
import org.eclipse.osee.framework.ui.skynet.internal.Activator;
import org.eclipse.osee.framework.ui.swt.ImageManager;

/**
 * @author Donald G. Dunne
 */
public class ExpandAllAction extends Action {

    private final IExpandAllHandler iExpandAllHandler;
    private TreeViewer treeViewer = null;
    private boolean selectedOnly;

    public static interface IExpandAllHandler {
        public void expandAllActionHandler();
    }

    public ExpandAllAction(TreeViewer treeViewer) {
        this(treeViewer, false);
        setText("Expand All");
    }

    public ExpandAllAction(TreeViewer treeViewer, boolean selectedOnly) {
        this((IExpandAllHandler) null);
        this.treeViewer = treeViewer;
        this.selectedOnly = selectedOnly;
        setText("Expand All");
    }

    public ExpandAllAction(IExpandAllHandler iRefreshActionHandler) {
        this.iExpandAllHandler = iRefreshActionHandler;
        setImageDescriptor(ImageManager.getImageDescriptor(FrameworkImage.EXPAND_ALL));
        setToolTipText("Expand All");
        this.selectedOnly = false;
        setText("Expand All");
    }

    private void expandAll(IStructuredSelection selection) {
        Iterator<?> iter = selection.iterator();
        while (iter.hasNext()) {
            treeViewer.expandToLevel(iter.next(), AbstractTreeViewer.ALL_LEVELS);
        }
    }

    @Override
    public void run() {
        try {
            if (treeViewer != null) {
                if (selectedOnly) {
                    expandAll((IStructuredSelection) treeViewer.getSelection());
                } else {
                    treeViewer.expandAll();
                }
            } else {
                iExpandAllHandler.expandAllActionHandler();
            }
        } catch (Exception ex) {
            OseeLog.log(Activator.class, OseeLevel.SEVERE_POPUP, ex);
        }
    }
}