org.eclipse.team.internal.ccvs.ui.TableViewerAction.java Source code

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Here is the source code for org.eclipse.team.internal.ccvs.ui.TableViewerAction.java

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/*******************************************************************************
 * 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.ccvs.ui;

import java.util.Iterator;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWTError;
import org.eclipse.swt.dnd.*;
import org.eclipse.swt.widgets.Display;
import org.eclipse.team.core.history.ITag;

/**
 * Copies the text form the selected element of the given
 * {@link org.eclipse.jface.viewers.TableViewer}.
 */
public class TableViewerAction extends Action {

    /**
     * Viewer for which the action is to be performed
     */
    private TableViewer viewer;

    public TableViewerAction(TableViewer viewer) {
        this.viewer = viewer;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.jface.action.Action#run()
     */
    public void run() {
        if (viewer.getSelection() instanceof StructuredSelection) {
            StructuredSelection selection = (StructuredSelection) viewer.getSelection();
            if (!selection.isEmpty()) {
                Iterator selectionIter = selection.iterator();

                StringBuffer buf = new StringBuffer();
                ITag firstTag = (ITag) selectionIter.next();
                buf.append(firstTag.getName());
                while (selectionIter.hasNext()) {
                    String tagName = ((ITag) selectionIter.next()).getName();
                    buf.append(System.getProperty("line.separator", "\n")).append(tagName); //$NON-NLS-1$ //$NON-NLS-2$
                }

                Clipboard clipboard = new Clipboard(Display.getDefault());
                Object[] data = new Object[] { buf.toString() };
                Transfer[] dataTypes = new Transfer[] { TextTransfer.getInstance() };
                try {
                    clipboard.setContents(data, dataTypes);
                } catch (SWTError e) {
                    if (e.code != DND.ERROR_CANNOT_SET_CLIPBOARD) {
                        throw e;
                    }
                } finally {
                    clipboard.dispose();
                }
            }
        }
    }
}