org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/FollowHyperlinkAction.java

/*******************************************************************************
 * 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 org.eclipse.debug.internal.ui.actions;


import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.IDebugHelpContextIds;
import org.eclipse.debug.internal.ui.views.console.ConsoleViewer;
import org.eclipse.debug.ui.console.IConsoleHyperlink;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.actions.SelectionProviderAction;
import org.eclipse.ui.help.WorkbenchHelp;
import org.eclipse.ui.ide.IDE;

/**
 * Follows a hyperlink in the console
 */
public class FollowHyperlinkAction extends SelectionProviderAction {

	/**
	 * Constructs a follow link action
	 */
	public FollowHyperlinkAction(ISelectionProvider selectionProvider) {
		super(selectionProvider, ActionMessages.getString("FollowHyperlinkAction.&Open_Link_1")); //$NON-NLS-1$
		setToolTipText(ActionMessages.getString("FollowHyperlinkAction.Follow_the_selected_hyperlink._2")); //$NON-NLS-1$
		ISharedImages images= DebugUIPlugin.getDefault().getWorkbench().getSharedImages();
		setImageDescriptor(images.getImageDescriptor(IDE.SharedImages.IMG_OPEN_MARKER));
		WorkbenchHelp.setHelp(
			this,
			IDebugHelpContextIds.FOLLOW_CONSOLE_HYPERLINK_ACTION);
	}
	
	public IConsoleHyperlink getHyperLink() {
		ISelectionProvider selectionProvider = getSelectionProvider();
		if (selectionProvider instanceof ConsoleViewer) {
			ITextSelection textSelection = (ITextSelection)selectionProvider.getSelection();
			ConsoleViewer consoleViewer = (ConsoleViewer)selectionProvider;
			if (textSelection != null) {
				return consoleViewer.getHyperlink(textSelection.getOffset());
			}
		}
		return null;
	}

	/**
	 * @see org.eclipse.jface.action.IAction#run()
	 */
	public void run() {
		IConsoleHyperlink link = getHyperLink();
		if (link != null) {
			link.linkActivated();
		}
	}

}