org.eclipse.jdt.debug.ui/ui/org/eclipse/jdt/internal/debug/ui/actions/AddVariableAction.java

package org.eclipse.jdt.internal.debug.ui.actions;

/**********************************************************************
Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.
This file is 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
**********************************************************************/

import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.internal.debug.ui.launcher.RuntimeClasspathViewer;
import org.eclipse.jdt.internal.ui.wizards.buildpaths.NewVariableEntryDialog;
import org.eclipse.jdt.launching.IRuntimeClasspathEntry;
import org.eclipse.jdt.launching.JavaRuntime;
import org.eclipse.jface.viewers.IStructuredSelection;

/**
 * Adds a variable to the runtime class path.
 */
public class AddVariableAction extends RuntimeClasspathAction {

	public AddVariableAction(RuntimeClasspathViewer viewer) {
		super(ActionMessages.getString("AddVariableAction.Add_Variables_1"), viewer); //$NON-NLS-1$
	}	

	/**
	 * Prompts for variables to add.
	 * 
	 * @see IAction#run()
	 */	
	public void run() {
		
		NewVariableEntryDialog dialog = new NewVariableEntryDialog(getShell());
		dialog.setTitle(ActionMessages.getString("AddVariableAction.Variable_Selection_1")); //$NON-NLS-1$
		
		if (dialog.open() == NewVariableEntryDialog.OK) {			
			IPath[] paths = dialog.getResult();
			IRuntimeClasspathEntry[] entries = new IRuntimeClasspathEntry[paths.length];
			for (int i = 0; i < paths.length; i++) {
				entries[i] = JavaRuntime.newVariableRuntimeClasspathEntry(paths[i]);
			}
			getViewer().addEntries(entries);
		}				
	}

	/**
	 * @see SelectionListenerAction#updateSelection(IStructuredSelection)
	 */
	protected boolean updateSelection(IStructuredSelection selection) {
		return getViewer().isEnabled();
	}	
}