VexActionAdapter.java

/*******************************************************************************
 * Copyright (c) 2004, 2008 John Krasnay 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:
 *     John Krasnay - initial API and implementation
 *******************************************************************************/
package net.sf.vex.editor.action;

import net.sf.vex.action.IVexAction;
import net.sf.vex.editor.Messages;
import net.sf.vex.editor.ae.IAEVexDialog;
import net.sf.vex.swt.VexWidget;

import org.eclipse.jface.action.Action;

/**
 * Adapts a JFace Action to an IVexAction instance. The ID and definition ID of 
 * the resulting action is set to the classname of the action. Localized
 * strings for the action are pulled from the classname of the given action. For example,
 * if the action is "net.sf.vex.action.PasteTextAction", the following properties
 * are retrieved from plugin.xml:
 * 
 * <dl>
 *   <dt>PasteTextAction.label</dt>
 *   <dd>The action's label.</dd>
 *   <dt>PasteTextAction.tooltip</dt>
 *   <dd>The action's tooltip.</dd>
 * </dl>
 */
public class VexActionAdapter extends Action {

    /**
     * Class constructor.
     * @param editor VexEditor to which the action will apply.
     * @param action IVexAction to be invoked.
     */
	public VexActionAdapter(IAEVexDialog editor, IVexAction action)
	{
        
        this.editor = editor;
        this.action = action;
        
        String id = action.getClass().getName();
        int i = id.lastIndexOf("."); //$NON-NLS-1$
        String key = id.substring(i+1);

        this.setId(id);
        this.setActionDefinitionId(id);
        this.setText(Messages.getString(key + ".label")); //$NON-NLS-1$
        this.setToolTipText(Messages.getString(key + ".tooltip")); //$NON-NLS-1$
    }

    
    public void run() {
        VexWidget vexWidget = this.editor.getVexWidget();
        if (vexWidget != null) {
            this.action.run(vexWidget);
        }
    }
    
	private IAEVexDialog editor;
    private IVexAction action;
}