NewSQLWorksheetAction.java

package net.sourceforge.squirrel_sql.client.session.action;
/*
 * Copyright (C) 2003-2004 Jason Height
 * jmheight@users.sourceforge.net
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
import java.awt.event.ActionEvent;

import net.sourceforge.squirrel_sql.client.IApplication;
import net.sourceforge.squirrel_sql.client.action.SquirrelAction;
import net.sourceforge.squirrel_sql.client.session.ISession;
import net.sourceforge.squirrel_sql.fw.gui.GUIUtils;
/**
 * This <CODE>Action</CODE> displays a new SQL Worksheet.
 *
 * @author <A HREF="mailto:jmheight@users.sourceforge.net">Jason Height</A>
 */
public class NewSQLWorksheetAction extends SquirrelAction implements ISessionAction
{
   private ISession _session;

   /**
    * Ctor.
    *
    * @param	app	 Application API.
    *
    * @throws		IllegalArgumentException
    *				Thrown if a <TT>null</TT> <TT>IApplication</TT> passed.
    */
   public NewSQLWorksheetAction(IApplication app)
   {
      super(app);
      if (app == null)
      {
         throw new IllegalArgumentException("Null IApplication passed");
      }

      setEnabled(false);
   }

	/**
	 * Display a new worksheet.
	 *
	 * @param	evt	 The event being processed.
	 */
	public void actionPerformed(ActionEvent evt)
	{
		getApplication().getWindowManager().createSQLInternalFrame(_session);
	}

   public void setSession(ISession session)
   {
      _session = session;
      GUIUtils.processOnSwingEventThread(new Runnable() {
          public void run() {
              setEnabled(null != _session);
          }
      });
   }
}