src/antidote/org/apache/tools/ant/gui/command/OpenCmd.java

/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999, 2000 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
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 * 4. The names "The Jakarta Project", "Ant", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */
package org.apache.tools.ant.gui.command;
import org.apache.tools.ant.gui.core.AppContext;
import org.apache.tools.ant.gui.event.OpenRequestEvent;
import org.apache.tools.ant.gui.core.XMLFileFilter;
import javax.swing.JFileChooser;
import javax.swing.filechooser.FileFilter;
import java.io.File;

/**
 * Command to execute the opening of a file. A dialog is presented to the
 * user for selecting a build file to open. If a file is selected then an
 * OpenRequestEvent is posted.
 * 
 * @version $Revision$ 
 * @author Simeon Fitch 
 */
public class OpenCmd extends AbstractCommand {
	/** 
	 * Standard ctor.
	 * 
	 * @param context Application context.
	 */
    public OpenCmd(AppContext context) {
        super(context);
    }

	/** 
	 * Display a dialog asking the user to select a file to open.
     * If one is selected then an event is posted requesting the open 
     * operation be completed.
	 * 
	 */
    public void run() {
        FileFilter filter = new XMLFileFilter(getContext().getResources());

        JFileChooser chooser = new JFileChooser();
        chooser.addChoosableFileFilter(filter);
        int val = chooser.showOpenDialog(getContext().getParentFrame());
        if(val == JFileChooser.APPROVE_OPTION) {
            File selected = chooser.getSelectedFile();
            getContext().getEventBus().postEvent(
                new OpenRequestEvent(getContext(), selected));
        }
    }
}