Package org.apache.tools.ant.gui

Source Code of org.apache.tools.ant.gui.MainFrame

/*
* 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.
*
* 4. The names "Ant" and "Apache Software
*    Foundation" must not be used to endorse or promote products derived
*    from this software without prior written permission. For written
*    permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
*    nor may "Apache" appear in their names without prior written
*    permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* 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;

import org.apache.tools.ant.gui.core.AppContext;
import org.apache.tools.ant.gui.core.PropertiesManager;

import org.apache.tools.ant.gui.event.ProjectClosedEvent;
import org.apache.tools.ant.gui.event.ProjectSelectedEvent;

import org.apache.tools.ant.gui.acs.ACSProjectElement;

import java.io.IOException;
import java.awt.Dimension;

/**
* The main frame for the application
*
* @version $Revision: 1.5 $
* @author Nick Davis
*/
public class MainFrame extends javax.swing.JFrame {
   
    private AppContext _context;
   
    /**
     * Standard Constructor
     *
     * @param title the frame's title
     */
    public MainFrame(String title) {
        super(title);
        initComponents();
    }

    /**
     *
     */
    private void initComponents() {
        enableEvents(java.awt.event.WindowEvent.WINDOW_CLOSING);
        pack();
    }

    /**
     * Called before window is closed.  Will close each
     * open project.  If there is a problem closing a
     * project, the window will not close.
     */
    private boolean exitForm(java.awt.event.WindowEvent evt) {
        boolean okToClose = true;
       
        ACSProjectElement[] projects = _context.getProjectManager().getOpen();
        while(projects.length > 0) {
            try {
                if ( _context.getProjectManager().close(projects[0]) == false) {
                    okToClose = false;
                    break;
                }
                _context.getEventBus().postEvent(
                    new ProjectClosedEvent(_context));

                ACSProjectElement[] open =
                    _context.getProjectManager().getOpen();
                if(open != null && open.length > 0) {
                    _context.getEventBus().postEvent(
                        new ProjectSelectedEvent(_context, open[0]));
                }
            } catch (IOException e) {
                e.printStackTrace();
                okToClose = false;
                break;
            }
           
            projects = _context.getProjectManager().getOpen();
        }

        return okToClose;
    }

    /**
     * Sets the application context
     */
    public void setContext(AppContext context) {
        _context = context;
    }

    /**
     * Save the window size for the next session
     */
    protected void persistSize () {
        Dimension d = getSize();
        PropertiesManager pm = _context.getPropertiesManager();
        pm.setProperty("MainFrame.height", new Integer(new Double(d.getHeight()).intValue()).toString());
        pm.setProperty("MainFrame.width", new Integer(new Double(d.getWidth()).intValue()).toString());
        try {
        _context.saveProperties();
        }
        catch (java.io.FileNotFoundException e) {
            // log it?
        }
        catch (java.io.IOException e) {
            // log it?
        }
    }
   
     /**
     * Restore the window size from the previous session
     */
    protected void restorePersistentSize () {
      PropertiesManager pm = _context.getPropertiesManager();
      try {
      setSize(pm.get_int_property("MainFrame.width"), pm.get_int_property("MainFrame.height"));
      }
      catch (PropertiesManager.NoSuchPropertyException e) {
       // Just means that it's never been saved to persistent properties yet.  
      }
     
      catch (PropertiesManager.InvalidIntPropertyException e) {
       // Should never occur unless user edited file and messed it up.
      }
    }
   
    /**
     * Intercept the window close event
     */
    protected void processWindowEvent(java.awt.event.WindowEvent windowEvent) {
        persistSize(); // Save window size for next session
        if (windowEvent.getID() == java.awt.event.WindowEvent.WINDOW_CLOSING) {
            if (exitForm(windowEvent)) {
                super.processWindowEvent(windowEvent);
            }
        }
    }
   
}
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