/*=============================================================================
|
| NAME
|  
|     MouseHandler.java
|
| DESCRIPTION
|  
|
| LEGAL
|
|     Prentice Version 1.1 - An Artist's Software Apprentice.
|     Copyright (C) 2003-2008 by Sean Erik O'Connor.  All Rights Reserved.
|     
|     This program is free software; you can redistribute it and/or
|     modify it under the terms of the GNU General Public License
|     as published by the Free Software Foundation;  version 2
|     of the License.
|     
|     This program 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 General Public License for more details.
|     
|     You should have received a copy of the GNU General Public License
|     along with this program; if not, write to the Free Software
|     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
|     
|     The author's address is artifex@seanerikoconnor.freeservers.com. 
|
+============================================================================*/

package View ;        // Package name for this project.

import java.awt.* ;             // AWT basic window handling.
import java.awt.event.* ;       // AWT basic event handling.
import java.awt.geom.* ;        // 2D graphics.
import java.awt.image.* ;       // Images and operations.
import javax.swing.* ;          // Swing main GUI package.
import javax.swing.event.* ;    // Swing GUI event handling.

import Prentice.* ; // Prentice stuff.
import Model.* ;

// Handles both mouse motion and events.
class MouseHandler extends MouseInputAdapter
{
    // Handle to the application.
    private Prentice app ;

    // Line to be drawn.
    private Line2D.Double l ;

    public MouseHandler( Prentice app )
    {
        DebugLog.print( "Entering MouseHandler " ) ;
        DebugLog.print( "  app = " + app ) ;

        this.app = app ;

        l = new Line2D.Double() ;
    }

    public Line2D.Double getLine()
    {
        return l ;
    }
    
    public void mousePressed( MouseEvent e )
    {

        if (e.getButton() == MouseEvent.BUTTON1)
        {
            Point start = e.getPoint() ;

            DebugLog.print( "Mouse left button pushed at " + 
                      start.x + " " + start.y ) ;

   //         app.getModel().update() ; // Call the model and update it.
   //         System.out.println( "Calling update wireframe graphics model");
        }
    }

    // 
    public void mouseDragged( MouseEvent e )
    {
        Point middle = e.getPoint() ;

            DebugLog.print( "Mouse left button dragged at " + 
                      middle.x + " " + middle.y ) ;

        l.setLine( 0.0, 0.0, (double)middle.x, (double)middle.y ) ;

        //The user is dragging us, so scroll!
        Rectangle r = new Rectangle(e.getX(), e.getY(), 1, 1) ;

        // Scroll such that this rectangle is visible.
        app.getView().getScrollableImage().scrollRectToVisible( r ) ;

        // From the application, get the view and force a repaint of it. 
        app.getView().repaint() ;
    }

    // Mouse up.
    public void mouseReleased( MouseEvent e )
    {
        if (e.getButton() == MouseEvent.BUTTON1)
        {
            Point end = e.getPoint() ;

            DebugLog.print( "Mouse left button released at " + 
                      end.x + " " + end.y ) ;
        }
    }
}