/*
 
* Copyright (c) 2016, Metron, Inc.
 
* All rights reserved.
 
*
 
* Redistribution and use in source and binary forms, with or without
 
* modification, are permitted provided that the following conditions are met:
 
*
     
* Redistributions of source code must retain the above copyright
 
*
       
notice, this list of conditions and the following disclaimer.
 
*
     
* 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.
 
*
     
* Neither the name of Metron, Inc. nor the
 
*
       
names of its contributors may be used to endorse or promote products
 
*
       
derived from this software without specific prior written permission.
 
*
 
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 
* ANY EXPRESS 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 METRON, INC. 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.
 
*/
package com.metsci.glimpse.axis.listener.touch;

import com.metsci.glimpse.axis.Axis1D;
import com.metsci.glimpse.axis.Axis2D;
import com.metsci.glimpse.context.GlimpseTarget;
import com.metsci.glimpse.context.GlimpseTargetStack;
import com.metsci.glimpse.event.touch.GlimpseLongPressGestureEvent;
import com.metsci.glimpse.event.touch.GlimpsePanGestureEvent;
import com.metsci.glimpse.event.touch.GlimpsePinchGestureEvent;
import com.metsci.glimpse.event.touch.GlimpseSwipeGestureEvent;
import com.metsci.glimpse.event.touch.GlimpseTapGestureEvent;
import com.metsci.glimpse.layout.GlimpseAxisLayout2D;

/**
 
* An AxisGestureListener for use with GlimpseAxisLayout2D.
 
*
 
* @author ulman
 
* @see com.metsci.glimpse.layout.GlimpseAxisLayout2D
 
*/

public class AxisGestureListener2D extends AxisGestureListener
{
    
protected GlimpseAxisLayout2D getAxisLayout( GlimpseTargetStack stack )
    
{
        
GlimpseTarget target = stack.getTarget( );

        
if ( target instanceof GlimpseAxisLayout2D )
        
{
            
return ( GlimpseAxisLayout2D ) target;
        
}
        
else
        
{
            
return null;
        
}
    
}

    
@Override
    
public void panDetected( GlimpsePanGestureEvent event )
    
{
        
GlimpseAxisLayout2D layout = getAxisLayout( event.getTargetStack( ) );
        
if ( layout == null ) return;

        
Axis2D targetAxis = layout.getAxis( event.getTargetStack( ) );
        
pan( targetAxis.getAxisX( ), true, event.getDx( ), event.getDy( ) );
        
pan( targetAxis.getAxisY( ), false, event.getDx( ), event.getDy( ) );

        
applyAndUpdate( targetAxis.getAxisX( ), targetAxis.getAxisY( ) );
    
}

    
@Override
    
public void pinchDetected( GlimpsePinchGestureEvent event )
    
{
        
GlimpseAxisLayout2D layout = getAxisLayout( event.getTargetStack( ) );
        
if ( layout == null ) return;

        
float scaleX = getScale( true, event.getScale( ), event.getAngle( ) );
        
float scaleY = getScale( false, event.getScale( ), event.getAngle( ) );

        
Axis2D targetAxis = layout.getAxis( event.getTargetStack( ) );
        
zoom( targetAxis.getAxisX( ), true, event.getX( ), event.getX( ), scaleX );
        
zoom( targetAxis.getAxisY( ), false, event.getX( ), event.getX( ), scaleY );

        
applyAndUpdate( targetAxis.getAxisX( ), targetAxis.getAxisY( ) );
    
}

    
public void applyAndUpdate( Axis1D axisX, Axis1D axisY )
    
{
        
axisX.applyConstraints( );
        
axisY.applyConstraints( );

        
axisX.updateLinkedAxes( axisY );
        
axisY.updateLinkedAxes( );
    
}

    
@Override
    
public void tapDetected( GlimpseTapGestureEvent event )
    
{
        
GlimpseAxisLayout2D layout = getAxisLayout( event.getTargetStack( ) );
        
if ( layout == null ) return;

        
Axis2D targetAxis = layout.getAxis( event.getTargetStack( ) );
        
select( targetAxis.getAxisX( ), true, event.getX( ), event.getY( ) );
        
select( targetAxis.getAxisY( ), false, event.getX( ), event.getY( ) );

        
applyAndUpdate( targetAxis.getAxisX( ), targetAxis.getAxisY( ) );
    
}

    
@Override
    
public void longPressDetected( GlimpseLongPressGestureEvent event )
    
{
    
}

    
@Override
    
public void swipeDetected( GlimpseSwipeGestureEvent event )
    
{
    
}
}