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/*
* Copyright (c) 2005-2006 Laf-Widget Kirill Grouchnikov. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of Laf-Widget Kirill Grouchnikov 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 THE COPYRIGHT OWNER OR
* 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.
*/
package org.jvnet.lafwidget.tree.dnd;
import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Insets;
import java.net.URL;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.border.Border;
/**
* DnDBorderFactory is responsible for creating node borders used under
* different drag and drop operations.
* @author Antonio Vieiro ([email protected]), $Author: kirillcool $
* @version $Revision: 1.7 $
*/
class DnDBorderFactory
{
/**
* DropAllowedBorder is a Border that indicates that something is being
* droped on top of a valid node.
* @author Antonio Vieiro ([email protected]), $Author: kirillcool $
* @version $Revision: 1.7 $
*/
static class DropAllowedBorder
implements Border
{
private static Insets insets = new Insets(0,0,3,0);
private ImageIcon plusIcon;
/**
* Creates a new instance of DropAllowedBorder
*/
public DropAllowedBorder()
{
URL iconURL = DropAllowedBorder.class.getResource( "icons/drop-on-leaf.png" );
if ( iconURL != null )
this.plusIcon = new ImageIcon( iconURL );
}
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height)
{
int yh = y+height-1;
if( this.plusIcon != null )
{
this.plusIcon.paintIcon( c, g, x+8, yh-8 );
}
yh-=4;
g.setColor( Color.DARK_GRAY );
g.drawLine( x+24, yh, x+48, yh );
}
public Insets getBorderInsets(Component c)
{
return DropAllowedBorder.insets;
}
public boolean isBorderOpaque()
{
return false;
}
}
/**
* OffsetBorder is a Border that contains an offset.
* This is used to "separate" the node under the drop.
* @author Antonio Vieiro ([email protected]), $Author: kirillcool $
* @version $Revision: 1.7 $
*/
class OffsetBorder
implements Border
{
private Insets insets = new Insets(5,0,0,0);
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height)
{
// empty
}
public Insets getBorderInsets(Component c)
{
return this.insets;
}
public boolean isBorderOpaque()
{
return false;
}
}
/**
* DropOnNodeBorder is a Border that indicates that something cannot be
* dropped here.
* @author Antonio Vieiro ([email protected]), $Author: kirillcool $
* @version $Revision: 1.7 $
*/
class DropNotAllowedBorder
implements Border
{
private Insets insets = new Insets(0,0,0,0);
private ImageIcon plusIcon;
/**
* Creates a new instance of DropOnNodeBorder
*/
public DropNotAllowedBorder()
{
URL iconURL = DnDBorderFactory.class.getResource( "icons/drop-not-allowed.png" );
if ( iconURL != null )
this.plusIcon = new ImageIcon( iconURL );
}
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height)
{
if( this.plusIcon != null )
{
this.plusIcon.paintIcon( c, g, x, y );
}
// g.setColor( Color.RED );
// g.drawRect( x, y, width-1, height-1 );
}
public Insets getBorderInsets(Component c)
{
return this.insets;
}
public boolean isBorderOpaque()
{
return false;
}
}
/**
* Creates a new instance of DnDBorderFactory
*/
public DnDBorderFactory()
{
this.setDropAllowedBorder( new DropAllowedBorder() ); // DropOnFolderBorder() );
this.setDropNotAllowedBorder( new DropNotAllowedBorder() );
this.setOffsetBorder( new OffsetBorder() );
this.setEmptyBorder( BorderFactory.createEmptyBorder() );
}
/**
* Holds value of property dropAllowedBorder.
*/
private Border dropAllowedBorder;
/**
* Getter for property dropAllowedBorder.
*
* @return Value of property dropAllowedBorder.
*/
public Border getDropAllowedBorder()
{
return this.dropAllowedBorder;
}
/**
* Setter for property dropAllowedBorder.
*
* @param dropAllowedBorder New value of property dropAllowedBorder.
*/
public void setDropAllowedBorder(Border dropAllowedBorder)
{
this.dropAllowedBorder = dropAllowedBorder;
}
/**
* Holds value of property dropNotAllowedBorder.
*/
private Border dropNotAllowedBorder;
/**
* Getter for property dropNotAllowedBorder.
* @return Value of property dropNotAllowedBorder.
*/
public Border getDropNotAllowedBorder()
{
return this.dropNotAllowedBorder;
}
/**
* Setter for property dropNotAllowedBorder.
* @param dropNotAllowedBorder New value of property dropNotAllowedBorder.
*/
public void setDropNotAllowedBorder(Border dropNotAllowedBorder)
{
this.dropNotAllowedBorder = dropNotAllowedBorder;
}
/**
* Holds value of property offsetBorder.
*/
private Border offsetBorder;
/**
* Getter for property offsetBorder.
* @return Value of property offsetBorder.
*/
public Border getOffsetBorder()
{
return this.offsetBorder;
}
/**
* Setter for property offsetBorder.
* @param offsetBorder New value of property offsetBorder.
*/
public void setOffsetBorder(Border offsetBorder)
{
this.offsetBorder = offsetBorder;
}
private Border emptyBorder;
public Border getEmptyBorder()
{
return this.emptyBorder;
}
public void setEmptyBorder( Border anEmptyBorder )
{
this.emptyBorder = anEmptyBorder;
}
}
