/*
* PrintPreviewPane.java
* :tabSize=4:indentSize=4:noTabs=false:
* :folding=explicit:collapseFolds=1:
*
* Copyright (C) 2016 Dale Anson
*
* 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; either version 2
* of the License, or any later version.
*
* 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.
*/
package org.gjt.sp.jedit.print;
import java.util.HashSet;
import java.util.Set;
import javax.swing.JComponent;
import javax.swing.UIManager;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
/**
* Custom component to display the current page of the current buffer.
*/
public class PrintPreviewPane extends JComponent
{
private static final String uiClassID = "PrintPreviewPaneUI";
private PrintPreviewModel printPreviewModel = null;
private Set<ChangeListener> changeListeners = new HashSet<ChangeListener>();
public PrintPreviewPane()
{
updateUI();
}
public void updateUI()
{
if ( UIManager.get( getUIClassID() ) != null )
{
setUI( ( PrintPreviewPaneUI )UIManager.getUI( this ) );
}
else
{
setUI( new BasicPrintPreviewPaneUI() );
}
fireStateChanged();
}
public PrintPreviewPaneUI getUI()
{
return ( PrintPreviewPaneUI )ui;
}
public String getUIClassID()
{
return uiClassID;
}
public void addChangeListener( ChangeListener cl )
{
if ( cl != null )
{
changeListeners.add( cl );
}
}
public void removeChangeListener( ChangeListener cl )
{
if ( cl != null )
{
changeListeners.remove( cl );
}
}
public void fireStateChanged()
{
if ( changeListeners.size() > 0 )
{
ChangeEvent event = new ChangeEvent( this );
for ( ChangeListener cl : changeListeners )
{
cl.stateChanged( event );
}
}
}
public void setModel( PrintPreviewModel model )
{
printPreviewModel = model;
fireStateChanged();
}
public PrintPreviewModel getModel()
{
return printPreviewModel;
}
public void clear()
{
setModel( null );
}
public void reset()
{
fireStateChanged();
}
}