/**
* Copyright (C) cedarsoft GmbH.
*
* Licensed under the GNU General Public License version 3 (the "License")
* with Classpath Exception; you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.cedarsoft.org/gpl3ce
* (GPL 3 with Classpath Exception)
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3 only, as
* published by the Free Software Foundation. cedarsoft GmbH designates this
* particular file as subject to the "Classpath" exception as provided
* by cedarsoft GmbH in the LICENSE file that accompanied this code.
*
* This code 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
* version 3 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 3 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact cedarsoft GmbH, 72810 Gomaringen, Germany,
* or visit www.cedarsoft.com if you need additional information or
* have any questions.
*/
package com.cedarsoft.swing.presenter;
import com.cedarsoft.commons.struct.StructPart;
import com.cedarsoft.lookup.Lookup;
import com.cedarsoft.lookup.binding.PropertyCallback;
import com.cedarsoft.presenter.Presenter;
import com.cedarsoft.swing.presenter.model.StructBasedComboBoxModel;
import javax.annotation.Nonnull;
import javax.swing.Action;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JList;
import javax.swing.ListCellRenderer;
import java.awt.Component;
/**
* Creates a combo box
*
* @author Johannes Schneider (<a href=mailto:js@cedarsoft.com>js@cedarsoft.com</a>)
*/
public class JComboBoxPresenter extends SwingPresenter<JComboBox> {
/**
* Constant <code>PROPERTY_ACTION="action"</code>
*/
@Nonnull
public static final String PROPERTY_ACTION = "action";
/**
* Constant <code>PROPERTY_RENDERER="renderer"</code>
*/
@Nonnull
public static final String PROPERTY_RENDERER = "renderer";
@Nonnull
private static final Object KEY_ACTION_CALLBACK = JComboBoxPresenter.class.getName() + "###ActionCallback";
@Nonnull
private static final Object KEY_RENDERER_CALLBACK = JComboBoxPresenter.class.getName() + "###RendererCallback";
/**
* {@inheritDoc}
*/
@Override
@Nonnull
protected Presenter<? extends JComponent> getChildPresenter( @Nonnull StructPart child ) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
@Override
protected boolean shallAddChildren() {
return false;
}
/**
* {@inheritDoc}
*/
@Override
protected void bind( @Nonnull JComboBox presentation, @Nonnull StructPart struct, @Nonnull Lookup lookup ) {
{
PropertyCallback<Action> callback = new PropertyCallback<Action>( presentation, PROPERTY_ACTION, Action.class );
lookup.bindWeak( callback );
presentation.putClientProperty( KEY_ACTION_CALLBACK, callback );
}
//sets a renderer
{
PropertyCallback<ListCellRenderer> callback = new PropertyCallback<ListCellRenderer>( presentation, PROPERTY_RENDERER, ListCellRenderer.class );
lookup.bindWeak( callback );
presentation.putClientProperty( KEY_RENDERER_CALLBACK, callback );
}
if ( lookup.lookup( ListCellRenderer.class ) == null ) {
presentation.setRenderer( new StructDefaultCellRenderer() );
}
//set the model
presentation.setModel( new StructBasedComboBoxModel( struct ) );
}
/**
* {@inheritDoc}
*/
@Override
@Nonnull
protected JComboBox createPresentation() {
return new JComboBox();
}
/**
* Default list cell renderer that uses the name of the node as representation
*/
public static class StructDefaultCellRenderer extends DefaultListCellRenderer {
@Override
public Component getListCellRendererComponent( JList list, Object value, int index, boolean isSelected, boolean cellHasFocus ) {
super.getListCellRendererComponent( list, value, index, isSelected, cellHasFocus );
if ( value instanceof StructPart ) {
setText( ( ( StructPart ) value ).getName() );
}
return this;
}
}
}