package com.cedarsoft.presenter;
import com.cedarsoft.commons.struct.StructPart;
import com.cedarsoft.lookup.Lookup;
import com.cedarsoft.lookup.binding.PropertyCallback;
import com.cedarsoft.presenter.model.StructBasedComboBoxModel;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
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
*/
public class JComboBoxPresenter extends SwingPresenter<JComboBox> {
@NotNull
@NonNls
public static final String PROPERTY_ACTION = "action";
@NotNull
@NonNls
public static final String PROPERTY_RENDERER = "renderer";
@NotNull
@NonNls
private static final Object KEY_ACTION_CALLBACK = JComboBoxPresenter.class.getName() + "###ActionCallback";
@NotNull
@NonNls
private static final Object KEY_RENDERER_CALLBACK = JComboBoxPresenter.class.getName() + "###RendererCallback";
@Override
@NotNull
protected Presenter<? extends JComponent> getChildPresenter( @NotNull StructPart child ) {
throw new UnsupportedOperationException();
}
@Override
protected boolean shallAddChildren() {
return false;
}
@Override
protected void bind( @NotNull JComboBox presentation, @NotNull StructPart struct, @NotNull 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 ) );
}
@Override
@NotNull
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;
}
}
}