org.metawidget.swt.layout.RowLayout Maven / Gradle / Ivy
// Metawidget
//
// This file is dual licensed under both the LGPL
// (http://www.gnu.org/licenses/lgpl-2.1.html) and the EPL
// (http://www.eclipse.org/org/documents/epl-v10.php). As a
// recipient of Metawidget, you may choose to receive it under either
// the LGPL or the EPL.
//
// Commercial licenses are also available. See http://metawidget.org
// for details.
package org.metawidget.swt.layout;
import java.util.Map;
import org.eclipse.swt.layout.RowData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.metawidget.layout.iface.AdvancedLayout;
import org.metawidget.swt.Stub;
import org.metawidget.swt.SwtMetawidget;
/**
* Layout to simply output components one after another, with no labels and no structure, using
* org.eclipse.swt.layout.RowLayout.
*
* This is like FillLayout, except it does not fill width. It can be useful for button
* bars.
*
* @author Richard Kennard
*/
public class RowLayout
implements AdvancedLayout {
//
// Public methods
//
public void onStartBuild( SwtMetawidget metawidget ) {
// Do nothing
}
public void startContainerLayout( Composite container, SwtMetawidget metawidget ) {
container.setLayout( new org.eclipse.swt.layout.RowLayout() );
}
public void layoutWidget( Control control, String elementName, Map attributes, Composite container, SwtMetawidget metawidget ) {
// Do not layout space for empty stubs
if ( control instanceof Stub && ( (Stub) control ).getChildren().length == 0 ) {
RowData stubData = new RowData();
stubData.exclude = true;
control.setLayoutData( stubData );
return;
}
// Do nothing
}
public void endContainerLayout( Composite container, SwtMetawidget metawidget ) {
// Do nothing
}
public void onEndBuild( SwtMetawidget metawidget ) {
// Do nothing
}
}