org.metawidget.vaadin.ui.layout.FormLayout Maven / Gradle / Ivy
// Metawidget
//
// For historical reasons, this file is licensed under the LGPL
// (http://www.gnu.org/licenses/lgpl-2.1.html).
//
// Most other files in Metawidget are licensed under both the
// LGPL/EPL and a commercial license. See http://metawidget.org
// for details.
package org.metawidget.vaadin.ui.layout;
import java.util.Map;
import org.metawidget.layout.iface.AdvancedLayout;
import org.metawidget.vaadin.ui.Facet;
import org.metawidget.vaadin.ui.Stub;
import org.metawidget.vaadin.ui.VaadinMetawidget;
import com.vaadin.ui.Button;
import com.vaadin.ui.CheckBox;
import com.vaadin.ui.Component;
import com.vaadin.ui.ComponentContainer;
/**
* Layout to arrange widgets using Vaadin's FormLayout.
*
* @author Loghman Barari
*/
public class FormLayout
implements AdvancedLayout {
//
// Private members
//
private final String mLabelSuffix;
//
// Constructor
//
public FormLayout() {
this( new FormLayoutConfig() );
}
public FormLayout( FormLayoutConfig config ) {
mLabelSuffix = config.getLabelSuffix();
}
//
// Public methods
//
public void onStartBuild( VaadinMetawidget metawidget ) {
// Do nothing
}
public void startContainerLayout( ComponentContainer container, VaadinMetawidget metawidget ) {
com.vaadin.ui.FormLayout layout = new com.vaadin.ui.FormLayout();
container.addComponent( layout );
}
public void layoutWidget( Component component, String elementName, Map attributes, ComponentContainer container, VaadinMetawidget metawidget ) {
// Do not render empty stubs
if ( component instanceof Stub && !( (Stub) component ).getComponentIterator().hasNext() ) {
return;
}
// Fix caption
if ( component.getCaption() != null && component.getCaption().length() != 0 && mLabelSuffix != null && mLabelSuffix.length() != 0 ) {
if ( !( component instanceof Button ) || component instanceof CheckBox ) {
component.setCaption( component.getCaption() + mLabelSuffix );
}
}
// Add it
com.vaadin.ui.FormLayout layout = (com.vaadin.ui.FormLayout) container.getComponentIterator().next();
component.setWidth( "100%" );
layout.addComponent( component );
}
public void endContainerLayout( ComponentContainer container, VaadinMetawidget metawidget ) {
// Do nothing
}
public void onEndBuild( VaadinMetawidget metawidget ) {
// Buttons
Facet buttonsFacet = metawidget.getFacet( "buttons" );
if ( buttonsFacet != null ) {
com.vaadin.ui.FormLayout layout = (com.vaadin.ui.FormLayout) metawidget.getComponentIterator().next();
layout.addComponent( buttonsFacet );
}
}
}