org.metawidget.vaadin.ui.layout.FormLayout Maven / Gradle / Ivy
// Metawidget (licensed under LGPL)
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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 );
}
}
}