| /* |
| * Copyright 2011 Marc Grue. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| * implied. |
| * |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.qi4j.sample.dcicargo.sample_b.infrastructure.wicket.form; |
| |
| import java.util.List; |
| import org.apache.wicket.markup.html.form.DropDownChoice; |
| import org.apache.wicket.markup.html.form.Form; |
| import org.apache.wicket.model.Model; |
| import org.apache.wicket.model.PropertyModel; |
| import org.apache.wicket.model.util.ListModel; |
| |
| /** |
| * SelectorInForm |
| * |
| * Convenience drop down list that resolves properties against a form. |
| */ |
| public class SelectorInForm extends DropDownChoice<String> |
| { |
| PropertyModel<String> disablingPropertyModel; |
| String disablingValue = ""; |
| |
| public SelectorInForm( String property, String label, List<String> choices, Form form ) |
| { |
| super( property + "Selector", new PropertyModel<String>( form, property ), new ListModel<String>( choices ) ); |
| setNonEmptyLabel( label ); |
| setOutputMarkupId( true ); |
| } |
| |
| public SelectorInForm( String property, String label, List<String> choices, Form form, String disablingProperty ) |
| { |
| super( property + "Selector", new PropertyModel<String>( form, property ), new ListModel<String>( choices ) ); |
| disablingPropertyModel = new PropertyModel<String>( form, disablingProperty ); |
| setNonEmptyLabel( label ); |
| setOutputMarkupId( true ); |
| } |
| |
| private void setNonEmptyLabel( String label ) |
| { |
| if( label == null ) |
| { |
| return; |
| } |
| |
| if( label.isEmpty() ) |
| { |
| throw new IllegalArgumentException( "Can't set an empty label on the drop down selector." ); |
| } |
| |
| setLabel( Model.of( label ) ); |
| } |
| |
| @Override |
| protected boolean isDisabled( final String currentValue, int index, String selected ) |
| { |
| if( disablingPropertyModel != null ) |
| { |
| disablingValue = disablingPropertyModel.getObject(); |
| } |
| |
| return currentValue.equals( disablingValue ); |
| } |
| } |