/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.wicket.examples.forminput;
import org.apache.wicket.markup.html.form.FormComponentPanel;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.PropertyModel;
/**
* Displays how a {@link FormComponentPanel} can be used. Needs a model that resolves to an Integer
* object.
* <p>
* Note that setting a new model value for this example wouldn't make sense, as it would mismatch
* with the lhs and rhs. You would use this component's model (value) primarily to write the result
* to some object, without ever directly setting it in code yourself.
* </p>
*
* @author eelcohillenius
*/
public class Multiply extends FormComponentPanel<Integer>
{
private TextField<Integer> left;
private int lhs = 0;
private int rhs = 0;
private TextField<Integer> right;
/**
* Construct.
*
* @param id
* The component id
*/
public Multiply(String id)
{
super(id);
init();
}
/**
* Construct.
*
* @param id
* The component id
* @param model
* The model
*/
public Multiply(String id, IModel<Integer> model)
{
super(id, model);
init();
}
/**
* @return gets lhs
*/
public int getLhs()
{
return lhs;
}
/**
* @return gets rhs
*/
public int getRhs()
{
return rhs;
}
/**
* @param lhs
* the lhs to set
*/
public void setLhs(int lhs)
{
this.lhs = lhs;
}
/**
* @param rhs
* the rhs to set
*/
public void setRhs(int rhs)
{
this.rhs = rhs;
}
private void init()
{
add(left = new TextField<>("left", new PropertyModel<>(this, "lhs")));
add(right = new TextField<>("right", new PropertyModel<>(this, "rhs")));
left.setRequired(true);
right.setRequired(true);
}
/**
* @see org.apache.wicket.markup.html.form.FormComponent#convertInput()
*/
@Override
public void convertInput()
{
// note that earlier versions did override updateModel, which looked
// somewhat better, but wasn't useful for when you want to do
// validations with either normal validators or form validators
Integer lhs = left.getConvertedInput();
Integer rhs = right.getConvertedInput();
setConvertedInput(lhs * rhs);
}
}