com.izforge.izpack.panels.userinput.field.ChoiceField Maven / Gradle / Ivy
/*
* IzPack - Copyright 2001-2013 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* Copyright 2012 Tim Anderson
*
* 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 com.izforge.izpack.panels.userinput.field;
import java.util.List;
import com.izforge.izpack.api.data.InstallData;
/**
* A field with a number of pre-defined choices.
*
* @author Tim Anderson
*/
public abstract class ChoiceField extends Field
{
/**
* The available choices.
*/
private final List choices;
private final ChoiceFieldConfig config;
/**
* Constructs a {@code ChoiceField}.
*
* @param config the field configuration
* @param installData the installation data
*/
public ChoiceField(ChoiceFieldConfig config, InstallData installData)
{
super(config, installData);
this.config = config;
this.choices = config.getChoices();
}
/**
* Returns the choices.
*
* @return the choices. The key is the choice identifier, the value, the display text
*/
public List getChoices()
{
return choices;
}
/**
* Returns the selected choice.
*
* @return the selected choice, or {@code -1} if no choice is selected
*/
public int getSelectedIndex()
{
return config.getSelectedIndex(getVariable());
}
}