| // Copyright 2004 The Apache Software Foundation |
| // |
| // 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.apache.tapestry.form; |
| |
| /** |
| * Implementation of {@link IPropertySelectionModel} that allows one String from |
| * an array of Strings to be selected as the property. |
| * |
| * <p>Uses a simple index number as the value (used to represent the selected String). |
| * This assumes that the possible values for the Strings will remain constant between |
| * request cycles. |
| * |
| * @version $Id$ |
| * @author Howard Lewis Ship |
| * |
| **/ |
| |
| public class StringPropertySelectionModel implements IPropertySelectionModel |
| { |
| private String[] options; |
| |
| /** |
| * Standard constructor. |
| * |
| * The options are retained (not copied). |
| **/ |
| |
| public StringPropertySelectionModel(String[] options) |
| { |
| this.options = options; |
| } |
| |
| public int getOptionCount() |
| { |
| return options.length; |
| } |
| |
| public Object getOption(int index) |
| { |
| return options[index]; |
| } |
| |
| /** |
| * Labels match options. |
| * |
| **/ |
| |
| public String getLabel(int index) |
| { |
| return options[index]; |
| } |
| |
| /** |
| * Values are indexes into the array of options. |
| * |
| **/ |
| |
| public String getValue(int index) |
| { |
| return Integer.toString(index); |
| } |
| |
| public Object translateValue(String value) |
| { |
| int index; |
| |
| index = Integer.parseInt(value); |
| |
| return options[index]; |
| } |
| |
| } |