| // 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.bean; |
| |
| /** |
| * Used to emit a stream of alterating string values: "even", "odd", etc. This |
| * is often used in the Inspector pages to make the class of a <tr> alternate |
| * for presentation reasons. |
| * |
| * @version $Id$ |
| * @author Howard Lewis Ship |
| * |
| **/ |
| |
| public class EvenOdd |
| { |
| private boolean even = true; |
| |
| /** |
| * Returns "even" or "odd". Whatever it returns on one invocation, it will |
| * return the opposite on the next. By default, the first value |
| * returned is "even". |
| * |
| **/ |
| |
| public String getNext() |
| { |
| String result = even ? "even" : "odd"; |
| |
| even = !even; |
| |
| return result; |
| } |
| |
| public boolean isEven() |
| { |
| return even; |
| } |
| |
| /** |
| * Overrides the even flag. |
| * |
| **/ |
| |
| public void setEven(boolean value) |
| { |
| even = value; |
| } |
| } |