Clover coverage report - Code Coverage for tapestry-contrib release 4.0-alpha-3
Coverage timestamp: Mon May 16 2005 09:12:41 EDT
file stats: LOC: 91   Methods: 5
NCLOC: 41   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
When.java 0% 0% 0% 0%
coverage
 1   
 // Copyright 2004, 2005 The Apache Software Foundation
 2   
 //
 3   
 // Licensed under the Apache License, Version 2.0 (the "License");
 4   
 // you may not use this file except in compliance with the License.
 5   
 // You may obtain a copy of the License at
 6   
 //
 7   
 //     http://www.apache.org/licenses/LICENSE-2.0
 8   
 //
 9   
 // Unless required by applicable law or agreed to in writing, software
 10   
 // distributed under the License is distributed on an "AS IS" BASIS,
 11   
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12   
 // See the License for the specific language governing permissions and
 13   
 // limitations under the License.
 14   
 
 15   
 package org.apache.tapestry.contrib.components;
 16   
 
 17   
 import org.apache.hivemind.ApplicationRuntimeException;
 18   
 import org.apache.tapestry.IMarkupWriter;
 19   
 import org.apache.tapestry.IRequestCycle;
 20   
 import org.apache.tapestry.Tapestry;
 21   
 import org.apache.tapestry.components.Conditional;
 22   
 
 23   
 /**
 24   
  *  Represents an alternative whithin a {@link Choose} component. 
 25   
  *  The default alternative is described by the Otherwise component.
 26   
  *
 27   
  *  [<a href="../../../../../../ComponentReference/contrib.When.html">Component Reference</a>]
 28   
  *
 29   
  *  @author David Solis
 30   
  * 
 31   
  **/
 32   
 public abstract class When extends Conditional
 33   
 {
 34   
     /** Parent of this component. */
 35   
 
 36   
     private Choose _choose;
 37   
 
 38   
     /**
 39   
      *  Renders its wrapped components only if the condition is true and its parent {@link Choose}
 40   
      *  allows it. In addition, if element is specified, can emulate that HTML element.
 41   
      *
 42   
      **/
 43   
 
 44  0
     protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
 45   
     {
 46  0
         Choose choose = getChoose();
 47   
 
 48  0
         if (choose == null)
 49  0
             throw new ApplicationRuntimeException(
 50   
                 Tapestry.getMessage("When.must-be-contained-by-choose"),
 51   
                 this,
 52   
                 null,
 53   
                 null);
 54   
 
 55  0
         if (!choose.isConditionMet() && getCondition())
 56   
         {
 57  0
             choose.setConditionMet(true);
 58  0
             super.renderComponent(writer, cycle);
 59   
         }
 60   
     }
 61   
 
 62  0
     protected boolean evaluateCondition()
 63   
     {
 64  0
         return true;
 65   
     }
 66   
 
 67  0
     public boolean getInvert()
 68   
     {
 69   
         // This component doesn't require invert parameter.
 70  0
         return false;
 71   
     }
 72   
 
 73   
     /**
 74   
      *  @return Choose
 75   
      */
 76  0
     public Choose getChoose()
 77   
     {
 78  0
         return _choose;
 79   
     }
 80   
 
 81   
     /**
 82   
      *  Sets the choose.
 83   
      *  @param value The choose to set
 84   
      */
 85  0
     public void setChoose(Choose value)
 86   
     {
 87  0
         _choose = value;
 88   
     }
 89   
 
 90   
 }
 91