Coverage Report - org.apache.tapestry.form.Button
 
Classes in this File Line Coverage Branch Coverage Complexity
Button
0%
0/17
0%
0/4
1.4
 
 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.form;
 16  
 
 17  
 import org.apache.tapestry.IMarkupWriter;
 18  
 import org.apache.tapestry.IRequestCycle;
 19  
 
 20  
 /**
 21  
  * Implements a component that manages an HTML &lt;button&gt; form element. [ <a
 22  
  * href="../../../../../components/form/button.html">Component Reference </a>]
 23  
  * <p>
 24  
  * This component is useful for attaching JavaScript onclick event handlers.
 25  
  * 
 26  
  * @author Howard Lewis Ship
 27  
  * @author Paul Geerts
 28  
  * @author Malcolm Edgar
 29  
  * @author Paul Ferraro
 30  
  */
 31  0
 public abstract class Button extends AbstractFormComponent
 32  
 {
 33  
     /**
 34  
      * @see org.apache.tapestry.form.AbstractFormComponent#renderFormComponent(org.apache.tapestry.IMarkupWriter,
 35  
      *      org.apache.tapestry.IRequestCycle)
 36  
      */
 37  
     protected void renderFormComponent(IMarkupWriter writer, IRequestCycle cycle)
 38  
     {
 39  0
         writer.begin("button");
 40  0
         writer.attribute("type", "button");
 41  0
         writer.attribute("name", getName());
 42  
 
 43  0
         if (isDisabled())
 44  
         {
 45  0
             writer.attribute("disabled", "disabled");
 46  
         }
 47  
 
 48  0
         renderIdAttribute(writer, cycle);
 49  
 
 50  0
         renderInformalParameters(writer, cycle);
 51  
 
 52  0
         String label = getLabel();
 53  
 
 54  0
         if (label != null)
 55  0
             writer.print(label);
 56  
         else
 57  0
             renderBody(writer, cycle);
 58  
 
 59  0
         writer.end();
 60  0
     }
 61  
 
 62  
     /**
 63  
      * @see org.apache.tapestry.form.AbstractFormComponent#rewindFormComponent(org.apache.tapestry.IMarkupWriter, org.apache.tapestry.IRequestCycle)
 64  
      */
 65  
     protected void rewindFormComponent(IMarkupWriter writer, IRequestCycle cycle)
 66  
     {
 67  
         // Do nothing
 68  0
     }
 69  
     
 70  
     /**
 71  
      * @see org.apache.tapestry.form.IFormComponent#getDisplayName()
 72  
      */
 73  
     public String getDisplayName()
 74  
     {
 75  0
         return null;
 76  
     }
 77  
 
 78  
     /**
 79  
      * @see org.apache.tapestry.form.IFormComponent#isDisabled()
 80  
      */
 81  
     public boolean isDisabled()
 82  
     {
 83  0
         return false;
 84  
     }
 85  
 
 86  
     public abstract String getLabel();
 87  
 }