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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
When.java | 0% | 0% | 0% | 0% |
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// Copyright 2004, 2005 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package org.apache.tapestry.contrib.components;
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import org.apache.hivemind.ApplicationRuntimeException;
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import org.apache.tapestry.IMarkupWriter;
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import org.apache.tapestry.IRequestCycle;
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import org.apache.tapestry.Tapestry;
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import org.apache.tapestry.components.Conditional;
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/**
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* Represents an alternative whithin a {@link Choose} component.
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* The default alternative is described by the Otherwise component.
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*
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* [<a href="../../../../../../ComponentReference/contrib.When.html">Component Reference</a>]
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*
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* @author David Solis
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*
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**/
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public abstract class When extends Conditional |
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{ |
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/** Parent of this component. */
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private Choose _choose;
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/**
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* Renders its wrapped components only if the condition is true and its parent {@link Choose}
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* allows it. In addition, if element is specified, can emulate that HTML element.
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*
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**/
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protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle) |
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{ |
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Choose choose = getChoose(); |
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if (choose == null) |
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throw new ApplicationRuntimeException( |
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Tapestry.getMessage("When.must-be-contained-by-choose"),
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this,
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null,
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null);
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if (!choose.isConditionMet() && getCondition())
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{ |
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choose.setConditionMet(true);
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super.renderComponent(writer, cycle);
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} |
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} |
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protected boolean evaluateCondition() |
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{ |
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return true; |
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} |
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public boolean getInvert() |
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{ |
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// This component doesn't require invert parameter.
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return false; |
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} |
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/**
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* @return Choose
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*/
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public Choose getChoose()
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{ |
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return _choose;
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} |
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/**
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* Sets the choose.
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* @param value The choose to set
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*/
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public void setChoose(Choose value) |
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{ |
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_choose = value; |
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} |
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} |
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