Clover coverage report - Code Coverage for tapestry release 4.0-beta-8
Coverage timestamp: Sat Sep 24 2005 11:50:34 EDT
file stats: LOC: 99   Methods: 1
NCLOC: 43   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
FieldLabel.java 100% 100% 100% 100%
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.valid;
 16   
 17    import org.apache.tapestry.AbstractComponent;
 18    import org.apache.tapestry.BindingException;
 19    import org.apache.tapestry.IForm;
 20    import org.apache.tapestry.IMarkupWriter;
 21    import org.apache.tapestry.IRequestCycle;
 22    import org.apache.tapestry.Tapestry;
 23    import org.apache.tapestry.TapestryUtils;
 24    import org.apache.tapestry.form.IFormComponent;
 25   
 26    /**
 27    * Used to label an {@link IFormComponent}. Because such fields know their displayName
 28    * (user-presentable name), there's no reason to hard code the label in a page's HTML template (this
 29    * also helps with localization). [ <a
 30    * href="../../../../../ComponentReference/FieldLabel.html">Component Reference </a>]
 31    *
 32    * @author Howard Lewis Lewis Ship
 33    */
 34   
 35    public abstract class FieldLabel extends AbstractComponent
 36    {
 37    /**
 38    * Gets the {@link IForm}&nbsp;and {@link IValidationDelegate delegate}, then renders the
 39    * label obtained from the field. Does nothing when rewinding.
 40    */
 41   
 42  7 protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
 43    {
 44  7 IForm form = TapestryUtils.getForm(cycle, this);
 45   
 46  7 IFormComponent field = getField();
 47   
 48  7 if (field != null)
 49  4 form.prerenderField(writer, field, getLocation());
 50   
 51  7 if (cycle.isRewinding())
 52  1 return;
 53   
 54  6 String displayName = getDisplayName();
 55   
 56  6 if (displayName == null)
 57    {
 58  4 if (field == null)
 59  1 throw Tapestry.createRequiredParameterException(this, "field");
 60   
 61  3 displayName = field.getDisplayName();
 62   
 63  3 if (displayName == null)
 64  1 throw new BindingException(ValidMessages.noDisplayName(this, field), this, null,
 65    getBinding("field"), null);
 66    }
 67   
 68  4 IValidationDelegate delegate = form.getDelegate();
 69   
 70  4 String id = field == null ? null : field.getClientId();
 71   
 72  4 delegate.writeLabelPrefix(field, writer, cycle);
 73   
 74  4 writer.begin("label");
 75   
 76  4 if (id != null)
 77  1 writer.attribute("for", id);
 78   
 79    // TODO: Introduce a IValidationDelegate decoration method for inside the
 80    // <label> tag.
 81   
 82  4 renderInformalParameters(writer, cycle);
 83   
 84  4 writer.print(displayName, getRaw());
 85   
 86  4 writer.end();
 87   
 88  4 delegate.writeLabelSuffix(field, writer, cycle);
 89    }
 90   
 91    /** displayName parameter */
 92    public abstract String getDisplayName();
 93   
 94    /** field parameter */
 95    public abstract IFormComponent getField();
 96   
 97    /** raw parameter */
 98    public abstract boolean getRaw();
 99    }