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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 | |||||||||||||||
Select.java | 100% | 100% | 100% | 100% |
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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.wml;
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import org.apache.hivemind.ApplicationRuntimeException;
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import org.apache.hivemind.HiveMind;
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import org.apache.tapestry.AbstractComponent;
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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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/**
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* The Select element lets users pick from a list of options. Each option is specified by an Option
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* element. Each Option element may have one line of formatted text (which may be wrapped or
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* truncated by the user agent if too long). Unless multiple selections are required it is generally
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* easier to use the {@link PropertySelection}component.
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*
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* @author David Solis
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* @since 3.0
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*/
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public abstract class Select extends AbstractComponent |
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{ |
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/**
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* Used by the <code>Select</code> to record itself as a {@link IRequestCycle}attribute, so
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* that the {@link Option}components it wraps can have access to it.
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*/
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private final static String ATTRIBUTE_NAME = "org.apache.tapestry.active.Select"; |
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/**
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* @see org.apache.tapestry.AbstractComponent#renderComponent(IMarkupWriter, IRequestCycle)
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*/
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protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle) |
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{ |
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if (cycle.getAttribute(ATTRIBUTE_NAME) != null) |
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throw new ApplicationRuntimeException(Tapestry.getMessage("Select.may-not-nest"), this, |
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null, null); |
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cycle.setAttribute(ATTRIBUTE_NAME, this);
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boolean render = !cycle.isRewinding();
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if (render)
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{ |
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writer.begin("select");
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writer.attribute("name", getName());
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String value = getValue(); |
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if (HiveMind.isNonBlank(value))
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writer.attribute("value", value);
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String title = getTitle(); |
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if (HiveMind.isNonBlank(title))
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writer.attribute("title", title);
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boolean multiple = isMultiple();
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if (multiple)
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writer.attribute("multiple", multiple);
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renderInformalParameters(writer, cycle); |
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} |
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renderBody(writer, cycle); |
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if (render)
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{ |
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writer.end(); |
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} |
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cycle.removeAttribute(ATTRIBUTE_NAME); |
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} |
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public abstract boolean isMultiple(); |
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public abstract String getName();
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public abstract String getValue();
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public abstract String getTitle();
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} |
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