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Central module for Tapestry, containing interfaces to the Java
Servlet API and all core services and components.
// Copyright 2006, 2007, 2008 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package org.apache.tapestry5.corelib.components;
import org.apache.tapestry5.MarkupWriter;
import org.apache.tapestry5.corelib.base.AbstractTextField;
/**
* TextArea component corresponds to a <textarea> element. The value parameter is almost always bound to a string,
* but this is not an absolute requirement.
*
* Includes the cols
attribute, if a {@link org.apache.tapestry5.beaneditor.Width} annotation is present on
* the property bound to the value parameter.
*
* @see org.apache.tapestry5.corelib.components.TextOutput
*/
public class TextArea extends AbstractTextField
{
private String value;
@Override
protected final void writeFieldTag(MarkupWriter writer, String value)
{
writer.element("textarea",
"name", getControlName(),
"id", getClientId(),
"cols", getWidth());
// Save until needed in after()
this.value = value;
}
final void afterRender(MarkupWriter writer)
{
// TextArea will not have a template.
if (value != null) writer.write(value);
writer.end(); // textarea
}
}