/**
* CheckboxFieldRenderer - Subcomponent which can render a checkbox field value to a DOM Element.
*
*
* Copyright (c) 2002
* Marty Phelan, All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package com.taursys.xml.render;
import com.taursys.xml.CheckboxField;
import com.taursys.model.ModelException;
import com.taursys.dom.DocumentAdapter;
import com.taursys.xml.event.RenderException;
import com.taursys.xml.Component;
import com.taursys.xml.DocumentComponent;
import org.w3c.dom.Node;
import org.w3c.dom.Element;
/**
* Subcomponent which can render a value from a CheckboxField to a DOM Element as a TextNode.
*/
public class CheckboxFieldRenderer extends AbstractRenderer {
/**
* Constructs a new CheckboxRenderer for the given CheckboxField.
* @param checkboxField which this renderer belongs to
*/
public CheckboxFieldRenderer(CheckboxField field) {
super(field);
}
/**
* Renders the TextField to a Text Node of Element in a Document.
* This component accesses the given textField's parent to obtain the
* DocumentAdapter. It also accesses the given field's id and model.
* It uses the DocumentAdapter's setElementText to render the model's text
* value to the Element indicated by the id.
* @throws RenderException if any problem occurs during rendering
*/
public void render() throws RenderException {
init();
if (getComponent().isVisible()) {
restoreSelf();
try {
DocumentAdapter da = getComponent().getParent().getDocumentAdapter();
da.setElementText(((DocumentComponent)getComponent()).getId(),
((CheckboxField)getComponent()).getModel().getText());
} catch (ModelException ex) {
throw new RenderException(RenderException.REASON_MODEL_EXCEPTION, ex);
}
} else {
removeSelf();
}
}
}