org.apache.tapestry.contrib.form.CheckBoxMultiplePropertySelectionRenderer Maven / Gradle / Ivy
// Copyright 2004, 2005 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.tapestry.contrib.form;
import org.apache.tapestry.IMarkupWriter;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.form.IPropertySelectionModel;
/**
* Implementation of {@link IMultiplePropertySelectionRenderer} that
* produces a table of checkbox (<input type=checkbox>) elements.
*
* @author Sanjay Munjal
*
*/
public class CheckBoxMultiplePropertySelectionRenderer
implements IMultiplePropertySelectionRenderer
{
/**
* Writes the <table> element.
*
**/
public void beginRender(
MultiplePropertySelection component,
IMarkupWriter writer,
IRequestCycle cycle)
{
writer.begin("table");
writer.attribute("border", 0);
writer.attribute("cellpadding", 0);
writer.attribute("cellspacing", 2);
}
/**
* Closes the <table> element.
*
**/
public void endRender(
MultiplePropertySelection component,
IMarkupWriter writer,
IRequestCycle cycle)
{
writer.end(); //
}
/**
* Writes a row of the table. The table contains two cells; the first is the checkbox,
* the second is the label for the checkbox.
*
**/
public void renderOption(
MultiplePropertySelection component,
IMarkupWriter writer,
IRequestCycle cycle,
IPropertySelectionModel model,
Object option,
int index,
boolean selected)
{
writer.begin("tr");
writer.begin("td");
writer.beginEmpty("input");
writer.attribute("type", "checkbox");
writer.attribute("name", component.getName());
String id = component.getName() + "." +model.getValue(index);
writer.attribute("id", id);
writer.attribute("value", model.getValue(index));
if (component.isDisabled())
writer.attribute("disabled", "disabled");
if (selected)
writer.attribute("checked", "checked");
writer.end(); //
writer.println();
writer.begin("td");
writer.begin("label");
writer.attribute("for", id);
writer.print(model.getLabel(index));
writer.end(); //