/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.wicket.examples.velocity;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.wicket.PageParameters;
import org.apache.wicket.examples.WicketExamplePage;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.TextArea;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.util.resource.IStringResourceStream;
import org.apache.wicket.util.resource.PackageResourceStream;
import org.apache.wicket.util.resource.StringResourceStream;
import org.apache.wicket.velocity.markup.html.VelocityPanel;
/**
* Template example page.
*
* @author Eelco Hillenius
*/
public class TemplatePage extends WicketExamplePage
{
/**
* Form for changing the template contents.
*/
private final class TemplateForm extends Form
{
private TextArea templateTextArea;
/**
* Construct.
*
* @param name
* component name
*/
public TemplateForm(String name)
{
super(name);
add(templateTextArea = new TextArea("templateInput", new PropertyModel(new Model(
TemplatePage.this), "template")));
}
/**
* @see org.apache.wicket.markup.html.form.Form#onSubmit()
*/
protected void onSubmit()
{
}
}
/** the current template contents. */
private IStringResourceStream template = new PackageResourceStream(DynamicPage.class,
"persons.vm");
/** context to be used by the template. */
private final Model templateContext;
/**
* Constructor
*
* @param parameters
* Page parameters
*/
public TemplatePage(final PageParameters parameters)
{
Map<String, List<Person>> map = new HashMap<String, List<Person>>();
map.put("persons", VelocityTemplateApplication.getPersons());
templateContext = Model.valueOf(map);
add(new TemplateForm("templateForm"));
add(new VelocityPanel("templatePanel", templateContext)
{
@Override
protected IStringResourceStream getTemplateResource()
{
return template;
}
});
add(new FeedbackPanel("feedback"));
}
/**
* Gets the current template contents.
*
* @return the current template contents
*/
public final String getTemplate()
{
return template.asString();
}
/**
* Sets the current template contents.
*
* @param template
* the current template contents
*/
public final void setTemplate(String template)
{
this.template = new StringResourceStream(template);
}
}