/*
* 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.asemail;
import java.util.HashMap;
import java.util.Map;
import org.apache.wicket.Component;
import org.apache.wicket.Page;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.form.AjaxSubmitLink;
import org.apache.wicket.core.request.handler.PageProvider;
import org.apache.wicket.core.util.string.ComponentRenderer;
import org.apache.wicket.examples.WicketExamplePage;
import org.apache.wicket.markup.html.basic.MultiLineLabel;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.request.Url;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.request.resource.PackageResourceReference;
import org.apache.wicket.util.template.PackageTextTemplate;
import org.apache.wicket.util.template.TextTemplate;
/**
* An example page that shows how to generate email templates from a Wicket {@link Page}, a
* {@link Panel} or a {@link TextTemplate}
*/
public class MailTemplate extends WicketExamplePage
{
private static final long serialVersionUID = 1L;
/**
* The name of the customer for which a mail body will be generated.
*/
private String name = "";
/**
* Constructor.
*
* @param parameters
* the current page parameters
*/
public MailTemplate(final PageParameters parameters)
{
super(parameters);
final FeedbackPanel feedback = new FeedbackPanel("feedback");
feedback.setOutputMarkupId(true);
add(feedback);
final Form<Void> form = new Form<>("form");
add(form);
TextField<String> nameTextField = new TextField<>("name", new PropertyModel<String>(
MailTemplate.this, "name"));
nameTextField.setOutputMarkupId(true);
form.add(nameTextField);
final MultiLineLabel result = new MultiLineLabel("result", new Model<>());
result.setOutputMarkupId(true);
add(result);
AjaxSubmitLink basedOnPageLink = new AjaxSubmitLink("pageBasedLink", form)
{
private static final long serialVersionUID = 1L;
@Override
protected void onSubmit(AjaxRequestTarget target)
{
PageParameters parameters = new PageParameters();
parameters.set("name", name);
PageProvider pageProvider = new PageProvider(TemplateBasedOnPage. class, parameters);
CharSequence pageHtml = ComponentRenderer.renderPage(pageProvider);
updateResult(result, pageHtml, target);
target.add(feedback);
}
@Override
protected void onError(AjaxRequestTarget target)
{
target.add(feedback);
}
};
AjaxSubmitLink basedOnPanelLink = new AjaxSubmitLink("panelBasedLink", form)
{
private static final long serialVersionUID = 1L;
@Override
protected void onSubmit(AjaxRequestTarget target)
{
CharSequence panelHtml = ComponentRenderer.renderComponent(new MailTemplatePanel("someId",
new PropertyModel<>(MailTemplate.this, "name")));
updateResult(result, panelHtml, target);
target.add(feedback);
}
@Override
protected void onError(AjaxRequestTarget target)
{
target.add(feedback);
}
};
AjaxSubmitLink basedOnTextTemplateLink = new AjaxSubmitLink("textTemplateBasedLink", form)
{
private static final long serialVersionUID = 1L;
@Override
protected void onSubmit(AjaxRequestTarget target)
{
Map<String, Object> variables = new HashMap<>();
variables.put("name", name);
CharSequence relativeUrl = urlFor(new PackageResourceReference(MailTemplate.class,
"resource.txt"), null);
String href = getRequestCycle().getUrlRenderer().renderFullUrl(
Url.parse(relativeUrl.toString()));
variables.put("downloadLink", href);
PackageTextTemplate template = new PackageTextTemplate(MailTemplate.class, "mail-template.tmpl");
CharSequence templateHtml = template.asString(variables);
updateResult(result, templateHtml, target);
target.add(feedback);
}
@Override
protected void onError(AjaxRequestTarget target)
{
target.add(feedback);
}
};
add(basedOnPageLink, basedOnPanelLink, basedOnTextTemplateLink);
}
/**
* Updates the component that is used to show the generated mail body for this example.
*
* @param result
* the component that shows the mail body
* @param mailBody
* the text for the mail body
* @param target
* the current Ajax request handler
*/
private void updateResult(final Component result, final CharSequence mailBody,
final AjaxRequestTarget target)
{
result.setDefaultModelObject(mailBody);
target.add(result);
}
}