/*
* 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.isis.viewer.wicket.ui.errors;
import com.google.common.base.Strings;
import org.apache.wicket.Component;
import org.apache.wicket.ajax.AbstractDefaultAjaxBehavior;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.head.JavaScriptHeaderItem;
import org.apache.wicket.markup.head.OnDomReadyHeaderItem;
import org.apache.wicket.request.resource.JavaScriptResourceReference;
import org.apache.isis.applib.RecoverableException;
import org.apache.isis.core.commons.authentication.MessageBroker;
import org.apache.isis.core.runtime.system.context.IsisContext;
/**
* Attach to any Ajax button that might trigger a notification (ie calls
* {@link MessageBroker#addMessage(String)}, {@link MessageBroker#addWarning(String)},
* {@link MessageBroker#setApplicationError(String)} or throws an {@link RecoverableException}).
*
* <p>
* Attach using the standard Wicket code:
* <pre>
* Button editButton = new AjaxButton(ID_EDIT_BUTTON, Model.of("Edit")) { ... }
* editButton.add(new JGrowlBehaviour());
* </pre>
*/
public class JGrowlBehaviour extends AbstractDefaultAjaxBehavior {
private static final long serialVersionUID = 1L;
@Override
protected void respond(AjaxRequestTarget target) {
String feedbackMsg = JGrowlUtil.asJGrowlCalls(getMessageBroker());
if(!Strings.isNullOrEmpty(feedbackMsg)) {
target.appendJavaScript(feedbackMsg);
}
}
@Override
public void renderHead(Component component, IHeaderResponse response) {
super.renderHead(component, response);
renderFeedbackMessages(response);
}
public void renderFeedbackMessages(IHeaderResponse response) {
response.render(JavaScriptHeaderItem.forReference(new JavaScriptResourceReference(JGrowlBehaviour.class, "js/bootstrap-growl.js")));
String feedbackMsg = JGrowlUtil.asJGrowlCalls(getMessageBroker());
if(!Strings.isNullOrEmpty(feedbackMsg)) {
response.render(OnDomReadyHeaderItem.forScript(feedbackMsg));
}
}
protected MessageBroker getMessageBroker() {
return IsisContext.getMessageBroker();
}
}