/* 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.activiti.explorer.ui.content.email;
import java.io.InputStream;
import java.io.InputStreamReader;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.TaskService;
import org.activiti.engine.impl.util.json.JSONObject;
import org.activiti.engine.impl.util.json.JSONTokener;
import org.activiti.engine.task.Attachment;
import org.activiti.explorer.Constants;
import org.activiti.explorer.ExplorerApp;
import org.activiti.explorer.I18nManager;
import org.activiti.explorer.Messages;
import org.activiti.explorer.ui.mainlayout.ExplorerLayout;
import com.vaadin.ui.AbstractLayout;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.GridLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.Layout.SpacingHandler;
import com.vaadin.ui.themes.Reindeer;
import com.vaadin.ui.Panel;
/**
* @author Frederik Heremans
*/
public class EmailDetailPanel extends Panel {
private static final long serialVersionUID = 1L;
protected I18nManager i18nManager;
protected transient TaskService taskService;
protected Label content;
protected Attachment attachment;
protected GridLayout gridLayout;
public EmailDetailPanel(Attachment attachment) {
setSizeFull();
((AbstractLayout) getContent()).setMargin(true);
((SpacingHandler) getContent()).setSpacing(true);
addStyleName(Reindeer.PANEL_LIGHT);
this.attachment = attachment;
this.i18nManager = ExplorerApp.get().getI18nManager();
this.taskService = ProcessEngines.getDefaultProcessEngine().getTaskService();
gridLayout = new GridLayout(2, 4);
gridLayout.setSpacing(true);
addComponent(gridLayout);
InputStream contentStream = taskService.getAttachmentContent(attachment.getId());
// TODO: Error handling
JSONObject emailJson = new JSONObject(new JSONTokener(new InputStreamReader(contentStream)));
String html = emailJson.getString(Constants.EMAIL_HTML_CONTENT);
String subject = emailJson.getString(Constants.EMAIL_SUBJECT);
String recipients = emailJson.getString(Constants.EMAIL_RECIPIENT);
String sentDate = emailJson.getString(Constants.EMAIL_SENT_DATE);
String receivedDate = emailJson.getString(Constants.EMAIL_RECEIVED_DATE);
// Add subject
addSimpleRow(Messages.EMAIL_SUBJECT, subject);
addSimpleRow(Messages.EMAIL_RECIPIENTS, recipients);
addSimpleRow(Messages.EMAIL_SENT_DATE, sentDate);
addSimpleRow(Messages.EMAIL_RECEIVED_DATE, receivedDate);
// Add HTML content
addHtmlContent(html);
}
protected void addHtmlContent(String html) {
Panel panel = new Panel();
panel.setWidth(800, UNITS_PIXELS);
panel.setHeight(300, UNITS_PIXELS);
content = new Label(html, Label.CONTENT_XHTML);
content.setHeight(100, UNITS_PERCENTAGE);
panel.addComponent(content);
addComponent(panel);
}
protected void addSimpleRow(String labelMessageKey, String content) {
addLabel(labelMessageKey);
Label subjectLabel = new Label(content);
subjectLabel.setSizeUndefined();
subjectLabel.addStyleName(ExplorerLayout.STYLE_LABEL_BOLD);
gridLayout.addComponent(subjectLabel);
gridLayout.setComponentAlignment(subjectLabel, Alignment.MIDDLE_LEFT);
}
protected void addLabel(String messageKey) {
Label theLabel = new Label(i18nManager.getMessage(messageKey));
theLabel.setSizeUndefined();
gridLayout.addComponent(theLabel);
}
}