/* 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.custom;
import org.activiti.engine.IdentityService;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.identity.Picture;
import org.activiti.engine.identity.User;
import org.activiti.explorer.ExplorerApp;
import org.activiti.explorer.ViewManager;
import org.activiti.explorer.ui.mainlayout.ExplorerLayout;
import org.activiti.explorer.ui.util.InputStreamStreamSource;
import com.vaadin.event.MouseEvents;
import com.vaadin.terminal.Resource;
import com.vaadin.terminal.StreamResource;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.Embedded;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.themes.Reindeer;
/**
* Component that renders link that shows the user's profile in a popup. Optionally, shows
* the profile picture (if available).
*
* @author Frederik Heremans
* @author Joram Barrez
*/
public class UserProfileLink extends HorizontalLayout {
private static final long serialVersionUID = 1L;
protected transient IdentityService identityService;
protected ViewManager viewManager;
public UserProfileLink(IdentityService identityService, boolean renderPicture, final String userId) {
this.identityService = identityService;
this.viewManager = ExplorerApp.get().getViewManager();
setSizeUndefined();
setSpacing(true);
addStyleName(ExplorerLayout.STYLE_PROFILE_LINK);
initPicture(identityService, renderPicture, userId);
initUserLink(userId);
}
protected void initPicture(IdentityService identityService, boolean renderPicture, final String userName) {
if(renderPicture) {
Picture picture = identityService.getUserPicture(userName);
if(picture != null) {
Resource imageResource = new StreamResource(new InputStreamStreamSource(picture.getInputStream()),
userName + picture.getMimeType(), ExplorerApp.get());
Embedded image = new Embedded(null, imageResource);
image.addStyleName(ExplorerLayout.STYLE_CLICKABLE);
image.setType(Embedded.TYPE_IMAGE);
image.setHeight(30, Embedded.UNITS_PIXELS);
image.setWidth(30, Embedded.UNITS_PIXELS);
image.addListener(new MouseEvents.ClickListener() {
private static final long serialVersionUID = 7341560240277898495L;
public void click(MouseEvents.ClickEvent event) {
viewManager.showProfilePopup(userName);
}
});
addComponent(image);
setComponentAlignment(image, Alignment.MIDDLE_LEFT);
} else {
// TODO: what when no image is available?
}
}
}
protected void initUserLink(final String userId) {
User user = ProcessEngines.getDefaultProcessEngine().getIdentityService().createUserQuery().userId(userId).singleResult();
Button userButton = new Button(user.getFirstName() + " " + user.getLastName());
ClickListener buttonClickListener = new ClickListener() {
private static final long serialVersionUID = 1L;
public void buttonClick(ClickEvent event) {
viewManager.showProfilePopup(userId);
}
};
userButton.addStyleName(Reindeer.BUTTON_LINK);
userButton.addListener(buttonClickListener);
addComponent(userButton);
setComponentAlignment(userButton, Alignment.MIDDLE_LEFT);
}
}