Java tutorial
/* * Copyright (c) 2009-2011 Lockheed Martin Corporation * * 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.eurekastreams.web.client.ui.common.pagedlist; import org.eurekastreams.commons.formatting.DateFormatter; import org.eurekastreams.server.action.request.profile.ReviewPendingGroupRequest; import org.eurekastreams.server.domain.Page; import org.eurekastreams.server.search.modelview.DomainGroupModelView; import org.eurekastreams.web.client.events.EventBus; import org.eurekastreams.web.client.events.Observer; import org.eurekastreams.web.client.events.ShowNotificationEvent; import org.eurekastreams.web.client.events.data.UpdatedReviewPendingGroupResponseEvent; import org.eurekastreams.web.client.history.CreateUrlRequest; import org.eurekastreams.web.client.jsni.WidgetJSNIFacadeImpl; import org.eurekastreams.web.client.model.PendingGroupsModel; import org.eurekastreams.web.client.ui.Session; import org.eurekastreams.web.client.ui.common.notifier.Notification; import org.eurekastreams.web.client.ui.pages.master.StaticResourceBundle; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.user.client.ui.FlowPanel; import com.google.gwt.user.client.ui.InlineHyperlink; import com.google.gwt.user.client.ui.InlineLabel; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.Panel; /** * Render a Pending Group. * */ public class PendingGroupRenderer implements ItemRenderer<DomainGroupModelView> { /** Bullet character. */ private static final String BULLET = "\u2219"; /** * {@inheritDoc} */ public Panel render(final DomainGroupModelView group) { final FlowPanel groupPanel = new FlowPanel(); groupPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().group()); groupPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().directoryItem()); groupPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().listItem()); groupPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().pendingGroup()); // -- buttons panel (left side) -- final Panel buttonsPanel = new FlowPanel(); buttonsPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().pendingGroupButtons()); groupPanel.add(buttonsPanel); final Label confirmButton = new Label("Confirm"); confirmButton.addStyleName(StaticResourceBundle.INSTANCE.coreCss().approveButton()); buttonsPanel.add(confirmButton); final Label denyButton = new Label("Deny"); denyButton.addStyleName(StaticResourceBundle.INSTANCE.coreCss().denyButton()); buttonsPanel.add(denyButton); // -- group info (right side) -- FlowPanel groupAbout = new FlowPanel(); groupAbout.addStyleName(StaticResourceBundle.INSTANCE.coreCss().description()); groupPanel.add(groupAbout); Label groupName = new Label(group.getName()); groupName.addStyleName(StaticResourceBundle.INSTANCE.coreCss().displayName()); groupAbout.add(groupName); Label groupDescription = new Label(group.getDescription()); groupDescription.addStyleName(StaticResourceBundle.INSTANCE.coreCss().pendingGroupDescription()); groupAbout.add(groupDescription); FlowPanel groupMetaData = new FlowPanel(); groupMetaData.addStyleName(StaticResourceBundle.INSTANCE.coreCss().connectionItemFollowers()); groupMetaData.add(new InlineLabel(new DateFormatter().timeAgo(group.getDateAdded(), true))); insertActionSeparator(groupMetaData); groupMetaData.add(new InlineLabel("By: ")); String url = Session.getInstance() .generateUrl(new CreateUrlRequest(Page.PEOPLE, group.getPersonCreatedByAccountId())); groupMetaData.add(new InlineHyperlink(group.getPersonCreatedByDisplayName(), url)); // Display Business Area (BA) information insertActionSeparator(groupMetaData); groupMetaData.add(new InlineLabel("BA: ")); Label baLabel = new InlineLabel(group.getPersonCreatedByCompanyName()); baLabel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().connectionItemFollowersData()); groupMetaData.add(baLabel); insertActionSeparator(groupMetaData); groupMetaData.add(new InlineLabel("Privacy Setting: ")); Label label = new InlineLabel(group.isPublic() ? "Public" : "Private"); label.addStyleName(StaticResourceBundle.INSTANCE.coreCss().connectionItemFollowersData()); groupMetaData.add(label); groupAbout.add(groupMetaData); // -- actions -- confirmButton.addClickHandler(new ClickHandler() { public void onClick(final ClickEvent event) { buttonsPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().waitActive()); PendingGroupsModel.getInstance().update(new ReviewPendingGroupRequest(group.getShortName(), true)); } }); denyButton.addClickHandler(new ClickHandler() { public void onClick(final ClickEvent event) { if (new WidgetJSNIFacadeImpl().confirm("Are you sure you want to deny creation of this group?")) { buttonsPanel.addStyleName(StaticResourceBundle.INSTANCE.coreCss().waitActive()); PendingGroupsModel.getInstance() .update(new ReviewPendingGroupRequest(group.getShortName(), false)); } } }); final EventBus eventBus = Session.getInstance().getEventBus(); eventBus.addObserver(UpdatedReviewPendingGroupResponseEvent.class, new Observer<UpdatedReviewPendingGroupResponseEvent>() { public void update(final UpdatedReviewPendingGroupResponseEvent ev) { if (ev.getResponse().getGroupShortName().equals(group.getShortName())) { eventBus.removeObserver(ev, this); String msg = ev.getResponse().getApproved() ? "The " + group.getName() + " group has been approved" : "The request to create the " + group.getName() + " group has been denied"; eventBus.notifyObservers(new ShowNotificationEvent(new Notification(msg))); } } }); return groupPanel; } /** * Adds a separator (dot). * * @param panel * Panel to put the separator in. */ private void insertActionSeparator(final Panel panel) { Label sep = new InlineLabel(BULLET); sep.addStyleName(StaticResourceBundle.INSTANCE.coreCss().actionLinkSeparator()); panel.add(sep); } }