Java tutorial
/** * Copyright (c) 2008-2012 The Sakai Foundation * * Licensed under the Educational Community 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.osedu.org/licenses/ECL-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.sakaiproject.profile2.tool.pages.panels; import org.apache.commons.lang.StringUtils; import org.apache.log4j.Logger; import org.apache.wicket.AttributeModifier; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.markup.html.AjaxLink; import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow; import org.apache.wicket.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.link.ExternalLink; import org.apache.wicket.markup.html.link.Link; import org.apache.wicket.markup.html.link.PopupSettings; import org.apache.wicket.markup.html.panel.Panel; import org.apache.wicket.markup.repeater.Item; import org.apache.wicket.markup.repeater.data.DataView; import org.apache.wicket.model.IModel; import org.apache.wicket.model.Model; import org.apache.wicket.model.ResourceModel; import org.apache.wicket.model.StringResourceModel; import org.apache.wicket.spring.injection.annot.SpringBean; import org.sakaiproject.profile2.logic.ProfilePrivacyLogic; import org.sakaiproject.profile2.logic.SakaiProxy; import org.sakaiproject.profile2.model.Person; import org.sakaiproject.profile2.model.ProfilePreferences; import org.sakaiproject.profile2.model.ProfilePrivacy; import org.sakaiproject.profile2.tool.components.ProfileImage; import org.sakaiproject.profile2.tool.components.ProfileStatusRenderer; import org.sakaiproject.profile2.tool.dataproviders.RequestedFriendsDataProvider; import org.sakaiproject.profile2.tool.models.FriendAction; import org.sakaiproject.profile2.tool.pages.MyFriends; import org.sakaiproject.profile2.tool.pages.ViewFriends; import org.sakaiproject.profile2.tool.pages.ViewProfile; import org.sakaiproject.profile2.tool.pages.windows.ConfirmFriend; import org.sakaiproject.profile2.tool.pages.windows.IgnoreFriend; import org.sakaiproject.profile2.types.PrivacyType; import org.sakaiproject.profile2.util.ProfileConstants; import org.sakaiproject.profile2.util.ProfileUtils; public class RequestedFriends extends Panel { private static final long serialVersionUID = 1L; private static final Logger log = Logger.getLogger(RequestedFriends.class); private Integer numRequestedFriends = 0; @SpringBean(name = "org.sakaiproject.profile2.logic.SakaiProxy") private SakaiProxy sakaiProxy; @SpringBean(name = "org.sakaiproject.profile2.logic.ProfilePrivacyLogic") protected ProfilePrivacyLogic privacyLogic; public RequestedFriends(final String id, final String userUuid) { super(id); log.debug("RequestedFriends()"); final String currentUserUuid = sakaiProxy.getCurrentUserId(); //setup model to store the actions in the modal windows final FriendAction friendActionModel = new FriendAction(); //get our list of friend requests as an IDataProvider RequestedFriendsDataProvider provider = new RequestedFriendsDataProvider(userUuid); //init number of requests numRequestedFriends = (int) provider.size(); //model so we can update the number of requests IModel<Integer> numRequestedFriendsModel = new Model<Integer>() { private static final long serialVersionUID = 1L; public Integer getObject() { return numRequestedFriends; } }; //heading final WebMarkupContainer requestedFriendsHeading = new WebMarkupContainer("requestedFriendsHeading"); requestedFriendsHeading .add(new Label("requestedFriendsLabel", new ResourceModel("heading.friend.requests"))); requestedFriendsHeading.add(new Label("requestedFriendsNumber", numRequestedFriendsModel)); requestedFriendsHeading.setOutputMarkupId(true); add(requestedFriendsHeading); //container which wraps list final WebMarkupContainer requestedFriendsContainer = new WebMarkupContainer("requestedFriendsContainer"); requestedFriendsContainer.setOutputMarkupId(true); //connection window final ModalWindow connectionWindow = new ModalWindow("connectionWindow"); //search results DataView<Person> requestedFriendsDataView = new DataView<Person>("connections", provider) { private static final long serialVersionUID = 1L; protected void populateItem(final Item<Person> item) { Person person = (Person) item.getDefaultModelObject(); final String personUuid = person.getUuid(); //get name String displayName = person.getDisplayName(); //get other objects ProfilePrivacy privacy = person.getPrivacy(); ProfilePreferences prefs = person.getPreferences(); //image wrapper, links to profile Link<String> friendItem = new Link<String>("connectionPhotoWrap", new Model<String>(personUuid)) { private static final long serialVersionUID = 1L; public void onClick() { setResponsePage(new ViewProfile(getModelObject())); } }; //image ProfileImage connectionPhoto = new ProfileImage("connectionPhoto", new Model<String>(personUuid)); connectionPhoto.setSize(ProfileConstants.PROFILE_IMAGE_THUMBNAIL); friendItem.add(connectionPhoto); item.add(friendItem); //name and link to profile Link<String> profileLink = new Link<String>("connectionLink", new Model<String>(personUuid)) { private static final long serialVersionUID = 1L; public void onClick() { setResponsePage(new ViewProfile(getModelObject())); } }; profileLink.add(new Label("connectionName", displayName)); item.add(profileLink); //status component ProfileStatusRenderer status = new ProfileStatusRenderer("connectionStatus", person, "connection-status-msg", "connection-status-date"); status.setOutputMarkupId(true); item.add(status); //CONFIRM FRIEND LINK AND WINDOW WebMarkupContainer c1 = new WebMarkupContainer("confirmConnectionContainer"); c1.setOutputMarkupId(true); final AjaxLink<String> confirmConnectionLink = new AjaxLink<String>("confirmConnectionLink", new Model<String>(personUuid)) { private static final long serialVersionUID = 1L; public void onClick(AjaxRequestTarget target) { //get this item, and set content for modalwindow String personUuid = getModelObject(); connectionWindow.setContent(new ConfirmFriend(connectionWindow.getContentId(), connectionWindow, friendActionModel, userUuid, personUuid)); //modalwindow handler connectionWindow.setWindowClosedCallback(new ModalWindow.WindowClosedCallback() { private static final long serialVersionUID = 1L; public void onClose(AjaxRequestTarget target) { if (friendActionModel.isConfirmed()) { //decrement number of requests numRequestedFriends--; //remove friend item from display target.appendJavaScript("$('#" + item.getMarkupId() + "').slideUp();"); //update label target.add(requestedFriendsHeading); //get parent panel and repaint ConfirmedFriends panel via helper method in MyFriends findParent(MyFriends.class).updateConfirmedFriends(target, userUuid); //if none left, hide everything if (numRequestedFriends == 0) { target.appendJavaScript( "$('#" + requestedFriendsHeading.getMarkupId() + "').fadeOut();"); target.appendJavaScript( "$('#" + requestedFriendsContainer.getMarkupId() + "').fadeOut();"); } } } }); connectionWindow.show(target); target.appendJavaScript("fixWindowVertical();"); } }; //ContextImage confirmConnectionIcon = new ContextImage("confirmConnectionIcon",new Model<String>(ProfileConstants.ACCEPT_IMG)); //confirmConnectionLink.add(confirmConnectionIcon); confirmConnectionLink .add(new AttributeModifier("title", true, new ResourceModel("link.title.confirmfriend"))); confirmConnectionLink.add(new AttributeModifier("alt", true, new StringResourceModel( "accessibility.connection.confirm", null, new Object[] { displayName }))); confirmConnectionLink .add(new Label("confirmConnectionLabel", new ResourceModel("link.friend.confirm")) .setOutputMarkupId(true)); c1.add(confirmConnectionLink); item.add(c1); //IGNORE FRIEND LINK AND WINDOW WebMarkupContainer c2 = new WebMarkupContainer("ignoreConnectionContainer"); c2.setOutputMarkupId(true); final AjaxLink<String> ignoreConnectionLink = new AjaxLink<String>("ignoreConnectionLink", new Model<String>(personUuid)) { private static final long serialVersionUID = 1L; public void onClick(AjaxRequestTarget target) { //get this item, and set content for modalwindow String personUuid = getModelObject(); connectionWindow.setContent(new IgnoreFriend(connectionWindow.getContentId(), connectionWindow, friendActionModel, userUuid, personUuid)); //modalwindow handler connectionWindow.setWindowClosedCallback(new ModalWindow.WindowClosedCallback() { private static final long serialVersionUID = 1L; public void onClose(AjaxRequestTarget target) { if (friendActionModel.isIgnored()) { //decrement number of requests numRequestedFriends--; //remove friend item from display target.appendJavaScript("$('#" + item.getMarkupId() + "').slideUp();"); //update label target.add(requestedFriendsHeading); //if none left, hide everything if (numRequestedFriends == 0) { target.appendJavaScript( "$('#" + requestedFriendsHeading.getMarkupId() + "').fadeOut();"); target.appendJavaScript( "$('#" + requestedFriendsContainer.getMarkupId() + "').fadeOut();"); } } } }); connectionWindow.show(target); target.appendJavaScript("fixWindowVertical();"); } }; //ContextImage ignoreConnectionIcon = new ContextImage("ignoreConnectionIcon",new Model<String>(ProfileConstants.CANCEL_IMG)); //ignoreConnectionLink.add(ignoreConnectionIcon); ignoreConnectionLink .add(new AttributeModifier("title", true, new ResourceModel("link.title.ignorefriend"))); ignoreConnectionLink.add(new AttributeModifier("alt", true, new StringResourceModel( "accessibility.connection.ignore", null, new Object[] { displayName }))); ignoreConnectionLink.add(new Label("ignoreConnectionLabel", new ResourceModel("link.friend.ignore")) .setOutputMarkupId(true)); c2.add(ignoreConnectionLink); item.add(c2); WebMarkupContainer c3 = new WebMarkupContainer("viewFriendsContainer"); c3.setOutputMarkupId(true); final AjaxLink<String> viewFriendsLink = new AjaxLink<String>("viewFriendsLink") { private static final long serialVersionUID = 1L; public void onClick(AjaxRequestTarget target) { // always ViewFriends because a user isn't connected to himself setResponsePage(new ViewFriends(personUuid)); } }; final Label viewFriendsLabel = new Label("viewFriendsLabel", new ResourceModel("link.view.friends")); viewFriendsLink.add(viewFriendsLabel); //hide if not allowed if (!privacyLogic.isActionAllowed(userUuid, currentUserUuid, PrivacyType.PRIVACY_OPTION_MYFRIENDS)) { viewFriendsLink.setEnabled(false); c3.setVisible(false); } viewFriendsLink.setOutputMarkupId(true); c3.add(viewFriendsLink); item.add(c3); WebMarkupContainer c4 = new WebMarkupContainer("emailContainer"); c4.setOutputMarkupId(true); ExternalLink emailLink = new ExternalLink("emailLink", "mailto:" + person.getProfile().getEmail(), new ResourceModel("profile.email").getObject()); c4.add(emailLink); // friend=false if (StringUtils.isBlank(person.getProfile().getEmail()) || false == privacyLogic.isActionAllowed(person.getUuid(), currentUserUuid, PrivacyType.PRIVACY_OPTION_CONTACTINFO)) { c4.setVisible(false); } item.add(c4); WebMarkupContainer c5 = new WebMarkupContainer("websiteContainer"); c5.setOutputMarkupId(true); // TODO home page, university profile URL or academic/research URL (see PRFL-35) ExternalLink websiteLink = new ExternalLink("websiteLink", person.getProfile().getHomepage(), new ResourceModel("profile.homepage").getObject()).setPopupSettings(new PopupSettings()); c5.add(websiteLink); // friend=false if (StringUtils.isBlank(person.getProfile().getHomepage()) || false == privacyLogic.isActionAllowed(person.getUuid(), currentUserUuid, PrivacyType.PRIVACY_OPTION_CONTACTINFO)) { c5.setVisible(false); } item.add(c5); // not a friend yet, so friend=false if (true == privacyLogic.isActionAllowed(person.getUuid(), sakaiProxy.getCurrentUserId(), PrivacyType.PRIVACY_OPTION_BASICINFO)) { item.add(new Label("connectionSummary", StringUtils .abbreviate(ProfileUtils.stripHtml(person.getProfile().getPersonalSummary()), 200))); } else { item.add(new Label("connectionSummary", "")); } item.setOutputMarkupId(true); } }; requestedFriendsDataView.setOutputMarkupId(true); requestedFriendsContainer.add(requestedFriendsDataView); //add results container add(requestedFriendsContainer); //add window add(connectionWindow); //initially, if no requests, hide everything if (numRequestedFriends == 0) { this.setVisible(false); } } }