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; import java.util.ArrayList; import java.util.List; import javax.servlet.http.Cookie; import org.apache.log4j.Logger; import org.apache.wicket.AttributeModifier; import org.apache.wicket.Component; import org.apache.wicket.RestartResponseException; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.markup.html.AjaxLink; import org.apache.wicket.extensions.ajax.markup.html.AjaxLazyLoadPanel; import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow; import org.apache.wicket.extensions.ajax.markup.html.tabs.AjaxTabbedPanel; import org.apache.wicket.extensions.markup.html.tabs.AbstractTab; import org.apache.wicket.extensions.markup.html.tabs.ITab; import org.apache.wicket.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.panel.EmptyPanel; import org.apache.wicket.markup.html.panel.Panel; import org.apache.wicket.model.Model; import org.apache.wicket.model.ResourceModel; import org.apache.wicket.model.StringResourceModel; import org.apache.wicket.request.mapper.parameter.PageParameters; import org.apache.wicket.util.cookies.CookieUtils; import org.sakaiproject.profile2.model.ProfilePreferences; import org.sakaiproject.profile2.model.ProfilePrivacy; import org.sakaiproject.profile2.tool.components.OnlinePresenceIndicator; import org.sakaiproject.profile2.tool.components.ProfileImage; import org.sakaiproject.profile2.tool.components.ProfileStatusRenderer; import org.sakaiproject.profile2.tool.models.FriendAction; import org.sakaiproject.profile2.tool.pages.panels.FriendsFeed; import org.sakaiproject.profile2.tool.pages.panels.GalleryFeed; import org.sakaiproject.profile2.tool.pages.panels.KudosPanel; import org.sakaiproject.profile2.tool.pages.panels.ViewProfilePanel; import org.sakaiproject.profile2.tool.pages.panels.ViewWallPanel; import org.sakaiproject.profile2.tool.pages.windows.AddFriend; import org.sakaiproject.profile2.types.PrivacyType; import org.sakaiproject.profile2.util.ProfileConstants; import org.sakaiproject.user.api.User; public class ViewProfile extends BasePage { private static final Logger log = Logger.getLogger(ViewProfile.class); public ViewProfile(final String userUuid, final String tab) { log.debug("ViewProfile()"); //setup model to store the actions in the modal windows final FriendAction friendActionModel = new FriendAction(); //get current user info User currentUser = sakaiProxy.getUserQuietly(sakaiProxy.getCurrentUserId()); final String currentUserId = currentUser.getId(); String currentUserType = currentUser.getType(); //double check, if somehow got to own ViewPage, redirect to MyProfile instead if (userUuid.equals(currentUserId)) { log.warn("ViewProfile: user " + userUuid + " accessed ViewProfile for self. Redirecting..."); throw new RestartResponseException(new MyProfile()); } //check if super user, to grant editing rights to another user's profile if (sakaiProxy.isSuperUser()) { log.warn("ViewProfile: superUser " + currentUserId + " accessed ViewProfile for " + userUuid + ". Redirecting to allow edit."); throw new RestartResponseException(new MyProfile(userUuid)); } //post view event sakaiProxy.postEvent(ProfileConstants.EVENT_PROFILE_VIEW_OTHER, "/profile/" + userUuid, false); /* DEPRECATED via PRFL-24 when privacy was relaxed if(!isProfileAllowed) { throw new ProfileIllegalAccessException("User: " + currentUserId + " is not allowed to view profile for: " + userUuid); } */ //get some values from User User user = sakaiProxy.getUserQuietly(userUuid); String userDisplayName = user.getDisplayName(); String userType = user.getType(); //init final boolean friend; boolean friendRequestToThisPerson = false; boolean friendRequestFromThisPerson = false; //friend? friend = connectionsLogic.isUserXFriendOfUserY(userUuid, currentUserId); //if not friend, has a friend request already been made to this person? if (!friend) { friendRequestToThisPerson = connectionsLogic.isFriendRequestPending(currentUserId, userUuid); } //if not friend and no friend request to this person, has a friend request been made from this person to the current user? if (!friend && !friendRequestToThisPerson) { friendRequestFromThisPerson = connectionsLogic.isFriendRequestPending(userUuid, currentUserId); } //privacy checks final ProfilePrivacy privacy = privacyLogic.getPrivacyRecordForUser(userUuid); boolean isFriendsListVisible = privacyLogic.isActionAllowed(userUuid, currentUserId, PrivacyType.PRIVACY_OPTION_MYFRIENDS); boolean isKudosVisible = privacyLogic.isActionAllowed(userUuid, currentUserId, PrivacyType.PRIVACY_OPTION_MYKUDOS); boolean isGalleryVisible = privacyLogic.isActionAllowed(userUuid, currentUserId, PrivacyType.PRIVACY_OPTION_MYPICTURES); boolean isConnectionAllowed = sakaiProxy.isConnectionAllowedBetweenUserTypes(currentUserType, userType); boolean isOnlineStatusVisible = privacyLogic.isActionAllowed(userUuid, currentUserId, PrivacyType.PRIVACY_OPTION_ONLINESTATUS); final ProfilePreferences prefs = preferencesLogic.getPreferencesRecordForUser(userUuid); /* IMAGE */ add(new ProfileImage("photo", new Model<String>(userUuid))); /* NAME */ Label profileName = new Label("profileName", userDisplayName); add(profileName); /* ONLINE PRESENCE INDICATOR */ if (sakaiProxy.isOnlineStatusEnabledGlobally() && prefs.isShowOnlineStatus() && isOnlineStatusVisible) { add(new OnlinePresenceIndicator("online", userUuid)); } else { add(new EmptyPanel("online")); } /*STATUS PANEL */ if (sakaiProxy.isProfileStatusEnabled()) { add(new ProfileStatusRenderer("status", userUuid, privacy, null, "tiny")); } else { add(new EmptyPanel("status")); } /* TABS */ List<ITab> tabs = new ArrayList<ITab>(); AjaxTabbedPanel tabbedPanel = new AjaxTabbedPanel("viewProfileTabs", tabs) { private static final long serialVersionUID = 1L; // overridden so we can add tooltips to tabs @Override protected WebMarkupContainer newLink(String linkId, final int index) { WebMarkupContainer link = super.newLink(linkId, index); if (ProfileConstants.TAB_INDEX_PROFILE == index) { link.add(new AttributeModifier("title", true, new ResourceModel("link.tab.profile.tooltip"))); } else if (ProfileConstants.TAB_INDEX_WALL == index) { link.add(new AttributeModifier("title", true, new ResourceModel("link.tab.wall.tooltip"))); } return link; } }; CookieUtils utils = new CookieUtils(); Cookie tabCookie = utils.getCookie(ProfileConstants.TAB_COOKIE); if (sakaiProxy.isProfileFieldsEnabled()) { tabs.add(new AbstractTab(new ResourceModel("link.tab.profile")) { private static final long serialVersionUID = 1L; @Override public Panel getPanel(String panelId) { setTabCookie(ProfileConstants.TAB_INDEX_PROFILE); return new ViewProfilePanel(panelId, userUuid, currentUserId, privacy, friend); } }); } if (sakaiProxy.isWallEnabledGlobally()) { tabs.add(new AbstractTab(new ResourceModel("link.tab.wall")) { private static final long serialVersionUID = 1L; @Override public Panel getPanel(String panelId) { setTabCookie(ProfileConstants.TAB_INDEX_WALL); return new ViewWallPanel(panelId, userUuid); } }); if (sakaiProxy.isWallDefaultProfilePage() && null == tabCookie) { tabbedPanel.setSelectedTab(ProfileConstants.TAB_INDEX_WALL); } } if (null != tab) { tabbedPanel.setSelectedTab(Integer.parseInt(tab)); } else if (null != tabCookie) { try { tabbedPanel.setSelectedTab(Integer.parseInt(tabCookie.getValue())); } catch (IndexOutOfBoundsException e) { //do nothing. This will be thrown if the cookie contains a value > the number of tabs but thats ok. } } add(tabbedPanel); /* SIDELINKS */ WebMarkupContainer sideLinks = new WebMarkupContainer("sideLinks"); int visibleSideLinksCount = 0; WebMarkupContainer addFriendContainer = new WebMarkupContainer("addFriendContainer"); //ADD FRIEND MODAL WINDOW final ModalWindow addFriendWindow = new ModalWindow("addFriendWindow"); //FRIEND LINK/STATUS final AjaxLink<Void> addFriendLink = new AjaxLink<Void>("addFriendLink") { private static final long serialVersionUID = 1L; public void onClick(AjaxRequestTarget target) { addFriendWindow.show(target); } }; final Label addFriendLabel = new Label("addFriendLabel"); addFriendLink.add(addFriendLabel); addFriendContainer.add(addFriendLink); //setup link/label and windows if (friend) { addFriendLabel.setDefaultModel(new ResourceModel("text.friend.confirmed")); addFriendLink.add(new AttributeModifier("class", true, new Model<String>("instruction icon connection-confirmed"))); addFriendLink.setEnabled(false); } else if (friendRequestToThisPerson) { addFriendLabel.setDefaultModel(new ResourceModel("text.friend.requested")); addFriendLink.add( new AttributeModifier("class", true, new Model<String>("instruction icon connection-request"))); addFriendLink.setEnabled(false); } else if (friendRequestFromThisPerson) { //TODO (confirm pending friend request link) //could be done by setting the content off the addFriendWindow. //will need to rename some links to make more generic and set the onClick and setContent in here for link and window addFriendLabel.setDefaultModel(new ResourceModel("text.friend.pending")); addFriendLink.add( new AttributeModifier("class", true, new Model<String>("instruction icon connection-request"))); addFriendLink.setEnabled(false); } else { addFriendLabel.setDefaultModel( new StringResourceModel("link.friend.add.name", null, new Object[] { user.getFirstName() })); addFriendWindow.setContent(new AddFriend(addFriendWindow.getContentId(), addFriendWindow, friendActionModel, currentUserId, userUuid)); } sideLinks.add(addFriendContainer); //ADD FRIEND MODAL WINDOW HANDLER addFriendWindow.setWindowClosedCallback(new ModalWindow.WindowClosedCallback() { private static final long serialVersionUID = 1L; public void onClose(AjaxRequestTarget target) { if (friendActionModel.isRequested()) { //friend was successfully requested, update label and link addFriendLabel.setDefaultModel(new ResourceModel("text.friend.requested")); addFriendLink.add(new AttributeModifier("class", true, new Model<String>("instruction icon connection-request"))); addFriendLink.setEnabled(false); target.add(addFriendLink); } } }); addFriendWindow.setVisible(sakaiProxy.isConnectionsEnabledGlobally()); add(addFriendWindow); //hide connection link if not allowed if (!isConnectionAllowed && !sakaiProxy.isConnectionsEnabledGlobally()) { addFriendContainer.setVisible(false); } else { visibleSideLinksCount++; } //hide entire list if no links to show if (visibleSideLinksCount == 0) { sideLinks.setVisible(false); } add(sideLinks); /* KUDOS PANEL */ if (sakaiProxy.isMyKudosEnabledGlobally() && isKudosVisible) { add(new AjaxLazyLoadPanel("myKudos") { private static final long serialVersionUID = 1L; @Override public Component getLazyLoadComponent(String markupId) { if (prefs.isShowKudos()) { int score = kudosLogic.getKudos(userUuid); if (score > 0) { return new KudosPanel(markupId, userUuid, currentUserId, score); } } return new EmptyPanel(markupId); } }); } else { add(new EmptyPanel("myKudos").setVisible(false)); } /* FRIENDS FEED PANEL */ if (sakaiProxy.isConnectionsEnabledGlobally() && isFriendsListVisible) { add(new AjaxLazyLoadPanel("friendsFeed") { private static final long serialVersionUID = 1L; @Override public Component getLazyLoadComponent(String markupId) { return new FriendsFeed(markupId, userUuid, currentUserId); } }); } else { add(new EmptyPanel("friendsFeed").setVisible(false)); } /* GALLERY FEED PANEL */ if (sakaiProxy.isProfileGalleryEnabledGlobally() && isGalleryVisible && prefs.isShowGalleryFeed()) { add(new AjaxLazyLoadPanel("galleryFeed") { private static final long serialVersionUID = 1L; @Override public Component getLazyLoadComponent(String markupId) { return new GalleryFeed(markupId, userUuid, currentUserId).setOutputMarkupId(true); } }); } else { add(new EmptyPanel("galleryFeed").setVisible(false)); } } /** * This constructor is called if we have a pageParameters object containing the userUuid as an id parameter * Just redirects to normal ViewProfile(String userUuid) * @param parameters */ public ViewProfile(PageParameters parameters) { this(parameters.get(ProfileConstants.WICKET_PARAM_USERID).toString(), parameters.get(ProfileConstants.WICKET_PARAM_TAB).toString()); } public ViewProfile(final String userUuid) { this(userUuid, null); } }