Java tutorial
/** * Tysan Clan Website * Copyright (C) 2008-2013 Jeroen Steenbeeke and Ties van de Ven * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.tysanclan.site.projectewok.pages.member; import java.util.LinkedList; import java.util.List; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.image.ContextImage; import org.apache.wicket.markup.html.link.Link; import org.apache.wicket.markup.html.list.ListItem; import org.apache.wicket.markup.html.list.ListView; import org.apache.wicket.spring.injection.annot.SpringBean; import com.jeroensteenbeeke.hyperion.data.ModelMaker; import com.tysanclan.site.projectewok.auth.TysanMemberSecured; import com.tysanclan.site.projectewok.beans.GroupService; import com.tysanclan.site.projectewok.components.GroupLink; import com.tysanclan.site.projectewok.entities.Group; import com.tysanclan.site.projectewok.entities.dao.GroupDAO; /** * @author Jeroen Steenbeeke */ @TysanMemberSecured public class JoinGroupPage extends AbstractMemberPage { private static final long serialVersionUID = 1L; @SpringBean private GroupDAO groupDAO; public JoinGroupPage() { super("Join group"); List<Group> groups = groupDAO.findAll(); List<Group> currentGroups = getUser().getGroups(); for (Group group : currentGroups) { groups.remove(group); } List<Group> applied = new LinkedList<Group>(); List<Group> invited = new LinkedList<Group>(); List<Group> available = new LinkedList<Group>(); for (Group group : groups) { if (!group.getGroupMembers().contains(getUser())) { if (group.getAppliedMembers().contains(getUser())) { applied.add(group); } else if (group.getInvitedMembers().contains(getUser())) { invited.add(group); } else { switch (group.getJoinPolicy()) { case OPEN: case APPLICATION: available.add(group); break; default: } } } } String appliedDescription = applied.isEmpty() ? "You have not applied to any groups" : "You have applied to the following groups: "; String invitedDescription = invited.isEmpty() ? "You have not been invited to join any groups" : "You have been invited to join the following groups: "; String availableDescription = available.isEmpty() ? "There are no groups available for you to join" : "You can apply to join the following groups: "; add(new Label("applied-description", appliedDescription)); add(new Label("invited-description", invitedDescription)); add(new Label("can-apply-description", availableDescription)); add(new ListView<Group>("applyToGroups", ModelMaker.wrap(available)) { private static final long serialVersionUID = 1L; @Override protected void populateItem(ListItem<Group> item) { Group group = item.getModelObject(); Link<Group> applyLink = new Link<Group>("apply", ModelMaker.wrap(group)) { private static final long serialVersionUID = 1L; @SpringBean private GroupService groupService; @Override public void onClick() { groupService.applyToGroup(getUser(), getModelObject()); setResponsePage(new OverviewPage()); } }; applyLink.add(new ContextImage("icon", "images/icons/group_add.png")); item.add(applyLink); GroupLink link = new GroupLink("group", group); link.add(new Label("name", group.getName())); item.add(link); item.add(new Label("type", group.getTypeDescription())); } }.setVisible(!available.isEmpty())); add(new ListView<Group>("appliedGroups", ModelMaker.wrap(applied)) { private static final long serialVersionUID = 1L; @Override protected void populateItem(ListItem<Group> item) { Group group = item.getModelObject(); GroupLink link = new GroupLink("group", group); link.add(new Label("name", group.getName())); item.add(link); item.add(new Label("type", group.getTypeDescription())); } }.setVisible(!applied.isEmpty())); add(new ListView<Group>("invited", ModelMaker.wrap(invited)) { private static final long serialVersionUID = 1L; @Override protected void populateItem(ListItem<Group> item) { Group group = item.getModelObject(); Link<Group> yesLink = new Link<Group>("yes", ModelMaker.wrap(group)) { private static final long serialVersionUID = 1L; @SpringBean private GroupService groupService; @Override public void onClick() { groupService.acceptInvitation(getUser(), getModelObject()); setResponsePage(new JoinGroupPage()); } }; yesLink.add(new ContextImage("icon", "images/icons/tick.png")); item.add(yesLink); Link<Group> noLink = new Link<Group>("no", ModelMaker.wrap(group)) { private static final long serialVersionUID = 1L; @SpringBean private GroupService groupService; @Override public void onClick() { groupService.declineInvitation(getUser(), getModelObject()); setResponsePage(new JoinGroupPage()); } }; noLink.add(new ContextImage("icon", "images/icons/cross.png")); item.add(noLink); GroupLink link = new GroupLink("group", group); link.add(new Label("name", group.getName())); item.add(link); item.add(new Label("type", group.getTypeDescription())); } }.setVisible(!invited.isEmpty())); } }