Java tutorial
/* * Copyright (c) 2010-2012 Matthias Klass, Johannes Leimer, * Rico Lieback, Sebastian Gabriel, Lothar Gesslein, * Alexander Rampp, Kai Weidner * * This file is part of the Physalix Enrollment System * * Foobar 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. * * Foobar 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 Foobar. If not, see <http://www.gnu.org/licenses/>. */ /** * */ package hsa.awp.usergui.prioritylistselectors; import hsa.awp.campaign.model.DrawProcedure; import hsa.awp.campaign.model.PriorityList; import hsa.awp.event.model.Category; import hsa.awp.event.model.Event; import hsa.awp.gui.util.LoadableDetachedModel; import hsa.awp.user.model.SingleUser; import hsa.awp.usergui.OnePanelPage; import hsa.awp.usergui.controller.IUserGuiController; import hsa.awp.usergui.registrationmanagement.DrawRegistrationManagementPanel; import hsa.awp.usergui.util.DragAndDropableBox; import hsa.awp.usergui.util.DragableElement; import hsa.awp.usergui.util.DragAndDrop.DropAndSortableBox; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.HashSet; import java.util.LinkedList; import java.util.List; import java.util.Set; import java.util.TreeSet; import org.apache.wicket.MarkupContainer; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.markup.html.AjaxLink; import org.apache.wicket.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.form.Button; import org.apache.wicket.markup.html.form.Form; import org.apache.wicket.markup.html.list.Loop; import org.apache.wicket.markup.html.panel.FeedbackPanel; import org.apache.wicket.model.IModel; import org.apache.wicket.model.LoadableDetachableModel; import org.apache.wicket.model.Model; import org.apache.wicket.spring.injection.annot.SpringBean; import org.springframework.security.core.context.SecurityContextHolder; /** * Prioritylistselector which let the user choose what element he wants in which * order. * * @author basti */ public class PriorityListSelector extends AbstractPriorityListSelector { /** * generated UID. */ private static final long serialVersionUID = 4902775122982841093L; private static Label messageEmpty = new Label("prioListSelector.messageEmpty", "Die maximale Anzahl der erlaubten Wunschlisten ist erreicht/<br>Limit of allowed preference list reached"); private static Label messageTitle = new Label("prioListSelector.messageTitle", "Neue Wunschlisten/New preference lists"); private static Label messageSubtitle = new Label("prioListSelector.messageSubtitle", "Listen sind nicht gespeichert/Lists are not saved!"); private static Button submitButton; /** * {@link IUserGuiController}. */ @SpringBean(name = "usergui.controller") private IUserGuiController controller; /** * List of all priolistBoxes. */ private List<DropAndSortableBox> dropBoxList; /** * Box which displays all available events. */ private DragAndDropableBox sourceBox; /** * gives feedback to the user. */ private FeedbackPanel feedbackPanel = new FeedbackPanel("prio.feedback"); private MarkupContainer box; private Form<String> form; private final IModel<DrawProcedure> drawProcedureModel; private final SingleUser singleUser; private IModel<List<Category>> categoryListModel; /** * Constructor for PriorityListSelector. * * @param id * Wicket id * @param drawProc * DrawProcedure to be edited */ public PriorityListSelector(String id, final DrawProcedure drawProc) { super(id); messageEmpty.setEscapeModelStrings(false); singleUser = controller.getUserById(SecurityContextHolder.getContext().getAuthentication().getName()); box = new WebMarkupContainer("prioListSelector.box"); box.setOutputMarkupId(true); form = new Form<String>("prioListSelector.form"); this.setOutputMarkupId(true); form.setOutputMarkupId(true); feedbackPanel.setOutputMarkupId(true); drawProcedureModel = new LoadableDetachedModel<DrawProcedure>() { /** * */ private static final long serialVersionUID = 1L; @Override protected DrawProcedure load() { return controller.getDrawProcedureById(drawProc.getId()); } }; final IModel<List<Event>> eventlistModel = new LoadableDetachableModel<List<Event>>() { /** * */ private static final long serialVersionUID = 1509181846335682010L; @Override protected List<Event> load() { List<Event> eventList = controller.convertToEventList( new ArrayList<Long>(drawProcedureModel.getObject().getCampaign().getEventIds())); Collections.sort(eventList, new Comparator<Event>() { @Override public int compare(Event o1, Event o2) { if (o1.getEventId() > o2.getEventId()) { return 1; } else if (o1.getEventId() < o2.getEventId()) { return -1; } else { return 0; } } }); return filterEventListForSourcebox(eventList); } }; categoryListModel = new LoadableDetachableModel<List<Category>>() { /** * */ private static final long serialVersionUID = -6326470345409063111L; @Override protected List<Category> load() { Set<Category> categories = new TreeSet<Category>(new Comparator<Category>() { @Override public int compare(Category o1, Category o2) { return o1.getName().compareTo(o2.getName()); } }); eventlistModel.detach(); for (Event e : eventlistModel.getObject()) { categories.add(e.getSubject().getCategory()); } return new ArrayList<Category>(categories); } }; IModel<Integer> categoryIterations = new LoadableDetachableModel<Integer>() { /** * */ private static final long serialVersionUID = -1513427284596362424L; @Override protected Integer load() { return categoryListModel.getObject().size(); } }; Loop categoryList = new Loop("prioListSelector.categories", categoryIterations) { /** * generated uid. */ private static final long serialVersionUID = -6820774021151549325L; @Override protected void populateItem(LoopItem item) { final Category category = categoryListModel.getObject().get(item.getIteration()); AjaxLink<Category> link = new AjaxLink<Category>("prioListSelector.categoriesLink", new Model<Category>(category)) { /** * generated uid. */ private static final long serialVersionUID = -3667864064733586820L; @Override public void onClick(AjaxRequestTarget target) { sourceBox.removeAllElements(); sourceBox.setComponentId(category.getId()); this.addEventsToSourcebox(); target.addComponent(sourceBox); } private void addEventsToSourcebox() { eventlistModel.detach(); for (Event e : eventlistModel.getObject()) { if (e.getSubject().getCategory().equals(this.getModel().getObject())) { sourceBox.addElement( new DragableElement(DragAndDropableBox.DRAG_AND_DROPABLE_BOX_ITEM, e)); } } } }; link.add(new Label("prioListSelector.categoryName", category.getName())); item.add(link); } }; categoryList.setOutputMarkupId(true); sourceBox = new DragAndDropableBox("prioListSelector.selectableObjects"); form.add(sourceBox); dropBoxList = new ArrayList<DropAndSortableBox>(drawProcedureModel.getObject().getMaximumPriorityLists()); submitButton = new Button("prioListSelector.submit") { /** * generated UID. */ private static final long serialVersionUID = -1440808750941977688L; @Override public void onSubmit() { Set<List<Event>> lists = new HashSet<List<Event>>(); for (DropAndSortableBox box : dropBoxList) { if (box.getEventList().size() > 0) { lists.add(box.getEventList()); } } if (lists.size() != 0) { drawProcedureModel.detach(); try { DrawProcedure drawProcedure = drawProcedureModel.getObject(); controller.createPrioList(SecurityContextHolder.getContext().getAuthentication().getName(), SecurityContextHolder.getContext().getAuthentication().getName(), lists, drawProcedure.getCampaign()); setResponsePage(new OnePanelPage( new PriorityListSelector(OnePanelPage.getPanelIdOne(), drawProcedure))); } catch (IllegalArgumentException e) { moveElementsBackToSource(); feedbackPanel.error("Bitte Eingaben \u00dcberpr\u00fcfen."); } catch (IllegalStateException e) { feedbackPanel.error("Leider zu spt, die Verlosung hat schon stattgefunden."); } } else { feedbackPanel.error("Wunschlisten d\u00dcrfen nicht leer sein!"); } } }; IModel<Integer> prioListIterations = new LoadableDetachableModel<Integer>() { /** * */ private static final long serialVersionUID = -2446977182797089682L; @Override protected Integer load() { DrawProcedure drawProcedure = drawProcedureModel.getObject(); int i = drawProcedure.getMaximumPriorityLists() - controller.findPriorityListsByUserAndProcedure(singleUser.getId(), drawProcedure).size(); PriorityListSelector.submitButton.setVisible(i > 0); PriorityListSelector.messageEmpty.setVisible(!(i > 0)); PriorityListSelector.messageTitle.setVisible((i > 0)); PriorityListSelector.messageSubtitle.setVisible((i > 0)); return i; } }; /* * render priolists dynamically dependent on the attribute in * drawProcedure. */ final Loop priolists = new Loop("prioListSelector.listsList", prioListIterations) { /** * */ private static final long serialVersionUID = 1L; @Override protected void populateItem(LoopItem item) { DrawProcedure drawProcedure = drawProcedureModel.getObject(); DropAndSortableBox list = new DropAndSortableBox("prioListSelector.prioList", drawProcedure.getMaximumPriorityListItems()); list.setOutputMarkupId(true); // item.add(new Label("prioListSelector.listName", // "Wunschliste Kurs " // + (item.getIteration() + 1 + controller // .findPriorityListsByUserAndProcedure( // singleUser.getId(), // drawProcedure).size()))); dropBoxList.add(list); item.add(list); } }; priolists.setOutputMarkupId(true); form.add(categoryList); form.add(messageEmpty); form.add(messageTitle); form.add(messageSubtitle); form.add(priolists); form.add(submitButton); /* * Priolist management */ IModel<List<PriorityList>> prioListsModel = new LoadableDetachableModel<List<PriorityList>>() { /** * generated UID. */ private static final long serialVersionUID = 8833064897441919997L; @Override protected List<PriorityList> load() { List<PriorityList> list = controller.findPriorityListsByUserAndProcedure(singleUser.getId(), drawProcedureModel.getObject()); return list; } }; DrawRegistrationManagementPanel drawRegistrationManagementPanel = new DrawRegistrationManagementPanel( "prioListSelector.managementPanel", prioListsModel); form.add(drawRegistrationManagementPanel); DateFormat df = new SimpleDateFormat("dd.MM.yyyy HH:mm"); box.add(new Label("prioListSelector.heading", drawProcedureModel.getObject().getCampaign().getName() + ": Phase: " + drawProcedureModel.getObject().getName() + " vom " + df.format(drawProcedureModel.getObject().getStartDate().getTime()) + " bis " + (drawProcedureModel.getObject() instanceof DrawProcedure ? df.format(drawProcedureModel.getObject().getDrawDate().getTime()) : df.format((drawProcedureModel.getObject().getEndDate().getTime()))))); box.add(feedbackPanel); box.add(form); add(box); } public long getDropBoxElementId(DragableElement element) { long eventId = element.getEvent().getId(); return controller.findCategoryIdByEventId(eventId); }; public List<Event> filterEventListForSourcebox(List<Event> events) { List<Event> eventBlackList = new LinkedList<Event>(); /* * check if event is in an uncommited priolist */ if (dropBoxList != null && dropBoxList.size() > 0) { for (DropAndSortableBox box : dropBoxList) { eventBlackList.addAll(box.getEventList()); } } return controller.filterEventList(events, singleUser, drawProcedureModel.getObject(), eventBlackList); } public void moveElementsBackToSource() { for (DropAndSortableBox dropBox : dropBoxList) { for (Event event : dropBox.getEventList()) { sourceBox.addElement(new DragableElement(DragAndDropableBox.DRAG_AND_DROPABLE_BOX_ITEM, event)); } } } /** * Add element to sourceBox. * * @param element * element to be added. */ public void addElementToSourceBox(DragableElement element) { sourceBox.addElement(element); } /** * Updates the component after a priolist is deleted. * * @param target * ajax target * @param list * priolist which is deleted, needed to add the elements back to * source box. */ public void update(AjaxRequestTarget target, PriorityList list) { moveElementsBackToSource(); sourceBox.removeAllElements(); categoryListModel.detach(); target.addComponent(box); } /** * Ajax update for the whole component. * * @param target * ajaxrequesttarget */ public void updateLists(AjaxRequestTarget target) { target.addComponent(sourceBox); } @Override public DragAndDropableBox getSourceBox() { return sourceBox; } }