Java tutorial
/* * Copyright 2014 gitblit.com. * * 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 com.gitblit.wicket.pages; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.Collections; import java.util.HashMap; import java.util.List; import org.apache.wicket.request.mapper.parameter.PageParameters; import org.apache.wicket.util.string.StringValue; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.link.BookmarkablePageLink; import org.apache.wicket.markup.repeater.Item; import org.apache.wicket.markup.repeater.data.DataView; import org.apache.wicket.markup.repeater.data.ListDataProvider; import com.gitblit.Keys; import com.gitblit.models.RepositoryModel; import com.gitblit.models.TicketModel; import com.gitblit.models.TicketModel.Status; import com.gitblit.models.UserModel; import com.gitblit.tickets.QueryBuilder; import com.gitblit.tickets.QueryResult; import com.gitblit.tickets.TicketIndexer.Lucene; import com.gitblit.utils.ArrayUtils; import com.gitblit.utils.StringUtils; import com.gitblit.wicket.GitBlitWebSession; import com.gitblit.wicket.TicketsUI; import com.gitblit.wicket.TicketsUI.TicketSort; import com.gitblit.wicket.WicketUtils; import com.gitblit.wicket.panels.LinkPanel; import com.gitblit.wicket.panels.TicketListPanel; import com.gitblit.wicket.panels.TicketSearchForm; import com.gitblit.wicket.panels.UserTitlePanel; /** * My Tickets page * * @author Christian Buisson * @author James Moger */ public class MyTicketsPage extends RootPage { private static final long serialVersionUID = 1L; public MyTicketsPage() { this(null); } public MyTicketsPage(PageParameters params) { super(params); setupPage("", getString("gb.myTickets")); UserModel currentUser = GitBlitWebSession.get().getUser(); if (currentUser == null || UserModel.ANONYMOUS.equals(currentUser)) { setResponsePage(getApplication().getHomePage()); return; } final String username = currentUser.getName(); final String[] statiiParam = (params == null) ? TicketsUI.openStatii : (String[]) params.getValues(Lucene.status.name()).stream().map(StringValue::toString).toArray(); final String assignedToParam = (params == null) ? "" : params.get(Lucene.responsible.name()).toString(); final String milestoneParam = (params == null) ? "" : params.get(Lucene.milestone.name()).toString(); final String queryParam = (params == null) ? null : params.get("q").toString(); final String searchParam = (params == null) ? "" : params.get("s").toString(); final String sortBy = (params == null) ? "" : Lucene.fromString(params.get("sort").toString(Lucene.created.name())).name(); final String repositoryId = (params == null) ? "" : params.get(Lucene.rid.name()).toString(); final boolean desc = (params == null) ? true : !"asc".equals(params.get("direction").toString("desc")); // add the user title panel add(new UserTitlePanel("userTitlePanel", currentUser, getString("gb.myTickets"))); // add search form add(new TicketSearchForm("ticketSearchForm", null, searchParam, getClass(), params)); // standard queries add(new BookmarkablePageLink<Void>("changesQuery", MyTicketsPage.class, queryParameters(Lucene.type.matches(TicketModel.Type.Proposal.name()), milestoneParam, statiiParam, assignedToParam, sortBy, desc, repositoryId, 1))); add(new BookmarkablePageLink<Void>("bugsQuery", MyTicketsPage.class, queryParameters(Lucene.type.matches(TicketModel.Type.Bug.name()), milestoneParam, statiiParam, assignedToParam, sortBy, desc, repositoryId, 1))); add(new BookmarkablePageLink<Void>("enhancementsQuery", MyTicketsPage.class, queryParameters(Lucene.type.matches(TicketModel.Type.Enhancement.name()), milestoneParam, statiiParam, assignedToParam, sortBy, desc, repositoryId, 1))); add(new BookmarkablePageLink<Void>("tasksQuery", MyTicketsPage.class, queryParameters(Lucene.type.matches(TicketModel.Type.Task.name()), milestoneParam, statiiParam, assignedToParam, sortBy, desc, repositoryId, 1))); add(new BookmarkablePageLink<Void>("questionsQuery", MyTicketsPage.class, queryParameters(Lucene.type.matches(TicketModel.Type.Question.name()), milestoneParam, statiiParam, assignedToParam, sortBy, desc, repositoryId, 1))); add(new BookmarkablePageLink<Void>("maintenanceQuery", MyTicketsPage.class, queryParameters(Lucene.type.matches(TicketModel.Type.Maintenance.name()), milestoneParam, statiiParam, assignedToParam, sortBy, desc, repositoryId, 1))); add(new BookmarkablePageLink<Void>("resetQuery", MyTicketsPage.class, queryParameters(null, milestoneParam, TicketsUI.openStatii, null, null, true, null, 1))); add(new Label("userDivider")); add(new BookmarkablePageLink<Void>("createdQuery", MyTicketsPage.class, queryParameters(Lucene.createdby.matches(username), milestoneParam, statiiParam, assignedToParam, sortBy, desc, repositoryId, 1))); add(new BookmarkablePageLink<Void>("watchedQuery", MyTicketsPage.class, queryParameters(Lucene.watchedby.matches(username), milestoneParam, statiiParam, assignedToParam, sortBy, desc, repositoryId, 1))); add(new BookmarkablePageLink<Void>("mentionsQuery", MyTicketsPage.class, queryParameters(Lucene.mentions.matches(username), milestoneParam, statiiParam, assignedToParam, sortBy, desc, repositoryId, 1))); add(new BookmarkablePageLink<Void>("responsibleQuery", MyTicketsPage.class, queryParameters(Lucene.responsible.matches(username), milestoneParam, statiiParam, assignedToParam, sortBy, desc, repositoryId, 1))); // states if (ArrayUtils.isEmpty(statiiParam)) { add(new Label("selectedStatii", getString("gb.all"))); } else { add(new Label("selectedStatii", StringUtils.flattenStrings(Arrays.asList(statiiParam), ","))); } add(new BookmarkablePageLink<Void>("openTickets", MyTicketsPage.class, queryParameters(queryParam, milestoneParam, TicketsUI.openStatii, assignedToParam, sortBy, desc, repositoryId, 1))); add(new BookmarkablePageLink<Void>("closedTickets", MyTicketsPage.class, queryParameters(queryParam, milestoneParam, TicketsUI.closedStatii, assignedToParam, sortBy, desc, repositoryId, 1))); add(new BookmarkablePageLink<Void>("allTickets", MyTicketsPage.class, queryParameters(queryParam, milestoneParam, null, assignedToParam, sortBy, desc, repositoryId, 1))); // by status List<Status> statii = new ArrayList<Status>(Arrays.asList(Status.values())); statii.remove(Status.Closed); ListDataProvider<Status> resolutionsDp = new ListDataProvider<Status>(statii); DataView<Status> statiiLinks = new DataView<Status>("statii", resolutionsDp) { private static final long serialVersionUID = 1L; @Override public void populateItem(final Item<Status> item) { final Status status = item.getModelObject(); PageParameters p = queryParameters(queryParam, milestoneParam, new String[] { status.name().toLowerCase() }, assignedToParam, sortBy, desc, repositoryId, 1); String css = TicketsUI.getStatusClass(status); item.add(new LinkPanel("statusLink", css, status.toString(), MyTicketsPage.class, p) .setRenderBodyOnly(true)); } }; add(statiiLinks); // by sort List<TicketSort> sortChoices = new ArrayList<TicketSort>(); sortChoices.add(new TicketSort(getString("gb.sortNewest"), Lucene.created.name(), true)); sortChoices.add(new TicketSort(getString("gb.sortOldest"), Lucene.created.name(), false)); sortChoices.add(new TicketSort(getString("gb.sortMostRecentlyUpdated"), Lucene.updated.name(), true)); sortChoices.add(new TicketSort(getString("gb.sortLeastRecentlyUpdated"), Lucene.updated.name(), false)); sortChoices.add(new TicketSort(getString("gb.sortMostComments"), Lucene.comments.name(), true)); sortChoices.add(new TicketSort(getString("gb.sortLeastComments"), Lucene.comments.name(), false)); sortChoices.add(new TicketSort(getString("gb.sortMostPatchsetRevisions"), Lucene.patchsets.name(), true)); sortChoices.add(new TicketSort(getString("gb.sortLeastPatchsetRevisions"), Lucene.patchsets.name(), false)); sortChoices.add(new TicketSort(getString("gb.sortMostVotes"), Lucene.votes.name(), true)); sortChoices.add(new TicketSort(getString("gb.sortLeastVotes"), Lucene.votes.name(), false)); sortChoices.add(new TicketSort(getString("gb.sortHighestPriority"), Lucene.priority.name(), true)); sortChoices.add(new TicketSort(getString("gb.sortLowestPriority"), Lucene.priority.name(), false)); sortChoices.add(new TicketSort(getString("gb.sortHighestSeverity"), Lucene.severity.name(), true)); sortChoices.add(new TicketSort(getString("gb.sortLowestSeverity"), Lucene.severity.name(), false)); TicketSort currentSort = sortChoices.get(0); for (TicketSort ts : sortChoices) { if (ts.sortBy.equals(sortBy) && desc == ts.desc) { currentSort = ts; break; } } add(new Label("currentSort", currentSort.name)); ListDataProvider<TicketSort> sortChoicesDp = new ListDataProvider<TicketSort>(sortChoices); DataView<TicketSort> sortMenu = new DataView<TicketSort>("sort", sortChoicesDp) { private static final long serialVersionUID = 1L; @Override public void populateItem(final Item<TicketSort> item) { final TicketSort ts = item.getModelObject(); PageParameters params = queryParameters(queryParam, milestoneParam, statiiParam, assignedToParam, ts.sortBy, ts.desc, repositoryId, 1); item.add(new LinkPanel("sortLink", null, ts.name, MyTicketsPage.class, params) .setRenderBodyOnly(true)); } }; add(sortMenu); // by repository final List<QueryResult> tickets = query(initializeQueryBuilder(null, username), 1, Integer.MAX_VALUE, sortBy, desc); final List<RepositoryModel> repositoryChoices = correspondingRepositories(tickets); Collections.sort(repositoryChoices); final RepositoryModel noneChoice = new RepositoryModel(); noneChoice.name = getString("gb.all"); repositoryChoices.add(0, noneChoice); RepositoryModel currentRepository = repositoryChoices.get(0); for (RepositoryModel r : repositoryChoices) { if (r.getRID().equals(repositoryId)) { currentRepository = r; break; } } add(new Label("currentRepository", currentRepository.toString())); ListDataProvider<RepositoryModel> repositoryChoicesDp = new ListDataProvider<RepositoryModel>( repositoryChoices); DataView<RepositoryModel> repositoryMenu = new DataView<RepositoryModel>("repository", repositoryChoicesDp) { private static final long serialVersionUID = 1L; @Override public void populateItem(final Item<RepositoryModel> item) { final RepositoryModel r = item.getModelObject(); String rid = r == noneChoice ? null : r.getRID(); PageParameters params = queryParameters(queryParam, milestoneParam, statiiParam, assignedToParam, sortBy, desc, rid, 1); item.add(new LinkPanel("repositoryLink", null, r.toString(), MyTicketsPage.class, params) .setRenderBodyOnly(true)); } }; add(repositoryMenu); // Update query with filter criteria final QueryBuilder qb = initializeQueryBuilder(queryParam, username); if (!qb.containsField(Lucene.status.name()) && !ArrayUtils.isEmpty(statiiParam)) { // specify the states boolean not = false; QueryBuilder q = new QueryBuilder(); for (String state : statiiParam) { if (state.charAt(0) == '!') { not = true; q.and(Lucene.status.doesNotMatch(state.substring(1))); } else { q.or(Lucene.status.matches(state)); } } if (not) { qb.and(q.toString()); } else { qb.and(q.toSubquery().toString()); } } if (noneChoice != currentRepository && !qb.containsField(Lucene.rid.name())) { QueryBuilder q1 = new QueryBuilder(); q1.and(Lucene.rid.matches(repositoryId)); qb.and(q1.toSubquery().toString()); } // paging links int page = (params != null) ? Math.max(1, WicketUtils.getPage(params)) : 1; int pageSize = app().settings().getInteger(Keys.tickets.perPage, 25); final List<QueryResult> allResults = StringUtils.isEmpty(searchParam) ? query(qb, page, pageSize, sortBy, desc) : search(searchParam, page, pageSize); List<QueryResult> viewableResults = new ArrayList<>(allResults.size()); for (QueryResult queryResult : allResults) { RepositoryModel model = app().repositories().getRepositoryModel(currentUser, queryResult.repository); if ((model != null) && (currentUser.canView(model))) { viewableResults.add(queryResult); } } int totalResults = viewableResults.size() == 0 ? 0 : viewableResults.get(0).totalResults; buildPager(queryParam, milestoneParam, statiiParam, assignedToParam, sortBy, desc, repositoryId, page, pageSize, viewableResults.size(), totalResults); final boolean showSwatch = app().settings().getBoolean(Keys.web.repositoryListSwatches, true); add(new TicketListPanel("ticketList", viewableResults, showSwatch, true)); } protected PageParameters queryParameters(String query, String milestone, String[] states, String assignedTo, String sort, boolean descending, String repositoryId, int page) { PageParameters params = WicketUtils.newRepositoryParameter(""); if (!StringUtils.isEmpty(query)) { params.add("q", query); } if (!StringUtils.isEmpty(milestone)) { params.add(Lucene.milestone.name(), milestone); } if (!ArrayUtils.isEmpty(states)) { for (String state : states) { params.add(Lucene.status.name(), state); } } if (!StringUtils.isEmpty(assignedTo)) { params.add(Lucene.responsible.name(), assignedTo); } if (!StringUtils.isEmpty(sort)) { params.add("sort", sort); } if (!descending) { params.add("direction", "asc"); } if (!StringUtils.isEmpty(repositoryId)) { params.add(Lucene.rid.name(), repositoryId); } if (page > 1) { params.add("pg", "" + page); } return params; } protected void buildPager(final String query, final String milestone, final String[] states, final String assignedTo, final String sort, final boolean desc, final String repositoryId, final int page, int pageSize, int count, int total) { boolean showNav = total > (2 * pageSize); boolean allowPrev = page > 1; boolean allowNext = (pageSize * (page - 1) + count) < total; add(new BookmarkablePageLink<Void>("prevLink", MyTicketsPage.class, queryParameters(query, milestone, states, assignedTo, sort, desc, repositoryId, page - 1)) .setEnabled(allowPrev).setVisible(showNav)); add(new BookmarkablePageLink<Void>("nextLink", MyTicketsPage.class, queryParameters(query, milestone, states, assignedTo, sort, desc, repositoryId, page + 1)) .setEnabled(allowNext).setVisible(showNav)); if (total <= pageSize) { add(new Label("pageLink").setVisible(false)); return; } // determine page numbers to display int pages = count == 0 ? 0 : ((total / pageSize) + (total % pageSize == 0 ? 0 : 1)); // preferred number of pagelinks int segments = 5; if (pages < segments) { // not enough data for preferred number of page links segments = pages; } int minpage = Math.min(Math.max(1, page - 2), pages - (segments - 1)); int maxpage = Math.min(pages, minpage + (segments - 1)); List<Integer> sequence = new ArrayList<Integer>(); for (int i = minpage; i <= maxpage; i++) { sequence.add(i); } ListDataProvider<Integer> pagesDp = new ListDataProvider<Integer>(sequence); DataView<Integer> pagesView = new DataView<Integer>("pageLink", pagesDp) { private static final long serialVersionUID = 1L; @Override public void populateItem(final Item<Integer> item) { final Integer i = item.getModelObject(); LinkPanel link = new LinkPanel("page", null, "" + i, MyTicketsPage.class, queryParameters(query, milestone, states, assignedTo, sort, desc, repositoryId, i)); link.setRenderBodyOnly(true); if (i == page) { WicketUtils.setCssClass(item, "active"); } item.add(link); } }; add(pagesView); } private QueryBuilder initializeQueryBuilder(String queryparam, String username) { final QueryBuilder qb = new QueryBuilder(queryparam); // focused "my tickets" if (qb.containsField(Lucene.createdby.name()) || qb.containsField(Lucene.responsible.name()) || qb.containsField(Lucene.watchedby.name()) || qb.containsField(Lucene.mentions.name())) { return qb; } // general "my tickets" return qb.andSubquery().or(Lucene.createdby.matches(username)).or(Lucene.responsible.matches(username)) .or(Lucene.watchedby.matches(username)).or(Lucene.mentions.matches(username)).endSubquery(); } private List<QueryResult> query(QueryBuilder qb, int page, int pageSize, String sortBy, boolean descending) { return app().tickets().queryFor(qb.build(), page, pageSize, sortBy, descending); } private List<QueryResult> search(String searchParam, int page, int pageSize) { return app().tickets().searchFor(null, searchParam, page, pageSize); } private List<RepositoryModel> correspondingRepositories(Collection<QueryResult> tickets) { final HashMap<String, RepositoryModel> result = new HashMap<>(); for (QueryResult ticket : tickets) { RepositoryModel repository = app().repositories().getRepositoryModel(ticket.repository); if (!result.containsKey(repository.getRID())) { result.put(repository.getRID(), repository); } } return new ArrayList<>(result.values()); } }