Java tutorial
/* * Copyright 2013 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.text.MessageFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.List; import java.util.Set; import java.util.TreeSet; import org.apache.wicket.AttributeModifier; import org.apache.wicket.Component; 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.html.panel.Fragment; 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.Constants.AccessPermission; import com.gitblit.Keys; import com.gitblit.models.RegistrantAccessPermission; 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.tickets.TicketLabel; import com.gitblit.tickets.TicketMilestone; import com.gitblit.tickets.TicketResponsible; 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.TicketQuery; 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; public class TicketsPage extends RepositoryPage { final TicketResponsible any; public TicketsPage(PageParameters params) { super(params); if (!app().tickets().isReady()) { // tickets prohibited setResponsePage(SummaryPage.class, WicketUtils.newRepositoryParameter(repositoryName)); } else if (!app().tickets().hasTickets(getRepositoryModel())) { // no tickets for this repository setResponsePage(NoTicketsPage.class, WicketUtils.newRepositoryParameter(repositoryName)); } else { String id = WicketUtils.getObject(params); if (id != null) { // view the ticket with the TicketPage setResponsePage(TicketPage.class, params); } } // set stateless page preference setStatelessHint(true); any = new TicketResponsible(getString("gb.any"), "[* TO *]", null); UserModel user = GitBlitWebSession.get().getUser(); boolean isAuthenticated = user != null && user.isAuthenticated; final String[] statiiParam = (String[]) params.getValues(Lucene.status.name()).stream() .map(StringValue::toString).toArray(); final String assignedToParam = params.get(Lucene.responsible.name()).toString(null); final String milestoneParam = params.get(Lucene.milestone.name()).toString(null); final String queryParam = params.get("q").toString(null); final String searchParam = params.get("s").toString(null); final String sortBy = Lucene.fromString(params.get("sort").toString(Lucene.created.name())).name(); final boolean desc = !"asc".equals(params.get("direction").toString("desc")); // add search form add(new TicketSearchForm("ticketSearchForm", repositoryName, searchParam, getClass(), params)); final String activeQuery; if (!StringUtils.isEmpty(searchParam)) { activeQuery = searchParam; } else if (StringUtils.isEmpty(queryParam)) { activeQuery = ""; } else { activeQuery = queryParam; } // build Lucene query from defaults and request parameters QueryBuilder qb = new QueryBuilder(queryParam); if (!qb.containsField(Lucene.rid.name())) { // specify the repository qb.and(Lucene.rid.matches(getRepositoryModel().getRID())); } if (!qb.containsField(Lucene.responsible.name())) { // specify the responsible qb.and(Lucene.responsible.matches(assignedToParam)); } if (!qb.containsField(Lucene.milestone.name())) { // specify the milestone qb.and(Lucene.milestone.matches(milestoneParam)); } 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()); } } final String luceneQuery = qb.build(); // open milestones List<TicketMilestone> milestones = app().tickets().getMilestones(getRepositoryModel(), Status.Open); TicketMilestone currentMilestone = null; if (!StringUtils.isEmpty(milestoneParam)) { for (TicketMilestone tm : milestones) { if (tm.name.equals(milestoneParam)) { // get the milestone (queries the index) currentMilestone = app().tickets().getMilestone(getRepositoryModel(), milestoneParam); break; } } if (currentMilestone == null) { // milestone not found, create a temporary one currentMilestone = new TicketMilestone(milestoneParam); String q = QueryBuilder.q(Lucene.rid.matches(getRepositoryModel().getRID())) .and(Lucene.milestone.matches(milestoneParam)).build(); currentMilestone.tickets = app().tickets().queryFor(q, 1, 0, Lucene.number.name(), true); milestones.add(currentMilestone); } } Fragment milestonePanel; if (currentMilestone == null) { milestonePanel = new Fragment("milestonePanel", "noMilestoneFragment", TicketsPage.this); add(milestonePanel); } else { milestonePanel = new Fragment("milestonePanel", "milestoneProgressFragment", TicketsPage.this); milestonePanel.add(new Label("currentMilestone", currentMilestone.name)); if (currentMilestone.due == null) { milestonePanel.add(new Label("currentDueDate", getString("gb.notSpecified"))); } else { milestonePanel.add(WicketUtils.createDateLabel("currentDueDate", currentMilestone.due, GitBlitWebSession.get().getTimezone(), getTimeUtils(), false)); } Label label = new Label("progress"); WicketUtils.setCssStyle(label, "width:" + currentMilestone.getProgress() + "%;"); milestonePanel.add(label); milestonePanel.add(new LinkPanel("openTickets", null, MessageFormat.format(getString("gb.nOpenTickets"), currentMilestone.getOpenTickets()), TicketsPage.class, queryParameters(null, currentMilestone.name, TicketsUI.openStatii, null, sortBy, desc, 1))); milestonePanel.add(new LinkPanel("closedTickets", null, MessageFormat.format(getString("gb.nClosedTickets"), currentMilestone.getClosedTickets()), TicketsPage.class, queryParameters(null, currentMilestone.name, TicketsUI.closedStatii, null, sortBy, desc, 1))); milestonePanel.add(new Label("totalTickets", MessageFormat.format(getString("gb.nTotalTickets"), currentMilestone.getTotalTickets()))); add(milestonePanel); } Fragment milestoneDropdown = new Fragment("milestoneDropdown", "milestoneDropdownFragment", TicketsPage.this); PageParameters resetMilestone = queryParameters(queryParam, null, statiiParam, assignedToParam, sortBy, desc, 1); milestoneDropdown.add(new BookmarkablePageLink<Void>("resetMilestone", TicketsPage.class, resetMilestone)); ListDataProvider<TicketMilestone> milestonesDp = new ListDataProvider<TicketMilestone>(milestones); DataView<TicketMilestone> milestonesMenu = new DataView<TicketMilestone>("milestone", milestonesDp) { private static final long serialVersionUID = 1L; @Override public void populateItem(final Item<TicketMilestone> item) { final TicketMilestone tm = item.getModelObject(); PageParameters params = queryParameters(queryParam, tm.name, statiiParam, assignedToParam, sortBy, desc, 1); item.add(new LinkPanel("milestoneLink", null, tm.name, TicketsPage.class, params) .setRenderBodyOnly(true)); } }; milestoneDropdown.add(milestonesMenu); milestonePanel.add(milestoneDropdown); // search or query tickets int page = Math.max(1, WicketUtils.getPage(params)); int pageSize = app().settings().getInteger(Keys.tickets.perPage, 25); List<QueryResult> results; if (StringUtils.isEmpty(searchParam)) { results = app().tickets().queryFor(luceneQuery, page, pageSize, sortBy, desc); } else { results = app().tickets().searchFor(getRepositoryModel(), searchParam, page, pageSize); } int totalResults = results.size() == 0 ? 0 : results.get(0).totalResults; // standard queries add(new BookmarkablePageLink<Void>("changesQuery", TicketsPage.class, queryParameters(Lucene.type.matches(TicketModel.Type.Proposal.name()), milestoneParam, statiiParam, assignedToParam, sortBy, desc, 1))); add(new BookmarkablePageLink<Void>("bugsQuery", TicketsPage.class, queryParameters(Lucene.type.matches(TicketModel.Type.Bug.name()), milestoneParam, statiiParam, assignedToParam, sortBy, desc, 1))); add(new BookmarkablePageLink<Void>("enhancementsQuery", TicketsPage.class, queryParameters(Lucene.type.matches(TicketModel.Type.Enhancement.name()), milestoneParam, statiiParam, assignedToParam, sortBy, desc, 1))); add(new BookmarkablePageLink<Void>("tasksQuery", TicketsPage.class, queryParameters(Lucene.type.matches(TicketModel.Type.Task.name()), milestoneParam, statiiParam, assignedToParam, sortBy, desc, 1))); add(new BookmarkablePageLink<Void>("questionsQuery", TicketsPage.class, queryParameters(Lucene.type.matches(TicketModel.Type.Question.name()), milestoneParam, statiiParam, assignedToParam, sortBy, desc, 1))); add(new BookmarkablePageLink<Void>("maintenanceQuery", TicketsPage.class, queryParameters(Lucene.type.matches(TicketModel.Type.Maintenance.name()), milestoneParam, statiiParam, assignedToParam, sortBy, desc, 1))); add(new BookmarkablePageLink<Void>("resetQuery", TicketsPage.class, queryParameters(null, milestoneParam, TicketsUI.openStatii, null, null, true, 1))); if (isAuthenticated) { add(new Label("userDivider")); add(new BookmarkablePageLink<Void>("createdQuery", TicketsPage.class, queryParameters(Lucene.createdby.matches(user.username), milestoneParam, statiiParam, assignedToParam, sortBy, desc, 1))); add(new BookmarkablePageLink<Void>("watchedQuery", TicketsPage.class, queryParameters(Lucene.watchedby.matches(user.username), milestoneParam, statiiParam, assignedToParam, sortBy, desc, 1))); add(new BookmarkablePageLink<Void>("mentionsQuery", TicketsPage.class, queryParameters(Lucene.mentions.matches(user.username), milestoneParam, statiiParam, assignedToParam, sortBy, desc, 1))); } else { add(new Label("userDivider").setVisible(false)); add(new Label("createdQuery").setVisible(false)); add(new Label("watchedQuery").setVisible(false)); add(new Label("mentionsQuery").setVisible(false)); } Set<TicketQuery> dynamicQueries = new TreeSet<TicketQuery>(); for (TicketLabel label : app().tickets().getLabels(getRepositoryModel())) { String q = QueryBuilder.q(Lucene.labels.matches(label.name)).build(); dynamicQueries.add(new TicketQuery(label.name, q).color(label.color)); } for (QueryResult ticket : results) { if (!StringUtils.isEmpty(ticket.topic)) { String q = QueryBuilder.q(Lucene.topic.matches(ticket.topic)).build(); dynamicQueries.add(new TicketQuery(ticket.topic, q)); } if (!ArrayUtils.isEmpty(ticket.labels)) { for (String label : ticket.labels) { String q = QueryBuilder.q(Lucene.labels.matches(label)).build(); dynamicQueries.add(new TicketQuery(label, q)); } } } if (dynamicQueries.size() == 0) { add(new Label("dynamicQueries").setVisible(false)); } else { Fragment fragment = new Fragment("dynamicQueries", "dynamicQueriesFragment", TicketsPage.this); ListDataProvider<TicketQuery> dynamicQueriesDp = new ListDataProvider<TicketQuery>( new ArrayList<TicketQuery>(dynamicQueries)); DataView<TicketQuery> dynamicQueriesList = new DataView<TicketQuery>("dynamicQuery", dynamicQueriesDp) { private static final long serialVersionUID = 1L; @Override public void populateItem(final Item<TicketQuery> item) { final TicketQuery tq = item.getModelObject(); Component swatch = new Label("swatch", " ").setEscapeModelStrings(false); if (StringUtils.isEmpty(tq.color)) { // calculate a color tq.color = StringUtils.getColor(tq.name); } String background = MessageFormat.format("background-color:{0};", tq.color); swatch.add(new AttributeModifier("style", background)); item.add(swatch); if (activeQuery.contains(tq.query)) { // selected String q = QueryBuilder.q(activeQuery).remove(tq.query).build(); PageParameters params = queryParameters(q, milestoneParam, statiiParam, assignedToParam, sortBy, desc, 1); item.add(new LinkPanel("link", "active", tq.name, TicketsPage.class, params) .setRenderBodyOnly(true)); Label checked = new Label("checked"); WicketUtils.setCssClass(checked, "iconic-o-x"); item.add(checked); item.add(new AttributeModifier("style", background)); } else { // unselected String q = QueryBuilder.q(queryParam).toSubquery().and(tq.query).build(); PageParameters params = queryParameters(q, milestoneParam, statiiParam, assignedToParam, sortBy, desc, 1); item.add(new LinkPanel("link", null, tq.name, TicketsPage.class, params) .setRenderBodyOnly(true)); item.add(new Label("checked").setVisible(false)); } } }; fragment.add(dynamicQueriesList); add(fragment); } // 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", TicketsPage.class, queryParameters(queryParam, milestoneParam, TicketsUI.openStatii, assignedToParam, sortBy, desc, 1))); add(new BookmarkablePageLink<Void>("closedTickets", TicketsPage.class, queryParameters(queryParam, milestoneParam, TicketsUI.closedStatii, assignedToParam, sortBy, desc, 1))); add(new BookmarkablePageLink<Void>("allTickets", TicketsPage.class, queryParameters(queryParam, milestoneParam, null, assignedToParam, sortBy, desc, 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, 1); String css = TicketsUI.getStatusClass(status); item.add(new LinkPanel("statusLink", css, status.toString(), TicketsPage.class, p) .setRenderBodyOnly(true)); } }; add(statiiLinks); // responsible filter List<TicketResponsible> responsibles = new ArrayList<TicketResponsible>(); for (RegistrantAccessPermission perm : app().repositories() .getUserAccessPermissions(getRepositoryModel())) { if (perm.permission.atLeast(AccessPermission.PUSH)) { UserModel u = app().users().getUserModel(perm.registrant); responsibles.add(new TicketResponsible(u)); } } Collections.sort(responsibles); responsibles.add(0, any); TicketResponsible currentResponsible = null; for (TicketResponsible u : responsibles) { if (u.username.equals(assignedToParam)) { currentResponsible = u; break; } } add(new Label("currentResponsible", currentResponsible == null ? "" : currentResponsible.displayname)); ListDataProvider<TicketResponsible> responsibleDp = new ListDataProvider<TicketResponsible>(responsibles); DataView<TicketResponsible> responsibleMenu = new DataView<TicketResponsible>("responsible", responsibleDp) { private static final long serialVersionUID = 1L; @Override public void populateItem(final Item<TicketResponsible> item) { final TicketResponsible u = item.getModelObject(); PageParameters params = queryParameters(queryParam, milestoneParam, statiiParam, u.username, sortBy, desc, 1); item.add(new LinkPanel("responsibleLink", null, u.displayname, TicketsPage.class, params) .setRenderBodyOnly(true)); } }; add(responsibleMenu); PageParameters resetResponsibleParams = queryParameters(queryParam, milestoneParam, statiiParam, null, sortBy, desc, 1); add(new BookmarkablePageLink<Void>("resetResponsible", TicketsPage.class, resetResponsibleParams)); 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, 1); item.add(new LinkPanel("sortLink", null, ts.name, TicketsPage.class, params) .setRenderBodyOnly(true)); } }; add(sortMenu); // paging links buildPager(queryParam, milestoneParam, statiiParam, assignedToParam, sortBy, desc, page, pageSize, results.size(), totalResults); add(new TicketListPanel("ticketList", results, false, false)); // new milestone link RepositoryModel repositoryModel = getRepositoryModel(); final boolean acceptingUpdates = app().tickets().isAcceptingTicketUpdates(repositoryModel) && user != null && user.canAdmin(getRepositoryModel()); if (acceptingUpdates) { add(new LinkPanel("newMilestone", null, getString("gb.newMilestone"), NewMilestonePage.class, WicketUtils.newRepositoryParameter(repositoryName))); } else { add(new Label("newMilestone").setVisible(false)); } // milestones list List<TicketMilestone> openMilestones = new ArrayList<TicketMilestone>(); List<TicketMilestone> closedMilestones = new ArrayList<TicketMilestone>(); for (TicketMilestone milestone : app().tickets().getMilestones(repositoryModel)) { if (milestone.isOpen()) { openMilestones.add(milestone); } else { closedMilestones.add(milestone); } } Collections.sort(openMilestones, new Comparator<TicketMilestone>() { @Override public int compare(TicketMilestone o1, TicketMilestone o2) { return o2.due.compareTo(o1.due); } }); Collections.sort(closedMilestones, new Comparator<TicketMilestone>() { @Override public int compare(TicketMilestone o1, TicketMilestone o2) { return o2.due.compareTo(o1.due); } }); DataView<TicketMilestone> openMilestonesList = milestoneList("openMilestonesList", openMilestones, acceptingUpdates); add(openMilestonesList); DataView<TicketMilestone> closedMilestonesList = milestoneList("closedMilestonesList", closedMilestones, acceptingUpdates); add(closedMilestonesList); } protected DataView<TicketMilestone> milestoneList(String wicketId, List<TicketMilestone> milestones, final boolean acceptingUpdates) { ListDataProvider<TicketMilestone> milestonesDp = new ListDataProvider<TicketMilestone>(milestones); DataView<TicketMilestone> milestonesList = new DataView<TicketMilestone>(wicketId, milestonesDp) { private static final long serialVersionUID = 1L; @Override public void populateItem(final Item<TicketMilestone> item) { Fragment entryPanel = new Fragment("entryPanel", "milestoneListFragment", TicketsPage.this); item.add(entryPanel); final TicketMilestone tm = item.getModelObject(); String[] states; if (tm.isOpen()) { states = TicketsUI.openStatii; } else { states = TicketsUI.closedStatii; } PageParameters params = queryParameters(null, tm.name, states, null, null, true, 1); entryPanel.add(new LinkPanel("milestoneName", null, tm.name, TicketsPage.class, params) .setRenderBodyOnly(true)); String css; String status = tm.status.name(); switch (tm.status) { case Open: if (tm.isOverdue()) { css = "aui-lozenge aui-lozenge-subtle aui-lozenge-error"; status = "overdue"; } else { css = "aui-lozenge aui-lozenge-subtle"; } break; default: css = "aui-lozenge"; break; } Label stateLabel = new Label("milestoneState", status); WicketUtils.setCssClass(stateLabel, css); entryPanel.add(stateLabel); if (tm.due == null) { entryPanel.add(new Label("milestoneDue", getString("gb.notSpecified"))); } else { entryPanel.add(WicketUtils.createDatestampLabel("milestoneDue", tm.due, getTimeZone(), getTimeUtils())); } if (acceptingUpdates) { entryPanel.add(new LinkPanel("editMilestone", null, getString("gb.edit"), EditMilestonePage.class, WicketUtils.newObjectParameter(repositoryName, tm.name))); } else { entryPanel.add(new Label("editMilestone").setVisible(false)); } if (tm.isOpen()) { // re-load milestone with query results TicketMilestone m = app().tickets().getMilestone(getRepositoryModel(), tm.name); Fragment milestonePanel = new Fragment("milestonePanel", "openMilestoneFragment", TicketsPage.this); Label label = new Label("progress"); WicketUtils.setCssStyle(label, "width:" + m.getProgress() + "%;"); milestonePanel.add(label); milestonePanel.add(new LinkPanel("openTickets", null, MessageFormat.format(getString("gb.nOpenTickets"), m.getOpenTickets()), TicketsPage.class, queryParameters(null, tm.name, TicketsUI.openStatii, null, null, true, 1))); milestonePanel.add(new LinkPanel("closedTickets", null, MessageFormat.format(getString("gb.nClosedTickets"), m.getClosedTickets()), TicketsPage.class, queryParameters(null, tm.name, TicketsUI.closedStatii, null, null, true, 1))); milestonePanel.add(new Label("totalTickets", MessageFormat.format(getString("gb.nTotalTickets"), m.getTotalTickets()))); entryPanel.add(milestonePanel); } else { entryPanel.add(new Label("milestonePanel").setVisible(false)); } } }; return milestonesList; } protected PageParameters queryParameters(String query, String milestone, String[] states, String assignedTo, String sort, boolean descending, int page) { PageParameters params = WicketUtils.newRepositoryParameter(repositoryName); 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 (page > 1) { params.add("pg", "" + page); } return params; } protected PageParameters newTicketParameter(QueryResult ticket) { return WicketUtils.newObjectParameter(repositoryName, "" + ticket.number); } @Override protected String getPageName() { return getString("gb.tickets"); } protected void buildPager(final String query, final String milestone, final String[] states, final String assignedTo, final String sort, final boolean desc, 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", TicketsPage.class, queryParameters(query, milestone, states, assignedTo, sort, desc, page - 1)).setEnabled(allowPrev) .setVisible(showNav)); add(new BookmarkablePageLink<Void>("nextLink", TicketsPage.class, queryParameters(query, milestone, states, assignedTo, sort, desc, 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, TicketsPage.class, queryParameters(query, milestone, states, assignedTo, sort, desc, i)); link.setRenderBodyOnly(true); if (i == page) { WicketUtils.setCssClass(item, "active"); } item.add(link); } }; add(pagesView); } }