Java tutorial
/** * Copyright 2009 Roland Foerther, Carl-Eric-Menzel, Olaf Siefart * * 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.senacor.wbs.web.project; import java.io.OutputStream; import java.util.List; import java.util.Locale; import org.apache.wicket.AttributeModifier; import org.apache.wicket.PageParameters; import org.apache.wicket.RequestCycle; import org.apache.wicket.ResourceReference; import org.apache.wicket.extensions.markup.html.repeater.data.sort.OrderByBorder; import org.apache.wicket.markup.html.WebResource; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.form.Form; import org.apache.wicket.markup.html.form.ImageButton; import org.apache.wicket.markup.html.link.BookmarkablePageLink; import org.apache.wicket.markup.html.link.Link; import org.apache.wicket.markup.html.link.PopupSettings; import org.apache.wicket.markup.html.link.ResourceLink; import org.apache.wicket.markup.html.navigation.paging.PagingNavigator; import org.apache.wicket.markup.html.panel.Panel; import org.apache.wicket.markup.repeater.Item; import org.apache.wicket.markup.repeater.data.DataView; import org.apache.wicket.model.AbstractReadOnlyModel; import org.apache.wicket.model.CompoundPropertyModel; import org.apache.wicket.model.IModel; import org.apache.wicket.protocol.http.WebResponse; import org.apache.wicket.request.target.resource.ResourceStreamRequestTarget; import org.apache.wicket.util.resource.AbstractResourceStreamWriter; import org.apache.wicket.util.resource.IResourceStream; import com.lowagie.text.Document; import com.lowagie.text.DocumentException; import com.lowagie.text.Paragraph; import com.lowagie.text.pdf.PdfPCell; import com.lowagie.text.pdf.PdfPTable; import com.lowagie.text.pdf.PdfWriter; import com.senacor.domain.project.Project; import com.senacor.wbs.web.core.layout.BaseWBSPage; public class ProjectListPanel extends Panel { private final DataView dataView; private Locale locale; public ProjectListPanel(final String id, final List<Project> projects) { super(id); this.locale = getLocale(); SortableListDataProvider<Project> projectProvider = new SortableListDataProvider<Project>(projects) { @Override protected Locale getLocale() { return ProjectListPanel.this.getLocale(); } public IModel model(final Object object) { return new CompoundPropertyModel(object); } }; projectProvider.setSort("name", true); dataView = new DataView("projects", projectProvider, 4) { @Override protected void populateItem(final Item item) { Project project = (Project) item.getModelObject(); PageParameters pageParameters = new PageParameters(); pageParameters.put("projectId", project.getId()); item.add(new BookmarkablePageLink("tasks", ProjectDetailsPage.class, pageParameters) .add(new Label("id"))); item.add(new Label("kuerzel")); item.add(new Label("titel", project.getName())); item.add(new Label("budget")); item.add(new Label("costPerHour")); item.add(new Label("start")); item.add(new Label("ende")); item.add(new Label("state")); // Alternieren der Farbe zwischen geraden und // ungeraden Zeilen item.add(new AttributeModifier("class", true, new AbstractReadOnlyModel() { @Override public Object getObject() { return (item.getIndex() % 2 == 1) ? "even" : "odd"; } })); } }; add(dataView); Form localeForm = new Form("localeForm"); ImageButton deButton = new ImageButton("langde", new ResourceReference(BaseWBSPage.class, "de.png")) { @Override public void onSubmit() { ProjectListPanel.this.locale = Locale.GERMANY; } }; localeForm.add(deButton); ImageButton usButton = new ImageButton("langus", new ResourceReference(BaseWBSPage.class, "us.png")) { @Override public void onSubmit() { ProjectListPanel.this.locale = Locale.US; } }; localeForm.add(usButton); add(localeForm); final IResourceStream pdfResourceStream = new AbstractResourceStreamWriter() { public void write(final OutputStream output) { Document document = new Document(); try { PdfWriter.getInstance(document, output); document.open(); // document.add(new // Paragraph("WBS-Projektliste")); // document.add(new Paragraph("")); PdfPTable table = new PdfPTable(new float[] { 1f, 1f, 2f, 1f }); PdfPCell cell = new PdfPCell(new Paragraph("WBS-Projektliste")); cell.setColspan(4); cell.setGrayFill(0.8f); table.addCell(cell); table.addCell("ID"); table.addCell("Krzel"); table.addCell("Titel"); table.addCell("Budget in PT"); for (Project project : projects) { table.addCell("" + project.getId()); table.addCell(project.getKuerzel()); table.addCell(project.getName()); table.addCell("" + project.getBudget()); } document.add(table); document.close(); } catch (DocumentException e) { throw new RuntimeException(e); } } public String getContentType() { return "application/pdf"; } }; WebResource projectsResource = new WebResource() { { setCacheable(false); } @Override public IResourceStream getResourceStream() { return pdfResourceStream; } @Override protected void setHeaders(final WebResponse response) { super.setHeaders(response); // response.setAttachmentHeader("projekte.pdf"); } }; WebResource projectsResourceDL = new WebResource() { { setCacheable(false); } @Override public IResourceStream getResourceStream() { return pdfResourceStream; } @Override protected void setHeaders(final WebResponse response) { super.setHeaders(response); response.setAttachmentHeader("projekte.pdf"); } }; ResourceLink pdfDownload = new ResourceLink("pdfDownload", projectsResourceDL); ResourceLink pdfPopup = new ResourceLink("pdfPopup", projectsResource); PopupSettings popupSettings = new PopupSettings(PopupSettings.STATUS_BAR); popupSettings.setWidth(500); popupSettings.setHeight(700); pdfPopup.setPopupSettings(popupSettings); Link pdfReqTarget = new Link("pdfReqTarget") { @Override public void onClick() { RequestCycle.get() .setRequestTarget(new ResourceStreamRequestTarget(pdfResourceStream, "projekte.pdf")); } }; add(pdfReqTarget); add(pdfDownload); add(pdfPopup); add(new OrderByBorder("orderByKuerzel", "kuerzel", projectProvider)); add(new OrderByBorder("orderByName", "name", projectProvider)); add(new OrderByBorder("orderByBudget", "budget", projectProvider)); add(new OrderByBorder("orderByCostPerHour", "costPerHour", projectProvider)); add(new OrderByBorder("orderByStart", "start", projectProvider)); add(new OrderByBorder("orderByEnde", "ende", projectProvider)); add(new OrderByBorder("orderByState", "state", projectProvider)); add(new PagingNavigator("projectsNavigator", dataView)); } @Override public Locale getLocale() { if (locale == null) { return super.getLocale(); } return locale; } }