Java tutorial
package eu.uqasar.web.pages.adapterdata; /* * #%L * U-QASAR * %% * Copyright (C) 2012 - 2015 U-QASAR Consortium * %% * 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. * #L% */ import java.util.ArrayList; import java.util.Collection; import java.util.Date; import java.util.Iterator; import org.apache.wicket.Component; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.ajax.form.AjaxFormChoiceComponentUpdatingBehavior; import org.apache.wicket.ajax.markup.html.form.AjaxSubmitLink; import org.apache.wicket.markup.head.IHeaderResponse; import org.apache.wicket.markup.head.OnLoadHeaderItem; import org.apache.wicket.markup.html.WebMarkupContainer; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.form.Check; import org.apache.wicket.markup.html.form.CheckGroup; import org.apache.wicket.markup.html.form.CheckGroupSelector; import org.apache.wicket.markup.html.form.Form; 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.model.IModel; import org.apache.wicket.model.Model; import org.apache.wicket.model.PropertyModel; import org.apache.wicket.model.StringResourceModel; import org.apache.wicket.request.mapper.parameter.PageParameters; import de.agilecoders.wicket.core.markup.html.bootstrap.behavior.CssClassNameAppender; import de.agilecoders.wicket.core.markup.html.bootstrap.button.Buttons; import de.agilecoders.wicket.core.markup.html.bootstrap.dialog.Modal; import de.agilecoders.wicket.core.markup.html.bootstrap.navigation.ajax.BootstrapAjaxPagingNavigator; import eu.uqasar.model.measure.JiraMetricMeasurement; import eu.uqasar.model.settings.adapter.AdapterSettings; import eu.uqasar.service.dataadapter.AdapterSettingsService; import eu.uqasar.service.dataadapter.JiraDataService; import eu.uqasar.web.components.JSTemplates; import eu.uqasar.web.components.ModalActionButton; import eu.uqasar.web.components.NotificationModal; import eu.uqasar.web.pages.BasePage; import eu.uqasar.web.provider.EntityProvider; import javax.inject.Inject; public class IssueTrackerDataManagementPage extends BasePage { private static final long serialVersionUID = -1183577810397631644L; @Inject private JiraDataService jiraService; @Inject private AdapterSettingsService adapterService; // how many items do we show per page private static final int itemsPerPage = 10; private final WebMarkupContainer jiraContainer = newJiraContainer(); private final Modal deleteConfirmationModal; private final CheckGroup<JiraMetricMeasurement> jiraGroup; private final AjaxSubmitLink deleteSelectedButton; /** * Constructor building the page * * @param parameters */ public IssueTrackerDataManagementPage(final PageParameters parameters) { super(parameters); Long adapterId = parameters.get("id").toLongObject(); final Form<JiraMetricMeasurement> deleteForm = new Form<>("deleteForm"); add(deleteForm); // add checkgroup for selecting multiple measurements deleteForm.add(jiraGroup = newJiraCheckGroup()); // add the container holding list of existing measurements jiraGroup.add(jiraContainer.setOutputMarkupId(true)); jiraContainer.add(new CheckGroupSelector("jiraGroupSelector", jiraGroup)); DataView<JiraMetricMeasurement> jiraMeasurements = new DataView<JiraMetricMeasurement>("jiraMeasurements", new JiraProvider(adapterId), itemsPerPage) { private static final long serialVersionUID = -2997007102890828835L; @Override protected void populateItem(final Item<JiraMetricMeasurement> item) { final JiraMetricMeasurement jiraMetricMeasurement = item.getModelObject(); item.add(new Check<>("jiraCheck", item.getModel(), jiraGroup)); item.add(new Label("key", new PropertyModel<String>(jiraMetricMeasurement, "jiraKey"))); item.add(new Label("self", new PropertyModel<String>(jiraMetricMeasurement, "self"))); item.add(new Label("jiraMetric", new PropertyModel<String>(jiraMetricMeasurement, "jiraMetric"))); item.add(new Label("jsonContent", new PropertyModel<String>(jiraMetricMeasurement, "jsonContent"))); item.add(new Label("timeStamp", new PropertyModel<Date>(jiraMetricMeasurement, "timeStamp"))); // add button to show AddEditPage item.add(new BookmarkablePageLink<IssueTrackerDataManagementEditPage>("edit", IssueTrackerDataManagementEditPage.class, forTableEntity(jiraMetricMeasurement, parameters))); } }; jiraContainer.add(jiraMeasurements); // add links for table pagination jiraContainer.add(new BootstrapAjaxPagingNavigator("navigatorHead", jiraMeasurements)); jiraContainer.add(new BootstrapAjaxPagingNavigator("navigatorFoot", jiraMeasurements)); // add button to delete selected items jiraContainer.add(deleteSelectedButton = newDeleteSelectedButton(jiraGroup)); // add confirmation modal for deleting products add(deleteConfirmationModal = newDeleteConfirmationModal()); } /* * (non-Javadoc) * * @see eu.uqasar.web.BasePage#getPageTitleModel() */ @Override protected IModel<String> getPageTitleModel() { return new StringResourceModel("page.title", this, null); } /** * * @param tableEntity * @return */ private static PageParameters forTableEntity(JiraMetricMeasurement tableEntity, final PageParameters parameters) { return new PageParameters().set("idForTableEntity", tableEntity.getId()).set("id", parameters.get("id")); } /** * * @return */ private WebMarkupContainer newJiraContainer() { return new WebMarkupContainer("jiraContainer") { private static final long serialVersionUID = -6725820191388731244L; @Override public void renderHead(IHeaderResponse response) { super.renderHead(response); // add javascript to load tagsinput plugin response.render( OnLoadHeaderItem.forScript(String.format(JSTemplates.LOAD_TABLE_SORTER, "Product-list"))); } } ; } /** * * @return */ private CheckGroup<JiraMetricMeasurement> newJiraCheckGroup() { CheckGroup<JiraMetricMeasurement> checkGroup = new CheckGroup<>("jiraGroup", new ArrayList<JiraMetricMeasurement>()); checkGroup.add(new AjaxFormChoiceComponentUpdatingBehavior() { private static final long serialVersionUID = -6392535303739708646L; @Override protected void onUpdate(AjaxRequestTarget target) { updateDeleteSelectedButton(target); } }); return checkGroup; } /** * * @return */ private AjaxSubmitLink newDeleteSelectedButton(final CheckGroup<JiraMetricMeasurement> jiraGroup) { return new AjaxSubmitLink("deleteSelected") { /** * */ private static final long serialVersionUID = 9197693153498795398L; @Override protected void onConfigure() { super.onConfigure(); if (jiraGroup.getModelObject().isEmpty()) { add(new CssClassNameAppender(Model.of("disabled")) { /** * */ private static final long serialVersionUID = -5695023994382480066L; // remove css class when component is rendered again @Override public boolean isTemporary(Component component) { return true; } }); setEnabled(false); } else { setEnabled(true); } } @Override protected void onSubmit(AjaxRequestTarget target, Form<?> form) { deleteConfirmationModal.appendShowDialogJavaScript(target); } }; } /** * * @return */ private NotificationModal newDeleteConfirmationModal() { final NotificationModal notificationModal = new NotificationModal("deleteConfirmationModal", new StringResourceModel("delete.confirmation.modal.header", this, null), new StringResourceModel("delete.confirmation.modal.message", this, null), false); notificationModal.addButton(new ModalActionButton(notificationModal, Buttons.Type.Primary, new StringResourceModel("delete.confirmation.modal.submit.text", this, null), true) { private static final long serialVersionUID = -8579196626175159237L; @Override protected void onAfterClick(AjaxRequestTarget target) { // confirmed --> delete deleteSelectedMeasurements(jiraGroup.getModelObject(), target); // close modal closeDeleteConfirmationModal(notificationModal, target); } }); notificationModal.addButton(new ModalActionButton(notificationModal, Buttons.Type.Default, new StringResourceModel("delete.confirmation.modal.cancel.text", this, null), true) { private static final long serialVersionUID = 8931306355855637710L; @Override protected void onAfterClick(AjaxRequestTarget target) { // Cancel clicked --> do nothing, close modal closeDeleteConfirmationModal(notificationModal, target); } }); return notificationModal; } /** * * @param target */ private void deleteSelectedMeasurements(Collection<JiraMetricMeasurement> jiraMeasurements, AjaxRequestTarget target) { String message = new StringResourceModel("jirameasurement.selected.deleted", this, null).getString(); jiraService.delete(jiraMeasurements); getPage().success(message); updateFeedbackPanel(target); updateJiraList(target); // update the delete button jiraGroup.updateModel(); updateDeleteSelectedButton(target); } /** * * @param modal * @param target */ private void closeDeleteConfirmationModal(final Modal modal, AjaxRequestTarget target) { // close modal.appendCloseDialogJavaScript(target); } /** * * @param target */ private void updateDeleteSelectedButton(AjaxRequestTarget target) { target.add(deleteSelectedButton); } /** * * @param target */ private void updateJiraList(AjaxRequestTarget target) { target.add(jiraContainer); } /** * * @param target */ private void updateFeedbackPanel(AjaxRequestTarget target) { target.add(feedbackPanel); } private final class JiraProvider extends EntityProvider<JiraMetricMeasurement> { /** * */ private static final long serialVersionUID = -2276310015122208686L; private final AdapterSettings adapter; public JiraProvider(Long adapterID) { adapter = adapterService.getById(adapterID); } @Override public Iterator<? extends JiraMetricMeasurement> iterator(long first, long count) { return jiraService .getAllByAdapter(Long.valueOf(first).intValue(), Long.valueOf(count).intValue(), adapter) .iterator(); } @Override public long size() { return jiraService.countAllByAdapter(adapter); } } }