Java tutorial
/** * Copyright 2013 Tommi S.E. Laukkanen * * 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 org.groom.review.ui.flows.admin; import com.vaadin.data.Property; import com.vaadin.ui.*; import org.bubblecloud.ilves.component.flow.AbstractFlowlet; import org.bubblecloud.ilves.component.grid.FieldDescriptor; import org.bubblecloud.ilves.component.grid.FilterDescriptor; import org.bubblecloud.ilves.component.grid.FormattingTable; import org.bubblecloud.ilves.component.grid.Grid; import org.bubblecloud.ilves.model.Company; import org.bubblecloud.ilves.util.ContainerUtil; import org.groom.review.ui.ReviewFields; import org.groom.review.model.Review; import com.vaadin.data.util.filter.Compare; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; import org.vaadin.addons.lazyquerycontainer.LazyEntityContainer; import javax.persistence.EntityManager; import java.util.ArrayList; import java.util.List; /** * Review list Flowlet. * * @author Tommi S.E. Laukkanen */ public final class ReviewsFlowlet extends AbstractFlowlet { /** Serial version UID. */ private static final long serialVersionUID = 1L; /** The container. */ private LazyEntityContainer<Review> container; /** The grid. */ private Grid grid; /** The review button. */ private Button reviewButton; @Override public String getFlowletKey() { return "reviews-management"; } @Override public boolean isDirty() { return false; } @Override public boolean isValid() { return true; } @Override public void initialize() { final List<FieldDescriptor> fieldDescriptors = ReviewFields.getFieldDescriptors(Review.class); final List<FilterDescriptor> filterDefinitions = new ArrayList<FilterDescriptor>(); filterDefinitions.add( new FilterDescriptor("title", "title", "Title", new TextField(), 200, "like", String.class, "")); final GridLayout gridLayout = new GridLayout(1, 2); gridLayout.setSizeFull(); gridLayout.setMargin(false); gridLayout.setSpacing(true); gridLayout.setRowExpandRatio(1, 1f); setViewContent(gridLayout); final HorizontalLayout buttonLayout = new HorizontalLayout(); buttonLayout.setSpacing(true); buttonLayout.setSizeUndefined(); gridLayout.addComponent(buttonLayout, 0, 0); final EntityManager entityManager = getSite().getSiteContext().getObject(EntityManager.class); container = new LazyEntityContainer<Review>(entityManager, true, false, false, Review.class, 1000, new String[] { "created" }, new boolean[] { true }, "reviewId"); ContainerUtil.addContainerProperties(container, fieldDescriptors); final Table table = new FormattingTable(); grid = new Grid(table, container); grid.setFields(fieldDescriptors); grid.setFilters(filterDefinitions); grid.setWidth(100, Unit.PERCENTAGE); grid.setHeight(UI.getCurrent().getPage().getBrowserWindowHeight() - 285, Unit.PIXELS); table.setColumnCollapsed("reviewId", true); gridLayout.addComponent(grid, 0, 1); /*final Button addButton = getSite().getButton("add"); buttonLayout.addComponent(addButton); addButton.addClickListener(new ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { final Review review = new Review(); review.setCreated(new Date()); review.setModified(review.getCreated()); review.setOwner((Company) getSite().getSiteContext().getObject(Company.class)); final ReviewFlowlet reviewView = getViewSheet().forward(ReviewFlowlet.class); reviewView.edit(review, true); } });*/ final Button editButton = getSite().getButton("edit"); buttonLayout.addComponent(editButton); editButton.addClickListener(new ClickListener() { /** Serial version UID. */ private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { final Review entity = container.getEntity(grid.getSelectedItemId()); final ReviewFlowlet reviewView = getFlow().forward(ReviewFlowlet.class); reviewView.edit(entity, false); } }); table.addValueChangeListener(new Property.ValueChangeListener() { @Override public void valueChange(Property.ValueChangeEvent event) { editButton.setEnabled(table.getValue() != null); } }); reviewButton = new Button("Report"); reviewButton.setImmediate(true); buttonLayout.addComponent(reviewButton); reviewButton.addListener(new ClickListener() { /** Serial version UID. */ private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { final Review entity = container.getEntity(grid.getSelectedItemId()); final Company company = getSite().getSiteContext().getObject(Company.class); getUI().getPage().open(company.getUrl() + "/../report?reviewId=" + entity.getReviewId(), "_blank"); } }); /*final Button removeButton = getSite().getButton("remove"); buttonLayout.addComponent(removeButton); removeButton.addClickListener(new ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { container.removeItem(grid.getSelectedItemId()); container.commit(); } });*/ final Company company = getSite().getSiteContext().getObject(Company.class); container.removeDefaultFilters(); container.addDefaultFilter(new Compare.Equal("owner.companyId", company.getCompanyId())); grid.refresh(); } @Override public void enter() { container.refresh(); } }