Java tutorial
/* * JBoss, Home of Professional Open Source. * Copyright 2010, Red Hat, Inc., and individual contributors * as indicated by the @author tags. See the copyright.txt file in the * distribution for a full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.jboss.as.console.client.v3.deployment.wizard; import com.google.gwt.cell.client.CheckboxCell; import com.google.gwt.safehtml.shared.SafeHtmlUtils; import com.google.gwt.user.cellview.client.Column; import com.google.gwt.user.cellview.client.TextColumn; import com.google.gwt.user.client.ui.HTML; import com.google.gwt.user.client.ui.IsWidget; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.VerticalPanel; import com.google.gwt.user.client.ui.Widget; import com.google.gwt.view.client.CellPreviewEvent; import com.google.gwt.view.client.DefaultSelectionEventManager; import com.google.gwt.view.client.DefaultSelectionEventManager.SelectAction; import com.google.gwt.view.client.ListDataProvider; import com.google.gwt.view.client.MultiSelectionModel; import com.google.gwt.view.client.ProvidesKey; import org.jboss.as.console.client.Console; import org.jboss.as.console.client.v3.deployment.Content; import org.jboss.as.console.client.v3.deployment.DomainDeploymentFinder; import org.jboss.ballroom.client.widgets.tables.DefaultCellTable; import org.jboss.ballroom.client.widgets.tables.DefaultPager; import org.jboss.ballroom.client.widgets.window.DefaultWindow; import org.jboss.ballroom.client.widgets.window.DialogueOptions; import org.jboss.ballroom.client.widgets.window.TrappedFocusPanel; import org.jboss.ballroom.client.widgets.window.WindowContentBuilder; import java.util.List; import java.util.Set; import static com.google.gwt.dom.client.Style.Unit.PX; /** * @author Harald Pehl */ public class UnassignContentDialog implements IsWidget { private final DomainDeploymentFinder presenter; private Content content; private ListDataProvider<String> dataProvider; private MultiSelectionModel<String> selectionModel; private DefaultWindow window; private HTML errorMessages; private Label intro; private DefaultCellTable<String> table; public UnassignContentDialog(final DomainDeploymentFinder presenter) { this.presenter = presenter; } @Override @SuppressWarnings("unchecked") public Widget asWidget() { VerticalPanel root = new VerticalPanel(); root.setStyleName("window-content"); errorMessages = new HTML(); errorMessages.setVisible(false); errorMessages.setStyleName("error-panel"); intro = new Label(); intro.getElement().getStyle().setMarginBottom(10, PX); root.add(new HTML("<h3>Unassign Content</h3>")); root.add(errorMessages); root.add(intro); // provider, selection model ProvidesKey<String> keyProvider = item -> item; dataProvider = new ListDataProvider<>(keyProvider); selectionModel = new MultiSelectionModel<>(keyProvider); // table table = new DefaultCellTable<>(5, keyProvider); table.setSelectionModel(selectionModel, DefaultSelectionEventManager .createCustomManager(new DefaultSelectionEventManager.CheckboxEventTranslator<String>() { @Override public SelectAction translateSelectionEvent(CellPreviewEvent<String> event) { SelectAction action = super.translateSelectionEvent(event); if (action.equals(SelectAction.IGNORE)) { String serverGroup = event.getValue(); boolean selected = selectionModel.isSelected(serverGroup); return selected ? SelectAction.DESELECT : SelectAction.SELECT; } return action; } })); dataProvider.addDataDisplay(table); root.add(table); // columns Column<String, Boolean> checkColumn = new Column<String, Boolean>(new CheckboxCell(true, false)) { @Override public Boolean getValue(String serverGroup) { return selectionModel.isSelected(serverGroup); } }; TextColumn<String> nameColumn = new TextColumn<String>() { @Override public String getValue(String serverGroup) { return serverGroup; } }; table.addColumn(checkColumn, SafeHtmlUtils.fromSafeConstant("<br/>")); table.setColumnWidth(checkColumn, 40, PX); table.addColumn(nameColumn, "Server Group"); // pager DefaultPager pager = new DefaultPager(); pager.setWidth("auto"); pager.setDisplay(table); root.add(pager); return new TrappedFocusPanel(new WindowContentBuilder(root, new DialogueOptions(Console.CONSTANTS.common_label_unassign(), event -> { Set<String> selectedSet = selectionModel.getSelectedSet(); if (selectedSet.isEmpty()) { errorMessages.setText(Console.CONSTANTS.pleaseSelectServerGroup()); errorMessages.setVisible(true); } else { close(); presenter.unassignContent(content, selectedSet); } }, Console.CONSTANTS.common_label_cancel(), event -> close())).build()); } public void open(final Content content, final List<String> serverGroups) { this.content = content; if (window == null) { window = new DefaultWindow("Unassign Content"); window.setWidth(520); window.setHeight(400); window.trapWidget(asWidget()); window.setGlassEnabled(true); } errorMessages.setText(""); errorMessages.setVisible(false); intro.setText(Console.MESSAGES.unassignContent(content.getName())); dataProvider.setList(serverGroups); selectionModel.clear(); table.selectDefaultEntity(); window.center(); } public void close() { if (window != null) { window.hide(); } } }