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.shared.subsys.io; import java.util.List; import java.util.Map; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.user.cellview.client.TextColumn; import com.google.gwt.user.client.ui.VerticalPanel; import com.google.gwt.user.client.ui.Widget; import com.google.gwt.view.client.ListDataProvider; import com.google.gwt.view.client.ProvidesKey; import com.google.gwt.view.client.SelectionChangeEvent; import com.google.gwt.view.client.SingleSelectionModel; import org.jboss.as.console.client.Console; import org.jboss.as.console.client.core.SuspendableViewImpl; import org.jboss.as.console.client.v3.dmr.AddressTemplate; import org.jboss.as.console.client.v3.dmr.ResourceDescription; import org.jboss.as.console.mbui.widgets.ModelNodeFormBuilder; import org.jboss.ballroom.client.rbac.SecurityContext; import org.jboss.ballroom.client.widgets.forms.FormCallback; import org.jboss.ballroom.client.widgets.tables.DefaultCellTable; import org.jboss.ballroom.client.widgets.tools.ToolButton; import org.jboss.ballroom.client.widgets.tools.ToolStrip; import org.jboss.dmr.client.Property; /** * @author Harald Pehl */ public abstract class IOPanel extends SuspendableViewImpl { protected final IOPresenter presenter; protected final DefaultCellTable<Property> table; protected final ProvidesKey<Property> providesKey; protected final ListDataProvider<Property> dataProvider; protected final SingleSelectionModel<Property> selectionModel; protected final AddressTemplate address; @SuppressWarnings("unchecked") public IOPanel(AddressTemplate address, IOPresenter presenter) { this.address = address; this.presenter = presenter; this.providesKey = new ProvidesKey<Property>() { @Override public Object getKey(Property item) { return item.getName(); } }; this.table = new DefaultCellTable<>(5, providesKey); this.dataProvider = new ListDataProvider<Property>(providesKey); this.selectionModel = new SingleSelectionModel<Property>(providesKey); dataProvider.addDataDisplay(table); table.setSelectionModel(selectionModel); } // ------------------------------------------------------ builder / setup methods protected ToolStrip buildTools() { ToolStrip tools = new ToolStrip(); tools.addToolButtonRight(new ToolButton(Console.CONSTANTS.common_label_add(), new ClickHandler() { @Override public void onClick(ClickEvent event) { onAdd(); } })); tools.addToolButtonRight(new ToolButton(Console.CONSTANTS.common_label_delete(), new ClickHandler() { @Override public void onClick(ClickEvent event) { onRemove(selectionModel.getSelectedObject().getName()); } })); return tools; } @SuppressWarnings("unchecked") protected DefaultCellTable<Property> setupTable() { TextColumn<Property> nameColumn = new TextColumn<Property>() { @Override public String getValue(Property node) { return node.getName(); } }; table.addColumn(nameColumn, "Name"); return table; } protected Widget buildFormPanel(final ResourceDescription definition, SecurityContext securityContext) { final ModelNodeFormBuilder.FormAssets formAssets = new ModelNodeFormBuilder().setConfigOnly() .setResourceDescription(definition).setSecurityContext(securityContext).build(); formAssets.getForm().setToolsCallback(new FormCallback() { @Override public void onSave(Map changeSet) { IOPanel.this.onModify(selectionModel.getSelectedObject().getName(), formAssets.getForm().getChangedValues()); } @Override public void onCancel(Object entity) { formAssets.getForm().cancel(); } }); selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() { @Override public void onSelectionChange(SelectionChangeEvent event) { Property worker = selectionModel.getSelectedObject(); if (worker != null) { formAssets.getForm().edit(worker.getValue()); } else { formAssets.getForm().clearValues(); } } }); VerticalPanel formPanel = new VerticalPanel(); formPanel.setStyleName("fill-layout-width"); formPanel.add(formAssets.getHelp().asWidget()); formPanel.add(formAssets.getForm().asWidget()); return formPanel; } // ------------------------------------------------------ abstract methods protected abstract void onAdd(); protected abstract void onRemove(final String name); protected abstract void onModify(final String name, final Map<String, Object> changedValues); // ------------------------------------------------------ select & update public void select(String key) { for (Property property : dataProvider.getList()) { if (property.getName().equals(key)) { selectionModel.setSelected(property, true); break; } } } public void update(final List<Property> models) { dataProvider.setList(models); if (models.isEmpty()) { selectionModel.clear(); } else { table.selectDefaultEntity(); } SelectionChangeEvent.fire(selectionModel); // updates ModelNodeForm's editedEntity with current value } }