Java tutorial
/* * Copyright 2012 Nabeel Mukhtar * * 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.appspot.socialinquirer.client.view; import java.util.ArrayList; import com.appspot.socialinquirer.client.KeyProvider; import com.appspot.socialinquirer.client.constant.EverScribeConstants; import com.appspot.socialinquirer.shared.dto.User; import com.google.gwt.cell.client.CheckboxCell; import com.google.gwt.cell.client.ClickableTextCell; import com.google.gwt.core.client.GWT; import com.google.gwt.core.client.RunAsyncCallback; import com.google.gwt.safehtml.shared.SafeHtmlUtils; import com.google.gwt.uibinder.client.UiBinder; import com.google.gwt.uibinder.client.UiField; import com.google.gwt.uibinder.client.UiTemplate; import com.google.gwt.user.cellview.client.CellTable; import com.google.gwt.user.cellview.client.Column; import com.google.gwt.user.cellview.client.SimplePager; import com.google.gwt.user.cellview.client.SimplePager.TextLocation; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.ui.Composite; import com.google.gwt.user.client.ui.MenuBar; import com.google.gwt.user.client.ui.MenuItem; import com.google.gwt.user.client.ui.Widget; import com.google.gwt.view.client.DefaultSelectionEventManager; import com.google.gwt.view.client.SelectionModel; import com.google.gwt.view.client.SingleSelectionModel; /** * The Class NetworkViewImpl. */ public class NetworkViewImpl extends Composite implements NetworkView { /** The ui binder. */ private static NetworkViewUiBinder uiBinder = GWT.create(NetworkViewUiBinder.class); /** The presenter. */ private Presenter presenter; /** The constants. */ private EverScribeConstants constants; /** * The Interface NetworkViewUiBinder. */ @UiTemplate("NetworkView.ui.xml") interface NetworkViewUiBinder extends UiBinder<Widget, NetworkViewImpl> { } /** The connections table. */ @UiField(provided = true) CellTable<User> connectionsTable; /** The connections paginator. */ @UiField(provided = true) SimplePager connectionsPaginator; /** The endorse menu. */ @UiField MenuItem followMenu, endorseMenu; /** The page bar. */ @UiField MenuBar pageBar; /** * Instantiates a new network view impl. * * @param constants the constants */ public NetworkViewImpl(EverScribeConstants constants) { this.constants = constants; GWT.runAsync(new RunAsyncCallback() { public void onFailure(Throwable caught) { Window.alert("Code download failed"); } public void onSuccess() { connectionsTable = new CellTable<User>(); SimplePager.Resources linkedHubPagerResources = GWT.create(SimplePager.Resources.class); connectionsPaginator = new SimplePager(TextLocation.CENTER, linkedHubPagerResources, false, 0, true); connectionsPaginator.setDisplay(connectionsTable); final SelectionModel<User> linkedHubConnectionsSelectionModel = new SingleSelectionModel<User>( new KeyProvider<User>()); connectionsTable.setSelectionModel(linkedHubConnectionsSelectionModel, DefaultSelectionEventManager.<User>createCheckboxManager()); initTableColumns(connectionsTable, linkedHubConnectionsSelectionModel); initWidget(uiBinder.createAndBindUi(NetworkViewImpl.this)); } }); } /* (non-Javadoc) * @see com.appspot.linkedhub.client.view.ConnectionsView#setName(java.lang.String) */ @Override public void setName(String name) { // TODO Auto-generated method stub } /* (non-Javadoc) * @see com.appspot.linkedhub.client.view.ConnectionsView#setPresenter(com.appspot.linkedhub.client.view.ConnectionsView.Presenter) */ @Override public void setPresenter(Presenter listener) { this.presenter = listener; } /* (non-Javadoc) * @see com.appspot.linkedhub.client.view.ConnectionsView#setLinkedHubConnections(java.util.List) */ @Override public void setConnections(ArrayList<User> linkedHubConnections) { connectionsTable.setRowData(linkedHubConnections); } /** * Inits the table columns. * * @param table the table * @param selectionModel the selection model */ private void initTableColumns(CellTable<User> table, final SelectionModel<User> selectionModel) { // Checkbox column. This table will uses a checkbox column for selection. // Alternatively, you can call cellTable.setSelectionEnabled(true) to enable // mouse selection. Column<User, Boolean> checkColumn = new Column<User, Boolean>(new CheckboxCell(true, false)) { @Override public Boolean getValue(User object) { // Get the value from the selection model. return selectionModel.isSelected(object); } }; table.addColumn(checkColumn, SafeHtmlUtils.fromSafeConstant("<br/>")); // Name. Column<User, String> nameColumn = new Column<User, String>(new ClickableTextCell()) { @Override public String getValue(User object) { return object.getFullName(); } }; table.addColumn(nameColumn, constants.connectionsTableColumnName()); // Headline. Column<User, String> headlineColumn = new Column<User, String>(new ClickableTextCell()) { @Override public String getValue(User object) { return String.valueOf(object.getReputation()); } }; table.addColumn(headlineColumn, constants.connectionsTableColumnReputation()); // Summary. Column<User, String> projectsColumn = new Column<User, String>(new ClickableTextCell()) { @Override public String getValue(User object) { return String.valueOf(object.getAcceptRate()); } }; table.addColumn(projectsColumn, constants.connectionsTableColumnAcceptRate()); } }