/* * GWT-Ext Widget Library * Copyright 2007 - 2008, GWT-Ext LLC., and individual contributors as indicated * by the @authors tag. See the copyright.txt 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 3 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. */ import com.google.gwt.core.client.EntryPoint; import com.google.gwt.user.client.ui.RootPanel; import com.gwtext.client.core.EventObject; import com.gwtext.client.data.*; import com.gwtext.client.pagebus.PageBus; import com.gwtext.client.pagebus.SubscriptionCallback; import com.gwtext.client.widgets.Button; import com.gwtext.client.widgets.Panel; import com.gwtext.client.widgets.event.ButtonListenerAdapter; import com.gwtext.client.widgets.grid.ColumnConfig; import com.gwtext.client.widgets.grid.ColumnModel; import com.gwtext.client.widgets.grid.GridPanel; import com.gwtext.client.widgets.layout.HorizontalLayout; import com.gwtext.client.widgets.layout.VerticalLayout; /** * Publish Subscribe example. You must inheit the module com.gwtext.Pagebus in order to use messaging functionality. */ public class PubSubSample implements EntryPoint { private static int count = 1; public static String PUBLISH_TOPIC = "recordAdded"; private RecordDef recordDef = new RecordDef( new FieldDef[]{ new StringFieldDef("company"), new FloatFieldDef("price"), new FloatFieldDef("change"), new FloatFieldDef("pctChange"), new DateFieldDef("lastChanged", "n/j h:ia"), new StringFieldDef("symbol"), new StringFieldDef("industry") } ); public void onModuleLoad() { Panel panel = new Panel(); panel.setBorder(false); panel.setPaddings(15); panel.setLayout(new VerticalLayout(15)); Panel first = new Panel(); first.setLayout(new HorizontalLayout(15)); SubscriberGrid sGrid1 = new SubscriberGrid(); sGrid1.setTitle("Subscriber1"); sGrid1.setHeight(200); sGrid1.setWidth(200); sGrid1.setIconCls("subscribe-icon"); first.add(sGrid1); Button button = new Button("Pubhish Company Record", new ButtonListenerAdapter() { public void onClick(Button button, EventObject e) { Object[] data = new Object[]{"Company - " + (count++), new Double(40.48), new Double(0.51), new Double(1.28), "9/1 12:00am", "DD", "Manufacturing"}; Record record = recordDef.createRecord(data); PageBus.publish(PUBLISH_TOPIC, record); } }); button.setIconCls("publish-icon"); first.add(button); panel.add(first); Panel second = new Panel(); second.setLayout(new HorizontalLayout(15)); SubscriberGrid sGrid2 = new SubscriberGrid(); sGrid2.setTitle("Subscriber2"); sGrid2.setHeight(200); sGrid2.setWidth(200); sGrid2.setIconCls("subscribe-icon"); second.add(sGrid2); SubscriberPanel sPanel = new SubscriberPanel(); sPanel.setTitle("Subscriber Panel"); sPanel.setHeight(200); sPanel.setWidth(300); sPanel.setAutoScroll(true); sPanel.setIconCls("subscribe-icon"); second.add(sPanel); panel.add(second); RootPanel.get().add(panel); } } class SubscriberPanel extends Panel { public SubscriberPanel() { PageBus.subscribe(GridPanelTest.PUBLISH_TOPIC, new SubscriptionCallback() { public void execute(String subject, Object message) { Record record = (Record) message; getBody().update("Received Company update " + record.getAsString("company")); } }); } } class SubscriberGrid extends SampleGrid { public SubscriberGrid() { PageBus.subscribe(GridPanelTest.PUBLISH_TOPIC, new SubscriptionCallback() { public void execute(String subject, Object message) { Record record = (Record) message; store.insert(0, record); } }); } } class SampleGrid extends GridPanel { protected Store store; SampleGrid() { RecordDef recordDef = new RecordDef( new FieldDef[]{ new StringFieldDef("company"), new FloatFieldDef("price"), new FloatFieldDef("change"), new FloatFieldDef("pctChange"), new DateFieldDef("lastChanged", "n/j h:ia"), new StringFieldDef("symbol"), new StringFieldDef("industry") } ); Object[][] data = getCompanyData(); MemoryProxy proxy = new MemoryProxy(data); ArrayReader reader = new ArrayReader(recordDef); store = new Store(proxy, reader); store.load(); setStore(store); ColumnConfig[] columns = new ColumnConfig[]{ //column ID is company which is later used in setAutoExpandColumn new ColumnConfig("Company", "company", 160, true, null, "company"), new ColumnConfig("Price", "price", 35), new ColumnConfig("Change", "change", 45), new ColumnConfig("% Change", "pctChange", 65), new ColumnConfig("Last Updated", "lastChanged", 65), new ColumnConfig("Industry", "industry", 60, true) }; ColumnModel columnModel = new ColumnModel(columns); setColumnModel(columnModel); setFrame(true); setStripeRows(true); setAutoExpandColumn("company"); } private Object[][] getCompanyData() { return new Object[][]{ new Object[]{"3m Co", new Double(71.72), new Double(0.02), new Double(0.03), "9/1 12:00am", "MMM", "Manufacturing"}, new Object[]{"Alcoa Inc", new Double(29.01), new Double(0.42), new Double(1.47), "9/1 12:00am", "AA", "Manufacturing"}, new Object[]{"Altria Group Inc", new Double(83.81), new Double(0.28), new Double(0.34), "9/1 12:00am", "MO", "Manufacturing"}, new Object[]{"American Express Company", new Double(52.55), new Double(0.01), new Double(0.02), "9/1 12:00am", "AXP", "Finance"}, new Object[]{"American International Group, Inc.", new Double(64.13), new Double(0.31), new Double(0.49), "9/1 12:00am", "AIG", "Services"}, new Object[]{"AT&T Inc.", new Double(31.61), new Double(-0.48), new Double(-1.54), "9/1 12:00am", "T", "Services"}, new Object[]{"Boeing Co.", new Double(75.43), new Double(0.53), new Double(0.71), "9/1 12:00am", "BA", "Manufacturing"}, new Object[]{"Caterpillar Inc.", new Double(67.27), new Double(0.92), new Double(1.39), "9/1 12:00am", "CAT", "Services"}, new Object[]{"Citigroup, Inc.", new Double(49.37), new Double(0.02), new Double(0.04), "9/1 12:00am", "C", "Finance"}, new Object[]{"E.I. du Pont de Nemours and Company", new Double(40.48), new Double(0.51), new Double(1.28), "9/1 12:00am", "DD", "Manufacturing"} }; } }