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Grid Data Bound

/*  * SmartGWT (GWT for SmartClient)  * Copyright 2008 and beyond, Isomorphic Software, Inc.  *  * SmartGWT is free software; you can redistribute it and/or modify it  * under the terms of the GNU Lesser General Public License version 3  * as published by the Free Software Foundation.  SmartGWT is also  * available under typical commercial license terms - see  * http://smartclient.com/license  * 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.  */ package com.smartgwt.sample.showcase.client; import com.google.gwt.core.client.EntryPoint; import com.google.gwt.user.client.ui.RootPanel; import com.smartgwt.client.data.DataSource; import com.smartgwt.client.data.fields.DataSourceBooleanField; import com.smartgwt.client.data.fields.DataSourceDateField; import com.smartgwt.client.data.fields.DataSourceFloatField; import com.smartgwt.client.data.fields.DataSourceIntegerField; import com.smartgwt.client.data.fields.DataSourceLinkField; import com.smartgwt.client.data.fields.DataSourceTextField; import com.smartgwt.client.widgets.Canvas; import com.smartgwt.client.widgets.IButton; import com.smartgwt.client.widgets.events.ClickEvent; import com.smartgwt.client.widgets.events.ClickHandler; import com.smartgwt.client.widgets.grid.ListGrid; import com.smartgwt.client.widgets.grid.ListGridField; import com.smartgwt.client.widgets.grid.ListGridRecord; public class Showcase implements EntryPoint {   public void onModuleLoad() {     RootPanel.get().add(getViewPanel());   }   public Canvas getViewPanel() {     Canvas canvas = new Canvas();     final ListGrid countryGrid = new ListGrid();     countryGrid.setWidth(500);     countryGrid.setHeight(224);     countryGrid.setAlternateRecordStyles(true);     countryGrid.setEmptyCellValue("-");     countryGrid.setDataSource(WorldXmlDS.getInstance());     ListGridField countryCodeField = new ListGridField("countryCode", "Country Code");     ListGridField nameField = new ListGridField("countryName", "Country");     ListGridField capitalField = new ListGridField("capital", "Capital");     ListGridField continentField = new ListGridField("continent", "Continent");     countryGrid.setFields(countryCodeField, nameField, capitalField, continentField);     countryGrid.setSortField(0);     countryGrid.setDataPageSize(50);     countryGrid.setAutoFetchData(true);     IButton addCountry = new IButton("Add new country");     addCountry.addClickHandler(new ClickHandler() {       public void onClick(ClickEvent event) {         ListGridRecord rec = new ListGridRecord();         int number = getNextNumber();         rec.setAttribute("countryCode", "A" + number);         rec.setAttribute("countryName", "Country " + number);         rec.setAttribute("capital", "Capital " + number);         countryGrid.addData(rec);       }     });     addCountry.setLeft(0);     addCountry.setTop(240);     addCountry.setWidth(140);     canvas.addChild(countryGrid);     canvas.addChild(addCountry);     return canvas;   }   private int counter = 1;   private int getNextNumber() {     return counter++;   } } class WorldXmlDS extends DataSource {   private static WorldXmlDS instance = null;   public static WorldXmlDS getInstance() {       if (instance == null) {           instance = new WorldXmlDS("worldDS");       }       return instance;   }   public WorldXmlDS(String id) {       setID(id);       setRecordXPath("/List/country");       DataSourceIntegerField pkField = new DataSourceIntegerField("pk");       pkField.setHidden(true);       pkField.setPrimaryKey(true);       DataSourceTextField countryCodeField = new DataSourceTextField("countryCode", "Code");       countryCodeField.setRequired(true);       DataSourceTextField countryNameField = new DataSourceTextField("countryName", "Country");       countryNameField.setRequired(true);       DataSourceTextField capitalField = new DataSourceTextField("capital", "Capital");       DataSourceTextField governmentField = new DataSourceTextField("government", "Government", 500);       DataSourceBooleanField memberG8Field = new DataSourceBooleanField("member_g8", "G8");       DataSourceTextField continentField = new DataSourceTextField("continent", "Continent");       continentField.setValueMap("Europe", "Asia", "North America", "Australia/Oceania", "South America", "Africa");       DataSourceDateField independenceField = new DataSourceDateField("independence", "Nationhood");       DataSourceFloatField areaField = new DataSourceFloatField("area", "Area (km²)");       DataSourceIntegerField populationField = new DataSourceIntegerField("population", "Population");       DataSourceFloatField gdpField = new DataSourceFloatField("gdp", "GDP ($M)");              setFields(pkField, countryCodeField, countryNameField, capitalField, governmentField,               memberG8Field, continentField, independenceField, areaField, populationField,               gdpField);       setDataURL("ds/test_data/world.data.xml");       setClientOnly(true);   } }             SmartGWT.zip( 9,880 k)