/* * 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. */ import com.smartgwt.client.data.Criteria; 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.sample.showcase.client.data.WorldXmlDS; public class GridDataBoundFetchSample implements EntryPoint { public void onModuleLoad() { Canvas canvas = new Canvas(); final ListGrid countryGrid = new ListGrid(); countryGrid.setWidth(500); countryGrid.setHeight(224); countryGrid.setAlternateRecordStyles(true); 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(1); countryGrid.setDataPageSize(50); countryGrid.setDrawAheadRatio(4); IButton fetchUS = new IButton("Fetch Code:US"); fetchUS.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { countryGrid.fetchData(new Criteria("countryCode", "US")); } }); fetchUS.setLeft(0); fetchUS.setTop(240); fetchUS.setWidth(140); IButton fetchEurope = new IButton("Fetch Continent:Europe"); fetchEurope.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { countryGrid.fetchData(new Criteria("continent", "Europe")); } }); fetchEurope.setLeft(160); fetchEurope.setTop(240); fetchEurope.setWidth(140); IButton fetchAll = new IButton("Fetch All"); fetchAll.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { countryGrid.fetchData(); } }); fetchAll.setLeft(320); fetchAll.setTop(240); fetchAll.setWidth(140); canvas.addChild(countryGrid); canvas.addChild(fetchUS); canvas.addChild(fetchEurope); canvas.addChild(fetchAll); canvas.draw(); } }