/* * Smart GWT (GWT for SmartClient) * Copyright 2008 and beyond, Isomorphic Software, Inc. * * Smart GWT 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. Smart GWT 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.google.gwt.i18n.client.NumberFormat; import com.smartgwt.client.types.Alignment; import com.smartgwt.client.types.ListGridFieldType; 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.CellFormatter; import com.smartgwt.client.widgets.grid.ListGrid; import com.smartgwt.client.widgets.grid.ListGridField; import com.smartgwt.client.widgets.grid.ListGridRecord; import com.smartgwt.client.widgets.layout.HLayout; import com.smartgwt.client.widgets.layout.VLayout; import com.smartgwt.sample.showcase.client.data.CountryXmlDS; import com.google.gwt.core.client.EntryPoint; public class FormulaSummaryBuilderSample implements EntryPoint { @Override protected boolean isTopIntro() { return true; } public void onModuleLoad() { VLayout layout = new VLayout(15); final ListGrid countryGrid = new ListGrid(); countryGrid.setLeaveScrollbarGap(true); countryGrid.setWidth(750); countryGrid.setHeight(224); countryGrid.setDataSource(CountryXmlDS.getInstance()); countryGrid.setAutoFetchData(true); //allow users to add formula and summary fields //accessible in the grid header context menu countryGrid.setCanAddFormulaFields(true); countryGrid.setCanAddSummaryFields(true); ListGridField countryCodeField = new ListGridField("countryCode", "Flag", 50); countryCodeField.setAlign(Alignment.CENTER); countryCodeField.setType(ListGridFieldType.IMAGE); countryCodeField.setImageURLPrefix("flags/16/"); countryCodeField.setImageURLSuffix(".png"); countryCodeField.setCanSort(false); ListGridField nameField = new ListGridField("countryName", "Country"); ListGridField capitalField = new ListGridField("capital", "Capital"); ListGridField populationField = new ListGridField("population", "Population"); ListGridField areaField = new ListGridField("area", "Area (km²)"); areaField.setType(ListGridFieldType.INTEGER); areaField.setCellFormatter(new CellFormatter() { public String format(Object value, ListGridRecord record, int rowNum, int colNum) { if (value == null) return null; String val = null; try { NumberFormat nf = NumberFormat.getFormat("0,000"); val = nf.format(((Number) value).longValue()); } catch (Exception e) { return value.toString(); } return val + "km²"; } }); ListGridField gdpField = new ListGridField("gdp", "GDP"); gdpField.setAlign(Alignment.RIGHT); gdpField.setCellFormatter(new CellFormatter() { public String format(Object value, ListGridRecord record, int rowNum, int colNum) { if (value == null) return null; try { NumberFormat nf = NumberFormat.getFormat("0,000"); return "$" + nf.format(((Number) value).longValue()); } catch (Exception e) { return value.toString(); } } }); countryGrid.setFields(countryCodeField, nameField, capitalField, populationField, areaField, gdpField); layout.addMember(countryGrid); HLayout buttonLayout = new HLayout(15); IButton formulaButton = new IButton("Show Formula Builder"); formulaButton.setAutoFit(true); formulaButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { countryGrid.addFormulaField(); } }); IButton summaryBuilder = new IButton("Show Summary Builder"); summaryBuilder.setAutoFit(true); summaryBuilder.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { countryGrid.addSummaryField(); } }); buttonLayout.addMember(formulaButton); buttonLayout.addMember(summaryBuilder); layout.addMember(buttonLayout); layout.draw(); } }