GWT Java

/*
 * 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.Criteria;
import com.smartgwt.client.data.DSCallback;
import com.smartgwt.client.data.DSRequest;
import com.smartgwt.client.data.DSResponse;
import com.smartgwt.client.data.DataSource;
import com.smartgwt.client.data.Record;
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.types.VisibilityMode;
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.events.RecordClickEvent;
import com.smartgwt.client.widgets.grid.events.RecordClickHandler;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.SectionStack;
import com.smartgwt.client.widgets.layout.SectionStackSection;
import com.smartgwt.client.widgets.layout.VLayout;
import com.smartgwt.client.widgets.viewer.DetailViewer;
public class Showcase implements EntryPoint {
  public void onModuleLoad() {
    RootPanel.get().add(getViewPanel());
  }
  public Canvas getViewPanel() {
    CountryXmlDS countryDS = CountryXmlDS.getInstance();
    SectionStack printStack = new SectionStack();
    printStack.setVisibilityMode(VisibilityMode.MULTIPLE);
    printStack.setWidth(400);
    printStack.setHeight(455);
    final DetailViewer printViewer = new DetailViewer();
    printViewer.setDataSource(countryDS);
    printViewer.setWidth100();
    printViewer.setMargin(15);
    printViewer.setEmptyMessage("Select a country to view its details");
    final ListGrid printGrid = new ListGrid();
    printGrid.setHeight(150);
    printGrid.setAlternateRecordStyles(true);
    printGrid.setDataSource(countryDS);
    ListGridField countryCode = new ListGridField("countryCode", "Code", 50);
    ListGridField countryName = new ListGridField("countryName", "Country");
    ListGridField capital = new ListGridField("capital", "Capital");
    ListGridField continent = new ListGridField("continent", "Continent");
    printGrid.setFields(countryCode, countryName, capital, continent);
    printGrid.addRecordClickHandler(new RecordClickHandler() {
        public void onRecordClick(RecordClickEvent event) {
            printViewer.setData(new Record[]{event.getRecord()});
        }
    });
    SectionStackSection countriesSection = new SectionStackSection("Countries");
    countriesSection.setExpanded(true);
    countriesSection.addItem(printGrid);
    printStack.addSection(countriesSection);
    SectionStackSection detailsSection = new SectionStackSection("Country Details");
    detailsSection.setExpanded(true);
    detailsSection.addItem(printViewer);
    printStack.addSection(detailsSection);
    final VLayout printContainer = new VLayout(10);
    HLayout printButtonLayout = new HLayout(5);
    IButton newButton = new IButton("New");
    newButton.setDisabled(true);
    IButton changeButton = new IButton("Change");
    changeButton.setDisabled(true);
    IButton printPreviewButton = new IButton("Print Preview");
    printPreviewButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            Canvas.showPrintPreview(printContainer);
        }
    });
    printButtonLayout.addMember(newButton);
    printButtonLayout.addMember(changeButton);
    printButtonLayout.addMember(printPreviewButton);
    printContainer.addMember(printStack);
    printContainer.addMember(printButtonLayout);
    // The filter is just to limit the number of records in the ListGrid - we don't want to print them all
    printGrid.filterData(new Criteria("CountryName", "land"), new DSCallback() {
        public void execute(DSResponse response, Object rawData, DSRequest request) {
            printGrid.selectRecord(0);
            printViewer.setData(new Record[]{printGrid.getSelectedRecord()});
        }
    });
    return printContainer;
  }
}
class CountryXmlDS extends DataSource {
  private static CountryXmlDS instance = null;
  public static CountryXmlDS getInstance() {
    if (instance == null) {
      instance = new CountryXmlDS("countryDS");
    }
    return instance;
  }
  public CountryXmlDS(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)");
    DataSourceLinkField articleField = new DataSourceLinkField("article", "Info");
    setFields(pkField, countryCodeField, countryNameField, capitalField, governmentField,
        memberG8Field, continentField, independenceField, areaField, populationField, gdpField,
        articleField);
    setDataURL("ds/test_data/country.data.xml");
    setClientOnly(true);
  }
}
   
    
    
  
SmartGWT.zip( 9,880 k)