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.DSCallback;
import com.smartgwt.client.data.DSRequest;
import com.smartgwt.client.data.DSResponse;
import com.smartgwt.client.data.DataSource;
import com.smartgwt.client.data.fields.DataSourceImageField;
import com.smartgwt.client.data.fields.DataSourceIntegerField;
import com.smartgwt.client.data.fields.DataSourceTextField;
import com.smartgwt.client.types.SelectionStyle;
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.form.DynamicForm;
import com.smartgwt.client.widgets.form.fields.SelectItem;
import com.smartgwt.client.widgets.form.fields.TextItem;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.VStack;
import com.smartgwt.client.widgets.tile.TileGrid;
import com.smartgwt.client.widgets.tile.events.RecordClickEvent;
import com.smartgwt.client.widgets.tile.events.RecordClickHandler;
import com.smartgwt.client.widgets.viewer.CellStyleHandler;
import com.smartgwt.client.widgets.viewer.DetailFormatter;
import com.smartgwt.client.widgets.viewer.DetailViewerField;
import com.smartgwt.client.widgets.viewer.DetailViewerRecord;
public class Showcase implements EntryPoint {
  public void onModuleLoad() {
    RootPanel.get().add(getViewPanel());
  }
  public Canvas getViewPanel() {
    VStack vStack = new VStack(20);
    vStack.setWidth100();
    final TileGrid tileGrid = new TileGrid();
    tileGrid.setTileWidth(150);
    tileGrid.setTileHeight(205);
    tileGrid.setHeight(400);
    tileGrid.setSelectionType(SelectionStyle.SINGLE);
    tileGrid.setShowAllRecords(true);
    tileGrid.setDataSource(AnimalXmlDS.getInstance());
    tileGrid.setAnimateTileChange(true);
    DetailViewerField pictureField = new DetailViewerField("picture");
    DetailViewerField commonNameField = new DetailViewerField("commonName");
    commonNameField.setCellStyle("commonName");
    DetailViewerField lifeSpanField = new DetailViewerField("lifeSpan");
    lifeSpanField.setCellStyle("lifeSpan");
    lifeSpanField.setDetailFormatter(new DetailFormatter() {
      public String format(Object value, DetailViewerRecord record, DetailViewerField field) {
        return "Lifespan: " + value;
      }
    });
    DetailViewerField statusField = new DetailViewerField("status");
    statusField.setCellStyleHandler(new CellStyleHandler() {
      public String execute(Object value, DetailViewerField field, DetailViewerRecord record) {
        if ("Endangered".equals(value)) {
          return "endangered";
        } else if ("Threatened".equals(value)) {
          return "threatened";
        } else if ("Not Endangered".equals(value)) {
          return "notEndangered";
        } else {
          return null;
        }
      }
    });
    tileGrid.setFields(pictureField, commonNameField, lifeSpanField, statusField);
    vStack.addMember(tileGrid);
    final DynamicForm boundForm = new DynamicForm();
    boundForm.setNumCols(6);
    boundForm.setDataSource(AnimalXmlDS.getInstance());
    boundForm.setAutoFocus(false);
    TextItem commonNameItem = new TextItem("commonName");
    TextItem lifeSpanItem = new TextItem("lifeSpan");
    SelectItem statusItem = new SelectItem("status");
    boundForm.setFields(commonNameItem, lifeSpanItem, statusItem);
    vStack.addMember(boundForm);
    tileGrid.addRecordClickHandler(new RecordClickHandler() {
      public void onRecordClick(RecordClickEvent event) {
        boundForm.editRecord(event.getRecord());
      }
    });
    HLayout hLayout = new HLayout(10);
    hLayout.setHeight(22);
    IButton button = new IButton("Save");
    button.setAutoFit(true);
    button.addClickHandler(new ClickHandler() {
      public void onClick(ClickEvent event) {
        boundForm.saveData();
        boundForm.clearValues();
      }
    });
    hLayout.addMember(button);
    vStack.addMember(hLayout);
    tileGrid.fetchData(null, new DSCallback() {
      public void execute(DSResponse response, Object rawData, DSRequest request) {
        tileGrid.sortByProperty("lifeSpan", true);
      }
    });
    return vStack;
  }
}
class AnimalXmlDS extends DataSource {
  private static AnimalXmlDS instance = null;
  public static AnimalXmlDS getInstance() {
    if (instance == null) {
      instance = new AnimalXmlDS("animalDS");
    }
    return instance;
  }
  public AnimalXmlDS(String id) {
    setID(id);
    setRecordXPath("/List/Object");
    DataSourceTextField commonNameField = new DataSourceTextField("commonName", "Animal");
    DataSourceTextField scientificName = new DataSourceTextField("scientificName",
        "Scientific Name");
    scientificName.setRequired(true);
    scientificName.setPrimaryKey(true);
    DataSourceIntegerField lifeSpanField = new DataSourceIntegerField("lifeSpan", "Life Span");
    DataSourceTextField statusField = new DataSourceTextField("status", "Endangered Status");
    statusField.setValueMap("Threatened", "Endangered", "Not Endangered", "Not currently listed",
        "May become threatened", "Protected");
    DataSourceTextField dietField = new DataSourceTextField("diet", "Diet");
    DataSourceTextField infoField = new DataSourceTextField("information", "Interesting Facts");
    infoField.setLength(1000);
    DataSourceImageField pictureField = new DataSourceImageField("picture", "Picture");
    pictureField.setImageURLPrefix("animals/");
    setFields(commonNameField, scientificName, lifeSpanField, statusField, dietField, infoField,
        pictureField);
    setDataURL("ds/test_data/animals.data.xml");
    setClientOnly(true);
  }
  protected Object transformRequest(DSRequest dsRequest) {
    return super.transformRequest(dsRequest);
  }
}
   
    
  
SmartGWT.zip( 9,880 k)