Filter Sort Tiling Sample (Smart GWT) : Tile « GWT « Java

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Java » GWT » TileScreenshots 
Filter Sort Tiling Sample (Smart GWT)
Filter Sort Tiling Sample (Smart GWT)
  
/*
 * 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 java.util.LinkedHashMap;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.RootPanel;
import com.smartgwt.client.data.DSRequest;
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.OperatorId;
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.events.ItemChangedEvent;
import com.smartgwt.client.widgets.form.events.ItemChangedHandler;
import com.smartgwt.client.widgets.form.fields.CheckboxItem;
import com.smartgwt.client.widgets.form.fields.SelectItem;
import com.smartgwt.client.widgets.form.fields.SliderItem;
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.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.setShowAllRecords(true);
    tileGrid.setDataSource(AnimalXmlDS.getInstance());
    tileGrid.setAutoFetchData(true);
    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 filterForm = new DynamicForm();
    filterForm.setIsGroup(true);
    filterForm.setGroupTitle("Search");
    filterForm.setNumCols(6);
    filterForm.setDataSource(AnimalXmlDS.getInstance());
    filterForm.setAutoFocus(false);

    TextItem commonNameItem = new TextItem("commonName");
    SliderItem lifeSpanItem = new SliderItem("lifeSpan");
    lifeSpanItem.setTitle("Max Life Span");
    lifeSpanItem.setMinValue(1);
    lifeSpanItem.setMaxValue(60);
    lifeSpanItem.setDefaultValue(60);
    lifeSpanItem.setHeight(50);
    lifeSpanItem.setOperator(OperatorId.LESS_THAN);

    SelectItem statusItem = new SelectItem("status");
    statusItem.setOperator(OperatorId.EQUALS);
    statusItem.setAllowEmptyValue(true);

    filterForm.setFields(commonNameItem, lifeSpanItem, statusItem);

    filterForm.addItemChangedHandler(new ItemChangedHandler() {
      public void onItemChanged(ItemChangedEvent event) {
        tileGrid.fetchData(filterForm.getValuesAsCriteria());
      }
    });

    vStack.addMember(filterForm);

    final DynamicForm sortForm = new DynamicForm();
    sortForm.setIsGroup(true);
    sortForm.setGroupTitle("Sort");
    sortForm.setAutoFocus(false);
    sortForm.setNumCols(6);

    SelectItem sortItem = new SelectItem();
    sortItem.setName("sortBy");
    sortItem.setTitle("Sort By");

    LinkedHashMap valueMap = new LinkedHashMap();
    valueMap.put("commonName""Animal");
    valueMap.put("lifeSpan""Life Span");
    valueMap.put("status""Endangered Status");

    sortItem.setValueMap(valueMap);

    final CheckboxItem ascendingItem = new CheckboxItem("chkSortDir");
    ascendingItem.setTitle("Ascending");

    sortForm.setFields(sortItem, ascendingItem);

    sortForm.addItemChangedHandler(new ItemChangedHandler() {
      public void onItemChanged(ItemChangedEvent event) {
        String sortVal = sortForm.getValueAsString("sortBy");
        Boolean sortDir = (BooleanascendingItem.getValue();
        if (sortDir == null)
          sortDir = false;
        if (sortVal != null) {
          tileGrid.sortByProperty(sortVal, sortDir);
        }
      }
    });
    vStack.addMember(sortForm);

    HLayout hLayout = new HLayout(10);
    hLayout.setHeight(22);

    IButton filterButton = new IButton("Filter");
    filterButton.addClickHandler(new ClickHandler() {
      public void onClick(ClickEvent event) {
        tileGrid.fetchData(filterForm.getValuesAsCriteria());
      }
    });
    filterButton.setAutoFit(true);

    IButton clearButton = new IButton("Clear");
    clearButton.setAutoFit(true);
    clearButton.addClickHandler(new ClickHandler() {
      public void onClick(ClickEvent event) {
        tileGrid.fetchData();
        filterForm.clearValues();
        sortForm.clearValues();
      }
    });

    hLayout.addMember(filterButton);
    hLayout.addMember(clearButton);
    vStack.addMember(hLayout);

    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)
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