GXT 2 Grid test

GXT2_Grid.java

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import com.extjs.gxt.ui.client.GXT;
import com.extjs.gxt.ui.client.Style.HorizontalAlignment;
import com.extjs.gxt.ui.client.data.BaseModel;
import com.extjs.gxt.ui.client.event.Events;
import com.extjs.gxt.ui.client.event.FieldEvent;
import com.extjs.gxt.ui.client.event.Listener;
import com.extjs.gxt.ui.client.store.ListStore;
import com.extjs.gxt.ui.client.widget.ContentPanel;
import com.extjs.gxt.ui.client.widget.Viewport;
import com.extjs.gxt.ui.client.widget.form.ComboBox.TriggerAction;
import com.extjs.gxt.ui.client.widget.form.SimpleComboBox;
import com.extjs.gxt.ui.client.widget.grid.CellSelectionModel;
import com.extjs.gxt.ui.client.widget.grid.ColumnConfig;
import com.extjs.gxt.ui.client.widget.grid.ColumnData;
import com.extjs.gxt.ui.client.widget.grid.ColumnModel;
import com.extjs.gxt.ui.client.widget.grid.Grid;
import com.extjs.gxt.ui.client.widget.grid.GridCellRenderer;
import com.extjs.gxt.ui.client.widget.grid.GridSelectionModel;
import com.extjs.gxt.ui.client.widget.layout.FitLayout;
import com.extjs.gxt.ui.client.widget.tips.QuickTip;
import com.extjs.gxt.ui.client.widget.toolbar.LabelToolItem;
import com.extjs.gxt.ui.client.widget.toolbar.ToolBar;
import com.google.gwt.i18n.client.DateTimeFormat;
import com.google.gwt.i18n.client.NumberFormat;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.Widget;

public class GXT2_Grid {

  private ColumnModel cm;

  public GXT2_Grid() {
    Viewport viewport = new Viewport();
    viewport.add(asWidget());
    RootPanel.get().add(viewport);
  }

  public Widget asWidget() {
    final NumberFormat currency = NumberFormat.getCurrencyFormat();
    final NumberFormat number = NumberFormat.getFormat("0.00");

    GridCellRenderer<Stock> change = new GridCellRenderer<Stock>() {
      public String render(Stock model, String property, ColumnData config, int rowIndex, int colIndex,
          ListStore<Stock> store, Grid<Stock> grid) {
        double val = (Double) model.get(property);
        String style = val < 0 ? "red" : GXT.isHighContrastMode ? "#00ff5a" : "green";
        String v = number.format(val);

        return "<span qtitle='" + cm.getColumnById(property).getHeaderHtml() + "' qtip='" + v
            + "' style='font-weight: bold;color:" + style + "'>" + v + "</span>";
      }
    };

    GridCellRenderer<Stock> gridNumber = new GridCellRenderer<Stock>() {
      public String render(Stock model, String property, ColumnData config, int rowIndex, int colIndex,
          ListStore<Stock> store, Grid<Stock> grid) {
        Number value = model.<Number> get(property);
        return value == null ? null : currency.format(model.<Number> get(property));
      }
    };

    List<ColumnConfig> configs = new ArrayList<ColumnConfig>();

    ColumnConfig column = new ColumnConfig();
    column.setId("name");
    column.setHeaderHtml("Company");
    column.setWidth(200);
    column.setRowHeader(true);
    configs.add(column);

    column = new ColumnConfig();
    column.setId("symbol");
    column.setHeaderHtml("Symbol");
    column.setWidth(100);
    configs.add(column);

    column = new ColumnConfig();
    column.setId("last");
    column.setHeaderHtml("Last");
    column.setAlignment(HorizontalAlignment.RIGHT);
    column.setWidth(75);
    column.setRenderer(gridNumber);
    configs.add(column);

    column = new ColumnConfig("change", "Change", 100);
    column.setAlignment(HorizontalAlignment.RIGHT);
    column.setRenderer(change);
    configs.add(column);

    column = new ColumnConfig("date", "Last Updated", 100);
    column.setAlignment(HorizontalAlignment.RIGHT);
    column.setDateTimeFormat(DateTimeFormat.getFormat("MM/dd/yyyy"));
    configs.add(column);

    ListStore<Stock> store = new ListStore<Stock>();
    store.add(getStocks());

    cm = new ColumnModel(configs);

    final Grid<Stock> grid = new Grid<Stock>(store, cm);
    grid.setStyleAttribute("borderTop", "none");
    grid.setAutoExpandColumn("name");
    grid.setBorders(false);
    grid.setStripeRows(true);
    grid.setColumnLines(true);
    grid.setColumnReordering(true);
   
    ToolBar toolBar = new ToolBar();
    toolBar.getAriaSupport().setLabel("Grid Options");

    toolBar.add(new LabelToolItem("Selection Mode: "));
    final SimpleComboBox<String> type = new SimpleComboBox<String>();
    type.getAriaSupport().setLabelledBy(toolBar.getItem(0).getId());
    type.setTriggerAction(TriggerAction.ALL);
    type.setEditable(false);
    type.setFireChangeEventOnSetValue(true);
    type.setWidth(100);
    type.add("Row");
    type.add("Cell");
    type.setSimpleValue("Row");
    type.addListener(Events.Change, new Listener<FieldEvent>() {
      public void handleEvent(FieldEvent be) {
        boolean cell = type.getSimpleValue().equals("Cell");
        grid.getSelectionModel().deselectAll();
        if (cell) {
          grid.setSelectionModel(new CellSelectionModel<Stock>());
        } else {
          grid.setSelectionModel(new GridSelectionModel<Stock>());
        }
      }
    });
    toolBar.add(type);

    ContentPanel cp = new ContentPanel();
    cp.setBodyBorder(true);
    cp.setHeadingHtml("Basic Grid");
    cp.setButtonAlign(HorizontalAlignment.CENTER);
    cp.setLayout(new FitLayout());
    cp.getHeader().setIconAltText("Grid Icon");
    cp.setSize(600, 300);
    cp.add(grid);
    cp.setTopComponent(toolBar);

    // needed to enable quicktips (qtitle for the heading and qtip for the
    // content) that are setup in the change GridCellRenderer
    new QuickTip(grid);

    return cp;
  }

  public List<Stock> getStocks() {
    List<Stock> stocks = new ArrayList<Stock>();

    // stocks.add(new Stock("Apple Inc.", "AAPL", 125.64, 123.43));
    stocks.add(new Stock(
        "abcdefghijklmnopqrstuvwxyabcdefghijklmnopqrstuvwxyabcdefghijklmnopqrstuvwxyabcdefghijklmnopqrstuvwxyabcdefghijklmnopqrstuvwxyabcdefghijklmnopqrstuvwxy",
        "AAPL", 125.64, 123.43));
    stocks.add(new Stock("Cisco Systems, Inc.", "CSCO", 25.84, 26.3));
    stocks.add(new Stock("Google Inc.", "GOOG", 516.2, 512.6));
    stocks.add(new Stock("Intel Corporation", "INTC", 21.36, 21.53));
    stocks.add(new Stock("Level 3 Communications, Inc.", "LVLT", 5.55, 5.54));
    stocks.add(new Stock("Microsoft Corporation", "MSFT", 29.56, 29.72));
    stocks.add(new Stock("Nokia Corporation (ADR)", "NOK", 27.83, 27.93));
    stocks.add(new Stock("Oracle Corporation", "ORCL", 18.73, 18.98));
    stocks.add(new Stock("Starbucks Corporation", "SBUX", 27.33, 27.36));
    stocks.add(new Stock("Yahoo! Inc.", "YHOO", 26.97, 27.29));
    stocks.add(new Stock("Applied Materials, Inc.", "AMAT", 18.4, 18.66));
    stocks.add(new Stock("Comcast Corporation", "CMCSA", 25.9, 26.4));
    stocks.add(new Stock("Sirius Satellite", "SIRI", 2.77, 2.74));

    return stocks;
  }

  public class Stock extends BaseModel {

    public Stock() {
    }

    public Stock(String name, String symbol, double open, double last) {
      set("name", name);
      set("symbol", symbol);
      set("open", open);
      set("last", last);
      set("date", new Date());
      set("change", last - open);
    }

    public Stock(String name, double open, double change, double pctChange, Date date, String industry) {
      set("name", name);
      set("open", open);
      set("change", change);
      set("percentChange", pctChange);
      set("date", date);
      set("industry", industry);
    }

    public String getIndustry() {
      return get("industry");
    }

    public void setIndustry(String industry) {
      set("industry", industry);
    }

    public Date getLastTrans() {
      return (Date) get("date");
    }

    public String getName() {
      return (String) get("name");
    }

    public String getSymbol() {
      return (String) get("symbol");
    }

    public double getOpen() {
      Double open = (Double) get("open");
      return open.doubleValue();
    }

    public double getLast() {
      Double open = (Double) get("last");
      return open.doubleValue();
    }

    public double getChange() {
      return getLast() - getOpen();
    }

    public double getPercentChange() {
      return getChange() / getOpen();
    }

    public String toString() {
      return getName();
    }

  }

}