/**
 * Sencha GXT 3.0.0b - Sencha for GWT
 * Copyright(c) 2007-2012, Sencha, Inc.
 * licensing@sencha.com
 *
 * http://www.sencha.com/products/gxt/license/
 */
package com.sencha.gxt.explorer.client.grid;

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

import com.google.gwt.cell.client.AbstractCell;
import com.google.gwt.cell.client.DateCell;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.i18n.client.DateTimeFormat;
import com.google.gwt.i18n.client.NumberFormat;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.user.client.ui.IsWidget;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.Widget;
import com.sencha.gxt.core.client.IdentityValueProvider;
import com.sencha.gxt.data.shared.ListStore;
import com.sencha.gxt.examples.resources.client.TestData;
import com.sencha.gxt.examples.resources.client.images.ExampleImages;
import com.sencha.gxt.examples.resources.client.model.Stock;
import com.sencha.gxt.examples.resources.client.model.StockProperties;
import com.sencha.gxt.explorer.client.model.Example.Detail;
import com.sencha.gxt.widget.core.client.ContentPanel;
import com.sencha.gxt.widget.core.client.button.TextButton;
import com.sencha.gxt.widget.core.client.container.BoxLayoutContainer.BoxLayoutPack;
import com.sencha.gxt.widget.core.client.event.SelectEvent;
import com.sencha.gxt.widget.core.client.event.SelectEvent.SelectHandler;
import com.sencha.gxt.widget.core.client.grid.ColumnConfig;
import com.sencha.gxt.widget.core.client.grid.ColumnModel;
import com.sencha.gxt.widget.core.client.grid.Grid;
import com.sencha.gxt.widget.core.client.grid.RowNumberer;

@Detail(name = "RowNumberer Grid", icon = "rownumberer", category = "Grid", classes = {Stock.class, StockProperties.class})
public class RowNumbererGridExample implements IsWidget, EntryPoint {

  private static final StockProperties props = GWT.create(StockProperties.class);

  @Override
  public Widget asWidget() {
    final NumberFormat number = NumberFormat.getFormat("0.00");

    IdentityValueProvider<Stock> identity = new IdentityValueProvider<Stock>();

    RowNumberer<Stock> numberer = new RowNumberer<Stock>(identity);

    ColumnConfig<Stock, String> nameCol = new ColumnConfig<Stock, String>(props.name(), 200, "Company");
    ColumnConfig<Stock, String> symbolCol = new ColumnConfig<Stock, String>(props.symbol(), 100, "Symbol");
    ColumnConfig<Stock, Double> lastCol = new ColumnConfig<Stock, Double>(props.last(), 75, "Last");

    ColumnConfig<Stock, Double> changeCol = new ColumnConfig<Stock, Double>(props.change(), 100, "Change");
    changeCol.setCell(new AbstractCell<Double>() {

      @Override
      public void render(Context context, Double value, SafeHtmlBuilder sb) {
        String style = "style='color: " + (value < 0 ? "red" : "green") + "'";
        String v = number.format(value);
        sb.appendHtmlConstant("<span " + style + " qtitle='Change' qtip='" + v + "'>" + v + "</span>");
      }
    });

    ColumnConfig<Stock, Date> lastTransCol = new ColumnConfig<Stock, Date>(props.lastTrans(), 100, "Last Updated");
    lastTransCol.setCell(new DateCell(DateTimeFormat.getFormat("MM/dd/yyyy")));

    List<ColumnConfig<Stock, ?>> l = new ArrayList<ColumnConfig<Stock, ?>>();
    l.add(numberer);
    l.add(nameCol);
    l.add(symbolCol);
    l.add(lastCol);
    l.add(changeCol);
    l.add(lastTransCol);
    ColumnModel<Stock> cm = new ColumnModel<Stock>(l);

    ListStore<Stock> store = new ListStore<Stock>(props.key());
    store.addAll(TestData.getStocks());

    final Grid<Stock> grid = new Grid<Stock>(store, cm);
    grid.getView().setAutoExpandColumn(nameCol);
    grid.setBorders(false);
    grid.getView().setStripeRows(true);
    grid.getView().setColumnLines(true);

    numberer.initPlugin(grid);

    ContentPanel cp = new ContentPanel();
    cp.setHeadingText("RowNumberer Grid");
    cp.getHeader().setIcon(ExampleImages.INSTANCE.table());
    cp.setPixelSize(600, 320);
    cp.addStyleName("margin-10");

    cp.setButtonAlign(BoxLayoutPack.END);
    cp.addButton(new TextButton("Remove a Row", new SelectHandler() {

      @Override
      public void onSelect(SelectEvent event) {
        grid.getStore().remove(grid.getStore().get(0));
        if (grid.getStore().size() == 0) {
          TextButton b = (TextButton) event.getSource();
          b.disable();
        }
      }
    }));

    cp.setWidget(grid);

    return cp;
  }

  @Override
  public void onModuleLoad() {
    RootPanel.get().add(asWidget());
  }
}