/**
 * 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.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.RowExpander;

@Detail(name = "RowExpander Grid", icon = "rowexpander", category = "Grid", classes = {Stock.class, StockProperties.class})
public class RowExpanderGridExample 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>();

    final String desc = "Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Sed metus nibh, sodales a, porta at, vulputate eget, dui. Pellentesque ut nisl. Maecenas tortor turpis, interdum non, sodales non, iaculis ac, lacus. Vestibulum auctor, tortor quis iaculis malesuada, libero lectus bibendum purus, sit amet tincidunt quam turpis vel lacus. In pellentesque nisl non sem. Suspendisse nunc sem, pretium eget, cursus a, fringilla vel, urna.<br/><br/>Aliquam commodo ullamcorper erat. Nullam vel justo in neque porttitor laoreet. Aenean lacus dui, consequat eu, adipiscing eget, nonummy non, nisi. Morbi nunc est, dignissim non, ornare sed, luctus eu, massa. Vivamus eget quam. Vivamus tincidunt diam nec urna. Curabitur velit.";

    RowExpander<Stock> expander = new RowExpander<Stock>(identity, new AbstractCell<Stock>() {

      @Override
      public void render(Context context, Stock value, SafeHtmlBuilder sb) {
        sb.appendHtmlConstant("<p style='margin: 5px 5px 10px'><b>Company:</b>" + value.getName() + "</p>");
        sb.appendHtmlConstant("<p style='margin: 5px 5px 10px'><b>Summary:</b> " + desc);
      }
    });

    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(expander);
    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());

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

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

    expander.initPlugin(grid);
    cp.setWidget(grid);

    return cp;
  }

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