examples/stocks/lib/stock_symbol_viewer.dart

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

part of stocks;

class StockSymbolViewer extends StatelessComponent {
  StockSymbolViewer(this.stock);

  final Stock stock;

  Widget build(BuildContext context) {
    String lastSale = "\$${stock.lastSale.toStringAsFixed(2)}";
    String changeInPrice = "${stock.percentChange.toStringAsFixed(2)}%";
    if (stock.percentChange > 0)
      changeInPrice = "+" + changeInPrice;
    TextStyle headings = Theme.of(context).text.body2;
    return new Scaffold(
      toolBar: new ToolBar(
        left: new IconButton(
          icon: 'navigation/arrow_back',
          onPressed: () {
            Navigator.of(context).pop();
          }
        ),
        center: new Text(stock.name)
      ),
      body: new Block(<Widget>[
          new Container(
            margin: new EdgeDims.all(20.0),
            child: new Card(
              child: new Container(
                padding: new EdgeDims.all(20.0),
                child: new Column(<Widget>[
                    new Row(<Widget>[
                      new Text(
                        '${stock.symbol}',
                        style: Theme.of(context).text.display2
                      ),
                      new Hero(
                        tag: StockRowPartKind.arrow,
                        turns: 2,
                        child: new StockArrow(percentChange: stock.percentChange)
                      ),
                    ],
                    justifyContent: FlexJustifyContent.spaceBetween
                  ),
                  new Text('Last Sale', style: headings),
                  new Text('$lastSale ($changeInPrice)'),
                  new Container(
                    height: 8.0
                  ),
                  new Text('Market Cap', style: headings),
                  new Text('${stock.marketCap}'),
                ])
              )
            )
          )
        ]
      )
    );
  }

}