示例#1
0
  /**
   * Update a single row in the stock table.
   *
   * @param price Stock data for a single row.
   */
  private void updateTable(StockPrice price) {
    // Make sure the stock is still in the stock table.
    if (!stocks.contains(price.getSymbol())) {
      return;
    }

    int row = stocks.indexOf(price.getSymbol()) + 1;

    // Format the data in the Price and Change fields.
    String priceText = NumberFormat.getFormat("#,##0.00").format(price.getPrice());
    NumberFormat changeFormat = NumberFormat.getFormat("+#,##0.00;-#,##0.00");
    String changeText = changeFormat.format(price.getChange());
    String changePercentText = changeFormat.format(price.getChangePercent());

    // Populate the Price and Change fields with new data.
    stocksFlexTable.setText(row, 1, priceText);
    Label changeWidget = (Label) stocksFlexTable.getWidget(row, 2);
    changeWidget.setText(changeText + " (" + changePercentText + "%)");

    // Change the color of text in the Change field based on its value.
    String changeStyleName = "noChange";
    if (price.getChangePercent() < -0.1f) {
      changeStyleName = "negativeChange";
    } else if (price.getChangePercent() > 0.1f) {
      changeStyleName = "positiveChange";
    }

    changeWidget.setStyleName(changeStyleName);
  }
示例#2
0
  private void updateTable(StockPrice price) {
    // make sure the stock is still in our watch list
    if (!stocks.contains(price.getSymbol())) {
      return;
    }

    int row = stocks.indexOf(price.getSymbol()) + 1;

    // apply nice formatting to price and change
    String priceText = NumberFormat.getFormat("#,##0.00").format(price.getPrice());
    NumberFormat changeFormat = NumberFormat.getFormat("+#,##0.00;-#,##0.00");
    String changeText = changeFormat.format(price.getChange());
    String changePercentText = changeFormat.format(price.getChangePercent());

    // update the watch list with the new values
    stocksFlexTable.setText(row, 1, priceText);
    stocksFlexTable.setText(row, 2, changeText + " (" + changePercentText + "%)");
  }