ColorChoicePropertyEditor.java 文件源码

/**
 * Creates a new instance of the property editor.
 *
 * @param hexPrefix  language specific hex number prefix
 * @param colors  colors to be shown in property editor - must not be
 *                {@code null} or empty
 */
public ColorChoicePropertyEditor(final Color[] colors, final String hexPrefix) {
  this.hexPrefix = hexPrefix;
  this.colors = colors;

  // Initialize UI
  List<DropDownItem> choices = Lists.newArrayList();
  for (final Color color : colors) {
    choices.add(new DropDownItem(WIDGET_NAME, color.getHtmlDescription(), new Command() {
      @Override
      public void execute() {
        property.setValue(hexPrefix + color.alphaString + color.rgbString);
      }
    }));
  }
  selectedColorMenu = new DropDownButton(WIDGET_NAME, colors[0].getHtmlDescription(), choices, false,  true, false);

  selectedColorMenu.setStylePrimaryName("ode-ColorChoicePropertyEditor");

  initWidget(selectedColorMenu);
}