How to use

clearViewData

method

in

com.google.gwt.cell.client.SelectionCell

@Override
public void render(Context context, String value, SafeHtmlBuilder sb) {
 // Get the view data.
 Object key = context.getKey();
 String viewData = getViewData(key);
 if (viewData != null && viewData.equals(value)) {
  clearViewData(key);
  viewData = null;
 }
 int selectedIndex = getSelectedIndex(viewData == null ? value : viewData);
 sb.appendHtmlConstant("<select tabindex=\"-1\">");
 int index = 0;
 for (String option : options) {
  if (index++ == selectedIndex) {
   sb.append(template.selected(option));
  } else {
   sb.append(template.deselected(option));
  }
 }
 sb.appendHtmlConstant("</select>");
}

@Override
public void render(Context context, String value, SafeHtmlBuilder sb) {
 // Get the view data.
 Object key = context.getKey();
 String viewData = getViewData(key);
 if (viewData != null && viewData.equals(value)) {
  clearViewData(key);
  viewData = null;
 }
 int selectedIndex = getSelectedIndex(viewData == null ? value : viewData);
 sb.appendHtmlConstant("<select tabindex=\"-1\">");
 int index = 0;
 for (String option : options) {
  if (index++ == selectedIndex) {
   sb.append(template.selected(option));
  } else {
   sb.append(template.deselected(option));
  }
 }
 sb.appendHtmlConstant("</select>");
}

@Override
public void render(Context context, String value, SafeHtmlBuilder sb) {
 // Get the view data.
 Object key = context.getKey();
 String viewData = getViewData(key);
 if (viewData != null && viewData.equals(value)) {
  clearViewData(key);
  viewData = null;
 }
 int selectedIndex = getSelectedIndex(viewData == null ? value : viewData);
 sb.appendHtmlConstant("<select tabindex=\"-1\">");
 int index = 0;
 for (String option : options) {
  if (index++ == selectedIndex) {
   sb.append(template.selected(option));
  } else {
   sb.append(template.deselected(option));
  }
 }
 sb.appendHtmlConstant("</select>");
}