@Override
public void render(Context context, String value, SafeHtmlBuilder sb) {
// Get the view data.
Object key = context.getKey();
ViewData viewData = getViewData(key);
if (viewData != null
&& !viewData.isEditing()
&& value != null
&& value.equals(viewData.getText())) {
clearViewData(key);
viewData = null;
}
String toRender = value;
if (viewData != null) {
String text = viewData.getText();
if (viewData.isEditing()) {
/*
* Do not use the renderer in edit mode because the value of a text
* input element is always treated as text. SafeHtml isn't valid in the
* context of the value attribute.
*/
sb.append(template.input(text));
return;
} else {
// The user pressed enter, but view data still exists.
toRender = text;
}
}
if (toRender != null && toRender.trim().length() > 0) {
sb.append(renderer.render(toRender));
} else {
/*
* Render a blank space to force the rendered element to have a height.
* Otherwise it is not clickable.
*/
sb.appendHtmlConstant("\u00A0");
}
}
public void render(Context context, T object, SafeHtmlBuilder sb) {
renderer.render(getValue(object), sb);
}