I have tried to create my own LabelTextBox by subclassing TextBox, but
I'm not sure how to trick the widget so that when it's added, say to a
VerticalPanel, it actually adds my own span element that contains the
label element and the TextBox.getElement() (an InputElement) so that
they all go together.
I can create the span and put the elements inside, but when I add my
widget, only the TextBox's InputElement is actually in the DOM, so
clearly I'm not doing it right using:
SpanElement spanElem;
LabelElement labelElem;
InputElement inputElem;
public LabelTextBox(String labelText, boolean labelIsHtml, String
className)
{
super(); // creates the TextBox
inputElem = getElement().cast();
spanElem = Document.get().createSpanElement();
spanElem.setClassName(className);
labelElem = Document.get().createLabelElement();
if ( labelIsHtml )
labelElem.setInnerHTML(labelText);
else
labelElem.setInnerText(labelText);
String uid = DOM.createUniqueId();
setId(uid);
spanElem.appendChild(labelElem);
spanElem.appendChild(inputElem);
}
public void setId(String id)
{
labelElem.setHtmlFor(id);
inputElem.setId(id);
}
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