Sunday, June 15, 2025

Hybrid UiBinder Issue: “Not allowed in an HTML context: ” with Parent/Child ImageElement Binding

Hi GWT Community,

I'm running into a compile‑time error in my UiBinder definitions and would appreciate any pointers.

Background
  • Architecture:

    • A parent class defines its logo as an ImageElement.

    • A subclass must therefore bind the same logo via a native <img> tag.

What I've Tried
  1. Binding the logo inside an <g:HTMLPanel>:

    <g:HTMLPanel> <img ui:field="logo" src="/static/images/codi-logo.svg" height="30px"/> </g:HTMLPanel>
    when I recompile.

Questions
  1. Binding native DOM elements
    What's the best way to bind a native <img> (or other elements) when the parent class expects an ImageElement?

Thanks in advance for any advice or best practices you can share!

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