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Block Editor: Locate widget form inside post-editor iframe + clone iris/color-picker deps #2306

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Misplon wants to merge 2 commits into from
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Block Editor: Locate widget form inside post-editor iframe + clone iris/color-picker deps #2306

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e9ee226
Step 1: Clone iris, wp-color-picker, and jquery-touch-punch into Bloc…
Misplon Apr 29, 2026
08c3d15
Step 1: Locate widget form inside the post-editor iframe
Misplon Apr 30, 2026
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26 changes: 21 additions & 5 deletions compat/block-editor/widget-block.js
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Original file line number Diff line number Diff line change
Expand Up @@ -940,16 +940,29 @@ let sowbSiteEditorCanvas = false;
* @returns {jQuery} jQuery reference to the widget form
*/
const sowbGetBlockForm = ( clientId ) => {
if ( sowbSiteEditorCanvas === false ) {
sowbSiteEditorCanvas = jQuery( '.edit-site-visual-editor__editor-canvas' );
// Re-resolve the editor canvas on every call rather than caching to false,
// because the iframe element is mounted asynchronously by the block editor.
// Site Editor uses `.edit-site-visual-editor__editor-canvas`; the post editor
// (default since WP 6.5) uses `iframe[name="editor-canvas"]`.
let $canvas = jQuery( '.edit-site-visual-editor__editor-canvas' );
if ( $canvas.length === 0 ) {
$canvas = jQuery( 'iframe[name="editor-canvas"]' );
}

if ( sowbSiteEditorCanvas.length === 0 ) {
// Cache the resolved canvas for use by sowbMaybeSetupSiteEditorAssets()
// and other consumers, but only when the canvas is actually present so
// we never lock in an empty result before the iframe has mounted.
if ( $canvas.length > 0 ) {
sowbSiteEditorCanvas = $canvas;
}

if ( $canvas.length === 0 ) {
// No iframe (e.g. widgets.php Block Widgets screen, classic editor).
return jQuery( '[data-block="' + clientId + '"]' ).find( '.siteorigin-widget-form-main' );
}

// Return the main WB form.
return sowbSiteEditorCanvas
// Return the main WB form from inside the editor iframe.
return $canvas
.contents()
.find( '[data-block="' + clientId + '"]' )
.find( '.siteorigin-widget-form-main' );
Expand All @@ -968,6 +981,9 @@ const sowbCanvasCloneElements = [
'#jquery-ui-sortable-js',
'#jquery-ui-resizable-js',
'#jquery-ui-draggable-js',
'#jquery-touch-punch-js',
'#iris-js',
'#wp-color-picker-js',
'#wplink-js-extra',
'#wplink-js',
'#buttons-css',
Expand Down