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Customize: Implement previewing of form submissions which use the GET method.

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This finally allows the search results template to navigated to in the customizer preview.

Fixes #20714.


git-svn-id: https://develop.svn.wordpress.org/trunk@38587 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Weston Ruter 2016-09-11 05:04:39 +00:00
parent 37e983416b
commit 44dbc815c8
1 changed files with 23 additions and 1 deletions
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24
src/wp-includes/js/customize-preview.js
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@ -67,8 +67,30 @@
});
// You cannot submit forms.
// @todo: Allow form submissions by mixing $_POST data with the customize setting $_POST data.
this.body.on( 'submit.preview', 'form', function( event ) {
var urlParser;
/*
* If the default wasn't prevented already (in which case the form
* submission is already being handled by JS), and if it has a GET
* request method, then take the serialized form data and add it as
* a query string to the action URL and send this in a url message
* to the Customizer pane so that it will be loaded. If the form's
* action points to a non-previewable URL, the the Customizer pane's
* previewUrl setter will reject it so that the form submission is
* a no-op, which is the same behavior as when clicking a link to an
* external site in the preview.
*/
if ( ! event.isDefaultPrevented() && 'GET' === this.method.toUpperCase() ) {
urlParser = document.createElement( 'a' );
urlParser.href = this.action;
if ( urlParser.search.substr( 1 ).length > 1 ) {
urlParser.search += '&';
}
urlParser.search += $( this ).serialize();
api.preview.send( 'url', urlParser.href );
}
event.preventDefault();
});