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output template errors on preview into the preview window - fixes #2

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Matt Westcott 2014-02-11 12:21:52 +00:00
parent 3eb18eac64
commit aae4bf3bf1
1 changed files with 17 additions and 5 deletions
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22
wagtail/wagtailadmin/static/wagtailadmin/js/page-editor.js
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@ -257,10 +257,12 @@ $(function() {
/* Set up behaviour of preview button */
$('#action-preview').click(function() {
var previewWindow = window.open($(this).data('placeholder'), $(this).data('windowname'));
$.post(
$(this).data('action'),
$('#page-edit-form').serialize(),
function(data, textStatus, request) {
$.ajax({
type: "POST",
url: $(this).data('action'),
data: $('#page-edit-form').serialize(),
success: function(data, textStatus, request) {
if (request.getResponseHeader('X-Wagtail-Preview') == 'ok') {
previewWindow.document.open();
previewWindow.document.write(data);
@ -271,7 +273,17 @@ $(function() {
document.write(data);
document.close();
}
},
error: function(xhr, textStatus, errorThrown) {
/* If an error occurs, display it in the preview window so that
we aren't just showing the spinner forever. We preserve the original
error output rather than giving a 'friendly' error message so that
developers can debug template errors. (On a production site, we'd
typically be serving a friendly custom 500 page anyhow.) */
previewWindow.document.open();
previewWindow.document.write(xhr.responseText);
previewWindow.document.close();
}
);
});
});
});