+ }).on("invalid", function () {
+ var container = $(this).closest(".richtext_container");
+
+ container.find("button[data-bs-target$='_edit']").tab("show");
+ });
+
+ /*
+ * Install a handler to set the minimum preview pane height
+ * when switching away from an edit pane
+ */
+ $(".richtext_container button[data-bs-target$='_edit']").on("hide.bs.tab", function () {
+ var container = $(this).closest(".richtext_container");
+ var editor = container.find("textarea");
+ var preview = container.find(".tab-pane[id$='_preview']");
+ var minHeight = editor.outerHeight() - preview.outerHeight() + preview.height();
+
+ preview.css("min-height", minHeight + "px");