X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/8103eb18ab6db85508cc0474fd540b285467a80a..4a38ab5c80d325457a1928d049847d82532f620d:/app/assets/javascripts/richtext.js

diff --git a/app/assets/javascripts/richtext.js b/app/assets/javascripts/richtext.js
index 7447a0ca2..e069f6f88 100644
--- a/app/assets/javascripts/richtext.js
+++ b/app/assets/javascripts/richtext.js
@@ -5,16 +5,35 @@ $(document).ready(function () {
    * the user next switches to it.
    */
   $(".richtext_container textarea").change(function () {
-    $(this).parents(".richtext_container").find(".tab-pane[id$='_preview']").empty();
+    var container = $(this).closest(".richtext_container");
+
+    container.find(".tab-pane[id$='_preview']").empty();
+  }).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");
   });
 
   /*
    * Install a handler to switch to preview mode
    */
   $(".richtext_container button[data-bs-target$='_preview']").on("show.bs.tab", function () {
-    var editor = $(this).parents(".richtext_container").find("textarea");
-    var preview = $(this).parents(".richtext_container").find(".tab-pane[id$='_preview']");
-    var minHeight = editor.outerHeight() - preview.outerHeight() + preview.height();
+    var container = $(this).closest(".richtext_container");
+    var editor = container.find("textarea");
+    var preview = container.find(".tab-pane[id$='_preview']");
 
     if (preview.contents().length === 0) {
       preview.oneTime(500, "loading", function () {
@@ -26,7 +45,22 @@ $(document).ready(function () {
         preview.removeClass("loading");
       });
     }
-
-    preview.css("min-height", minHeight + "px");
   });
+
+  var updateHelp = function () {
+    $(".richtext_container .richtext_help_sidebar:not(:visible):not(:empty)").each(function () {
+      var container = $(this).closest(".richtext_container");
+      $(this).children().appendTo(container.find(".tab-pane[id$='_help']"));
+    });
+    $(".richtext_container .richtext_help_sidebar:visible:empty").each(function () {
+      var container = $(this).closest(".richtext_container");
+      container.find(".tab-pane[id$='_help']").children().appendTo($(this));
+      if (container.find("button[data-bs-target$='_help'].active").length) {
+        container.find("button[data-bs-target$='_edit']").tab("show");
+      }
+    });
+  };
+
+  updateHelp();
+  $(window).on("resize", updateHelp);
 });