confirmatin dialog introduced

CHANGELOG

@@ -7,6 +7,8 @@ minerva (14.0.0~alpha.0) unstable; urgency=low
   * Feature removal: BioCompendium annotator removed (#32)
   * Small improvement: caching is active by default for new users when 
     uploading project (#202)
+  * Small improvement: when removing overlay in admin panel there is a 
+    confirmation dialog (#696)
   * Bug fix: export to CellDesigner of reaction with two modifiers connected
     with boolean operator resulted was skipping some layout information
   * Bug fix: reaction in SBGNML file containing two products was improperly

frontend-js/src/main/js/gui/admin/EditProjectDialog.js

@@ -487,8 +487,16 @@ EditProjectDialog.prototype._createOverlayTable = function () {
 
   $(overlaysTable).on("click", "[name='removeOverlay']", function () {
     var button = this;
-    $(button).attr("disabled", true);
-    return self.removeOverlay(parseInt($(button).attr("data"))).then(null, GuiConnector.alert);
+    var overlayId = parseInt($(button).attr("data"));
+    var overlay = self._overlayById[overlayId];
+    return GuiConnector.showConfirmationDialog({
+      message: "Do you want to delete overlay: " + overlay.getName() + "?"
+    }).then(function (confirmation) {
+      if (confirmation) {
+        $(button).attr("disabled", true);
+        return self.removeOverlay(overlayId).catch(GuiConnector.alert);
+      }
+    });
   });
 
   $(overlaysTable).on("change", "[name='overlayName']", function () {

frontend-js/src/main/js/gui/leftPanel/OverlayPanel.js

@@ -408,7 +408,7 @@ OverlayPanel.prototype.openEditOverlayDialog = function (overlay) {
         if (confirmation) {
           return self.removeOverlay(overlay).then(function () {
             $(windowSelf).dialog("close");
-          }).then(null, GuiConnector.alert);
+          }).catch(GuiConnector.alert);
         }
       });
     }