add dangerous button confirmation popup

lms/static/coffee/src/instructor_dashboard/student_admin.coffee

@@ -7,6 +7,12 @@ plantTimeout = -> window.InstructorDashboard.util.plantTimeout.apply this, argum
 plantInterval = -> window.InstructorDashboard.util.plantInterval.apply this, arguments
 std_ajax_err = -> window.InstructorDashboard.util.std_ajax_err.apply this, arguments
 
+# wrap window.confirm
+# display `msg`
+# run `ok` or `cancel` depending on response
+confirm_then = ({msg, ok, cancel}) ->
+  if window.confirm msg then ok?() else cancel?()
+
 # get jquery element and assert its existance
 find_and_assert = ($root, selector) ->
   item = $root.find selector
@@ -156,7 +162,9 @@ class StudentAdmin
         error: std_ajax_err => @$request_response_error_single.text "Error resetting problem attempts."
 
     # delete state for student on problem
-    @$btn_delete_state_single.click =>
+    @$btn_delete_state_single.click => confirm_then
+      msg: "Delete student '#{@$field_student_select.val()}'s state on problem '#{@$field_problem_select_single.val()}'?"
+      ok: =>
         send_data =
           student_email: @$field_student_select.val()
           problem_to_reset: @$field_problem_select_single.val()
@@ -202,7 +210,9 @@ class StudentAdmin
         error: std_ajax_err => @$request_response_error_single.text "Error getting task history for student+problem"
 
     # start task to reset attempts on problem for all students
-    @$btn_reset_attempts_all.click =>
+    @$btn_reset_attempts_all.click => confirm_then
+      msg: "Reset attempts for all students on problem '#{@$field_problem_select_all.val()}'?"
+      ok: =>
         send_data =
           all_students: true
           problem_to_reset: @$field_problem_select_all.val()
@@ -215,20 +225,9 @@ class StudentAdmin
           error: std_ajax_err => @$request_response_error_all.text "Error starting a task to reset attempts for all students on this problem."
 
     # start task to rescore problem for all students
-    @$btn_reset_attempts_all.click =>
-      send_data =
-        all_students: true
-        problem_to_reset: @$field_problem_select_all.val()
-
-      $.ajax
-        dataType: 'json'
-        url: @$btn_reset_attempts_all.data 'endpoint'
-        data: send_data
-        success: @clear_errors_then -> console.log 'started reset attempts task'
-        error: std_ajax_err => @$request_response_error_all.text "Error starting a task to reset attempts on this problem for all students."
-
-    # start task to rescore problem for all students
-    @$btn_rescore_problem_all.click =>
+    @$btn_rescore_problem_all.click => confirm_then
+      msg: "Rescore problem '#{@$field_problem_select_all.val()}' for all students?"
+      ok: =>
         send_data =
           all_students: true
           problem_to_reset: @$field_problem_select_all.val()

lms/static/sass/course/instructor/_instructor_2.scss

@@ -63,7 +63,9 @@
       @include idashbutton(#eee);
 
       &.molly-guard {
-        @include idashbutton($danger-red);
+        // @include idashbutton($danger-red);
+        // @include idashbutton($black);
+        // border: 2px solid $danger-red;
       }
     }