README updates. Markdown cell highlight bar.

Author: gutow

InstructorTools/javascript/InstructorToolsmnu.js

@@ -16,6 +16,9 @@ function createInstructorToolsMenu(){
             if (lastvalue=='Insert Data Entry Table...'){
                 get_table_dim();
             }
+            if (lastvalue=='Mark Cell as Instructions'){
+                indicate_cell_contains_instructions();
+            }
             if (lastvalue=='Protect Selected Cells'){
                 protect_selected_cells();
             }
@@ -57,6 +60,9 @@ function createInstructorToolsMenu(){
         Instructor Tools</option>';
         optiontxt+='<option title="Insert cell below selected and create a \
         data entry table.">Insert Data Entry Table...</option>';
+        optiontxt+='<option title="Add light blue color bar to left of \
+        markdown cell. Used to indicate instructions.">Mark Cell as \
+        Instructions</option>';
         optiontxt+='<option disabled>----</option>';
         optiontxt+='<option title="Prevent editing of selected cells."> \
         Protect Selected Cells</option>';
@@ -206,6 +212,18 @@ function insert_getnames_timestamp(){
     protect_selected_cells();
 }
 
+function indicate_cell_contains_instructions(){
+    var text = '<div style="border-color:lightblue;border-style:solid; \
+    float:left;height:100%;margin-right:4px;"></div>\n\n';
+    JPSLUtils.insert_text_at_beginning_of_current_cell(text);
+    var currentcell = Jupyter.notebook.get_selected_cell();
+    var cellindex=Jupyter.notebook.find_cell_index(currentcell);
+    Jupyter.notebook.to_code(cellindex);
+    Jupyter.notebook.to_markdown(cellindex);
+    Jupyter.notebook.focus_cell();
+    Jupyter.notebook.get_selected_cell().execute();
+}
+
 function insert_init_boilerplate(){
     var mkdstr = "### You must initialize the software each time you use \
     this notebook.\n";

README.md

@@ -21,6 +21,9 @@ The menu is activated by the python command `import InstructorTools`.
       Jupyter kernel. Tables are viewable, but not editable in a plain vanilla
       Jupyter install.
     * This uses the `jupyter-datainputtable` package.
+* Add light blue highlight bar to left of a selected markdown cell to 
+  indicate it contains instructions. Can be removed by deleting the `<div>` 
+  inserted at the beginning of the cell.
 * Protect/unprotect selected cells. Protected cells cannot be 
   edited or deleted by the user. This is a good way to prevent instructions
   and example code from being damaged by students.
@@ -134,6 +137,8 @@ Simply replace `$ pip install jupyter-instructortools` with
   * 0.5.3 
     * Added options to flag cells as allowed to be hidden.
     * Added ability to test hide/show of cells.
+    * Added ability to place light blue highlight bar at left of markdown 
+      cells.
     * README updates.
   * 0.5.2 Better messages and Readme updates.
   * 0.5.1