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1.1       raeburn     1: \label{Domain_Configuration_Course_Defaults}
1.2       raeburn     2: Starting with LON-CAPA 2.10, a Domain Coordinator can configure default 
                      3: settings for courses in the domain. Defaults are of two types:
1.1       raeburn     4: \begin{itemize}
1.6       raeburn     5: \item \textbf{Defaults that can be overridden in an individual course by a Course Coordinator} 
1.4       raeburn     6: 
1.11      raeburn     7: Currently, there are five domain defaults of this type (which can be overridden
1.6       raeburn     8: using Settings $>$ Course Settings $>$ Display with ``Display of resources'' checked).
1.4       raeburn     9: 
                     10: \begin{itemize}
1.8       raeburn    11: \item Default method to display mathematics expressions included between $<$m$>$ and $<$/m$>$ tags.
                     12: 
1.9       raeburn    13: Starting with LON-CAPA 2.11.3 the default renderer used to display math can be set to one of: 
1.8       raeburn    14: \textit{MathJax}, \textit{Convert to Images (mimetex)}, or \textit{TeX to HTML (tth)}.
                     15: The domain default in effect for a user will be for the domain of the user's current role.
                     16: However, if a user has selected a renderer from the \textit{Math display settings} in 
                     17: User Preferences that will take precedence over the domain default.
                     18: Furthermore, if the course setting: \textit{Force use of a specific math rendering engine}
                     19: has been set, that will take precedence (in course context) over both the user preference 
                     20: and the domain default.  If no default renderer has been set, MathJax is used in 
1.10      raeburn    21: LON-CAPA 2.12 and later, whereas TeX to HTML (tth) is used in LON-CAPA 2.11 and earlier.
1.8       raeburn    22:   
1.4       raeburn    23: \item Student formula entry uses inline preview, not DragMath pop-up
                     24: 
                     25: For problems that require a formula input via a textbox, the default is to
                     26: show the math expression in a previewer below the textbox, as the student types.
                     27: The alternative is to use the older (Java-based) DragMath pop-up which allows 
                     28: the student to compose the expression in a WYSIWYG-style editor in a pop-up window
                     29: and then save it to the textbox in the main window using a ``Save and Close'' button.
                     30: 
                     31: \item Molecule editor uses JSME (HTML5) in place of JME (Java)
                     32: 
                     33: For problems that require the student to ``draw'' an organic structure using a
                     34: molecule editor, the default is to use the HTML5 version (JSME).  The alternative
                     35: is to use the older (Java-based) JME editor.
                     36: 
1.11      raeburn    37: \item Chemical reaction response uses inline previewer in place of pop-up
                     38: 
                     39: For problems that require the student to submit a chemical reaction, the default is to
                     40: use an inline previewer which displays preview of the reaction with appropriately
                     41: formatted stoichiometry and subscripts and superscripts as the answer is typed in
                     42: a standard textbox.  The alternative is to use the older pop-up window to type the
                     43: answer and then to use separate buttons to preview a formatted version, and to save it
                     44: to the main window.
                     45: 
1.5       raeburn    46: \item Course requesters who may clone a course (besides course's owner and coordinators)
                     47: 
                     48: This can be set to no additional requesters, or to any course requester in the domain, or
                     49: if categories have been defined in the domain for institutional codes for official courses
1.6       raeburn    50: (in localenroll::instcode\_defaults), to categories which must match in new and cloned 
1.5       raeburn    51: courses (e.g., department and number).
                     52: 
1.4       raeburn    53: \end{itemize}
                     54: 
1.5       raeburn    55: \item \textbf{Defaults that can be overridden in an individual course by a Domain
1.6       raeburn    56: Coordinator}
1.1       raeburn    57: 
1.12    ! raeburn    58: Currently, there are six domain defaults of this type (which can be overridden
1.6       raeburn    59: via the ``View or modify a course or community'' interface). 
1.2       raeburn    60: 
                     61: \begin{itemize}
                     62: \item responder count - number of responses needed before submissions made to 
                     63: anonymous surveys (with no identifying information) are viewable by Course personnel.
                     64: \item default course quotas - domain default for quotas (MB) for official, unofficial,
                     65: community, and textbook course types for content uploaded directly to the course.
                     66: \item default course credits - whether credits may be specified for courses (Yes/No),
1.3       raeburn    67:  if yes: default values for number of credits for official, unofficial and textbook courses.
1.4       raeburn    68: \item submit button behavior post-submission
                     69: 
                     70: The default is for the ``Submit Answer'' button in the current page to be disabled for 60s following
                     71: answer submission.  After processing a student's answer a new page is displayed. The setting 
                     72: to disable a  button, (with or without a timeout), applies to the button in the old page in
                     73: the time period before the new page is loaded by the browser.
1.7       raeburn    74: 
                     75: \item lifetime of temporary tables (course's homeserver)
                     76: 
                     77: The default lifetime (since last update) for ``temporary'' MySQL tables 
                     78: containing student performance data is 172800s (i.e., 2 days). A different default
                     79: lifetime can be set by course type, which will apply to MySQL tables on the course's 
                     80: homeserver only.
                     81: 
                     82: A reason to do this might be where a domain has created a custom script to export
                     83: a course's grade data, by running SQL queries against the temporary tables.
                     84: 
                     85: Note: student performance data are stored permanently in GDBM files; the temporary MySQL
                     86: tables are simply used to speed up display when a Course Coordinator uses the 
                     87: Assessment Chart or Statistics functions in a course.
                     88: 
1.12    ! raeburn    89: \item Accept a username provided in LTI launch of deep-linked URL without re-authentication
        !            90: 
        !            91: For deep-link access to a specific folder (or resource) in LON-CAPA, mediated by LTI launch from a different system, the signed payload included on launch can include the username of the authenticated user who followed a link in another system.  Whether such a username will be accepted, and a session launched for that username in LON-CAPA, or whether the user will be prompted to log-in to LON-CAPA in order to access the deep-linked resource(s) depends on the ``Use identity'' setting in effect for the current course.  If the domain default is set to ``No'', then a Course Coordinator will not be given the option to set ``Use identity'' when configuring Link Protector(s) in a course, and all users will need to log-in to LON-CAPA to complete the launch process.
        !            92: 
1.4       raeburn    93: \end{itemize}
                     94: 
1.3       raeburn    95: \end{itemize}
1.4       raeburn    96: