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allow user to open exam answering in multiple tabs in try-out mode

improve comment

allow sorting of submissions via query parameter

  1. … 1 more file in changeset.
add a 10sec grace period to allow typing until the last seconds (but not longer)

Improved handling of autosaved revisions

- reject autosave attempts when time for a student is up

(works for synchronized and non-synchronized exams)

- include submissions with autosaved content in exam protocol (even when state is "initial")

  1. … 3 more files in changeset.
avoid potential loss of submission data on "publish" operations

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no need to ask answer_manager for package_id

add missing variable which was deleted during the refactoring of the exam protocol

add bulk-notification functionality to participants_table

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strengthen parameter checking

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Handling of mutual overwrites in answer workflows

Mutual overwrites occur in answer workflows when a user manages to

open multiple browswer instances/or tabs on the same exam.

In case there was an mutual overwrite, the position as provided by the

instance attributes might deviate from the position, based on which

the actual form data was generated. So, for validating and updating

one has to change the position to the one from the form data (when

this differs). Note that the randomizer depends on property

"position" as well.

The new version avoids that the user might accidencially overwrite his

data and closes on mutual overwrite automatically the older instance

window.

Bumped version number to 5.10.0d38

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Refactored exam protocol renderers

The new code reduces the sinze of inclass-exam.wf significantly by

moving the exam protocol into test-item-procs.tcl. In the same step,

the largish function was split up, the rendering functions of

submissions are now named consistently, and there are now different

functions for rendering single items vs. many items, making the

single-item rendering reusable. Additionally, the answer manager is

documented in a more eye-friendly and modular way.

  1. … 1 more file in changeset.
improve comments

provide an analysis method for cleared input (callable for swas via method blank-inputs)

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provide means to show submissions of students per test item

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added exam-overview

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make grading checke configurable via URL, make calculations more robust

CVS: ----------------------------------------------------------------------

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added policy for supporting view of revisons, used more detailed message key values for supporting rounding by points or revisions

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fix typo

decativate prevention of multiple tabs for exam protocol (and maybe other listings)

fix last commit (many thanks to Thomas Renner)

make actions changed from the background state-safe

added support for pagination buttons, visited buttons and flagged buttons

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make question manager configurable

fix regression test which was broken due to last change (move of links to answer panel)

  1. … 1 more file in changeset.
moved answer status into answer_panel (similar to downstream),

made sensitivity of inspect links automatically updating (like downstream)

made templating easier and refactored code

  1. … 2 more files in changeset.
Plug the proctoring-display include to the inclass-exam via a web-callable method

  1. … 1 more file in changeset.
reduce the max interval between screen captures from 60s to 30s during proctoring

allow opening the exam-review also for exams, which are not autogradable

added functionality to prevent opening the same exam in multiple tabs

  1. … 1 more file in changeset.