lams-github / lams_tool_assessment / web / includes / javascript

chart.js

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Last Commit: 21 Feb 24
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Monday 29 May 2023
1:22 am

Marcin Cieslak

LDEV-5400 Add list of Assessment started/not started/completed students on chart hover

Options
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    • +9
    ./chart.js
  2. … 9 more files in changeset.
Monday 12 Dec 2022
10:05 pm

Marcin Cieslak

LDEV-5200 Fix encoding in Assessment chart

Options
    • -1
    • +1
    ./chart.js
  2. … 1 more file in changeset.
Saturday 04 Dec 2021
8:21 am

Marcin Cieslak

LDEV-5260 Rewrite polling to producer-subscriber model

Till now we had "are-learners-answers-updated" polling on controller

level.

It was rewritten to following scenario:

- method which stores learner answers is aware whether answers have

changed, i.e. it knows if charts need to be updated

- it flushes latest data to DB and puts tool content ID to Sink

- Sink notifies all interested Fluxes (currently only charts updating

one, but in the future other ones like updating table with answer % too)

- FluxMap holds a map of tool content ID -> interested hot publisher

Flux

- the Flux checks if it is interested in the tool content ID from the

Sink

- if so, it fetches data from DB and emits it to all subscribers, i.e.

opened monitoring windows with charts displayed

- data is cached so it is immediately available on for the next

subscriber

- data is throttled so calls to DB are not made too often

- if all subscribers are gone, the hot publisher Flux is still active; a

timeout is added which removes it from FluxMap when there were not emits

for the given time

Options
    • -1
    • +4
    ./chart.js
  2. … 6 more files in changeset.
Tuesday 30 Nov 2021
6:57 am

Marcin Cieslak

LDEV-5260 Initial implementation of EventSource-powered chart

Options
    • -22
    • +7
    ./chart.js
  2. … 2 more files in changeset.
Monday 25 Oct 2021
7:21 pm

Marcin Cieslak

LDEV-5251 Add proper tooltip for leader-based Assessments

Options
    • -1
    • +2
    ./chart.js
  2. … 1 more file in changeset.
Friday 22 Oct 2021
11:54 pm

Marcin Cieslak

LDEV-5251 Add tooltip with list of students in answered questions chart

Options
    • -4
    • +69
    ./chart.js
  2. … 6 more files in changeset.
Thursday 19 Nov 2020
1:19 am

Marcin Cieslak

LDEV-5111 Change chart title if it displays groups and not students

Options
    • -1
    • +1
    ./chart.js
  2. … 3 more files in changeset.
Wednesday 11 Nov 2020
7:11 pm

Marcin Cieslak

LDEV-5111 Display groups instead of students in chart when needed

If Assessment activity uses a leader, then only he gets his answers auto

saved. He counts as one student. But when he finishes the activity, his

answers get copied to other group members. Suddenly instead of 1 student

we get, say, 5 with same answers. This makes the answered questions

chart go crazy.

Now when leader selection is in use, group count is displayed instead of

student count in the chart.

Options
    • -6
    • +6
    ./chart.js
  2. … 9 more files in changeset.
Thursday 29 Oct 2020
11:01 pm

Marcin Cieslak

LDEV-5095 Move chart code to separate JS file for reuse in another spot

Options
    • -0
    • +182
    ./chart.js
  2. … 2 more files in changeset.