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Customizable List/Tile View for Modules/ItemGroup

Page Overview

1 Initial Problem
2 Conceptual Summary
3 User Interface Modifications
- 3.1 List of Affected Views
- 3.2 User Interface Details
- 3.3 New User Interface Concepts
4 Technical Information
5 Privacy Information
6 Security Implications
7 Contact
8 Funding
9 Discussion
10 Implementation

1 Initial Problem

Containers, i.e. Courses, Groups and Categories have an option for List/Tile view, that forces all Items to be shown in a specific manner.
However, in some cases it would make sense to change -some- ItemGroups to a different view.
For example if:
- The container is set to 'tile' view, but you have a list of items, that don't/can't have a picture (i.e. Links)
- You have a rather large list of items, that's better set to 'list', while the rest should keep the 'tile' setting
- You want the learner to focus on a single Object, that is shown as 'tile', while the rest is optional and can be shown as a 'list'

2 Conceptual Summary

A field named 'list_presentation' is added to itgr_data.
An option to set it is added to the itemGroup settings GUI
Possible states are:
- 'list' = force list view
- 'tile' = force tile view
- '' (empty) = default / use main container's settings
Every time a group of items is generated it is being checked if the group has it's own view setting and if it does, the main container's view setting is temporarily overwritten
After all items in group were generated the view setting is reverted back to the main container's view setting, so it wouldn't cause issues on lists without custom settings

3 User Interface Modifications

3.1 List of Affected Views

Not sure what is meant here.
2 GUI classes are affected:

The ItemGroup settings receive an option to change it's view
All Containers are affected as they can be customized a little bit better

3.2 User Interface Details

A set of radio-Buttons is added to the ItemGroup's settings.

3.3 New User Interface Concepts

Not applicable.

4 Technical Information

(at least) following classes have to be modified:

ilItemGroupAR
ilItemGroupDataSet
ilObjItemGroup
ilObjItemGroupGUI
ilContainerRenderer
ilContainerContentGUI

Additional varchar(4) field 'list_presentation' is added to the 'itgr_data' table.

5 Privacy Information

none

6 Security Implications

No security implications.

7 Contact

Author of the Request: Alex Hartwig, TRANSFER GmbH, Zenzen, Enrico [ezenzen]
Maintainer: Alexander Killing, Leifos GmbH (?)
Implementation of the feature is done by: Alex Hartwig, TRANSFER GmbH

8 Funding

If you are interest in funding this feature, please add your name and institution to this list.

BGHW

9 Discussion

JourFixe, ILIAS [jourfixe], 21 OCT 2019: We highly appreciate this suggestion and schedule the feature for ILIAS 7. Please contact the maintainer Killing, Alexander [alex] for getting a review of the PR and support to commit the code.

Killing, Alexander [alex], 7 Jan 2019: Thanks for the PR! Main parts of the code can be used, some things needs refactorings and I would need some funding for the code maintenance. We are looking to get this, and I am optimistic that this will make its way into ILIAS 7.

JourFixe, ILIAS [jourfixe], 25 JAN 2021: We highly appreciate this suggestion and schedule the feature for ILIAS 8.

10 Implementation

The feature has been already implemented on a Git-Fork and seems to be pretty stable.
Pull request to main trunk: https://github.com/ILIAS-eLearning/ILIAS/pull/2037
Here are some screenshots (more can be provided if needed):