Allow report implementations to control what is shown when no results
are found for the current report+filters. Allow setting to null to
allow calling code to omit this notice entirely.
The formatting of exported dataformat content is now always dependent
on whether the format supports HTML or not, so we no longer need our
custom export class for providing the same.
Reports can be viewed via two methods. Non-editing users can
access them via their report listing page, and report editors
can switch between editing and preview mode while working on
their reports.
Clean up remaining string definitions.
Co-authored-by: Mikel Martín <mikel@moodle.com>
Implement module for filters editing, allowing the report
editor to define which filters are available when users
are viewing the report.
These filters allow those users viewing the report to further
limit the data being displayed (after conditions have been
applied), by selecting their own values for each filter.
Co-authored-by: Paul Holden <paulh@moodle.com>
Report conditions allow report creators to limit which data
is displayed when the report is viewed. Users viewing the
report cannot override these condition values.
Implement UI elements for editing columns of a report, taking their
definitions from the selected datasource.
Co-authored-By: David Matamoros <davidmc@moodle.com>
Co-authored-By: Mikel Martín <mikel@moodle.com>