[Marble-bugs] [marble] [Bug 351633] New: Automatic download of .osm files in the "Edit Map" Panel

[Dennis Nienhüser]

https://bugs.kde.org/show_bug.cgi?id=351633

            Bug ID: 351633
           Summary: Automatic download of .osm files in the "Edit Map"
                    Panel
           Product: marble
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: UNCONFIRMED
          Keywords: google-code-in, junior-jobs
          Severity: task
          Priority: NOR
         Component: general
          Assignee: marble-bugs at kde.org
          Reporter: nienhueser at kde.org

Marble supports opening .osm files and editing them (as well as .kml files) in
the "Edit Maps" Panel. In this task retrieving data for editing should be
simplified by implementing a download option for the current viewport (visible
map portion) similar to the JOSM editor.

- Add a button to the "Edit Maps" Panel to trigger the automatic download
- Have it perform safety checks first: The currently visible map portion must
be small, there should not be any unsaved data
- Query data from OSM, see
https://wiki.openstreetmap.org/wiki/API_v0.6#Retrieving_map_data_by_bounding_box:_GET_.2Fapi.2F0.6.2Fmap
on how to create an appropriate region
- Use either QNetworkManager or HttpDownloadManager (whichever is easier) to
download the data, ideally providing a progress dialog during the download
- Either just keep the data in memory and open from there, or (probably easier)
save to a temporary file and open that

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