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The command-objects select a current item, but this selection
was not propagated to the front-end. The current item is the
base for keyboard-navigation through the dive-list and therefore
should be set correctly.
It took some experimentation to get the flags right:
QItemSelectionModel::Current
Hopefully, these are the correct flags across all supported
Qt versions!
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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If dives are deleted, the trip(s) containing the dives are expanded.
Thus, on undo it seems natural to re-expand the trip.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The MergeDives and SplitDive commands used addDive() and removeDive()
calls to manage their dives. Unfortunately, these calls don't send
the proper signals and thus the dive-list was not updated. Instead,
use one- and two-element vectors, which are passed to addDives()
and removeDives() [note the plural].
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Select the proper dives after the add, remove, split and merge
dives commands on undo *and* redo. Generally, select the added
dives. For undo of add, remember the pre-addition selection.
For redo of remove, select the closest dive to the first removed
dive.
The biggest part of the commit is the signal-interface between
the dive commands and the dive-list model and dive-list view.
This is done in two steps:
1) To the DiveTripModel in batches of trips. The dive trip model
transforms the dives into indices.
2) To the DiveListView. The DiveListView has to translate the
DiveTripModel indexes to actual indexes via its QSortFilterProxy-
model.
For code-reuse, derive all divelist-changing commands from a new base-class,
which has a flag that describes whether the divelist changed. The helper
functions which add and remove dives are made members of the base class and
set the flag is a selected dive is added or removed.
To properly detect when the current dive was deleted it
became necessary to turn the current dive from an index
to a pointer, because indices are not stable.
Unfortunately, in some cases an index was expected and these
places now have to transform the dive into an index. These
should be converted in due course.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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In DiveListView, we have a very fundamental problem: When
On the one hand, we get informed of user-selection in the
DiveListView::selectionChanged() slot. This has to set the
correct flags in the C-backend.
On the other hand, sometimes we have to set the selection
programatically, e.g. when selecting a trip. This is done
by calling QItemSelectionModel::select().
But: this will *also* call into the above slot, in which
we can't tell whether it was a user interaction or an
internal call. This can lead to either infinite loops or
very inefficient behavior, because the current dive
is set numerous times.
The current code is aware of that and disconnects the
corresponding signal. This is scary, as these signals are
set internally by the model and view. Replace this
by a global "command executing" flag in DiveListNotifier.
The flag is set using a "marker" class, which resets the flag
once it goes out of scope (cf. RAII pattern).
In DiveListView, only process a selection if the flag is not
set. Otherwise simply call the QTreeView base class, to reflect
the new selection in the UI.
To have a common point for notifications of selection changes,
add such a signal to DiveListNotifier. This signal will be
used by the DiveListView as well as the Command-objects.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Don't delesect dives, when unregistering them from the backend.
If a previously selected dive is added, select it in the dive-list.
For this purpose introduce a SELECTED_ROLE to query the DiveTripModel
for selected dives.
Unfortunately, when adding multiple selected dives, current_dive_changed
is called for each of them, making this very slow. This will have
to be fixed in subsequent commits.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Now, that pointers to dives are stable, we might just as well
use dive * instead of the unique-id. This also affects the
merge-dive command, as this uses the same renumbering machinery.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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We have to avoid that undo/redo removes the currently edited
dive from under our feet. This code can be removed once proper
undo/redo (including editing) is implemented.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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If the autogroup flag is set, search for appropriate trips in
DiveAdd() and add the dive to this trip. If no trip exists, add
a new trip.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Previously, each dive-list modifying function would lead to a
full model reset. Instead, implement proper Qt-model semantics
using beginInsertRows()/endInsertRows(), beginRemoveRows()/
endRemoveRows(), dataChange().
To do so, a DiveListNotifer singleton is generatated, which
broadcasts all changes to the dive-list. Signals are sent by
the commands and received by the DiveTripModel. Signals are
batched by dive-trip. This seems to be an adequate compromise
for the two kinds of list-views (tree and list). In the common
usecase mostly dives of a single trip are affected.
Thus, batching of dives is performed in two positions:
- At command-level to batch by trip
- In DiveTripModel to feed batches of contiguous elements
to Qt's begin*/end*-functions.
This is conceptually simple, but rather complex code. To avoid
repetition of complex loops, the batching is implemented in
templated-functions, which are passed lambda-functions, which
are called for each batch.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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insert_trip() adds a trip to the backend, but merges trips if
there exists a trip with the same date. This is a disaster
for the MergeTrips command, because this command adds a new
trip and removes the previous two. Of course if the added trip
is merged, this cannot work.
Therefore, add an insert_trip_dont_merge() function, which
adds the trip, but doesn't merge.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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This refactors the undo-commands (which are now only "commands").
- Move everything in namespace Command. This allows shortening of
names without polluting the global namespace. Moreover, the prefix
Command:: will immediately signal that the undo-machinery is
invoked. This is more terse than UndoCommands::instance()->...
- Remove the Undo in front of the class-names. Creating an "UndoX"
object to do "X" is paradoxical.
- Create a base class for all commands that defines the Qt-translation
functions. Thus all translations end up in the "Command" context.
- Add a workToBeDone() function, which signals whether this should be
added to the UndoStack. Thus the caller doesn't have to check itself
whether this any work will be done. Note: Qt5.9 introduces "setObsolete"
which does the same.
- Split into public and internal header files. In the public header
file only export the function calls, thus hiding all implementation
details from the caller.
- Split in different translation units: One for the stubs, one for
the base classes and one for groups of commands. Currently, there
is only one class of commands: divelist-commands.
- Move the undoStack from the MainWindow class into commands_base.cpp.
If we want to implement MDI, this can easily be moved into an
appropriate Document class.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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AddDivesToTrip, CreateTrip, AutogroupDives, RemoveAutogenTrips
and MergeTrips basically all did the same thing as RemoveDivesFromTrip,
which was already implemented. Thus, factor our the common functionality
and hook it up to make all these functions undo-able.
Don't do the autogroup-call everytime the dive-list is rebuilt
(that would create innumberable undo-actions), but only on dive-load /
import or if expressly asked by the user [by switching the autogroup
flag].
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The whole undo system assumes that the indexes in the dive table
do not change under its feet. On desktop, there seems only one
exception left: editing of the dive time. To circumvent this,
hook editing of the dive-time to the already existing UndoShiftTime
command.
This introduces a temporary UI-inconsistency: this is the only
edit that is reflected in the undo-list. This will be fixed in
due course, when other edit actions are also made undoable.
UndoShiftTime is changed to take pointers to dives (which should
be stable by now) instead of uniq-ids.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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On dive editing, for every changed field the code looped through
the whole dive-list and modified the selected dives. Instead,
get the list of selected dives once and use that.
Whereas this may look like a gratuitous optimization, it will
make things easier for subsequent commits. Notably, we can
pass the list of selected dives to an "UndoObject".
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Keeping undo-history across load makes little sense. The user was
expressly reminded that they have unsaved work.
For import (from other logs or the dive-computer) an undo-functionality
would be desirable. Nevertheless, this is rather complex since
new and old dives are merged. Implementation would require a finer
backend<->undocommand interface. Thus, leave this for now until more
experience with the undo system is acquired.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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For this, an output-parameter was added to the backend merge_dives()
function. When non-zero, instead of adding the merged dive to
the preferred trip, the preferred trip is returned to the caller.
Since the new UndoObject, just like the delete-dives UndoObject,
needs to remove/readd a set of dives, the corresponding functionality
was split-off in a helper function.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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For this, the core functionality of the split_dive() and
split_dive_at_time() functions were split out into new
split_dive_dont_insert() and split_dive_at_time_dont_insert(),
which do not add the new dives to the log. Thus, the undo-command
can take ownership of these dives, without having to remove them
first.
The split-dive functionality is temporarily made desktop-only
until mobile also supports "UndoObjects".
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Play manual addition of dives via an UndoCommand. Since this does in
large parts the same thing as undo/redo of dive deletion (just the
other way round and only a single instead of multiple dive), factor
out the functions that add/delete dives and take care of trips.
The UI-interaction is just mindless copy&paste and will have to
be adapted.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Both callers have a dive * and transform that into an id,
the callee transforms it right back to the dive *. Simply pass
the dive directly. This will allow us to use the function for
dives that have not yet been added.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The original undo-code was fundamentally broken. Not only did it leak
resources (copied trips were never freed), it also kept references
to trips or dives that could be changed by other commands. Thus,
anything more than a single undo could lead to crashes.
Two ways of fixing this were considered
1) Don't store pointers, but unique dive-ids and trip-ids.
Whereas such unique ids exist for dives, they would have to be
implemented for trips.
2) Don't free objects in the backend.
Instead, take ownership of deleted objects in the undo-object.
Thus, all references in previous undo-objects are guaranteed to
still exist (unless the objects are deleted elsewhere).
After some contemplation, the second method was chosen, because
it is significantly less intrusive. While touching the undo-objects,
clearly separate backend from ui-code, such that they can ultimately
be reused for mobile.
Note that if other parts of the code delete dives, crashes can still
be provoked. Notable examples are split/merge dives. These will have
to be fixed later. Nevertheless, the new code is a significant
improvement over the old state.
While touching the code, implement proper translation string based
on Qt's plural-feature (using %n).
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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For increased maintainability, use the same columns, roles and
the same accessor function for both dive-site models.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Under certain conditions the user was presented an ugly
"invalid dive site" message. The condition would arise because
the proxy-model which selects the list of dive sites and the code
which creates a proposed dive site name had different filter
conditions:
- The proxy would select any dive site containing the text
- The name-proposing code searched for dive sites *starting*
with the text.
If the user entered a text contained by a dive site name, but
no dive site would start with the second line was filled with
a dummy text. This text would be kept if it contained the text
entered by the user.
To avoid this problem, if no dive site is found, use an empty
string instead. This will be filtered out by the proxy because
it does not contain the user-entered string.
Yes, that's horribly subtle, therefore add a comment. But ultimately,
this should be solved in a less brittle way.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The dive site list was connected to centerOnDiveSite(). Apparently,
the currently selected dive site should have been shown in the map.
Yet, this never worked, because the actual dive site of the selected
dive had precedence in centerOnDiveSite().
It seems that centerOnDiveSite() had actually to purposes:
1) center on the passed in dive site
2) center on the dive sites of the selected dives
Therefore, split this function in two separate functions for
each of these use-cases. This allows us to remove some pre-processor
magic (mobile vs. desktop) and to remove a parameter from the
MainTab::diveSiteChanged() signal.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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If only selected dives were exported into HTML, the statistics would
nevertheless cover all dives. A counter-intuitive behavior. Fix by
adding a selected_only flag to calculate_stats_summary().
Reported-by: Jan Mulder <jlmulder@xs4all.nl>
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The statistics of the selected dives were calculated
a) into a global objects and
b) at a completely different place than where they're used.
There's no plausible reason for either. There fore render
into a caller-provided structure at the place of use.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Statistics were calculated into global variables every time the
current dive was changed.
Calculate statistics only when needed and into a structure
provided by the caller.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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process_imported_dives() is more efficient for downloaded than for
imported (from a file) dives, because it checks only the divecomputer
of the first dive.
This condition is checked via the "downloaded" flag of the first
dive. Instead, pass an argument to process_imported_dives().
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Dives were directly imported into the global dive table and then
merged in process_imported_dives(). Make this interface more flexible,
by passing an independent dive table.
The dive table of the to-be-imported dives will be sorted and merged.
Then each dive is inserted in a one-by-one manner to into the global
dive table.
This actually introduces (at least) two functional changes:
1) If a new dive spans two old dives, it will only be merged to the
first dive. But this seems like a pathological case, which is of
dubious value anyway.
2) Dives unrelated to the import will not be merged. The old code
would happily merge dives that were not even close to the
newly imported dives. A surprising behavior.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The old surface interval calculation had fundamental issues:
1) process_all_dives(), which calculates the statistics over *all*
dives was used to get the pointer to the previous dive.
2) If two dives in the table had the same time, one of those would
have been considered the "previous" dive.
3) If the dive, for which the surface interval is calculated is
not yet in the table, no previous dive would be determined.
Fix all this by creating a get_surface_interval() function and
removing the "get previous dive" functionality of process_all_dives().
Remove the process_all_dives() call from TabDiveInformation::updateData().
Reported-by: Jan Mulder <jlmulder@xs4all.nl>
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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By making this modal, we can use a local variable and remove the
nasty "deleteLater()" hack to reclaim the resources after the
dialog closes.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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No point in having this in the header file as it is not used
outside.
Remove the CSVAPPS macro, as this was never used. One thing less
to maintain.
Remove the sentinel with name = NULL, as we can simply use
range-based for.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Poseidon MkVI logs (.txt) were special cased in MainWindow.cpp,
which led to a user-interface inconsistency. In some cases
[user chooses ".txt" (non-Poseidon) and ".csv"], *two*
import-dialogs were shown.
Move handling of Poseidon MkVI logs into DiveLogImportDialog.
There are already other "special" cases handled in this dialog.
At the moment, this shows the first 10 depth-values, which is
kind of useless, as this will all be at surface level. We
might think about something more useful.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Otherwise we get that annoying question every time the git version changes.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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We shouldn't need our hand crafted code anymore.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This reverts commit 1c4a859c8d0b37b2e938209fe9c4d99e9758327a,
where the override modifiers were removed owing to the noisy
"inconsistent override modifiers" which is default-on in clang.
This warning was disabled in 77577f717f5aad38ea8c4c41c10c181486c4337f,
so we can reinstate the overrides.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This member function was not overriden in a derived class. No point
in it being virtual.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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UserSurveyServices derives from WebServices and therefore has
to define three pure virtual functions [startDownload(),
startUpload(), buttonClicked()] as no-ops. Interestingly,
a comment in the header says
"need to declare them as no ops or Qt4 is unhappy"
which is of course not true as these functions are not
declared by Qt.
There seems to be no point in deriving from WebServices,
therefore don't do it. These function definitions can then
be removed.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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QByteArray::data() provides access to the underlying data
for direct manipulation. Thus, the construct
csv = fileNamePtr.data();
found in MainWindow::importTxtFiles() suggests that modifications
to csv also affect fileNamePtr. This is *not* the case, because
csv itself is a QByteArray. It is therefore constructed from
the data.
Replace this treacherous construct by a simple assignment.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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On CSV import, the dive list was recalculated after the import
dialog was shown. This is pointless, as no dives are yet imported.
Remove.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The non-modal DiveLogImportDialog was only implicitly deleted when
the MainWindow was destroyed. Instead hook into the accept() and
reject() functions and schedule for deletion with deleteLater().
Quite the horrible proposition, but in line with Qt's object model.
Consider making the dialog modal instead. There seems to be no
upside for this being modal.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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In d815e0c9476ef62e6b84fb28ce48ab7cddefe77e a dive_table pointer
was added to the parsing functions to allow parsing into tables
other than the global dive table. This will be necessary for undo of
import and implementation a cleaner interface. A few cases, notably
CSV and proprietary formats were forgotten.
Implement parsing into arbitrary tables also for these cases.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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A few of these prototypes were already in import-csv.h.
Put them in an 'extern "C" { ... }' block.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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This still doesn't do the right thing for BT/BLE connections on a Mac, but it
should work on Linux and possibly Mac.
We definitely need to figure out how to get the Mac to successfully connect back
to a BT/BLE device.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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process_dives() is used to post-process the dive table after loading
or importing. The first parameter states whether this was after
load or import.
Especially in the light of undo, load and import are fundamentally
different things. Notably, that latter should be undo-able, whereas
the former is not. Therefore, as a first step to make import undo-able,
split the function in two versions and remove the first parameter.
It turns out the the load-version is very light. It only sets the
DC nicknames and sorts the dive-table. There seems to be no reason
to merge dives.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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And at least admit that the reset settings button isn't hooked up at all.
OOOOPS.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This isn't hooked up, yet.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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On macOS the first of the four DC buttons was highlighted for some reason.
Explicitly setting autoDefault to no solved that problem.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This way we can use the same functionality from the mobile UI as well.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Berthold Stoeger
Dirk Hohndel