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In commit 6bf4120dbbf7be1b9267e0e86f3948b77870ea71 the trip-flags
were replaced by a simple boolean. This made the was_autogen
parameter to the remove_dive_from_trip() and unregister_dive_from_trip()
functions unused. Remove these parameters.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Unsure where this bug got introduced, but when asking for the dive
time to be shifted 1 hour later, the divelist and the dive details
showed 1 our earlier.
Fixes: #1893
Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
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Drop tons of now-unused-code.
Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
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In 302f6adb79681da3fe53336f1e4c7525f46fd47d dive-splitting was made
undo-able. To this goal, the dive-splitting functions were split in
two types: Those that operate directly on the divelist and those that
only allocate the dives. The former are not in use anymore, therefore
remove them. Since only the latter remain, remove the "_dont_insert"
appendix of the name.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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In f427226b3b605523bc8285dbdaaa7f6993af6e6a a combine_trips_create()
function was introduced that combined trips without deleting the old
trips. This was necessary for making combine-trips function undo-able.
The old combine_trips() function is not used anymore. Therefore remove
it. Rename the combine_trips_create() function to combine_trips() as
no differentiation is needed anymore.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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In moveDivesBetweenTrips() a the model is informed of dives
that are moved between trips. A flag tells the model to delete
empty trips. If dives were removed in batches [use case: split
a big trip into multiple smaller trips] the flag would be sent
for every batch. This was handled gracefully by the model code,
but it gave a warning message.
Set the flag only for the last batch, when the trip is *really*
empty.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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... otherwise this change is not saved when saving to git.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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On shift-times, the list of dives in a trip may become disordered.
Reestablish order with sort_table().
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The dives of each trip were kept in a list. Replace this by a
struct dive_table. This will make it significantly easier to
keep the dives of a trip in sorted state.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Up to now, dives were added to the global dive table with
add_single_dive(). Split out the funtionality to add a dive to
an arbitrary dive in the add_dive_to_table_function(). The
difference compared to record_dive_to_table is that dives
are added at a specific position or the sort-criterion given
by dive_less_than(). This will allow to use a dive tabe for trips
instead of a linked list.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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There were two versions of the insert_trip() function: one
would merge trips if a trip with the same date already existed,
the other wouldn't. The latter was introduced with the dive-list
undo work.
The problem is that the "date" of a trip (i.e. the first dive)
seems ill-defined as this is a volatile value. Moreover in
the context of making dive-import undoable this is a very
dangerous notion, as the caller needs control over when the dives
are added to a trip.
Therefore, unify these two functions and never merge trips.
The decision on merging dives now has to made by the caller.
This will be implemented in a future commit.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Planned dives were still added by directly calling core code.
This could confuse the undo-machinery, leading to crashes.
Instead, use the proper undo-command. The problem is that as
opposed to the other AddDive-commands, planned dives may
belong to a trip. Thus, the interface to the AddDive command
was changed to respect the divetrip field. Make sure that
the other callers reset that field (actually, it should never
be set). Add a comment describing the perhaps surprising
interface (the passed-in dive, usually displayed dive, is
reset).
Moreover, a dive cloned in the planner is not assigned a
new number. Thus, add an argument to the AddDive-command,
which expresses whether a new number should be generated
for the to-be-added dive.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Instead of reloading all the filter, only increment / decrement the
count of the entries of added / removed dives.
Originally, this was planned to be done via the signals from the
divelist, but it turned out that this was suboptimal, because
if the filter decides that the new item is selected, this has to
be done *before* adding the dive. Otherwise, it wouldn't be shown.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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When adding dives to the list, set the filter flag accordingly.
Thus, dives that are hidden by the filter are not shown on
redo/undo.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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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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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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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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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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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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Berthold Stoeger
Jan Mulder
Tomaz Canabrava
Robert C. Helling