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path: root/qt-models/divetripmodel.h
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2019-06-23Cleanup: unify selection signalsGravatar Berthold Stoeger
For historic reasons, there where three distinct signals concerning dive-selection from the undo-machinery: 1) divesSelected: sent newly selected dives 2) currentDiveChanged: sent if the current dive changed 3) selectionChanged: sent at the end of a command if either the selection or the current dive changed Since now the undo-commands do a full reset of the selection, merge these three signals into a single signal. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2019-06-23Undo: unify selection behavior in dive-list commandsGravatar Berthold Stoeger
Some commands tried to retain the current selection on undo/redo, others set the selection to the modified dives. The latter was introduced because it was easier in some cases, but it is probably more user-friendly because the user gets feedback on the change. Therefore, unify to always select the affected dives on undo()/redo(). Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2019-06-23Undo: don't send signals batched by tripGravatar Berthold Stoeger
Since the default view is batched by trips, signals were sent trip-wise. This seemed like a good idea at first, but when more and more parts used these signals, it became a burden. Therefore push the batching to the part of the code where it is needed: the trip view. The divesAdded and divesDeleted are not yet converted, because these are combined with trip addition/deletion. This should also be detangled, but not now. Since the dive-lists were sorted in the processByTrip function, the dive-list model now does its own sorting. This will have to be audited. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2019-06-23Dive list: cache shown flag in model (quick-fix for undo-crash)Gravatar Berthold Stoeger
We have a very fundamental problem with data-duplication in core and qt-models. In a particular case, this led to an easily reproducible crash: 1) An undo command moved the last dive of a trip to another. 2) When an undo-command removed the last dive of a trip to a different trip, the dive was removed from the trip in the core. Then, the model was updated. 3) That lead at first to a rearrangement of the trips, because the trip with the added dive is moved before the trip with the removed dive. 4) In such a case, the filter-model checks the visibility of the trip. 5) Since the trip with the removed dive has no dives in the core, visibility was determined as false. 6) From this point on the mappings of the QSortFilterProxyModel were messed up. Accesses led to crashes. It is unclear whether this is a Qt bug or only a QOI issue. As a quick-fix, cache the visibility flag of trips directly in the Qt-models. Don't set the visibility directly in the core, but go via the Qt-models. Thus, a more clear layering is achieved. In the long run, we can hopefully get rid of the data-duplication in the models. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2019-04-12Undo: update dive list if trip changedGravatar Berthold Stoeger
In tree-mode, the trip locations are displayed. Update the corresponding entries if the trip changed, by hooking into the tripChanged() signal. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2019-01-07Dive list: split DiveTripModel into distinct models (tree and list)Gravatar Berthold Stoeger
The DiveTripModel was used to represent both, trip and list views. Thus many functions had conditionals checking for the current mode and both modes had to be represented by the same data structure. Instead, split the model in two and derive them from a base class, which implements common functions and defines an interface. The model can be switched by a call to resetModel(), which invalidates any pointer obtained by instance(). This is quite surprising behavior. To handle it, straighten out the control flow: DiveListView --> MultiFilterSortModel --> DiveTripModelBase Before, DiveListView accessed DiveTripModelBase directly. A goal of this commit is to enable usage of the same model by mobile and desktop. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-11-18Dive list: update position of trip if data changedGravatar Berthold Stoeger
If the date of a dive changed, it might be necessary to reorder the trips, as the date of the trip changed. Although this seems like an odd usecase, move the trip if necessary, for consistency's sake. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-11-18Core: remove "when" field of struct dive_tripGravatar Berthold Stoeger
The when field gives the time of the first dive. Instead of keeping this field in sync, replace it by a function that determines the time of the first dive. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-11-18Dive list: move sort-functionality into coreGravatar Berthold Stoeger
To make sorting more controlled, move all sorting functions into the core. For this, introduce a "dive_or_trip" structure, which represents a top-level item. Adapt the DiveTripModel accordingly. There are now three sorting functions: 1) dive_less_than 2) trip_less_than 3) dive_or_trip_less_than These should be used by all sorting code. By moving them to a single place, the mess can hopefully be cleaned up. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-11-01Dive list: implement custom lessThan functionGravatar Berthold Stoeger
The dive list was sorted using the default-sorter of QSortFilterProxy model. This is mighty inflexible as it considers only one column. This has the funky effect that for rows with identical elements, the sort order depends on the previous sorting. Implement a lessThan() function in the MultiFilterSortModel, which simply hands the sorting down to the actual model. This might be considered a layering violation, but it makes things so much easier. Sadly, it seems like the column-to-be-sorted is transported in the provided indices. Therefore, the comparison is chosen using a switch for *every* comparison. It would seem much more logical to set a function pointer once and use that. Further investigations are necessary. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-11-01Dive list: make filter model aware of its sourceGravatar Berthold Stoeger
The data-flow from C-core to list-view is as follows: C-core --> DiveTripModel --> MultiSortFilterModel --> DiveListView The control-flow, on the other hand, differs as DiveListView accesses both MultiSortFilterModel and DiveTripModel, whereas MultiSortFilterModel is mostly unaware of its source model. This is in principle legitimate, as the MultiSortFilterModel might be used for different sources. In our particular case, this is not so. MultiSortFilterModel is written for a particular use case. Therefore, model control-flow follow after data-flow: Let MultiSortFilterModel set its own source model and DiveListView access the MultiSortFilterModel, which then manages its source model. This is not bike-shedding, but will enable a more flexible and higher-performance sorting. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-10-28Cleanup: remove DiveTripModel::layout() functionGravatar Berthold Stoeger
This accessor was never used. This is a small step in splitting the DiveTripModel in two (list & tree), which means that the layout is moved up to the view. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-10-21Dive list: update trip headers on filter-finishGravatar Berthold Stoeger
On change of the filter, the headers of non-extended trips were not updated. Therefore, on filter-finish-event loop over all trips in DiveTripModel and signal data-changed. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-10-14Cleanup: remove DiveItem and TripItem classesGravatar Berthold Stoeger
The DiveItem and TripItem classes were wrappers around dive * and dive_trip * used to extract tabular data. With the rework of DiveTripModel they lost all their state besides the pointer itself. The usage was: DiveItem item(d); item.data(...); This can now be simplified to the much more idiomatic diveData(d, ...); and analoguously for TripItem. While adapting the data() function to be part of DiveTripModel, change the QVariant ret switch(...) { ... case ...: ret = ...; break; ... } return ret; style to switch(...) { ... case ...: return ...; } Not only is this shorter and easier to reason about, it generally also improves the generated code. The compiler can directly construct the return value in the buffer provided by the caller. Though modern compilers start to be very good at avoiding unnecessary copies. In total this cleanup results in a net-reduction of 190 lines of code. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-10-11Dive list: unify sorting in core and Qt-modelGravatar Berthold Stoeger
Ultimately, we want to use a single dive-list and not replicate it in the Qt-model code. To this goal, let's start with using the same sort function. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-10-11Dive list: propagate current-item to frontendGravatar Berthold Stoeger
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>
2018-10-11Undo: select dives after add, remove, merge, split dive commandsGravatar Berthold Stoeger
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>
2018-10-11Dive list: remember selected divesGravatar Berthold Stoeger
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>
2018-10-11Dive list: implement proper Qt-model semantics for DiveTripModelGravatar Berthold Stoeger
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>
2018-10-11Dive list: hand-code the DiveTripModelGravatar Berthold Stoeger
The dive list is fed data by means of a sorted "DiveTripModel". There are two modes: list and tree. This was implemented rather elegantly with a general "TreeModel", which can represent trees of arbitrary depths. Nevertheless, we have at most two levels and on the second level only dives can reside. Implementing proper model-semantics (insert, delete, move) will be quite a challenge and implementing it under the umbrella of a very general model will not make it easier. Therefore, for now, hardcode the model: At the top-level there are items which may either be a trip (can contain multiple dives) or a dive (contains exactly one dive). Thus, we can completely de-virutalize the DiveItem and TripItem classes, which are now trivial wrappers around dive * and dive_trip *. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-10-11Dive list: replace dive-id by dive pointerGravatar Berthold Stoeger
The undo-system now guarantees that pointers to dives are stable throughout their lifetime. Therefore, replace the unique index by pointers. This is a small performance improvement, but much more importantly, it will make it more natural to transport a pointer to the dive inside QModelIndex's private pointer. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-09-29Cleanup: reinstate override modifiersGravatar Berthold Stoeger
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>
2018-09-04Desktop: buddies in the dive listGravatar Jan Mulder
As proposed in RFC #1587, now also alllow buddies to be shown in the divelist. Fixes: #1587 Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
2018-09-01Cleanup: make DiveTripModel a global objectGravatar Berthold Stoeger
DiveTripModel (the model describing the dive-list) was destroyed and recreated on every reset of the list. This seems excessive. Instead - in analogy to most other models - make it a single global object. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-08-01Cleanup: remove all override modifiersGravatar Berthold Stoeger
Commit df156a56c08a56eb380711a507ef739d8150a71f replaced "virtual" by "override" where appropriate. Unfortunately, this had the unintended consequence of producing numerous clang warnings. If clang finds a override-modified function in a class definition, it warns for *all* overriden virtual functions without the override modifier. To solve this, go the easy route and remove all overrides. At least it is consistent. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-07-31Cleanup: replace virtual by override where appropriateGravatar Berthold Stoeger
The keyword "virtual" signalizes that the function is virtual, i.e. the function of the derived class is called, even if the call is on the parent class. It is not necessary to repeat the "virtual" keyword in derived classes. To highlight derived virtual functions, the keyword "override" should be used instead. It results in a hard compile- error, if no function is overridden, thus avoiding subtle bugs. Replace "virtual" by "override" where appropriate. Moreover, replace Q_DECL_OVERRIDE by override, since we require reasonably recent compilers anyway. Likewise, replace /* reimp */ by "override" for consistency and compiler support. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-07-27Dive list view: move column width logic back from DiveTripModelGravatar Berthold Stoeger
Conceptually, the width of the columns should probably reside in the view not the model. But much more severly, the old code didn't work: Columns were set in a DiveTripModel, which was deleted right away. Therefore, move the logic back to the DiveListView. Introduce a QVector<int> of the initial column widths, so that they can be erased from the setting if unchanged. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-07-23Cleanup: remove DiveItem::icon_names member arrayGravatar Berthold Stoeger
Each DiveItem (which is a wrapper around diveId with some virtual functions), had a member icon_names, which is an array of four QStrings. These were not used anywhere and must be an obscure oversight and was probably planned as a static cons array?. In any case, remove it. There *was* a function-local analogous icon_names array in DiveItem::data() though. This array would initialize four QStrings from C-string literals on every invocation. Make this array static, local to the translation unit and use the QStringLiteral macro to construct the QString object at compile-time. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-04-04Add "Tags" column in Desktop app's dive list viewGravatar Jeremie Guichard
Add DiveItem::displayTags helper method to return Tags as a QString New Tags column is by default inserted before "Photos" column by default disabled Signed-off-by: Jeremie Guichard <djebrest@gmail.com>
2017-10-09Display units in dive list table based on prefs optionGravatar Stefan Fuchs
Add a preferences option which enables or disables display of units in the main dive liste table. Signed-off-by: Stefan Fuchs <sfuchs@gmx.de>
2017-10-03divelist: prevent a crash for missing column widthGravatar Lubomir I. Ivanov
The `static int defaultWidth[]` definition in divelistview.cpp could potentially end up missing an element which can later result in out-of-bounds access when iterating through the list of columns and updating their widths. Add a couple of methods in DiveTripModel for setting and getting the widths and use those. The default values are now pre-set in a QVector in the DiveTripModel() constructor. Throw warnings if out-of-bounds columns are requested. Reported-by: Gaetan Bisson <bisson@archlinux.org> Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
2017-10-02[Divesite] Hook qt model for countryGravatar Tomaz Canabrava
See #144 Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org> Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2017-04-29Add SPDX header to Qt modelsGravatar Dirk Hohndel
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2016-11-24Provide photos summary on dive listGravatar Willem Ferguson
1) Add an extra column to dive list, just left of Locality field. 2) For each dive, give summary of photos as follows: i) no photos: no icon in that column ii) photos taken during dive: show icon of fish iii) photos taken before/after dive: show icon of sun iv) photos taken during as well as before/after dive: show icon with both fish and sun 3) Provide information for the sort operation to work on this column of the dive list. Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za> Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2016-04-04Move subsurface-core to core and qt-mobile to mobile-widgetsGravatar Dirk Hohndel
Having subsurface-core as a directory name really messes with autocomplete and is obviously redundant. Simmilarly, qt-mobile caused an autocomplete conflict and also was inconsistent with the desktop-widget name for the directory containing the "other" UI. And while cleaning up the resulting change in the path name for include files, I decided to clean up those even more to make them consistent overall. This could have been handled in more commits, but since this requires a make clean before the build, it seemed more sensible to do it all in one. Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2015-10-23Add missing tr() implementationsGravatar Jan Mulder
One specific string did not translate. First, Dirk and I (via IRC) suspected a leading space was the issue (see commit eccac1321f512d8). However, I found out that the problem was still there. A non translated string "%1 shown", when applying a filter on the divelist, and looking at a trip line. It shows always untranslated "%1 shown". Extracting to-be-translated strings from the code, I found 2 errors: Class <classname> lacks Q_OBJECT macro. This patch adds a missing tr() definition and implementation to 2 structs. Signed-off-by: Jan Mulder <jlmulder@xs4all.nl> Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2015-05-29Move DiveTripModel to qt-modelsGravatar Tomaz Canabrava
Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com> Signed-off-by: Dirk Hohndel <dirk@hohndel.org>