1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
// SPDX-License-Identifier: GPL-2.0
#ifndef DIVETRIPMODEL_H
#define DIVETRIPMODEL_H
#include "core/dive.h"
#include <QAbstractItemModel>
#include <QCoreApplication> // For Q_DECLARE_TR_FUNCTIONS
struct DiveItem {
Q_DECLARE_TR_FUNCTIONS(TripItem) // Is that TripItem on purpose?
public:
enum Column {
NR,
DATE,
RATING,
DEPTH,
DURATION,
TEMPERATURE,
TOTALWEIGHT,
SUIT,
CYLINDER,
GAS,
SAC,
OTU,
MAXCNS,
TAGS,
PHOTOS,
BUDDIES,
COUNTRY,
LOCATION,
COLUMNS
};
QVariant data(int column, int role) const;
dive *d;
DiveItem(dive *dIn) : d(dIn) {} // Trivial constructor
bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
QString displayDate() const;
QString displayDuration() const;
QString displayDepth() const;
QString displayDepthWithUnit() const;
QString displayTemperature() const;
QString displayTemperatureWithUnit() const;
QString displayWeight() const;
QString displayWeightWithUnit() const;
QString displaySac() const;
QString displaySacWithUnit() const;
QString displayTags() const;
int countPhotos() const;
int weight() const;
};
struct TripItem {
Q_DECLARE_TR_FUNCTIONS(TripItem)
public:
QVariant data(int column, int role) const;
dive_trip_t *trip;
TripItem(dive_trip_t *tIn) : trip(tIn) {} // Trivial constructor
};
class DiveTripModel : public QAbstractItemModel {
Q_OBJECT
public:
enum Column {
NR,
DATE,
RATING,
DEPTH,
DURATION,
TEMPERATURE,
TOTALWEIGHT,
SUIT,
CYLINDER,
GAS,
SAC,
OTU,
MAXCNS,
TAGS,
PHOTOS,
BUDDIES,
COUNTRY,
LOCATION,
COLUMNS
};
enum ExtraRoles {
STAR_ROLE = Qt::UserRole + 1,
DIVE_ROLE,
TRIP_ROLE,
SORT_ROLE,
DIVE_IDX
};
enum Layout {
TREE,
LIST,
CURRENT
};
static DiveTripModel *instance();
Qt::ItemFlags flags(const QModelIndex &index) const;
QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
DiveTripModel(QObject *parent = 0);
Layout layout() const;
void setLayout(Layout layout);
QVariant data(const QModelIndex &index, int role) const;
int columnCount(const QModelIndex&) const;
int rowCount(const QModelIndex &parent) const;
QModelIndex index(int row, int column, const QModelIndex &parent) const;
QModelIndex parent(const QModelIndex &index) const;
private slots:
void divesAdded(dive_trip *trip, bool addTrip, const QVector<dive *> &dives);
void divesDeleted(dive_trip *trip, bool deleteTrip, const QVector<dive *> &dives);
void divesChanged(dive_trip *trip, const QVector<dive *> &dives);
void divesTimeChanged(dive_trip *trip, timestamp_t delta, const QVector<dive *> &dives);
void divesMovedBetweenTrips(dive_trip *from, dive_trip *to, bool deleteFrom, bool createTo, const QVector<dive *> &dives);
private:
// The model has up to two levels. At the top level, we have either trips or dives
// that do not belong to trips. Such a top-level item is represented by the "Item"
// struct. Two cases two consider:
// 1) If "trip" is non-null, then this is a dive-trip and the dives are collected
// in the dives vector. Note that in principle we could also get the dives in a
// trip from the backend, but there they are collected in a linked-list, which is
// quite inconvenient to access.
// 2) If "trip" is null, this is a dive and dives is supposed to contain exactly
// one element, which is the corresponding dive.
struct Item {
dive_trip *trip;
std::vector<dive *> dives; // std::vector<> instead of QVector for insert() with three iterators
Item(dive_trip *t, const QVector<dive *> &dives);
Item(dive_trip *t, dive *d); // Initialize a trip with one dive
Item(dive *d); // Initialize a top-level dive
bool isDive(const dive *) const; // Helper function: is this the give dive?
dive *getDive() const; // Helper function: returns top-level-dive or null
timestamp_t when() const; // Helper function: start time of dive *or* trip
};
// Access trips and dives
int findTripIdx(const dive_trip *trip) const;
int findDiveIdx(const dive *d) const; // Find _top_level_ dive
int findDiveInTrip(int tripIdx, const dive *d) const; // Find dive inside trip. Second parameter is index of trip
int findInsertionIndex(timestamp_t when) const; // Where to insert item with timestamp "when"
// Addition and deletion of dives
void addDivesToTrip(int idx, const QVector<dive *> &dives);
dive *diveOrNull(const QModelIndex &index) const; // Returns a dive if this index represents a dive, null otherwise
QPair<dive_trip *, dive *> tripOrDive(const QModelIndex &index) const;
// Returns either a pointer to a trip or a dive, or twice null of index is invalid
// null, something is really wrong
void setupModelData();
std::vector<Item> items; // Use std::vector for convenience of emplace_back()
Layout currentLayout;
};
#endif
|
