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
157
158
159
160
161
162
163
164
165
166
167
168
|
/*
transitionmodel.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2010 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Stephen Kelly <stephen.kelly@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include "transitionmodel.h"
#include <core/util.h>
#include <QAbstractTransition>
#include <QDebug>
#include <QSignalTransition>
#include <QState>
#include <QStringList>
#include <algorithm>
using namespace GammaRay;
namespace GammaRay {
class TransitionModelPrivate
{
explicit TransitionModelPrivate(TransitionModel *qq)
: q_ptr(qq)
, m_state(nullptr)
{
}
Q_DECLARE_PUBLIC(TransitionModel)
TransitionModel *const q_ptr;
QAbstractState *m_state;
QList<QObject *> children(QObject *parent) const;
QObject *mapModelIndex2QObject(const QModelIndex &) const;
};
}
QList<QObject *> TransitionModelPrivate::children(QObject *parent) const
{
QList<QObject *> result;
if (parent == nullptr)
parent = m_state;
foreach (QObject *o, parent->children()) {
if (o->inherits("QAbstractTransition"))
result.append(o);
}
std::sort(result.begin(), result.end());
return result;
}
QObject *TransitionModelPrivate::mapModelIndex2QObject(const QModelIndex &index) const
{
if (index.isValid()) {
QObjectList c = children(reinterpret_cast<QObject *>(index.internalPointer()));
return c[index.row()];
}
return m_state;
}
TransitionModel::TransitionModel(QObject *parent)
: ObjectModelBase<QAbstractItemModel>(parent)
, d_ptr(new TransitionModelPrivate(this))
{
}
TransitionModel::~TransitionModel()
{
delete d_ptr;
}
void TransitionModel::setState(QAbstractState *state)
{
Q_D(TransitionModel);
beginResetModel();
d->m_state = state;
endResetModel();
}
QVariant TransitionModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (section < 2)
return ObjectModelBase<QAbstractItemModel>::headerData(section, orientation, role);
if (section == 2)
return "Signal";
if (section == 3)
return "Target";
return QVariant();
}
QVariant TransitionModel::data(const QModelIndex &index, int role) const
{
Q_D(const TransitionModel);
if (!index.isValid() || !d->m_state)
return QVariant();
QObject *obj = d->mapModelIndex2QObject(index);
if (obj) {
if (index.column() == 2 && role == Qt::DisplayRole) {
QSignalTransition *sigTransition = qobject_cast<QSignalTransition *>(obj);
if (sigTransition)
return sigTransition->signal();
} else if (index.column() == 3 && role == Qt::DisplayRole) {
QAbstractTransition *transition = qobject_cast<QAbstractTransition *>(obj);
if (transition)
return Util::displayString(transition->targetState());
}
return dataForObject(obj, index, role);
}
return QVariant();
}
int TransitionModel::columnCount(const QModelIndex &parent) const
{
return ObjectModelBase<QAbstractItemModel>::columnCount(parent) + 2;
}
int TransitionModel::rowCount(const QModelIndex &parent) const
{
Q_D(const TransitionModel);
if (!d->m_state)
return 0;
return d->children(d->mapModelIndex2QObject(parent)).size();
}
QModelIndex TransitionModel::index(int row, int column, const QModelIndex &parent) const
{
Q_D(const TransitionModel);
if (parent.isValid() || !d->m_state)
return {};
if (row < 0 || column < 0 || column > 3)
return QModelIndex();
QObject *internalPointer = nullptr;
if (!parent.isValid()) {
internalPointer = d->m_state;
} else {
QObject *o = reinterpret_cast<QObject *>(parent.internalPointer());
QObjectList c = d->children(o);
internalPointer = c.at(parent.row());
}
QObjectList c = d->children(internalPointer);
if (row >= c.size())
return QModelIndex();
return createIndex(row, column, internalPointer);
}
QModelIndex TransitionModel::parent(const QModelIndex &index) const
{
Q_UNUSED(index);
// Q_D(const TransitionModel);
return {};
}
|
