1 /*
2   methodargumentmodel.cpp
3 
4   This file is part of GammaRay, the Qt application inspection and
5   manipulation tool.
6 
7   Copyright (C) 2010-2021 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
8   Author: Volker Krause <volker.krause@kdab.com>
9 
10   Licensees holding valid commercial KDAB GammaRay licenses may use this file in
11   accordance with GammaRay Commercial License Agreement provided with the Software.
12 
13   Contact info@kdab.com if any conditions of this licensing are not clear to you.
14 
15   This program is free software; you can redistribute it and/or modify
16   it under the terms of the GNU General Public License as published by
17   the Free Software Foundation, either version 2 of the License, or
18   (at your option) any later version.
19 
20   This program is distributed in the hope that it will be useful,
21   but WITHOUT ANY WARRANTY; without even the implied warranty of
22   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
23   GNU General Public License for more details.
24 
25   You should have received a copy of the GNU General Public License
26   along with this program.  If not, see <http://www.gnu.org/licenses/>.
27 */
28 
29 #include "methodargumentmodel.h"
30 
31 using namespace GammaRay;
32 
MethodArgumentModel(QObject * parent)33 MethodArgumentModel::MethodArgumentModel(QObject *parent)
34     : QAbstractTableModel(parent)
35 {
36 }
37 
setMethod(const QMetaMethod & method)38 void MethodArgumentModel::setMethod(const QMetaMethod &method)
39 {
40     beginResetModel();
41     m_method = method;
42     m_arguments.clear();
43     m_arguments.resize(method.parameterTypes().size());
44     for (int i = 0; i < m_arguments.size(); ++i) {
45         const QByteArray typeName = method.parameterTypes().at(i);
46         const QVariant::Type variantType = QVariant::nameToType(typeName);
47         m_arguments[i] = QVariant(variantType);
48     }
49     endResetModel();
50 }
51 
data(const QModelIndex & index,int role) const52 QVariant MethodArgumentModel::data(const QModelIndex &index, int role) const
53 {
54     if (m_method.methodSignature().isEmpty()
55         || m_arguments.isEmpty()
56         || index.row() < 0
57         || index.row() >= m_arguments.size())
58         return QVariant();
59 
60     if (role == Qt::DisplayRole || role == Qt::EditRole) {
61         const QVariant value = m_arguments.at(index.row());
62         const QByteArray parameterName = m_method.parameterNames().at(index.row());
63         const QByteArray parameterType = m_method.parameterTypes().at(index.row());
64         switch (index.column()) {
65         case 0:
66             if (parameterName.isEmpty())
67                 return tr("<unnamed> (%1)").arg(QString::fromLatin1(parameterType));
68             return parameterName;
69         case 1:
70             return value;
71         case 2:
72             return parameterType;
73         }
74     }
75     return QVariant();
76 }
77 
columnCount(const QModelIndex & parent) const78 int MethodArgumentModel::columnCount(const QModelIndex &parent) const
79 {
80     Q_UNUSED(parent);
81     return 3;
82 }
83 
rowCount(const QModelIndex & parent) const84 int MethodArgumentModel::rowCount(const QModelIndex &parent) const
85 {
86     if (parent.isValid())
87         return 0;
88     return m_arguments.size();
89 }
90 
setData(const QModelIndex & index,const QVariant & value,int role)91 bool MethodArgumentModel::setData(const QModelIndex &index, const QVariant &value, int role)
92 {
93     if (index.row() >= 0 && index.row() < m_arguments.size() && role == Qt::EditRole) {
94         m_arguments[index.row()] = value;
95         emit dataChanged(index, index);
96         return true;
97     }
98     return QAbstractItemModel::setData(index, value, role);
99 }
100 
headerData(int section,Qt::Orientation orientation,int role) const101 QVariant MethodArgumentModel::headerData(int section, Qt::Orientation orientation, int role) const
102 {
103     if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
104         switch (section) {
105         case 0:
106             return tr("Argument");
107         case 1:
108             return tr("Value");
109         case 2:
110             return tr("Type");
111         }
112     }
113     return QAbstractItemModel::headerData(section, orientation, role);
114 }
115 
flags(const QModelIndex & index) const116 Qt::ItemFlags MethodArgumentModel::flags(const QModelIndex &index) const
117 {
118     const Qt::ItemFlags flags = QAbstractTableModel::flags(index);
119     if (index.column() == 1)
120         return flags | Qt::ItemIsEditable;
121     return flags;
122 }
123 
arguments() const124 QVector<MethodArgument> MethodArgumentModel::arguments() const
125 {
126     QVector<MethodArgument> args(10);
127     for (int i = 0; i < rowCount(); ++i)
128         args[i] = MethodArgument(m_arguments.at(i));
129     return args;
130 }
131