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50
51#include "tablemodel.h"
52
53//! [0]
54TableModel::TableModel(QObject *parent)
55 : QAbstractTableModel(parent)
56{
57}
58
59TableModel::TableModel(const QList<Contact> &contacts, QObject *parent)
60 : QAbstractTableModel(parent), contacts(contacts)
61{
62}
63//! [0]
64
65//! [1]
66int TableModel::rowCount(const QModelIndex &parent) const
67{
68 return parent.isValid() ? 0 : contacts.size();
69}
70
71int TableModel::columnCount(const QModelIndex &parent) const
72{
73 return parent.isValid() ? 0 : 2;
74}
75//! [1]
76
77//! [2]
78QVariant TableModel::data(const QModelIndex &index, int role) const
79{
80 if (!index.isValid())
81 return QVariant();
82
83 if (index.row() >= contacts.size() || index.row() < 0)
84 return QVariant();
85
86 if (role == Qt::DisplayRole) {
87 const auto &contact = contacts.at(index.row());
88
89 switch (index.column()) {
90 case 0:
91 return contact.name;
92 case 1:
93 return contact.address;
94 default:
95 break;
96 }
97 }
98 return QVariant();
99}
100//! [2]
101
102//! [3]
103QVariant TableModel::headerData(int section, Qt::Orientation orientation, int role) const
104{
105 if (role != Qt::DisplayRole)
106 return QVariant();
107
108 if (orientation == Qt::Horizontal) {
109 switch (section) {
110 case 0:
111 return tr("Name");
112 case 1:
113 return tr("Address");
114 default:
115 break;
116 }
117 }
118 return QVariant();
119}
120//! [3]
121
122//! [4]
123bool TableModel::insertRows(int position, int rows, const QModelIndex &index)
124{
125 Q_UNUSED(index);
126 beginInsertRows(QModelIndex(), position, position + rows - 1);
127
128 for (int row = 0; row < rows; ++row)
129 contacts.insert(position, { QString(), QString() });
130
131 endInsertRows();
132 return true;
133}
134//! [4]
135
136//! [5]
137bool TableModel::removeRows(int position, int rows, const QModelIndex &index)
138{
139 Q_UNUSED(index);
140 beginRemoveRows(QModelIndex(), position, position + rows - 1);
141
142 for (int row = 0; row < rows; ++row)
143 contacts.removeAt(position);
144
145 endRemoveRows();
146 return true;
147}
148//! [5]
149
150//! [6]
151bool TableModel::setData(const QModelIndex &index, const QVariant &value, int role)
152{
153 if (index.isValid() && role == Qt::EditRole) {
154 const int row = index.row();
155 auto contact = contacts.value(row);
156
157 switch (index.column()) {
158 case 0:
159 contact.name = value.toString();
160 break;
161 case 1:
162 contact.address = value.toString();
163 break;
164 default:
165 return false;
166 }
167 contacts.replace(row, contact);
168 emit dataChanged(index, index, {Qt::DisplayRole, Qt::EditRole});
169
170 return true;
171 }
172
173 return false;
174}
175//! [6]
176
177//! [7]
178Qt::ItemFlags TableModel::flags(const QModelIndex &index) const
179{
180 if (!index.isValid())
181 return Qt::ItemIsEnabled;
182
183 return QAbstractTableModel::flags(index) | Qt::ItemIsEditable;
184}
185//! [7]
186
187//! [8]
188const QList<Contact> &TableModel::getContacts() const
189{
190 return contacts;
191}
192//! [8]
193