1 /*
2 * Copyright (C) 2012 Stellarium Team
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
17 */
18
19 #include "PropertyBasedTableModel.hpp"
20 #include <QDebug>
21
22 /* ********************************************************************* */
23 #if 0
24 #pragma mark -
25 #pragma mark instance Methods
26 #endif
27 /* ********************************************************************* */
PropertyBasedTableModel(QObject * parent)28 PropertyBasedTableModel::PropertyBasedTableModel(QObject *parent)
29 : QAbstractTableModel(parent)
30 , content(Q_NULLPTR)
31 , modelObject(Q_NULLPTR)
32 {
33 }
34
35
~PropertyBasedTableModel()36 PropertyBasedTableModel::~PropertyBasedTableModel()
37 {
38 delete modelObject;
39 modelObject = Q_NULLPTR;
40 }
41
init(QList<QObject * > * content,QObject * model,QMap<int,QString> mappings)42 void PropertyBasedTableModel::init(QList<QObject *>* content, QObject *model, QMap<int,QString> mappings)
43 {
44 beginResetModel();
45 this->content = content;
46 this->modelObject = model;
47 this->mappings = mappings;
48 endResetModel();
49 }
50
51 /* ********************************************************************* */
52 #if 0
53 #pragma mark -
54 #pragma mark Model Methods
55 #endif
56 /* ********************************************************************* */
57
rowCount(const QModelIndex & parent) const58 int PropertyBasedTableModel::rowCount(const QModelIndex &parent) const
59 {
60 Q_UNUSED(parent);
61 return content->size();
62 }
63
columnCount(const QModelIndex & parent) const64 int PropertyBasedTableModel::columnCount(const QModelIndex &parent) const
65 {
66 Q_UNUSED(parent);
67 return mappings.size();
68 }
69
data(const QModelIndex & index,int role) const70 QVariant PropertyBasedTableModel::data(const QModelIndex &index, int role) const
71 {
72 QVariant data;
73 if ((role == Qt::DisplayRole || role == Qt::EditRole)
74 && index.isValid()
75 && index.row() < content->size()
76 && index.row() >= 0
77 && index.column() < mappings.size()
78 && index.column() >= 0){
79 QObject *object = content->at(index.row());
80 data = object->property(mappings[index.column()].toStdString().c_str());
81 }
82 return data;
83 }
84
insertRows(int position,int rows,const QModelIndex & index)85 bool PropertyBasedTableModel::insertRows(int position, int rows, const QModelIndex &index)
86 {
87 Q_UNUSED(index);
88 beginInsertRows(QModelIndex(), position, position + rows - 1);
89
90 for (int row=0; row < rows; row++) {
91 QObject* newInstance = modelObject->metaObject()->newInstance(Q_ARG(QObject, *modelObject));
92 Q_ASSERT(newInstance != 0);
93 content->insert(position, newInstance);
94 }
95
96 endInsertRows();
97 return true;
98 }
99
removeRows(int position,int rows,const QModelIndex & index)100 bool PropertyBasedTableModel::removeRows(int position, int rows, const QModelIndex &index)
101 {
102 Q_UNUSED(index);
103 beginRemoveRows(QModelIndex(), position, position + rows - 1);
104
105 for (int row=0; row < rows; ++row) {
106 content->removeAt(position);
107 }
108
109 endRemoveRows();
110 return true;
111 }
112
setData(const QModelIndex & index,const QVariant & value,int role)113 bool PropertyBasedTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
114 {
115 bool changeMade = false;
116 if (index.isValid() && role == Qt::EditRole && index.column() < mappings.size()) {
117 QObject* object = content->at(index.row());
118 object->setProperty(mappings[index.column()].toStdString().c_str(), value);
119 emit(QAbstractItemModel::dataChanged(index, index));
120
121 changeMade = true;
122 }
123
124 return changeMade;
125 }
126
flags(const QModelIndex & index) const127 Qt::ItemFlags PropertyBasedTableModel::flags(const QModelIndex &index) const
128 {
129 if (!index.isValid()) {
130 return Qt::ItemIsEnabled;
131 }
132
133 return QAbstractTableModel::flags(index) | Qt::ItemIsEditable;
134 }
135
moveRowUp(int position)136 void PropertyBasedTableModel::moveRowUp(int position)
137 {
138 int count = content->count();
139 if (count < 2 || position < 1 || position >= count)
140 return;
141
142 beginMoveRows(QModelIndex(), position, position, QModelIndex(), position-1);
143
144 content->move(position, position - 1);
145
146 endMoveRows();
147 }
148
moveRowDown(int position)149 void PropertyBasedTableModel::moveRowDown(int position)
150 {
151 int count = content->count();
152 if (count < 2 || position < 0 || position > (count - 2))
153 return;
154
155 beginMoveRows(QModelIndex(), position, position, QModelIndex(), position+2);
156
157 content->move(position, position + 1);
158
159 endMoveRows();
160 }
161
162