@@ -0,0 +1,98 @@
1+/*
2+ * Copyright (C) 2012 Canonical, Ltd.
3+ *
4+ * This program is free software; you can redistribute it and/or modify
5+ * it under the terms of the GNU General Public License as published by
6+ * the Free Software Foundation; version 3.
7+ *
8+ * This program is distributed in the hope that it will be useful,
9+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
10+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11+ * GNU General Public License for more details.
12+ *
13+ * You should have received a copy of the GNU General Public License
14+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
15+ */
16+
17+// self
18+#include "modelprinter.h"
19+
20+// Qt
21+#include <QDebug>
22+
23+ModelPrinter::ModelPrinter(QObject *parent)
24+ : QObject(parent)
25+ , m_model(NULL)
26+{
27+}
28+
29+void ModelPrinter::setSourceModel(QAbstractItemModel * sourceModel)
30+{
31+ if (m_model != NULL)
32+ {
33+ disconnect(m_model, SIGNAL(modelReset()), this, SIGNAL(sourceChanged()));
34+ disconnect(m_model, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SIGNAL(sourceChanged()));
35+ disconnect(m_model, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SIGNAL(sourceChanged()));
36+ }
37+ if (m_model != sourceModel)
38+ {
39+ m_model = sourceModel;
40+ Q_EMIT modelChanged();
41+ Q_EMIT sourceChanged();
42+ }
43+ if (m_model != NULL)
44+ {
45+ connect(m_model, SIGNAL(modelReset()), this, SIGNAL(sourceChanged()));
46+ connect(m_model, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SIGNAL(sourceChanged()));
47+ connect(m_model, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SIGNAL(sourceChanged()));
48+ }
49+}
50+
51+QAbstractItemModel* ModelPrinter::sourceModel() const
52+{
53+ return m_model;
54+}
55+
56+QString ModelPrinter::getString(const QModelIndex& index) const
57+{
58+ return recurse_string(index, 0);
59+}
60+
61+QString tabify(int level) { QString str;
62+ for (int i = 0; i < level; i++) {
63+ str += " ";
64+ }
65+ return str;
66+}
67+
68+QString ModelPrinter::recurse_string(const QModelIndex& index, int level) const
69+{
70+ QString str;
71+ QTextStream stream(&str);
72+
73+ QHash<int, QByteArray> roleNames = m_model->roleNames();
74+ QList<int> roles = roleNames.keys();
75+ qSort(roles);
76+ Q_FOREACH(int role, roles) {
77+ QVariant vData = m_model->data(index, role);
78+ if (vData.canConvert(QMetaType::QVariantMap)) {
79+ QMapIterator<QString, QVariant> iter(vData.toMap());
80+ while (iter.hasNext()) {
81+ iter.next();
82+ stream << tabify(level) << roleNames[role] << "." << iter.key() << ": " << iter.value().toString() << endl;
83+ }
84+ }
85+ else {
86+ stream << tabify(level) << roleNames[role] << ": " << vData.toString() << endl;
87+ }
88+ }
89+
90+ int rowCount = m_model->rowCount(index);
91+ stream << tabify(level) << "child count" << ": " << rowCount << endl;
92+ for (int i = 0; i < rowCount; i++)
93+ {
94+ QModelIndex child = m_model->index(i, 0, index);
95+ str += recurse_string(child, level+1);
96+ }
97+ return str;
98+}