1 /* massXpert - the true massist's program.
2    --------------------------------------
3    Copyright(C) 2006,2007 Filippo Rusconi
4 
5    http://www.massxpert.org/massXpert
6 
7    This file is part of the massXpert project.
8 
9    The massxpert project is the successor to the "GNU polyxmass"
10    project that is an official GNU project package(see
11    www.gnu.org). The massXpert project is not endorsed by the GNU
12    project, although it is released ---in its entirety--- under the
13    GNU General Public License. A huge part of the code in massXpert
14    is actually a C++ rewrite of code in GNU polyxmass. As such
15    massXpert was started at the Centre National de la Recherche
16    Scientifique(FRANCE), that granted me the formal authorization to
17    publish it under this Free Software License.
18 
19    This software is free software; you can redistribute it and/or
20    modify it under the terms of the GNU  General Public
21    License version 3, as published by the Free Software Foundation.
22 
23 
24    This software is distributed in the hope that it will be useful,
25    but WITHOUT ANY WARRANTY; without even the implied warranty of
26    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
27    General Public License for more details.
28 
29    You should have received a copy of the GNU General Public License
30    along with this software; if not, write to the
31 
32    Free Software Foundation, Inc.,
33 
34    51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
35 */
36 
37 
38 /////////////////////// Qt includes
39 #include <QDebug>
40 
41 
42 /////////////////////// Local includes
43 #include "mzCalculationTreeViewSortProxyModel.hpp"
44 
45 
46 namespace massXpert
47 {
48 
49   MzCalculationTreeViewSortProxyModel::
MzCalculationTreeViewSortProxyModel(QObject * parent)50   MzCalculationTreeViewSortProxyModel(QObject *parent)
51     : QSortFilterProxyModel(parent)
52   {
53   }
54 
55 
56   MzCalculationTreeViewSortProxyModel::
~MzCalculationTreeViewSortProxyModel()57   ~MzCalculationTreeViewSortProxyModel()
58   {
59   }
60 
61 
62   bool
lessThan(const QModelIndex & left,const QModelIndex & right) const63   MzCalculationTreeViewSortProxyModel::lessThan(const QModelIndex &left,
64 						 const QModelIndex &right)
65     const
66   {
67     QVariant leftData = sourceModel()->data(left);
68     QVariant rightData = sourceModel()->data(right);
69 
70     if (leftData.type() == QVariant::Int)
71       {
72 	// The Partial column
73 
74 	int leftValue = leftData.toInt();
75 	int rightValue = rightData.toInt();
76 
77 	return(leftValue < rightValue);
78       }
79     if (leftData.type() == QVariant::Bool)
80       {
81 	// The Modif column
82 
83 	int leftValue = leftData.toInt();
84 	int rightValue = rightData.toInt();
85 
86 	return(leftValue < rightValue);
87       }
88     else if (leftData.type() == QVariant::Double)
89       {
90 	bool ok = false;
91 
92 	double leftValue = leftData.toDouble(&ok);
93 	Q_ASSERT(ok);
94 	double rightValue = rightData.toDouble(&ok);
95 	Q_ASSERT(ok);
96 
97 	return(leftValue < rightValue);
98       }
99 
100     if (leftData.type() == QVariant::String)
101       {
102 	QString leftString = leftData.toString();
103 	QString rightString = rightData.toString();
104 
105 	return(QString::localeAwareCompare(leftString, rightString) < 0);
106       }
107 
108     return true;
109   }
110 
111 
112 } // namespace massXpert
113