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kcolumnfilterproxymodel.cpp
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1 /*
2  Copyright (C) 2010 Klarälvdalens Datakonsult AB,
3  a KDAB Group company, info@kdab.net,
4 
5  author Bertjan Broeksema <broeksema@kde.org>
6 
7  This library is free software; you can redistribute it and/or
8  modify it under the terms of the GNU Lesser General Public
9  License as published by the Free Software Foundation; either
10  version 2.1 of the License, or (at your option) any later version.
11 
12  This library is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  Lesser General Public License for more details.
16 
17  You should have received a copy of the GNU Lesser General Public
18  License along with this library; if not, write to the Free Software
19  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21 
22 #include "kcolumnfilterproxymodel.h"
23 
24 #include <QtCore/QVector>
25 
26 using namespace Future;
27 
28 namespace Future {
29  struct KColumnFilterProxyModelPrivate
30  {
31  QVector<int> m_visibleColumns;
32  };
33 }
34 
35 KColumnFilterProxyModel::KColumnFilterProxyModel( QObject* parent )
36  : QSortFilterProxyModel( parent )
37  , d_ptr( new KColumnFilterProxyModelPrivate )
38 { }
39 
40 KColumnFilterProxyModel::~KColumnFilterProxyModel()
41 {
42  delete d_ptr;
43 }
44 
45 QVector<int> KColumnFilterProxyModel::visbileColumns() const
46 {
47  Q_D( const KColumnFilterProxyModel );
48  return d->m_visibleColumns;
49 }
50 
51 void KColumnFilterProxyModel::setVisibleColumn( int column )
52 {
53  setVisibleColumns( QVector<int>() << column );
54 }
55 
56 void KColumnFilterProxyModel::setVisibleColumns( const QVector<int> &visibleColumns )
57 {
58  Q_D( KColumnFilterProxyModel );
59  d->m_visibleColumns = visibleColumns;
60  invalidateFilter();
61 }
62 
63 bool KColumnFilterProxyModel::filterAcceptsColumn( int column, const QModelIndex &parent ) const
64 {
65  Q_D( const KColumnFilterProxyModel );
66 
67  if ( !d->m_visibleColumns.isEmpty() && !d->m_visibleColumns.contains( column ) ) {
68  // We only filter columns out when m_visibleColumns actually contains values.
69  return false;
70  }
71 
72  return QSortFilterProxyModel::filterAcceptsColumn( column, parent );
73 }
74 
Future::KColumnFilterProxyModel::KColumnFilterProxyModel
KColumnFilterProxyModel(QObject *parent=0)
Definition: kcolumnfilterproxymodel.cpp:35
Future::KColumnFilterProxyModel::filterAcceptsColumn
virtual bool filterAcceptsColumn(int column, const QModelIndex &parent) const
Definition: kcolumnfilterproxymodel.cpp:63
Future::KColumnFilterProxyModel::setVisibleColumn
void setVisibleColumn(int column)
Convenience function.
Definition: kcolumnfilterproxymodel.cpp:51
QVector< int >
QObject
Future::KColumnFilterProxyModel::setVisibleColumns
void setVisibleColumns(const QVector< int > &visibleColumns)
Change the visible columns.
Definition: kcolumnfilterproxymodel.cpp:56
kcolumnfilterproxymodel.h
QSortFilterProxyModel
Future::KColumnFilterProxyModel
Filter model to make only certain columns of a model visible.
Definition: kcolumnfilterproxymodel.h:41
Future::KColumnFilterProxyModel::~KColumnFilterProxyModel
virtual ~KColumnFilterProxyModel()
Definition: kcolumnfilterproxymodel.cpp:40
Future::KColumnFilterProxyModel::visbileColumns
QVector< int > visbileColumns() const
Returns a vector containing the visible columns.
Definition: kcolumnfilterproxymodel.cpp:45
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