src/kitemviews/kitemmodelbase.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Peter Penz <peter.penz19@gmail.com>             *
   3  *                                                                         *
   4  *   Based on the Itemviews NG project from Trolltech Labs:                *
   5  *   http://qt.gitorious.org/qt-labs/itemviews-ng                          *
   6  *                                                                         *
   7  *   This program is free software; you can redistribute it and/or modify  *
   8  *   it under the terms of the GNU General Public License as published by  *
   9  *   the Free Software Foundation; either version 2 of the License, or     *
  10  *   (at your option) any later version.                                   *
  11  *                                                                         *
  12  *   This program 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         *
  15  *   GNU General Public License for more details.                          *
  16  *                                                                         *
  17  *   You should have received a copy of the GNU General Public License     *
  18  *   along with this program; if not, write to the                         *
  19  *   Free Software Foundation, Inc.,                                       *
  20  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  21  ***************************************************************************/
  22
  23 #include "kitemmodelbase.h"
  24
  25 KItemRange::KItemRange(int index, int count) :
  26     index(index),
  27     count(count)
  28 {
  29 }
  30
  31 KItemModelBase::KItemModelBase(QObject* parent) :
  32     QObject(parent),
  33     m_groupRole(),
  34     m_sortRole()
  35 {
  36 }
  37
  38 KItemModelBase::KItemModelBase(const QByteArray& groupRole, const QByteArray& sortRole, QObject* parent) :
  39     QObject(parent),
  40     m_groupRole(groupRole),
  41     m_sortRole(sortRole)
  42 {
  43 }
  44
  45 KItemModelBase::~KItemModelBase()
  46 {
  47 }
  48
  49 bool KItemModelBase::setData(int index, const QHash<QByteArray, QVariant> &values)
  50 {
  51     Q_UNUSED(index);
  52     Q_UNUSED(values);
  53     return false;
  54 }
  55
  56 bool KItemModelBase::supportsGrouping() const
  57 {
  58     return false;
  59 }
  60
  61 void KItemModelBase::setGroupRole(const QByteArray& role)
  62 {
  63     if (supportsGrouping() && role != m_groupRole) {
  64         const QByteArray previous = m_groupRole;
  65         m_groupRole = role;
  66         onGroupRoleChanged(role, previous);
  67         emit groupRoleChanged(role, previous);
  68     }
  69 }
  70
  71 QByteArray KItemModelBase::groupRole() const
  72 {
  73     return m_groupRole;
  74 }
  75
  76 bool KItemModelBase::supportsSorting() const
  77 {
  78     return false;
  79 }
  80
  81 void KItemModelBase::setSortRole(const QByteArray& role)
  82 {
  83     if (supportsSorting() && role != m_sortRole) {
  84         const QByteArray previous = m_sortRole;
  85         m_sortRole = role;
  86         onSortRoleChanged(role, previous);
  87         emit sortRoleChanged(role, previous);
  88     }
  89 }
  90
  91 QByteArray KItemModelBase::sortRole() const
  92 {
  93     return m_sortRole;
  94 }
  95
  96 QString KItemModelBase::roleDescription(const QByteArray& role) const
  97 {
  98     return role;
  99 }
 100
 101 void KItemModelBase::onGroupRoleChanged(const QByteArray& current, const QByteArray& previous)
 102 {
 103     Q_UNUSED(current);
 104     Q_UNUSED(previous);
 105 }
 106
 107 void KItemModelBase::onSortRoleChanged(const QByteArray& current, const QByteArray& previous)
 108 {
 109     Q_UNUSED(current);
 110     Q_UNUSED(previous);
 111 }
 112
 113 #include "kitemmodelbase.moc"