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 bool KItemRange::operator == (const KItemRange& other) const
  32 {
  33     return index == other.index && count == other.count;
  34 }
  35
  36 KItemModelBase::KItemModelBase(QObject* parent) :
  37     QObject(parent),
  38     m_groupedSorting(false),
  39     m_sortRole(),
  40     m_sortOrder(Qt::AscendingOrder)
  41 {
  42 }
  43
  44 KItemModelBase::KItemModelBase(const QByteArray& sortRole, QObject* parent) :
  45     QObject(parent),
  46     m_groupedSorting(false),
  47     m_sortRole(sortRole),
  48     m_sortOrder(Qt::AscendingOrder)
  49 {
  50 }
  51
  52 KItemModelBase::~KItemModelBase()
  53 {
  54 }
  55
  56 bool KItemModelBase::setData(int index, const QHash<QByteArray, QVariant> &values)
  57 {
  58     Q_UNUSED(index);
  59     Q_UNUSED(values);
  60     return false;
  61 }
  62
  63 void KItemModelBase::setGroupedSorting(bool grouped)
  64 {
  65     if (m_groupedSorting != grouped) {
  66         m_groupedSorting = grouped;
  67         onGroupedSortingChanged(grouped);
  68         emit groupedSortingChanged(grouped);
  69     }
  70 }
  71
  72 bool KItemModelBase::groupedSorting() const
  73 {
  74     return m_groupedSorting;
  75 }
  76
  77 void KItemModelBase::setSortRole(const QByteArray& role)
  78 {
  79     if (role != m_sortRole) {
  80         const QByteArray previous = m_sortRole;
  81         m_sortRole = role;
  82         onSortRoleChanged(role, previous);
  83         emit sortRoleChanged(role, previous);
  84     }
  85 }
  86
  87 QByteArray KItemModelBase::sortRole() const
  88 {
  89     return m_sortRole;
  90 }
  91
  92 void KItemModelBase::setSortOrder(Qt::SortOrder order)
  93 {
  94     if (order != m_sortOrder) {
  95         const Qt::SortOrder previous = m_sortOrder;
  96         m_sortOrder = order;
  97         onSortOrderChanged(order, previous);
  98         emit sortOrderChanged(order, previous);
  99     }
 100 }
 101
 102 QString KItemModelBase::roleDescription(const QByteArray& role) const
 103 {
 104     return role;
 105 }
 106
 107 QList<QPair<int, QVariant> > KItemModelBase::groups() const
 108 {
 109     return QList<QPair<int, QVariant> >();
 110 }
 111
 112 QMimeData* KItemModelBase::createMimeData(const QSet<int>& indexes) const
 113 {
 114     Q_UNUSED(indexes);
 115     return 0;
 116 }
 117
 118 int KItemModelBase::indexForKeyboardSearch(const QString& text, int startFromIndex) const
 119 {
 120     Q_UNUSED(text);
 121     Q_UNUSED(startFromIndex);
 122     return -1;
 123 }
 124
 125 bool KItemModelBase::supportsDropping(int index) const
 126 {
 127     Q_UNUSED(index);
 128     return false;
 129 }
 130
 131 void KItemModelBase::onGroupedSortingChanged(bool current)
 132 {
 133     Q_UNUSED(current);
 134 }
 135
 136 void KItemModelBase::onSortRoleChanged(const QByteArray& current, const QByteArray& previous)
 137 {
 138     Q_UNUSED(current);
 139     Q_UNUSED(previous);
 140 }
 141
 142 void KItemModelBase::onSortOrderChanged(Qt::SortOrder current, Qt::SortOrder previous)
 143 {
 144     Q_UNUSED(current);
 145     Q_UNUSED(previous);
 146 }
 147
 148 #include "kitemmodelbase.moc"