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 KItemModelBase::KItemModelBase(QObject* parent) :
  26     QObject(parent),
  27     m_groupedSorting(false),
  28     m_sortRole(),
  29     m_sortOrder(Qt::AscendingOrder)
  30 {
  31 }
  32
  33 KItemModelBase::KItemModelBase(const QByteArray& sortRole, QObject* parent) :
  34     QObject(parent),
  35     m_groupedSorting(false),
  36     m_sortRole(sortRole),
  37     m_sortOrder(Qt::AscendingOrder)
  38 {
  39 }
  40
  41 KItemModelBase::~KItemModelBase()
  42 {
  43 }
  44
  45 bool KItemModelBase::setData(int index, const QHash<QByteArray, QVariant> &values)
  46 {
  47     Q_UNUSED(index);
  48     Q_UNUSED(values);
  49     return false;
  50 }
  51
  52 void KItemModelBase::setGroupedSorting(bool grouped)
  53 {
  54     if (m_groupedSorting != grouped) {
  55         m_groupedSorting = grouped;
  56         onGroupedSortingChanged(grouped);
  57         emit groupedSortingChanged(grouped);
  58     }
  59 }
  60
  61 bool KItemModelBase::groupedSorting() const
  62 {
  63     return m_groupedSorting;
  64 }
  65
  66 void KItemModelBase::setSortRole(const QByteArray& role)
  67 {
  68     if (role != m_sortRole) {
  69         const QByteArray previous = m_sortRole;
  70         m_sortRole = role;
  71         onSortRoleChanged(role, previous);
  72         emit sortRoleChanged(role, previous);
  73     }
  74 }
  75
  76 QByteArray KItemModelBase::sortRole() const
  77 {
  78     return m_sortRole;
  79 }
  80
  81 void KItemModelBase::setSortOrder(Qt::SortOrder order)
  82 {
  83     if (order != m_sortOrder) {
  84         const Qt::SortOrder previous = m_sortOrder;
  85         m_sortOrder = order;
  86         onSortOrderChanged(order, previous);
  87         emit sortOrderChanged(order, previous);
  88     }
  89 }
  90
  91 QString KItemModelBase::roleDescription(const QByteArray& role) const
  92 {
  93     return role;
  94 }
  95
  96 QList<QPair<int, QVariant> > KItemModelBase::groups() const
  97 {
  98     return QList<QPair<int, QVariant> >();
  99 }
 100
 101 bool KItemModelBase::setExpanded(int index, bool expanded)
 102 {
 103     Q_UNUSED(index);
 104     Q_UNUSED(expanded);
 105     return false;
 106 }
 107
 108 bool KItemModelBase::isExpanded(int index) const
 109 {
 110     Q_UNUSED(index);
 111     return false;
 112 }
 113
 114 bool KItemModelBase::isExpandable(int index) const
 115 {
 116     Q_UNUSED(index);
 117     return false;
 118 }
 119
 120 int KItemModelBase::expandedParentsCount(int index) const
 121 {
 122     Q_UNUSED(index);
 123     return 0;
 124 }
 125
 126 QMimeData* KItemModelBase::createMimeData(const KItemSet& indexes) const
 127 {
 128     Q_UNUSED(indexes);
 129     return 0;
 130 }
 131
 132 int KItemModelBase::indexForKeyboardSearch(const QString& text, int startFromIndex) const
 133 {
 134     Q_UNUSED(text);
 135     Q_UNUSED(startFromIndex);
 136     return -1;
 137 }
 138
 139 bool KItemModelBase::supportsDropping(int index) const
 140 {
 141     Q_UNUSED(index);
 142     return false;
 143 }
 144
 145 void KItemModelBase::onGroupedSortingChanged(bool current)
 146 {
 147     Q_UNUSED(current);
 148 }
 149
 150 void KItemModelBase::onSortRoleChanged(const QByteArray& current, const QByteArray& previous)
 151 {
 152     Q_UNUSED(current);
 153     Q_UNUSED(previous);
 154 }
 155
 156 void KItemModelBase::onSortOrderChanged(Qt::SortOrder current, Qt::SortOrder previous)
 157 {
 158     Q_UNUSED(current);
 159     Q_UNUSED(previous);
 160 }
 161
 162 #include "kitemmodelbase.moc"