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_groupRole(),
  39     m_sortRole()
  40 {
  41 }
  42
  43 KItemModelBase::KItemModelBase(const QByteArray& groupRole, const QByteArray& sortRole, QObject* parent) :
  44     QObject(parent),
  45     m_groupRole(groupRole),
  46     m_sortRole(sortRole)
  47 {
  48 }
  49
  50 KItemModelBase::~KItemModelBase()
  51 {
  52 }
  53
  54 bool KItemModelBase::setData(int index, const QHash<QByteArray, QVariant> &values)
  55 {
  56     Q_UNUSED(index);
  57     Q_UNUSED(values);
  58     return false;
  59 }
  60
  61 bool KItemModelBase::supportsGrouping() const
  62 {
  63     return false;
  64 }
  65
  66 void KItemModelBase::setGroupRole(const QByteArray& role)
  67 {
  68     if (supportsGrouping() && role != m_groupRole) {
  69         const QByteArray previous = m_groupRole;
  70         m_groupRole = role;
  71         onGroupRoleChanged(role, previous);
  72         emit groupRoleChanged(role, previous);
  73     }
  74 }
  75
  76 QByteArray KItemModelBase::groupRole() const
  77 {
  78     return m_groupRole;
  79 }
  80
  81 bool KItemModelBase::supportsSorting() const
  82 {
  83     return false;
  84 }
  85
  86 void KItemModelBase::setSortRole(const QByteArray& role)
  87 {
  88     if (supportsSorting() && role != m_sortRole) {
  89         const QByteArray previous = m_sortRole;
  90         m_sortRole = role;
  91         onSortRoleChanged(role, previous);
  92         emit sortRoleChanged(role, previous);
  93     }
  94 }
  95
  96 QByteArray KItemModelBase::sortRole() const
  97 {
  98     return m_sortRole;
  99 }
 100
 101 QString KItemModelBase::roleDescription(const QByteArray& role) const
 102 {
 103     return role;
 104 }
 105
 106 QMimeData* KItemModelBase::createMimeData(const QSet<int>& indexes) const
 107 {
 108     Q_UNUSED(indexes);
 109     return 0;
 110 }
 111
 112 int KItemModelBase::indexForKeyboardSearch(const QString& text, int startFromIndex) const
 113 {
 114     Q_UNUSED(text);
 115     Q_UNUSED(startFromIndex);
 116     return -1;
 117 }
 118
 119 bool KItemModelBase::supportsDropping(int index) const
 120 {
 121     Q_UNUSED(index);
 122     return false;
 123 }
 124
 125 void KItemModelBase::onGroupRoleChanged(const QByteArray& current, const QByteArray& previous)
 126 {
 127     Q_UNUSED(current);
 128     Q_UNUSED(previous);
 129 }
 130
 131 void KItemModelBase::onSortRoleChanged(const QByteArray& current, const QByteArray& previous)
 132 {
 133     Q_UNUSED(current);
 134     Q_UNUSED(previous);
 135 }
 136
 137 #include "kitemmodelbase.moc"