-/*
- * SPDX-FileCopyrightText: 2012 Peter Penz <peter.penz19@gmail.com>
- *
- * SPDX-License-Identifier: GPL-2.0-or-later
- */
-
-#include "kstandarditemmodel.h"
-
-#include "kstandarditem.h"
-
-KStandardItemModel::KStandardItemModel(QObject* parent) :
- KItemModelBase(parent),
- m_items(),
- m_indexesForItems()
-{
-}
-
-KStandardItemModel::~KStandardItemModel()
-{
- qDeleteAll(m_items);
- m_items.clear();
- m_indexesForItems.clear();
-}
-
-void KStandardItemModel::insertItem(int index, KStandardItem* item)
-{
- if (index < 0 || index > count() || !item) {
- delete item;
- return;
- }
-
- if (!m_indexesForItems.contains(item)) {
- item->m_model = this;
- m_items.insert(index, item);
- m_indexesForItems.insert(item, index);
-
- // Inserting an item requires to update the indexes
- // afterwards from m_indexesForItems.
- for (int i = index + 1; i < m_items.count(); ++i) {
- m_indexesForItems.insert(m_items[i], i);
- }
-
- // TODO: no hierarchical items are handled yet
-
- onItemInserted(index);
- Q_EMIT itemsInserted(KItemRangeList() << KItemRange(index, 1));
- }
-}
-
-void KStandardItemModel::changeItem(int index, KStandardItem* item)
-{
- if (index < 0 || index >= count() || !item) {
- delete item;
- return;
- }
-
- item->m_model = this;
-
- QSet<QByteArray> changedRoles;
-
- KStandardItem* oldItem = m_items[index];
- const QHash<QByteArray, QVariant> oldData = oldItem->data();
- const QHash<QByteArray, QVariant> newData = item->data();
-
- // Determine which roles have been changed
- QHashIterator<QByteArray, QVariant> it(oldData);
- while (it.hasNext()) {
- it.next();
- const QByteArray role = it.key();
- const QVariant oldValue = it.value();
- if (newData.contains(role) && newData.value(role) != oldValue) {
- changedRoles.insert(role);
- }
- }
-
- m_indexesForItems.remove(oldItem);
- delete oldItem;
- oldItem = nullptr;
-
- m_items[index] = item;
- m_indexesForItems.insert(item, index);
-
- onItemChanged(index, changedRoles);
- Q_EMIT itemsChanged(KItemRangeList() << KItemRange(index, 1), changedRoles);
-}
-
-void KStandardItemModel::removeItem(int index)
-{
- if (index >= 0 && index < count()) {
- KStandardItem* item = m_items[index];
- m_indexesForItems.remove(item);
- m_items.removeAt(index);
-
- // Removing an item requires to update the indexes
- // afterwards from m_indexesForItems.
- for (int i = index; i < m_items.count(); ++i) {
- m_indexesForItems.insert(m_items[i], i);
- }
-
- onItemRemoved(index, item);
-
- item->deleteLater();
- item = nullptr;
-
- Q_EMIT itemsRemoved(KItemRangeList() << KItemRange(index, 1));
-
- // TODO: no hierarchical items are handled yet
- }
-}
-
-void KStandardItemModel::clear()
-{
- int size = m_items.size();
- m_items.clear();
- m_indexesForItems.clear();
-
- Q_EMIT itemsRemoved(KItemRangeList() << KItemRange(0, size));
-}
-
-KStandardItem* KStandardItemModel::item(int index) const
-{
- if (index < 0 || index >= m_items.count()) {
- return nullptr;
- }
- return m_items[index];
-}
-
-int KStandardItemModel::index(const KStandardItem* item) const
-{
- return m_indexesForItems.value(item, -1);
-}
-
-void KStandardItemModel::appendItem(KStandardItem *item)
-{
- insertItem(m_items.count(), item);
-}
-
-int KStandardItemModel::count() const
-{
- return m_items.count();
-}
-
-QHash<QByteArray, QVariant> KStandardItemModel::data(int index) const
-{
- if (index >= 0 && index < count()) {
- const KStandardItem* item = m_items[index];
- if (item) {
- return item->data();
- }
- }
- return QHash<QByteArray, QVariant>();
-}
-
-bool KStandardItemModel::setData(int index, const QHash<QByteArray, QVariant>& values)
-{
- Q_UNUSED(values)
- if (index < 0 || index >= count()) {
- return false;
- }
-
- return true;
-}
-
-QMimeData* KStandardItemModel::createMimeData(const KItemSet& indexes) const
-{
- Q_UNUSED(indexes)
- return nullptr;
-}
-
-int KStandardItemModel::indexForKeyboardSearch(const QString& text, int startFromIndex) const
-{
- Q_UNUSED(text)
- Q_UNUSED(startFromIndex)
- return -1;
-}
-
-bool KStandardItemModel::supportsDropping(int index) const
-{
- Q_UNUSED(index)
- return false;
-}
-
-QString KStandardItemModel::roleDescription(const QByteArray& role) const
-{
- Q_UNUSED(role)
- return QString();
-}
-
-QList<QPair<int, QVariant> > KStandardItemModel::groups() const
-{
- QList<QPair<int, QVariant> > groups;
-
- const QByteArray role = sortRole().isEmpty() ? "group" : sortRole();
- bool isFirstGroupValue = true;
- QString groupValue;
- const int maxIndex = count() - 1;
- for (int i = 0; i <= maxIndex; ++i) {
- const QString newGroupValue = m_items.at(i)->dataValue(role).toString();
- if (newGroupValue != groupValue || isFirstGroupValue) {
- groupValue = newGroupValue;
- groups.append(QPair<int, QVariant>(i, newGroupValue));
- isFirstGroupValue = false;
- }
- }
-
- return groups;
-}
-
-void KStandardItemModel::onItemInserted(int index)
-{
- Q_UNUSED(index)
-}
-
-void KStandardItemModel::onItemChanged(int index, const QSet<QByteArray>& changedRoles)
-{
- Q_UNUSED(index)
- Q_UNUSED(changedRoles)
-}
-
-void KStandardItemModel::onItemRemoved(int index, KStandardItem* removedItem)
-{
- Q_UNUSED(index)
- Q_UNUSED(removedItem)
-}
-
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