/***************************************************************************
- * Copyright (C) 2005-07 by The Quassel Team *
+ * Copyright (C) 2005-2019 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
+ * (at your option) version 3. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
-#include "global.h"
#include "treemodel.h"
+#include <utility>
+
+#include <QCoreApplication>
+#include <QDebug>
+
+#include "quassel.h"
+
+class RemoveChildLaterEvent : public QEvent
+{
+public:
+ RemoveChildLaterEvent(AbstractTreeItem* child)
+ : QEvent(QEvent::User)
+ , _child(child){};
+ inline AbstractTreeItem* child() { return _child; }
+
+private:
+ AbstractTreeItem* _child;
+};
+
/*****************************************
- * Buffer Items stored in the Tree Model
+ * Abstract Items of a TreeModel
*****************************************/
-TreeItem::TreeItem(const QList<QVariant> &data, TreeItem *parent) : QObject(parent) {
- itemData = data;
- parentItem = parent;
+AbstractTreeItem::AbstractTreeItem(AbstractTreeItem* parent)
+ : QObject(parent)
+ , _flags(Qt::ItemIsSelectable | Qt::ItemIsEnabled)
+ , _treeItemFlags(nullptr)
+{}
+
+bool AbstractTreeItem::newChild(AbstractTreeItem* item)
+{
+ int newRow = childCount();
+ emit beginAppendChilds(newRow, newRow);
+ _childItems.append(item);
+ emit endAppendChilds();
+ return true;
}
-TreeItem::TreeItem(TreeItem *parent) {
- itemData = QList<QVariant>();
- parentItem = parent;
+bool AbstractTreeItem::newChilds(const QList<AbstractTreeItem*>& items)
+{
+ if (items.isEmpty())
+ return false;
+
+ int nextRow = childCount();
+ int lastRow = nextRow + items.count() - 1;
+
+ emit beginAppendChilds(nextRow, lastRow);
+ _childItems << items;
+ emit endAppendChilds();
+
+ return true;
}
-TreeItem::~TreeItem() {
- qDeleteAll(childItems);
+bool AbstractTreeItem::removeChild(int row)
+{
+ if (row < 0 || childCount() <= row)
+ return false;
+
+ child(row)->removeAllChilds();
+ emit beginRemoveChilds(row, row);
+ AbstractTreeItem* treeitem = _childItems.takeAt(row);
+ delete treeitem;
+ emit endRemoveChilds();
+
+ checkForDeletion();
+
+ return true;
}
-uint TreeItem::id() const {
- return (uint)this;
+void AbstractTreeItem::removeAllChilds()
+{
+ const int numChilds = childCount();
+
+ if (numChilds == 0)
+ return;
+
+ AbstractTreeItem* child;
+
+ QList<AbstractTreeItem*>::iterator childIter;
+
+ childIter = _childItems.begin();
+ while (childIter != _childItems.end()) {
+ child = *childIter;
+ child->setTreeItemFlags(nullptr); // disable self deletion, as this would only fuck up consitency and the child gets deleted anyways
+ child->removeAllChilds();
+ ++childIter;
+ }
+
+ emit beginRemoveChilds(0, numChilds - 1);
+ childIter = _childItems.begin();
+ while (childIter != _childItems.end()) {
+ child = *childIter;
+ childIter = _childItems.erase(childIter);
+ delete child;
+ }
+ emit endRemoveChilds();
+
+ checkForDeletion();
}
-void TreeItem::appendChild(TreeItem *item) {
- childItems.append(item);
- childHash[item->id()] = item;
+void AbstractTreeItem::removeChildLater(AbstractTreeItem* child)
+{
+ Q_ASSERT(child);
+ QCoreApplication::postEvent(this, new RemoveChildLaterEvent(child));
}
-void TreeItem::removeChild(int row) {
- if(row >= childItems.size())
- return;
- TreeItem *treeitem = childItems.value(row);
- childItems.removeAt(row);
- childHash.remove(childHash.key(treeitem));
+void AbstractTreeItem::customEvent(QEvent* event)
+{
+ if (event->type() != QEvent::User)
+ return;
+
+ event->accept();
+
+ auto* removeEvent = static_cast<RemoveChildLaterEvent*>(event);
+ int childRow = _childItems.indexOf(removeEvent->child());
+ if (childRow == -1)
+ return;
+
+ // since we are called asynchronously we have to recheck if the item in question still has no childs
+ if (removeEvent->child()->childCount())
+ return;
+
+ removeChild(childRow);
}
-TreeItem *TreeItem::child(int row) const {
- if(row < childItems.size())
- return childItems.value(row);
- else
- return 0;
+bool AbstractTreeItem::reParent(AbstractTreeItem* newParent)
+{
+ // currently we support only re parenting if the child that's about to be
+ // adopted does not have any children itself.
+ if (childCount() != 0) {
+ qDebug() << "AbstractTreeItem::reParent(): cannot reparent" << this << "with children.";
+ return false;
+ }
+
+ int oldRow = row();
+ if (oldRow == -1)
+ return false;
+
+ emit parent()->beginRemoveChilds(oldRow, oldRow);
+ parent()->_childItems.removeAt(oldRow);
+ emit parent()->endRemoveChilds();
+
+ AbstractTreeItem* oldParent = parent();
+ setParent(newParent);
+
+ bool success = newParent->newChild(this);
+ if (!success)
+ qWarning() << "AbstractTreeItem::reParent(): failed to attach to new parent after removing from old parent! this:" << this
+ << "new parent:" << newParent;
+
+ if (oldParent)
+ oldParent->checkForDeletion();
+
+ return success;
}
-TreeItem *TreeItem::childById(const uint &id) const {
- if(childHash.contains(id))
- return childHash.value(id);
- else
- return 0;
+AbstractTreeItem* AbstractTreeItem::child(int row) const
+{
+ if (childCount() <= row)
+ return nullptr;
+ else
+ return _childItems[row];
+}
+
+int AbstractTreeItem::childCount(int column) const
+{
+ if (column > 0)
+ return 0;
+ else
+ return _childItems.count();
+}
+
+int AbstractTreeItem::row() const
+{
+ if (!parent()) {
+ qWarning() << "AbstractTreeItem::row():" << this << "has no parent AbstractTreeItem as it's parent! parent is" << QObject::parent();
+ return -1;
+ }
+
+ int row_ = parent()->_childItems.indexOf(const_cast<AbstractTreeItem*>(this));
+ if (row_ == -1)
+ qWarning() << "AbstractTreeItem::row():" << this << "is not in the child list of" << QObject::parent();
+ return row_;
}
-int TreeItem::childCount() const {
- return childItems.count();
+void AbstractTreeItem::dumpChildList()
+{
+ qDebug() << "==== Childlist for Item:" << this << "====";
+ if (childCount() > 0) {
+ AbstractTreeItem* child;
+ QList<AbstractTreeItem*>::const_iterator childIter = _childItems.constBegin();
+ while (childIter != _childItems.constEnd()) {
+ child = *childIter;
+ qDebug() << "Row:" << child->row() << child << child->data(0, Qt::DisplayRole);
+ ++childIter;
+ }
+ }
+ qDebug() << "==== End Of Childlist ====";
}
-int TreeItem::row() const {
- if(parentItem)
- return parentItem->childItems.indexOf(const_cast<TreeItem*>(this));
- else
- return 0;
+/*****************************************
+ * SimpleTreeItem
+ *****************************************/
+SimpleTreeItem::SimpleTreeItem(QList<QVariant> data, AbstractTreeItem* parent)
+ : AbstractTreeItem(parent)
+ , _itemData(std::move(data))
+{}
+
+QVariant SimpleTreeItem::data(int column, int role) const
+{
+ if (column >= columnCount() || role != Qt::DisplayRole)
+ return QVariant();
+ else
+ return _itemData[column];
+}
+
+bool SimpleTreeItem::setData(int column, const QVariant& value, int role)
+{
+ if (column > columnCount() || role != Qt::DisplayRole)
+ return false;
+
+ if (column == columnCount())
+ _itemData.append(value);
+ else
+ _itemData[column] = value;
+
+ emit dataChanged(column);
+ return true;
}
-TreeItem *TreeItem::parent() {
- return parentItem;
+int SimpleTreeItem::columnCount() const
+{
+ return _itemData.count();
}
-int TreeItem::columnCount() const {
- return itemData.count();
+/*****************************************
+ * PropertyMapItem
+ *****************************************/
+PropertyMapItem::PropertyMapItem(AbstractTreeItem* parent)
+ : AbstractTreeItem(parent)
+{}
+
+QVariant PropertyMapItem::data(int column, int role) const
+{
+ if (column >= columnCount())
+ return QVariant();
+
+ switch (role) {
+ case Qt::ToolTipRole:
+ return toolTip(column);
+ case Qt::DisplayRole:
+ case TreeModel::SortRole: // fallthrough, since SortRole should default to DisplayRole
+ return property(propertyOrder()[column].toLatin1());
+ default:
+ return QVariant();
+ }
}
-QVariant TreeItem::data(int column, int role) const {
- if(role == Qt::DisplayRole && column < itemData.count())
- return itemData[column];
- else
- return QVariant();
+bool PropertyMapItem::setData(int column, const QVariant& value, int role)
+{
+ if (column >= columnCount() || role != Qt::DisplayRole)
+ return false;
+
+ setProperty(propertyOrder()[column].toLatin1(), value);
+ emit dataChanged(column);
+ return true;
}
-Qt::ItemFlags TreeItem::flags() const {
- // some sane defaults
- return Qt::ItemIsSelectable | Qt::ItemIsEnabled;
+int PropertyMapItem::columnCount() const
+{
+ return propertyOrder().count();
}
/*****************************************
* TreeModel
*****************************************/
-TreeModel::TreeModel(const QList<QVariant> &data, QObject *parent)
- : QAbstractItemModel(parent)
-{
- rootItem = new TreeItem(data, 0);
-}
-
-TreeModel::~TreeModel() {
- delete rootItem;
-}
-
-QModelIndex TreeModel::index(int row, int column, const QModelIndex &parent) const {
- if(!hasIndex(row, column, parent))
- return QModelIndex();
-
- TreeItem *parentItem;
-
- if(!parent.isValid())
- parentItem = rootItem;
- else
- parentItem = static_cast<TreeItem*>(parent.internalPointer());
-
- TreeItem *childItem = parentItem->child(row);
- if(childItem)
- return createIndex(row, column, childItem);
- else
- return QModelIndex();
-}
-
-QModelIndex TreeModel::indexById(uint id, const QModelIndex &parent) const {
- TreeItem *parentItem;
-
- if(!parent.isValid())
- parentItem = rootItem;
- else
- parentItem = static_cast<TreeItem *>(parent.internalPointer());
-
- TreeItem *childItem = parentItem->childById(id);
- if(childItem)
- return createIndex(childItem->row(), 0, childItem);
- else
- return QModelIndex();
-}
-
-QModelIndex TreeModel::parent(const QModelIndex &index) const {
- if(!index.isValid())
- return QModelIndex();
-
- TreeItem *childItem = static_cast<TreeItem*>(index.internalPointer());
- TreeItem *parentItem = childItem->parent();
-
- if(parentItem == rootItem)
- return QModelIndex();
-
- return createIndex(parentItem->row(), 0, parentItem);
-}
-
-int TreeModel::rowCount(const QModelIndex &parent) const {
- TreeItem *parentItem;
- if(parent.column() > 0)
- return 0;
-
- if(!parent.isValid())
- parentItem = rootItem;
- else
- parentItem = static_cast<TreeItem*>(parent.internalPointer());
-
- return parentItem->childCount();
-}
-
-int TreeModel::columnCount(const QModelIndex &parent) const {
- if(parent.isValid())
- return static_cast<TreeItem*>(parent.internalPointer())->columnCount();
- else
+TreeModel::TreeModel(const QList<QVariant>& data, QObject* parent)
+ : QAbstractItemModel(parent)
+ , _childStatus(QModelIndex(), 0, 0, 0)
+ , _aboutToRemoveOrInsert(false)
+{
+ rootItem = new SimpleTreeItem(data, nullptr);
+ connectItem(rootItem);
+
+ if (Quassel::isOptionSet("debugmodel")) {
+ connect(this, &QAbstractItemModel::rowsAboutToBeInserted, this, &TreeModel::debug_rowsAboutToBeInserted);
+ connect(this, &QAbstractItemModel::rowsAboutToBeRemoved, this, &TreeModel::debug_rowsAboutToBeRemoved);
+ connect(this, &QAbstractItemModel::rowsInserted, this, &TreeModel::debug_rowsInserted);
+ connect(this, &QAbstractItemModel::rowsRemoved, this, &TreeModel::debug_rowsRemoved);
+ connect(this, &QAbstractItemModel::dataChanged, this, &TreeModel::debug_dataChanged);
+ }
+}
+
+TreeModel::~TreeModel()
+{
+ delete rootItem;
+}
+
+AbstractTreeItem* TreeModel::root() const
+{
+ return rootItem;
+}
+
+QModelIndex TreeModel::index(int row, int column, const QModelIndex& parent) const
+{
+ if (row < 0 || row >= rowCount(parent) || column < 0 || column >= columnCount(parent))
+ return {};
+
+ AbstractTreeItem* parentItem;
+
+ if (!parent.isValid())
+ parentItem = rootItem;
+ else
+ parentItem = static_cast<AbstractTreeItem*>(parent.internalPointer());
+
+ AbstractTreeItem* childItem = parentItem->child(row);
+
+ if (childItem)
+ return createIndex(row, column, childItem);
+ else
+ return {};
+}
+
+QModelIndex TreeModel::indexByItem(AbstractTreeItem* item) const
+{
+ if (item == nullptr) {
+ qWarning() << "TreeModel::indexByItem(AbstractTreeItem *item) received NULL-Pointer";
+ return {};
+ }
+
+ if (item == rootItem)
+ return {};
+ else
+ return createIndex(item->row(), 0, item);
+}
+
+QModelIndex TreeModel::parent(const QModelIndex& index) const
+{
+ if (!index.isValid()) {
+ // ModelTest does this
+ // qWarning() << "TreeModel::parent(): has been asked for the rootItems Parent!";
+ return {};
+ }
+
+ auto* childItem = static_cast<AbstractTreeItem*>(index.internalPointer());
+ AbstractTreeItem* parentItem = childItem->parent();
+
+ Q_ASSERT(parentItem);
+ if (parentItem == rootItem)
+ return {};
+
+ return createIndex(parentItem->row(), 0, parentItem);
+}
+
+int TreeModel::rowCount(const QModelIndex& parent) const
+{
+ AbstractTreeItem* parentItem;
+ if (!parent.isValid())
+ parentItem = rootItem;
+ else
+ parentItem = static_cast<AbstractTreeItem*>(parent.internalPointer());
+
+ return parentItem->childCount(parent.column());
+}
+
+int TreeModel::columnCount(const QModelIndex& parent) const
+{
+ Q_UNUSED(parent)
return rootItem->columnCount();
+ // since there the Qt Views don't draw more columns than the header has columns
+ // we can be lazy and simply return the count of header columns
+ // actually this gives us more freedom cause we don't have to ensure that a rows parent
+ // has equal or more columns than that row
+
+ // AbstractTreeItem *parentItem;
+ // if(!parent.isValid())
+ // parentItem = rootItem;
+ // else
+ // parentItem = static_cast<AbstractTreeItem*>(parent.internalPointer());
+ // return parentItem->columnCount();
}
-QVariant TreeModel::data(const QModelIndex &index, int role) const {
- if(!index.isValid())
- return QVariant();
+QVariant TreeModel::data(const QModelIndex& index, int role) const
+{
+ if (!index.isValid())
+ return QVariant();
- TreeItem *item = static_cast<TreeItem*>(index.internalPointer());
- return item->data(index.column(), role);
+ auto* item = static_cast<AbstractTreeItem*>(index.internalPointer());
+ return item->data(index.column(), role);
}
-Qt::ItemFlags TreeModel::flags(const QModelIndex &index) const {
- TreeItem *item;
- if(!index.isValid())
- item = rootItem;
- else
- item = static_cast<TreeItem *>(index.internalPointer());
- return item->flags();
+bool TreeModel::setData(const QModelIndex& index, const QVariant& value, int role)
+{
+ if (!index.isValid())
+ return false;
+
+ auto* item = static_cast<AbstractTreeItem*>(index.internalPointer());
+ return item->setData(index.column(), value, role);
}
-QVariant TreeModel::headerData(int section, Qt::Orientation orientation, int role) const {
- if (orientation == Qt::Horizontal && role == Qt::DisplayRole)
- return rootItem->data(section, role);
- else
- return QVariant();
+Qt::ItemFlags TreeModel::flags(const QModelIndex& index) const
+{
+ if (!index.isValid()) {
+ return rootItem->flags() & Qt::ItemIsDropEnabled;
+ }
+ else {
+ auto* item = static_cast<AbstractTreeItem*>(index.internalPointer());
+ return item->flags();
+ }
}
-bool TreeModel::removeRow(int row, const QModelIndex &parent) {
- if(row > rowCount(parent))
- return false;
-
- TreeItem *item;
- if(!parent.isValid())
- item = rootItem;
- else
- item = static_cast<TreeItem*>(parent.internalPointer());
-
- beginRemoveRows(parent, row, row);
- item->removeChild(row);
- endRemoveRows();
- return true;
+QVariant TreeModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+ if (orientation == Qt::Horizontal && role == Qt::DisplayRole)
+ return rootItem->data(section, role);
+ else
+ return QVariant();
}
-bool TreeModel::removeRows(int row, int count, const QModelIndex &parent) {
- // check if there is work to be done
- if(count == 0)
- return true;
+void TreeModel::itemDataChanged(int column)
+{
+ auto* item = qobject_cast<AbstractTreeItem*>(sender());
+ QModelIndex leftIndex, rightIndex;
+
+ if (item == rootItem)
+ return;
+
+ if (column == -1) {
+ leftIndex = createIndex(item->row(), 0, item);
+ rightIndex = createIndex(item->row(), item->columnCount() - 1, item);
+ }
+ else {
+ leftIndex = createIndex(item->row(), column, item);
+ rightIndex = leftIndex;
+ }
+
+ emit dataChanged(leftIndex, rightIndex);
+}
- // out of range check
- if(row + count - 1 > rowCount(parent) || row < 0 || count < 0)
- return false;
-
- TreeItem *item;
- if(!parent.isValid())
- item = rootItem;
- else
- item = static_cast<TreeItem*>(parent.internalPointer());
-
-
- beginRemoveRows(parent, row, row + count - 1);
-
- for(int i = row + count - 1; i >= 0; i--) {
- item->removeChild(i);
- }
- endRemoveRows();
- return true;
-}
-
-void TreeModel::clear() {
- removeRows(0, rowCount());
+void TreeModel::connectItem(AbstractTreeItem* item)
+{
+ connect(item, &AbstractTreeItem::dataChanged, this, &TreeModel::itemDataChanged);
+
+ connect(item, &AbstractTreeItem::beginAppendChilds, this, &TreeModel::beginAppendChilds);
+ connect(item, &AbstractTreeItem::endAppendChilds, this, &TreeModel::endAppendChilds);
+
+ connect(item, &AbstractTreeItem::beginRemoveChilds, this, &TreeModel::beginRemoveChilds);
+ connect(item, &AbstractTreeItem::endRemoveChilds, this, &TreeModel::endRemoveChilds);
+}
+
+void TreeModel::beginAppendChilds(int firstRow, int lastRow)
+{
+ auto* parentItem = qobject_cast<AbstractTreeItem*>(sender());
+ if (!parentItem) {
+ qWarning() << "TreeModel::beginAppendChilds(): cannot append Children to unknown parent";
+ return;
+ }
+
+ QModelIndex parent = indexByItem(parentItem);
+ Q_ASSERT(!_aboutToRemoveOrInsert);
+
+ _aboutToRemoveOrInsert = true;
+ _childStatus = ChildStatus(parent, rowCount(parent), firstRow, lastRow);
+ beginInsertRows(parent, firstRow, lastRow);
+}
+
+void TreeModel::endAppendChilds()
+{
+ auto* parentItem = qobject_cast<AbstractTreeItem*>(sender());
+ if (!parentItem) {
+ qWarning() << "TreeModel::endAppendChilds(): cannot append Children to unknown parent";
+ return;
+ }
+ Q_ASSERT(_aboutToRemoveOrInsert);
+ ChildStatus cs = _childStatus;
+#ifndef QT_NO_DEBUG
+ QModelIndex parent = indexByItem(parentItem);
+ Q_ASSERT(cs.parent == parent);
+ Q_ASSERT(rowCount(parent) == cs.childCount + cs.end - cs.start + 1);
+#endif
+ _aboutToRemoveOrInsert = false;
+ for (int i = cs.start; i <= cs.end; i++) {
+ connectItem(parentItem->child(i));
+ }
+ endInsertRows();
+}
+
+void TreeModel::beginRemoveChilds(int firstRow, int lastRow)
+{
+ auto* parentItem = qobject_cast<AbstractTreeItem*>(sender());
+ if (!parentItem) {
+ qWarning() << "TreeModel::beginRemoveChilds(): cannot append Children to unknown parent";
+ return;
+ }
+
+ for (int i = firstRow; i <= lastRow; i++) {
+ disconnect(parentItem->child(i), nullptr, this, nullptr);
+ }
+
+ // consitency checks
+ QModelIndex parent = indexByItem(parentItem);
+ Q_ASSERT(firstRow <= lastRow);
+ Q_ASSERT(parentItem->childCount() > lastRow);
+ Q_ASSERT(!_aboutToRemoveOrInsert);
+ _aboutToRemoveOrInsert = true;
+ _childStatus = ChildStatus(parent, rowCount(parent), firstRow, lastRow);
+
+ beginRemoveRows(parent, firstRow, lastRow);
+}
+
+void TreeModel::endRemoveChilds()
+{
+ auto* parentItem = qobject_cast<AbstractTreeItem*>(sender());
+ if (!parentItem) {
+ qWarning() << "TreeModel::endRemoveChilds(): cannot remove Children from unknown parent";
+ return;
+ }
+
+ // concistency checks
+ Q_ASSERT(_aboutToRemoveOrInsert);
+#ifndef QT_NO_DEBUG
+ ChildStatus cs = _childStatus;
+ QModelIndex parent = indexByItem(parentItem);
+ Q_ASSERT(cs.parent == parent);
+ Q_ASSERT(rowCount(parent) == cs.childCount - cs.end + cs.start - 1);
+#endif
+ _aboutToRemoveOrInsert = false;
+
+ endRemoveRows();
+}
+
+void TreeModel::clear()
+{
+ rootItem->removeAllChilds();
+}
+
+void TreeModel::debug_rowsAboutToBeInserted(const QModelIndex& parent, int start, int end)
+{
+ qDebug() << "debug_rowsAboutToBeInserted" << parent << parent.internalPointer() << parent.data().toString() << rowCount(parent) << start
+ << end;
+}
+
+void TreeModel::debug_rowsAboutToBeRemoved(const QModelIndex& parent, int start, int end)
+{
+ AbstractTreeItem* parentItem;
+ parentItem = static_cast<AbstractTreeItem*>(parent.internalPointer());
+ if (!parentItem)
+ parentItem = rootItem;
+ qDebug() << "debug_rowsAboutToBeRemoved" << parent << parentItem << parent.data().toString() << rowCount(parent) << start << end;
+
+ QModelIndex child;
+ for (int i = end; i >= start; i--) {
+ child = parent.model()->index(i, 0, parent);
+ Q_ASSERT(parentItem->child(i));
+ qDebug() << ">>>" << i << child << child.data().toString();
+ }
+}
+
+void TreeModel::debug_rowsInserted(const QModelIndex& parent, int start, int end)
+{
+ AbstractTreeItem* parentItem;
+ parentItem = static_cast<AbstractTreeItem*>(parent.internalPointer());
+ if (!parentItem)
+ parentItem = rootItem;
+ qDebug() << "debug_rowsInserted:" << parent << parentItem << parent.data().toString() << rowCount(parent) << start << end;
+
+ QModelIndex child;
+ for (int i = start; i <= end; i++) {
+ child = parent.model()->index(i, 0, parent);
+ Q_ASSERT(parentItem->child(i));
+ qDebug() << "<<<" << i << child << child.data().toString();
+ }
+}
+
+void TreeModel::debug_rowsRemoved(const QModelIndex& parent, int start, int end)
+{
+ qDebug() << "debug_rowsRemoved" << parent << parent.internalPointer() << parent.data().toString() << rowCount(parent) << start << end;
+}
+
+void TreeModel::debug_dataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight)
+{
+ qDebug() << "debug_dataChanged" << topLeft << bottomRight;
+ QStringList displayData;
+ for (int row = topLeft.row(); row <= bottomRight.row(); row++) {
+ displayData = QStringList();
+ for (int column = topLeft.column(); column <= bottomRight.column(); column++) {
+ displayData << data(topLeft.sibling(row, column), Qt::DisplayRole).toString();
+ }
+ qDebug() << " row:" << row << displayData;
+ }
}