***************************************************************************/
#include "treemodel.h"
+#include "global.h"
#include <QDebug>
+#include <QCoreApplication>
/*****************************************
* Abstract Items of a TreeModel
*****************************************/
AbstractTreeItem::AbstractTreeItem(AbstractTreeItem *parent)
: QObject(parent),
- _flags(Qt::ItemIsSelectable | Qt::ItemIsEnabled)
+ _flags(Qt::ItemIsSelectable | Qt::ItemIsEnabled),
+ _treeItemFlags(0)
{
}
-AbstractTreeItem::~AbstractTreeItem() {
-}
-
-quint64 AbstractTreeItem::id() const {
- return (quint64)this;
-}
-
-int AbstractTreeItem::defaultColumn() const {
- // invalid QModelIndexes aka rootNodes get their Childs stuffed into column -1
- // all others to 0
- if(parent() == 0)
- return -1;
- else
- return 0;
+bool AbstractTreeItem::newChild(AbstractTreeItem *item) {
+ int newRow = childCount();
+ emit beginAppendChilds(newRow, newRow);
+ _childItems.append(item);
+ emit endAppendChilds();
+ return true;
}
-bool AbstractTreeItem::newChild(int column, AbstractTreeItem *item) {
- if(column >= columnCount()) {
- qWarning() << "AbstractTreeItem::newChild() cannot append Child to not existing column!" << this << column;
+bool AbstractTreeItem::newChilds(const QList<AbstractTreeItem *> &items) {
+ if(items.isEmpty())
return false;
- }
- if(!_childItems.contains(column)) {
- _childItems[column] = QList<AbstractTreeItem *>();
- }
+ int nextRow = childCount();
+ int lastRow = nextRow + items.count() - 1;
- // check if a child with that ID is already known
- Q_ASSERT(childById(item->id()) == 0);
-
- int newRow = _childItems[column].count();
- qDebug() << "# new Child:" << this << newRow << item << item->id() << item->data(0, Qt::DisplayRole);
- emit beginAppendChilds(column, newRow, newRow);
- _childItems[column].append(item);
+ emit beginAppendChilds(nextRow, lastRow);
+ _childItems << items;
emit endAppendChilds();
-
- return true;
-}
-bool AbstractTreeItem::newChild(AbstractTreeItem *item) {
- return newChild(defaultColumn(), item);
+ return true;
}
-bool AbstractTreeItem::removeChild(int column, int row) {
- if(!_childItems.contains(column) || row >= childCount(column))
+bool AbstractTreeItem::removeChild(int row) {
+ if(row < 0 || childCount() <= row)
return false;
- AbstractTreeItem *item = _childItems[column][row];
- qDebug() << "# Remove Child:" << this << row << item << item->id() << item->data(0, Qt::DisplayRole);
- emit beginRemoveChilds(column, row, row);
- AbstractTreeItem *treeitem = _childItems[column].takeAt(row);
- treeitem->deleteLater();
+ child(row)->removeAllChilds();
+ emit beginRemoveChilds(row, row);
+ AbstractTreeItem *treeitem = _childItems.takeAt(row);
+ delete treeitem;
emit endRemoveChilds();
+ checkForDeletion();
+
return true;
}
-bool AbstractTreeItem::removeChild(int row) {
- return removeChild(defaultColumn(), row);
-}
+void AbstractTreeItem::removeAllChilds() {
+ const int numChilds = childCount();
+
+ if(numChilds == 0)
+ return;
+
+ AbstractTreeItem *child;
-bool AbstractTreeItem::removeChildById(int column, const quint64 &id) {
- if(!_childItems.contains(column))
- return false;
+ QList<AbstractTreeItem *>::iterator childIter;
- qDebug() << "removeChildyById" << id;
- for(int i = 0; i < _childItems[column].count(); i++) {
- if(_childItems[column][i]->id() == id)
- return removeChild(column, i);
+ childIter = _childItems.begin();
+ while(childIter != _childItems.end()) {
+ child = *childIter;
+ child->setTreeItemFlags(0); // disable self deletion, as this would only fuck up consitency and the child gets deleted anyways
+ child->removeAllChilds();
+ childIter++;
}
- return false;
-}
-bool AbstractTreeItem::removeChildById(const quint64 &id) {
- return removeChildById(defaultColumn(), id);
-}
+ emit beginRemoveChilds(0, numChilds - 1);
+ childIter = _childItems.begin();
+ while(childIter != _childItems.end()) {
+ child = *childIter;
+ childIter = _childItems.erase(childIter);
+ delete child;
+ }
+ emit endRemoveChilds();
-void AbstractTreeItem::removeAllChilds() {
- AbstractTreeItem *child;
+ checkForDeletion();
+}
- QHash<int, QList<AbstractTreeItem *> >::iterator columnIter = _childItems.begin();
- while(columnIter != _childItems.end()) {
- if(columnIter->count() > 0) {
- emit beginRemoveChilds(columnIter.key(), 0, columnIter->count() - 1);
- QList<AbstractTreeItem *>::iterator childIter = columnIter->begin();
- while(childIter != columnIter->end()) {
- child = *childIter;
- // child->removeAllChilds();
- childIter = columnIter->erase(childIter);
- child->deleteLater();
- }
- emit endRemoveChilds();
- }
- columnIter++;
+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;
}
-}
-AbstractTreeItem *AbstractTreeItem::child(int column, int row) const {
- if(!_childItems.contains(column) || _childItems[column].size() <= row)
- return 0;
- else
- return _childItems[column].value(row);
-}
+ int oldRow = row();
+ if(oldRow == -1)
+ return false;
+
+ emit parent()->beginRemoveChilds(oldRow, oldRow);
+ parent()->_childItems.removeAt(oldRow);
+ emit parent()->endRemoveChilds();
-AbstractTreeItem *AbstractTreeItem::child(int row) const {
- return child(defaultColumn(), row);
-}
+ AbstractTreeItem *oldParent = parent();
+ setParent(newParent);
-AbstractTreeItem *AbstractTreeItem::childById(int column, const quint64 &id) const {
- if(!_childItems.contains(column))
- return 0;
+ 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;
- for(int i = 0; i < _childItems[column].count(); i++) {
- if(_childItems[column][i]->id() == id)
- return _childItems[column][i];
- }
- return 0;
-}
+ if(oldParent)
+ oldParent->checkForDeletion();
-AbstractTreeItem *AbstractTreeItem::childById(const quint64 &id) const {
- return childById(defaultColumn(), id);
+ return success;
}
-int AbstractTreeItem::childCount(int column) const {
- if(!_childItems.contains(column))
+AbstractTreeItem *AbstractTreeItem::child(int row) const {
+ if(childCount() <= row)
return 0;
else
- return _childItems[column].count();
-}
-
-int AbstractTreeItem::childCount() const {
- return childCount(defaultColumn());
+ return _childItems[row];
}
-int AbstractTreeItem::column() const {
- if(!parent())
- return -1;
-
- QHash<int, QList<AbstractTreeItem*> >::const_iterator iter = parent()->_childItems.constBegin();
- while(iter != parent()->_childItems.constEnd()) {
- if(iter->contains(const_cast<AbstractTreeItem *>(this)))
- return iter.key();
- iter++;
- }
-
- qWarning() << "AbstractTreeItem::column(): unable to determine the Column of" << this;
- return parent()->defaultColumn();
+int AbstractTreeItem::childCount(int column) const {
+ if(column > 0)
+ return 0;
+ else
+ return _childItems.count();
}
int AbstractTreeItem::row() const {
- if(!parent())
+ if(!parent()) {
+ qWarning() << "AbstractTreeItem::row():" << this << "has no parent AbstractTreeItem as it's parent! parent is" << QObject::parent();
return -1;
- else
- return parent()->_childItems[column()].indexOf(const_cast<AbstractTreeItem *>(this));
-}
-
-AbstractTreeItem *AbstractTreeItem::parent() const {
- return qobject_cast<AbstractTreeItem *>(QObject::parent());
-}
-
-Qt::ItemFlags AbstractTreeItem::flags() const {
- return _flags;
-}
-
-void AbstractTreeItem::setFlags(Qt::ItemFlags flags) {
- _flags = flags;
+ }
+
+ 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_;
}
void AbstractTreeItem::dumpChildList() {
- AbstractTreeItem *child;
-
- qDebug() << "==== Childlist for Item:" << this << id() << "====";
- QHash<int, QList<AbstractTreeItem *> >::iterator columnIter = _childItems.begin();
- while(columnIter != _childItems.end()) {
- if(columnIter->count() > 0) {
- QList<AbstractTreeItem *>::const_iterator childIter = columnIter->constBegin();
- while(childIter != columnIter->constEnd()) {
- child = *childIter;
- qDebug() << "Column:" << columnIter.key() << "Row:" << child->row() << child << child->id() << child->data(0, Qt::DisplayRole);
- childIter++;
- }
+ 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++;
}
- columnIter++;
}
qDebug() << "==== End Of Childlist ====";
}
case Qt::ToolTipRole:
return toolTip(column);
case Qt::DisplayRole:
+ case TreeModel::SortRole: // fallthrough, since SortRole should default to DisplayRole
return property(_propertyOrder[column].toAscii());
default:
return QVariant();
_aboutToRemoveOrInsert(false)
{
rootItem = new SimpleTreeItem(data, 0);
- rootItem->setObjectName("rootItem");
connectItem(rootItem);
- connect(this, SIGNAL(rowsAboutToBeInserted(const QModelIndex &, int, int)),
- this, SLOT(debug_rowsAboutToBeInserted(const QModelIndex &, int, int)));
- connect(this, SIGNAL(rowsAboutToBeRemoved(const QModelIndex &, int, int)),
- this, SLOT(debug_rowsAboutToBeRemoved(const QModelIndex &, int, int)));
- connect(this, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
- this, SLOT(debug_rowsInserted(const QModelIndex &, int, int)));
- connect(this, SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
- this, SLOT(debug_rowsRemoved(const QModelIndex &, int, int)));
+ if(Global::parser.isSet("debugmodel")) {
+ connect(this, SIGNAL(rowsAboutToBeInserted(const QModelIndex &, int, int)),
+ this, SLOT(debug_rowsAboutToBeInserted(const QModelIndex &, int, int)));
+ connect(this, SIGNAL(rowsAboutToBeRemoved(const QModelIndex &, int, int)),
+ this, SLOT(debug_rowsAboutToBeRemoved(const QModelIndex &, int, int)));
+ connect(this, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
+ this, SLOT(debug_rowsInserted(const QModelIndex &, int, int)));
+ connect(this, SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
+ this, SLOT(debug_rowsRemoved(const QModelIndex &, int, int)));
+ connect(this, SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),
+ this, SLOT(debug_dataChanged(const QModelIndex &, const QModelIndex &)));
+ }
}
TreeModel::~TreeModel() {
if(!parent.isValid())
parentItem = rootItem;
else
- parentItem = static_cast<AbstractTreeItem*>(parent.internalPointer());
+ parentItem = static_cast<AbstractTreeItem *>(parent.internalPointer());
- AbstractTreeItem *childItem = parentItem->child(parent.column(), row);
+ AbstractTreeItem *childItem = parentItem->child(row);
if(childItem)
return createIndex(row, column, childItem);
return QModelIndex();
}
-QModelIndex TreeModel::indexById(quint64 id, const QModelIndex &parent) const {
- AbstractTreeItem *parentItem;
-
- if(!parent.isValid())
- parentItem = rootItem;
- else
- parentItem = static_cast<AbstractTreeItem *>(parent.internalPointer());
-
- AbstractTreeItem *childItem = parentItem->childById(parent.column(), id);
-
- if(childItem)
- return createIndex(childItem->row(), 0, childItem);
- else
- return QModelIndex();
-}
-
-QModelIndex TreeModel::indexByItem(AbstractTreeItem *item, int column) const {
+QModelIndex TreeModel::indexByItem(AbstractTreeItem *item) const {
if(item == 0) {
qWarning() << "TreeModel::indexByItem(AbstractTreeItem *item) received NULL-Pointer";
return QModelIndex();
if(item == rootItem)
return QModelIndex();
else
- return createIndex(item->row(), column, item);
-
+ return createIndex(item->row(), 0, item);
}
QModelIndex TreeModel::parent(const QModelIndex &index) const {
- if(!index.isValid())
+ if(!index.isValid()) {
+ qWarning() << "TreeModel::parent(): has been asked for the rootItems Parent!";
return QModelIndex();
+ }
AbstractTreeItem *childItem = static_cast<AbstractTreeItem *>(index.internalPointer());
- AbstractTreeItem *parentItem = static_cast<AbstractTreeItem *>(childItem->parent());
-
+ AbstractTreeItem *parentItem = childItem->parent();
+
+ Q_ASSERT(parentItem);
if(parentItem == rootItem)
return QModelIndex();
- return createIndex(parentItem->row(), childItem->column(), parentItem);
+ return createIndex(parentItem->row(), 0, parentItem);
}
int TreeModel::rowCount(const QModelIndex &parent) const {
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
-
-// if(parent.isValid()) {
-// AbstractTreeItem *child;
-// if(child = static_cast<AbstractTreeItem *>(parent.internalPointer())->child(parent.column(), parent.row()))
-// return child->columnCount();
-// else
-// return static_cast<AbstractTreeItem*>(parent.internalPointer())->columnCount();
-// } else {
-// return rootItem->columnCount();
-// }
- return rootItem->columnCount();
+// 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 {
}
Qt::ItemFlags TreeModel::flags(const QModelIndex &index) const {
- AbstractTreeItem *item;
- if(!index.isValid())
- item = rootItem;
- else
- item = static_cast<AbstractTreeItem *>(index.internalPointer());
- return item->flags();
+ if(!index.isValid()) {
+ return rootItem->flags() & Qt::ItemIsDropEnabled;
+ } else {
+ AbstractTreeItem *item = static_cast<AbstractTreeItem *>(index.internalPointer());
+ return item->flags();
+ }
}
QVariant TreeModel::headerData(int section, Qt::Orientation orientation, int role) const {
if(column == -1) {
leftIndex = createIndex(item->row(), 0, item);
- rightIndex = createIndex(item->row(), item->columnCount()-1, item);
+ rightIndex = createIndex(item->row(), item->columnCount() - 1, item);
} else {
leftIndex = createIndex(item->row(), column, item);
rightIndex = leftIndex;
connect(item, SIGNAL(dataChanged(int)),
this, SLOT(itemDataChanged(int)));
- connect(item, SIGNAL(beginAppendChilds(int, int, int)),
- this, SLOT(beginAppendChilds(int, int, int)));
+ connect(item, SIGNAL(beginAppendChilds(int, int)),
+ this, SLOT(beginAppendChilds(int, int)));
connect(item, SIGNAL(endAppendChilds()),
this, SLOT(endAppendChilds()));
- connect(item, SIGNAL(beginRemoveChilds(int, int, int)),
- this, SLOT(beginRemoveChilds(int, int, int)));
+ connect(item, SIGNAL(beginRemoveChilds(int, int)),
+ this, SLOT(beginRemoveChilds(int, int)));
connect(item, SIGNAL(endRemoveChilds()),
this, SLOT(endRemoveChilds()));
}
-void TreeModel::beginAppendChilds(int column, int firstRow, int lastRow) {
+void TreeModel::beginAppendChilds(int firstRow, int lastRow) {
AbstractTreeItem *parentItem = qobject_cast<AbstractTreeItem *>(sender());
if(!parentItem) {
qWarning() << "TreeModel::beginAppendChilds(): cannot append Childs to unknown parent";
return;
}
- QModelIndex parent = indexByItem(parentItem, column);
+
+ QModelIndex parent = indexByItem(parentItem);
Q_ASSERT(!_aboutToRemoveOrInsert);
_aboutToRemoveOrInsert = true;
}
Q_ASSERT(_aboutToRemoveOrInsert);
ChildStatus cs = _childStatus;
- QModelIndex parent = indexByItem(parentItem, cs.parent.column());
+ QModelIndex parent = indexByItem(parentItem);
Q_ASSERT(cs.parent == parent);
Q_ASSERT(rowCount(parent) == cs.childCount + cs.end - cs.start + 1);
_aboutToRemoveOrInsert = false;
for(int i = cs.start; i <= cs.end; i++) {
- connectItem(parentItem->child(parent.column(), i));
+ connectItem(parentItem->child(i));
}
endInsertRows();
}
-void TreeModel::beginRemoveChilds(int column, int firstRow, int lastRow) {
+void TreeModel::beginRemoveChilds(int firstRow, int lastRow) {
AbstractTreeItem *parentItem = qobject_cast<AbstractTreeItem *>(sender());
if(!parentItem) {
qWarning() << "TreeModel::beginRemoveChilds(): cannot append Childs to unknown parent";
return;
}
- QModelIndex parent = indexByItem(parentItem, column);
+
+ for(int i = firstRow; i <= lastRow; i++) {
+ disconnect(parentItem->child(i), 0, this, 0);
+ }
+
+ // consitency checks
+ QModelIndex parent = indexByItem(parentItem);
Q_ASSERT(firstRow <= lastRow);
- Q_ASSERT(parentItem->childCount(column) > 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() {
AbstractTreeItem *parentItem = qobject_cast<AbstractTreeItem *>(sender());
if(!parentItem) {
- qWarning() << "TreeModel::endRemoveChilds(): cannot append Childs to unknown parent";
+ qWarning() << "TreeModel::endRemoveChilds(): cannot remove Childs from unknown parent";
return;
}
+
+ // concistency checks
Q_ASSERT(_aboutToRemoveOrInsert);
ChildStatus cs = _childStatus;
- QModelIndex parent = indexByItem(parentItem, cs.parent.column());
+ QModelIndex parent = indexByItem(parentItem);
Q_ASSERT(cs.parent == parent);
Q_ASSERT(rowCount(parent) == cs.childCount - cs.end + cs.start - 1);
-
_aboutToRemoveOrInsert = false;
+
endRemoveRows();
}
}
void TreeModel::debug_rowsAboutToBeInserted(const QModelIndex &parent, int start, int end) {
- // qDebug() << "debug_rowsAboutToBeInserted" << parent << parent.internalPointer() << parent.data().toString() << rowCount(parent) << start << 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) {
parentItem = static_cast<AbstractTreeItem *>(parent.internalPointer());
if(!parentItem)
parentItem = rootItem;
- qDebug() << "#" << parent << parentItem << parent.data().toString() << rowCount(parent) << start << end;
-
- if(!_childLists.contains(parentItem))
- _childLists[parentItem] = QList<AbstractTreeItem *>();
+ qDebug() << "debug_rowsAboutToBeRemoved" << parent << parentItem << parent.data().toString() << rowCount(parent) << start << end;
- QList<AbstractTreeItem *> &childList = _childLists[parentItem];
QModelIndex child;
AbstractTreeItem *childItem;
for(int i = end; i >= start; i--) {
- if(childList.count() <= i) {
- qDebug() << "#! not removing existing item! lastItem:" << childList.count() - 1 << "Delpos:" << i;
- Q_ASSERT(false);
- } else {
- child = parent.child(i, 0);
- childItem = parentItem->child(i);
- Q_ASSERT(childItem);
- childList.removeAt(i);
- qDebug() << ">>>" << i << child << childItem->id() << child.data().toString();
- }
+ child = parent.child(i, 0);
+ childItem = parentItem->child(i);
+ Q_ASSERT(childItem);
+ qDebug() << ">>>" << i << child << child.data().toString();
}
}
parentItem = static_cast<AbstractTreeItem *>(parent.internalPointer());
if(!parentItem)
parentItem = rootItem;
- qDebug() << "#" << parent << parentItem << parent.data().toString() << rowCount(parent) << start << end;
-
- if(!_childLists.contains(parentItem))
- _childLists[parentItem] = QList<AbstractTreeItem *>();
+ qDebug() << "debug_rowsInserted:" << parent << parentItem << parent.data().toString() << rowCount(parent) << start << end;
- QList<AbstractTreeItem *> &childList = _childLists[parentItem];
QModelIndex child;
AbstractTreeItem *childItem;
for(int i = start; i <= end; i++) {
- if(childList.count() != i) {
- qDebug() << "#! not appending at the End! End:" << childList.count() << "Insertpos:" << i;
- Q_ASSERT(false);
- } else {
- child = parent.child(i, 0);
- childItem = parentItem->child(i);
- Q_ASSERT(childItem);
- childList.append(childItem);
- qDebug() << "<<<" << i << child << childItem->id() << child.data().toString();
- }
+ child = parent.child(i, 0);
+ childItem = parentItem->child(i);
+ Q_ASSERT(childItem);
+ 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;
+ 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;
+ }
}
projects / quassel.git / blobdiff