***************************************************************************/
#include "treemodel.h"
+#include "global.h"
#include <QDebug>
#include <QCoreApplication>
*****************************************/
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 qHash(this);
-}
-
bool AbstractTreeItem::newChild(AbstractTreeItem *item) {
- // check if a child with that ID is already known
- Q_ASSERT(childById(item->id()) == 0);
-
int newRow = childCount();
emit beginAppendChilds(newRow, newRow);
_childItems.append(item);
emit endAppendChilds();
-
return true;
}
if(items.isEmpty())
return false;
- QList<AbstractTreeItem *>::const_iterator itemIter = items.constBegin();
- AbstractTreeItem *item;
- while(itemIter != items.constEnd()) {
- item = *itemIter;
- if(childById(item->id()) != 0) {
- qWarning() << "AbstractTreeItem::newChilds(): received child that is already attached" << item << item->id();
- return false;
- }
- itemIter++;
- }
-
int nextRow = childCount();
int lastRow = nextRow + items.count() - 1;
emit beginAppendChilds(nextRow, lastRow);
- itemIter = items.constBegin();
- while(itemIter != items.constEnd()) {
- _childItems.append(*itemIter);
- itemIter++;
- }
+ _childItems << items;
emit endAppendChilds();
return true;
}
bool AbstractTreeItem::removeChild(int row) {
- if(childCount() <= row)
+ if(row < 0 || childCount() <= row)
return false;
child(row)->removeAllChilds();
emit beginRemoveChilds(row, row);
AbstractTreeItem *treeitem = _childItems.takeAt(row);
- treeitem->deleteLater();
+ delete treeitem;
emit endRemoveChilds();
- return true;
-}
-
-bool AbstractTreeItem::removeChildById(const quint64 &id) {
- const int numChilds = childCount();
+ checkForDeletion();
- for(int i = 0; i < numChilds; i++) {
- if(_childItems[i]->id() == id)
- return removeChild(i);
- }
-
- return false;
+ return true;
}
void AbstractTreeItem::removeAllChilds() {
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++;
}
while(childIter != _childItems.end()) {
child = *childIter;
childIter = _childItems.erase(childIter);
- child->deleteLater();
+ delete child;
}
emit endRemoveChilds();
+
+ checkForDeletion();
+}
+
+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;
}
AbstractTreeItem *AbstractTreeItem::child(int row) const {
return _childItems[row];
}
-AbstractTreeItem *AbstractTreeItem::childById(const quint64 &id) const {
- const int numChilds = childCount();
- for(int i = 0; i < numChilds; i++) {
- if(_childItems[i]->id() == id)
- return _childItems[i];
- }
- return 0;
-}
-
int AbstractTreeItem::childCount(int column) const {
if(column > 0)
return 0;
}
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.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() {
- qDebug() << "==== Childlist for Item:" << this << id() << "====";
+ 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->id() << child->data(0, Qt::DisplayRole);
+ qDebug() << "Row:" << child->row() << child << child->data(0, Qt::DisplayRole);
childIter++;
}
}
rootItem = new SimpleTreeItem(data, 0);
connectItem(rootItem);
- if(QCoreApplication::instance()->arguments().contains("--debugmodel")) {
+ 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)),
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(id);
-
- if(childItem)
- return createIndex(childItem->row(), 0, childItem);
- else
- return QModelIndex();
-}
-
QModelIndex TreeModel::indexByItem(AbstractTreeItem *item) const {
if(item == 0) {
qWarning() << "TreeModel::indexByItem(AbstractTreeItem *item) received NULL-Pointer";
child = parent.child(i, 0);
childItem = parentItem->child(i);
Q_ASSERT(childItem);
- qDebug() << ">>>" << i << child << childItem->id() << child.data().toString();
+ qDebug() << ">>>" << i << child << child.data().toString();
}
}
child = parent.child(i, 0);
childItem = parentItem->child(i);
Q_ASSERT(childItem);
- qDebug() << "<<<" << i << child << childItem->id() << child.data().toString();
+ qDebug() << "<<<" << i << child << child.data().toString();
}
}
projects / quassel.git / blobdiff