-void TreeModel::appendChild(AbstractTreeItem *parent, AbstractTreeItem *child) {
- if(parent == 0 or child == 0) {
- qWarning() << "TreeModel::appendChild(parent, child) parent and child have to be valid pointers!" << parent << child;
+void TreeModel::connectItem(AbstractTreeItem *item) {
+ connect(item, SIGNAL(dataChanged(int)),
+ this, SLOT(itemDataChanged(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)),
+ this, SLOT(beginRemoveChilds(int, int)));
+ connect(item, SIGNAL(endRemoveChilds()),
+ this, SLOT(endRemoveChilds()));
+}
+
+void TreeModel::beginAppendChilds(int firstRow, int lastRow) {
+ AbstractTreeItem *parentItem = qobject_cast<AbstractTreeItem *>(sender());
+ if(!parentItem) {
+ qWarning() << "TreeModel::beginAppendChilds(): cannot append Childs to unknown parent";