void NavigatorTreeModel::propagateInvisible(const ModelNode &node, const bool &invisible)
{
QList <ModelNode> children = node.allDirectSubModelNodes();
foreach (ModelNode child, children) {
child.setAuxiliaryData("childOfInvisible",invisible);
if (!child.auxiliaryData("invisible").toBool())
propagateInvisible(child,invisible);
}
void NavigatorTreeModel::handleChangedItem(QStandardItem *item)
{
if (m_blockItemChangedSignal)
return;
uint nodeHash = item->data(Qt::UserRole).toUInt();
Q_ASSERT(nodeHash && containsNodeHash(nodeHash));
ModelNode node = nodeForHash(nodeHash);
ItemRow itemRow = itemRowForNode(node);
if (item == itemRow.idItem) {
try {
node.setId(item->text());
} catch (InvalidIdException &e) {
QMessageBox::warning(0, tr("Invalid Id"), e.description());
item->setText(node.id());
}
} else if (item == itemRow.visibilityItem) {
bool invisible = (item->checkState() == Qt::Unchecked);
node.setAuxiliaryData("invisible", invisible);
propagateInvisible(node,isNodeInvisible(node));
}
}
bool NavigatorTreeModel::dropMimeData(const QMimeData *data,
Qt::DropAction action,
int row,
int column,
const QModelIndex &dropIndex)
{
if (action == Qt::IgnoreAction)
return true;
if (action != Qt::LinkAction)
return false;
if (!data->hasFormat("application/vnd.modelnode.list"))
return false;
if (column > 1)
return false;
if (dropIndex.model() != this)
return false;
QModelIndex parentIndex, parentItemIndex;
PropertyName parentPropertyName;
int targetIndex;
parentIndex = dropIndex.sibling(dropIndex.row(), 0);
targetIndex = (row > -1)? row : rowCount(parentIndex);
if (this->data(parentIndex, NavigatorRole).isValid()) {
parentItemIndex = parentIndex;
ModelNode parentNode = nodeForIndex(parentItemIndex);
if (!parentNode.metaInfo().hasDefaultProperty())
return false;
targetIndex -= visibleProperties(parentNode).count();
parentPropertyName = parentNode.metaInfo().defaultPropertyName();
} else {
parentItemIndex = parentIndex.parent();
parentPropertyName = parentIndex.data(Qt::DisplayRole).toByteArray();
}
// Disallow dropping items between properties, which are listed first.
if (targetIndex < 0)
return false;
Q_ASSERT(parentItemIndex.isValid());
QByteArray encodedData = data->data("application/vnd.modelnode.list");
QDataStream stream(&encodedData, QIODevice::ReadOnly);
QList<ModelNode> nodeList;
while (!stream.atEnd()) {
uint nodeHash;
stream >> nodeHash;
if (containsNodeHash(nodeHash)) {
ModelNode node(nodeForHash(nodeHash));
nodeList.append(node);
}
}
ModelNode parentNode(nodeForIndex(parentItemIndex));
NodeAbstractProperty parentProperty = parentNode.nodeAbstractProperty(parentPropertyName);
if (parentProperty.isNodeProperty() &&
nodeList.count() > 1) {
return false;
}
moveNodesInteractive(parentProperty, nodeList, targetIndex);
propagateInvisible(parentNode, isNodeInvisible(parentNode));
return false; // don't let the view do drag&drop on its own
}
bool NavigatorTreeModel::dropMimeData(const QMimeData *data,
Qt::DropAction action,
int row,
int column,
const QModelIndex &parentIndex)
{
if (action == Qt::IgnoreAction)
return true;
if (action != Qt::LinkAction)
return false;
if (!data->hasFormat("application/vnd.modelnode.list"))
return false;
if (column > 1)
return false;
if (parentIndex.model() != this)
return false;
QModelIndex parentIdIndex = parentIndex;
parentIdIndex = parentIdIndex.sibling(parentIdIndex.row(), 0);
Q_ASSERT(parentIdIndex.isValid());
int targetIndex = 0;
if (row > -1) {
targetIndex = row;
} else {
targetIndex = rowCount(parentIdIndex);
}
QByteArray encodedData = data->data("application/vnd.modelnode.list");
QDataStream stream(&encodedData, QIODevice::ReadOnly);
ModelNode parentNode(nodeForIndex(parentIdIndex));
QList<ModelNode> nodeList;
while (!stream.atEnd()) {
uint nodeHash;
stream >> nodeHash;
ModelNode node(nodeForHash(nodeHash));
if (!node.isValid() || (parentNode == node) || node.isAncestorOf(parentNode))
continue;
nodeList.append(node);
}
RewriterTransaction transaction = m_view->beginRewriterTransaction();
foreach (const ModelNode &node, nodeList) {
if (!isAnchestorInList(node, nodeList)) {
if (node.parentProperty().parentModelNode() != parentNode) {
if (node != parentNode) {
reparentModelNode(parentNode, node);
}
}
if (node.parentProperty().isNodeListProperty()) {
int index = node.parentProperty().toNodeListProperty().toModelNodeList().indexOf(node);
if (index < targetIndex) { // item is first removed from oldIndex, then inserted at new index
--targetIndex;
}
if (index != targetIndex) {
node.parentProperty().toNodeListProperty().slide(index, targetIndex);
}
}
}
}
propagateInvisible(parentNode, isNodeInvisible(parentNode));
return false; // don't let the view do drag&drop on its own
}