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New elements panel : fix crash at drag and drop due to a wrong use of QAbstractItemModel

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4353 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2016-02-24 10:43:40 +00:00
parent 014f3c8f13
commit a35ce68d7a
5 changed files with 31 additions and 12 deletions
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12
sources/ElementsCollection/elementcollectionitem.cpp
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@@ -24,6 +24,7 @@
* @param parent : the parent item of this item
*/
ElementCollectionItem::ElementCollectionItem(ElementCollectionItem *parent) :
QObject(parent),
m_parent_item (parent)
{}
@@ -52,7 +53,12 @@ void ElementCollectionItem::appendChild(ElementCollectionItem *item) {
*/
bool ElementCollectionItem::removeChild(int row, int count)
{
if (!(0 <= row+count && row+count <= m_child_items.size())) return false;
if (!(1 <= row+count && row+count <= m_child_items.size())) return false;
int last_ = row + (count-1);
if (last_ < row) return false;
emit beginRemoveRows(this, row, last_);
for (int i=0 ; i<count ; i++)
{
@@ -60,6 +66,8 @@ bool ElementCollectionItem::removeChild(int row, int count)
delete eci;
}
emit endRemoveRows();
return true;
}
@@ -74,7 +82,9 @@ bool ElementCollectionItem::insertChild(int row, ElementCollectionItem *item)
{
if (m_child_items.contains(item)) return false;
beginInsertRows(this, row, row);
m_child_items.insert(row, item);
endInsertRows();
return true;
}