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Added drag and drop support.

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Implemented our own insertRows/deleteRows to avoid bug caused by default drag and drop behaviour of Qt

https://bugreports.qt-project.org/browse/QTBUG-26229
https://bugreports.qt-project.org/browse/QTBUG-6679
p4#: 21028
This commit is contained in:
Magne Sjaastad
2013-03-21 13:41:44 +01:00
parent 1e8d5236d1
commit b0503cabba
5 changed files with 122 additions and 23 deletions
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112
ApplicationCode/ProjectDataModel/RimUiTreeModelPdm.cpp
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@@ -51,9 +51,9 @@ RimUiTreeModelPdm::RimUiTreeModelPdm(QObject* parent)
}
//--------------------------------------------------------------------------------------------------
///
/// TO BE DELETED
//--------------------------------------------------------------------------------------------------
bool RimUiTreeModelPdm::insertRows(int position, int rows, const QModelIndex &parent /*= QModelIndex()*/)
bool RimUiTreeModelPdm::insertRows_special(int position, int rows, const QModelIndex &parent /*= QModelIndex()*/)
{
caf::PdmUiTreeItem* parentItem = getTreeItemFromIndex(parent);
@@ -126,7 +126,7 @@ bool RimUiTreeModelPdm::deletePropertyFilter(const QModelIndex& itemIndex)
bool wasSomeFilterActive = propertyFilterCollection->hasActiveFilters();
// Remove Ui items pointing at the pdm object to delete
removeRow(itemIndex.row(), itemIndex.parent());
removeRows_special(itemIndex.row(), 1, itemIndex.parent());
propertyFilterCollection->remove(propertyFilter);
delete propertyFilter;
@@ -166,7 +166,7 @@ bool RimUiTreeModelPdm::deleteRangeFilter(const QModelIndex& itemIndex)
bool wasSomeFilterActive = rangeFilterCollection->hasActiveFilters();
// Remove Ui items pointing at the pdm object to delete
removeRow(itemIndex.row(), itemIndex.parent());
removeRows_special(itemIndex.row(), 1, itemIndex.parent());
rangeFilterCollection->remove(rangeFilter);
delete rangeFilter;
@@ -200,7 +200,7 @@ bool RimUiTreeModelPdm::deleteReservoirView(const QModelIndex& itemIndex)
CVF_ASSERT(reservoirView);
// Remove Ui items pointing at the pdm object to delete
removeRow(itemIndex.row(), itemIndex.parent());
removeRows_special(itemIndex.row(), 1, itemIndex.parent());
reservoirView->eclipseCase()->removeReservoirView(reservoirView);
delete reservoirView;
@@ -226,7 +226,7 @@ void RimUiTreeModelPdm::deleteReservoir(RimReservoir* reservoir)
CVF_ASSERT(uiItem);
// Remove Ui items pointing at the pdm object to delete
removeRow(mi.row(), mi.parent());
removeRows_special(mi.row(), 1, mi.parent());
}
RimProject* proj = RIApplication::instance()->project();
@@ -449,7 +449,7 @@ void RimUiTreeModelPdm::deleteInputProperty(const QModelIndex& itemIndex)
if (!inputProperty) return;
// Remove item from UI tree model before delete of project data structure
removeRow(itemIndex.row(), itemIndex.parent());
removeRows_special(itemIndex.row(), 1, itemIndex.parent());
std::vector<RimInputPropertyCollection*> parentObjects;
object->parentObjectsOfType(parentObjects);
@@ -581,8 +581,8 @@ void RimUiTreeModelPdm::addObjects(const QModelIndex& itemIndex, caf::PdmObjectG
caseCollection = rimReservoir->parentCaseCollection();
if (caseCollection)
{
gridCaseGroup = caseCollection->parentCaseGroup();
}
gridCaseGroup = caseCollection->parentCaseGroup();
}
}
else
{
@@ -701,3 +701,97 @@ void RimUiTreeModelPdm::clearClipboard()
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
Qt::DropActions RimUiTreeModelPdm::supportedDropActions() const
{
return Qt::CopyAction | Qt::MoveAction;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
Qt::ItemFlags RimUiTreeModelPdm::flags(const QModelIndex &index) const
{
Qt::ItemFlags defaultFlags = caf::UiTreeModelPdm::flags(index);
if (index.isValid())
{
caf::PdmUiTreeItem* currentItem = getTreeItemFromIndex(index);
CVF_ASSERT(currentItem);
CVF_ASSERT(currentItem->dataObject().p());
if (dynamic_cast<RimIdenticalGridCaseGroup*>(currentItem->dataObject().p()) ||
dynamic_cast<RimCaseCollection*>(currentItem->dataObject().p()))
{
return Qt::ItemIsDropEnabled | defaultFlags;
}
else if (dynamic_cast<RimReservoir*>(currentItem->dataObject().p()))
{
// TODO: Remember to handle reservoir holding the main grid
return Qt::ItemIsDragEnabled | defaultFlags;
}
}
return defaultFlags;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool RimUiTreeModelPdm::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent)
{
const MimeDataWithIndexes* myMimeData = qobject_cast<const MimeDataWithIndexes*>(data);
if (myMimeData && parent.isValid())
{
caf::PdmObjectGroup pog;
for (int i = 0; i < myMimeData->indexes().size(); i++)
{
QModelIndex mi = myMimeData->indexes().at(i);
caf::PdmUiTreeItem* currentItem = getTreeItemFromIndex(mi);
caf::PdmObject* pdmObj = currentItem->dataObject().p();
pog.objects().push_back(pdmObj);
}
addObjects(parent, pog);
if (action == Qt::MoveAction)
{
std::vector<caf::PdmPointer<RimResultReservoir> > typedObjects;
pog.objectsByType(&typedObjects);
for (size_t i = 0; i < typedObjects.size(); i++)
{
RimReservoir* rimReservoir = typedObjects[i];
deleteReservoir(rimReservoir);
}
}
return true;
}
return false;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QMimeData* RimUiTreeModelPdm::mimeData(const QModelIndexList &indexes) const
{
MimeDataWithIndexes* myObj = new MimeDataWithIndexes();
myObj->setIndexes(indexes);
return myObj;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QStringList RimUiTreeModelPdm::mimeTypes() const
{
QStringList types;
types << MimeDataWithIndexes::formatName();
return types;
}