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Core: Tree / ViewProvider : Add canDragObjectToTarget

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This commit is contained in:
PaddleStroke
2024-06-28 15:15:01 +02:00
committed by Yorik van Havre
parent c70654733f
commit 3e2bc7ad3d
3 changed files with 47 additions and 11 deletions
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51
src/Gui/Tree.cpp
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@@ -2124,7 +2124,18 @@ bool TreeWidget::dropInDocument(QDropEvent* event, TargetItemInfo& targetInfo,
auto obj = item->object()->getObject();
auto parentItem = item->getParentItem();
if (parentItem) {
if (!parentItem->object()->canDragObjects() || !parentItem->object()->canDragObject(obj)) {
auto vpp = parentItem->object();
// We querry all the parents recursively.
bool allParentsOK = true;
while (parentItem) {
if (!parentItem->object()->canDragObjectToTarget(obj, nullptr)) {
allParentsOK = false;
break;
}
parentItem = parentItem->getParentItem();
}
if (!allParentsOK || !parentItem->object()->canDragObjects() || !parentItem->object()->canDragObject(obj)) {
TREE_ERR("'" << obj->getFullName() << "' cannot be dragged out of '" << parentItem->object()->getObject()->getFullName() << "'");
return false;
}
@@ -2352,6 +2363,7 @@ bool TreeWidget::dropInObject(QDropEvent* event, TargetItemInfo& targetInfo,
}
}
App::DocumentObject* targetObj = targetItemObj->object()->getObject();
std::ostringstream targetSubname;
App::DocumentObject* targetParent = nullptr;
targetItemObj->getSubName(targetSubname, targetParent);
@@ -2362,10 +2374,13 @@ bool TreeWidget::dropInObject(QDropEvent* event, TargetItemInfo& targetInfo,
Selection().addSelection(targetParent->getDocument()->getName(), targetParent->getNameInDocument(), targetSubname.str().c_str());
}
else {
targetParent = targetItemObj->object()->getObject();
targetParent = targetObj;
Selection().addSelection(targetParent->getDocument()->getName(), targetParent->getNameInDocument());
}
// Open command
App::AutoTransaction committer("Drop object");
bool syncPlacement = TreeParams::getSyncPlacement() && targetItemObj->isGroup();
bool setSelection = true;
std::vector<App::DocumentObject*> draggedObjects;
@@ -2399,16 +2414,32 @@ bool TreeWidget::dropInObject(QDropEvent* event, TargetItemInfo& targetInfo,
// check if items can be dragged
if (da == Qt::MoveAction && item->myOwner == targetItemObj->myOwner && vp->canDragAndDropObject(obj)) {
// check if items can be dragged
auto parentItem = item->getParentItem();
if (!parentItem) {
info.dragging = true;
}
else if (parentItem->object()->canDragObjects() && parentItem->object()->canDragObject(obj)) {
info.dragging = true;
else {
auto vpp = parentItem->object();
info.parent = vpp->getObject()->getNameInDocument();
info.parentDoc = vpp->getObject()->getDocument()->getName();
// We querry all the parents recursively.
bool allParentsOK = true;
while (parentItem) {
Base::Console().Warning("parentItem %s\n", parentItem->getName());
if (!parentItem->object()->canDragObjectToTarget(obj, targetObj)) {
allParentsOK = false;
break;
}
parentItem = parentItem->getParentItem();
}
if (allParentsOK) {
info.dragging = true;
info.parent = vpp->getObject()->getNameInDocument();
info.parentDoc = vpp->getObject()->getDocument()->getName();
}
else {
committer.close(true);
TREE_TRACE("Cannot drag from " << parentItem->getName());
return false;
}
}
}
@@ -2417,11 +2448,13 @@ bool TreeWidget::dropInObject(QDropEvent* event, TargetItemInfo& targetInfo,
{
if (event->possibleActions() & Qt::LinkAction) {
if (items.size() > 1) {
committer.close(true);
TREE_TRACE("Cannot replace with more than one object");
return false;
}
auto ext = vp->getObject()->getExtensionByType<App::LinkBaseExtension>(true);
if ((!ext || !ext->getLinkedObjectProperty()) && !targetItemObj->getParentItem()) {
committer.close(true);
TREE_TRACE("Cannot replace without parent");
return false;
}
@@ -2430,11 +2463,7 @@ bool TreeWidget::dropInObject(QDropEvent* event, TargetItemInfo& targetInfo,
}
}
// Open command
App::AutoTransaction committer("Drop object");
try {
App::DocumentObject* targetObj = targetItemObj->object()->getObject();
std::set<App::DocumentObject*> inList;
auto parentObj = targetObj;
if (da == Qt::LinkAction && targetItemObj->getParentItem()) {