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Generall Drag/Drop interface

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This commit is contained in:
jriegel
2014-02-02 21:18:08 +01:00
committed by Stefan Tröger
parent a366ae60e4
commit be619b3e7d
6 changed files with 102 additions and 4 deletions
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34
src/Gui/Tree.cpp
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@@ -444,7 +444,10 @@ void TreeWidget::dragMoveEvent(QDragMoveEvent *event)
}
}
else if (targetitem->type() == TreeWidget::ObjectType) {
Gui::ViewProviderDocumentObject* vp = static_cast<DocumentObjectItem*>(targetitem)->object();
DocumentObjectItem* targetItemObj = static_cast<DocumentObjectItem*>(targetitem);
Gui::ViewProviderDocumentObject* vp = targetItemObj->object();
if (!vp->canDropObjects()) {
event->ignore();
}
@@ -456,6 +459,10 @@ void TreeWidget::dragMoveEvent(QDragMoveEvent *event)
App::DocumentObject* grp = vp->getObject();
App::Document* doc = grp->getDocument();
QList<QModelIndex> idxs = selectedIndexes();
std::vector<const App::DocumentObject*> dropObjects;
dropObjects.reserve(idxs.size());
for (QList<QModelIndex>::Iterator it = idxs.begin(); it != idxs.end(); ++it) {
QTreeWidgetItem* item = itemFromIndex(*it);
if (item->type() != TreeWidget::ObjectType) {
@@ -469,6 +476,8 @@ void TreeWidget::dragMoveEvent(QDragMoveEvent *event)
return;
}
dropObjects.push_back(obj);
// To avoid a cylic dependency it must be made sure to not allow to
// drag'n'drop a tree item onto a child or grandchild item of it.
if (static_cast<DocumentObjectItem*>(targetitem)->isChildOfItem(
@@ -528,20 +537,26 @@ void TreeWidget::dropEvent(QDropEvent *event)
if (targetitem->type() == TreeWidget::ObjectType) {
// add object to group
Gui::ViewProviderDocumentObject* vp = static_cast<DocumentObjectItem*>(targetitem)->object();
DocumentObjectItem* targetItemObj = static_cast<DocumentObjectItem*>(targetitem);
Gui::ViewProviderDocumentObject* vp = targetItemObj->object();
App::DocumentObject* grp = vp->getObject();
if (!vp->canDropObjects()) {
return; // no group like object
}
std::vector<const App::DocumentObject*> dropObjects;
dropObjects.reserve(idxs.size());
// Open command
App::Document* doc = grp->getDocument();
Gui::Document* gui = Gui::Application::Instance->getDocument(doc);
gui->openCommand("Move object");
for (QList<QTreeWidgetItem*>::Iterator it = items.begin(); it != items.end(); ++it) {
Gui::ViewProviderDocumentObject* vpc = static_cast<DocumentObjectItem*>(*it)->object();
App::DocumentObject* obj = vpc->getObject();
dropObjects.push_back(obj);
// does this have a parent object
QTreeWidgetItem* parent = (*it)->parent();
if (parent && parent->type() == TreeWidget::ObjectType) {
@@ -552,7 +567,7 @@ void TreeWidget::dropEvent(QDropEvent *event)
// now add the object to the target object
vp->dropObject(obj);
}
gui->commitCommand();
targetItemObj->drop(dropObjects,event->keyboardModifiers(),event->mouseButtons(),event->pos());
}
else if (targetitem->type() == TreeWidget::DocumentType) {
// Open command
@@ -861,6 +876,8 @@ DocumentItem::~DocumentItem()
connectExpObject.disconnect();
}
void DocumentItem::slotInEdit(const Gui::ViewProviderDocumentObject& v)
{
std::string name (v.getObject()->getNameInDocument());
@@ -1398,6 +1415,15 @@ void DocumentObjectItem::testStatus()
this->setIcon(0, icon_mod);
}
bool DocumentObjectItem::allowDrop(const std::vector<const App::DocumentObject*> &objList,Qt::KeyboardModifiers keys,Qt::MouseButtons mouseBts,const QPoint &pos)
{
return viewObject->allowDrop(objList,keys,mouseBts,pos);
}
void DocumentObjectItem::drop(const std::vector<const App::DocumentObject*> &objList,Qt::KeyboardModifiers keys,Qt::MouseButtons mouseBts,const QPoint &pos)
{
viewObject->drop(objList,keys,mouseBts,pos);
}
void DocumentObjectItem::displayStatusInfo()
{
App::DocumentObject* Obj = viewObject->getObject();