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ViewProviderProjGroup: handle the case that items have section or detail views that would be broken by the deletion

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donovaly
2020-03-04 02:14:25 +01:00
committed by WandererFan
parent ead6cfea71
commit 2cda87f23a
1 changed files with 41 additions and 3 deletions
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44
src/Mod/TechDraw/Gui/ViewProviderProjGroup.cpp
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@@ -49,6 +49,8 @@
#include <Gui/ViewProviderDocumentObject.h>
#include <Mod/TechDraw/App/DrawProjGroupItem.h>
#include <Mod/TechDraw/App/DrawViewDetail.h>
#include <Mod/TechDraw/App/DrawViewSection.h>
#include "TaskProjGroup.h"
#include "ViewProviderProjGroup.h"
@@ -151,14 +153,50 @@ bool ViewProviderProjGroup::onDelete(const std::vector<std::string> &)
{
// warn the user if the ProjGroup is not empty
// check if there are items in the group
QString bodyMessage;
QTextStream bodyMessageStream(&bodyMessage);
TechDraw::DrawProjGroupItem* Item = nullptr;
std::vector<std::string> ViewList;
// get the items in the group
auto objs = claimChildren();
// iterate over all item to check which ones have a section or detail view
for (auto ObjectIterator : objs) {
// get item
Item = static_cast<TechDraw::DrawProjGroupItem*>(ObjectIterator);
// get its section views
auto viewSection = Item->getSectionRefs();
// add names to a list
if (!viewSection.empty()) {
for (auto SecIterator : viewSection) {
ViewList.push_back(SecIterator->Label.getValue());
}
}
// get its detail views
auto viewDetail = Item->getDetailRefs();
if (!viewDetail.empty()) {
for (auto DetIterator : viewDetail) {
ViewList.push_back(DetIterator->Label.getValue());
}
}
}
// if there are section or detail views we cannot delete because this would break them
if (!ViewList.empty()) {
bodyMessageStream << qApp->translate("Std_Delete",
"The group cannot be deleted because its items have the\n following section and detail views that would get broken:\n");
for (auto ListIterator : ViewList)
bodyMessageStream << '\n' << QString::fromUtf8(ListIterator.c_str());
QMessageBox::warning(Gui::getMainWindow(),
qApp->translate("Std_Delete", "Object dependencies"), bodyMessage,
QMessageBox::Ok);
return false;
}
if (!objs.empty())
{
// generate dialog
QString bodyMessage;
QTextStream bodyMessageStream(&bodyMessage);
bodyMessageStream << qApp->translate("Std_Delete",
"The projection group is not empty, therefore\n the following referencing objects might be lost.\n\n"
"Are you sure you want to continue?\n");