[umbrello] [Bug 449465] Pascal code import is very slow

[Oliver Kellogg]

https://bugs.kde.org/show_bug.cgi?id=449465

Oliver Kellogg <okellogg at users.sourceforge.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Version Fixed In|                            |2.34.70 (KDE releases
                   |                            |22.07.70)
             Status|CONFIRMED                   |RESOLVED
         Resolution|---                         |FIXED
      Latest Commit|                            |https://invent.kde.org/sdk/
                   |                            |umbrello/commit/0d855d0deb4
                   |                            |19f0a38bc486ce0441da4298890
                   |                            |4b

--- Comment #4 from Oliver Kellogg <okellogg at users.sourceforge.net> ---
Git commit 0d855d0deb419f0a38bc486ce0441da42988904b by Oliver Kellogg.
Committed on 13/06/2022 at 05:56.
Pushed by okellogg into branch 'master'.

Fix "Pascal code import is very slow"

umbrello/umllistviewitem.{h,cpp}
- Remove empty reimplementation of destructor (we want the parent
  destructor to execute).
- Member m_comap is renamed to s_comap, changed to `static`, and is
  changed pointer. It now acts as a global map for all UMLObjects
  pertaining to the list view. The switch to pointer is done for
  reducing risk of static initialization order problems.
- New static function deleteItem removes the given UMLListViewItem from
  s_comap and calls its destructor.
- At function findChildObject add `const` on argument `child`.
- New protected function findUMLObject_r is auxiliary to findUMLObject.
  It is invoked when the given object is not found in s_comap.
- Change implementation of ChildObjectMap from QMap to QHash.
  Reason: QHash is more appropriate for pointer arguments.

umbrello/umllistviewitem.cpp
- In function init() allocate s_comap if null.
- Adjust functions addChildItem, deleteChildItem, deepCopy to the
  changes related to m_comap -> s_comap.

umbrello/umllistview.cpp
- In function slotObjectCreated add calls to parentItem->addChildItem()
  for updating s_comap.
- In function slotObjectRemoved replace destruction of `item` by call to
  deleteItem() in order to update s_comap.
- In function init(),
  - reduce content of `if (m_rv == 0)`;
  - call clean() unconditionally;
  - execute for-loop over N_MODELTYPES unconditionally and in its body
    add call to m_rv->addChildItem(sysFolder, m_lv[i]) for updating
    s_comap;
  - call m_lv[Uml::ModelType::Logical]->addChildItem(datatypeFolder) for
    updating s_comap with m_datatypeFolder.
- In function clean(),
  - clean up documentation;
  - set m_datatypeFolder to 0;
  - in for-loop over N_MODELTYPES remove call to deleteChildrenOf() and
    add setting of m_lv[i] to 0;
  - call deleteChildrenOf(m_rv).
- In function moveObject,
  - remove handling of m_doc->loading() (see function acceptDrag);
  - replace `delete move` by UMLListViewItem::deleteItem(move) for
    updating s_comap;
  - add handling of case UMLListViewItem::lvt_EnumLiteral.
- In function addNewItem case instanceOfClass add call to
  instanceItem->addChildItem() for updating s_comap.
- In function loadChildrenFromXMI loading of structural objects add
  call to parent->addChildItem() to update s_comap.
- In function deleteChildrenOf case (typeIsCanvasWidget(lvt) ||
  typeIsClassifierList(lvt)) case !object, replace `delete temp` by call
  to UMLListViewItem::deleteItem(temp).
FIXED-IN: 2.34.70 (KDE releases 22.07.70)

M  +86   -65   umbrello/umllistview.cpp
M  +58   -18   umbrello/umllistviewitem.cpp
M  +8    -6    umbrello/umllistviewitem.h

https://invent.kde.org/sdk/umbrello/commit/0d855d0deb419f0a38bc486ce0441da42988904b

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