112 lines
3.1 KiB
C++
112 lines
3.1 KiB
C++
// SPDX-License-Identifier: LGPL-2.1-or-later
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/***************************************************************************
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* Copyright (c) 2015 Eivind Kvedalen <eivind@kvedalen.name> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PropertySheet.h"
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#include "SheetObserver.h"
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using namespace Spreadsheet;
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using namespace App;
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/**
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* The SheetObserver constructor.
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*
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* @param document The Document we are observing
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* @param _sheet The sheet owning this observer.
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*
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*/
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SheetObserver::SheetObserver(App::Document* document, PropertySheet* _sheet)
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: DocumentObserver(document)
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, sheet(_sheet)
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{}
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/**
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* Invalidate cells that depend on this document object.
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*
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*/
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void SheetObserver::slotCreatedObject(const DocumentObject& Obj)
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{
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sheet->invalidateDependants(&Obj);
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}
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/**
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* Invalidate cells that depend on this document object.
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*
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*/
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void SheetObserver::slotDeletedObject(const DocumentObject& Obj)
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{
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sheet->invalidateDependants(&Obj);
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sheet->deletedDocumentObject(&Obj);
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}
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/**
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* Invoke the sheets recomputeDependants when a change to a Property occurs.
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*
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*/
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void SheetObserver::slotChangedObject(const DocumentObject& Obj, const Property& Prop)
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{
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if (&Prop == &Obj.Label) {}
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else {
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const char* name = Obj.getPropertyName(&Prop);
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if (!name) {
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return;
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}
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if (isUpdating.find(name) != isUpdating.end()) {
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return;
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}
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isUpdating.insert(name);
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sheet->recomputeDependants(&Obj, Prop.getName());
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isUpdating.erase(name);
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}
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}
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/**
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* Increase reference count.
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*
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*/
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void SheetObserver::ref()
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{
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refCount++;
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}
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/**
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* Decrease reference count.
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*
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*/
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bool SheetObserver::unref()
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{
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refCount--;
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return refCount;
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}
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