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103 lines
3.2 KiB
C++
Executable File
103 lines
3.2 KiB
C++
Executable File
// Created on: 2007-09-02
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// Created by: Alexander GRIGORIEV
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// Copyright (c) 2007-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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#ifndef NIS_ObjectsIterator_HeaderFile
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#define NIS_ObjectsIterator_HeaderFile
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#include <NCollection_SparseArray.hxx>
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#include <Handle_NIS_InteractiveObject.hxx>
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class Handle_NIS_InteractiveContext;
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/**
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* Iterator of objects contained in a NIS_InteractiveContext instance. The
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* iteration is always in the ascending sense of object ID. Examples:
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* @code
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* // Erase all objects in the Context
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* NIS_ObjectsIterator anIter (myContext);
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* for (; anIter.More(); anIter.Next())
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* myContext->Erase (anIter.Value(), Standard_False);
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*
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* // Set object attributes to their IDs (hardly useful outside the example)
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* anIter.Initialize (myContext);
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* Handle(NIS_InteractiveObject) anObj;
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* while (!(anObj = anIter.Value().IsNull())) {
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* anObj->SetAttribute (static_cast<void *> (anObj->ID()));
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* anIter.Next();
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* }
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* @endcode
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*/
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class NIS_ObjectsIterator
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{
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public:
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// ---------- PUBLIC METHODS ----------
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/**
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* Empty Constructor.
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*/
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inline NIS_ObjectsIterator () {}
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/**
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* Constructor.
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* @param theCtx
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* Interactive context that is to be iterated for all objects.
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*/
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inline NIS_ObjectsIterator (const Handle_NIS_InteractiveContext& theCtx)
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{ Initialize (theCtx); }
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/**
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* Reset the Iterator to start the iterations of objects.
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* @param theCtx
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* Interactive context that is to be iterated for all objects.
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*/
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Standard_EXPORT void Initialize
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(const Handle_NIS_InteractiveContext& theCtx);
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/**
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* Query if the Iterator has an object (not yet finished the iteration
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* process).
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*/
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inline Standard_Boolean More () const
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{ return myIter.More(); }
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/**
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* Returns the current object at the iteration pointer. If the iteration is
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* over (More() == False) this method returns NULL Handle.
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*/
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Standard_EXPORT const Handle_NIS_InteractiveObject&
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Value () const;
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/**
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* Step forward to the next valid InteractiveObject instance.
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*/
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Standard_EXPORT void Next ();
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protected:
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// ---------- PROTECTED FIELDS ----------
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NCollection_SparseArray <Handle_NIS_InteractiveObject>::ConstIterator myIter;
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};
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#endif
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