00001 /*======================================================================= 00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States. Use of a copyright notice is precautionary only and does not 00007 * imply publication or disclosure. 00008 * 00009 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND: 00010 * Use, duplication or disclosure by the Government is subject to restrictions 00011 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights 00012 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or 00013 * in similar or successor clauses in the FAR, or the DOD or NASA FAR 00014 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc., 00015 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311. 00016 * 00017 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY 00018 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION, 00019 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY 00020 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON 00021 * GRAPHICS, INC. 00022 **=======================================================================*/ 00023 /*======================================================================= 00024 ** Author : Paul S. Strauss (MMM yyyy) 00025 **=======================================================================*/ 00026 /*======================================================================= 00027 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00028 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00029 *** *** 00030 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00031 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00032 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00033 *** *** 00034 *** RESTRICTED RIGHTS LEGEND *** 00035 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00036 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00037 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00038 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00039 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00040 *** *** 00041 *** COPYRIGHT (C) 1996-2020 BY FEI S.A.S, *** 00042 *** BORDEAUX, FRANCE *** 00043 *** ALL RIGHTS RESERVED *** 00044 **=======================================================================*/ 00045 /*======================================================================= 00046 ** Modified by : VSG (MMM YYYY) 00047 **=======================================================================*/ 00048 00049 00050 #ifndef _SO_MF_NODE_ 00051 #define _SO_MF_NODE_ 00052 00053 class SoNode; 00054 00055 #include <Inventor/fields/SoSubField.h> 00056 00058 // 00059 // SoMFNode subclass of SoMField. Each field value is a pointer to an 00060 // SoNode. The field automatically maintains references to the nodes 00061 // it points to and propagates notification from the nodes. 00062 // 00064 00096 class SoMFNode : public SoMField { 00097 00098 // Use standard field stuff 00099 SO_MFIELD_REQUIRED_HEADER(SoMFNode); 00100 SO_MFIELD_CONSTRUCTOR_HEADER(SoMFNode); 00101 SO_MFIELD_VALUE_HEADER(SoMFNode, SoNode *, SoNode *); 00102 SO_MFIELD_SETVALUESPOINTER_HEADER(SoNode *); 00103 00109 void addNode(SoNode *node); 00110 00117 void insertNode(SoNode *node, int newNodeIndex); 00118 00123 SoNode *getNode(int index) const; 00124 00128 int findNode(const SoNode *node) const; 00129 00133 int getNumNodes() const; 00134 00140 void removeNode(int index); 00141 00147 void removeNode(SoNode *node) 00148 { removeNode(findNode(node)); } 00149 00155 void removeAllNodes(); 00156 00160 void replaceNode(int index, SoNode *newNode); 00161 00165 void replaceNode(SoNode *oldNode, SoNode *newNode) 00166 { replaceNode(findNode(oldNode), newNode); } 00167 00178 SoNode** startEditing(); 00179 00181 void finishEditing(); 00182 00183 private: 00184 static void initClass(); 00185 static void exitClass(); 00186 00187 // Update a copied field to use the copy of each node if there is one 00188 virtual void fixCopy(SbBool copyConnections); 00189 00190 // Override this to also check the stored nodes 00191 virtual SbBool referencesCopy() const; 00192 00193 // Set the property and propagate it to the nodes belonging to this field 00194 virtual void setSameValueNotificationEnabled(SbBool value); 00195 00196 private: 00197 // Override this to maintain write-references in nodes 00198 virtual void countWriteRefs(SoOutput *out) const; 00199 00200 // Changes value in field without doing other notification stuff. 00201 // Keeps track of references and auditors. 00202 void setVal(int index, SoNode *newValue); 00203 00204 SoNode** m_oldValues; 00205 int m_oldNum; 00206 00207 }; 00208 00209 #endif /* _SO_MF_NODE_ */ 00210 00211