//======================================================================
		//
		// Check the parsed arguments and do/undo/redo the command as appropriate
		//
		void checkArgs(ref MArgDatabase argsDb)
		{
			MSelectionList objects = new MSelectionList();

            argsDb.getObjects(objects);

			for (uint i = 0; i < objects.length; ++i)
			{
                MDagPath dagPath = new MDagPath();
                objects.getDagPath((uint)i, dagPath);
                MFnDagNode dagNode = new MFnDagNode(dagPath.node);
                MObject obj = dagNode.child(0);
                if (obj.apiTypeStr == "kMesh")
                {
                    fMesh = new MFnMesh(obj);
                    fObj = obj;
                    fObjTransform = dagPath.node;
                }
			}

			if( fMesh == null || fObj == null || fObjTransform == null )
			{
				string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
				throw new ArgumentException(errMsg, "argsDb");
			}
		}
Example #2
0
        //======================================================================
        //
        // Check the parsed arguments and do/undo/redo the command as appropriate
        //
        void checkArgs(ref MArgDatabase argsDb)
        {
            MSelectionList objects = new MSelectionList();

            argsDb.getObjects(objects);

            for (uint i = 0; i < objects.length; ++i)
            {
                MDagPath dagPath = new MDagPath();
                objects.getDagPath((uint)i, dagPath);
                MFnDagNode dagNode = new MFnDagNode(dagPath.node);
                MObject    obj     = dagNode.child(0);
                if (obj.apiTypeStr == "kMesh")
                {
                    fMesh         = new MFnMesh(obj);
                    fObj          = obj;
                    fObjTransform = dagPath.node;
                }
            }

            if (fMesh == null || fObj == null || fObjTransform == null)
            {
                string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
                throw new ArgumentException(errMsg, "argsDb");
            }
        }
Example #3
0
        //======================================================================
        //
        // Look through the arg database and verify that the arguments are
        // valid. Only checks the common flags so derived classes should call
        // this parent method first before checking their own flags.
        //
        public virtual void checkArgs(MArgDatabase argsDb)
        {
            String formatType = "raw";

            fSerialize = AssociationsSerializer.formatByName(formatType);
            if (fSerialize == null)
            {
                String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kMetadataFormatNotFound);
                String msg = String.Format(fmt, formatType);
                displayError(msg);
                throw new System.ArgumentException(msg);
            }

            //----------------------------------------
            // (selection list)
            //
            // Commands need at least one mesh object on which to operate so gather up
            // the list of meshes specified and/or selected.
            //

            // Empty out the list of meshes on which to operate so that it can be
            // populated from the selection or specified lists.
            fMeshes.clear();

            MSelectionList objects = new MSelectionList();

            argsDb.getObjects(objects);
            for (int i = 0; i < objects.length; ++i)
            {
                MDagPath dagPath = new MDagPath();
                objects.getDagPath((uint)i, dagPath);

                MFnDagNode dagNode = new MFnDagNode(dagPath.node);
                MObject    obj     = dagNode.child(0);
                if (obj.apiTypeStr == "kMesh")
                {
                    MFnMesh mesh = new MFnMesh(obj);
                    if (mesh != null)
                    {
                        fMeshes.append(obj);
                    }
                }
                else
                {
                    String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kObjectTypeError);
                    String msg = String.Format(fmt, dagPath.fullPathName + "[" + obj.apiTypeStr + "]");
                    displayError(msg);
                    throw new System.InvalidOperationException(msg);
                }
            }

            if (fMeshes.length == 0)
            {
                String msg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
                displayError(msg);
                throw new System.InvalidOperationException(msg);
            }
        }
Example #4
0
        //======================================================================
        //
        // Look through the arg database and verify that the arguments are
        // valid. Only checks the common flags so derived classes should call
        // this parent method first before checking their own flags.
        //
        public virtual void checkArgs(MArgDatabase argsDb)
        {
            String formatType = "raw";
            fSerialize = AssociationsSerializer.formatByName( formatType );
            if( fSerialize == null)
            {
                String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kMetadataFormatNotFound);
                String msg = String.Format(fmt, formatType);
                displayError(msg);
                throw new System.ArgumentException(msg);
            }

            //----------------------------------------
            // (selection list)
            //
            // Commands need at least one mesh object on which to operate so gather up
            // the list of meshes specified and/or selected.
            //

            // Empty out the list of meshes on which to operate so that it can be
            // populated from the selection or specified lists.
            fMeshes.clear();

            MSelectionList objects = new MSelectionList();
            argsDb.getObjects(objects);
            for (int i = 0; i<objects.length; ++i)
            {
                MDagPath dagPath = new MDagPath();
                objects.getDagPath((uint)i, dagPath);

                MFnDagNode dagNode = new MFnDagNode( dagPath.node );
                MObject obj = dagNode.child(0);
                if (obj.apiTypeStr == "kMesh")
                {
                    MFnMesh mesh = new MFnMesh(obj);
                    if(mesh != null)
                        fMeshes.append(obj);
                }
                else
                {
                    String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kObjectTypeError);
                    String msg = String.Format(fmt, dagPath.fullPathName + "[" + obj.apiTypeStr + "]");
                    displayError(msg);
                    throw new System.InvalidOperationException(msg);
                }
            }

            if( fMeshes.length == 0 )
            {
                String msg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
                displayError(msg);
                throw new System.InvalidOperationException(msg);
            }
        }
Example #5
0
        private void parseArgs(MArgList args)
        {
            const string kMessageFlag = "m";

            MArgDatabase argData = new MArgDatabase(syntax, args);

            if (argData.isFlagSet(kMessageFlag))
            {
                bool flag = false;

                try
                {
                    flag = argData.flagArgumentBool(kMessageFlag, 0);
                }
                catch (Exception)
                {
                    throw new ArgumentException("could not parse message flag", "args");
                }

                if (flag)
                {
                    addMessage = true;
                }
                else
                {
                    delMessage = true;
                }
            }

            try
            {
                argData.getObjects(conditions);
            }
            catch (Exception)
            {
                displayError("could not parse condition names");
            }

            // If there are no conditions specified, operate on all of them
            //
            if (conditions.length == 0)
            {
                // conditionNames is set in initializePlugin to all the
                // currently available condition names.
                //
                conditions = conditionNames;
            }
        }
Example #6
0
        //======================================================================
        //
        // Check the parsed arguments and do/undo/redo the command as appropriate
        //
        void checkArgs(ref MArgDatabase argsDb)
        {
            //----------------------------------------
            // (selection list)
            //
            // Commands need at least one node on which to operate so gather up
            // the list of nodes specified and/or selected.
            //

            // Empty out the list of nodes on which to operate so that it can be
            // populated from the selection or specified lists.
            fNodes.clear();
            MSelectionList objects = new MSelectionList();

            argsDb.getObjects(objects);

            for (uint i = 0; i < objects.length; ++i)
            {
                MDagPath dagPath = new MDagPath();
                objects.getDagPath((uint)i, dagPath);
                MFnDagNode dagNode = new MFnDagNode(dagPath.node);
                MObject    obj     = dagNode.child(0);
                if (obj.apiTypeStr == "kMesh")
                {
                    if (obj == MObject.kNullObj)
                    {
                        throw new ApplicationException("Error: objects.getDependNode() ");
                    }
                    fNodes.append(dagPath.node);
                }
                else
                {
                    String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kObjectTypeError);
                    String msg = String.Format(fmt, dagPath.fullPathName + "[" + obj.apiTypeStr + "]");
                    displayError(msg);
                    throw new System.InvalidOperationException(msg);
                }
            }

            if (fNodes.length == 0)
            {
                string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
                throw new ArgumentException(errMsg, "argsDb");
            }
        }
        //======================================================================
		//
		// Check the parsed arguments and do/undo/redo the command as appropriate
		//
		void checkArgs(ref MArgDatabase argsDb)
		{
			//----------------------------------------
			// (selection list)
			//
			// Commands need at least one node on which to operate so gather up
			// the list of nodes specified and/or selected.
			//

			// Empty out the list of nodes on which to operate so that it can be
			// populated from the selection or specified lists.
			fNodes.clear();
			MSelectionList objects = new MSelectionList();
			argsDb.getObjects(objects);

			for (uint i = 0; i < objects.length; ++i)
			{
                MDagPath dagPath = new MDagPath();
                objects.getDagPath((uint)i, dagPath);
                MFnDagNode dagNode = new MFnDagNode(dagPath.node);
                MObject obj = dagNode.child(0);
                if (obj.apiTypeStr == "kMesh")
                {
                    if (obj == MObject.kNullObj)
                    {
                        throw new ApplicationException("Error: objects.getDependNode() ");
                    }
                    fNodes.append(dagPath.node);
                }
                else
                {
                    String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kObjectTypeError);
                    String msg = String.Format(fmt, dagPath.fullPathName + "[" + obj.apiTypeStr + "]");
                    displayError(msg);
                    throw new System.InvalidOperationException(msg);
                }
			}

			if (fNodes.length == 0)
			{
				string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
				throw new ArgumentException(errMsg, "argsDb");
			}
		}
Example #8
0
		//======================================================================
		//
		// Check the parsed arguments and do/undo/redo the command as appropriate
		//
		void checkArgs(ref MArgDatabase argsDb)
		{
			//----------------------------------------
			// -structure flag
			//
			fStructureFlag.parse(ref argsDb, flagStructure);
			if (fStructureFlag.isSet())
			{
				if (!fStructureFlag.isArgValid())
				{
					string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kInvalidString);
					throw new ArgumentException(errMsg, "argsDb");
				}

				string structureName = fStructureFlag.arg();
				try
				{
					fStructure = Structure.structureByName(structureName);
				}
				catch (System.Exception)
				{
					string msgFmt = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataStructureNotFound);
					throw new ArgumentException(String.Format(msgFmt, structureName), "argsDb");
				}

			}
			else
			{
				string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataNoStructureName);
				throw new ArgumentException(errMsg, "argsDb");
			}

			//----------------------------------------
			// -streamName flag
			//
			fStreamNameFlag.parse(ref argsDb, flagStreamName);
			if (fStreamNameFlag.isSet())
			{
				if (!fStreamNameFlag.isArgValid())
				{
					string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kInvalidString);
					throw new ArgumentException(errMsg, "argsDb");
				}
				fStreamName = fStreamNameFlag.arg();
			}
			else
			{
				string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataNoStructureName);
				throw new ArgumentException(errMsg, "argsDb");

			}

			//----------------------------------------
			// -channelType flag
			//
			fChannelTypeFlag.parse(ref argsDb, flagChannelType);
			if (fChannelTypeFlag.isSet())
			{
				if (!fChannelTypeFlag.isArgValid())
				{
					string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kInvalidString);
					throw new ArgumentException(errMsg, "argsDb");
				}
				fChannelType = fChannelTypeFlag.arg();
			}
			else
			{
				string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataNoStructureName);
				throw new ArgumentException(errMsg, "argsDb");
			}

			//----------------------------------------
			// (selection list)
			//
			// Commands need at least one node on which to operate so gather up
			// the list of nodes specified and/or selected.
			//

			// Empty out the list of nodes on which to operate so that it can be
			// populated from the selection or specified lists.
			fNodes.clear();
			MSelectionList objects = new MSelectionList();
			argsDb.getObjects(objects);

			for (uint i = 0; i < objects.length; ++i)
			{
                MDagPath dagPath = new MDagPath();
                objects.getDagPath((uint)i, dagPath);
                MFnDagNode dagNode = new MFnDagNode(dagPath.node);
                MObject obj = dagNode.child(0);
                if (obj.apiTypeStr == "kMesh")
                {
                    if (obj == MObject.kNullObj)
                    {
                        throw new ApplicationException("Error: objects.getDependNode() ");
                    }
                    fNodes.append(dagPath.node);
                }
                else
                {
                    String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kObjectTypeError);
                    String msg = String.Format(fmt, dagPath.fullPathName + "[" + obj.apiTypeStr + "]");
                    displayError(msg);
                    throw new System.InvalidOperationException(msg);
                }
			}

			if (fNodes.length == 0)
			{
				string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
				throw new ArgumentException(errMsg, "argsDb");
			}
		}
Example #9
0
        //======================================================================
        //
        // Check the parsed arguments and do/undo/redo the command as appropriate
        //
        void checkArgs(ref MArgDatabase argsDb)
        {
            //----------------------------------------
            // -structure flag
            //
            fStructureFlag.parse(ref argsDb, flagStructure);
            if (fStructureFlag.isSet())
            {
                if (!fStructureFlag.isArgValid())
                {
                    string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kInvalidString);
                    throw new ArgumentException(errMsg, "argsDb");
                }

                string structureName = fStructureFlag.arg();
                try
                {
                    fStructure = Structure.structureByName(structureName);
                }
                catch (System.Exception)
                {
                    string msgFmt = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataStructureNotFound);
                    throw new ArgumentException(String.Format(msgFmt, structureName), "argsDb");
                }
            }
            else
            {
                string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataNoStructureName);
                throw new ArgumentException(errMsg, "argsDb");
            }

            //----------------------------------------
            // -streamName flag
            //
            fStreamNameFlag.parse(ref argsDb, flagStreamName);
            if (fStreamNameFlag.isSet())
            {
                if (!fStreamNameFlag.isArgValid())
                {
                    string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kInvalidString);
                    throw new ArgumentException(errMsg, "argsDb");
                }
                fStreamName = fStreamNameFlag.arg();
            }
            else
            {
                string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataNoStructureName);
                throw new ArgumentException(errMsg, "argsDb");
            }

            //----------------------------------------
            // -channelType flag
            //
            fChannelTypeFlag.parse(ref argsDb, flagChannelType);
            if (fChannelTypeFlag.isSet())
            {
                if (!fChannelTypeFlag.isArgValid())
                {
                    string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kInvalidString);
                    throw new ArgumentException(errMsg, "argsDb");
                }
                fChannelType = fChannelTypeFlag.arg();
            }
            else
            {
                string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataNoStructureName);
                throw new ArgumentException(errMsg, "argsDb");
            }

            //----------------------------------------
            // (selection list)
            //
            // Commands need at least one node on which to operate so gather up
            // the list of nodes specified and/or selected.
            //

            // Empty out the list of nodes on which to operate so that it can be
            // populated from the selection or specified lists.
            fNodes.clear();
            MSelectionList objects = new MSelectionList();

            argsDb.getObjects(objects);

            for (uint i = 0; i < objects.length; ++i)
            {
                MDagPath dagPath = new MDagPath();
                objects.getDagPath((uint)i, dagPath);
                MFnDagNode dagNode = new MFnDagNode(dagPath.node);
                MObject    obj     = dagNode.child(0);
                if (obj.apiTypeStr == "kMesh")
                {
                    if (obj == MObject.kNullObj)
                    {
                        throw new ApplicationException("Error: objects.getDependNode() ");
                    }
                    fNodes.append(dagPath.node);
                }
                else
                {
                    String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kObjectTypeError);
                    String msg = String.Format(fmt, dagPath.fullPathName + "[" + obj.apiTypeStr + "]");
                    displayError(msg);
                    throw new System.InvalidOperationException(msg);
                }
            }

            if (fNodes.length == 0)
            {
                string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
                throw new ArgumentException(errMsg, "argsDb");
            }
        }
Example #10
0
		private void parseArgs(MArgList args)
		{
			const string kMessageFlag = "m";

			MArgDatabase argData = new MArgDatabase(syntax, args);
			
			if (argData.isFlagSet(kMessageFlag))
			{
				bool flag = false;

				try
				{
					flag = argData.flagArgumentBool(kMessageFlag, 0);
				}
				catch (Exception)
				{
					throw new ArgumentException("could not parse message flag", "args");
				}

				if (flag)
				{
					addMessage = true;
				}
				else
				{
					delMessage = true;
				}
			}
			
			try
			{
				argData.getObjects(conditions);
			}
			catch(Exception)
			{
				displayError("could not parse condition names");
			}
			
			// If there are no conditions specified, operate on all of them
			//
			if (conditions.length == 0)
			{
				// conditionNames is set in initializePlugin to all the
				// currently available condition names.
				//
				conditions = conditionNames;
			}
		}
Example #11
0
		public override void doIt(MArgList args)
		{
			MSelectionList list = new MSelectionList();

			MArgDatabase argData;
			argData = new MArgDatabase(syntax, args);
			argData.getObjects(list);
			
			//	Get the flags
			//
			bool allDagUsed = argData.isFlagSet(kAllDagFlag);
			bool parentAddedUsed = argData.isFlagSet(kParentAddedFlag);
			bool parentRemovedUsed = argData.isFlagSet(kParentRemovedFlag);
			bool childAddedUsed = argData.isFlagSet(kChildAddedFlag);
			bool childRemovedUsed = argData.isFlagSet(kChildRemovedFlag);
			bool childReorderedUsed = argData.isFlagSet(kChildReorderedFlag);
			bool helpUsed = argData.isFlagSet(kHelpFlag);

			bool nothingSet = (!allDagUsed && !parentAddedUsed &&
								!parentRemovedUsed && !childAddedUsed &&
								!childRemovedUsed && !childReorderedUsed &&
								!helpUsed);

			if (nothingSet)
			{
				throw new ArgumentException("-A flag must be used. dagMessage -help for available flags.", "args");
			}

			if (argData.isFlagSet(kHelpFlag))
			{
				MGlobal.displayInfo("dagMessage -help");
				MGlobal.displayInfo("\tdagMessage adds a callback to the selected nodes,");
				MGlobal.displayInfo("\tor if no nodes are selected, to all nodes. The callback");
				MGlobal.displayInfo("\tprints a message when called. When the plug-in is unloaded");
				MGlobal.displayInfo("\tthe callbacks are removed.");
				MGlobal.displayInfo("");
				MGlobal.displayInfo("\t-h -help : This message is printed");
				MGlobal.displayInfo("\t-ad -allDag : parent changes and child reorders");
				MGlobal.displayInfo("\t-pa -parentAdded : A parent is added");
				MGlobal.displayInfo("\t-pr -parentRemoved : A parent is removed");
				MGlobal.displayInfo("\t-ca -childAdded : A child is added (only for individual nodes)");
				MGlobal.displayInfo("\t-cr -childRemoved : A child is removed (only for individual nodes)");
				MGlobal.displayInfo("\t-cro -childReordered : A child is reordered");
				MGlobal.displayInfo("");
			}

			uint nObjs = list.length;
			if (nObjs == 0)
			{
				//	Add the callback for all changes of the specified type.
				//
				if (allDagUsed)
				{
					try
					{
						MDagMessage.AllDagChangesEvent += userDAGGenericCB;
					}
					catch (Exception)
					{
						throw new ApplicationException("Could not add a -allDag callback");
					}
				}

				if (parentAddedUsed)
				{
					addGenericCallback(null, MDagMessage.DagMessage.kParentAdded, " parent added ");
				}

				if (parentRemovedUsed)
				{
					addGenericCallback(null, MDagMessage.DagMessage.kParentRemoved, " parent removed ");
				}

				if (childAddedUsed)
				{
					throw new ArgumentException("-childAdded can only be used when a node is selected", "args");
				}

				if (childRemovedUsed)
				{
					throw new ArgumentException("-childRemoved can only be used when a node is selected", "args");
				}

				if (childReorderedUsed)
				{
					addGenericCallback(null, MDagMessage.DagMessage.kChildReordered, " child reordered ");
				}
			}
			else
			{
				for (uint i = 0; i < nObjs; i++)
				{
					MDagPath dagPath = new MDagPath();
					list.getDagPath(i, dagPath);

					if (!dagPath.isValid)
					{
						continue;
					}

					//	Add the callback for all changes of the specified type.
					//
					if (allDagUsed)
					{
						// we don't use obsolete function 
						//  addAllDagChangesCallback
						// use addAllDagChangesDagPathCallback instead
						try
						{
							dagPath.AllDagChangesDagPath += userDAGGenericCB;
							string infoStr = string.Format("Added a callback for all Dag changes on {0}",
								dagPath.fullPathName);
							MGlobal.displayInfo(infoStr);
						}
						catch (Exception)
						{
							throw new ApplicationException("Could not add a -allDag callback");
						}
					}

					if (parentAddedUsed)
					{
						addGenericCallback(dagPath, MDagMessage.DagMessage.kParentAdded, " parent added ");   
					}

					if (parentRemovedUsed)
					{
						addGenericCallback(dagPath, MDagMessage.DagMessage.kParentRemoved, " parent removed ");
					}

					if (childAddedUsed)
					{
						addGenericCallback(dagPath,  MDagMessage.DagMessage.kChildAdded, " child added ");
					}

					if (childRemovedUsed)
					{
						addGenericCallback(dagPath,  MDagMessage.DagMessage.kChildRemoved,  " child removed ");
					}

					if (childReorderedUsed)
					{
						addGenericCallback(dagPath, MDagMessage.DagMessage.kChildReordered,  " child reordered ");
					}
				}
			}

			return;
		}
Example #12
0
        public override void doIt(MArgList args)
        {
            MSelectionList list = new MSelectionList();

            MArgDatabase argData;

            argData = new MArgDatabase(syntax, args);
            argData.getObjects(list);

            //	Get the flags
            //
            bool allDagUsed         = argData.isFlagSet(kAllDagFlag);
            bool parentAddedUsed    = argData.isFlagSet(kParentAddedFlag);
            bool parentRemovedUsed  = argData.isFlagSet(kParentRemovedFlag);
            bool childAddedUsed     = argData.isFlagSet(kChildAddedFlag);
            bool childRemovedUsed   = argData.isFlagSet(kChildRemovedFlag);
            bool childReorderedUsed = argData.isFlagSet(kChildReorderedFlag);
            bool helpUsed           = argData.isFlagSet(kHelpFlag);

            bool nothingSet = (!allDagUsed && !parentAddedUsed &&
                               !parentRemovedUsed && !childAddedUsed &&
                               !childRemovedUsed && !childReorderedUsed &&
                               !helpUsed);

            if (nothingSet)
            {
                throw new ArgumentException("-A flag must be used. dagMessage -help for available flags.", "args");
            }

            if (argData.isFlagSet(kHelpFlag))
            {
                MGlobal.displayInfo("dagMessage -help");
                MGlobal.displayInfo("\tdagMessage adds a callback to the selected nodes,");
                MGlobal.displayInfo("\tor if no nodes are selected, to all nodes. The callback");
                MGlobal.displayInfo("\tprints a message when called. When the plug-in is unloaded");
                MGlobal.displayInfo("\tthe callbacks are removed.");
                MGlobal.displayInfo("");
                MGlobal.displayInfo("\t-h -help : This message is printed");
                MGlobal.displayInfo("\t-ad -allDag : parent changes and child reorders");
                MGlobal.displayInfo("\t-pa -parentAdded : A parent is added");
                MGlobal.displayInfo("\t-pr -parentRemoved : A parent is removed");
                MGlobal.displayInfo("\t-ca -childAdded : A child is added (only for individual nodes)");
                MGlobal.displayInfo("\t-cr -childRemoved : A child is removed (only for individual nodes)");
                MGlobal.displayInfo("\t-cro -childReordered : A child is reordered");
                MGlobal.displayInfo("");
            }

            uint nObjs = list.length;

            if (nObjs == 0)
            {
                //	Add the callback for all changes of the specified type.
                //
                if (allDagUsed)
                {
                    try
                    {
                        MDagMessage.AllDagChangesEvent += userDAGGenericCB;
                    }
                    catch (Exception)
                    {
                        throw new ApplicationException("Could not add a -allDag callback");
                    }
                }

                if (parentAddedUsed)
                {
                    addGenericCallback(null, MDagMessage.DagMessage.kParentAdded, " parent added ");
                }

                if (parentRemovedUsed)
                {
                    addGenericCallback(null, MDagMessage.DagMessage.kParentRemoved, " parent removed ");
                }

                if (childAddedUsed)
                {
                    throw new ArgumentException("-childAdded can only be used when a node is selected", "args");
                }

                if (childRemovedUsed)
                {
                    throw new ArgumentException("-childRemoved can only be used when a node is selected", "args");
                }

                if (childReorderedUsed)
                {
                    addGenericCallback(null, MDagMessage.DagMessage.kChildReordered, " child reordered ");
                }
            }
            else
            {
                for (uint i = 0; i < nObjs; i++)
                {
                    MDagPath dagPath = new MDagPath();
                    list.getDagPath(i, dagPath);

                    if (!dagPath.isValid)
                    {
                        continue;
                    }

                    //	Add the callback for all changes of the specified type.
                    //
                    if (allDagUsed)
                    {
                        // we don't use obsolete function
                        //  addAllDagChangesCallback
                        // use addAllDagChangesDagPathCallback instead
                        try
                        {
                            dagPath.AllDagChangesDagPath += userDAGGenericCB;
                            string infoStr = string.Format("Added a callback for all Dag changes on {0}",
                                                           dagPath.fullPathName);
                            MGlobal.displayInfo(infoStr);
                        }
                        catch (Exception)
                        {
                            throw new ApplicationException("Could not add a -allDag callback");
                        }
                    }

                    if (parentAddedUsed)
                    {
                        addGenericCallback(dagPath, MDagMessage.DagMessage.kParentAdded, " parent added ");
                    }

                    if (parentRemovedUsed)
                    {
                        addGenericCallback(dagPath, MDagMessage.DagMessage.kParentRemoved, " parent removed ");
                    }

                    if (childAddedUsed)
                    {
                        addGenericCallback(dagPath, MDagMessage.DagMessage.kChildAdded, " child added ");
                    }

                    if (childRemovedUsed)
                    {
                        addGenericCallback(dagPath, MDagMessage.DagMessage.kChildRemoved, " child removed ");
                    }

                    if (childReorderedUsed)
                    {
                        addGenericCallback(dagPath, MDagMessage.DagMessage.kChildReordered, " child reordered ");
                    }
                }
            }

            return;
        }