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0001 // Created on: 1995-03-14
0002 // Created by: Christian CAILLET
0003 // Copyright (c) 1995-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016 
0017 #ifndef _XSDRAW_HeaderFile
0018 #define _XSDRAW_HeaderFile
0019 
0020 #include <Standard.hxx>
0021 #include <Standard_Handle.hxx>
0022 
0023 #include <Draw_Interpretor.hxx>
0024 #include <TColStd_HSequenceOfTransient.hxx>
0025 #include <XSControl_WorkSession.hxx>
0026 #include <TopTools_HSequenceOfShape.hxx>
0027 class IFSelect_SessionPilot;
0028 class XSControl_WorkSession;
0029 class XSControl_Controller;
0030 class Interface_Protocol;
0031 class Interface_InterfaceModel;
0032 class Standard_Transient;
0033 class Transfer_TransientProcess;
0034 class Transfer_FinderProcess;
0035 class XSControl_TransferReader;
0036 class TCollection_AsciiString;
0037 class TDocStd_Document;
0038 
0039 
0040 //! Basic package to work functions of X-STEP (IFSelect & Co)
0041 //! under control of DRAW
0042 //!
0043 //! Works with some "static" data : a SessionPilot (used to run)
0044 //! with its WorkSession and Model and TransferReader, a
0045 //! FinderProcess
0046 class XSDRAW 
0047 {
0048  public:
0049 
0050   //! Takes variables to/from the DRAW session
0051   //! Implements ProgressIndicator for DRAW
0052   //! Changes the name under which a command of xstep is known by
0053   //! Draw. This allows to avoid collisions
0054   //! To be called before LoadDraw or any other xstep initialisation
0055   Standard_EXPORT static void ChangeCommand (const Standard_CString oldname, const Standard_CString newname);
0056   
0057   //! Removes a command from the interpretation list of Draw
0058   //! To be called before LoadDraw or any other xstep initialisation
0059   Standard_EXPORT static void RemoveCommand (const Standard_CString oldname);
0060   
0061   //! Defines the basic context to work with a X-STEP Session :
0062   //! it performs the basic inits, also records the Controller
0063   //! If the Controller is not yet set, it must be set after
0064   //! (call to SetController)
0065   //! LoadSession is called by LoadDraw
0066   //! Returns True the first time, False if already called
0067   Standard_EXPORT static Standard_Boolean LoadSession();
0068   
0069   //! Defines the context for using a X-STEP Session under DRAW
0070   //! Once the various INITs have been done, a call to LoadDraw
0071   //! records the defined commands for the X-STEP SessionPilot,
0072   //! into the DRAW interpretation list.
0073   //! "Set" commands are accessed under command xset
0074   //! SDS>xset name command ...
0075   //! Other commands can be accessed directly or under command xstep
0076   //! SDS>command ...  and  SDS>xstep command ...  are equivalent
0077   //!
0078   //! Only the command xinit is accessed directly only :
0079   //! SDS>xinit  (from the already defined Controller)
0080   //! SDS>xinit iges  (first defines the Controller as for "iges")
0081   //!
0082   //! It also records the function to be called by DRAW (not
0083   //! declared because specific).
0084   //! And it defines the context variables, i.e. a WorkSession, then
0085   //! it calls SetController with the currently defined Controller
0086   //! Remark : at least, the standard commands are recorded
0087   //!
0088   //! See also Controller : it is part of the Context, but it must
0089   //! be precised separately
0090   Standard_EXPORT static void LoadDraw (Draw_Interpretor& theCommands);
0091   
0092   //! Allows to execute a xstep-draw command from C++ program
0093   //! Fixed form :  Execute("command args...");
0094   //! Form with a variable text part : add %s for the variable :
0095   //! Execute ("command args %s args..",var)  [var is a CString]
0096   //! Returns the same value as returned by call from DRAW
0097   Standard_EXPORT static Standard_Integer Execute (const Standard_CString command, const Standard_CString var = "");
0098   
0099   //! Returns the SessionPilot (can be used for direct call)
0100   Standard_EXPORT static Handle(IFSelect_SessionPilot) Pilot();
0101 
0102   //! Updates the WorkSession defined in AddDraw (through Pilot)
0103   //! It is from XSControl, it brings functionalities for Transfers
0104   Standard_EXPORT static void SetSession(const Handle(XSControl_WorkSession)& theSession);
0105   
0106   //! Returns the WorkSession defined in AddDraw (through Pilot)
0107   //! It is from XSControl, it brings functionalities for Transfers
0108   Standard_EXPORT static const Handle(XSControl_WorkSession) Session();
0109   
0110   //! Defines a Controller for the command "xinit" and applies it
0111   //! (i.e. calls its method Customise)
0112   Standard_EXPORT static void SetController (const Handle(XSControl_Controller)& control);
0113   
0114   //! Returns the Controller, a Null Handle if not yet defined
0115   Standard_EXPORT static Handle(XSControl_Controller) Controller();
0116   
0117   //! Sets a norm by its name (controller recorded as <normname> )
0118   //! Returns True if done, False if this norm is unknown
0119   Standard_EXPORT static Standard_Boolean SetNorm (const Standard_CString normname);
0120   
0121   //! Returns the actually defined Protocol
0122   Standard_EXPORT static Handle(Interface_Protocol) Protocol();
0123   
0124   //! Returns the Model of the Session (it is Session()->Model() )
0125   Standard_EXPORT static Handle(Interface_InterfaceModel) Model();
0126   
0127   //! Sets a Model in session (it is Session()->SetModel(model) )
0128   //! If <file> is defined, SetLoadedFile is also done
0129   Standard_EXPORT static void SetModel (const Handle(Interface_InterfaceModel)& model, const Standard_CString file = "");
0130   
0131   //! Produces a new model (from the Controller), can be Null
0132   //! Does not set it in the session
0133   Standard_EXPORT static Handle(Interface_InterfaceModel) NewModel();
0134   
0135   //! Returns the entity n0 <num> of the Model of the Session
0136   //! (it is StartingEntity)
0137   //! Null Handle if <num> is not suitable
0138   Standard_EXPORT static Handle(Standard_Transient) Entity (const Standard_Integer num);
0139   
0140   //! Returns the number of an entity in the Model (StartingNumber)
0141   //! 0 if <ent> unknown in the model, or null
0142   Standard_EXPORT static Standard_Integer Number (const Handle(Standard_Transient)& ent);
0143   
0144   //! Sets a TransferProcess in order to analyse it (see Activator)
0145   //! It can be either a FinderProcess or a TransientProcess, in
0146   //! that case a new TransferReader is created on it
0147   Standard_EXPORT static void SetTransferProcess (const Handle(Standard_Transient)& TP);
0148   
0149   //! Returns the TransferProcess : TransientProcess detained by
0150   //! the TransferReader
0151   Standard_EXPORT static Handle(Transfer_TransientProcess) TransientProcess();
0152   
0153   //! Returns the FinderProcess, detained by the TransferWriter
0154   Standard_EXPORT static Handle(Transfer_FinderProcess) FinderProcess();
0155   
0156   //! Initialises a TransferReader, according to mode :
0157   //! 0 nullifies it,  1 clears it (not nullify)
0158   //! 2 sets it with TransientProcess & Model
0159   //! 3 idem plus roots of TransientProcess
0160   //! Remark : called with 0 at least at each SetModel/NewModel
0161   Standard_EXPORT static void InitTransferReader (const Standard_Integer mode);
0162   
0163   //! Returns the current TransferReader, can be null
0164   //! It detains the TransientProcess
0165   Standard_EXPORT static Handle(XSControl_TransferReader) TransferReader();
0166   
0167   //! Takes the name of an entity, either as argument, or (if <name>
0168   //! is empty) on keyboard, and returns the entity
0169   //! name can be a label or a number (in alphanumeric), it is
0170   //! searched by NumberFromLabel from WorkSession.
0171   //! If <name> doesn't match en entity, a Null Handle is returned
0172   Standard_EXPORT static Handle(Standard_Transient) GetEntity (const Standard_CString name = "");
0173   
0174   //! Same as GetEntity, but returns the number in the model of the
0175   //! entity. Returns 0 for null handle
0176   Standard_EXPORT static Standard_Integer GetEntityNumber (const Standard_CString name = "");
0177   
0178   //! Evaluates and returns a list of entity, from :
0179   //! keyboard if <first> and <second> are empty, see below
0180   //! first if second is empty : can be a number/label of an entity
0181   //! or the name of a selection to be evaluated (standard)
0182   //! first : name of a selection, evaluated from a list defined by
0183   //! second
0184   //! In case of failure, returns a Null Handle
0185   Standard_EXPORT static Handle(TColStd_HSequenceOfTransient) GetList (const Standard_CString first = "", const Standard_CString second = "");
0186   
0187   //! Analyses given file name and variable name, with a default
0188   //! name for variables. Returns resulting file name and variable
0189   //! name plus status "file to read"(True) or "already read"(False)
0190   //! In the latter case, empty resfile means no file available
0191   //!
0192   //! If <file> is null or empty or equates ".", considers Session
0193   //! and returned status is False
0194   //! Else, returns resfile = file and status is True
0195   //! If <var> is neither null nor empty, resvar = var
0196   //! Else, the root part of <resfile> is considered, if defined
0197   //! Else, <def> is taken
0198   Standard_EXPORT static Standard_Boolean FileAndVar (const Standard_CString file, const Standard_CString var, const Standard_CString def, TCollection_AsciiString& resfile, TCollection_AsciiString& resvar);
0199   
0200   //! Analyses a name as designating Shapes from DRAW variables or
0201   //! XSTEP transfer (last Transfer on Reading). <name> can be :
0202   //! "*" : all the root shapes produced by last Transfer (Read)
0203   //! i.e. considers roots of the TransientProcess
0204   //! a name : a name of a variable DRAW
0205   //!
0206   //! Returns the count of designated Shapes. Their list is put in
0207   //! <list>. If <list> is null, it is firstly created. Then it is
0208   //! completed (Append without Clear) by the Shapes found
0209   //! Returns 0 if no Shape could be found
0210   Standard_EXPORT static Standard_Integer MoreShapes (Handle(TopTools_HSequenceOfShape)& list, const Standard_CString name);
0211 
0212   //! Extracts length unit from the static interface or document.
0213   //! Document unit has the highest priority.
0214   //! @return length unit in MM. 1.0 by default
0215   Standard_EXPORT static Standard_Real GetLengthUnit(const Handle(TDocStd_Document)& theDoc = nullptr);
0216 
0217   //! Returns avaliable work sessions with their associated files.
0218   Standard_EXPORT static XSControl_WorkSessionMap& WorkSessionList();
0219 
0220   //! Binds session and name into map recursively.
0221   //! Recursively means extract sub-sessions from main session.
0222   //! @param[in] theWS the session object
0223   //! @param[in] theName the session file name
0224   //! @param[out] theMap collection to keep session info
0225   Standard_EXPORT static void CollectActiveWorkSessions(const Handle(XSControl_WorkSession)& theWS,
0226                                                         const TCollection_AsciiString& theName,
0227                                                         XSControl_WorkSessionMap& theMap);
0228 
0229   //! Binds current session with input name.
0230   //! @param[in] theName the session file name
0231   Standard_EXPORT static void CollectActiveWorkSessions(const TCollection_AsciiString& theName);
0232 
0233   //! Loads all Draw commands of XSDRAW. Used for plugin.
0234   Standard_EXPORT static void Factory(Draw_Interpretor& theDI);
0235 };
0236 
0237 #endif // _XSDRAW_HeaderFile