FreeCAD/src/App/Document.h

365 lines
15 KiB
C++

/***************************************************************************
* Copyright (c) Jürgen Riegel (juergen.riegel@web.de) 2002 *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#ifndef APP_DOCUMENT_H
#define APP_DOCUMENT_H
#include <CXX/Objects.hxx>
#include <Base/Observer.h>
#include <Base/Persistence.h>
#include <Base/Type.h>
#include "PropertyContainer.h"
#include "PropertyStandard.h"
#include "PropertyLinks.h"
#include <map>
#include <vector>
#include <stack>
#include <boost/signals.hpp>
#include <boost/graph/adjacency_list.hpp>
namespace Base {
class Writer;
}
namespace App
{
class DocumentObject;
class DocumentObjectExecReturn;
class Document;
class DocumentPy; // the python document class
class Application;
class Transaction;
}
namespace App
{
/// The document class
class AppExport Document : public App::PropertyContainer
{
PROPERTY_HEADER(App::Document);
public:
/** @name Properties */
//@{
/// holds the long name of the document (utf-8 coded)
PropertyString Label;
/// full qualified (with path) file name (utf-8 coded)
PropertyString FileName;
/// creators name (utf-8)
PropertyString CreatedBy;
PropertyString CreationDate;
/// user last modified the document
PropertyString LastModifiedBy;
PropertyString LastModifiedDate;
/// company name UTF8(optional)
PropertyString Company;
/// long comment or description (UTF8 with line breaks)
PropertyString Comment;
/// Id e.g. Part number
PropertyString Id;
/// unique identifier of the document
PropertyUUID Uid;
/** License string
* Holds the short license string for the Item, e.g. CC-BY
* for the Creative Commons license suit.
*/
App::PropertyString License;
/// License descripton/contract URL
App::PropertyString LicenseURL;
/// Meta descriptons
App::PropertyMap Meta;
/// Material descriptons, used and defined in the Material module.
App::PropertyMap Material;
/// read-only name of the temp dir created wen the document is opened
PropertyString TransientDir;
/// Tip object of the document (if any)
PropertyLink Tip;
/// Tip object of the document (if any)
PropertyString TipName;
//@}
/** @name Signals of the document */
//@{
/// signal on new Object
boost::signal<void (const App::DocumentObject&)> signalNewObject;
//boost::signal<void (const App::DocumentObject&)> m_sig;
/// signal on deleted Object
boost::signal<void (const App::DocumentObject&)> signalDeletedObject;
/// signal on changed Object
boost::signal<void (const App::DocumentObject&, const App::Property&)> signalChangedObject;
/// signal on relabeled Object
boost::signal<void (const App::DocumentObject&)> signalRelabelObject;
/// signal on activated Object
boost::signal<void (const App::DocumentObject&)> signalActivatedObject;
/// signal on undo
boost::signal<void (const App::Document&)> signalUndo;
/// signal on redo
boost::signal<void (const App::Document&)> signalRedo;
/** signal on load/save document
* this signal is given when the document gets streamed.
* you can use this hook to write additional information in
* the file (like the Gui::Document it does).
*/
boost::signal<void (Base::Writer &)> signalSaveDocument;
boost::signal<void (Base::XMLReader&)> signalRestoreDocument;
boost::signal<void (const std::vector<App::DocumentObject*>&,
Base::Writer &)> signalExportObjects;
boost::signal<void (const std::vector<App::DocumentObject*>&,
Base::Writer &)> signalExportViewObjects;
boost::signal<void (const std::vector<App::DocumentObject*>&,
Base::XMLReader&)> signalImportObjects;
boost::signal<void (const std::vector<App::DocumentObject*>&, Base::Reader&,
const std::map<std::string, std::string>&)> signalImportViewObjects;
boost::signal<void (const App::Document&)> signalRecomputed;
//@}
/** @name File handling of the document */
//@{
/// Save the Document under a new Name
//void saveAs (const char* Name);
/// Save the document to the file in Property Path
bool save (void);
bool saveAs(const char* file);
bool saveCopy(const char* file);
/// Restore the document from the file in Property Path
void restore (void);
void exportObjects(const std::vector<App::DocumentObject*>&, std::ostream&);
void exportGraphviz(std::ostream&) const;
std::vector<App::DocumentObject*> importObjects(Base::XMLReader& reader);
/// Opens the document from its file name
//void open (void);
/// Is the document already saved to a file
bool isSaved() const;
/// Get the document name
const char* getName() const;
//@}
virtual void Save (Base::Writer &writer) const;
virtual void Restore(Base::XMLReader &reader);
/// returns the complet document mermory consumption, including all managed DocObjects and Undo Redo.
unsigned int getMemSize (void) const;
/** @name Object handling */
//@{
/** Add a feature of sType with sName (ASCII) to this document and set it active.
* Unicode names are set through the Label property.
*/
DocumentObject *addObject(const char* sType, const char* pObjectName=0);
/** Add an existing feature with sName (ASCII) to this document and set it active.
* Unicode names are set through the Label property.
* This is an overloaded function of the function above and can be used to create
* a feature outside and add it to the document afterwards.
* \note The passed feature must not yet be added to a document, otherwise an exception
* is raisedd.
*/
void addObject(DocumentObject*, const char* pObjectName=0);
/// Remove a feature out of the document
void remObject(const char* sName);
/** Copy an object from another document to this document
* If \a recursive is true then all objects this object depends on
* are copied as well. By default \a recursive is false.
* Returns the copy of the object or 0 if the creation failed.
*/
DocumentObject* copyObject(DocumentObject* obj, bool recursive=false);
/** Move an object from another document to this document
* If \a recursive is true then all objects this object depends on
* are moved as well. By default \a recursive is false.
* Returns the moved object itself or 0 if the object is already part of this
* document..
*/
DocumentObject* moveObject(DocumentObject* obj, bool recursive=false);
/// Returns the active Object of this document
DocumentObject *getActiveObject(void) const;
/// Returns a Object of this document
DocumentObject *getObject(const char *Name) const;
/// Returns true if the DocumentObject is contained in this document
const bool isIn(const DocumentObject *pFeat) const;
/// Returns a Name of an Object or 0
const char *getObjectName(DocumentObject *pFeat) const;
/// Returns a Name of an Object or 0
std::string getUniqueObjectName(const char *Name) const;
/// Returns a name of the form prefix_number. d specifies the number of digits.
std::string getStandardObjectName(const char *Name, int d) const;
/// Returns a list of all Objects
std::vector<DocumentObject*> getObjects() const;
std::vector<DocumentObject*> getObjectsOfType(const Base::Type& typeId) const;
std::vector<DocumentObject*> findObjects(const Base::Type& typeId, const char* objname) const;
/// Returns an array with the correct types already.
template<typename T> inline std::vector<T*> getObjectsOfType() const;
int countObjectsOfType(const Base::Type& typeId) const;
/// get the number of objects in the document
int countObjects(void) const;
//@}
/** @name methods for modification and state handling
*/
//@{
/// Remove all modifications. After this call The document becomes again Valid.
void purgeTouched();
/// check if there is any touched object in this document
bool isTouched(void) const;
/// returns all touched objects
std::vector<App::DocumentObject *> getTouched(void) const;
/// set the document to be closable, this is on by default.
void setClosable(bool);
/// check whether the document can be closed
bool isClosable() const;
/// Recompute all touched features
void recompute();
/// Recompute only one feature
void recomputeFeature(DocumentObject* Feat);
/// get the error log from the recompute run
const std::vector<App::DocumentObjectExecReturn*> &getRecomputeLog(void)const{return _RecomputeLog;}
/// get the text of the error of a spezified object
const char* getErrorDescription(const App::DocumentObject*) const;
//@}
/** @name methods for the UNDO REDO and Transaction handling */
//@{
/// switch the level of Undo/Redo
void setUndoMode(int iMode);
/// switch the level of Undo/Redo
int getUndoMode(void) const;
/// switch the tranaction mode
void setTransactionMode(int iMode);
/// Open a new command Undo/Redo, an UTF-8 name can be specified
void openTransaction(const char* name=0);
// Commit the Command transaction. Do nothing If there is no Command transaction open.
void commitTransaction();
/// Abort the actually running transaction.
void abortTransaction();
/// Check if a transaction is open
bool hasPendingTransaction() const;
/// Set the Undo limit in Byte!
void setUndoLimit(unsigned int UndoMemSize=0);
/// Returns the actual memory consumption of the Undo redo stuff.
unsigned int getUndoMemSize (void) const;
/// Set the Undo limit as stack size
void setMaxUndoStackSize(unsigned int UndoMaxStackSize=20);
/// Set the Undo limit as stack size
unsigned int getMaxUndoStackSize(void)const;
/// Remove all stored Undos and Redos
void clearUndos();
/// Returns the number of stored Undos. If greater than 0 Undo will be effective.
int getAvailableUndos() const;
/// Returns a list of the Undo names
std::vector<std::string> getAvailableUndoNames() const;
/// Will UNDO one step, returns False if no undo was done (Undos == 0).
bool undo();
/// Returns the number of stored Redos. If greater than 0 Redo will be effective.
int getAvailableRedos() const;
/// Returns a list of the Redo names.
std::vector<std::string> getAvailableRedoNames() const;
/// Will REDO one step, returns False if no redo was done (Redos == 0).
bool redo() ;
//@}
/** @name dependency stuff */
//@{
/// write GraphViz file
void writeDependencyGraphViz(std::ostream &out);
/// checks if the graph is directed and has no cycles
bool checkOnCycle(void);
/// get a list of all objects linking to the given object
std::vector<App::DocumentObject*> getInList(const DocumentObject* me) const;
/// Get a complete list of all objects the given objects depend on. The list
/// also contains the given objects!
std::vector<App::DocumentObject*> getDependencyList
(const std::vector<App::DocumentObject*>&) const;
// set Changed
//void setChanged(DocumentObject* change);
//@}
/// Function called to signal that an object identifier has been renamed
void renameObjectIdentifiers(const std::map<App::ObjectIdentifier, App::ObjectIdentifier> & paths);
virtual PyObject *getPyObject(void);
friend class Application;
/// because of transaction handling
friend class DocumentObject;
friend class Transaction;
friend class TransactionObject;
/// Destruction
virtual ~Document();
protected:
/// Construction
Document(void);
void _remObject(DocumentObject* pcObject);
void _addObject(DocumentObject* pcObject, const char* pObjectName);
/// checks if a valid transaction is open
void _checkTransaction(DocumentObject* pcObject);
void breakDependency(DocumentObject* pcObject, bool clear);
std::vector<App::DocumentObject*> readObjects(Base::XMLReader& reader);
void writeObjects(const std::vector<App::DocumentObject*>&, Base::Writer &writer) const;
void onChanged(const Property* prop);
/// callback from the Document objects before property will be changed
void onBeforeChangeProperty(const DocumentObject *Who, const Property *What);
/// callback from the Document objects after property was changed
void onChangedProperty(const DocumentObject *Who, const Property *What);
/// helper which Recompute only this feature
bool _recomputeFeature(DocumentObject* Feat);
void _clearRedos();
/// refresh the internal dependency graph
void _rebuildDependencyList(void);
std::string getTransientDirectoryName(const std::string& uuid, const std::string& filename) const;
private:
// # Data Member of the document +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
std::list<Transaction*> mUndoTransactions;
std::list<Transaction*> mRedoTransactions;
// recompute log
std::vector<App::DocumentObjectExecReturn*> _RecomputeLog;
// pointer to the python class
Py::Object DocumentPythonObject;
struct DocumentP* d;
};
template<typename T>
inline std::vector<T*> Document::getObjectsOfType() const
{
std::vector<T*> type;
std::vector<App::DocumentObject*> obj = this->getObjectsOfType(T::getClassTypeId());
type.reserve(obj.size());
for (std::vector<App::DocumentObject*>::iterator it = obj.begin(); it != obj.end(); ++it)
type.push_back(static_cast<T*>(*it));
return type;
}
} //namespace App
#endif // APP_DOCUMENT_H