gcp/document.h

00001 // -*- C++ -*-
00002 
00003 /* 
00004  * GChemPaint library
00005  * document.h 
00006  *
00007  * Copyright (C) 2001-2007 Jean Bréfort <jean.brefort@normalesup.org>
00008  *
00009  * This program is free software; you can redistribute it and/or 
00010  * modify it under the terms of the GNU General Public License as 
00011  * published by the Free Software Foundation; either version 2 of the
00012  * License, or (at your option) any later version.
00013  *
00014  * This program is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00016  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017  * GNU General Public License for more details.
00018  *
00019  * You should have received a copy of the GNU General Public License
00020  * along with this program; if not, write to the Free Software
00021  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
00022  * USA
00023  */
00024 
00025 #ifndef GCHEMPAINT_DOCUMENT_H
00026 #define GCHEMPAINT_DOCUMENT_H
00027 
00028 #include <list>
00029 #include <map>
00030 #include <set>
00031 #include <string>
00032 #include <libxml/tree.h>
00033 #include <gtk/gtk.h>
00034 #include <libgnomeprint/gnome-print.h>
00035 #include <gcu/document.h>
00036 #include <gcu/macros.h>
00037 #include "atom.h"
00038 #include "fragment.h"
00039 #include "bond.h"
00040 #include "molecule.h"
00041 #include "operation.h"
00042 
00043 namespace OpenBabel
00044 {
00045         class OBMol;
00046 }
00047 
00048 using namespace OpenBabel;
00049 using namespace std;
00050 
00051 namespace gcp {
00052 
00053 extern SignalId OnChangedSignal;
00054 extern SignalId OnDeleteSignal;
00055 extern SignalId OnThemeChangedSignal;
00056 
00057 class View;
00058 class Application;
00059 class Window;
00060 class Theme;
00061 
00062 class Document: public gcu::Document
00063 {
00064         //Constructor and destructor
00065 public:
00066         Document (Application *App, bool StandAlone, Window *window = NULL);
00067         virtual ~Document ();
00068         
00069         //Interface
00070 public:
00071         void Clear ();
00072         GtkWidget* GetWidget ();
00073         View* GetView () {return m_pView;}
00074         void BuildBondList (list<Bond*>& BondList, Object* obj);
00075         bool ImportOB (OBMol& Mol);
00076         void ExportOB ();
00077         void BuildAtomTable (map<string, unsigned>& AtomTable, Object* obj, unsigned& index);
00078         void Save ();
00079         virtual bool Load (xmlNodePtr);
00080         const gchar* GetTitle ();
00081         void SetTitle (const gchar* title);
00082         void SetLabel (const gchar* label);
00083         const gchar* GetLabel ();
00084         void SetFileName (string const &, const gchar *mime_type);
00085         const gchar* GetFileName () {return m_filename;}
00086         void Print (GnomePrintContext *pc, gdouble width, gdouble height);
00087         void AddObject (Object* pObject);
00088         void AddAtom (Atom* pAtom);
00089         void AddFragment (Fragment* pFragment);
00090         void AddBond (Bond* pBond);
00091         void ParseXMLTree (xmlDocPtr xml);
00092         void LoadObjects (xmlNodePtr node);
00093         xmlDocPtr BuildXMLTree ();
00094         void NotifyDirty (Bond* pBond) {m_DirtyObjects.insert (pBond);}
00095         void Update ();
00096         void Remove (Object*);
00097         void Remove (const char* Id);
00098         void OnProperties ();
00099         void OnUndo ();
00100         void OnRedo ();
00101         const GDate* GetCreationDate () {return &CreationDate;}
00102         const GDate* GetRevisionDate () {return &RevisionDate;}
00103         const gchar* GetAuthor () {return m_author;}
00104         const gchar* GetMail () {return m_mail;}
00105         const gchar* GetComment () {return m_comment;}
00106         void SetAuthor (const gchar* author);
00107         void SetMail (const gchar* mail);
00108         void SetComment (const gchar* comment);
00109         void FinishOperation ();
00110         void AbortOperation ();
00111         void PopOperation ();
00112         void PushOperation (Operation* operation, bool undo = true);
00113         void SetActive ();
00114         Operation* GetNewOperation (OperationType type);
00115         Operation* GetCurrentOperation () {return m_pCurOp;}
00116         void AddData (xmlNodePtr node);
00117         bool CanUndo () {return m_UndoList.size() > 0;}
00118         void SetEditable (bool editable) {m_bWriteable = editable; m_bUndoRedo = true;}
00119         bool GetEditable () {return m_bWriteable;}
00120         gcp::Application* GetApplication () {return m_pApp;}
00121         void ExportImage (string const &filename, const char* type, int resolution = -1);
00122         void SetReadOnly (bool ro);
00123         bool GetReadOnly () {return m_bReadOnly;}
00124         virtual double GetYAlign ();
00125         Window *GetWindow () {return m_Window;}
00126         void SetTheme (Theme *theme);
00127         bool OnSignal (SignalId Signal, Object *Child);
00128         void SetDirty (bool isDirty = true);
00129         void OnThemeNamesChanged ();
00130         double GetMedianBondLength ();
00131 
00132 private:
00133         void RemoveAtom (Atom* pAtom);
00134         void RemoveBond (Bond* pBond);
00135         void RemoveFragment (Fragment* pFragment);
00136 
00137         //Implementation
00138 private:
00139         View * m_pView;
00140         gchar* m_filename;
00141         gchar *m_title;
00142         gchar *m_label;
00143         gchar *m_comment, *m_author, *m_mail;
00144         set<Object*> m_DirtyObjects;
00145         bool m_bIsLoading, m_bUndoRedo, m_bReadOnly;
00146         string m_FileType;
00147         bool m_bWriteable;
00148         GDate CreationDate, RevisionDate;
00149         list<Operation*> m_UndoList, m_RedoList;
00150         Operation* m_pCurOp;
00151         Application* m_pApp;
00152         Window *m_Window;
00153         unsigned long m_OpID; // last operation ID
00154         unsigned m_LastStackSize; // undo list size when last saved
00155 
00156 /* Theme is not really a read only property, but we provide a special Set
00157 method */
00158 GCU_RO_PROP (Theme*, Theme)
00159 GCU_PROP (double, BondLength)
00160 GCU_PROP (double, BondAngle)
00161 GCU_PROP (double, ArrowLength)
00162 GCU_PROP (gchar*, TextFontFamily)
00163 GCU_PROP (PangoStyle, TextFontStyle)
00164 GCU_PROP (PangoWeight, TextFontWeight)
00165 GCU_PROP (PangoVariant, TextFontVariant)
00166 GCU_PROP (PangoStretch, TextFontStretch)
00167 GCU_PROP (gint, TextFontSize)
00168 GCU_RO_PROP (PangoAttrList*, PangoAttrList)
00169 GCU_PROP (bool, AllowClipboard)
00170 };
00171 
00172 extern list<Document*> Docs;
00173 extern bool bCloseAll;
00174 
00175 }       //      namespace gcp
00176 
00177 #endif // GCHEMPAINT_DOCUMENT_H

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