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Document.h

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00001 /* 00002 * Copyright 2000 Murray Cumming 00003 * 00004 * This library is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU Library General Public 00006 * License as published by the Free Software Foundation; either 00007 * version 2 of the License, or (at your option) any later version. 00008 * 00009 * This library is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 * Library General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU Library General Public 00015 * License along with this library; if not, write to the Free 00016 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00017 */ 00018 00019 #ifndef BAKERY_DOCUMENT_H 00020 #define BAKERY_DOCUMENT_H 00021 00022 #include "bakery/View/View.h" 00023 #include <glibmm.h> 00024 00025 #include <iostream> 00026 00027 namespace Bakery 00028 { 00029 00034 class Document 00035 { 00036 public: 00037 Document(); 00038 virtual ~Document(); 00039 00040 /* Saves the data to disk. 00041 * Asks the View to update this document before saving to disk, 00042 * but you should probably ensure that the document is updated more regularly than this, 00043 * so that different parts of the GUI are synchronized. 00044 * Only saves if the document has been modified. 00045 * bool indicates success. 00046 */ 00047 virtual bool save(); 00048 00049 /* Loads data from disk, then asks the View to update itself. 00050 * bool indicates success. 00051 */ 00052 virtual bool load(); 00053 00054 virtual bool get_modified() const; 00055 virtual void set_modified(bool bVal = true); 00056 00058 virtual bool get_is_new() const; 00060 void set_is_new(bool bVal); 00061 00062 virtual Glib::ustring get_contents() const; 00063 virtual void set_contents(const Glib::ustring& strVal); 00064 00065 virtual Glib::ustring get_filepath() const; 00066 virtual void set_filepath(const Glib::ustring& strVal, bool bEnforceFileExtension = false); 00067 00069 virtual Glib::ustring get_name() const; 00070 static Glib::ustring util_filepath_get_name(const Glib::ustring& filePath); 00071 00072 virtual bool get_read_only() const; 00073 virtual void set_read_only(bool bVal); 00074 00076 virtual void set_view(ViewBase* pView); 00077 virtual ViewBase* get_view(); 00078 00079 virtual void set_file_extension(const Glib::ustring& strVal); 00080 virtual Glib::ustring get_file_extension() const; 00081 00082 //Signals 00083 typedef SigC::Signal0<void> type_signal_modified; 00084 type_signal_modified& signal_modified(); 00085 00087 00088 protected: 00092 virtual bool load_after(); 00093 00097 virtual bool save_before(); 00098 00099 virtual bool read_from_disk(); 00100 virtual bool write_to_disk(); 00101 00102 Glib::ustring m_strContents; 00103 Glib::ustring m_strFilePath; 00104 Glib::ustring m_strFileExtension; 00105 00106 ViewBase* m_pView; 00107 00108 type_signal_modified signal_modified_; 00109 00110 bool m_bModified; 00111 bool m_bIsNew; //see get_is_new(). 00112 bool m_bReadOnly; 00113 }; 00114 00115 } //namespace 00116 00117 #endif //GNOME_APPWITHDOCS_DOCUMENT_H

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