gtk2_ardour/session_metadata_dialog.h

   1 /*
   2     Copyright (C) 2008 Paul Davis
   3     Author: Sakari Bergen
   4
   5     This program is free software; you can redistribute it and/or modify it
   6     under the terms of the GNU General Public License as published by the Free
   7     Software Foundation; either version 2 of the License, or (at your option)
   8     any later version.
   9
  10     This program is distributed in the hope that it will be useful, but WITHOUT
  11     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13     for more details.
  14
  15     You should have received a copy of the GNU General Public License along
  16     with this program; if not, write to the Free Software Foundation, Inc.,
  17     675 Mass Ave, Cambridge, MA 02139, USA.
  18 */
  19
  20 #ifndef __session_metadata_dialog_h__
  21 #define __session_metadata_dialog_h__
  22
  23 #include "ardour_dialog.h"
  24
  25 #include <gtkmm.h>
  26 #include <boost/shared_ptr.hpp>
  27
  28 #include <string>
  29 #include <list>
  30
  31 #include "ardour/session_metadata.h"
  32
  33 class MetadataField;
  34 typedef boost::shared_ptr<MetadataField> MetadataPtr;
  35
  36 /// Wraps a metadata field to be used in a GUI
  37 class MetadataField {
  38   public:
  39         MetadataField (std::string const & field_name);
  40         virtual ~MetadataField();
  41         virtual MetadataPtr copy () = 0;
  42
  43         virtual void save_data (ARDOUR::SessionMetadata & data) const = 0;
  44         virtual void load_data (ARDOUR::SessionMetadata const & data) = 0;
  45
  46         virtual std::string name() { return _name; }
  47         virtual std::string value() { return _value; }
  48
  49         /// Get widget containing name of field
  50         virtual Gtk::Widget & name_widget () = 0;
  51         /// Get label containing value of field
  52         virtual Gtk::Widget & value_widget () = 0;
  53         /// Get widget for editing value
  54         virtual Gtk::Widget & edit_widget () = 0;
  55   protected:
  56         std::string _name;
  57         std::string _value;
  58 };
  59
  60 /// MetadataField that contains text
  61 class TextMetadataField : public MetadataField {
  62   private:
  63         typedef std::string (ARDOUR::SessionMetadata::*Getter) () const;
  64         typedef void (ARDOUR::SessionMetadata::*Setter) (std::string const &);
  65   public:
  66         TextMetadataField (Getter getter, Setter setter, std::string const & field_name, guint width = 50);
  67         MetadataPtr copy ();
  68
  69         void save_data (ARDOUR::SessionMetadata & data) const;
  70         void load_data (ARDOUR::SessionMetadata const & data);
  71
  72         Gtk::Widget & name_widget ();
  73         Gtk::Widget & value_widget ();
  74         Gtk::Widget & edit_widget ();
  75   private:
  76         void update_value ();
  77
  78         Getter getter;
  79         Setter setter;
  80
  81         Gtk::Label* label;
  82         Gtk::Label* value_label;
  83         Gtk::Entry* entry;
  84
  85         uint width;
  86 };
  87
  88 /// MetadataField that accepts only numbers
  89 class NumberMetadataField : public MetadataField {
  90   private:
  91         typedef uint32_t (ARDOUR::SessionMetadata::*Getter) () const;
  92         typedef void (ARDOUR::SessionMetadata::*Setter) (uint32_t);
  93   public:
  94         NumberMetadataField (Getter getter, Setter setter, std::string const & field_name, guint numbers, guint width = 50);
  95         MetadataPtr copy ();
  96
  97         void save_data (ARDOUR::SessionMetadata & data) const;
  98         void load_data (ARDOUR::SessionMetadata const & data);
  99
 100         Gtk::Widget & name_widget ();
 101         Gtk::Widget & value_widget ();
 102         Gtk::Widget & edit_widget ();
 103   private:
 104         void update_value ();
 105         std::string uint_to_str (uint32_t i) const;
 106         uint32_t str_to_uint (std::string const & str) const;
 107
 108         Getter getter;
 109         Setter setter;
 110
 111         Gtk::Label* label;
 112         Gtk::Label* value_label;
 113         Gtk::Entry* entry;
 114
 115         guint numbers;
 116         guint width;
 117 };
 118
 119 /// Interface for MetadataFields
 120 class SessionMetadataSet : public ARDOUR::SessionHandlePtr {
 121   public:
 122         SessionMetadataSet (std::string const & name);
 123         virtual ~SessionMetadataSet () {};
 124
 125         void add_data_field (MetadataPtr field);
 126
 127         /// allows loading extra data into data sets (for importing etc.)
 128         virtual void load_extra_data (ARDOUR::SessionMetadata const & /*data*/) { }
 129         /// Saves data to session
 130         virtual void save_data () = 0;
 131
 132         virtual Gtk::Widget & get_widget () = 0;
 133         virtual Gtk::Widget & get_tab_widget () = 0;
 134
 135   protected:
 136         typedef std::list<MetadataPtr> DataList;
 137         DataList list;
 138         std::string name;
 139 };
 140
 141 /// Contains MetadataFields for editing
 142 class SessionMetadataSetEditable : public SessionMetadataSet {
 143   public:
 144         SessionMetadataSetEditable (std::string const & name);
 145
 146         Gtk::Widget & get_widget () { return vbox; }
 147         Gtk::Widget & get_tab_widget ();
 148
 149         /// Sets session and loads data
 150         void set_session (ARDOUR::Session * s);
 151         /// Saves from MetadataFields into data
 152         void save_data ();
 153
 154   private:
 155         Gtk::VBox vbox;
 156         Gtk::Table table;
 157         Gtk::Label tab_widget;
 158 };
 159
 160 /// Contains MetadataFields for importing
 161 class SessionMetadataSetImportable : public SessionMetadataSet {
 162   public:
 163         SessionMetadataSetImportable (std::string const & name);
 164
 165         Gtk::Widget & get_widget () { return tree_view; }
 166         Gtk::Widget & get_tab_widget ();
 167         Gtk::Widget & get_select_all_widget ();
 168
 169         /// Loads importable data from data
 170         void load_extra_data (ARDOUR::SessionMetadata const & data);
 171         /// Saves from importable data (see load_data) to session_data
 172         void save_data ();
 173
 174   private:
 175         DataList & session_list; // References MetadataSet::list
 176         DataList import_list;
 177
 178         struct Columns : public Gtk::TreeModel::ColumnRecord
 179         {
 180           public:
 181                 Gtk::TreeModelColumn<std::string>     field;
 182                 Gtk::TreeModelColumn<std::string>     values;
 183                 Gtk::TreeModelColumn<bool>        import;
 184                 Gtk::TreeModelColumn<MetadataPtr> data;
 185
 186                 Columns() { add (field); add (values); add (import); add (data); }
 187         };
 188
 189         Glib::RefPtr<Gtk::ListStore>  tree;
 190         Columns                       tree_cols;
 191         Gtk::TreeView                 tree_view;
 192
 193         Gtk::Label                    tab_widget;
 194         Gtk::CheckButton              select_all_check;
 195
 196         void select_all ();
 197         void selection_changed (std::string const & path);
 198 };
 199
 200 /// Metadata dialog interface
 201 /**
 202  * The DataSets are initalized in this class so that all
 203  * Dialogs have the same sets of data in the same order.
 204  */
 205 template <typename DataSet>
 206 class SessionMetadataDialog : public ArdourDialog
 207 {
 208   public:
 209         SessionMetadataDialog (std::string const & name);
 210
 211   protected:
 212         void init_data ();
 213         void load_extra_data (ARDOUR::SessionMetadata const & data);
 214         void save_data ();
 215
 216         virtual void init_gui () = 0;
 217         virtual void save_and_close ();
 218         virtual void end_dialog ();
 219
 220         void warn_user (std::string const & string);
 221
 222         typedef std::list<Gtk::Widget *> WidgetList;
 223         typedef boost::shared_ptr<WidgetList> WidgetListPtr;
 224         typedef Gtk::Widget & (DataSet::*WidgetFunc) ();
 225
 226         /// Returns list of widgets gathered by calling f for each data set
 227         WidgetListPtr get_custom_widgets (WidgetFunc f);
 228
 229         /// Adds a widget to the table (vertical stacking) with automatic spacing
 230         void add_widget (Gtk::Widget & widget);
 231
 232         Gtk::Notebook     notebook;
 233
 234   private:
 235         void init_track_data ();
 236         void init_album_data ();
 237         void init_people_data ();
 238
 239         typedef boost::shared_ptr<SessionMetadataSet> DataSetPtr;
 240         typedef std::list<DataSetPtr> DataSetList;
 241         DataSetList data_list;
 242
 243         Gtk::Button *     save_button;
 244         Gtk::Button *     cancel_button;
 245 };
 246
 247 class SessionMetadataEditor : public SessionMetadataDialog<SessionMetadataSetEditable> {
 248   public:
 249         SessionMetadataEditor ();
 250         ~SessionMetadataEditor ();
 251         void run ();
 252   private:
 253         void init_gui ();
 254 };
 255
 256 class SessionMetadataImporter : public SessionMetadataDialog<SessionMetadataSetImportable> {
 257   public:
 258         SessionMetadataImporter ();
 259         ~SessionMetadataImporter ();
 260         void run ();
 261
 262   private:
 263         void init_gui ();
 264
 265         // Select all from -widget
 266         Gtk::HBox    selection_hbox;
 267         Gtk::Label   selection_label;
 268
 269 };
 270
 271 #endif