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Add EAN barcode field to session metadata dialogue

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Add an EAN13MetadataField type to the session metadata dialogue, and use it for
entry of the EAN barcode in the 'album' tab.
This commit is contained in:
Colin Fletcher 2015-02-10 11:06:55 +00:00 committed by Robin Gareus
parent c625d7a637
commit 9d35a105bd
2 changed files with 115 additions and 1 deletions
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87
gtk2_ardour/session_metadata_dialog.cc
View File

@ -154,7 +154,7 @@ NumberMetadataField::load_data (ARDOUR::SessionMetadata const & data)
void
NumberMetadataField::update_value ()
{
// Accpt only numbers
// Accept only numbers that will fit into a uint32_t
uint32_t number = str_to_uint (entry->get_text());
_value = uint_to_str (number);
entry->set_text (_value);
@ -216,6 +216,88 @@ NumberMetadataField::str_to_uint (string const & str) const
}
/* EAN13MetadataField */
EAN13MetadataField::EAN13MetadataField (Getter getter, Setter setter, string const & field_name, guint width) :
MetadataField (field_name),
getter (getter),
setter (setter),
width (width)
{
entry = 0;
label = 0;
value_label = 0;
}
MetadataPtr
EAN13MetadataField::copy ()
{
return MetadataPtr (new EAN13MetadataField (getter, setter, _name, width));
}
void
EAN13MetadataField::save_data (ARDOUR::SessionMetadata & data) const
{
CALL_MEMBER_FN (data, setter) (_value);
}
void
EAN13MetadataField::load_data (ARDOUR::SessionMetadata const & data)
{
_value = CALL_MEMBER_FN (data, getter) ();
if (entry) {
entry->set_text (_value);
}
}
void
EAN13MetadataField::update_value ()
{
// Accept only numeric characters
_value = numeric_string (entry->get_text());
entry->set_text (_value);
}
Gtk::Widget &
EAN13MetadataField::name_widget ()
{
label = Gtk::manage (new Gtk::Label(_name + ':'));
label->set_alignment (1, 0.5);
return *label;
}
Gtk::Widget &
EAN13MetadataField::value_widget ()
{
value_label = Gtk::manage (new Gtk::Label(_value));
return *value_label;
}
Gtk::Widget &
EAN13MetadataField::edit_widget ()
{
entry = Gtk::manage (new Gtk::Entry());
entry->set_text (_value);
entry->set_width_chars (width);
entry->set_max_length (13);
entry->signal_changed().connect (sigc::mem_fun(*this, &EAN13MetadataField::update_value));
return *entry;
}
string
EAN13MetadataField::numeric_string (string const & str) const
{
string tmp (str);
string::size_type i;
while ((i = tmp.find_first_not_of("1234567890")) != string::npos) {
tmp.erase (i, 1);
}
return tmp;
}
/* SessionMetadataSet */
SessionMetadataSet::SessionMetadataSet (string const & name)
@ -609,6 +691,9 @@ SessionMetadataDialog<DataSet>::init_album_data ()
ptr = MetadataPtr (new TextMetadataField (&ARDOUR::SessionMetadata::isrc, &ARDOUR::SessionMetadata::set_isrc, _("ISRC")));
data_set->add_data_field (ptr);
ptr = MetadataPtr (new EAN13MetadataField (&ARDOUR::SessionMetadata::barcode, &ARDOUR::SessionMetadata::set_barcode, _("EAN barcode")));
data_set->add_data_field (ptr);
}
template <typename DataSet>

29
gtk2_ardour/session_metadata_dialog.h
View File

@ -120,6 +120,35 @@ class NumberMetadataField : public MetadataField {
guint width;
};
/// MetadataField that accepts EAN-13 data only
class EAN13MetadataField : public MetadataField {
private:
typedef std::string (ARDOUR::SessionMetadata::*Getter) () const;
typedef void (ARDOUR::SessionMetadata::*Setter) (std::string const &);
public:
EAN13MetadataField (Getter getter, Setter setter, std::string const & field_name, guint width = 13);
MetadataPtr copy ();
void save_data (ARDOUR::SessionMetadata & data) const;
void load_data (ARDOUR::SessionMetadata const & data);
Gtk::Widget & name_widget ();
Gtk::Widget & value_widget ();
Gtk::Widget & edit_widget ();
private:
void update_value ();
std::string numeric_string (std::string const & str) const;
Getter getter;
Setter setter;
Gtk::Label* label;
Gtk::Label* value_label;
Gtk::Entry* entry;
guint width;
};
/// Interface for MetadataFields
class SessionMetadataSet : public ARDOUR::SessionHandlePtr {
public: