class PredicateProperties |
|
|
A predicate is part of the RDF trinity: subject, predicate, object. It is identified by URI and it defines the type of the relationship. For file metadata, a predicate can be seen as a fieldname. It has a data type, a description, a short id, a cardinality
|
|
|
|
Get the attributes of this group (see Attributes) Returns the attributes |
|
|
Localized description of the predicate.
|
|
|
Key associated with this value.
|
|
|
|
Localized name of the predicate.
|
|
|
|
The type for this field.
|
|
Return a url that identifies the unit in which this property is expressed.
|
Addable | - | The item or group can be added by a user | |
Removable | - | It can be removed | |
Modifiable | - | The value can be edited ( no meaning for a group ) | |
Cumulative | - | Cumulative = 8, < If an application wants to display information for more than one file, it may add up the values for this item (e.g. play time of an mp3 file) | |
Averaged | - | Averaged = 16, < Similar to Cumulative, but the average should be calculated instead of the sum | |
MultiLine | - | MultiLine = 32, < This attribute says that a string item is likely to be more than one line long, so for editing, a widget capable for multline text should be used | |
SqueezeText | - | SqueezeText = 64 < If the text for this item is very long, it should be squeezed to the size of the widget where it's displayed |