[widgets] Implement library editor

Fixes #178

beat/editor/test/test_libraryeditor.py

@@ -30,10 +30,19 @@ from ..widgets.libraryeditor import LibraryEditor
 class TestLibraryEditor:
     """Test that the mock editor works correctly"""
 
-    def test_load_and_dump(self, qtbot):
-        reference_json = {"description": "test"}
+    def test_load_and_dump(self, qtbot, test_prefix):
+        reference_json = {"description": "test", "uses": {}}
         editor = LibraryEditor()
-
+        editor.set_prefix_root(test_prefix)
         editor.load_json(reference_json)
 
         assert editor.dump_json() == reference_json
+
+    def test_load_and_dump_wrong(self, qtbot, test_prefix):
+        faulty_json = {"description": "test", "uses": {"alias": "test/dummy/1"}}
+        reference_json = {"description": "test", "uses": {}}
+        editor = LibraryEditor()
+        editor.set_prefix_root(test_prefix)
+        editor.load_json(faulty_json)
+
+        assert editor.dump_json() == reference_json

beat/editor/widgets/assetwidget.py

@@ -232,6 +232,8 @@ class AssetWidget(QWidget):
         """Sets the root path of the prefix to edit"""
 
         self.prefix_root_path = prefix_root_path
+        for i in range(0, self.editors.count()):
+            self.editors.widget(i).set_prefix_root(prefix_root_path)
 
     def load_json(self, file_path):
         """ Load the content of the file given in parameter

beat/editor/widgets/editor.py

@@ -93,6 +93,15 @@ class AbstractAssetEditor(QWidget):
 
         self.title_label.setText(title)
 
+    def set_prefix_root(self, prefix):
+        """Set the prefix root path
+
+        Default: does nothing
+
+        :param prefix str: prefix path
+        """
+        pass
+
     def set_dataformat_model(self, model):
         """Sets the model used to get Dataformat informations"""
         raise NotImplementedError

beat/editor/widgets/libraryeditor.py

@@ -25,7 +25,11 @@
 
 from ..utils import frozen
 
+from ..backend.assetmodel import AssetType
+from ..backend.assetmodel import AssetModel
+
 from .editor import AbstractAssetEditor
+from .libraries import LibrariesWidget
 
 
 @frozen
@@ -35,10 +39,26 @@ class LibraryEditor(AbstractAssetEditor):
         self.setObjectName(self.__class__.__name__)
         self.set_title(self.tr("Library"))
 
+        self.library_model = AssetModel()
+        self.library_model.asset_type = AssetType.LIBRARY
+
+        self.libraries_widget = LibrariesWidget()
+        self.layout().addWidget(self.libraries_widget)
+
+        self.libraries_widget.dataChanged.connect(self.dataChanged)
+
+    def set_prefix_root(self, prefix):
+        """Re-impl"""
+
+        self.library_model.prefix_path = prefix
+
     def _load_json(self, json_object):
         """Load the json object passed as parameter"""
-        pass
+
+        self.libraries_widget.set_available_libraries(self.library_model.stringList())
+        self.libraries_widget.set_used_libraries(json_object.get("uses", {}))
 
     def _dump_json(self):
         """Returns the json representation of the asset"""
-        return {}
+
+        return {"uses": self.libraries_widget.get_used_libraries()}