[resources/widgets] refactored toolchain scene

beat/editor/widgets/toolchaineditor.py

@@ -74,7 +74,7 @@ from ..backend.assetmodel import AssetModel
 from ..decorators import frozen
 
 from .editor import AbstractAssetEditor
-from .drawing_space import DrawingSpace
+from .toolchainscene import ToolchainScene
 from ..backend.resourcemodels import AlgorithmResourceModel
 from ..backend.resourcemodels import DatasetResourceModel
 
@@ -1430,8 +1430,8 @@ class Toolchain(QWidget):
         if _file.open(QFile.ReadOnly | QIODevice.Text):
             config_data = json.loads(_file.readAll().data().decode("utf-8"))
 
-        self.scene_config = config_data["drawing_space_config"]
-        self.scene = DrawingSpace(self.scene_config)
+        self.scene_config = config_data["toolchainscene_config"]
+        self.scene = ToolchainScene(self.scene_config)
 
         self.block_config = config_data["block_config"]
         self.connection_config = config_data["connection_config"]

beat/editor/widgets/drawing_space.py → beat/editor/widgets/toolchainscene.py

@@ -29,7 +29,7 @@ from PyQt5.QtGui import QColor
 from PyQt5.QtGui import QPen
 
 
-class DrawingSpace(QGraphicsScene):
+class ToolchainScene(QGraphicsScene):
 
     """Playground scene for block objects"""
 
@@ -37,8 +37,22 @@ class DrawingSpace(QGraphicsScene):
 
         super().__init__()
 
-        self.grid_size = configuration["grid_size"]
-        self.grid_color = configuration["grid_color"]
+        self.grid_size = configuration.get("grid_size", 36)
+        self.grid_color = configuration.get("grid_color", [232, 232, 232, 255])
+
+        if not isinstance(self.grid_size, int):
+            raise TypeError(
+                self.tr("Grid size configuration has to be of type integer")
+            )
+
+        if not isinstance(self.grid_color, list):
+            raise TypeError(self.tr("Grid color configuration has to be of type list"))
+
+        if (
+            not all(isinstance(x, int) for x in self.grid_color)
+            or len(self.grid_color) != 4
+        ):
+            raise TypeError(self.tr("Invalid grid element types or unmatching size"))
 
     def drawBackground(self, painter, rect):
         """Background grid"""

resources/json/toolchain_style_config.json

 {
-	"drawing_space_config":{
+	"toolchainscene_config":{
 		"scene_width": 2000,
 		"scene_height": 2000,
 		"grid_size": 36,