Split addon code up by purpose

blender_common.py

@@ -0,0 +1,91 @@
+# -*- coding: utf-8 -*-
+# This file is for code dealing specifically with blender
+
+import bpy
+from bpy.props import CollectionProperty
+from bpy.types import PropertyGroup, Panel, UIList, AddonPreferences, Operator
+from .subprocess_adapter import SubprocessOperatorMixin
+
+class RepositoryProperty(PropertyGroup):
+    url = bpy.props.StringProperty(name="URL")
+
+class PACKAGE_UL_repositories(UIList):
+    def draw_item(self, context, layout, data, item, icon, active_data, active_propname):
+        split = layout.split(0.3)
+        split.prop(item, "name")
+        split.prop(item, "url")
+
+    def invoke(self, onctext, event):
+        pass
+
+class PackagePreferences(AddonPreferences):
+    bl_idname = __package__
+
+    repositories = CollectionProperty(type=RepositoryProperty)
+    active_repository = bpy.props.IntProperty()
+
+    def draw(self, context):
+        layout = self.layout
+        row = layout.row()
+        row.template_list("PACKAGE_UL_repositories", "", self, "repositories", self, "active_repository")
+        col = row.column(align=True)
+        col.operator("package.add_repository", icon="ZOOMIN", text="")
+        col.operator("package.remove_repository", icon="ZOOMOUT", text="")
+
+class PACKAGE_OT_fetch(SubprocessOperatorMixin, bpy.types.Operator):
+    bl_idname = "package.fetch"
+    bl_label = "Update package list(s)"
+
+    last_response = None
+
+    def __init__(self):
+        super().__init__()
+        settings = bpy.context.window_manager.package_manager_settings
+        self.subprocess = Process(target=blenderpack.fetch, args=(settings.url, self.pipe))
+
+    def handle_response(self, resp):
+        self.__class__.last_response = resp
+        self.report({'INFO'}, "Request returned %s" % self.__class__.last_response)
+
+    def execute(self, context):
+        return {'FINISHED'}
+
+class PACKAGE_OT_add_repository(bpy.types.Operator):
+    bl_idname = "package.add_repository"
+    bl_label = "Add Repository"
+
+    def execute(self, context):
+        prefs = context.user_preferences.addons[__package__].preferences
+        prefs.repositories.add()
+        return {'FINISHED'}
+
+class PACKAGE_OT_remove_repository(bpy.types.Operator):
+    bl_idname = "package.remove_repository"
+    bl_label = "Remove Repository"
+
+    def execute(self, context):
+        prefs = context.user_preferences.addons[__package__].preferences
+        prefs.repositories.remove(prefs.active_repository)
+        return {'FINISHED'}
+
+
+def register():
+    bpy.utils.register_class(RepositoryProperty)
+    bpy.utils.register_class(PackagePreferences)
+
+    bpy.utils.register_class(PACKAGE_OT_fetch)
+
+    bpy.utils.register_class(PACKAGE_OT_add_repository)
+    bpy.utils.register_class(PACKAGE_OT_remove_repository)
+    bpy.utils.register_class(PACKAGE_UL_repositories)
+
+def unregister():
+    bpy.utils.unregister_class(RepositoryProperty)
+    bpy.utils.unregister_class(PackagePreferences)
+
+    bpy.utils.unregister_class(PACKAGE_OT_fetch)
+
+    bpy.utils.unregister_class(PACKAGE_OT_add_repository)
+    bpy.utils.unregister_class(PACKAGE_OT_remove_repository)
+    bpy.utils.unregister_class(PACKAGE_UL_repositories)
+