add kanban

addons/kanban_tasks/data/layout.gd

@@ -0,0 +1,49 @@
+@tool
+extends "kanban_resource.gd"
+
+## Layout data.
+
+
+# Use `PackedStringArray` because nested typed collections are not supported.
+var columns: Array[PackedStringArray] = []:
+	get:
+		return columns.duplicate()
+	set(value):
+		columns = value
+		__notify_changed()
+
+
+func _init(p_columns: Array[PackedStringArray] = []) -> void:
+	columns = p_columns
+	super._init()
+
+
+func to_json() -> Dictionary:
+	var cols := []
+	for c in columns:
+		var col = []
+		for uuid in c:
+			col.append(uuid)
+		cols.append(col)
+	return {
+		"columns": cols,
+	}
+
+
+func from_json(json: Dictionary) -> void:
+	if json.has("columns"):
+		if json["columns"] is Array:
+			var cols: Array[PackedStringArray] = []
+			for c in json["columns"]:
+				var arr := PackedStringArray()
+				if c is Array:
+					for id in c:
+						arr.append(id)
+				else:
+					push_warning("Layout data is corrupted.")
+				cols.append(arr)
+			columns = cols
+		else:
+			push_warning("Layout data is corrupted.")
+	else:
+		push_warning("Loading incomplete json data which is missing a list of columns.")