Flesh Out Navigation and Populate Screens with Data

1 files changed, 35 insertions, 5 deletions

diff --git a/Main.gd b/Main.gd
index 0a80683..1037b1d 100644
--- a/Main.gd
+++ b/Main.gd
@@ -3,14 +3,44 @@ extends Control
 onready var header_container = $"%HeaderContent"
 onready var body_container = $"%BodyContent"
 
-func nav_screen(new_screen):
+var nav_history = []
+class nav_history_item:
+	var screen_name
+	var data_model_type
+	var lookup_method
+	var lookup_args
+	func _init(screen_name, data_model_type, lookup_method, lookup_args):
+		self.screen_name = screen_name
+		self.data_model_type = data_model_type
+		self.lookup_method = lookup_method
+		self.lookup_args = lookup_args
+
+func nav_screen(screen_name, data_model_type, lookup_method, lookup_args):
+	var screen = nav_history_item.new(screen_name, data_model_type, lookup_method, lookup_args)
+	nav_history.push_back(screen)
+	swap_screen(screen)
+
+func nav_back():
+	if nav_history.size() > 1:
+		nav_history.pop_back()
+		swap_screen(nav_history[-1])
+
+func swap_screen(screen):
+	#queue cleanup of old screen
 	if header_container.get_child_count() > 0:
 		header_container.get_child(0).queue_free()
-	header_container.add_child(load("res://screens/"+new_screen+"/Header.tscn").instance())
 	if body_container.get_child_count() > 0:
 		body_container.get_child(0).queue_free()
-	body_container.add_child(load("res://screens/"+new_screen+"/Body.tscn").instance())
+	#load new screen
+	var header = load("res://screens/"+screen.screen_name+"/Header.tscn").instance()
+	var body = load("res://screens/"+screen.screen_name+"/Body.tscn").instance()
+	#load data
+	var data = screen.data_model_type.callv(screen.lookup_method,screen.lookup_args)
+	header.populate(data)
+	body.populate(data)
+	#set new screen
+	header_container.add_child(header)
+	body_container.add_child(body)
 
 func _ready():
-	nav_screen("TimeSlot")
-
+	nav_screen("TimeSlot", TimeSlot, "get_by_id", [2])