Have a file browser in each commit, which shows its content

file_browser.gd

@@ -1,34 +1,62 @@
 extends Control
 
+enum FileBrowserMode {
+	WORKING_DIRECTORY,
+	COMMIT,
+	INDEX
+}
+
+export(FileBrowserMode) var mode = FileBrowserMode.WORKING_DIRECTORY
+
 var shell
-var thread
+var commit setget _set_commit
 
 onready var grid = $Panel/Margin/Rows/Scroll/Grid
 
+func _ready():
+	update()
+
 func update():
-	for item in grid.get_children():
-		item.queue_free()
-	
-	var file_string = shell.run("find . -type f")
-	var files = file_string.split("\n")
-	files = Array(files)
-	# The last entry is an empty string, remove it.
-	files.pop_back()
-	files.sort_custom(self, "very_best_sort")
-	for file_path in files:
-		file_path = file_path.substr(2)
-		if file_path.substr(0, 5) == ".git/":
-			continue
-		var item = preload("res://file_browser_item.tscn").instance()
-		item.label = file_path
-		item.connect("clicked", self, "item_clicked")
-		grid.add_child(item)
-		#child.set_editable(0, true)
+	if grid:
+		for item in grid.get_children():
+			item.queue_free()
+		
+		match mode:
+			FileBrowserMode.WORKING_DIRECTORY:
+				if shell:
+					var file_string = shell.run("find . -type f")
+					var files = file_string.split("\n")
+					files = Array(files)
+					# The last entry is an empty string, remove it.
+					files.pop_back()
+					files.sort_custom(self, "very_best_sort")
+					for file_path in files:
+						file_path = file_path.substr(2)
+						if file_path.substr(0, 5) == ".git/":
+							continue
+						var item = preload("res://file_browser_item.tscn").instance()
+						item.label = file_path
+						item.connect("clicked", self, "item_clicked")
+						grid.add_child(item)
+			FileBrowserMode.COMMIT:
+				if commit:
+					var files = Array(commit.repository.shell.run("git ls-tree --name-only -r %s" % commit.id).split("\n"))
+					# The last entry is an empty string, remove it.
+					files.pop_back()
+					for file_path in files:
+						var item = preload("res://file_browser_item.tscn").instance()
+						item.label = file_path
+						item.connect("clicked", self, "item_clicked")
+						grid.add_child(item)
 
 func item_clicked(item):
 	var file_path = item.label
 	shell.run("'%s'/fake-editor-noblock '%s'" % [game.tmp_prefix_inside, file_path])
 
+func _set_commit(new_commit):
+	commit = new_commit
+	update()
+
 func very_best_sort(a,b):
 	# We're looking at the third character because all entries have the form
 	# "./.git/bla".

file_browser_item.tscn

@@ -8,7 +8,7 @@ anchor_right = 0.052
 anchor_bottom = 0.093
 margin_right = 100.16
 margin_bottom = -0.439995
-rect_min_size = Vector2( 200, 100 )
+rect_min_size = Vector2( 150, 100 )
 script = ExtResource( 2 )
 __meta__ = {
 "_edit_use_anchors_": false

node.gd

@@ -53,6 +53,8 @@ func content_set(new_content):
 
 func type_set(new_type):
 	type = new_type
+	if type == "commit":
+		$FileBrowser.commit = self
 	if type != "ref":
 		$ID.text = $ID.text.substr(0,8)
 	#elif type == "ref":
@@ -111,6 +113,7 @@ func _input(event):
 	if hovered:
 		if event.is_action_pressed("click"):
 			held = true
+			$FileBrowser.visible = not $FileBrowser.visible
 		elif event.is_action_pressed("right_click"):
 			var input = get_tree().get_current_scene().find_node("Input")
 			input.text += id

node.tscn

@@ -1,10 +1,11 @@
-[gd_scene load_steps=8 format=2]
+[gd_scene load_steps=9 format=2]
 
 [ext_resource path="res://node.gd" type="Script" id=1]
 [ext_resource path="res://fonts/default.tres" type="DynamicFont" id=2]
 [ext_resource path="res://nodes/blob.svg" type="Texture" id=3]
 [ext_resource path="res://nodes/pop.wav" type="AudioStream" id=4]
 [ext_resource path="res://drop_area.tscn" type="PackedScene" id=5]
+[ext_resource path="res://file_browser.tscn" type="PackedScene" id=6]
 
 [sub_resource type="CircleShape2D" id=1]
 radius = 23.6295
@@ -79,6 +80,16 @@ custom_colors/font_color = Color( 1, 1, 1, 1 )
 __meta__ = {
 "_edit_use_anchors_": false
 }
+
+[node name="FileBrowser" parent="." instance=ExtResource( 6 )]
+visible = false
+anchor_right = 0.0
+anchor_bottom = 0.0
+margin_left = 32.0
+margin_top = -25.0
+margin_right = 460.0
+margin_bottom = 93.0
+mode = 1
 [connection signal="mouse_entered" from="Rect" to="." method="_on_hover"]
 [connection signal="mouse_exited" from="Rect" to="." method="_on_unhover"]
 [connection signal="mouse_entered" from="Area2D" to="." method="_on_hover"]