Loading palettes from json file in user folder

Assets/Graphics/Palette/default_palette.json

@@ -0,0 +1,37 @@
+{
+  "name": "Default",
+  "colors" : [
+    { "data" : "#FF000000", "name" : "no name" },
+    { "data" : "#FF222034", "name" : "no name" },
+    { "data" : "#FF45283c", "name" : "no name" },
+    { "data" : "#FF663931", "name" : "no name" },
+    { "data" : "#FF8f563b", "name" : "no name" },
+    { "data" : "#FFdf7126", "name" : "no name" },
+    { "data" : "#FFd9a066", "name" : "no name" },
+    { "data" : "#FFeec39a", "name" : "no name" },
+    { "data" : "#FFfbf236", "name" : "no name" },
+    { "data" : "#FF99e550", "name" : "no name" },
+    { "data" : "#FF6abe30", "name" : "no name" },
+    { "data" : "#FF37946e", "name" : "no name" },
+    { "data" : "#FF4b692f", "name" : "no name" },
+    { "data" : "#FF524b24", "name" : "no name" },
+    { "data" : "#FF323c39", "name" : "no name" },
+    { "data" : "#FF3f3f74", "name" : "no name" },
+    { "data" : "#FF306082", "name" : "no name" },
+    { "data" : "#FF5b6ee1", "name" : "no name" },
+    { "data" : "#FF639bff", "name" : "no name" },
+    { "data" : "#FF5fcde4", "name" : "no name" },
+    { "data" : "#FFcbdbfc", "name" : "no name" },
+    { "data" : "#FFffffff", "name" : "no name" },
+    { "data" : "#FF9badb7", "name" : "no name" },
+    { "data" : "#FF847e87", "name" : "no name" },
+    { "data" : "#FF696a6a", "name" : "no name" },
+    { "data" : "#FF595652", "name" : "no name" },
+    { "data" : "#FF76428a", "name" : "no name" },
+    { "data" : "#FFac3232", "name" : "no name" },
+    { "data" : "#FFd95763", "name" : "no name" },
+    { "data" : "#FFd77bba", "name" : "no name" },
+    { "data" : "#FF8f974a", "name" : "no name" },
+    { "data" : "#FF8a6f30", "name" : "no name" }
+    ]
+}

Prefabs/PaletteButton.tscn

@@ -8,9 +8,10 @@
 [sub_resource type="ImageTexture" id=1]
 
 [node name="PaletteButton" type="Button"]
-margin_right = 22.0
-margin_bottom = 22.0
-rect_min_size = Vector2( 22, 22 )
+margin_right = 26.0
+margin_bottom = 26.0
+rect_min_size = Vector2( 26, 26 )
+hint_tooltip = "Color Name"
 custom_styles/hover = ExtResource( 1 )
 custom_styles/pressed = ExtResource( 2 )
 custom_styles/normal = ExtResource( 3 )

Scripts/Global.gd

@@ -103,6 +103,10 @@ var custom_left_brush_texture := ImageTexture.new()
 # warning-ignore:unused_class_variable
 var custom_right_brush_texture := ImageTexture.new()
 
+#Palettes
+# warning-ignore:unused_class_variable
+var palettes := {}
+
 #Nodes
 var control : Node
 var left_cursor : Sprite
@@ -176,6 +180,12 @@ var move_up_layer_button : BaseButton
 var move_down_layer_button : BaseButton
 var merge_down_layer_button : BaseButton
 
+var add_palette_button : TextureButton
+var remove_palette_button : TextureButton
+var palette_option_button : OptionButton
+var edit_palette_button : BaseButton
+var palette_container : GridContainer
+
 func _ready() -> void:
 	undo_redo = UndoRedo.new()
 	image_clipboard = Image.new()
@@ -258,6 +268,12 @@ func _ready() -> void:
 	move_down_layer_button = find_node_by_name(root, "MoveDownLayer")
 	merge_down_layer_button = find_node_by_name(root, "MergeDownLayer")
 	
+	add_palette_button = find_node_by_name(root, "AddPalette")
+	remove_palette_button = find_node_by_name(root, "RemovePalette")
+	palette_option_button = find_node_by_name(root, "PaletteOptionButton")
+	edit_palette_button = find_node_by_name(root, "EditPalette")
+	palette_container = find_node_by_name(root, "PaletteContainer")
+
 #Thanks to https://godotengine.org/qa/17524/how-to-find-an-instanced-scene-by-its-name
 func find_node_by_name(root, node_name) -> Node:
 	if root.get_name() == node_name:

Scripts/LayerContainer.gd

@@ -13,7 +13,7 @@ func _ready() -> void:
 	changed_selection()
 
 func _input(event : InputEvent):
-	if event.is_action_released("ui_accept") && line_edit.visible:
+	if event.is_action_released("ui_accept") && line_edit.visible && event.scancode != KEY_SPACE:
 		label.visible = true
 		line_edit.visible = false
 		line_edit.editable = false

Scripts/PaletteContainer.gd

@@ -6,6 +6,8 @@ extends GridContainer
 
 var palette_button = load("res://Prefabs/PaletteButton.tscn");
 
+var current_palette = "Default"
+
 var default_palette = [
 	Color("#FF000000"),
 	Color("#FF222034"),
@@ -43,19 +45,95 @@ var default_palette = [
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
-	var index = 0
-	for color in default_palette:
-		var new_button = palette_button.instance()
-		new_button.get_child(0).modulate = color
-		new_button.connect("pressed", self, "_on_color_select", [index])
-		add_child(new_button)
-		index += 1
+	#Global.palettes["Default"] = default_palette
+	
+	_load_palettes()
+	
+	on_palette_select(current_palette)
 	pass # Replace with function body.
 
-func _on_color_select(index):
+func _clear_swatches():
+	for child in get_children():
+		if child is BaseButton:
+			child.disconnect("pressed", self, "on_color_select")
+			child.queue_free()
+	pass
+
+func on_palette_select(palette_name):
+	_clear_swatches()
+	if Global.palettes.has(palette_name):
+		_display_palette(Global.palettes[palette_name])
+	else:
+		_display_palette(Global.palettes["Default"])
+	pass
+
+func _display_palette(palette):
+	var index = 0
+	for color_data in palette:
+		var color = Color(color_data.data)
+		var new_button = palette_button.instance()
+		new_button.get_child(0).modulate = color
+		new_button.hint_tooltip = color_data.data.to_upper() + " " + color_data.name
+		new_button.connect("pressed", self, "on_color_select", [index])
+		add_child(new_button)
+		index += 1
+	pass
+
+func on_color_select(index):
 	Global.left_color_picker.color = default_palette[index]
 	pass
 
+func _load_palettes():
+	var files := []
+	
+	var dir := Directory.new()
+	
+	if not dir.dir_exists("user://palettes"):
+		dir.make_dir("user://palettes");
+		dir.copy("res://Assets/Graphics/Palette/default_palette.json","user://palettes/default_palette.json");
+	
+	dir.open("user://palettes")
+	dir.list_dir_begin()
+
+	while true:
+		var file_name = dir.get_next()
+		if file_name == "":
+			break
+		elif not file_name.begins_with(".") && file_name.to_lower().ends_with("json"):
+			files.append(file_name)
+
+	dir.list_dir_end()
+	
+	for file_name in files:
+		var success = _load_palette("user://palettes/" + file_name)
+		if success:
+			Global.palette_option_button.add_item(success)
+	pass
+
+func _load_palette(path):
+	var file := File.new()
+	file.open(path, File.READ)
+	
+	var text = file.get_as_text()
+	var result_json = JSON.parse(text)
+	var result = {}
+
+	var palette_name = null
+
+	if result_json.error != OK:  # If parse has errors
+		print("Error: ", result_json.error)
+		print("Error Line: ", result_json.error_line)
+		print("Error String: ", result_json.error_string)
+	else:  # If parse OK
+		var data = result_json.result
+		palette_name = data.name
+		Global.palettes[data.name] = data.colors
+	
+	return palette_name
+
+func _save_palette(palette, path):
+	pass
+
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 #func _process(delta):
 #	pass