Added GPL importer, new palette classes for clarification

Scripts/Palette/EditPalettePopup.gd

@@ -0,0 +1,116 @@
+extends WindowDialog
+
+onready var palette_grid = $VBoxContainer/HBoxContainer/Panel/EditPaletteGridContainer
+onready var color_name_edit = $VBoxContainer/HBoxContainer3/EditPaletteColorNameLineEdit
+onready var color_picker = $VBoxContainer/HBoxContainer/EditPaletteColorPicker
+
+var palette_button = preload("res://Prefabs/PaletteButton.tscn");
+
+var current_palette : String
+var current_swatch := -1
+var working_palette : Palette
+
+func open(palette : String) -> void:
+	current_palette = palette
+	if Global.palettes.has(palette):
+		working_palette = Global.palettes[palette].duplicate()
+
+		_display_palette()
+
+		self.popup_centered()
+	pass
+
+func _display_palette() -> void:
+	_clear_swatches()
+	var index := 0
+
+	for color_data in working_palette.colors:
+		var color = color_data.color
+		var new_button = palette_button.instance()
+
+		new_button.color = color
+		new_button.get_child(0).modulate = color
+		new_button.hint_tooltip = color_data.data.to_upper() + " " + color_data.name
+		new_button.draggable = true
+		new_button.index = index
+		new_button.connect("on_drop_data", self, "on_move_swatch")
+		new_button.connect("pressed", self, "on_swatch_select", [index])
+
+		palette_grid.add_child(new_button)
+		index += 1
+
+func _clear_swatches() -> void:
+	for child in palette_grid.get_children():
+		if child is BaseButton:
+			child.disconnect("on_drop_data", self, "on_move_swatch")
+			child.queue_free()
+
+func on_swatch_select(index : int) -> void:
+	current_swatch = index
+	color_name_edit.text = working_palette.get_color_name(index)
+	color_picker.color = working_palette.get_color(index)
+	pass
+
+func on_move_swatch(from : int, to : int) -> void:
+	working_palette.move_color(from, to)
+
+	palette_grid.move_child(palette_grid.get_child(from), to)
+
+	# Re-index swatches with new order
+	var index := 0
+	for child in palette_grid.get_children():
+		child.index = index
+		index += 1
+	pass
+
+func _on_AddSwatchButton_pressed() -> void:
+	var color = Color.white
+	var new_index : int = working_palette.colors.size()
+	working_palette.add_color(color)
+	
+	var new_button = palette_button.instance()
+
+	new_button.color = color
+	new_button.get_child(0).modulate = color
+	new_button.hint_tooltip = "#" + working_palette.get_color_data(new_index).to_upper() + " " + working_palette.get_color_name(new_index)
+	new_button.draggable = true
+	var index : int = palette_grid.get_child_count()
+	new_button.index = index
+	new_button.connect("on_drop_data", self, "on_move_swatch")
+	new_button.connect("pressed", self, "on_swatch_select", [index])
+
+	palette_grid.add_child(new_button)
+	pass # Replace with function body.
+
+func _on_RemoveSwatchButton_pressed() -> void:
+	working_palette.remove_color(current_swatch)
+	palette_grid.remove_child(palette_grid.get_child(current_swatch))
+	pass # Replace with function body.
+
+func _on_EditPaletteSaveButton_pressed() -> void:
+	Global.palettes[current_palette] = working_palette
+	Global.palette_container.on_palette_select(current_palette)
+	Global.palette_container.save_palette(current_palette, working_palette.name + ".json")
+	self.hide()
+	pass # Replace with function body.
+
+func _on_EditPaletteCancelButton_pressed() -> void:
+	self.hide()
+	pass # Replace with function body.
+
+func _on_EditPaletteColorNameLineEdit_text_changed(new_text) -> void:
+	if current_swatch >= 0 && current_swatch < working_palette.colors.size():
+		working_palette.set_color_name(current_swatch, new_text)
+		_refresh_hint_tooltip(current_swatch)
+	pass
+
+func _on_EditPaletteColorPicker_color_changed(color) -> void:
+	if current_swatch >= 0 && current_swatch < working_palette.colors.size():
+		palette_grid.get_child(current_swatch).get_child(0).modulate = color
+		working_palette.set_color(current_swatch, color)
+		_refresh_hint_tooltip(current_swatch)
+	pass
+
+func _refresh_hint_tooltip(index : int):
+	palette_grid.get_child(current_swatch).hint_tooltip = "#" + working_palette.get_color_data(current_swatch).to_upper() + " " + working_palette.get_color_name(current_swatch)
+	pass