Refactored a lot of stuff.

Added property lists.
Renamed FileAdapter to FileSystemAdapter.
And more smaller stuff.

scenes/property_list/header.tscn

@@ -0,0 +1,44 @@
+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://addons/de.mewin.gduibasics/scripts/types/misc/constraints/dynamic_grid_constraints.gd" type="Script" id=2]
+[ext_resource path="res://addons/de.mewin.gduibasics/scenes/property_list/scripts/header.gd" type="Script" id=3]
+
+[sub_resource type="StyleBoxFlat" id=1]
+bg_color = Color( 0, 0, 0, 0.627451 )
+corner_radius_top_left = 2
+corner_radius_top_right = 2
+corner_radius_bottom_right = 2
+corner_radius_bottom_left = 2
+
+[node name="header" type="PanelContainer"]
+margin_right = 198.0
+margin_bottom = 22.0
+size_flags_horizontal = 3
+custom_styles/panel = SubResource( 1 )
+script = ExtResource( 3 )
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="header_info" type="HBoxContainer" parent="."]
+margin_right = 198.0
+margin_bottom = 22.0
+alignment = 1
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="texture" type="TextureRect" parent="header_info"]
+margin_left = 70.0
+margin_right = 70.0
+margin_bottom = 22.0
+
+[node name="label" type="Label" parent="header_info"]
+margin_left = 74.0
+margin_right = 128.0
+margin_bottom = 22.0
+text = "Header"
+
+[node name="constraints" type="Node" parent="."]
+script = ExtResource( 2 )
+colspan = 2

scenes/property_list/property_label.tscn

@@ -0,0 +1,21 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://addons/de.mewin.gduibasics/scenes/property_list/scripts/property_label.gd" type="Script" id=1]
+
+[node name="property_label" type="HBoxContainer"]
+anchor_right = 1.0
+anchor_bottom = 1.0
+size_flags_horizontal = 3
+script = ExtResource( 1 )
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="texture" type="TextureRect" parent="."]
+margin_bottom = 600.0
+
+[node name="label" type="Label" parent="."]
+margin_left = 4.0
+margin_top = 289.0
+margin_right = 12.0
+margin_bottom = 311.0

scenes/property_list/scripts/header.gd

@@ -0,0 +1,19 @@
+extends Control
+
+var label := "" setget _set_label, _get_label
+var texture : Texture = null setget _set_texture, _get_texture
+
+#####################
+# setters & getters #
+#####################
+func _set_label(label_ : String) -> void:
+	$header_info/label.text = label_
+
+func _get_label() -> String:
+	return $header_info/label.text
+
+func _set_texture(texture_ : Texture) -> void:
+	$header_info/texture.texture = texture_
+
+func _get_texture() -> Texture:
+	return $header_info/texture.texture

scenes/property_list/scripts/property_label.gd

@@ -0,0 +1,19 @@
+extends Control
+
+var label := "" setget _set_label, _get_label
+var texture : Texture = null setget _set_texture, _get_texture
+
+#####################
+# setters & getters #
+#####################
+func _set_label(label_ : String) -> void:
+	$label.text = label_
+
+func _get_label() -> String:
+	return $label.text
+
+func _set_texture(texture_ : Texture) -> void:
+	$texture.texture = texture_
+
+func _get_texture() -> Texture:
+	return $texture.texture