added CollapsableSettings scene and class derived from HBoxContainer,…

… added example in play_sound.tres

addons/block_code/blocks/sounds/play_sound.tres

@@ -10,7 +10,7 @@ description = "Play the audio stream with volume and pitch"
 category = "Sounds"
 type = 2
 variant_type = 0
-display_template = "play the sound {name: STRING} with volume {db: FLOAT} dB and pitch scale {pitch: FLOAT}"
+display_template = "play the sound {name: STRING} | with volume {db: FLOAT} dB and pitch scale {pitch: FLOAT}"
 code_template = "var __sound_node = get_node({name})
 __sound_node.volume_db = {db}
 __sound_node.pitch_scale = {pitch}

addons/block_code/ui/blocks/utilities/template_editor/collapsable_settings.gd

@@ -0,0 +1,32 @@
+@tool
+class_name CollapsableSettings
+extends HBoxContainer
+
+var collapsed = false
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	collapse()
+	$CollapseButton.connect("button_up", collapse)
+	$ExpandButton.connect("button_up", expand)
+
+func expand() -> void:
+	if not collapsed:
+		return
+	for child in get_children(true):
+		child.visible = true
+	$ExpandButton.visible = false
+	$CollapseButton.visible = true
+	collapsed = false
+
+func collapse() -> void:
+	if collapsed:
+		return
+	for child in get_children(true):
+		child.visible = false
+	$ExpandButton.visible = true
+	collapsed = true
+
+func reorder() -> void:
+	move_child($ExpandButton, 0)
+	move_child($CollapseButton, -1)

addons/block_code/ui/blocks/utilities/template_editor/collapsable_settings.tscn

@@ -0,0 +1,22 @@
+[gd_scene load_steps=4 format=3 uid="uid://1xfpd777g8pf"]
+
+[ext_resource type="Script" path="res://addons/block_code/ui/blocks/utilities/template_editor/collapsable_settings.gd" id="1_f0ssn"]
+[ext_resource type="Texture2D" uid="uid://5y2dvf2xc4vx" path="res://addons/block_code/ui/blocks/utilities/template_editor/plus.png" id="2_8s057"]
+[ext_resource type="Texture2D" uid="uid://b85dahj52hy0d" path="res://addons/block_code/ui/blocks/utilities/template_editor/minus.png" id="3_6qcv3"]
+
+[node name="CollapsableSettings" type="HBoxContainer"]
+offset_right = 36.0
+offset_bottom = 31.0
+script = ExtResource("1_f0ssn")
+
+[node name="ExpandButton" type="Button" parent="."]
+layout_mode = 2
+icon = ExtResource("2_8s057")
+flat = true
+icon_alignment = 1
+
+[node name="CollapseButton" type="Button" parent="."]
+layout_mode = 2
+icon = ExtResource("3_6qcv3")
+flat = true
+icon_alignment = 1

addons/block_code/ui/blocks/utilities/template_editor/minus.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://b85dahj52hy0d"
+path="res://.godot/imported/minus.png-7cbe293178ea19d9e5fbc8ba50c3a01b.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://addons/block_code/ui/blocks/utilities/template_editor/minus.png"
+dest_files=["res://.godot/imported/minus.png-7cbe293178ea19d9e5fbc8ba50c3a01b.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

addons/block_code/ui/blocks/utilities/template_editor/plus.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://5y2dvf2xc4vx"
+path="res://.godot/imported/plus.png-415014510d01c9db50069dbfc9e6ab6f.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://addons/block_code/ui/blocks/utilities/template_editor/plus.png"
+dest_files=["res://.godot/imported/plus.png-415014510d01c9db50069dbfc9e6ab6f.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

addons/block_code/ui/blocks/utilities/template_editor/template_editor.gd

@@ -12,6 +12,7 @@ const ParameterInput = preload("res://addons/block_code/ui/blocks/utilities/para
 const ParameterInputScene = preload("res://addons/block_code/ui/blocks/utilities/parameter_input/parameter_input.tscn")
 const ParameterOutput = preload("res://addons/block_code/ui/blocks/utilities/parameter_output/parameter_output.gd")
 const ParameterOutputScene = preload("res://addons/block_code/ui/blocks/utilities/parameter_output/parameter_output.tscn")
+const CollapsableSettingsScene = preload("res://addons/block_code/ui/blocks/utilities/template_editor/collapsable_settings.tscn")
 
 ## A string describing a block's display format. For example:
 ## [br]
@@ -87,26 +88,36 @@ func _update_from_format_string():
 		child.queue_free()
 
 	var match_id = 0
+	var is_collapsable = false
+	var collapsable: CollapsableSettings = CollapsableSettingsScene.instantiate()
 	for item in BlockDefinition.parse_display_template(format_string):
+		var hidden = item.has("hidden") and item.get("hidden")
+		if hidden:
+			is_collapsable = true
 		if item.has("label"):
-			_append_label(item.get("label"))
+			_append_label(collapsable if hidden else _container, item.get("label"))
 		elif item.has("in_parameter"):
-			_append_input_parameter(item.get("in_parameter"), match_id)
+			_append_input_parameter(collapsable if hidden else _container, item.get("in_parameter"), match_id)
 		elif item.has("out_parameter"):
-			_append_output_parameter(item.get("out_parameter"), match_id)
+			_append_output_parameter(collapsable if hidden else _container, item.get("out_parameter"), match_id)
 		elif item.has("const_parameter"):
-			_append_const_parameter(item.get("const_parameter"), match_id)
+			_append_const_parameter(collapsable if hidden else _container, item.get("const_parameter"), match_id)
 		match_id += 1
+	if is_collapsable:
+		collapsable.reorder()
+		_container.add_child(collapsable)
+	else:
+		collapsable.queue_free()
 
 
-func _append_label(label_format: String):
+func _append_label(container: Container, label_format: String):
 	var label = Label.new()
 	label.add_theme_color_override("font_color", Color.WHITE)
 	label.text = label_format.strip_edges()
-	_container.add_child(label)
+	container.add_child(label)
 
 
-func _append_input_parameter(parameter: Dictionary, id: int) -> ParameterInput:
+func _append_input_parameter(container: Container, parameter: Dictionary, id: int) -> ParameterInput:
 	var default_value = parameter_defaults.get(parameter["name"])
 
 	var parameter_input: ParameterInput = ParameterInputScene.instantiate()
@@ -125,26 +136,26 @@ func _append_input_parameter(parameter: Dictionary, id: int) -> ParameterInput:
 
 	parameter_input.modified.connect(func(): modified.emit())
 
-	_container.add_child(parameter_input)
+	container.add_child(parameter_input)
 	_parameter_inputs_by_name[parameter["name"]] = parameter_input
 
 	return parameter_input
 
 
-func _append_output_parameter(parameter: Dictionary, id: int):
+func _append_output_parameter(container: Container, parameter: Dictionary, id: int):
 	var parameter_output: ParameterOutput
 
 	parameter_output = ParameterOutputScene.instantiate()
 	parameter_output.name = "ParameterOutput%d" % id
 	parameter_output.block = parent_block
 	parameter_output.parameter_name = parameter["name"]
-	_container.add_child(parameter_output)
+	container.add_child(parameter_output)
 
 
-func _append_const_parameter(parameter: Dictionary, id: int):
+func _append_const_parameter(container: Container, parameter: Dictionary, id: int):
 	# const_parameter is a kind of in_parameter with default value, but never
 	# changes value.
-	var parameter_const := _append_input_parameter(parameter, id)
+	var parameter_const := _append_input_parameter(container, parameter, id)
 	parameter_const.visible = false