Made IOs node editable (can add/remove ports)

addons/material_maker/engine/gen_ios.gd

@@ -8,9 +8,12 @@ IOs just forward their inputs to their outputs and are used to specify graph int
 
 var ports : Array = []
 
+var editable = false
+
 func can_be_deleted() -> bool:
 	return name != "gen_inputs" and name != "gen_outputs"
 
+
 func get_type() -> String:
 	return "ios"
 
@@ -20,6 +23,7 @@ func get_type_name() -> String:
 		"gen_outputs": return "Outputs"
 		_: return "IOs"
 
+
 func get_io_defs() -> Array:
 	var rv : Array = []
 	for p in ports:
@@ -32,6 +36,47 @@ func get_input_defs() -> Array:
 func get_output_defs() -> Array:
 	return [] if name == "gen_outputs" else get_io_defs()
 
+
+func toggle_editable() -> bool:
+	editable = !editable
+	if editable:
+		model = null
+	return true
+
+func is_editable() -> bool:
+	return editable
+
+
+func add_port() -> void:
+	ports.append({ name="unnamed", type="rgba" })
+	emit_signal("parameter_changed", "__update_all__", null)
+
+func set_port_name(i : int, n : String) -> void:
+	ports[i].name = n
+
+func delete_port(i : int) -> void:
+	ports.remove(i)
+	var input_gen = get_parent() if name == "gen_inputs" else self
+	var output_gen = get_parent() if name == "gen_outputs" else self
+	var port_reconnects = { i:-1 }
+	while i < ports.size():
+		port_reconnects[i+1] = i
+		i += 1
+	input_gen.get_parent().reconnect_inputs(input_gen, port_reconnects)
+	output_gen.get_parent().reconnect_outputs(output_gen, port_reconnects)
+	emit_signal("parameter_changed", "__update_all__", null)
+
+func swap_ports(i1 : int, i2 : int) -> void:
+	var tmp = ports[i1]
+	ports[i1] = ports[i2]
+	ports[i2] = tmp
+	var input_gen = get_parent() if name == "gen_inputs" else self
+	var output_gen = get_parent() if name == "gen_outputs" else self
+	var port_reconnects = { i1:i2, i2:i1 }
+	input_gen.get_parent().reconnect_inputs(input_gen, port_reconnects)
+	output_gen.get_parent().reconnect_outputs(output_gen, port_reconnects)
+	emit_signal("parameter_changed", "__update_all__", null)
+	
 func source_changed(input_index : int) -> void:
 	if name == "gen_outputs":
 		if get_parent() != null:

addons/material_maker/icons/icons.svg

@@ -15,7 +15,7 @@
    viewBox="0 0 64 64"
    version="1.1"
    id="svg8"
-   inkscape:version="0.92.4 (5da689c313, 2019-01-14)"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)"
    sodipodi:docname="icons.svg">
   <defs
      id="defs2">
@@ -48,9 +48,9 @@
      borderopacity="1.0"
      inkscape:pageopacity="0.0"
      inkscape:pageshadow="2"
-     inkscape:zoom="40.459029"
+     inkscape:zoom="14.304427"
-     inkscape:cx="17.695886"
+     inkscape:cx="23.663017"
-     inkscape:cy="7.9897925"
+     inkscape:cy="5.4603811"
      inkscape:document-units="px"
      inkscape:current-layer="layer1"
      showgrid="true"
@@ -352,5 +352,11 @@
        id="path1477"
        inkscape:connector-curvature="0"
        sodipodi:nodetypes="cccccccc" />
+    <path
+       sodipodi:nodetypes="cccccccc"
+       inkscape:connector-curvature="0"
+       id="path4561"
+       d="m 33.500409,335.78733 4.34961,-0.0488 0.123047,-6.82227 h 4.27539 l 0.125,6.82227 4.34961,0.0488 -6.611328,6.8457 z"
+       style="fill:#ffffff;fill-opacity:0.84322037;fill-rule:evenodd;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1" />
   </g>
 </svg>

addons/material_maker/nodes/ios.gd

@@ -0,0 +1,41 @@
+extends MMGraphNodeBase
+
+func set_generator(g) -> void:
+	.set_generator(g)
+	generator.connect("parameter_changed", self, "on_parameter_changed")
+	update_node()
+
+func on_parameter_changed(p, v) -> void:
+	if p == "__update_all__":
+		call_deferred("update_node")
+
+func update_up_down_buttons() -> void:
+	for c in get_children():
+		if ! (c is Button):
+			c.update_up_down_button()
+
+func update_node() -> void:
+	for c in get_children():
+		remove_child(c)
+		c.free()
+	rect_size = Vector2(0, 0)
+	title = generator.get_type_name()
+	var color = Color(0.0, 0.5, 0.0, 0.5)
+	for p in generator.get_io_defs():
+		set_slot(get_child_count(), generator.name != "gen_inputs", 0, color, generator.name != "gen_outputs", 0, color)
+		var port : Control
+		if generator.is_editable():
+			port = preload("res://addons/material_maker/nodes/ios/port.tscn").instance()
+			if p.has("name"):
+				port.set_label(p.name)
+		else:
+			port = Label.new()
+			port.text = p.name
+		add_child(port)
+	if generator.is_editable():
+		var add_button : Button = preload("res://addons/material_maker/nodes/ios/add.tscn").instance()
+		add_child(add_button)
+		add_button.connect("pressed", generator, "add_port")
+		set_slot(get_child_count()-1, false, 0, color, false, 0, color)
+		update_up_down_buttons()
+	

addons/material_maker/nodes/ios.tscn

@@ -0,0 +1,8 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://addons/material_maker/nodes/ios.gd" type="Script" id=1]
+
+[node name="IOs" type="GraphNode"]
+margin_right = 32.0
+margin_bottom = 29.0
+script = ExtResource( 1 )

addons/material_maker/nodes/ios/add.tscn

@@ -0,0 +1,16 @@
+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://addons/material_maker/icons/icons.svg" type="Texture" id=1]
+
+[sub_resource type="AtlasTexture" id=4]
+flags = 4
+atlas = ExtResource( 1 )
+region = Rect2( 50, 1, 12, 14 )
+
+[node name="Add" type="Button"]
+margin_left = 16.0
+margin_top = 44.0
+margin_right = 40.0
+margin_bottom = 64.0
+size_flags_horizontal = 0
+icon = SubResource( 4 )

addons/material_maker/nodes/ios/port.gd

@@ -0,0 +1,23 @@
+extends HBoxContainer
+
+func set_label(l : String) -> void:
+	$Name.set_text(l)
+
+func update_up_down_button() -> void:
+	var parent = get_parent()
+	if parent == null:
+		return
+	$Up.disabled = (get_index() == 0)
+	$Down.disabled = (get_index() == get_parent().get_child_count()-2)
+
+func _on_Name_label_changed(new_label):
+	get_parent().generator.set_port_name(get_index(), new_label)
+
+func _on_Delete_pressed():
+	get_parent().generator.delete_port(get_index())
+
+func _on_Up_pressed():
+	get_parent().generator.swap_ports(get_index(), get_index()-1)
+
+func _on_Down_pressed():
+	get_parent().generator.swap_ports(get_index(), get_index()+1)

addons/material_maker/nodes/ios/port.tscn

@@ -0,0 +1,54 @@
+[gd_scene load_steps=7 format=2]
+
+[ext_resource path="res://addons/material_maker/nodes/ios/port.gd" type="Script" id=1]
+[ext_resource path="res://addons/material_maker/icons/icons.svg" type="Texture" id=2]
+[ext_resource path="res://addons/material_maker/widgets/linked_widgets/editable_label.tscn" type="PackedScene" id=3]
+
+[sub_resource type="AtlasTexture" id=1]
+flags = 4
+atlas = ExtResource( 2 )
+region = Rect2( 2, 17, 12, 14 )
+
+[sub_resource type="AtlasTexture" id=2]
+flags = 4
+atlas = ExtResource( 2 )
+region = Rect2( 18, 49, 12, 14 )
+
+[sub_resource type="AtlasTexture" id=3]
+flags = 4
+atlas = ExtResource( 2 )
+region = Rect2( 34, 49, 12, 14 )
+
+[node name="Port" type="HBoxContainer"]
+margin_left = 16.0
+margin_top = 24.0
+margin_right = 130.0
+margin_bottom = 44.0
+script = ExtResource( 1 )
+
+[node name="Delete" type="Button" parent="."]
+margin_right = 24.0
+margin_bottom = 20.0
+icon = SubResource( 1 )
+
+[node name="Up" type="Button" parent="."]
+margin_left = 28.0
+margin_right = 52.0
+margin_bottom = 20.0
+icon = SubResource( 2 )
+
+[node name="Down" type="Button" parent="."]
+margin_left = 56.0
+margin_right = 80.0
+margin_bottom = 20.0
+icon = SubResource( 3 )
+
+[node name="Name" parent="." instance=ExtResource( 3 )]
+margin_left = 84.0
+margin_right = 114.0
+margin_bottom = 20.0
+rect_min_size = Vector2( 30, 0 )
+[connection signal="pressed" from="Delete" to="." method="_on_Delete_pressed"]
+[connection signal="pressed" from="Up" to="." method="_on_Up_pressed"]
+[connection signal="pressed" from="Down" to="." method="_on_Down_pressed"]
+[connection signal="label_changed" from="Name" to="." method="_on_Name_label_changed"]

addons/material_maker/widgets/linked_widgets/editable_label.tscn

@@ -9,14 +9,17 @@ script = ExtResource( 1 )
 
 [node name="Label" type="Label" parent="."]
 margin_top = 13.0
+margin_right = 62.0
 margin_bottom = 27.0
 mouse_filter = 0
+size_flags_horizontal = 3
 
 [node name="Editor" type="LineEdit" parent="."]
 visible = false
 margin_left = 4.0
 margin_right = 62.0
 margin_bottom = 40.0
+size_flags_horizontal = 3
 [connection signal="gui_input" from="Label" to="." method="_on_gui_input"]
 [connection signal="focus_exited" from="Editor" to="." method="_on_Editor_focus_exited"]
 [connection signal="text_entered" from="Editor" to="." method="_on_Editor_text_entered"]