Allow reroute to have in/out in different orientation

web/extensions/core/rerouteNode.js

@@ -2,6 +2,42 @@ import { app } from "../../scripts/app.js";
 
 // Node that allows you to redirect connections for cleaner graphs
 
+// Context menu to change input/output orientation
+function getOrientationMenu(value, options, e, menu, node) {
+	const isInput = value.options.isInput
+	const takenSlot = (isInput ? node.outputs[0].dir:node.inputs[0].dir) -1
+
+	let availableDir = ["Up" ,"Down", "Left", "Right"]
+	let availableValue = [LiteGraph.UP, LiteGraph.DOWN, LiteGraph.LEFT, LiteGraph.RIGHT]
+
+	availableDir.splice(takenSlot, 1);
+	availableValue.splice(takenSlot, 1);
+
+	new LiteGraph.ContextMenu(
+		availableDir,
+		{
+			event: e,
+			parentMenu: menu,
+			node: node,
+			callback: (v, options, mouse_event, menu, node) => {
+				if (!node) {
+					return;
+				}
+		
+				let dir = availableValue[Object.values(availableDir).indexOf(v)];
+				
+				if (isInput) {
+					node.inputs[0].dir = dir;
+				} else {
+					node.outputs[0].dir = dir;
+				}
+		
+				node.applyOrientation();
+			}
+		}
+	);
+}
+
 app.registerExtension({
 	name: "Comfy.RerouteNode",
 	registerCustomNodes() {
@@ -11,10 +47,49 @@ app.registerExtension({
 					this.properties = {};
 				}
 				this.properties.showOutputText = RerouteNode.defaultVisibility;
-				this.properties.horizontal = false;
 
-				this.addInput("", "*");
+				this.addInput("", "*", {nameLocked: true});
-				this.addOutput(this.properties.showOutputText ? "*" : "", "*");
+				this.addOutput(this.properties.showOutputText ? "*" : "", "*", {nameLocked: true});
+				
+				this.inputs[0].dir = LiteGraph.LEFT;
+				this.outputs[0].dir = LiteGraph.RIGHT;
+
+				this.onResize = function(_) {
+					this.applyOrientation();
+				}
+
+				this.onDrawForeground = function(ctx, graphcanvas, canvas) {
+					if (this.properties.showOutputText && graphcanvas.ds.scale > 0.5) {
+						ctx.fillStyle = LiteGraph.NODE_TEXT_COLOR;
+						ctx.font = graphcanvas.inner_text_font;
+						ctx.textAlign = "center";
+
+						ctx.fillText(this.getDisplayName(), this.size[0] / 2, this.size[1] / 2+5);
+					}
+				}
+
+				this.onConfigure = function(data) {
+					
+					// update old reroute
+					if (!this.inputs[0].dir) { this.inputs[0].dir = LiteGraph.LEFT; }
+					if (!this.outputs[0].dir) { this.outputs[0].dir = LiteGraph.RIGHT; }
+
+					if (this.inputs[0].label) { this.inputs[0].label = "" }
+					if (this.outputs[0].label) { this.outputs[0].label = "" }
+					
+					if (!this.inputs[0].nameLocked) { this.inputs[0].nameLocked = true }
+					if (!this.outputs[0].nameLocked) { this.outputs[0].nameLocked = true }
+
+					// handle old horizontal property
+					if (this.properties.horizontal) {
+						this.inputs[0].dir = LiteGraph.UP;
+						this.outputs[0].dir = LiteGraph.DOWN;
+						delete this.properties.horizontal;
+					}
+
+					this.applyOrientation();
+					app.graph.setDirtyCanvas(true, true);
+				}
 
 				this.onConnectionsChange = function (type, index, connected, link_info) {
 					this.applyOrientation();
@@ -113,7 +188,6 @@ app.registerExtension({
 						// This lets you change the output link to a different type and all nodes will update
 						node.outputs[0].type = inputType || "*";
 						node.__outputType = displayType;
-						node.outputs[0].name = node.properties.showOutputText ? displayType : "";
 						node.size = node.computeSize();
 						node.applyOrientation();
 
@@ -135,14 +209,18 @@ app.registerExtension({
 
 				this.clone = function () {
 					const cloned = RerouteNode.prototype.clone.apply(this);
+					let dir = this.outputs[0].dir
 					cloned.removeOutput(0);
-					cloned.addOutput(this.properties.showOutputText ? "*" : "", "*");
+					cloned.addOutput(this.properties.showOutputText ? "*" : "", "*", {nameLocked: true});
+					cloned.outputs[0].dir = dir
 					cloned.size = cloned.computeSize();
 					return cloned;
 				};
 
 				// This node is purely frontend and does not impact the resulting prompt so should not be serialized
 				this.isVirtualNode = true;
+
+				this.applyOrientation();
 			}
 
 			getExtraMenuOptions(_, options) {
@@ -151,11 +229,6 @@ app.registerExtension({
 						content: (this.properties.showOutputText ? "Hide" : "Show") + " Type",
 						callback: () => {
 							this.properties.showOutputText = !this.properties.showOutputText;
-							if (this.properties.showOutputText) {
-								this.outputs[0].name = this.__outputType || this.outputs[0].type;
-							} else {
-								this.outputs[0].name = "";
-							}
 							this.size = this.computeSize();
 							this.applyOrientation();
 							app.graph.setDirtyCanvas(true, true);
@@ -168,37 +241,55 @@ app.registerExtension({
 						},
 					},
 					{
-						// naming is inverted with respect to LiteGraphNode.horizontal
+						content: "Input Orientation",
-						// LiteGraphNode.horizontal == true means that 
+						has_submenu: true,
-						// each slot in the inputs and outputs are layed out horizontally, 
+						options: {isInput: true},
-						// which is the opposite of the visual orientation of the inputs and outputs as a node
+						callback: getOrientationMenu
-						content: "Set " + (this.properties.horizontal ? "Horizontal" : "Vertical"),
+					},
-						callback: () => {
+					{
-							this.properties.horizontal = !this.properties.horizontal;
+						content: "Output Orientation",
-							this.applyOrientation();
+						has_submenu: true,
+						options: {isInput: false},
+						callback: getOrientationMenu
 					},
-					}
 				);
 			}
+
 			applyOrientation() {
-				this.horizontal = this.properties.horizontal;
+				// Place inputs/outputs based on the direction
-				if (this.horizontal) {
+				function processInOut(node, slot) {
-					// we correct the input position, because LiteGraphNode.horizontal 
+					if (!slot) { return; } // weird copy/paste fix
-					// doesn't account for title presence
+
-					// which reroute nodes don't have
+					const horizontal = ([LiteGraph.UP, LiteGraph.DOWN].indexOf(slot.dir) > -1);
-					this.inputs[0].pos = [this.size[0] / 2, 0];
+					const reversed = ([LiteGraph.DOWN, LiteGraph.RIGHT].indexOf(slot.dir) > -1);
+
+					if (horizontal) {
+						slot.pos = [node.size[0] / 2, reversed ? node.size[1]:0];
 					} else {
-					delete this.inputs[0].pos;
+						slot.pos = [reversed ? node.size[0]:0, node.size[1] / 2];
 					}
+				}
+
+				processInOut(this, this.inputs[0]);
+				processInOut(this, this.outputs[0]);
+
 				app.graph.setDirtyCanvas(true, true);
 			}
 
+			getDisplayName() {
+				let displayName = this.__outputType;
+				if (this.title !== "Reroute" && this.title !== "") {
+					displayName = this.title;
+				}
+				return displayName;
+			}
+
 			computeSize() {
 				return [
-					this.properties.showOutputText && this.outputs && this.outputs.length
+					this.properties.showOutputText && this.outputs
-						? Math.max(75, LiteGraph.NODE_TEXT_SIZE * this.outputs[0].name.length * 0.6 + 40)
+						? Math.max(75, LiteGraph.NODE_TEXT_SIZE * this.getDisplayName().length * 0.6)
 						: 75,
-					26,
+					25,
 				];
 			}
 
@@ -226,4 +317,29 @@ app.registerExtension({
 
 		RerouteNode.category = "utils";
 	},
+	setup(app) {
+
+		// adds "Add reroute" to right click canvas menu
+		const orig = LGraphCanvas.prototype.getCanvasMenuOptions;
+		LGraphCanvas.prototype.getCanvasMenuOptions = function () {
+			const options = orig.apply(this, arguments);
+			options.push(
+				null,
+				{ 
+					content: "Add Reroute",
+					callback: (value, options, mouse_event, menu, node) => {
+						let newNode = LiteGraph.createNode("Reroute")
+
+						newNode.pos = app.canvas.convertEventToCanvasOffset(mouse_event);
+						newNode.pos[0] -= newNode.size[0]/2;
+						newNode.pos[1] -= newNode.size[1]/2;
+
+						app.graph.add(newNode);
+
+					} 
+				}
+			);
+			return options;
+		};
+	}
 });