Files
ComfyBox/src/lib/ComfyGraphCanvas.ts
2023-05-10 18:15:02 -05:00

340 lines
11 KiB
TypeScript

import { BuiltInSlotShape, LGraph, LGraphCanvas, LGraphNode, LiteGraph, NodeMode, type MouseEventExt, type Vector2, type Vector4, TitleMode, type ContextMenuItem, type IContextMenuItem } from "@litegraph-ts/core";
import type ComfyApp from "./components/ComfyApp";
import queueState from "./stores/queueState";
import { get } from "svelte/store";
import uiState from "./stores/uiState";
import layoutState from "./stores/layoutState";
import { Watch } from "@litegraph-ts/nodes-basic";
import { ComfyReroute } from "./nodes";
export type SerializedGraphCanvasState = {
offset: Vector2,
scale: number
}
export default class ComfyGraphCanvas extends LGraphCanvas {
app: ComfyApp | null;
constructor(
app: ComfyApp,
canvas: HTMLCanvasElement | string,
options: {
skip_render?: boolean;
skip_events?: boolean;
autoresize?: boolean;
viewport?: Vector4;
} = {}
) {
super(canvas, app.lGraph, options);
this.app = app;
}
serialize(): SerializedGraphCanvasState {
return {
offset: this.ds.offset,
scale: this.ds.scale
}
}
deserialize(data: SerializedGraphCanvasState) {
this.ds.offset = data.offset;
this.ds.scale = data.scale;
}
recenter() {
this.ds.reset();
this.setDirty(true, true)
}
override drawNodeShape(
node: LGraphNode,
ctx: CanvasRenderingContext2D,
size: Vector2,
fgColor: string,
bgColor: string,
selected: boolean,
mouseOver: boolean
): void {
super.drawNodeShape(node, ctx, size, fgColor, bgColor, selected, mouseOver);
let state = get(queueState);
let color = null;
if (node.id === +state.runningNodeId) {
color = "#0f0";
// this.app can be null inside the constructor if rendering is taking place already
} else if (this.app && this.app.dragOverNode && node.id === this.app.dragOverNode.id) {
color = "dodgerblue";
}
if (color) {
const shape = node.shape || BuiltInSlotShape.ROUND_SHAPE;
ctx.lineWidth = 1;
ctx.globalAlpha = 0.8;
ctx.beginPath();
if (shape == BuiltInSlotShape.BOX_SHAPE)
ctx.rect(-6, -6 + LiteGraph.NODE_TITLE_HEIGHT, 12 + size[0] + 1, 12 + size[1] + LiteGraph.NODE_TITLE_HEIGHT);
else if (shape == BuiltInSlotShape.ROUND_SHAPE || (shape == BuiltInSlotShape.CARD_SHAPE && node.flags.collapsed))
ctx.roundRect(
-6,
-6 - LiteGraph.NODE_TITLE_HEIGHT,
12 + size[0] + 1,
12 + size[1] + LiteGraph.NODE_TITLE_HEIGHT,
this.round_radius * 2
);
else if (shape == BuiltInSlotShape.CARD_SHAPE)
ctx.roundRect(
-6,
-6 + LiteGraph.NODE_TITLE_HEIGHT,
12 + size[0] + 1,
12 + size[1] + LiteGraph.NODE_TITLE_HEIGHT,
this.round_radius * 2,
2
);
else if (shape == BuiltInSlotShape.CIRCLE_SHAPE)
ctx.arc(size[0] * 0.5, size[1] * 0.5, size[0] * 0.5 + 6, 0, Math.PI * 2);
ctx.strokeStyle = color;
ctx.stroke();
ctx.strokeStyle = fgColor;
ctx.globalAlpha = 1;
if (state.progress) {
ctx.fillStyle = "green";
ctx.fillRect(0, 0, size[0] * (state.progress.value / state.progress.max), 6);
ctx.fillStyle = bgColor;
}
}
}
private alignToGrid(node: LGraphNode, ctx: CanvasRenderingContext2D) {
const x = LiteGraph.CANVAS_GRID_SIZE * Math.round(node.pos[0] / LiteGraph.CANVAS_GRID_SIZE);
const y = LiteGraph.CANVAS_GRID_SIZE * Math.round(node.pos[1] / LiteGraph.CANVAS_GRID_SIZE);
const shiftX = x - node.pos[0];
let shiftY = y - node.pos[1];
let w, h;
if (node.flags.collapsed) {
w = node._collapsed_width;
h = LiteGraph.NODE_TITLE_HEIGHT;
shiftY -= LiteGraph.NODE_TITLE_HEIGHT;
} else {
w = node.size[0];
h = node.size[1];
let titleMode = node.titleMode
if (titleMode !== TitleMode.TRANSPARENT_TITLE && titleMode !== TitleMode.NO_TITLE) {
h += LiteGraph.NODE_TITLE_HEIGHT;
shiftY -= LiteGraph.NODE_TITLE_HEIGHT;
}
}
const f = ctx.fillStyle;
ctx.fillStyle = "rgba(100, 100, 100, 0.5)";
ctx.fillRect(shiftX, shiftY, w, h);
ctx.fillStyle = f;
}
override drawNode(node: LGraphNode, ctx: CanvasRenderingContext2D): void {
if ((window as any)?.app?.shiftDown && this.node_dragged && node.id in this.selected_nodes) {
this.alignToGrid(node, ctx)
}
// Fade out inactive nodes
var editor_alpha = this.editor_alpha;
if (node.mode === NodeMode.NEVER) { // never
this.editor_alpha = 0.4;
}
const res = super.drawNode(node, ctx);
this.editor_alpha = editor_alpha;
return res;
}
override drawGroups(canvas: HTMLCanvasElement, ctx: CanvasRenderingContext2D) {
if (!this.graph) {
return;
}
var groups = this.graph._groups;
ctx.save();
ctx.globalAlpha = 0.7 * this.editor_alpha;
for (var i = 0; i < groups.length; ++i) {
var group = groups[i];
if (!LiteGraph.overlapBounding(this.visible_area, group.bounding)) {
continue;
} //out of the visible area
ctx.fillStyle = group.color || "#335";
ctx.strokeStyle = group.color || "#335";
var pos = group.pos;
var size = group.size;
ctx.globalAlpha = 0.25 * this.editor_alpha;
ctx.beginPath();
var font_size =
group.fontSize || LiteGraph.DEFAULT_GROUP_FONT_SIZE;
ctx.rect(pos[0] + 0.5, pos[1] + 0.5, size[0], font_size * 1.4);
ctx.fill();
ctx.globalAlpha = this.editor_alpha;
}
ctx.restore();
const res = super.drawGroups(canvas, ctx);
return res;
}
/**
* Handle keypress
*
* Ctrl + M mute/unmute selected nodes
*/
override processKey(e: KeyboardEvent): boolean | undefined {
const res = super.processKey(e);
if (res === false) {
return res;
}
if (!this.graph) {
return;
}
var block_default = false;
if ("localName" in e.target && e.target.localName == "input") {
return;
}
if (e.type == "keydown") {
// Ctrl + M mute/unmute
if (e.keyCode == 77 && e.ctrlKey) {
if (this.selected_nodes) {
for (var i in this.selected_nodes) {
if (this.selected_nodes[i].mode === 2) { // never
this.selected_nodes[i].mode = 0; // always
} else {
this.selected_nodes[i].mode = 2; // never
}
}
}
block_default = true;
}
}
this.graph.change();
if (block_default) {
e.preventDefault();
e.stopImmediatePropagation();
return false;
}
return res;
}
override onSelectionChange(nodes: Record<number, LGraphNode>) {
const ls = get(layoutState)
ls.currentSelectionNodes = Object.values(nodes)
ls.currentSelection = []
layoutState.set(ls)
}
override onNodeMoved(node: LGraphNode) {
if (super.onNodeMoved)
super.onNodeMoved(node);
if ((window as any)?.app?.shiftDown) {
// Ensure all selected nodes are realigned
for (const id in this.selected_nodes) {
this.selected_nodes[id].alignToGrid();
}
}
}
private reinstantiate(_value: IContextMenuItem, _options, mouseEvent, prevMenu, node?: LGraphNode) {
if ((node as any).isBackendNode)
return
const newNode = LiteGraph.createNode(node.type);
for (let index = 0; index < newNode.inputs.length; index++) {
const newInput = newNode.inputs[index];
const oldInput = node.inputs[index]
if (oldInput && newInput.type === oldInput.type) {
continue;
}
let link: LLink | null = null;
if (oldInput) {
link = node.getInputLink(index);
node.disconnectInput(index)
oldInput.type = newInput.type
oldInput.name = newInput.name
}
else {
node.addInput(newInput.name, newInput.type, newInput)
}
const reroute = LiteGraph.createNode(ComfyReroute);
reroute.properties.ignoreTypes = true;
node.graph.add(reroute)
const inputPos = node.getConnectionPos(true, index);
reroute.pos = [inputPos[0] - 140, inputPos[1] + LiteGraph.NODE_SLOT_HEIGHT / 2];
reroute.connect(0, node, index);
if (link != null)
node.graph.getNodeById(link.target_id).connect(link.target_slot, reroute, 0)
}
for (let index = 0; index < newNode.outputs.length; index++) {
const newOutput = newNode.outputs[index];
const oldOutput = node.outputs[index]
if (oldOutput && newOutput.type === oldOutput.type) {
continue;
}
let links = []
if (oldOutput) {
links = node.getOutputLinks(index)
node.disconnectOutput(index)
oldOutput.type = newOutput.type
oldOutput.name = newOutput.name
}
else {
node.addOutput(newOutput.name, newOutput.type, newOutput)
}
const reroute = LiteGraph.createNode(ComfyReroute);
reroute.properties.ignoreTypes = true;
node.graph.add(reroute)
const rerouteSize = reroute.computeSize();
const outputPos = node.getConnectionPos(false, index);
reroute.pos = [outputPos[0] + rerouteSize[0] + 20, outputPos[1] + LiteGraph.NODE_SLOT_HEIGHT / 2];
node.connect(index, reroute, 0);
for (const link of links) {
reroute.connect(0, link.target_id, link.target_slot)
}
}
}
override getNodeMenuOptions(node: LGraphNode): ContextMenuItem[] {
const options = super.getNodeMenuOptions(node);
options.push(
{
content: "Reinstantiate",
has_submenu: false,
disabled: false,
callback: this.reinstantiate.bind(this)
},
)
return options
}
}