Files
loficoding-ComfyUI-Node-HUD/web/node_hud.js
T
2026-01-23 03:58:58 -07:00

270 lines
9.9 KiB
JavaScript

import { app } from "../../scripts/app.js";
// 1. Inject CSS
const link = document.createElement("link");
link.rel = "stylesheet";
link.type = "text/css";
link.href = "extensions/ComfyUI-Node-HUD/css/hud_styles.css";
document.head.appendChild(link);
app.registerExtension({
name: "Comfy.NodeHUD",
async beforeRegisterNodeDef(nodeType, nodeData, app) {
// --- A. Toggle Menu Option ---
const getExtraMenuOptions = nodeType.prototype.getExtraMenuOptions;
nodeType.prototype.getExtraMenuOptions = function(_, options) {
if (getExtraMenuOptions) getExtraMenuOptions.apply(this, arguments);
options.push({
content: "Toggle Stack Info",
callback: () => {
this.show_stack_info = !this.show_stack_info;
// Bring node to front of the array so it renders on top of everything
if (this.show_stack_info){
const nodes = app.graph._nodes;
const index = nodes.indexOf(this);
if (index > -1){
nodes.splice(index, 1);
nodes.push(this);
}
}
app.graph.setDirtyCanvas(true, true);
}
});
};
// --- B. The Main Loop (Replaces Draw) ---
// We hook into onDrawForeground to handle Position updates
const onDrawForeground = nodeType.prototype.onDrawForeground;
nodeType.prototype.onDrawForeground = function(ctx) {
if (onDrawForeground) onDrawForeground.apply(this, arguments);
// 1. Cleanup: If toggled off, empty, OR COLLAPSED, remove the dock
const stackList = getHiddenNodes(this, app.graph);
// ADDED: Check !this.flags.collapsed so HUD hides when node is collapsed
const shouldShow = this.show_stack_info && stackList.length > 0 && !this.flags.collapsed;
if (!shouldShow) {
if (this.hudElement) {
this.hudElement.remove();
this.hudElement = null;
}
return;
}
// 2. Update the Dock (Position & Content)
updateDock(this, stackList, app.graph);
// If movement is laggy this ensures the HUD follows mouse during drag
if(this.is_selected){
app.graph.setDirtyCanvas(true, false);
}
};
}
});
// --- HELPER: Find Hidden Nodes ---
function getHiddenNodes(parent, graph) {
const stackList = [];
if (!graph || !graph._nodes) return stackList;
const parentIndex = graph._nodes.indexOf(parent);
const pLeft = parent.pos[0];
const pRight = parent.pos[0] + parent.size[0];
const pTop = parent.pos[1];
const pBottom = parent.pos[1] + parent.size[1];
for (let i = 0; i < graph._nodes.length; i++) {
const node = graph._nodes[i];
if (node.id === parent.id) continue;
// Only include nodes that are "below" the parent in the stack
if (i > parentIndex) continue;
const nx = node.pos[0];
const ny = node.pos[1];
// Check if center of node is inside parent (simple hit test)
if (nx >= pLeft && nx < pRight && ny >= pTop && ny < pBottom) {
stackList.push(node);
}
}
return stackList;
}
// --- HELPER: Get Link Color ---
function getLinkColor(link) {
if (!link) return "#aaaaff";
const type = link.type;
const colorMap = LGraphCanvas.link_type_colors;
if (colorMap[type]) return colorMap[type];
if (type === "STRING") return "#66ff66";
if (type === "INT") return "#22cc22";
if (type === "FLOAT") return "#22cc22";
if (type === "LATENT") return "#ff99aa";
if (type === "IMAGE") return "#66aaff";
if (type === "MODEL") return "#6666aa";
if (type === "VAE") return "#ff4444";
if (type === "CLIP") return "#ffff66";
if (type === "CONDITIONING") return "#aa6666";
return "#aaaaff";
}
// --- THE NEW DOM BUILDER ---
function updateDock(node, stackList, graph) {
// 1. Create Element if missing
if (!node.hudElement) {
node.hudElement = document.createElement("div");
node.hudElement.className = "hud-dock";
// Fix Zooming/Scrolling Issue:
// Intercept wheel events to prevent browser page zoom, but manually trigger canvas zoom.
node.hudElement.addEventListener("wheel", (e) => {
// Stop the event from reaching the window (prevents whole page zoom/scroll)
e.preventDefault();
e.stopPropagation();
// Manually apply zoom to the canvas so the user can still zoom the graph
if (app.canvas && app.canvas.ds) {
// Determine zoom direction and factor (standard LiteGraph logic)
const zoomFactor = e.deltaY > 0 ? 0.9 : 1.1;
app.canvas.ds.changeScale(app.canvas.ds.scale * zoomFactor, [e.clientX, e.clientY]);
app.canvas.setDirty(true, true);
}
}, { passive: false });
// We append to document.body to ensure getBoundingClientRect + scroll math works reliably
document.body.appendChild(node.hudElement);
node.lastStackSignature = "";
}
const dock = node.hudElement;
// ... [Content Update Section remains exactly the same] ...
const currentSignature = stackList.map(n => n.id).join(",");
if (currentSignature !== node.lastStackSignature) {
dock.innerHTML = "";
node.lastStackSignature = currentSignature;
// Build Chips (Keep existing logic)
for (const item of stackList) {
const chip = document.createElement("div");
chip.className = "hud-chip";
if (item.mode === 2) chip.style.borderColor = "#888888";
else if (item.mode === 4) chip.style.borderColor = "#cc66ff";
const leftDots = [];
const rightDots = [];
if (item.inputs) {
for (const input of item.inputs) {
if (input.link) {
const link = graph.links[input.link];
if (link) leftDots.push(getLinkColor(link));
}
}
}
if (item.outputs) {
for (const output of item.outputs) {
if (output.links && output.links.length > 0) {
const link = graph.links[output.links[0]];
if (link) rightDots.push(getLinkColor(link));
else if (LGraphCanvas.link_type_colors[output.type]) {
rightDots.push(LGraphCanvas.link_type_colors[output.type]);
} else {
if (output.type === "STRING") rightDots.push("#66ff66");
else rightDots.push("#cccccc");
}
}
}
}
if (leftDots.length === 0 && rightDots.length === 0) {
leftDots.push("#ff4444");
}
leftDots.forEach(c => {
const d = document.createElement("div");
d.className = "hud-dot";
d.style.backgroundColor = c;
chip.appendChild(d);
});
const span = document.createElement("span");
let text = item.title || item.type;
if (text.length > 20) text = text.substring(0, 18) + "..";
span.innerText = text;
chip.appendChild(span);
rightDots.forEach(c => {
const d = document.createElement("div");
d.className = "hud-dot";
d.style.backgroundColor = c;
chip.appendChild(d);
});
dock.appendChild(chip);
}
}
// 3. Position Update (Run every frame)
const canvas = app.canvas;
const scale = canvas.ds.scale;
const offset = canvas.ds.offset;
// Get the DOM position of the canvas element itself (fixes window offset issues)
const canvasRect = canvas.canvas.getBoundingClientRect();
const scrollX = window.scrollX || window.pageXOffset;
const scrollY = window.scrollY || window.pageYOffset;
// Graph Coordinates
const graphX = node.pos[0];
const graphY = node.pos[1] + node.size[1] + 2;
// --- CORRECTION: MATCH LITEGRAPH TRANSFORM ---
const screenX = (graphX + offset[0]) * scale + canvasRect.left + scrollX;
const screenY = (graphY + offset[1]) * scale + canvasRect.top + scrollY;
// GEOMETRY ONLY
dock.style.position = "absolute";
dock.style.left = screenX + "px";
dock.style.top = screenY + "px";
dock.style.width = (node.size[0] * scale) + "px";
dock.style.transform = "none";
dock.style.margin = "0";
// --- UPDATES: Zoom Class & Z-Index ---
// 1. Zoom Logic (Around 57% zoom, text usually disappears)
if (scale < 0.58) {
dock.classList.add("hud-dock-zoomed-out");
} else {
dock.classList.remove("hud-dock-zoomed-out");
}
// 2. Z-Index Logic (Refined)
// We base the z-index on the node's position in the graph stack (0, 1, 2...).
// Standard UI widgets (like active text boxes) usually have high z-indices (1000+).
// By keeping this low, we allow other DOM elements to sit on top if needed.
let zIndex = graph._nodes.indexOf(node);
// Safety check: Ensure we don't accidentally get -1 or weird values
if (zIndex < 0) zIndex = 0;
if (node.zIndex !== undefined) {
zIndex = node.zIndex;
} else if (node.style && node.style.zIndex) {
zIndex = node.style.zIndex;
}
// Important: We assign this dynamically every frame to ensure it updates if node order changes
dock.style.zIndex = zIndex;
}