438 lines
12 KiB
JavaScript
438 lines
12 KiB
JavaScript
import { api } from "./api.js"
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function getNumberDefaults(inputData, defaultStep) {
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let defaultVal = inputData[1]["default"];
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let { min, max, step } = inputData[1];
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if (defaultVal == undefined) defaultVal = 0;
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if (min == undefined) min = 0;
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if (max == undefined) max = 2048;
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if (step == undefined) step = defaultStep;
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return { val: defaultVal, config: { min, max, step: 10.0 * step } };
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}
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export function addValueControlWidget(node, targetWidget, defaultValue = "randomize", values) {
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const valueControl = node.addWidget("combo", "control_after_generate", defaultValue, function (v) { }, {
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values: ["fixed", "increment", "decrement", "randomize"],
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serialize: false, // Don't include this in prompt.
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});
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valueControl.afterQueued = () => {
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var v = valueControl.value;
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if (targetWidget.type == "combo" && v !== "fixed") {
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let current_index = targetWidget.options.values.indexOf(targetWidget.value);
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let current_length = targetWidget.options.values.length;
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switch (v) {
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case "increment":
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current_index += 1;
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break;
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case "decrement":
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current_index -= 1;
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break;
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case "randomize":
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current_index = Math.floor(Math.random() * current_length);
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default:
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break;
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}
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current_index = Math.max(0, current_index);
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current_index = Math.min(current_length - 1, current_index);
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if (current_index >= 0) {
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let value = targetWidget.options.values[current_index];
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targetWidget.value = value;
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targetWidget.callback(value);
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}
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} else { //number
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let min = targetWidget.options.min;
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let max = targetWidget.options.max;
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// limit to something that javascript can handle
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max = Math.min(1125899906842624, max);
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min = Math.max(-1125899906842624, min);
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let range = (max - min) / (targetWidget.options.step / 10);
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//adjust values based on valueControl Behaviour
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switch (v) {
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case "fixed":
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break;
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case "increment":
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targetWidget.value += targetWidget.options.step / 10;
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break;
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case "decrement":
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targetWidget.value -= targetWidget.options.step / 10;
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break;
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case "randomize":
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targetWidget.value = Math.floor(Math.random() * range) * (targetWidget.options.step / 10) + min;
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default:
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break;
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}
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/*check if values are over or under their respective
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* ranges and set them to min or max.*/
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if (targetWidget.value < min)
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targetWidget.value = min;
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if (targetWidget.value > max)
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targetWidget.value = max;
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}
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}
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return valueControl;
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};
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function seedWidget(node, inputName, inputData) {
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const seed = ComfyWidgets.INT(node, inputName, inputData);
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const seedControl = addValueControlWidget(node, seed.widget, "randomize");
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seed.widget.linkedWidgets = [seedControl];
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return seed;
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}
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const MultilineSymbol = Symbol();
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const MultilineResizeSymbol = Symbol();
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function addMultilineWidget(node, name, opts, app) {
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const MIN_SIZE = 50;
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function computeSize(size) {
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if (node.widgets[0].last_y == null) return;
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let y = node.widgets[0].last_y;
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let freeSpace = size[1] - y;
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// Compute the height of all non customtext widgets
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let widgetHeight = 0;
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const multi = [];
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for (let i = 0; i < node.widgets.length; i++) {
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const w = node.widgets[i];
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if (w.type === "customtext") {
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multi.push(w);
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} else {
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if (w.computeSize) {
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widgetHeight += w.computeSize()[1] + 4;
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} else {
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widgetHeight += LiteGraph.NODE_WIDGET_HEIGHT + 4;
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}
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}
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}
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// See how large each text input can be
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freeSpace -= widgetHeight;
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freeSpace /= multi.length + (!!node.imgs?.length);
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if (freeSpace < MIN_SIZE) {
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// There isnt enough space for all the widgets, increase the size of the node
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freeSpace = MIN_SIZE;
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node.size[1] = y + widgetHeight + freeSpace * (multi.length + (!!node.imgs?.length));
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node.graph.setDirtyCanvas(true);
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}
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// Position each of the widgets
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for (const w of node.widgets) {
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w.y = y;
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if (w.type === "customtext") {
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y += freeSpace;
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w.computedHeight = freeSpace - multi.length*4;
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} else if (w.computeSize) {
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y += w.computeSize()[1] + 4;
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} else {
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y += LiteGraph.NODE_WIDGET_HEIGHT + 4;
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}
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}
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node.inputHeight = freeSpace;
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}
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const widget = {
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type: "customtext",
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name,
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get value() {
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return this.inputEl.value;
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},
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set value(x) {
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this.inputEl.value = x;
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},
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draw: function (ctx, _, widgetWidth, y, widgetHeight) {
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if (!this.parent.inputHeight) {
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// If we are initially offscreen when created we wont have received a resize event
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// Calculate it here instead
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computeSize(node.size);
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}
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const visible = app.canvas.ds.scale > 0.5 && this.type === "customtext";
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const margin = 10;
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const elRect = ctx.canvas.getBoundingClientRect();
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const transform = new DOMMatrix()
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.scaleSelf(elRect.width / ctx.canvas.width, elRect.height / ctx.canvas.height)
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.multiplySelf(ctx.getTransform())
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.translateSelf(margin, margin + y);
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const scale = new DOMMatrix().scaleSelf(transform.a, transform.d)
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Object.assign(this.inputEl.style, {
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transformOrigin: "0 0",
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transform: scale,
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left: `${transform.a + transform.e}px`,
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top: `${transform.d + transform.f}px`,
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width: `${widgetWidth - (margin * 2)}px`,
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height: `${this.parent.inputHeight - (margin * 2)}px`,
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position: "absolute",
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background: (!node.color)?'':node.color,
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color: (!node.color)?'':'white',
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zIndex: app.graph._nodes.indexOf(node),
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});
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this.inputEl.hidden = !visible;
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},
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};
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widget.inputEl = document.createElement("textarea");
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widget.inputEl.className = "comfy-multiline-input";
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widget.inputEl.value = opts.defaultVal;
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widget.inputEl.placeholder = opts.placeholder || "";
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document.addEventListener("mousedown", function (event) {
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if (!widget.inputEl.contains(event.target)) {
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widget.inputEl.blur();
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}
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});
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widget.parent = node;
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document.body.appendChild(widget.inputEl);
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node.addCustomWidget(widget);
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app.canvas.onDrawBackground = function () {
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// Draw node isnt fired once the node is off the screen
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// if it goes off screen quickly, the input may not be removed
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// this shifts it off screen so it can be moved back if the node is visible.
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for (let n in app.graph._nodes) {
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n = graph._nodes[n];
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for (let w in n.widgets) {
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let wid = n.widgets[w];
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if (Object.hasOwn(wid, "inputEl")) {
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wid.inputEl.style.left = -8000 + "px";
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wid.inputEl.style.position = "absolute";
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}
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}
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}
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};
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node.onRemoved = function () {
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// When removing this node we need to remove the input from the DOM
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for (let y in this.widgets) {
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if (this.widgets[y].inputEl) {
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this.widgets[y].inputEl.remove();
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}
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}
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};
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widget.onRemove = () => {
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widget.inputEl?.remove();
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// Restore original size handler if we are the last
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if (!--node[MultilineSymbol]) {
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node.onResize = node[MultilineResizeSymbol];
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delete node[MultilineSymbol];
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delete node[MultilineResizeSymbol];
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}
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};
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if (node[MultilineSymbol]) {
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node[MultilineSymbol]++;
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} else {
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node[MultilineSymbol] = 1;
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const onResize = (node[MultilineResizeSymbol] = node.onResize);
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node.onResize = function (size) {
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computeSize(size);
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// Call original resizer handler
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if (onResize) {
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onResize.apply(this, arguments);
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}
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};
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}
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return { minWidth: 400, minHeight: 200, widget };
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}
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export const ComfyWidgets = {
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"INT:seed": seedWidget,
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"INT:noise_seed": seedWidget,
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FLOAT(node, inputName, inputData) {
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const { val, config } = getNumberDefaults(inputData, 0.5);
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return { widget: node.addWidget("number", inputName, val, () => {}, config) };
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},
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INT(node, inputName, inputData) {
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const { val, config } = getNumberDefaults(inputData, 1);
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Object.assign(config, { precision: 0 });
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return {
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widget: node.addWidget(
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"number",
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inputName,
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val,
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function (v) {
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const s = this.options.step / 10;
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this.value = Math.round(v / s) * s;
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},
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config
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),
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};
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},
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STRING(node, inputName, inputData, app) {
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const defaultVal = inputData[1].default || "";
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const multiline = !!inputData[1].multiline;
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if (multiline) {
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return addMultilineWidget(node, inputName, { defaultVal, ...inputData[1] }, app);
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} else {
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return { widget: node.addWidget("text", inputName, defaultVal, () => {}, {}) };
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}
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},
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COMBO(node, inputName, inputData) {
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const type = inputData[0];
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let defaultValue = type[0];
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if (inputData[1] && inputData[1].default) {
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defaultValue = inputData[1].default;
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}
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return { widget: node.addWidget("combo", inputName, defaultValue, () => {}, { values: type }) };
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},
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IMAGEUPLOAD(node, inputName, inputData, app) {
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const imageWidget = node.widgets.find((w) => w.name === "image");
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let uploadWidget;
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function showImage(name) {
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const img = new Image();
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img.onload = () => {
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node.imgs = [img];
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app.graph.setDirtyCanvas(true);
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};
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let folder_separator = name.lastIndexOf("/");
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let subfolder = "";
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if (folder_separator > -1) {
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subfolder = name.substring(0, folder_separator);
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name = name.substring(folder_separator + 1);
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}
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img.src = api.apiURL(`/view?filename=${name}&type=input&subfolder=${subfolder}${app.getPreviewFormatParam()}`);
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node.setSizeForImage?.();
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}
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var default_value = imageWidget.value;
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Object.defineProperty(imageWidget, "value", {
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set : function(value) {
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this._real_value = value;
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},
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get : function() {
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let value = "";
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if (this._real_value) {
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value = this._real_value;
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} else {
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return default_value;
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}
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if (value.filename) {
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let real_value = value;
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value = "";
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if (real_value.subfolder) {
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value = real_value.subfolder + "/";
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}
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value += real_value.filename;
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if(real_value.type && real_value.type !== "input")
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value += ` [${real_value.type}]`;
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}
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return value;
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}
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});
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// Add our own callback to the combo widget to render an image when it changes
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const cb = node.callback;
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imageWidget.callback = function () {
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showImage(imageWidget.value);
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if (cb) {
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return cb.apply(this, arguments);
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}
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};
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// On load if we have a value then render the image
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// The value isnt set immediately so we need to wait a moment
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// No change callbacks seem to be fired on initial setting of the value
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requestAnimationFrame(() => {
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if (imageWidget.value) {
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showImage(imageWidget.value);
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}
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});
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async function uploadFile(file, updateNode) {
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try {
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// Wrap file in formdata so it includes filename
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const body = new FormData();
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body.append("image", file);
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const resp = await api.fetchApi("/upload/image", {
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method: "POST",
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body,
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});
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if (resp.status === 200) {
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const data = await resp.json();
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// Add the file as an option and update the widget value
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if (!imageWidget.options.values.includes(data.name)) {
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imageWidget.options.values.push(data.name);
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}
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if (updateNode) {
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showImage(data.name);
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imageWidget.value = data.name;
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}
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} else {
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alert(resp.status + " - " + resp.statusText);
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}
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} catch (error) {
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alert(error);
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}
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}
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const fileInput = document.createElement("input");
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Object.assign(fileInput, {
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type: "file",
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accept: "image/jpeg,image/png,image/webp",
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style: "display: none",
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onchange: async () => {
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if (fileInput.files.length) {
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await uploadFile(fileInput.files[0], true);
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}
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},
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});
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document.body.append(fileInput);
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// Create the button widget for selecting the files
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uploadWidget = node.addWidget("button", "choose file to upload", "image", () => {
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fileInput.click();
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});
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uploadWidget.serialize = false;
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// Add handler to check if an image is being dragged over our node
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node.onDragOver = function (e) {
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if (e.dataTransfer && e.dataTransfer.items) {
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const image = [...e.dataTransfer.items].find((f) => f.kind === "file" && f.type.startsWith("image/"));
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return !!image;
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}
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return false;
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};
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// On drop upload files
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node.onDragDrop = function (e) {
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console.log("onDragDrop called");
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let handled = false;
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for (const file of e.dataTransfer.files) {
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if (file.type.startsWith("image/")) {
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uploadFile(file, !handled); // Dont await these, any order is fine, only update on first one
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handled = true;
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}
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}
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return handled;
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};
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return { widget: uploadWidget };
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},
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};
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