ComfyUI/web/scripts/widgets.js

372 lines
10 KiB
JavaScript

function getNumberDefaults(inputData, defaultStep) {
let defaultVal = inputData[1]["default"];
let { min, max, step } = inputData[1];
if (defaultVal == undefined) defaultVal = 0;
if (min == undefined) min = 0;
if (max == undefined) max = 2048;
if (step == undefined) step = defaultStep;
return { val: defaultVal, config: { min, max, step: 10.0 * step } };
}
export function addValueControlWidget(node, targetWidget, defaultValue = "randomize", values) {
const valueControl = node.addWidget("combo", "control_after_generate", defaultValue, function (v) { }, {
values: ["fixed", "increment", "decrement", "randomize"],
serialize: false, // Don't include this in prompt.
});
valueControl.afterQueued = () => {
var v = valueControl.value;
let min = targetWidget.options.min;
let max = targetWidget.options.max;
// limit to something that javascript can handle
max = Math.min(1125899906842624, max);
min = Math.max(-1125899906842624, min);
let range = (max - min) / (targetWidget.options.step / 10);
//adjust values based on valueControl Behaviour
switch (v) {
case "fixed":
break;
case "increment":
targetWidget.value += targetWidget.options.step / 10;
break;
case "decrement":
targetWidget.value -= targetWidget.options.step / 10;
break;
case "randomize":
targetWidget.value = Math.floor(Math.random() * range) * (targetWidget.options.step / 10) + min;
default:
break;
}
/*check if values are over or under their respective
* ranges and set them to min or max.*/
if (targetWidget.value < min)
targetWidget.value = min;
if (targetWidget.value > max)
targetWidget.value = max;
}
return valueControl;
};
function seedWidget(node, inputName, inputData) {
const seed = ComfyWidgets.INT(node, inputName, inputData);
const seedControl = addValueControlWidget(node, seed.widget, "randomize");
seed.widget.linkedWidgets = [seedControl];
return seed;
}
const MultilineSymbol = Symbol();
const MultilineResizeSymbol = Symbol();
function addMultilineWidget(node, name, opts, app) {
const MIN_SIZE = 50;
function computeSize(size) {
if (node.widgets[0].last_y == null) return;
let y = node.widgets[0].last_y;
let freeSpace = size[1] - y;
// Compute the height of all non customtext widgets
let widgetHeight = 0;
const multi = [];
for (let i = 0; i < node.widgets.length; i++) {
const w = node.widgets[i];
if (w.type === "customtext") {
multi.push(w);
} else {
if (w.computeSize) {
widgetHeight += w.computeSize()[1] + 4;
} else {
widgetHeight += LiteGraph.NODE_WIDGET_HEIGHT + 4;
}
}
}
// See how large each text input can be
freeSpace -= widgetHeight;
freeSpace /= multi.length;
if (freeSpace < MIN_SIZE) {
// There isnt enough space for all the widgets, increase the size of the node
freeSpace = MIN_SIZE;
node.size[1] = y + widgetHeight + freeSpace * multi.length;
node.graph.setDirtyCanvas(true);
}
// Position each of the widgets
for (const w of node.widgets) {
w.y = y;
if (w.type === "customtext") {
y += freeSpace;
} else if (w.computeSize) {
y += w.computeSize()[1] + 4;
} else {
y += LiteGraph.NODE_WIDGET_HEIGHT + 4;
}
}
node.inputHeight = freeSpace;
}
const widget = {
type: "customtext",
name,
get value() {
return this.inputEl.value;
},
set value(x) {
this.inputEl.value = x;
},
draw: function (ctx, _, widgetWidth, y, widgetHeight) {
if (!this.parent.inputHeight) {
// If we are initially offscreen when created we wont have received a resize event
// Calculate it here instead
computeSize(node.size);
}
const visible = app.canvas.ds.scale > 0.5 && this.type === "customtext";
const t = ctx.getTransform();
const margin = 10;
Object.assign(this.inputEl.style, {
left: `${t.a * margin + t.e}px`,
top: `${t.d * (y + widgetHeight - margin - 3) + t.f}px`,
width: `${(widgetWidth - margin * 2 - 3) * t.a}px`,
height: `${(this.parent.inputHeight - margin * 2 - 4) * t.d}px`,
position: "absolute",
zIndex: 1,
fontSize: `${t.d * 10.0}px`,
});
this.inputEl.hidden = !visible;
},
};
widget.inputEl = document.createElement("textarea");
widget.inputEl.className = "comfy-multiline-input";
widget.inputEl.value = opts.defaultVal;
widget.inputEl.placeholder = opts.placeholder || "";
document.addEventListener("mousedown", function (event) {
if (!widget.inputEl.contains(event.target)) {
widget.inputEl.blur();
}
});
widget.parent = node;
document.body.appendChild(widget.inputEl);
node.addCustomWidget(widget);
app.canvas.onDrawBackground = function () {
// Draw node isnt fired once the node is off the screen
// if it goes off screen quickly, the input may not be removed
// this shifts it off screen so it can be moved back if the node is visible.
for (let n in app.graph._nodes) {
n = graph._nodes[n];
for (let w in n.widgets) {
let wid = n.widgets[w];
if (Object.hasOwn(wid, "inputEl")) {
wid.inputEl.style.left = -8000 + "px";
wid.inputEl.style.position = "absolute";
}
}
}
};
node.onRemoved = function () {
// When removing this node we need to remove the input from the DOM
for (let y in this.widgets) {
if (this.widgets[y].inputEl) {
this.widgets[y].inputEl.remove();
}
}
};
widget.onRemove = () => {
widget.inputEl?.remove();
// Restore original size handler if we are the last
if (!--node[MultilineSymbol]) {
node.onResize = node[MultilineResizeSymbol];
delete node[MultilineSymbol];
delete node[MultilineResizeSymbol];
}
};
if (node[MultilineSymbol]) {
node[MultilineSymbol]++;
} else {
node[MultilineSymbol] = 1;
const onResize = (node[MultilineResizeSymbol] = node.onResize);
node.onResize = function (size) {
computeSize(size);
// Call original resizer handler
if (onResize) {
onResize.apply(this, arguments);
}
};
}
return { minWidth: 400, minHeight: 200, widget };
}
export const ComfyWidgets = {
"INT:seed": seedWidget,
"INT:noise_seed": seedWidget,
FLOAT(node, inputName, inputData) {
const { val, config } = getNumberDefaults(inputData, 0.5);
return { widget: node.addWidget("number", inputName, val, () => {}, config) };
},
INT(node, inputName, inputData) {
const { val, config } = getNumberDefaults(inputData, 1);
Object.assign(config, { precision: 0 });
return {
widget: node.addWidget(
"number",
inputName,
val,
function (v) {
const s = this.options.step / 10;
this.value = Math.round(v / s) * s;
},
config
),
};
},
STRING(node, inputName, inputData, app) {
const defaultVal = inputData[1].default || "";
const multiline = !!inputData[1].multiline;
if (multiline) {
return addMultilineWidget(node, inputName, { defaultVal, ...inputData[1] }, app);
} else {
return { widget: node.addWidget("text", inputName, defaultVal, () => {}, {}) };
}
},
COMBO(node, inputName, inputData) {
const type = inputData[0];
let defaultValue = type[0];
if (inputData[1] && inputData[1].default) {
defaultValue = inputData[1].default;
}
return { widget: node.addWidget("combo", inputName, defaultValue, () => {}, { values: type }) };
},
IMAGEUPLOAD(node, inputName, inputData, app) {
const imageWidget = node.widgets.find((w) => w.name === "image");
let uploadWidget;
function showImage(name) {
// Position the image somewhere sensible
if (!node.imageOffset) {
node.imageOffset = uploadWidget.last_y ? uploadWidget.last_y + 25 : 75;
}
const img = new Image();
img.onload = () => {
node.imgs = [img];
app.graph.setDirtyCanvas(true);
};
img.src = `/view?filename=${name}&type=input`;
if ((node.size[1] - node.imageOffset) < 100) {
node.size[1] = 250 + node.imageOffset;
}
}
// Add our own callback to the combo widget to render an image when it changes
const cb = node.callback;
imageWidget.callback = function () {
showImage(imageWidget.value);
if (cb) {
return cb.apply(this, arguments);
}
};
// On load if we have a value then render the image
// The value isnt set immediately so we need to wait a moment
// No change callbacks seem to be fired on initial setting of the value
requestAnimationFrame(() => {
if (imageWidget.value) {
showImage(imageWidget.value);
}
});
async function uploadFile(file, updateNode) {
try {
// Wrap file in formdata so it includes filename
const body = new FormData();
body.append("image", file);
const resp = await fetch("/upload/image", {
method: "POST",
body,
});
if (resp.status === 200) {
const data = await resp.json();
// Add the file as an option and update the widget value
if (!imageWidget.options.values.includes(data.name)) {
imageWidget.options.values.push(data.name);
}
if (updateNode) {
showImage(data.name);
imageWidget.value = data.name;
}
} else {
alert(resp.status + " - " + resp.statusText);
}
} catch (error) {
alert(error);
}
}
const fileInput = document.createElement("input");
Object.assign(fileInput, {
type: "file",
accept: "image/jpeg,image/png,image/webp",
style: "display: none",
onchange: async () => {
if (fileInput.files.length) {
await uploadFile(fileInput.files[0], true);
}
},
});
document.body.append(fileInput);
// Create the button widget for selecting the files
uploadWidget = node.addWidget("button", "choose file to upload", "image", () => {
fileInput.click();
});
uploadWidget.serialize = false;
// Add handler to check if an image is being dragged over our node
node.onDragOver = function (e) {
if (e.dataTransfer && e.dataTransfer.items) {
const image = [...e.dataTransfer.items].find((f) => f.kind === "file" && f.type.startsWith("image/"));
return !!image;
}
return false;
};
// On drop upload files
node.onDragDrop = function (e) {
console.log("onDragDrop called");
let handled = false;
for (const file of e.dataTransfer.files) {
if (file.type.startsWith("image/")) {
uploadFile(file, !handled); // Dont await these, any order is fine, only update on first one
handled = true;
}
}
return handled;
};
return { widget: uploadWidget };
},
};