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(function () {
const delay = 2500;
const ImageChangeType = Object.freeze({
NO_CHANGE: 0,
REMOVE: 1,
ADD: 2,
SRC_CHANGE: 3,
});
/** @param {MutationRecord[]} mutationsList @returns {ImageChangeType} */
function imageChangeObserved(mutationsList) {
for (const mutation of mutationsList) {
if (mutation.type === 'childList') {
if (mutation.addedNodes.length > 0) {
for (const node of mutation.addedNodes) {
if (node.tagName === 'IMG')
return ImageChangeType.ADD;
}
}
if (mutation.removedNodes.length > 0) {
for (const node of mutation.removedNodes) {
if (node.tagName === 'IMG')
return ImageChangeType.REMOVE;
}
}
}
else if (mutation.type === 'attributes') {
if (mutation.target.tagName === 'IMG' && mutation.attributeName === 'src')
return ImageChangeType.SRC_CHANGE;
}
}
return ImageChangeType.NO_CHANGE;
}
/** @param {HTMLElement} element @returns {number} */
function childIndex(element) {
return Array.from(element.parentNode.childNodes)
.filter(child => child.nodeType === Node.ELEMENT_NODE)
.indexOf(element);
}
class ControlNetUnit {
constructor(unit) {
/** @type {HTMLElement} */
this.unit = unit;
/** @type {number} */
this.tabIndex = childIndex(unit);
/** @type {boolean} */
this.isT2I = !unit.querySelector('.cnet-mask-upload').id.includes('img2img');
this.enabledCheckbox = unit.querySelector('.cnet-unit-enabled input');
this.controlTypeRadios = unit.querySelectorAll('.controlnet_control_type_filter_group input[type="radio"]');
this.inputImageContainer = unit.querySelector('.cnet-input-image-group .cnet-image');
this.runPreprocessorButton = unit.querySelector('.cnet-run-preprocessor');
this.#attachA1111SendInfoObserver();
this.#attachControlTypeRadioListener();
this.#attachEnabledButtonListener();
this.#attachImageStateChangeObserver();
this.#attachPresetDropdownObserver();
/** @type {string} */
this.suffix = "";
/** @type {boolean} */
this.enabled = false;
}
#attachA1111SendInfoObserver() {
const pasteButton = document.getElementById(
this.isT2I ? 'txt2img_tools' : 'img2img_tools'
).querySelector('#paste');
const infoButtons = document.querySelectorAll(
this.isT2I ? '#txt2img_tab' :
'#img2img_tab, #inpaint_tab'
);
for (const button of [pasteButton, ...infoButtons]) {
button.addEventListener('click', () => {
setTimeout(() => { this.#updateActiveState(); }, delay);
});
}
}
#attachControlTypeRadioListener() {
for (const radio of this.controlTypeRadios) {
radio.addEventListener('change', () => {
this.#updateActiveControlType();
});
}
}
#attachEnabledButtonListener() {
this.enabledCheckbox.addEventListener('change', () => {
this.#updateActiveState();
});
}
#attachImageStateChangeObserver() {
const mo = new MutationObserver((mutationsList) => {
const changeObserved = imageChangeObserved(mutationsList);
if (changeObserved === ImageChangeType.ADD) {
this.runPreprocessorButton.removeAttribute("disabled");
this.runPreprocessorButton.title = 'Run Preprocessor';
}
else if (changeObserved === ImageChangeType.REMOVE) {
this.runPreprocessorButton.setAttribute("disabled", true);
this.runPreprocessorButton.title = "No Input Image";
}
});
mo.observe(this.inputImageContainer, {
childList: true,
subtree: true,
});
}
#attachPresetDropdownObserver() {
const mo = new MutationObserver((mutationsList) => {
for (const mutation of mutationsList) {
if (mutation.removedNodes.length > 0) {
setTimeout(() => {
this.#updateActiveState();
this.#updateActiveControlType();
}, delay);
break;
}
}
});
const presetDropdown = this.unit.querySelector('.cnet-preset-dropdown');
mo.observe(presetDropdown, {
childList: true,
subtree: true,
});
}
#updateActiveState() {
const tabHeader = this.#getTabHeader();
this.enabled = this.enabledCheckbox.checked;
if (this.enabled)
tabHeader.classList.add('cnet-unit-active');
else
tabHeader.classList.remove('cnet-unit-active');
}
#updateActiveControlType() {
const tabHeader = this.#getTabHeader();
let controlTypeSuffix = tabHeader.querySelector('.control-type-suffix');
if (controlTypeSuffix == null) {
const span = document.createElement('span');
span.classList.add('control-type-suffix');
tabHeader.appendChild(span);
controlTypeSuffix = span;
}
const controlType = this.#getActiveControlType();
if (controlType === 'All')
this.suffix = '';
else
this.suffix = `[${controlType}]`;
controlTypeSuffix.textContent = this.suffix;
}
#getTabHeader() {
return this.unit.parentElement.querySelectorAll('.tab-nav>button')[this.tabIndex - 1];
}
#getActiveControlType() {
for (let radio of this.controlTypeRadios) {
if (radio.checked) {
return radio.value;
}
}
return undefined;
}
getStatus() {
return [this.enabled, this.suffix];
}
}
onUiLoaded(() => {
document.querySelectorAll('#controlnet').forEach((ext) => {
const units = [];
const tabs = [...ext.querySelectorAll('.controlnet_tabs>.tabitem')];
tabs.map((unit) => { units.push(new ControlNetUnit(unit)); });
const nav = ext.querySelector(".tab-nav");
function updateStatus() {
for (const [i, btn] of Array.from(nav.querySelectorAll("button")).entries()) {
const [isOn, suffix] = units[i].getStatus();
if (isOn)
btn.classList.add('cnet-unit-active');
if (suffix) {
const span = document.createElement('span');
span.classList.add('control-type-suffix');
span.textContent = suffix;
btn.appendChild(span);
}
}
}
nav.addEventListener("click", () => updateStatus());
});
});
})();
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