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/**
* Give a badge on ControlNet Accordion indicating total number of active
* units.
* Make active unit's tab name green.
* Append control type to tab name.
* Disable resize mode selection when A1111 img2img input is used.
*/
(function () {
const cnetAllAccordions = new Set();
onUiUpdate(() => {
const ImgChangeType = {
NO_CHANGE: 0,
REMOVE: 1,
ADD: 2,
SRC_CHANGE: 3,
};
function imgChangeObserved(mutationsList) {
// Iterate over all mutations that just occured
for (let mutation of mutationsList) {
// Check if the mutation is an addition or removal of a node
if (mutation.type === 'childList') {
// Check if nodes were added
if (mutation.addedNodes.length > 0) {
for (const node of mutation.addedNodes) {
if (node.tagName === 'IMG') {
return ImgChangeType.ADD;
}
}
}
// Check if nodes were removed
if (mutation.removedNodes.length > 0) {
for (const node of mutation.removedNodes) {
if (node.tagName === 'IMG') {
return ImgChangeType.REMOVE;
}
}
}
}
// Check if the mutation is a change of an attribute
else if (mutation.type === 'attributes') {
if (mutation.target.tagName === 'IMG' && mutation.attributeName === 'src') {
return ImgChangeType.SRC_CHANGE;
}
}
}
return ImgChangeType.NO_CHANGE;
}
function childIndex(element) {
// Get all child nodes of the parent
let children = Array.from(element.parentNode.childNodes);
// Filter out non-element nodes (like text nodes and comments)
children = children.filter(child => child.nodeType === Node.ELEMENT_NODE);
return children.indexOf(element);
}
function imageInputDisabledAlert() {
alert('Inpaint control type must use a1111 input in img2img mode.');
}
class ControlNetUnitTab {
constructor(tab, accordion) {
this.tab = tab;
this.tabOpen = false; // Whether the tab is open.
this.accordion = accordion;
this.isImg2Img = tab.querySelector('.cnet-mask-upload').id.includes('img2img');
this.enabledAccordionCheckbox = tab.querySelector('.input-accordion-checkbox');
this.enabledCheckbox = tab.querySelector('.cnet-unit-enabled input');
this.inputImage = tab.querySelector('.cnet-input-image-group .cnet-image input[type="file"]');
this.inputImageContainer = tab.querySelector('.cnet-input-image-group .cnet-image');
this.generatedImageGroup = tab.querySelector('.cnet-generated-image-group');
this.maskImageGroup = tab.querySelector('.cnet-mask-image-group');
this.inputImageGroup = tab.querySelector('.cnet-input-image-group');
this.controlTypeRadios = tab.querySelectorAll('.controlnet_control_type_filter_group input[type="radio"]');
this.resizeModeRadios = tab.querySelectorAll('.controlnet_resize_mode_radio input[type="radio"]');
this.runPreprocessorButton = tab.querySelector('.cnet-run-preprocessor');
this.tabs = tab.parentNode;
this.tabIndex = childIndex(tab);
// By default the InputAccordion checkbox is linked with the state
// of accordion's open/close state. To disable this link, we can
// simulate click to check the checkbox and uncheck it.
this.enabledAccordionCheckbox.click();
this.enabledAccordionCheckbox.click();
this.sync_enabled_checkbox();
this.attachEnabledButtonListener();
this.attachControlTypeRadioListener();
this.attachImageUploadListener();
this.attachImageStateChangeObserver();
this.attachA1111SendInfoObserver();
this.attachPresetDropdownObserver();
this.attachAccordionStateObserver();
}
/**
* Sync the states of enabledCheckbox and enabledAccordionCheckbox.
*/
sync_enabled_checkbox() {
this.enabledCheckbox.addEventListener("change", () => {
if (this.enabledAccordionCheckbox.checked != this.enabledCheckbox.checked) {
this.enabledAccordionCheckbox.click();
}
});
this.enabledAccordionCheckbox.addEventListener("change", () => {
if (this.enabledCheckbox.checked != this.enabledAccordionCheckbox.checked) {
this.enabledCheckbox.click();
}
});
}
/**
* Get the span that has text "Unit {X}".
*/
getUnitHeaderTextElement() {
return this.tab.querySelector(
`:nth-child(${this.tabIndex + 1}) span.svelte-s1r2yt`
);
}
getActiveControlType() {
for (let radio of this.controlTypeRadios) {
if (radio.checked) {
return radio.value;
}
}
return undefined;
}
updateActiveState() {
const unitHeader = this.getUnitHeaderTextElement();
if (!unitHeader) return;
if (this.enabledCheckbox.checked) {
unitHeader.classList.add('cnet-unit-active');
} else {
unitHeader.classList.remove('cnet-unit-active');
}
}
updateActiveUnitCount() {
function getActiveUnitCount(checkboxes) {
let activeUnitCount = 0;
for (const checkbox of checkboxes) {
if (checkbox.checked)
activeUnitCount++;
}
return activeUnitCount;
}
const checkboxes = this.accordion.querySelectorAll('.cnet-unit-enabled input');
const span = this.accordion.querySelector('.label-wrap span');
// Remove existing badge.
if (span.childNodes.length !== 1) {
span.removeChild(span.lastChild);
}
// Add new badge if necessary.
const activeUnitCount = getActiveUnitCount(checkboxes);
if (activeUnitCount > 0) {
const div = document.createElement('div');
div.classList.add('cnet-badge');
div.classList.add('primary');
div.innerHTML = `${activeUnitCount} unit${activeUnitCount > 1 ? 's' : ''}`;
span.appendChild(div);
}
}
/**
* Add the active control type to tab displayed text.
*/
updateActiveControlType() {
const unitHeader = this.getUnitHeaderTextElement();
if (!unitHeader) return;
// Remove the control if exists
const controlTypeSuffix = unitHeader.querySelector('.control-type-suffix');
if (controlTypeSuffix) controlTypeSuffix.remove();
// Add new suffix.
const controlType = this.getActiveControlType();
if (controlType === 'All') return;
const span = document.createElement('span');
span.innerHTML = `[${controlType}]`;
span.classList.add('control-type-suffix');
unitHeader.appendChild(span);
}
getInputImageSrc() {
const img = this.inputImageGroup.querySelector('.cnet-image img');
return img ? img.src : null;
}
getPreprocessorPreviewImageSrc() {
const img = this.generatedImageGroup.querySelector('.cnet-image img');
return img ? img.src : null;
}
getMaskImageSrc() {
function isEmptyCanvas(canvas) {
if (!canvas) return true;
const ctx = canvas.getContext('2d');
// Get the image data
const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
const data = imageData.data; // This is a Uint8ClampedArray
// Check each pixel
let isPureBlack = true;
for (let i = 0; i < data.length; i += 4) {
if (data[i] !== 0 || data[i + 1] !== 0 || data[i + 2] !== 0) { // Check RGB values
isPureBlack = false;
break;
}
}
return isPureBlack;
}
const maskImg = this.maskImageGroup.querySelector('.cnet-mask-image img');
// Hand-drawn mask on mask upload.
const handDrawnMaskCanvas = this.maskImageGroup.querySelector('.cnet-mask-image canvas[key="mask"]');
// Hand-drawn mask on input image upload.
const inputImageHandDrawnMaskCanvas = this.inputImageGroup.querySelector('.cnet-image canvas[key="mask"]');
if (!isEmptyCanvas(handDrawnMaskCanvas)) {
return handDrawnMaskCanvas.toDataURL();
} else if (maskImg) {
return maskImg.src;
} else if (!isEmptyCanvas(inputImageHandDrawnMaskCanvas)) {
return inputImageHandDrawnMaskCanvas.toDataURL();
} else {
return null;
}
}
setThumbnail(imgSrc, maskSrc) {
if (!imgSrc) return;
const unitHeader = this.getUnitHeaderTextElement();
if (!unitHeader) return;
const img = document.createElement('img');
img.src = imgSrc;
img.classList.add('cnet-thumbnail');
unitHeader.appendChild(img);
if (maskSrc) {
const mask = document.createElement('img');
mask.src = maskSrc;
mask.classList.add('cnet-thumbnail');
unitHeader.appendChild(mask);
}
}
removeThumbnail() {
const unitHeader = this.getUnitHeaderTextElement();
if (!unitHeader) return;
const imgs = unitHeader.querySelectorAll('.cnet-thumbnail');
for (const img of imgs) {
img.remove();
}
}
/**
* When the accordion is folded, display a thumbnail of input image
* and mask on the accordion header.
*/
updateInputImageThumbnail() {
if (!opts.controlnet_input_thumbnail) return;
if (this.tabOpen) {
this.removeThumbnail();
} else {
this.setThumbnail(this.getInputImageSrc(), this.getMaskImageSrc());
}
}
attachEnabledButtonListener() {
this.enabledCheckbox.addEventListener('change', () => {
this.updateActiveState();
this.updateActiveUnitCount();
});
}
attachControlTypeRadioListener() {
for (const radio of this.controlTypeRadios) {
radio.addEventListener('change', () => {
this.updateActiveControlType();
});
}
}
attachImageUploadListener() {
// Automatically check `enable` checkbox when image is uploaded.
this.inputImage.addEventListener('change', (event) => {
if (!event.target.files) return;
if (!this.enabledCheckbox.checked)
this.enabledCheckbox.click();
});
// Automatically check `enable` checkbox when JSON pose file is uploaded.
this.tab.querySelector('.cnet-upload-pose input').addEventListener('change', (event) => {
if (!event.target.files) return;
if (!this.enabledCheckbox.checked)
this.enabledCheckbox.click();
});
}
attachImageStateChangeObserver() {
new MutationObserver((mutationsList) => {
const changeObserved = imgChangeObserved(mutationsList);
if (changeObserved === ImgChangeType.ADD) {
// enabling the run preprocessor button
this.runPreprocessorButton.removeAttribute("disabled");
this.runPreprocessorButton.title = 'Run preprocessor';
}
if (changeObserved === ImgChangeType.REMOVE) {
// disabling the run preprocessor button
this.runPreprocessorButton.setAttribute("disabled", true);
this.runPreprocessorButton.title = "No ControlNet input image available";
}
}).observe(this.inputImageContainer, {
childList: true,
subtree: true,
});
}
/**
* Observe send PNG info buttons in A1111, as they can also directly
* set states of ControlNetUnit.
*/
attachA1111SendInfoObserver() {
const pasteButtons = gradioApp().querySelectorAll('#paste');
const pngButtons = gradioApp().querySelectorAll(
this.isImg2Img ?
'#img2img_tab, #inpaint_tab' :
'#txt2img_tab'
);
for (const button of [...pasteButtons, ...pngButtons]) {
button.addEventListener('click', () => {
// The paste/send img generation info feature goes
// though gradio, which is pretty slow. Ideally we should
// observe the event when gradio has done the job, but
// that is not an easy task.
// Here we just do a 2 second delay until the refresh.
setTimeout(() => {
this.updateActiveState();
this.updateActiveUnitCount();
}, 2000);
});
}
}
attachPresetDropdownObserver() {
const presetDropDown = this.tab.querySelector('.cnet-preset-dropdown');
new MutationObserver((mutationsList) => {
for (const mutation of mutationsList) {
if (mutation.removedNodes.length > 0) {
setTimeout(() => {
this.updateActiveState();
this.updateActiveUnitCount();
this.updateActiveControlType();
}, 1000);
return;
}
}
}).observe(presetDropDown, {
childList: true,
subtree: true,
});
}
/**
* Observer that triggers when the ControlNetUnit's accordion(tab) closes.
*/
attachAccordionStateObserver() {
new MutationObserver((mutationsList) => {
for(const mutation of mutationsList) {
if (mutation.type === 'attributes' && mutation.attributeName === 'class') {
const newState = mutation.target.classList.contains('open');
if (this.tabOpen != newState) {
this.tabOpen = newState;
if (newState) {
this.onAccordionOpen();
} else {
this.onAccordionClose();
}
}
}
}
}).observe(this.tab.querySelector('.label-wrap'), { attributes: true, attributeFilter: ['class'] });
}
onAccordionOpen() {
this.updateInputImageThumbnail();
}
onAccordionClose() {
this.updateInputImageThumbnail();
}
}
gradioApp().querySelectorAll('#controlnet').forEach(accordion => {
if (cnetAllAccordions.has(accordion)) return;
const tabs = [...accordion.querySelectorAll('.input-accordion')]
.map(tab => new ControlNetUnitTab(tab, accordion));
// On open of main extension accordion, if no unit is enabled,
// open unit 0 for edit.
const labelWrap = accordion.querySelector('.label-wrap');
const observerAccordionOpen = new MutationObserver(function (mutations) {
for (const mutation of mutations) {
if (mutation.target.classList.contains('open') &&
tabs.every(tab => !tab.enabledCheckbox.checked &&
!tab.tab.querySelector('.label-wrap').classList.contains('open'))
) {
tabs[0].tab.querySelector('.label-wrap').click();
}
}
});
observerAccordionOpen.observe(labelWrap, { attributes: true, attributeFilter: ['class'] });
cnetAllAccordions.add(accordion);
});
});
})(); |