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class ForgeCouple {
static previewRes = {};
static previewBtn = {};
static mappingTable = {};
static manualIndex = {};
static row_btns = {};
static row_btns_containers = {};
static bbox = {};
static coords = [[-1, -1], [-1, -1]];
static COLORS = [
"hsl(0, 36%, 36%)",
"hsl(30, 36%, 36%)",
"hsl(60, 36%, 36%)",
"hsl(120, 36%, 36%)",
"hsl(240, 36%, 36%)",
"hsl(280, 36%, 36%)",
"hsl(320, 36%, 36%)"
];
/**
* Update the color of the rows based on the order and selection
* @param {string} mode "t2i" | "i2i"
*/
static updateColors(mode) {
const selection = parseInt(this.manualIndex[mode].value);
const rows = this.mappingTable[mode].querySelectorAll("tr");
rows.forEach((row, i) => {
const bg = (selection === i) ?
"var(--table-row-focus)" :
`var(--table-${(i % 2 == 0) ? "odd" : "even"}-background-fill)`;
row.style.background = `linear-gradient(to right, ${bg} 80%, ${this.COLORS[i % this.COLORS.length]})`;
});
if (selection < 0 || selection >= rows.length) {
ForgeCouple.bbox[mode].hideBox();
this.row_btns[mode].style.display = "none";
}
else
ForgeCouple.bbox[mode].showBox(this.COLORS[selection], rows[selection]);
}
/**
* When updating the mappings, trigger a preview
* @param {string} mode "t2i" | "i2i"
*/
static async preview(mode) {
if (!mode)
return;
if (mode.length === 3) {
const input = ForgeCouple.mappingTable[mode].querySelector("input");
if (input != null && input.type != "file")
return;
}
setTimeout(async () => {
var res = null;
var file = null;
if (mode === "t2i") {
const w = parseInt(gradioApp().getElementById("txt2img_width").querySelector("input").value);
const h = parseInt(gradioApp().getElementById("txt2img_height").querySelector("input").value);
res = `${w}x${h}`;
} else {
const i2i_size = gradioApp().getElementById("img2img_column_size").querySelector(".tab-nav");
if (mode !== "i2i") {
file = mode;
mode = "i2i";
}
if (i2i_size.children[0].classList.contains("selected")) {
// Resize to
const w = parseInt(gradioApp().getElementById("img2img_width").querySelector("input").value);
const h = parseInt(gradioApp().getElementById("img2img_height").querySelector("input").value);
res = `${w}x${h}`;
} else {
// Resize by
if (file) {
const dim = await this.img2resolution(file);
res = `${dim.w}x${dim.h}`;
} else {
res = gradioApp().getElementById("img2img_scale_resolution_preview")?.querySelector(".resolution")?.textContent;
if (!res)
res = "1024x1024";
}
}
}
this.previewRes[mode].value = res;
updateInput(this.previewRes[mode]);
this.previewBtn[mode].click();
}, (mode === "t2i") ? 16 : 32);
}
/**
* When clicking on a row, update the index
* @param {string} mode "t2i" | "i2i"
*/
static onSelect(mode) {
const rows = this.mappingTable[mode].querySelectorAll("tr");
rows.forEach((row, i) => {
if (row.querySelector(":focus-within") != null) {
if (this.manualIndex[mode].value == i) {
this.manualIndex[mode].value = -1;
this.row_btns[mode].style.display = "none";
}
else {
this.manualIndex[mode].value = i;
const bounding = row.querySelector("td").getBoundingClientRect();
const bounding_container = this.row_btns_containers[mode].getBoundingClientRect();
this.row_btns[mode].style.top = `calc(${bounding.top - bounding_container.top}px - 1em)`;
this.row_btns[mode].style.display = "block";
}
updateInput(this.manualIndex[mode]);
}
});
this.updateColors(mode);
}
/**
* When hovering on a row, try to show the corresponding prompt
* @param {string} mode "t2i" | "i2i"
* @param {Element} separator
*/
static registerHovering(mode, separator) {
const promptHint = document.createElement("div");
promptHint.classList.add("prompt-hint");
const table = ForgeCouple.mappingTable[mode].parentElement.parentElement.parentElement;
table.appendChild(promptHint);
var showHint = true;
table.addEventListener('contextmenu', (e) => {
if (e.ctrlKey) {
e.preventDefault();
showHint = !showHint;
}
});
ForgeCouple.mappingTable[mode].addEventListener('mousemove', (e) => {
if (!showHint) {
promptHint.style.display = 'none';
return;
}
var el = e.target;
while (el.tagName !== 'TR') {
el = el.parentElement;
if (el.tagName === 'TABLE') {
promptHint.style.display = 'none';
return;
}
}
const prompt = gradioApp().getElementById(`${mode === "t2i" ? "txt" : "img"}2img_prompt`).querySelector("textarea").value;
var sep = separator.value.trim();
if (!sep)
sep = "\n";
const rows = [...ForgeCouple.mappingTable[mode].querySelectorAll("tr")];
const rowIndex = rows.indexOf(el);
if (!prompt.trim()) {
promptHint.style.display = 'none';
return;
}
if (rowIndex < prompt.split(sep).length)
promptHint.innerHTML = prompt.split(sep)[rowIndex].replaceAll("<", "<").replaceAll(">", ">");
else
promptHint.innerHTML = '<p style="color:red;"><i>missing...</i></p>';
promptHint.style.left = `calc(${e.clientX}px + 1em)`;
promptHint.style.top = `calc(${e.clientY}px + 1em)`;
promptHint.style.display = 'block';
});
ForgeCouple.mappingTable[mode].addEventListener('mouseleave', (e) => {
promptHint.style.display = 'none';
});
}
/** Hook some elements to automatically refresh the resolution */
static registerResolutionHandles() {
[["txt2img", "t2i"], ["img2img", "i2i"]].forEach(([tab, mode]) => {
const btns = gradioApp().getElementById(`${tab}_dimensions_row`)?.querySelectorAll("button");
if (btns != null)
btns.forEach((btn) => { btn.onclick = () => { ForgeCouple.preview(mode); } });
const width = gradioApp().getElementById(`${tab}_width`).querySelectorAll("input");
const height = gradioApp().getElementById(`${tab}_height`).querySelectorAll("input");
[...width, ...height].forEach((slider) => {
slider.addEventListener("change", () => { ForgeCouple.preview(mode); });
});
});
const i2i_size_btns = gradioApp().getElementById("img2img_column_size").querySelector(".tab-nav");
i2i_size_btns.addEventListener("click", () => { ForgeCouple.preview("i2i"); });
const tabs = gradioApp().querySelector('#tabs').querySelector('.tab-nav');
tabs.addEventListener("click", () => {
if (tabs.children[0].classList.contains("selected"))
ForgeCouple.preview("t2i");
if (tabs.children[1].classList.contains("selected"))
ForgeCouple.preview("i2i");
});
}
/**
* Given an image, return the width and height
* @param {string} b64 Image in base64 encoding
* @returns {object} {w, h}
*/
static img2resolution(b64) {
return new Promise(function (resolved, rejected) {
var i = new Image()
i.onload = function () {
resolved({ w: i.width, h: i.height })
};
i.src = b64;
});
}
}
onUiLoaded(async () => {
["t2i", "i2i"].forEach((mode) => {
const ex = gradioApp().getElementById(`forge_couple_${mode}`);
ForgeCouple.previewRes[mode] = ex.querySelector(".fc_preview_res").querySelector("input");
ForgeCouple.previewBtn[mode] = ex.querySelector(".fc_preview_real");
ForgeCouple.mappingTable[mode] = ex.querySelector(".fc_mapping").querySelector("tbody");
ForgeCouple.manualIndex[mode] = ex.querySelector(".fc_index").querySelector("input");
ForgeCouple.row_btns[mode] = ex.querySelector(".fc_row_btns");
ForgeCouple.registerHovering(mode, ex.querySelector(".fc_separator").querySelector("input"));
ForgeCouple.row_btns[mode].style.display = "none";
ForgeCouple.row_btns[mode].querySelectorAll("button").forEach((btn) => {
btn.setAttribute("style",
"width: 2em; height: 2em; min-width: unset !important;"
);
})
ForgeCouple.row_btns_containers[mode] = ex.querySelector(".fc_mapping").querySelector(".table-wrap").parentElement;
ForgeCouple.row_btns_containers[mode].appendChild(ForgeCouple.row_btns[mode]);
const row = ex.querySelector(".controls-wrap");
row.remove();
// const mapping_div = ex.querySelector(".fc_mapping").children[1];
// const btns = ex.querySelector(".fc_map_btns");
// const temp = btns.parentElement;
// mapping_div.insertBefore(btns, mapping_div.children[1]);
// temp.remove();
const preview_img = ex.querySelector("img");
preview_img.ondragstart = (e) => { e.preventDefault(); return false; };
const manual_field = ex.querySelector(".fc_manual_field").querySelector("input");
ForgeCouple.bbox[mode] = new ForgeCoupleBox(preview_img, manual_field, mode);
// while (preview_img.parentElement.firstElementChild.tagName === "DIV")
// preview_img.parentElement.firstElementChild.remove();
const bg_btns = ex.querySelector(".fc_bg_btns");
preview_img.parentElement.style.overflow = "visible";
preview_img.parentElement.appendChild(bg_btns);
ForgeCoupleImageLoader.setup(preview_img, bg_btns.querySelectorAll("button"))
setTimeout(() => {
ForgeCouple.preview(mode);
}, 50);
});
ForgeCouple.registerResolutionHandles();
})
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