mirror of
https://github.com/openvinotoolkit/stable-diffusion-webui.git
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783a5754d5
Prevent duplicate resize handler
142 lines
4.0 KiB
JavaScript
142 lines
4.0 KiB
JavaScript
(function() {
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const GRADIO_MIN_WIDTH = 320;
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const GRID_TEMPLATE_COLUMNS = '1fr 16px 1fr';
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const PAD = 16;
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const DEBOUNCE_TIME = 100;
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const R = {
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tracking: false,
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parent: null,
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parentWidth: null,
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leftCol: null,
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leftColStartWidth: null,
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screenX: null,
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};
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let resizeTimer;
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let parents = [];
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function setLeftColGridTemplate(el, width) {
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el.style.gridTemplateColumns = `${width}px 16px 1fr`;
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}
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function displayResizeHandle(parent) {
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if (window.innerWidth < GRADIO_MIN_WIDTH * 2 + PAD * 4) {
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parent.style.display = 'flex';
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if (R.handle != null) {
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R.handle.style.opacity = '0';
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}
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return false;
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} else {
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parent.style.display = 'grid';
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if (R.handle != null) {
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R.handle.style.opacity = '100';
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}
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return true;
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}
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}
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function afterResize(parent) {
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if (displayResizeHandle(parent) && parent.style.gridTemplateColumns != GRID_TEMPLATE_COLUMNS) {
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const oldParentWidth = R.parentWidth;
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const newParentWidth = parent.offsetWidth;
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const widthL = parseInt(parent.style.gridTemplateColumns.split(' ')[0]);
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const ratio = newParentWidth / oldParentWidth;
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const newWidthL = Math.max(Math.floor(ratio * widthL), GRADIO_MIN_WIDTH);
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setLeftColGridTemplate(parent, newWidthL);
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R.parentWidth = newParentWidth;
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}
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}
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function setup(parent) {
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const leftCol = parent.firstElementChild;
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const rightCol = parent.lastElementChild;
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parents.push(parent);
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parent.style.display = 'grid';
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parent.style.gap = '0';
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parent.style.gridTemplateColumns = GRID_TEMPLATE_COLUMNS;
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const resizeHandle = document.createElement('div');
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resizeHandle.classList.add('resize-handle');
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parent.insertBefore(resizeHandle, rightCol);
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resizeHandle.addEventListener('mousedown', (evt) => {
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if (evt.button !== 0) return;
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evt.preventDefault();
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evt.stopPropagation();
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document.body.classList.add('resizing');
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R.tracking = true;
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R.parent = parent;
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R.parentWidth = parent.offsetWidth;
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R.handle = resizeHandle;
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R.leftCol = leftCol;
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R.leftColStartWidth = leftCol.offsetWidth;
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R.screenX = evt.screenX;
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});
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resizeHandle.addEventListener('dblclick', (evt) => {
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evt.preventDefault();
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evt.stopPropagation();
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parent.style.gridTemplateColumns = GRID_TEMPLATE_COLUMNS;
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});
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afterResize(parent);
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}
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window.addEventListener('mousemove', (evt) => {
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if (evt.button !== 0) return;
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if (R.tracking) {
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evt.preventDefault();
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evt.stopPropagation();
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const delta = R.screenX - evt.screenX;
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const leftColWidth = Math.max(Math.min(R.leftColStartWidth - delta, R.parent.offsetWidth - GRADIO_MIN_WIDTH - PAD), GRADIO_MIN_WIDTH);
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setLeftColGridTemplate(R.parent, leftColWidth);
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}
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});
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window.addEventListener('mouseup', (evt) => {
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if (evt.button !== 0) return;
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if (R.tracking) {
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evt.preventDefault();
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evt.stopPropagation();
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R.tracking = false;
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document.body.classList.remove('resizing');
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}
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});
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window.addEventListener('resize', () => {
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clearTimeout(resizeTimer);
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resizeTimer = setTimeout(function() {
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for (const parent of parents) {
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afterResize(parent);
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}
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}, DEBOUNCE_TIME);
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});
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setupResizeHandle = setup;
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})();
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onUiLoaded(function() {
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for (var elem of gradioApp().querySelectorAll('.resize-handle-row')) {
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if (!elem.querySelector('.resize-handle')) {
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setupResizeHandle(elem);
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}
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}
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});
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