327 lines
8.7 KiB
JavaScript
327 lines
8.7 KiB
JavaScript
import { app, ANIM_PREVIEW_WIDGET } from "./app.js";
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const SIZE = Symbol();
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function intersect(a, b) {
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const x = Math.max(a.x, b.x);
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const num1 = Math.min(a.x + a.width, b.x + b.width);
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const y = Math.max(a.y, b.y);
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const num2 = Math.min(a.y + a.height, b.y + b.height);
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if (num1 >= x && num2 >= y) return [x, y, num1 - x, num2 - y];
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else return null;
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}
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function getClipPath(node, element, elRect) {
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const selectedNode = Object.values(app.canvas.selected_nodes)[0];
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if (selectedNode && selectedNode !== node) {
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const MARGIN = 7;
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const scale = app.canvas.ds.scale;
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const bounding = selectedNode.getBounding();
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const intersection = intersect(
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{ x: elRect.x / scale, y: elRect.y / scale, width: elRect.width / scale, height: elRect.height / scale },
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{
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x: selectedNode.pos[0] + app.canvas.ds.offset[0] - MARGIN,
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y: selectedNode.pos[1] + app.canvas.ds.offset[1] - LiteGraph.NODE_TITLE_HEIGHT - MARGIN,
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width: bounding[2] + MARGIN + MARGIN,
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height: bounding[3] + MARGIN + MARGIN,
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}
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);
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if (!intersection) {
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return "";
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}
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const widgetRect = element.getBoundingClientRect();
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const clipX = intersection[0] - widgetRect.x / scale + "px";
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const clipY = intersection[1] - widgetRect.y / scale + "px";
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const clipWidth = intersection[2] + "px";
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const clipHeight = intersection[3] + "px";
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const path = `polygon(0% 0%, 0% 100%, ${clipX} 100%, ${clipX} ${clipY}, calc(${clipX} + ${clipWidth}) ${clipY}, calc(${clipX} + ${clipWidth}) calc(${clipY} + ${clipHeight}), ${clipX} calc(${clipY} + ${clipHeight}), ${clipX} 100%, 100% 100%, 100% 0%)`;
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return path;
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}
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return "";
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}
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function computeSize(size) {
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if (this.widgets?.[0]?.last_y == null) return;
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let y = this.widgets[0].last_y;
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let freeSpace = size[1] - y;
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let widgetHeight = 0;
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let dom = [];
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for (const w of this.widgets) {
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if (w.type === "converted-widget") {
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// Ignore
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delete w.computedHeight;
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} else if (w.computeSize) {
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widgetHeight += w.computeSize()[1] + 4;
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} else if (w.element) {
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// Extract DOM widget size info
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const styles = getComputedStyle(w.element);
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let minHeight = w.options.getMinHeight?.() ?? parseInt(styles.getPropertyValue("--comfy-widget-min-height"));
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let maxHeight = w.options.getMaxHeight?.() ?? parseInt(styles.getPropertyValue("--comfy-widget-max-height"));
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let prefHeight = w.options.getHeight?.() ?? styles.getPropertyValue("--comfy-widget-height");
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if (prefHeight.endsWith?.("%")) {
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prefHeight = size[1] * (parseFloat(prefHeight.substring(0, prefHeight.length - 1)) / 100);
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} else {
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prefHeight = parseInt(prefHeight);
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if (isNaN(minHeight)) {
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minHeight = prefHeight;
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}
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}
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if (isNaN(minHeight)) {
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minHeight = 50;
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}
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if (!isNaN(maxHeight)) {
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if (!isNaN(prefHeight)) {
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prefHeight = Math.min(prefHeight, maxHeight);
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} else {
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prefHeight = maxHeight;
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}
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}
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dom.push({
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minHeight,
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prefHeight,
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w,
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});
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} else {
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widgetHeight += LiteGraph.NODE_WIDGET_HEIGHT + 4;
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}
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}
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freeSpace -= widgetHeight;
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// Calculate sizes with all widgets at their min height
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const prefGrow = []; // Nodes that want to grow to their prefd size
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const canGrow = []; // Nodes that can grow to auto size
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let growBy = 0;
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for (const d of dom) {
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freeSpace -= d.minHeight;
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if (isNaN(d.prefHeight)) {
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canGrow.push(d);
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d.w.computedHeight = d.minHeight;
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} else {
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const diff = d.prefHeight - d.minHeight;
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if (diff > 0) {
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prefGrow.push(d);
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growBy += diff;
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d.diff = diff;
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} else {
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d.w.computedHeight = d.minHeight;
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}
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}
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}
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if (this.imgs && !this.widgets.find((w) => w.name === ANIM_PREVIEW_WIDGET)) {
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// Allocate space for image
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freeSpace -= 220;
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}
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this.freeWidgetSpace = freeSpace;
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if (freeSpace < 0) {
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// Not enough space for all widgets so we need to grow
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size[1] -= freeSpace;
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this.graph.setDirtyCanvas(true);
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} else {
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// Share the space between each
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const growDiff = freeSpace - growBy;
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if (growDiff > 0) {
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// All pref sizes can be fulfilled
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freeSpace = growDiff;
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for (const d of prefGrow) {
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d.w.computedHeight = d.prefHeight;
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}
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} else {
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// We need to grow evenly
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const shared = -growDiff / prefGrow.length;
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for (const d of prefGrow) {
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d.w.computedHeight = d.prefHeight - shared;
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}
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freeSpace = 0;
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}
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if (freeSpace > 0 && canGrow.length) {
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// Grow any that are auto height
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const shared = freeSpace / canGrow.length;
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for (const d of canGrow) {
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d.w.computedHeight += shared;
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}
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}
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}
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// Position each of the widgets
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for (const w of this.widgets) {
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w.y = y;
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if (w.computedHeight) {
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y += w.computedHeight;
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} else if (w.computeSize) {
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y += w.computeSize()[1] + 4;
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} else {
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y += LiteGraph.NODE_WIDGET_HEIGHT + 4;
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}
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}
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}
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// Override the compute visible nodes function to allow us to hide/show DOM elements when the node goes offscreen
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const elementWidgets = new Set();
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const computeVisibleNodes = LGraphCanvas.prototype.computeVisibleNodes;
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LGraphCanvas.prototype.computeVisibleNodes = function () {
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const visibleNodes = computeVisibleNodes.apply(this, arguments);
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for (const node of app.graph._nodes) {
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if (elementWidgets.has(node)) {
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const hidden = visibleNodes.indexOf(node) === -1;
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for (const w of node.widgets) {
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if (w.element) {
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w.element.hidden = hidden;
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w.element.style.display = hidden ? "none" : undefined;
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if (hidden) {
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w.options.onHide?.(w);
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}
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}
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}
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}
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}
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return visibleNodes;
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};
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let enableDomClipping = true;
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export function addDomClippingSetting() {
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app.ui.settings.addSetting({
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id: "Comfy.DOMClippingEnabled",
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name: "Enable DOM element clipping (enabling may reduce performance)",
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type: "boolean",
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defaultValue: enableDomClipping,
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onChange(value) {
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enableDomClipping = !!value;
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},
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});
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}
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LGraphNode.prototype.addDOMWidget = function (name, type, element, options) {
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options = { hideOnZoom: true, selectOn: ["focus", "click"], ...options };
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if (!element.parentElement) {
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document.body.append(element);
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}
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let mouseDownHandler;
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if (element.blur) {
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mouseDownHandler = (event) => {
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if (!element.contains(event.target)) {
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element.blur();
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}
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};
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document.addEventListener("mousedown", mouseDownHandler);
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}
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const widget = {
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type,
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name,
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get value() {
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return options.getValue?.() ?? undefined;
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},
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set value(v) {
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options.setValue?.(v);
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widget.callback?.(widget.value);
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},
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draw: function (ctx, node, widgetWidth, y, widgetHeight) {
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if (widget.computedHeight == null) {
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computeSize.call(node, node.size);
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}
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const hidden =
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node.flags?.collapsed ||
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(!!options.hideOnZoom && app.canvas.ds.scale < 0.5) ||
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widget.computedHeight <= 0 ||
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widget.type === "converted-widget"||
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widget.type === "hidden";
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element.hidden = hidden;
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element.style.display = hidden ? "none" : null;
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if (hidden) {
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widget.options.onHide?.(widget);
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return;
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}
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const margin = 10;
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const elRect = ctx.canvas.getBoundingClientRect();
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const transform = new DOMMatrix()
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.scaleSelf(elRect.width / ctx.canvas.width, elRect.height / ctx.canvas.height)
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.multiplySelf(ctx.getTransform())
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.translateSelf(margin, margin + y);
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const scale = new DOMMatrix().scaleSelf(transform.a, transform.d);
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Object.assign(element.style, {
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transformOrigin: "0 0",
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transform: scale,
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left: `${transform.a + transform.e}px`,
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top: `${transform.d + transform.f}px`,
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width: `${widgetWidth - margin * 2}px`,
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height: `${(widget.computedHeight ?? 50) - margin * 2}px`,
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position: "absolute",
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zIndex: app.graph._nodes.indexOf(node),
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});
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if (enableDomClipping) {
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element.style.clipPath = getClipPath(node, element, elRect);
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element.style.willChange = "clip-path";
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}
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this.options.onDraw?.(widget);
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},
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element,
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options,
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onRemove() {
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if (mouseDownHandler) {
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document.removeEventListener("mousedown", mouseDownHandler);
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}
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element.remove();
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},
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};
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for (const evt of options.selectOn) {
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element.addEventListener(evt, () => {
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app.canvas.selectNode(this);
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app.canvas.bringToFront(this);
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});
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}
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this.addCustomWidget(widget);
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elementWidgets.add(this);
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const collapse = this.collapse;
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this.collapse = function() {
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collapse.apply(this, arguments);
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if(this.flags?.collapsed) {
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element.hidden = true;
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element.style.display = "none";
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}
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}
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const onRemoved = this.onRemoved;
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this.onRemoved = function () {
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element.remove();
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elementWidgets.delete(this);
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onRemoved?.apply(this, arguments);
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};
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if (!this[SIZE]) {
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this[SIZE] = true;
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const onResize = this.onResize;
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this.onResize = function (size) {
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options.beforeResize?.call(widget, this);
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computeSize.call(this, size);
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onResize?.apply(this, arguments);
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options.afterResize?.call(widget, this);
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};
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}
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return widget;
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};
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