mirror of
https://github.com/Azornes/Comfyui-LayerForge.git
synced 2026-03-21 20:52:12 -03:00
511 lines
19 KiB
JavaScript
511 lines
19 KiB
JavaScript
import {createModuleLogger} from "./LoggerUtils.js";
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import {api} from "../../../scripts/api.js";
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import {ComfyApp} from "../../../scripts/app.js";
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const log = createModuleLogger('ClipboardManager');
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export class ClipboardManager {
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constructor(canvas) {
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this.canvas = canvas;
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this.clipboardPreference = 'system'; // 'system', 'clipspace'
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}
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/**
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* Main paste handler that delegates to appropriate methods
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* @param {string} addMode - The mode for adding the layer
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* @param {string} preference - Clipboard preference ('system' or 'clipspace')
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* @returns {Promise<boolean>} - True if successful, false otherwise
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*/
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async handlePaste(addMode = 'mouse', preference = 'system') {
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try {
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log.info(`ClipboardManager handling paste with preference: ${preference}`);
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if (this.canvas.canvasLayers.internalClipboard.length > 0) {
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log.info("Found layers in internal clipboard, pasting layers");
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this.canvas.canvasLayers.pasteLayers();
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return true;
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}
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if (preference === 'clipspace') {
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log.info("Attempting paste from ComfyUI Clipspace");
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const success = await this.tryClipspacePaste(addMode);
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if (success) {
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return true;
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}
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log.info("No image found in ComfyUI Clipspace");
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}
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log.info("Attempting paste from system clipboard");
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return await this.trySystemClipboardPaste(addMode);
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} catch (err) {
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log.error("ClipboardManager paste operation failed:", err);
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return false;
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}
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}
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/**
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* Attempts to paste from ComfyUI Clipspace
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* @param {string} addMode - The mode for adding the layer
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* @returns {Promise<boolean>} - True if successful, false otherwise
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*/
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async tryClipspacePaste(addMode) {
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try {
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log.info("Attempting to paste from ComfyUI Clipspace");
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const clipspaceResult = ComfyApp.pasteFromClipspace(this.canvas.node);
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if (this.canvas.node.imgs && this.canvas.node.imgs.length > 0) {
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const clipspaceImage = this.canvas.node.imgs[0];
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if (clipspaceImage && clipspaceImage.src) {
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log.info("Successfully got image from ComfyUI Clipspace");
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const img = new Image();
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img.onload = async () => {
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await this.canvas.canvasLayers.addLayerWithImage(img, {}, addMode);
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};
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img.src = clipspaceImage.src;
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return true;
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}
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}
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return false;
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} catch (clipspaceError) {
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log.warn("ComfyUI Clipspace paste failed:", clipspaceError);
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return false;
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}
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}
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/**
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* System clipboard paste - handles both image data and text paths
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* @param {string} addMode - The mode for adding the layer
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* @returns {Promise<boolean>} - True if successful, false otherwise
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*/
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async trySystemClipboardPaste(addMode) {
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log.info("ClipboardManager: Checking system clipboard for images and paths");
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if (navigator.clipboard?.read) {
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try {
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const clipboardItems = await navigator.clipboard.read();
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for (const item of clipboardItems) {
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log.debug("Clipboard item types:", item.types);
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const imageType = item.types.find(type => type.startsWith('image/'));
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if (imageType) {
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try {
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const blob = await item.getType(imageType);
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const reader = new FileReader();
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reader.onload = (event) => {
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const img = new Image();
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img.onload = async () => {
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log.info("Successfully loaded image from system clipboard");
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await this.canvas.canvasLayers.addLayerWithImage(img, {}, addMode);
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};
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img.src = event.target.result;
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};
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reader.readAsDataURL(blob);
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log.info("Found image data in system clipboard");
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return true;
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} catch (error) {
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log.debug("Error reading image data:", error);
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}
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}
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const textTypes = ['text/plain', 'text/uri-list'];
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for (const textType of textTypes) {
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if (item.types.includes(textType)) {
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try {
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const textBlob = await item.getType(textType);
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const text = await textBlob.text();
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if (this.isValidImagePath(text)) {
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log.info("Found image path in clipboard:", text);
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const success = await this.loadImageFromPath(text, addMode);
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if (success) {
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return true;
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}
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}
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} catch (error) {
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log.debug(`Error reading ${textType}:`, error);
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}
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}
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}
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}
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} catch (error) {
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log.debug("Modern clipboard API failed:", error);
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}
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}
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if (navigator.clipboard?.readText) {
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try {
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const text = await navigator.clipboard.readText();
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log.debug("Found text in clipboard:", text);
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if (text && this.isValidImagePath(text)) {
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log.info("Found valid image path in clipboard:", text);
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const success = await this.loadImageFromPath(text, addMode);
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if (success) {
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return true;
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}
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}
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} catch (error) {
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log.debug("Could not read text from clipboard:", error);
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}
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}
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log.debug("No images or valid image paths found in system clipboard");
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return false;
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}
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/**
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* Validates if a text string is a valid image file path or URL
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* @param {string} text - The text to validate
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* @returns {boolean} - True if the text appears to be a valid image file path or URL
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*/
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isValidImagePath(text) {
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if (!text || typeof text !== 'string') {
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return false;
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}
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text = text.trim();
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if (!text) {
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return false;
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}
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if (text.startsWith('http://') || text.startsWith('https://') || text.startsWith('file://')) {
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try {
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new URL(text);
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log.debug("Detected valid URL:", text);
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return true;
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} catch (e) {
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log.debug("Invalid URL format:", text);
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return false;
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}
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}
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const imageExtensions = [
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'.jpg', '.jpeg', '.png', '.gif', '.bmp', '.webp',
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'.svg', '.tiff', '.tif', '.ico', '.avif'
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];
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const hasImageExtension = imageExtensions.some(ext =>
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text.toLowerCase().endsWith(ext)
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);
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if (!hasImageExtension) {
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log.debug("No valid image extension found in:", text);
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return false;
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}
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const pathPatterns = [
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/^[a-zA-Z]:[\\\/]/, // Windows absolute path (C:\... or C:/...)
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/^[\\\/]/, // Unix absolute path (/...)
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/^\.{1,2}[\\\/]/, // Relative path (./... or ../...)
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/^[^\\\/]*[\\\/]/ // Contains path separators
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];
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const isValidPath = pathPatterns.some(pattern => pattern.test(text)) ||
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(!text.includes('/') && !text.includes('\\') && text.includes('.')); // Simple filename
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if (isValidPath) {
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log.debug("Detected valid local file path:", text);
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} else {
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log.debug("Invalid local file path format:", text);
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}
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return isValidPath;
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}
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/**
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* Attempts to load an image from a file path using simplified methods
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* @param {string} filePath - The file path to load
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* @param {string} addMode - The mode for adding the layer
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* @returns {Promise<boolean>} - True if successful, false otherwise
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*/
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async loadImageFromPath(filePath, addMode) {
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if (filePath.startsWith('http://') || filePath.startsWith('https://')) {
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try {
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const img = new Image();
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img.crossOrigin = 'anonymous';
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return new Promise((resolve) => {
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img.onload = async () => {
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log.info("Successfully loaded image from URL");
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await this.canvas.canvasLayers.addLayerWithImage(img, {}, addMode);
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resolve(true);
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};
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img.onerror = () => {
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log.warn("Failed to load image from URL:", filePath);
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resolve(false);
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};
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img.src = filePath;
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});
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} catch (error) {
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log.warn("Error loading image from URL:", error);
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return false;
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}
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}
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try {
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log.info("Attempting to load local file via backend");
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const success = await this.loadFileViaBackend(filePath, addMode);
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if (success) {
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return true;
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}
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} catch (error) {
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log.warn("Backend loading failed:", error);
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}
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try {
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log.info("Falling back to file picker");
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const success = await this.promptUserForFile(filePath, addMode);
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if (success) {
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return true;
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}
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} catch (error) {
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log.warn("File picker failed:", error);
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}
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this.showFilePathMessage(filePath);
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return false;
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}
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/**
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* Loads a local file via the ComfyUI backend endpoint
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* @param {string} filePath - The file path to load
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* @param {string} addMode - The mode for adding the layer
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* @returns {Promise<boolean>} - True if successful, false otherwise
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*/
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async loadFileViaBackend(filePath, addMode) {
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try {
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log.info("Loading file via ComfyUI backend:", filePath);
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const response = await api.fetchApi("/ycnode/load_image_from_path", {
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method: "POST",
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headers: {
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'Content-Type': 'application/json',
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},
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body: JSON.stringify({
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file_path: filePath
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})
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});
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if (!response.ok) {
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const errorData = await response.json();
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log.debug("Backend failed to load image:", errorData.error);
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return false;
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}
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const data = await response.json();
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if (!data.success) {
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log.debug("Backend returned error:", data.error);
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return false;
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}
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log.info("Successfully loaded image via ComfyUI backend:", filePath);
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const img = new Image();
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const success = await new Promise((resolve) => {
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img.onload = async () => {
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log.info("Successfully loaded image from backend response");
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await this.canvas.canvasLayers.addLayerWithImage(img, {}, addMode);
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resolve(true);
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};
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img.onerror = () => {
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log.warn("Failed to load image from backend response");
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resolve(false);
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};
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img.src = data.image_data;
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});
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return success;
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} catch (error) {
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log.debug("Error loading file via ComfyUI backend:", error);
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return false;
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}
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}
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/**
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* Prompts the user to select a file when a local path is detected
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* @param {string} originalPath - The original file path from clipboard
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* @param {string} addMode - The mode for adding the layer
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* @returns {Promise<boolean>} - True if successful, false otherwise
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*/
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async promptUserForFile(originalPath, addMode) {
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return new Promise((resolve) => {
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const fileInput = document.createElement('input');
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fileInput.type = 'file';
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fileInput.accept = 'image/*';
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fileInput.style.display = 'none';
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const fileName = originalPath.split(/[\\\/]/).pop();
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fileInput.onchange = async (event) => {
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const file = event.target.files[0];
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if (file && file.type.startsWith('image/')) {
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try {
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const reader = new FileReader();
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reader.onload = (e) => {
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const img = new Image();
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img.onload = async () => {
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log.info("Successfully loaded image from file picker");
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await this.canvas.canvasLayers.addLayerWithImage(img, {}, addMode);
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resolve(true);
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};
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img.onerror = () => {
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log.warn("Failed to load selected image");
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resolve(false);
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};
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img.src = e.target.result;
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};
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reader.onerror = () => {
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log.warn("Failed to read selected file");
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resolve(false);
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};
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reader.readAsDataURL(file);
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} catch (error) {
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log.warn("Error processing selected file:", error);
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resolve(false);
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}
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} else {
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log.warn("Selected file is not an image");
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resolve(false);
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}
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document.body.removeChild(fileInput);
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};
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fileInput.oncancel = () => {
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log.info("File selection cancelled by user");
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document.body.removeChild(fileInput);
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resolve(false);
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};
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this.showNotification(`Detected image path: ${fileName}. Please select the file to load it.`, 3000);
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document.body.appendChild(fileInput);
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fileInput.click();
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});
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}
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/**
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* Shows a message to the user about file path limitations
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* @param {string} filePath - The file path that couldn't be loaded
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*/
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showFilePathMessage(filePath) {
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const fileName = filePath.split(/[\\\/]/).pop();
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const message = `Cannot load local file directly due to browser security restrictions. File detected: ${fileName}`;
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this.showNotification(message, 5000);
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log.info("Showed file path limitation message to user");
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}
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/**
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* Shows a helpful message when clipboard appears empty and offers file picker
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* @param {string} addMode - The mode for adding the layer
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*/
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showEmptyClipboardMessage(addMode) {
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const message = `Copied a file? Browser can't access file paths for security. Click here to select the file manually.`;
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const notification = document.createElement('div');
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notification.style.cssText = `
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position: fixed;
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top: 20px;
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right: 20px;
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background: #2d5aa0;
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color: white;
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padding: 14px 18px;
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border-radius: 6px;
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box-shadow: 0 4px 12px rgba(0,0,0,0.4);
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z-index: 10001;
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max-width: 320px;
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font-size: 14px;
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line-height: 1.4;
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cursor: pointer;
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border: 2px solid #4a7bc8;
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transition: all 0.2s ease;
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font-weight: 500;
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`;
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notification.innerHTML = `
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<div style="display: flex; align-items: center; gap: 8px;">
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<span style="font-size: 18px;">📁</span>
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<span>${message}</span>
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</div>
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<div style="font-size: 12px; opacity: 0.9; margin-top: 4px;">
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💡 Tip: You can also drag & drop files directly onto the canvas
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</div>
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`;
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notification.onmouseenter = () => {
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notification.style.backgroundColor = '#3d6bb0';
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notification.style.borderColor = '#5a8bd8';
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notification.style.transform = 'translateY(-1px)';
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};
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notification.onmouseleave = () => {
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notification.style.backgroundColor = '#2d5aa0';
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notification.style.borderColor = '#4a7bc8';
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notification.style.transform = 'translateY(0)';
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};
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notification.onclick = async () => {
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document.body.removeChild(notification);
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try {
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const success = await this.promptUserForFile('image_file.jpg', addMode);
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if (success) {
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log.info("Successfully loaded image via empty clipboard file picker");
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}
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} catch (error) {
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log.warn("Error with empty clipboard file picker:", error);
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}
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};
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document.body.appendChild(notification);
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setTimeout(() => {
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if (notification.parentNode) {
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notification.parentNode.removeChild(notification);
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}
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}, 12000);
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log.info("Showed enhanced empty clipboard message with file picker option");
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}
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/**
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* Shows a temporary notification to the user
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* @param {string} message - The message to show
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* @param {number} duration - Duration in milliseconds
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*/
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showNotification(message, duration = 3000) {
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const notification = document.createElement('div');
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notification.style.cssText = `
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position: fixed;
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top: 20px;
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right: 20px;
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background: #333;
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color: white;
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padding: 12px 16px;
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border-radius: 4px;
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box-shadow: 0 2px 10px rgba(0,0,0,0.3);
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z-index: 10001;
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max-width: 300px;
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font-size: 14px;
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line-height: 1.4;
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`;
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notification.textContent = message;
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document.body.appendChild(notification);
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setTimeout(() => {
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if (notification.parentNode) {
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notification.parentNode.removeChild(notification);
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}
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}, duration);
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}
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}
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