""" Changes: - Improved formatting for CSS and JavaScript code. - Structured functions for better readability. - Cleaned up indentation and spacing for clarity. - Enhanced CSS styles for better responsiveness, including mobile, tablet, and desktop buttons. - Improved script functionality for handling multiple artifacts and toggling between views. author: open-webui, helloworldwastaken, atgehrhardt author_url:https://github.com/helloworldxdwastaken orignal_coder_author_url: https://github.com/atgehrhardt funding_url: https://github.com/open-webui version: 2.0.0 required_open_webui_version: 0.3.10 or above """ import os import re import uuid import html from typing import Optional, List, Dict from pydantic import BaseModel, Field from bs4 import BeautifulSoup from open_webui.models.files import Files, FileForm from open_webui.config import UPLOAD_DIR class MiddlewareHTMLGenerator: @staticmethod def generate_style(): return """ body { font-family: Arial, sans-serif; margin: 0; padding: 0; background-color: #1e1e1e; color: #ffffff; } .header { height: 40px; background-color: #2d2d2d; display: flex; align-items: center; justify-content: space-between; padding: 0 10px; position: sticky; top: 0; z-index: 1000; } .content-wrapper { padding: 20px; } .content-item { width: 100%; margin-bottom: 20px; border: 1px solid #444; background-color: #2d2d2d; } .content-item.code-view { padding: 10px; } .render-view .rendered-content { margin: 0; padding: 0; } pre { white-space: pre-wrap; word-wrap: break-word; background-color: #1e1e1e; padding: 10px; border-radius: 5px; margin: 0; } code { font-family: 'Courier New', Courier, monospace; } .hidden { display: none; } h2 { margin: 0; padding: 10px; background-color: #3d3d3d; } .iframe-wrapper { width: 100%; height: 600px; overflow: hidden; position: relative; resize: both; background-color: transparent; } .content-frame { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; background-color: transparent; } .resize-handle { position: absolute; bottom: 0; right: 0; width: 20px; height: 20px; cursor: se-resize; } .responsive-controls { display: flex; justify-content: center; margin-bottom: 10px; margin-top: 15px; } .device-button { margin: 0 5px; padding: 5px 10px; background-color: transparent; color: #ffffff; border: 1px solid #ffffff; cursor: pointer; border-radius: 4px; transition: background-color 0.3s, color 0.3s; } .device-button:hover { background-color: rgba(255, 255, 255, 0.1); } .device-button.active { background-color: rgba(255, 255, 255, 0.2); font-weight: bold; } .switch { position: relative; display: inline-block; width: 60px; height: 24px; } .switch input { opacity: 0; width: 0; height: 0; } .slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #ccc; transition: .4s; border-radius: 24px; } .slider:before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: white; transition: .4s; border-radius: 50%; } input:checked + .slider { background-color: #2196F3; } input:checked + .slider:before { transform: translateX(36px); } .slider-text { position: absolute; color: white; top: 50%; transform: translateY(-50%); text-align: center; left: 0; right: 0; font-size: 12px; } .nav-buttons { display: flex; align-items: center; } .nav-button, .select-button, .fullscreen-button { background-color: transparent; border: none; color: #ffffff; cursor: pointer; font-size: 18px; padding: 5px; margin: 0 5px; display: flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; transition: background-color 0.3s ease; } .select-button svg { width: 30px; height: 30px; } .nav-button:hover, .select-button:hover, .fullscreen-button:hover { background-color: rgba(255, 255, 255, 0.1); } .nav-button:disabled { color: #666666; cursor: not-allowed; } .nav-button:disabled:hover { background-color: transparent; } .modal { display: none; position: fixed; z-index: 1001; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.4); } .modal-content { background-color: #2d2d2d; margin: 5% auto; padding: 20px; border: 1px solid #888; width: 90%; max-width: 800px; border-radius: 5px; max-height: 80vh; overflow-y: auto; } .close { color: #aaa; float: right; font-size: 28px; font-weight: bold; cursor: pointer; } .close:hover, .close:focus { color: #fff; text-decoration: none; cursor: pointer; } .artifact-list { list-style-type: none; padding: 0; } .artifact-list li { display: flex; justify-content: space-between; align-items: center; padding: 10px; border-bottom: 1px solid #444; cursor: pointer; } .artifact-list li:hover { background-color: rgba(255, 255, 255, 0.1); } .artifact-info { flex: 1; margin-right: 10px; } .artifact-preview { width: 200px; height: 120px; overflow: hidden; background-color: transparent; } .artifact-preview iframe { width: 400px; height: 240px; border: none; transform: scale(0.5); transform-origin: top left; pointer-events: none; } .editor { width: 100%; height: 300px; font-family: monospace; font-size: 14px; border: 1px solid #444; background-color: #1e1e1e; color: #ffffff; padding: 10px; box-sizing: border-box; overflow: auto; white-space: pre-wrap; word-wrap: break-word; } .copy-button { position: absolute; top: 10px; right: 10px; background-color: #5E5B5A; border: none; color: white; padding: 5px 10px; text-align: center; text-decoration: none; display: inline-block; font-size: 14px; margin: 4px 2px; cursor: pointer; border-radius: 4px; } .copy-button:hover { background-color: #45a049; } .code-container { position: relative; } .iframe-wrapper:-webkit-full-screen, .iframe-wrapper:-moz-full-screen, .iframe-wrapper:-ms-fullscreen, .iframe-wrapper:fullscreen { width: 100%; height: 100%; } """ @staticmethod def generate_script(): return """ const totalArtifacts = document.querySelectorAll('.render-view').length; let currentArtifact = 1; let isCodeView = false; const modal = document.getElementById("artifactModal"); const selectButton = document.getElementById("selectArtifact"); const closeButton = document.getElementsByClassName("close")[0]; const artifactList = document.getElementById("artifactList"); const fullscreenButton = document.getElementById('fullscreenButton'); const body = document.body; window.addEventListener('load', () => { for (let i = 0; i < totalArtifacts; i++) { ['html', 'css', 'js'].forEach(type => { const storedContent = localStorage.getItem(`artifact_${i}_${type}`); if (storedContent) { const editor = document.getElementById(`${type}-editor-${i}`); if (editor) { editor.value = storedContent; } } }); } reloadCurrentArtifact(); }); function applyStoredChanges(artifactNumber) { ['html', 'css', 'js'].forEach(type => { const storedContent = localStorage.getItem(`artifact_${artifactNumber - 1}_${type}`); if (storedContent) { updateContent(type, artifactNumber - 1, true); } }); } document.getElementById('toggleView').addEventListener('change', function() { isCodeView = this.checked; const sliderText = document.querySelector('.slider-text'); sliderText.textContent = isCodeView ? 'Code' : 'Render'; updateArtifactVisibility(); }); function updateArtifactVisibility() { document.querySelectorAll('.content-item').forEach(item => { const isCorrectArtifact = item.dataset.artifact == currentArtifact; const isCorrectView = (item.classList.contains('render-view') && !isCodeView) || (item.classList.contains('code-view') && isCodeView); item.classList.toggle('hidden', !(isCorrectArtifact && isCorrectView)); }); document.getElementById('prevArtifact').disabled = currentArtifact === 1; document.getElementById('nextArtifact').disabled = currentArtifact === totalArtifacts; } function navigateToArtifact(artifactNumber) { currentArtifact = artifactNumber; updateArtifactVisibility(); reloadCurrentArtifact(); modal.style.display = "none"; } function reloadCurrentArtifact() { const frame = document.querySelector(`.content-item[data-artifact="${currentArtifact}"] .content-frame`); if (frame) { const currentSrcdoc = frame.getAttribute('data-original-content'); frame.srcdoc = ''; setTimeout(() => { frame.srcdoc = currentSrcdoc; }, 0); } } document.getElementById('prevArtifact').addEventListener('click', () => { if (currentArtifact > 1) { currentArtifact--; updateArtifactVisibility(); reloadCurrentArtifact(); } }); document.getElementById('nextArtifact').addEventListener('click', () => { if (currentArtifact < totalArtifacts) { currentArtifact++; updateArtifactVisibility(); reloadCurrentArtifact(); } }); function updateContent(type, index, skipReload = false) { const frame = document.querySelector(`.content-item[data-artifact="${index + 1}"] .content-frame`); const editor = document.getElementById(`${type}-editor-${index}`); const content = editor.value; let updatedSrcdoc = frame.getAttribute('data-original-content'); const parser = new DOMParser(); const doc = parser.parseFromString(updatedSrcdoc, 'text/html'); if (type === 'html') { doc.body.innerHTML = content; } else if (type === 'css') { let styleTag = doc.querySelector('style'); if (!styleTag) { styleTag = doc.createElement('style'); doc.head.appendChild(styleTag); } styleTag.textContent = content; } else if (type === 'js') { let scriptTag = doc.querySelector('script:not([src])'); if (!scriptTag) { scriptTag = doc.createElement('script'); doc.body.appendChild(scriptTag); } scriptTag.textContent = content; } updatedSrcdoc = new XMLSerializer().serializeToString(doc); frame.setAttribute('data-original-content', updatedSrcdoc); if (!skipReload) { frame.srcdoc = ''; setTimeout(() => { frame.srcdoc = updatedSrcdoc; }, 0); } localStorage.setItem(`artifact_${index}_${type}`, content); console.log(`Content updated for artifact ${index + 1}, type ${type}`); } function copyToClipboard(button, elementId) { const codeElement = document.getElementById(elementId); const textArea = document.createElement('textarea'); textArea.value = codeElement.textContent; document.body.appendChild(textArea); textArea.select(); document.execCommand('copy'); document.body.removeChild(textArea); const originalText = button.textContent; button.textContent = 'Copied!'; setTimeout(() => { button.textContent = originalText; }, 2000); } selectButton.onclick = function() { const makeTransparent = (doc) => { doc.body.style.background = 'transparent'; const styleEl = doc.createElement('style'); styleEl.textContent = 'body { background: transparent !important; }'; doc.head.appendChild(styleEl); }; artifactList.innerHTML = ''; document.querySelectorAll('.content-frame').forEach((frame, index) => { const li = document.createElement('li'); const previewContent = frame.getAttribute('srcdoc'); li.innerHTML = ` <div class="artifact-info"> <strong>Artifact ${index + 1}</strong> </div> <div class="artifact-preview"> <iframe sandbox="allow-scripts allow-same-origin"></iframe> </div> `; li.onclick = function() { navigateToArtifact(index + 1); }; artifactList.appendChild(li); const previewIframe = li.querySelector('.artifact-preview iframe'); previewIframe.onload = function() { makeTransparent(this.contentDocument); this.contentDocument.body.style.transform = 'scale(0.5)'; this.contentDocument.body.style.transformOrigin = 'top left'; this.style.pointerEvents = 'none'; }; previewIframe.srcdoc = previewContent; }); modal.style.display = "block"; } closeButton.onclick = function() { modal.style.display = "none"; } window.onclick = function(event) { if (event.target == modal) { modal.style.display = "none"; } } document.querySelectorAll('.device-button').forEach(button => { button.addEventListener('click', function() { const width = this.getAttribute('data-width'); const wrapper = this.closest('.content-item').querySelector('.iframe-wrapper'); const iframe = wrapper.querySelector('.content-frame'); if (width === '100%') { wrapper.style.width = '100%'; wrapper.style.height = '600px'; iframe.style.width = '100%'; iframe.style.height = '100%'; } else { wrapper.style.width = width; wrapper.style.height = '80vh'; iframe.style.width = width; iframe.style.height = '100%'; } this.closest('.responsive-controls').querySelectorAll('.device-button').forEach(btn => { btn.classList.remove('active'); }); this.classList.add('active'); }); }); document.querySelectorAll('.resize-handle').forEach(handle => { handle.addEventListener('mousedown', initResize, false); }); function initResize(e) { window.addEventListener('mousemove', resize, false); window.addEventListener('mouseup', stopResize, false); } function resize(e) { if (!body.classList.contains('fullscreen')) { const wrapper = e.target.closest('.iframe-wrapper'); wrapper.style.width = (e.clientX - wrapper.offsetLeft) + 'px'; wrapper.style.height = (e.clientY - wrapper.offsetTop) + 'px'; } } function stopResize(e) { window.removeEventListener('mousemove', resize, false); window.removeEventListener('mouseup', stopResize, false); } function toggleFullscreen() { const currentFrame = document.querySelector(`.content-item[data-artifact="${currentArtifact}"] .iframe-wrapper`); if (!document.fullscreenElement) { if (currentFrame.requestFullscreen) { currentFrame.requestFullscreen(); } else if (currentFrame.mozRequestFullScreen) { currentFrame.mozRequestFullScreen(); } else if (currentFrame.webkitRequestFullscreen) { currentFrame.webkitRequestFullscreen(); } else if (currentFrame.msRequestFullscreen) { currentFrame.msRequestFullscreen(); } } else { if (document.exitFullscreen) { document.exitFullscreen(); } else if (document.mozCancelFullScreen) { document.mozCancelFullScreen(); } else if (document.webkitExitFullscreen) { document.webkitExitFullscreen(); } else if (document.msExitFullscreen) { document.msExitFullscreen(); } } } fullscreenButton.addEventListener('click', toggleFullscreen); document.addEventListener('fullscreenchange', updateFullscreenButtonIcon); document.addEventListener('webkitfullscreenchange', updateFullscreenButtonIcon); document.addEventListener('mozfullscreenchange', updateFullscreenButtonIcon); document.addEventListener('MSFullscreenChange', updateFullscreenButtonIcon); function updateFullscreenButtonIcon() { if (document.fullscreenElement) { fullscreenButton.innerHTML = ` <svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M3 12h7v2H5v5H3v-7zm18 0h-7v2h5v5h2v-7zM3 7h2V5h5V3H3v4zm18 0h-2V5h-5V3h7v4z" fill="currentColor"/> </svg> `; } else { fullscreenButton.innerHTML = ` <svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M3 3h7v2H5v5H3V3zm18 0h-7v2h5v5h2V3zM3 21h7v-2H5v-5H3v7zm18 0h-7v-2H5v-5H3v7z" fill="currentColor"/> </svg> `; } } updateArtifactVisibility(); """ @staticmethod def generate_content_item(i, page): html_content = page.get("html", "") raw_html = page.get("raw_html", "") css_content = page.get("css", "") js_content = page.get("js", "") escaped_html = html.escape(raw_html) escaped_css = html.escape(css_content) escaped_js = html.escape(js_content) base_html = f""" <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style> {css_content} </style> </head> <body> {html_content} <script> {js_content} </script> </body> </html> """ escaped_base_html = html.escape(base_html) return f""" <div class='content-item render-view' data-artifact="{i+1}"> <h2>HTML Content {i+1}</h2> <div class="responsive-controls"> <button class="device-button" data-width="320px">Mobile</button> <button class="device-button" data-width="768px">Tablet</button> <button class="device-button active" data-width="100%">Desktop</button> </div> <div class="iframe-wrapper"> <iframe class="content-frame" sandbox="allow-scripts" srcdoc="{escaped_base_html}" data-original-content="{escaped_base_html}"></iframe> <div class="resize-handle"></div> </div> </div> <div class='content-item code-view hidden' data-artifact="{i+1}"> <h2>HTML Content {i+1}</h2> <div class="code-container"> <button class="copy-button" onclick="copyToClipboard(this, 'html-editor-{i}')">Copy</button> <pre class="editor" id="html-editor-{i}">{escaped_html}</pre> </div> </div> {"" if not css_content else f''' <div class='content-item code-view hidden' data-artifact="{i+1}"> <h2>CSS Content {i+1}</h2> <div class="code-container"> <button class="copy-button" onclick="copyToClipboard(this, 'css-editor-{i}')">Copy</button> <pre class="editor" id="css-editor-{i}">{escaped_css}</pre> </div> </div> '''} {"" if not js_content else f''' <div class='content-item code-view hidden' data-artifact="{i+1}"> <h2>JavaScript Content {i+1}</h2> <div class="code-container"> <button class="copy-button" onclick="copyToClipboard(this, 'js-editor-{i}')">Copy</button> <pre class="editor" id="js-editor-{i}">{escaped_js}</pre> </div> </div> '''} """ @classmethod def create_middleware_html(cls, pages): content_items = "".join( cls.generate_content_item(i, page) for i, page in enumerate(pages) ) return f""" <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Generated Content</title> <style> {cls.generate_style()} </style> </head> <body> <div class="header"> <label class="switch"> <input type="checkbox" id="toggleView"> <span class="slider"> <span class="slider-text">Render</span> </span> </label> <div class="nav-buttons"> <button id="prevArtifact" class="nav-button" aria-label="Previous artifact">&#10094;</button> <button id="selectArtifact" class="select-button" aria-label="Select artifact"> <svg width="30" height="30" viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"> <rect x="90" y="20" width="20" height="20" fill="#FFFFFF"/> <rect x="70" y="60" width="20" height="20" fill="#FFFFFF"/> <rect x="110" y="60" width="20" height="20" fill="#FFFFFF"/> <rect x="50" y="100" width="20" height="20" fill="#FFFFFF"/> <rect x="70" y="100" width="20" height="20" fill="#FFFFFF"/> <rect x="90" y="100" width="20" height="20" fill="#FFFFFF"/> <rect x="110" y="100" width="20" height="20" fill="#FFFFFF"/> <rect x="130" y="100" width="20" height="20" fill="#FFFFFF"/> <rect x="30" y="140" width="20" height="20" fill="#FFFFFF"/> <rect x="150" y="140" width="20" height="20" fill="#FFFFFF"/> </svg> </button> <button id="nextArtifact" class="nav-button" aria-label="Next artifact">&#10095;</button> <button id="fullscreenButton" class="fullscreen-button" aria-label="Toggle fullscreen"> <svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M3 3h7v2H5v5H3V3zm18 0h-7v2h5v5h2V3zM3 21h7v-2H5v-5H3v7zm18 0h-7v-2h5v-5h2v7z" fill="currentColor"/> </svg> </button> </div> </div> <div class='content-wrapper'> {content_items} </div> <div id="artifactModal" class="modal"> <div class="modal-content"> <span class="close">&times;</span> <h2>Select Artifact</h2> <ul class="artifact-list" id="artifactList"></ul> </div> </div> <script> {cls.generate_script()} </script> </body> </html> """ class Filter: class Valves(BaseModel): priority: int = Field( default=0, description="Priority level for the filter operations." ) def __init__(self): self.valves = self.Valves() self.viz_dir = "visualizations" self.html_dir = "html" self.middleware_file = "middleware.html" self.current_artifact = None def ensure_chat_directory(self, chat_id, content_type): chat_dir = os.path.join(UPLOAD_DIR, self.viz_dir, content_type, chat_id) os.makedirs(chat_dir, exist_ok=True) return chat_dir def extract_content(self, content, pattern): return re.findall(pattern, content, re.IGNORECASE | re.DOTALL) def write_content_to_file(self, content, user_id, chat_id, content_type): chat_dir = self.ensure_chat_directory(chat_id, content_type) filename = f"{content_type}_{uuid.uuid4()}.html" file_path = os.path.join(chat_dir, filename) with open(file_path, "w") as f: f.write(content) relative_path = os.path.join(self.viz_dir, content_type, chat_id, filename) file_form = FileForm( id=str(uuid.uuid4()), filename=relative_path, meta={ "name": filename, "content_type": "text/html", "size": len(content), "path": file_path, }, ) return Files.insert_new_file(user_id, file_form).id def parse_content(self, content): html_pattern = r"```(?:html|xml)\s*([\s\S]*?)\s*```" css_pattern = r"```css\s*([\s\S]*?)\s*```" js_pattern = r"```javascript\s*([\s\S]*?)\s*```" svg_pattern = r"<svg[\s\S]*?</svg>" html_blocks = self.extract_content(content, html_pattern) css_blocks = self.extract_content(content, css_pattern) js_blocks = self.extract_content(content, js_pattern) standalone_svg_blocks = self.extract_content(content, svg_pattern) if not self.current_artifact: self.current_artifact = {"html": "", "css": "", "js": "", "raw_html": ""} if html_blocks: self.current_artifact["html"] = html_blocks[0] self.current_artifact["raw_html"] = html_blocks[0] if css_blocks: self.current_artifact["css"] = css_blocks[0] if js_blocks: self.current_artifact["js"] = js_blocks[0] if standalone_svg_blocks: self.current_artifact["html"] = standalone_svg_blocks[0] self.current_artifact["raw_html"] = standalone_svg_blocks[0] return [self.current_artifact] if any(self.current_artifact.values()) else [] def create_middleware_html(self, pages): return MiddlewareHTMLGenerator.create_middleware_html(pages) def inlet(self, body: dict, user: Optional[dict] = None) -> dict: return body def outlet(self, body: dict, __user__: Optional[dict] = None) -> dict: if "messages" in body and body["messages"] and __user__ and "id" in __user__: last_message = body["messages"][-1]["content"] chat_id = body.get("chat_id") if chat_id: try: pages = self.parse_content(last_message) if pages: middleware_content = self.create_middleware_html(pages) middleware_id = self.write_content_to_file( middleware_content, __user__["id"], chat_id, self.html_dir, ) body["messages"][-1][ "content" ] += f"\n\n{{{{HTML_FILE_ID_{middleware_id}}}}}" except Exception as e: error_msg = ( f"Error processing content: {str(e)}\n{traceback.format_exc()}" ) print(error_msg) body["messages"][-1][ "content" ] += f"\n\nError: Failed to process content. Details: {error_msg}" else: print("chat_id is missing") return body