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import gradio as gr
def update_ui(code):
try:
# Directly return the code wrapped in a div for styling
return f"""
<div style="border: 1px solid #ccc; padding: 10px; height: 400px; overflow: auto;">
{code}
<script>
// Ensure the game reinitializes when the code is updated
if (typeof gameLoop !== 'undefined') {{
clearInterval(gameLoop);
}}
let canvas = document.getElementById('gameCanvas');
let ctx = canvas.getContext('2d');
let snake = [{x: 10, y: 10}];
let food = {{x: 15, y: 15}};
let gameLoop;
function init() {{
gameLoop = setInterval(game, 100);
}}
function game() {{
ctx.clearRect(0, 0, canvas.width, canvas.height);
snake.unshift({{x: snake[0].x, y: snake[0].y}});
snake[0].x += 1; // Simple movement for demonstration
if(snake[0].x > 39) snake[0].x = 0; // Wrap around
ctx.fillStyle = "green";
snake.forEach(part => {{
ctx.fillRect(part.x * 10, part.y * 10, 10, 10);
}});
ctx.fillStyle = "red";
ctx.fillRect(food.x * 10, food.y * 10, 10, 10);
if(snake[0].x == food.x && snake[0].y == food.y) {{
food.x = Math.floor(Math.random() * 40);
food.y = Math.floor(Math.random() * 40);
}} else {{
snake.pop();
}}
}}
// Start the game
init();
</script>
</div>
""", None
except Exception as e:
return "", str(e)
def interface():
with gr.Blocks() as demo:
gr.Markdown("# Learn Frontend UI")
with gr.Row():
code_input = gr.Code(label="Write your HTML/CSS/JS here", language="html")
with gr.Column():
ui_preview = gr.HTML(label="UI Preview")
error_output = gr.Textbox(label="Error", interactive=False)
# Instead of using _js, we'll directly handle the JavaScript with Python
code_input.change(
fn=update_ui,
inputs=code_input,
outputs=[ui_preview, error_output]
)
# Add example section
with gr.Accordion("HTML/CSS/JS Code Examples", open=False):
with gr.Column():
example_buttons = []
example_codes = [
('<h1>Hello World</h1>', "Basic Heading"),
('<p style="color: red;">This is a paragraph.</p>', "Styled Paragraph"),
('<button onclick="alert(\'Button clicked!\')">Click me</button>', "Interactive Button"),
("""
<style>
.box {
width: 100px;
height: 100px;
background-color: blue;
}
</style>
<div class="box"></div>
""", "CSS Box"),
("""
<style>
.container {
display: flex;
justify-content: space-between;
}
</style>
<div class="container">
<div style="background-color: red; width: 50px; height: 50px;"></div>
<div style="background-color: green; width: 50px; height: 50px;"></div>
</div>
""", "Flexbox Layout"),
("""
<style>
body { margin: 0; padding: 0; }
#gameCanvas { border: 1px solid black; }
</style>
<canvas id="gameCanvas" width="400" height="400"></canvas>
""", "Snake Game"),
]
for code, label in example_codes:
button = gr.Button(label)
example_buttons.append(button)
button.click(fn=lambda x=code: x, outputs=code_input)
return demo
if __name__ == "__main__":
demo = interface()
demo.launch() |