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app.py

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+import time
+
+from theme_dropdown import create_theme_dropdown  # noqa: F401
+
+import gradio as gr
+
+dropdown, js = create_theme_dropdown()
+
+with gr.Blocks(theme='Arshj/gmjk_gradio') as demo:
+    with gr.Row().style(equal_height=True):
+        with gr.Column(scale=10):
+            gr.Markdown(
+                """
+                # Theme preview: `gmjk_gradio`
+                To use this theme, set `theme='Arshj/gmjk_gradiol'` in `gr.Blocks()` or `gr.Interface()`.
+                You can append an `@` and a semantic version expression, e.g. @>=1.0.0,<2.0.0 to pin to a given version
+                of this theme.
+                """
+            )
+        with gr.Column(scale=3):
+            with gr.Box():
+                dropdown.render()
+                toggle_dark = gr.Button(value="Toggle Dark").style(full_width=True)
+
+    dropdown.change(None, dropdown, None, _js=js)
+    toggle_dark.click(
+        None,
+        _js="""
+        () => {
+            document.body.classList.toggle('dark');
+            document.querySelector('gradio-app').style.backgroundColor = 'var(--color-background-primary)'
+        }
+        """,
+    )
+
+    name = gr.Textbox(
+        label="Name",
+        info="Full name, including middle name. No special characters.",
+        placeholder="John Doe",
+        value="John Doe",
+        interactive=True,
+    )
+
+    with gr.Row():
+        slider1 = gr.Slider(label="Slider 1")
+        slider2 = gr.Slider(label="Slider 2")
+    gr.CheckboxGroup(["A", "B", "C"], label="Checkbox Group")
+
+    with gr.Row():
+        with gr.Column(variant="panel", scale=1):
+            gr.Markdown("## Panel 1")
+            radio = gr.Radio(
+                ["A", "B", "C"],
+                label="Radio",
+                info="Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.",
+            )
+            drop = gr.Dropdown(["Option 1", "Option 2", "Option 3"], show_label=False)
+            drop_2 = gr.Dropdown(
+                ["Option A", "Option B", "Option C"],
+                multiselect=True,
+                value=["Option A"],
+                label="Dropdown",
+                interactive=True,
+            )
+            check = gr.Checkbox(label="Go")
+        with gr.Column(variant="panel", scale=2):
+            img = gr.Image(
+                "https://gradio.app/assets/img/header-image.jpg", label="Image"
+            ).style(height=320)
+            with gr.Row():
+                go_btn = gr.Button("Go", label="Primary Button", variant="primary")
+                clear_btn = gr.Button(
+                    "Clear", label="Secondary Button", variant="secondary"
+                )
+
+                def go(*args):
+                    time.sleep(3)
+                    return "https://gradio.app/assets/img/header-image.jpg"
+
+                go_btn.click(go, [radio, drop, drop_2, check, name], img, api_name="go")
+
+                def clear():
+                    time.sleep(0.2)
+                    return None
+
+                clear_btn.click(clear, None, img)
+
+            with gr.Row():
+                btn1 = gr.Button("Button 1").style(size="sm")
+                btn2 = gr.UploadButton().style(size="sm")
+                stop_btn = gr.Button("Stop", label="Stop Button", variant="stop").style(
+                    size="sm"
+                )
+
+    with gr.Row():
+        gr.Dataframe(value=[[1, 2, 3], [4, 5, 6], [7, 8, 9]], label="Dataframe")
+        gr.JSON(
+            value={"a": 1, "b": 2, "c": {"test": "a", "test2": [1, 2, 3]}}, label="JSON"
+        )
+        gr.Label(value={"cat": 0.7, "dog": 0.2, "fish": 0.1})
+        gr.File()
+    with gr.Row():
+        gr.ColorPicker()
+        gr.Video("https://gradio-static-files.s3.us-west-2.amazonaws.com/world.mp4")
+        gr.Gallery(
+            [
+                (
+                    "https://gradio-static-files.s3.us-west-2.amazonaws.com/lion.jpg",
+                    "lion",
+                ),
+                (
+                    "https://gradio-static-files.s3.us-west-2.amazonaws.com/logo.png",
+                    "logo",
+                ),
+                (
+                    "https://gradio-static-files.s3.us-west-2.amazonaws.com/tower.jpg",
+                    "tower",
+                ),
+            ]
+        ).style(height="200px", grid=2)
+
+    with gr.Row():
+        with gr.Column(scale=2):
+            chatbot = gr.Chatbot([("Hello", "Hi")], label="Chatbot")
+            chat_btn = gr.Button("Add messages")
+
+            def chat(history):
+                time.sleep(2)
+                yield [["How are you?", "I am good."]]
+
+            chat_btn.click(
+                lambda history: history
+                + [["How are you?", "I am good."]]
+                + (time.sleep(2) or []),
+                chatbot,
+                chatbot,
+            )
+        with gr.Column(scale=1):
+            with gr.Accordion("Advanced Settings"):
+                gr.Markdown("Hello")
+                gr.Number(label="Chatbot control 1")
+                gr.Number(label="Chatbot control 2")
+                gr.Number(label="Chatbot control 3")
+
+
+if __name__ == "__main__":
+    demo.queue().launch()

theme_dropdown.py

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+import os
+import pathlib
+
+from gradio.themes.utils import ThemeAsset
+
+
+def create_theme_dropdown():
+    import gradio as gr
+
+    asset_path = pathlib.Path(__file__).parent / "themes"
+    themes = []
+    for theme_asset in os.listdir(str(asset_path)):
+        themes.append(
+            (ThemeAsset(theme_asset), gr.Theme.load(str(asset_path / theme_asset)))
+        )
+
+    def make_else_if(theme_asset):
+        return f"""
+        else if (theme == '{str(theme_asset[0].version)}') {{
+            var theme_css = `{theme_asset[1]._get_theme_css()}`
+        }}"""
+
+    head, tail = themes[0], themes[1:]
+    if_statement = f"""
+        if (theme == "{str(head[0].version)}") {{
+            var theme_css = `{head[1]._get_theme_css()}`
+        }} {" ".join(make_else_if(t) for t in tail)}
+    """
+
+    latest_to_oldest = sorted([t[0] for t in themes], key=lambda asset: asset.version)[
+        ::-1
+    ]
+    latest_to_oldest = [str(t.version) for t in latest_to_oldest]
+
+    component = gr.Dropdown(
+        choices=latest_to_oldest,
+        value=latest_to_oldest[0],
+        render=False,
+        label="Select Version",
+    ).style(container=False)
+
+    return (
+        component,
+        f"""
+        (theme) => {{
+            if (!document.querySelector('.theme-css')) {{
+                var theme_elem = document.createElement('style');
+                theme_elem.classList.add('theme-css');
+                document.head.appendChild(theme_elem);
+            }} else {{
+                var theme_elem = document.querySelector('.theme-css');
+            }}
+            {if_statement}
+            theme_elem.innerHTML = theme_css;
+        }}
+    """,
+    )