48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
import os
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import sys
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from rich.syntax import Syntax
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from textual import events
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from textual.app import App
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from textual.widgets import Header, Footer, FileClick, ScrollView, DirectoryTree
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class MyApp(App):
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"""An example of a very simple Textual App"""
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async def on_load(self, event: events.Load) -> None:
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await self.bind("b", "view.toggle('sidebar')", "Toggle sidebar")
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await self.bind("q", "quit", "Quit")
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try:
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self.path = sys.argv[1]
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except IndexError:
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self.path = os.path.abspath(
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os.path.join(os.path.basename(__file__), "../../")
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)
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async def on_mount(self, event: events.Mount) -> None:
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self.body = ScrollView()
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self.directory = DirectoryTree(self.path, "Code")
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await self.view.dock(Header(), edge="top")
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await self.view.dock(Footer(), edge="bottom")
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await self.view.dock(self.directory, edge="left", size=32, name="sidebar")
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await self.view.dock(self.body, edge="right")
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async def message_file_click(self, message: FileClick) -> None:
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syntax = Syntax.from_path(
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message.path,
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line_numbers=True,
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word_wrap=True,
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indent_guides=True,
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theme="monokai",
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)
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self.app.sub_title = os.path.basename(message.path)
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await self.body.update(syntax)
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self.body.home()
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MyApp.run(title="Code Viewer", log="textual.log")
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