Trixy7/trixy_core/tui/widgets/header.py

# -*- coding: utf-8 -*-
"""
Titelleiste fuer die Trixy-TUI.
"""

from textual.reactive import reactive
from textual.widget import Widget
from textual.app import RenderResult
from rich.text import Text


class TrixyHeader(Widget):
    """
    Titelleiste mit Ansichtstitel und Verbindungsinformation.

    Zeigt z.B.: "Trixy Config > Health   [server@localhost:2105]"
    """

    DEFAULT_CSS = """
    TrixyHeader {
        dock: top;
        height: 1;
        background: $accent;
        color: $text;
        content-align: center middle;
    }
    """

    subtitle: reactive[str] = reactive("")
    connection_info: reactive[str] = reactive("")

    def render(self) -> RenderResult:
        """Rendert die Titelleiste."""
        title = Text("Trixy Config", style="bold")
        if self.subtitle:
            title.append(" > ", style="dim")
            title.append(self.subtitle)
        if self.connection_info:
            # Rechtsbuendig mit Padding
            padding = " " * max(1, self.size.width - len(title.plain) - len(self.connection_info) - 4)
            title.append(padding)
            title.append(f"[{self.connection_info}]", style="dim italic")
        return title