Source code for simvx.ide.panels.file_browser

"""IDE File Browser -- project directory tree sidebar."""

from pathlib import Path
from typing import TYPE_CHECKING

from simvx.core.git_status import GitStatusProvider
from simvx.core.ui.file_browser import FileBrowserPanel as _BaseFileBrowserPanel

if TYPE_CHECKING:
    from ..state import State

__all__ = ["FileBrowserPanel"]



class FileBrowserPanel(_BaseFileBrowserPanel):
    """IDE file browser that opens files via goto_requested.

    Constructs a ``GitStatusProvider`` rooted at ``state.project_root`` when
    that path exists, wiring ``state.dirty_paths`` so unsaved buffers show as
    yellow ``Status.MODIFIED_UNSAVED`` dots. Pass ``git_status=`` to override.
    """

    def __init__(
        self,
        state: State,
        *,
        git_status: GitStatusProvider | None = None,
        **kwargs,
    ):
        if git_status is None and state.project_root:
            project_root = Path(state.project_root)
            if project_root.is_dir():
                # The provider tolerates corrupt/partial .git directories
                # (worktree pointers, fresh init with no HEAD, missing git
                # binary) internally — see GitStatusProvider docs.
                git_status = GitStatusProvider(
                    project_root,
                    dirty_paths_callback=state.dirty_paths,
                )

        super().__init__(
            title="Files",
            show_icons=True,
            drag_enabled=False,
            git_status=git_status,
            **kwargs,
        )
        self.name = "Files"
        self._state = state
        # Wire file activation to IDE goto
        self.file_activated.connect(self._on_file_activated)

    def _on_file_activated(self, path: str):
        """Open file in IDE editor via goto_requested."""
        self._state.goto_requested.emit(path, 0, 0)

    # Override _on_item_selected to also match original IDE behaviour
    # where single-click on a file triggers file_selected + goto_requested
    def _on_item_activated(self, item):
        """IDE-compat: single-click on file triggers file_selected and goto.

        Called from tests that simulate the original IDE item_selected callback.
        """
        if not item.data:
            return
        path = item.data.get("path", "")
        is_dir = item.data.get("is_dir", False)
        if not is_dir and path:
            self.file_selected.emit(path)
            self._state.goto_requested.emit(path, 0, 0)



    def exit_tree(self):
        """Stop the polling thread when the panel is removed from the tree."""
        provider = self.__dict__.get("_git_status")
        if provider is not None:
            provider.stop()
        if hasattr(super(), "exit_tree"):
            super().exit_tree()