tab_closer.py

import sublime, sublime_plugin

from SublimeTabCloser.git_manager import GitManager

class TabCloserEventListener(sublime_plugin.EventListener):
    """
    Listens to events from SublimeText. Used to perform the relevant operations
    at the correct times, which causes the program to operate in general.
    """
    git_manager = None

    def on_activated_async(self, view):
        """
        Fires every time a new tab is selected.
        Compares every open tab, and checks if git has marked that file as
        a renamed or deleted file. If so, it closes that tab.

        Keyword arguments:
        view -- The view that was activated
        """

        # If the git manager has not previsouly been defined, create it.
        if self.git_manager is None:
            project_dir = self.get_project_dir(view)
            self.git_manager = git_manager.GitManager(project_dir)

        # Get the git difference
        differences = self.git_manager.get_difference()

        # TODO  Try to reduce the complexity of this. Should be possible to do
        #       in O(n) by storing file names in a dictionary.
        for diff in differences:
            for tab in view.window().views():
                if tab.file_name() is not None and tab.file_name().endswith(diff.a_path):
                    tab.set_scratch(True)
                    tab.close()

    def get_project_dir(self, view):
        """
        Get the working directory of the given view.

        Keyword arguments:
        view -- The view, which buffer you want to determine the folder of
        """
        return view.window().extract_variables()['folder']