gistfile1.py

import os
import sublime_plugin


class NewFilePopupCommand(sublime_plugin.WindowCommand):
    def run(self):
        self.build_directory_tree()
        self.window.show_quick_panel(self.labels, self.directory_selected)

    def build_directory_tree(self):
        self.labels = []
        self.label_to_path = {}
        for folder in self.window.folders():
            root, relative = os.path.split(folder)
            stack = [relative]
            while stack:
                relative = stack.pop(0)
                if '.git' in relative:
                    continue
                fullpath = os.path.join(root, relative)
                self.labels.append(relative)
                self.label_to_path[relative] = fullpath

                base, dirs, files = os.walk(fullpath).next()
                dirs = map(lambda d: os.path.join(relative, d), sorted(dirs))
                stack.extend(dirs)


    def directory_selected(self, selected_index):
        if selected_index != -1:
            v = self.window.new_file()
            label = self.labels[selected_index]
            fullpath = self.label_to_path[label]
            v.settings().set('default_dir', fullpath)