git_gutter_change.py

import sublime
import sublime_plugin
try:
    from .view_collection import ViewCollection
except (ImportError, ValueError):
    from view_collection import ViewCollection

ST3 = int(sublime.version()) >= 3000


def plugin_loaded():
    global settings
    settings = sublime.load_settings('GitGutter.sublime-settings')


class GitGutterBaseChangeCommand(sublime_plugin.WindowCommand):

    def lines_to_blocks(self, lines):
        blocks = []
        last_line = -2
        for line in lines:
            if line > last_line + 1:
                blocks.append(line)
            last_line = line
        return blocks

    def run(self):
        view = self.window.active_view()

        inserted, modified, deleted = ViewCollection.diff(view)
        inserted = self.lines_to_blocks(inserted)
        modified = self.lines_to_blocks(modified)
        all_changes = sorted(inserted + modified + deleted)
        if all_changes:
            row, col = view.rowcol(view.sel()[0].begin())

            current_row = row + 1

            line = self.jump(all_changes, current_row)

            self.window.active_view().run_command("goto_line", {"line": line})


class GitGutterNextChangeCommand(GitGutterBaseChangeCommand):

    def jump(self, all_changes, current_row):
        if settings.get('next_prev_change_wrap', True):
            default = all_changes[0]
        else:
            default = all_changes[-1]

        return next((change for change in all_changes
                    if change > current_row), default)


class GitGutterPrevChangeCommand(GitGutterBaseChangeCommand):

    def jump(self, all_changes, current_row):
        if settings.get('next_prev_change_wrap', True):
            default = all_changes[-1]
        else:
            default = all_changes[0]

        return next((change for change in reversed(all_changes)
                    if change < current_row), default)


if not ST3:
    plugin_loaded()