cola/models/prefs.py

   1 from __future__ import division, absolute_import, unicode_literals
   2
   3 import sys
   4
   5 from .. import core
   6 from .. import gitcfg
   7 from .. import observable
   8 from .. import utils
   9
  10
  11 BLAME_VIEWER = 'cola.blameviewer'
  12 BOLD_HEADERS = 'cola.boldheaders'
  13 CHECKCONFLICTS = 'cola.checkconflicts'
  14 COMMENT_CHAR = 'core.commentchar'
  15 DIFFCONTEXT = 'gui.diffcontext'
  16 DIFFTOOL = 'diff.tool'
  17 DISPLAY_UNTRACKED = 'gui.displayuntracked'
  18 EDITOR = 'gui.editor'
  19 FONTDIFF = 'cola.fontdiff'
  20 HISTORY_BROWSER = 'gui.historybrowser'
  21 LINEBREAK = 'cola.linebreak'
  22 MERGE_DIFFSTAT = 'merge.diffstat'
  23 MERGE_KEEPBACKUP = 'merge.keepbackup'
  24 MERGE_SUMMARY = 'merge.summary'
  25 MERGE_VERBOSITY = 'merge.verbosity'
  26 MERGETOOL = 'merge.tool'
  27 SAVEWINDOWSETTINGS = 'cola.savewindowsettings'
  28 SORT_BOOKMARKS = 'cola.sortbookmarks'
  29 TABWIDTH = 'cola.tabwidth'
  30 TEXTWIDTH = 'cola.textwidth'
  31 USER_EMAIL = 'user.email'
  32 USER_NAME = 'user.name'
  33 SPELL_CHECK = 'cola.spellcheck'
  34
  35
  36 def default_blame_viewer():
  37     return 'git gui blame'
  38
  39
  40 def blame_viewer():
  41     default = default_blame_viewer()
  42     return gitcfg.current().get(BLAME_VIEWER, default)
  43
  44
  45 def bold_headers():
  46     return gitcfg.current().get(BOLD_HEADERS, False)
  47
  48
  49 def check_conflicts():
  50     return gitcfg.current().get(CHECKCONFLICTS, True)
  51
  52
  53 def display_untracked():
  54     return gitcfg.current().get(DISPLAY_UNTRACKED, True)
  55
  56
  57 def editor():
  58     app = gitcfg.current().get(EDITOR, 'gvim')
  59     return {'vim': 'gvim -f'}.get(app, app)
  60
  61
  62 def comment_char():
  63     return gitcfg.current().get(COMMENT_CHAR, '#')
  64
  65
  66 def default_history_browser():
  67     if utils.is_win32():
  68         # On Windows, a sensible default is "python git-cola dag"
  69         # which is different than `gitk` below, but is preferred
  70         # because we don't have to guess paths.
  71         git_cola = sys.argv[0].replace("\\", '/')
  72         python = sys.executable.replace("\\", '/')
  73         argv = [python, git_cola, 'dag']
  74         argv = core.prep_for_subprocess(argv)
  75         default = core.list2cmdline(argv)
  76     else:
  77         # The `gitk` script can be launched as-is on unix
  78         default = 'gitk'
  79     return default
  80
  81
  82 def history_browser():
  83     default = default_history_browser()
  84     return gitcfg.current().get(HISTORY_BROWSER, default)
  85
  86
  87 def linebreak():
  88     return gitcfg.current().get(LINEBREAK, True)
  89
  90 def spellcheck():
  91     return gitcfg.current().get(SPELL_CHECK, False)
  92
  93 def sort_bookmarks():
  94     return gitcfg.current().get(SORT_BOOKMARKS, True)
  95
  96
  97 def tabwidth():
  98     return gitcfg.current().get(TABWIDTH, 8)
  99
 100
 101 def textwidth():
 102     return gitcfg.current().get(TEXTWIDTH, 72)
 103
 104
 105 class PreferencesModel(observable.Observable):
 106     message_config_updated = 'config_updated'
 107
 108     def __init__(self):
 109         observable.Observable.__init__(self)
 110         self.config = gitcfg.current()
 111
 112     def set_config(self, source, config, value):
 113         if source == 'repo':
 114             self.config.set_repo(config, value)
 115         else:
 116             self.config.set_user(config, value)
 117         message = self.message_config_updated
 118         self.notify_observers(message, source, config, value)
 119
 120     def get_config(self, source, config):
 121         if source == 'repo':
 122             return self.config.get_repo(config)
 123         else:
 124             return self.config.get(config)
 125
 126
 127 class SetConfig(object):
 128
 129     def __init__(self, model, source, config, value):
 130         self.source = source
 131         self.config = config
 132         self.value = value
 133         self.old_value = None
 134         self.model = model
 135
 136     def is_undoable(self):
 137         return True
 138
 139     def do(self):
 140         self.old_value = self.model.get_config(self.source, self.config)
 141         self.model.set_config(self.source, self.config, self.value)
 142
 143     def undo(self):
 144         if self.old_value is None:
 145             return
 146         self.model.set_config(self.source, self.config, self.old_value)