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 observable
   7 from .. import utils
   8
   9
  10 BACKGROUND_EDITOR = 'cola.backgroundeditor'
  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 MAXRECENT = 'cola.maxrecent'
  23 MERGE_DIFFSTAT = 'merge.diffstat'
  24 MERGE_KEEPBACKUP = 'merge.keepbackup'
  25 MERGE_SUMMARY = 'merge.summary'
  26 MERGE_VERBOSITY = 'merge.verbosity'
  27 MERGETOOL = 'merge.tool'
  28 EXPANDTAB = 'cola.expandtab'
  29 SAVEWINDOWSETTINGS = 'cola.savewindowsettings'
  30 SORT_BOOKMARKS = 'cola.sortbookmarks'
  31 TABWIDTH = 'cola.tabwidth'
  32 TEXTWIDTH = 'cola.textwidth'
  33 USER_EMAIL = 'user.email'
  34 USER_NAME = 'user.name'
  35 SAFE_MODE = 'cola.safemode'
  36 SHOW_PATH = 'cola.showpath'
  37 SPELL_CHECK = 'cola.spellcheck'
  38
  39
  40 def default_blame_viewer():
  41     return 'git gui blame'
  42
  43
  44 def blame_viewer(context):
  45     default = default_blame_viewer()
  46     return context.cfg.get(BLAME_VIEWER, default=default)
  47
  48
  49 def bold_headers(context):
  50     return context.cfg.get(BOLD_HEADERS, default=False)
  51
  52
  53 def check_conflicts(context):
  54     return context.cfg.get(CHECKCONFLICTS, default=True)
  55
  56
  57 def display_untracked(context):
  58     return context.cfg.get(DISPLAY_UNTRACKED, default=True)
  59
  60
  61 def editor(context):
  62     app = context.cfg.get(EDITOR, default='gvim')
  63     return _remap_editor(app)
  64
  65
  66 def background_editor(context):
  67     app = context.cfg.get(BACKGROUND_EDITOR, default=editor(context))
  68     return _remap_editor(app)
  69
  70
  71 def _remap_editor(app):
  72     return {'vim': 'gvim -f'}.get(app, app)
  73
  74
  75 def comment_char(context):
  76     return context.cfg.get(COMMENT_CHAR, default='#')
  77
  78
  79 def default_history_browser():
  80     if utils.is_win32():
  81         # On Windows, a sensible default is "python git-cola dag"
  82         # which is different than `gitk` below, but is preferred
  83         # because we don't have to guess paths.
  84         git_cola = sys.argv[0].replace('\\', '/')
  85         python = sys.executable.replace('\\', '/')
  86         cwd = core.getcwd().replace('\\', '/')
  87         argv = [python, git_cola, 'dag', '--repo', cwd]
  88         argv = core.prep_for_subprocess(argv)
  89         default = core.list2cmdline(argv)
  90     else:
  91         # The `gitk` script can be launched as-is on unix
  92         default = 'gitk'
  93     return default
  94
  95
  96 def history_browser(context):
  97     default = default_history_browser()
  98     return context.cfg.get(HISTORY_BROWSER, default=default)
  99
 100
 101 def linebreak(context):
 102     return context.cfg.get(LINEBREAK, default=True)
 103
 104
 105 def maxrecent(context):
 106     value = 8
 107     if context:
 108         value = context.cfg.get(MAXRECENT, default=value)
 109     return value
 110
 111
 112 def spellcheck(context):
 113     return context.cfg.get(SPELL_CHECK, default=False)
 114
 115
 116 def expandtab(context):
 117     return context.cfg.get(EXPANDTAB, default=False)
 118
 119
 120 def sort_bookmarks(context):
 121     return context.cfg.get(SORT_BOOKMARKS, default=True)
 122
 123
 124 def tabwidth(context):
 125     return context.cfg.get(TABWIDTH, default=8)
 126
 127
 128 def textwidth(context):
 129     return context.cfg.get(TEXTWIDTH, default=72)
 130
 131
 132 class PreferencesModel(observable.Observable):
 133     message_config_updated = 'config_updated'
 134
 135     def __init__(self, context):
 136         observable.Observable.__init__(self)
 137         self.context = context
 138         self.config = context.cfg
 139
 140     def set_config(self, source, config, value):
 141         if source == 'repo':
 142             self.config.set_repo(config, value)
 143         else:
 144             self.config.set_user(config, value)
 145         message = self.message_config_updated
 146         self.notify_observers(message, source, config, value)
 147
 148     def get_config(self, source, config):
 149         if source == 'repo':
 150             value = self.config.get_repo(config)
 151         else:
 152             value = self.config.get(config)
 153         return value
 154
 155
 156 class SetConfig(object):
 157
 158     def __init__(self, model, source, config, value):
 159         self.source = source
 160         self.config = config
 161         self.value = value
 162         self.old_value = None
 163         self.model = model
 164
 165     def is_undoable(self):
 166         return True
 167
 168     def do(self):
 169         self.old_value = self.model.get_config(self.source, self.config)
 170         self.model.set_config(self.source, self.config, self.value)
 171
 172     def undo(self):
 173         if self.old_value is None:
 174             return
 175         self.model.set_config(self.source, self.config, self.old_value)