111 lines
3.9 KiB
Python
111 lines
3.9 KiB
Python
'''
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Provides both a trailing spaces highlighter and a deletion command.
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Config summary (see README.md for details):
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# key binding
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{ "keys": ["ctrl+shift+t"], "command": "delete_trailing_spaces" }
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# file settings
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{
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"trailing_spaces_highlight_color": "invalid",
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"trailing_spaces_file_max_size": 1000
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}
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@author: Jean-Denis Vauguet <jd@vauguet.fr>, Oktay Acikalin <ok@ryotic.de>
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@license: MIT (http://www.opensource.org/licenses/mit-license.php)
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@since: 2011-02-25
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'''
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import sublime
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import sublime_plugin
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DEFAULT_MAX_FILE_SIZE = 1048576
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DEFAULT_COLOR_SCOPE_NAME = "invalid"
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DEFAULT_IS_ENABLED = True
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#Set whether the plugin is on or off
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ts_settings = sublime.load_settings('trailing_spaces.sublime-settings')
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trailing_spaces_enabled = bool(ts_settings.get('trailing_spaces_enabled',
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DEFAULT_IS_ENABLED))
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# Determine if the view is a find results view
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def is_find_results(view):
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return view.settings().get('syntax') and "Find Results" in view.settings().get('syntax')
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# Return an array of regions matching trailing spaces.
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def find_trailing_spaces(view):
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include_empty_lines = bool(ts_settings.get('trailing_spaces_include_empty_lines',
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DEFAULT_IS_ENABLED))
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return view.find_all('[ \t]+$' if include_empty_lines else '(?<=\S)[\t ]+$')
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# Highlight trailing spaces
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def highlight_trailing_spaces(view):
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max_size = ts_settings.get('trailing_spaces_file_max_size',
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DEFAULT_MAX_FILE_SIZE)
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color_scope_name = ts_settings.get('trailing_spaces_highlight_color',
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DEFAULT_COLOR_SCOPE_NAME)
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if view.size() <= max_size and not is_find_results(view):
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regions = find_trailing_spaces(view)
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view.add_regions('TrailingSpacesHighlightListener',
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regions, color_scope_name,
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sublime.DRAW_EMPTY)
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# Clear all trailing spaces
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def clear_trailing_spaces_highlight(window):
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for view in window.views():
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view.erase_regions('TrailingSpacesHighlightListener')
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# Toggle the event listner on or off
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class ToggleTrailingSpacesCommand(sublime_plugin.WindowCommand):
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def run(self):
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global trailing_spaces_enabled
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trailing_spaces_enabled = False if trailing_spaces_enabled else True
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# If toggling on, go ahead and perform a pass,
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# else clear the highlighting in all views
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if trailing_spaces_enabled:
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highlight_trailing_spaces(self.window.active_view())
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else:
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clear_trailing_spaces_highlight(self.window)
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# Highlight matching regions.
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class TrailingSpacesHighlightListener(sublime_plugin.EventListener):
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def on_modified(self, view):
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if trailing_spaces_enabled:
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highlight_trailing_spaces(view)
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def on_activated(self, view):
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if trailing_spaces_enabled:
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highlight_trailing_spaces(view)
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def on_load(self, view):
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if trailing_spaces_enabled:
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highlight_trailing_spaces(view)
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# Allows to erase matching regions.
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class DeleteTrailingSpacesCommand(sublime_plugin.TextCommand):
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def run(self, edit):
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regions = find_trailing_spaces(self.view)
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if regions:
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# deleting a region changes the other regions positions, so we
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# handle this maintaining an offset
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offset = 0
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for region in regions:
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r = sublime.Region(region.a + offset, region.b + offset)
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self.view.erase(edit, sublime.Region(r.a, r.b))
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offset -= r.size()
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msg_parts = {"nbRegions": len(regions),
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"plural": 's' if len(regions) > 1 else ''}
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msg = "Deleted %(nbRegions)s trailing spaces region%(plural)s" % msg_parts
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else:
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msg = "No trailing spaces to delete!"
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sublime.status_message(msg)
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