61cf2984eb
It use to ask for confirmation (to save) because on_pre_close is run after this dialog. Hence, we set the markdown_view as scratch for unsaved files. :^)
125 lines
4.7 KiB
Python
125 lines
4.7 KiB
Python
import sublime
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import sublime_plugin
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from .utils import *
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def plugin_loaded():
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pass
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SETTING_MDLP = "markdown_live_preview"
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# original_view: the view in the regular editor, without it's own window
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# markdown_view: the markdown view, in the special window
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# preview_view: the preview view, in the special window
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# original_window: the regular window
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# preview_window: the window with the markdown file and the preview
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class MdlpInsertCommand(sublime_plugin.TextCommand):
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def run(self, edit, point, string):
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self.view.insert(edit, point, string)
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class OpenMarkdownPreviewCommand(sublime_plugin.TextCommand):
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def run(self, edit):
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""" If the file is saved exists on disk, we close it, and reopen it in a new
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window. Otherwise, we copy the content, erase it all (to close the file without
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a dialog) and re-insert it into a new view into a new window """
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original_view = self.view
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original_window_id = original_view.window().id()
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file_name = original_view.file_name()
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syntax_file = original_view.settings().get('syntax')
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if file_name:
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original_view.close()
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else:
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# the file isn't saved, we need to restore the content manually
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total_region = sublime.Region(0, original_view.size())
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content = original_view.substr(total_region)
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original_view.erase(edit, total_region)
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original_view.close()
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# FIXME: save the document to a temporary file, so that if we crash,
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# the user doesn't lose what he wrote
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sublime.run_command('new_window')
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preview_window = sublime.active_window()
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preview_window.run_command('set_layout', {
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'cols': [0.0, 0.5, 1.0],
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'rows': [0.0, 1.0],
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'cells': [[0, 0, 1, 1], [1, 0, 2, 1]]
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})
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preview_window.focus_group(0)
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if file_name:
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markdown_view = preview_window.open_file(file_name)
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else:
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markdown_view = preview_window.new_file()
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markdown_view.run_command('mdlp_insert', {'point': 0, 'string': content})
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markdown_view.set_scratch(True)
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markdown_view.set_syntax_file(syntax_file)
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markdown_view.settings().set(SETTING_MDLP, {
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"original_window_id": original_window_id
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})
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def is_enabled(self):
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# FIXME: is this the best way there is to check if the current syntax is markdown?
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# should we only support default markdown?
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# what about "md"?
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return 'markdown' in self.view.settings().get('syntax').lower()
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class MarkdownLivePreviewListener(sublime_plugin.EventListener):
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def on_pre_close(self, markdown_view):
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""" Close the view in the preview window, and store information for the on_close
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listener (see doc there)
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"""
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if not markdown_view.settings().get(SETTING_MDLP):
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return
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self.markdown_view = markdown_view
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self.preview_window = markdown_view.window()
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self.file_name = markdown_view.file_name()
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if self.file_name is None:
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# FIXME: this is duplicated code. How should it be generalized?
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total_region = sublime.Region(0, markdown_view.size())
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self.content = markdown_view.substr(total_region)
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markdown_view.erase(edit, total_region)
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else:
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self.content = None
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def on_close(self, markdown_view):
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""" Use the information saved to restore the markdown_view as an original_view
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"""
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infos = markdown_view.settings().get(SETTING_MDLP)
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if not infos:
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return
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assert markdown_view.id() == self.markdown_view.id(), \
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"pre_close view.id() != close view.id()"
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self.preview_window.run_command('close_window')
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# find the window with the right id
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original_window = next(window for window in sublime.windows() \
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if window.id() == infos['original_window_id'])
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if self.file_name:
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original_window.open_file(self.file_name)
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else:
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assert markdown_view.is_scratch(), "markdown view of an unsaved file should " \
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"be a scratch"
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# note here that this is called original_view, because it's what semantically
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# makes sense, but this original_view.id() will be different than the one
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# that we closed first to reopen in the preview window
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# shouldn't cause any trouble though
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original_view = original_window.new_file()
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original_view.run_command('mdlp_insert', {'point': 0, 'string': self.content})
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original_view.set_syntax_file(markdown_view.settings().get('syntax')) |