143 lines
4.8 KiB
Python
143 lines
4.8 KiB
Python
# -*- encoding: utf-8 -*-
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import sublime
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import sublime_plugin
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import os.path
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from html.parser import HTMLParser
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from .lib import markdown2
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from .escape_amp import *
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from .functions import *
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from .setting_names import *
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__folder__ = os.path.dirname(__file__)
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STYLE_FILE = os.path.join(os.path.dirname(__folder__), 'User',
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'MarkdownLivePreview.css')
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DEFAULT_STYLE_FILE = os.path.join(__folder__, 'default.css')
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def get_preview_name(md_view):
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name = md_view.name() \
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or os.path.basename(md_view.file_name()) \
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or 'Untitled'
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return name + ' - Preview'
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def find_preview(window):
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for view in window.views():
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vsettings = view.settings()
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if vsettings.get(IS_PREVIEW):
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yield view, vsettings
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def create_preview(md_view):
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window = md_view.window()
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md_view_settings = md_view.settings()
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md_view_settings.set(JUST_CREATED, True)
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preview = window.new_file()
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psettings = preview.settings()
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psettings.set(IS_PREVIEW, True)
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psettings.set(MD_VIEW_ID, md_view.id())
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preview.set_name(get_preview_name(md_view))
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preview.set_scratch(True)
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md_view_settings.set(PREVIEW_ID, preview.id())
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def move_and_focus_md_view():
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window.run_command('new_pane')
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sublime.set_timeout_async(lambda: window.focus_view(md_view), 250)
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sublime.set_timeout_async(move_and_focus_md_view, 250)
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return preview
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def hide_preview(view):
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window = view.window()
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vsettings = view.settings()
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if vsettings.get(IS_PREVIEW):
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preview = view
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psettings = vsettings
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md_view_id = vsettings.get(MD_VIEW_ID)
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md_view = get_view_from_id(window, md_view_id)
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if md_view is None:
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raise ValueError('Tried to get md_view from id {} but got None'.format(md_view_id))
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mdvsettings = md_view.settings()
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elif vsettings.get(PREVIEW_ENABLED):
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md_view = view
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preview_id = vsettings.get(PREVIEW_ID)
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preview = get_view_from_id(window, preview_id)
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mdvsettings = vsettings
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if preview is None:
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raise ValueError('Tried to get preview from id {} but got None'.format(preview_id))
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psettings = preview.settings()
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else:
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raise ValueError('Call hide_preview with a view which is not the preview or the md_view')
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psettings.set(IS_HIDDEN, True)
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mdvsettings.erase(PREVIEW_ID)
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sublime.set_timeout(lambda: preview.close(), 250)
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return
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window = md_view.window()
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if window is None:
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return
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mdvsettings = md_view.settings()
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preview_id = mdvsettings.get(PREVIEW_ID)
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if not preview_id:
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return
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mdvsettings.erase(PREVIEW_ID)
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preview = get_view_from_id(window, preview_id)
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if preview is None:
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raise ValueError('Tried to get view from id {} but got None'.format(preview_id))
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psettings = preview.settings()
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psettings.set(IS_HIDDEN, True)
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sublime.set_timeout(preview.close(), 250)
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def get_style():
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if os.path.exists(STYLE_FILE):
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with open(STYLE_FILE) as fp:
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return fp.read()
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with open(DEFAULT_STYLE_FILE) as fp:
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content = fp.read()
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content = ''.join([line.strip() for line in content.splitlines()])
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return content + "pre code .space {color: var(--light-bg)}"
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def show_html(md_view, preview):
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html = '<style>{}</style>\n{}'.format(get_style(),
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pre_with_br(markdown2.markdown(get_view_content(md_view),
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extras=['fenced-code-blocks',
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'no-code-highlighting'])))
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# the option no-code-highlighting does not exists
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# in the official version of markdown2 for now
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# I personaly edited the file (markdown2.py:1743)
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html = html.replace(' ', ' espace;') # save where are the spaces
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html = HTMLParser().unescape(html)
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html = escape_amp(html)
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# exception, again, because <pre> aren't supported by the phantoms
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html = html.replace(' espace;', '<i class="space">.</i>')
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html = replace_img_src_base64(html)
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preview.erase_phantoms('markdown_preview')
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preview.add_phantom('markdown_preview',
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sublime.Region(-1),
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html,
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sublime.LAYOUT_BLOCK,
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lambda href: sublime.run_command('open_url',
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{'url': href}))
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# set viewport position
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# 0 < y < 1
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y = md_view.text_to_layout(md_view.sel()[0].begin())[1] / md_view.layout_extent()[1]
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vector = [0, y * preview.layout_extent()[1]]
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# remove half of the viewport_extent.y to center it on the screen (verticaly)
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vector[1] -= preview.viewport_extent()[1] / 2
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vector[1] = mini(vector[1], 0)
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vector[1] += preview.line_height()
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preview.set_viewport_position(vector, animate=False)
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