104 lines
3.6 KiB
Python
104 lines
3.6 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 as md2
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from .lib.pre_tables import pre_tables
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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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from .image_manager import CACHE_FILE
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from random import randint as rnd
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__folder__ = os.path.dirname(__file__)
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USER_STYLE_FILE = os.path.join(os.path.dirname(__folder__), 'User', 'MarkdownLivePreview.css')
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# used to store the phantom's set
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windows_phantom_set = {}
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def plugin_loaded():
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global DEFAULT_STYLE_FILE
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DEFAULT_STYLE_FILE = sublime.load_resource('Packages/MarkdownLivePreview/default.css')
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def get_preview_name(md_view):
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file_name = md_view.file_name()
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name = md_view.name() \
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or os.path.basename(file_name) if file_name else None \
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or 'Untitled'
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return name + ' - Preview'
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def create_preview(window, file_name):
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preview = window.new_file()
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preview.set_name(get_preview_name(file_name))
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preview.set_scratch(True)
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preview.set_syntax_file('Packages/MarkdownLivePreview/.sublime/' + \
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'MarkdownLivePreviewSyntax.hidden-tmLanguage')
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return preview
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def get_style():
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content = ''.join([line.strip() + ' ' for line in DEFAULT_STYLE_FILE.splitlines()])
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if os.path.exists(USER_STYLE_FILE):
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with open(USER_STYLE_FILE) as fp:
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content += '\n' + fp.read() + '\n'
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return content
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def markdown2html(md, basepath):
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html = ''
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html += '<style>\n{}\n</style>\n'.format(get_style())
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# pre_with_br
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html += pre_with_br(pre_tables(md2.markdown(md, extras=['fenced-code-blocks',
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'no-code-highlighting', 'tables'])))
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# the option no-code-highlighting does not exists 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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# 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, basepath=os.path.dirname(basepath))
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sublime.set_clipboard(html)
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return html
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def show_html(md_view, preview):
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global windows_phantom_set
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html = markdown2html(get_view_content(md_view), os.path.dirname(md_view.file_name()))
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phantom_set = windows_phantom_set.setdefault(preview.window().id(),
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sublime.PhantomSet(preview, 'markdown_live_preview'))
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phantom_set.update([sublime.Phantom(sublime.Region(0), html, sublime.LAYOUT_BLOCK,
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lambda href: sublime.run_command('open_url', {'url': href}))])
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# lambda href: sublime.run_command('open_url', {'url': href})
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# get the "ratio" of the markdown view's 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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# set the vector (position) for the preview
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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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# make sure the minimum is 0
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vector[1] = 0 if vector[1] < 0 else vector[1]
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# the hide the first line
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vector[1] += preview.line_height()
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preview.set_viewport_position(vector, animate=False)
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def clear_cache():
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"""Removes the cache file"""
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os.remove(CACHE_FILE)
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def release_phantoms_set(view_id=None):
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global windows_phantom_set
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if view_id is None:
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windows_phantom_set = {}
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else:
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del windows_phantom_set[view_id]
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