preview markdown working

MLPApi.py

@@ -3,9 +3,20 @@
 import sublime
 import sublime_plugin
 
+import os.path
+from html.parser import HTMLParser
+
+from .lib import markdown2
+from .escape_amp import *
 from .functions import *
 from .setting_names import *
 
+__folder__ = os.path.dirname(__file__)
+
+STYLE_FILE = os.path.join(os.path.dirname(__folder__), 'User',
+                                          'MarkdownLivePreview.css')
+DEFAULT_STYLE_FILE = os.path.join(__folder__, 'default.css')
+
 def get_preview_name(md_view):
     name = md_view.name() \
            or os.path.basename(md_view.file_name()) \
@@ -40,3 +51,51 @@ def hide_preview(md_view):
     psettings = preview.settings()
     psettings.set(IS_HIDDEN, True)
     sublime.set_timeout(preview.close(), 250)
+
+def get_style():
+    if os.path.exists(STYLE_FILE):
+        with open(STYLE_FILE) as fp:
+            return fp.read()
+
+    with open(DEFAULT_STYLE_FILE) as fp:
+        content = fp.read()
+    content = ''.join([line.strip() for line in content.splitlines()])
+    return content + "pre code .space {color: var(--light-bg)}"
+
+def show_html(md_view, preview):
+    html = '<style>{}</style>\n{}'.format(get_style(),
+            pre_with_br(markdown2.markdown(get_view_content(md_view),
+                                           extras=['fenced-code-blocks',
+                                                   'no-code-highlighting'])))
+
+    # the option no-code-highlighting does not exists
+    # in the official version of markdown2 for now
+    # I personaly edited the file (markdown2.py:1743)
+
+    html = html.replace('&nbsp;', '&nbspespace;') # save where are the spaces
+
+    html = HTMLParser().unescape(html)
+
+    html = escape_amp(html)
+
+    # exception, again, because <pre> aren't supported by the phantoms
+    html = html.replace('&nbspespace;', '<i class="space">.</i>')
+    html = replace_img_src_base64(html)
+    preview.erase_phantoms('markdown_preview')
+    preview.add_phantom('markdown_preview',
+                         sublime.Region(-1),
+                         html,
+                         sublime.LAYOUT_BLOCK,
+                         lambda href: sublime.run_command('open_url',
+                                                          {'url': href}))
+
+    # set viewport position
+
+    # 0 < y < 1
+    y = md_view.text_to_layout(md_view.sel()[0].begin())[1] / md_view.layout_extent()[1]
+    vector = [0, y * preview.layout_extent()[1]]
+    # remove half of the viewport_extent.y to center it on the screen (verticaly)
+    vector[1] -= preview.viewport_extent()[1] / 2
+    vector[1] = mini(vector[1], 0)
+    vector[1] += preview.line_height()
+    preview.set_viewport_position(vector, animate=False)