feat: New changelog command

Now the `Changelog` command will open the changelog as a sublime text tab.

changes.py

@@ -0,0 +1,38 @@
+"""Changelog."""
+import sublime
+import sublime_plugin
+import mdpopups
+
+CSS = '''
+.mt-config-changes { {{'.background'|css}} margin: 0; padding: 0; }
+.mt-config-changes ul li, .bracket-hightlighter p { {{'.foreground'|css}} }
+.mt-config-changes a { color: #4B67FF; }
+.mt-config-changes h1, .mt-config-changes h2, .mt-config-changes h3,
+.mt-config-changes h4, .mt-config-changes h5, .mt-config-changes h6 {
+    {{'.string'|css('color')}}
+}
+.mt-config-changes h1, .mt-config-changes h2 { margin-top: 50px; }
+.mt-config-changes h3, .mt-config-changes h4 { margin-top: 30px; }
+.mt-config-changes blockquote { {{'.foreground'|css('color')}} }
+'''
+
+
+class MtChangesCommand(sublime_plugin.WindowCommand):
+    """Changelog command."""
+
+    def run(self):
+        """Show the changelog in a new view."""
+        text = sublime.load_resource('Packages/Material Theme/CHANGELOG.md')
+        view = self.window.new_file()
+        view.set_name('Material Theme - Changelog')
+        view.settings().set('gutter', False)
+        html = '<div class="mt-config-changes">%s</div>' % mdpopups.md2html(view, text)
+        mdpopups.add_phantom(view, 'changelog', sublime.Region(0), html, sublime.LAYOUT_INLINE, css=CSS)
+        view.set_read_only(True)
+        view.set_scratch(True)
+
+    def is_enabled(self):
+        """Check if is enabled."""
+        return (mdpopups.version() >= (1, 7, 3)) and (int(sublime.version()) >= 3118)
+
+    is_visible = is_enabled

urls.py

@@ -17,12 +17,4 @@ class MtIssuesCommand(sublime_plugin.WindowCommand):
 
     def run(self):
         """Show the changelog in a new view."""
-        webbrowser.open_new_tab('https://github.com/equinusocio/material-theme/issues')
-
-
-class MtChangesCommand(sublime_plugin.WindowCommand):
-    """Changelog command."""
-
-    def run(self):
-        """Show the changelog in a new view."""
-        webbrowser.open_new_tab('https://github.com/equinusocio/material-theme/blob/master/CHANGELOG.md')
+        webbrowser.open_new_tab('https://github.com/equinusocio/material-theme/issues')