remove utils.py file; use a setting file for delay between updates

utils.py contained two functions. One which wasn't used, and another,
get_settings() which I moved to MarkdownLivePreview.py

Add an entry to the command palette to edit the settings

MarkdownLivePreview.py

@@ -1,3 +1,12 @@
+"""
+Terminology
+original_view: the view in the regular editor, without it's own window
+markdown_view: the markdown view, in the special window
+preview_view: the preview view, in the special window
+original_window: the regular window
+preview_window: the window with the markdown file and the preview
+"""
+
 import os.path
 import sublime
 import sublime_plugin
@@ -5,44 +14,22 @@ import sublime_plugin
 from functools import partial
 
 from .markdown2html import markdown2html
-from .utils import *
 
 MARKDOWN_VIEW_INFOS = "markdown_view_infos"
 PREVIEW_VIEW_INFOS = "preview_view_infos"
-# FIXME: put this as a setting for the user to choose?
-DELAY = 100  # ms
-
-
-def get_resource(resource):
-    path = "Packages/MarkdownLivePreview/resources/" + resource
-    abs_path = os.path.join(sublime.packages_path(), "..", path)
-    if os.path.isfile(abs_path):
-        with open(abs_path, "r") as fp:
-            return fp.read()
-    return sublime.load_resource(path)
-
+SETTING_DELAY_BETWEEN_UPDATES = "delay_between_updates"
 
 resources = {}
 
 
 def plugin_loaded():
+    global DELAY
     resources["base64_404_image"] = get_resource("404.base64")
     resources["base64_loading_image"] = get_resource("loading.base64")
     resources["stylesheet"] = get_resource("stylesheet.css")
-
-
-# try to reload the resources if we save this file
-try:
-    plugin_loaded()
-except OSError:
-    pass
-
-# Terminology
-# original_view: the view in the regular editor, without it's own window
-# markdown_view: the markdown view, in the special window
-# preview_view: the preview view, in the special window
-# original_window: the regular window
-# preview_window: the window with the markdown file and the preview
+    # FIXME: how could we make this setting update without restarting sublime text
+    #        and not loading it every update as well
+    DELAY = get_settings().get(SETTING_DELAY_BETWEEN_UPDATES)
 
 
 class MdlpInsertCommand(sublime_plugin.TextCommand):
@@ -237,3 +224,23 @@ class MarkdownLivePreviewListener(sublime_plugin.EventListener):
                 )
             ]
         )
+
+
+def get_settings():
+    return sublime.load_settings("MarkdownLivePreview.sublime-settings")
+
+
+def get_resource(resource):
+    path = "Packages/MarkdownLivePreview/resources/" + resource
+    abs_path = os.path.join(sublime.packages_path(), "..", path)
+    if os.path.isfile(abs_path):
+        with open(abs_path, "r") as fp:
+            return fp.read()
+    return sublime.load_resource(path)
+
+
+# try to reload the resources if we save this file
+try:
+    plugin_loaded()
+except OSError:
+    pass

MarkdownLivePreview.sublime-commands

@@ -3,5 +3,13 @@
 	{
 		"caption": "MarkdownLivePreview: Open Preview",
 		"command": "open_markdown_preview"
+	},
+	{
+		"caption": "MarkdownLivePreview: Open Settings",
+		"command": "edit_settings", "args":
+		{
+			"base_file": "${packages}/MarkdownLivePreview/MarkdownLivePreview.sublime-settings",
+			"default": "{\n\t$0\n}\n"
+		},
 	}
 ]

MarkdownLivePreview.sublime-settings

@@ -0,0 +1,4 @@
+{
+	// minimum number of milliseconds to wait before updating the preview again
+	"delay_between_updates": 100
+}

live-testing/test.md

@@ -1,9 +1 @@
-```
-hello world
-```
-
-```
-second part
-```
-
-hello world
+# hello world

utils.py

@@ -1,27 +0,0 @@
-# import sublime
-import time
-
-
-def get_settings():
-    return sublime.get_settings("MarkdownLivePreview.sublime-settings")
-
-
-def min_time_between_call(timeout, on_block=lambda *args, **kwargs: None):
-    """ Enforces a timeout between each call to the function
-    timeout is in seconds
-    """
-    last_call = 0
-
-    def outer(func):
-        def wrapper(*args, **kwargs):
-            nonlocal last_call
-
-            if time.time() - last_call < timeout:
-                time.sleep(timeout - (time.time() - last_call))
-
-            last_call = time.time()
-            return func(*args, **kwargs)
-
-        return wrapper
-
-    return outer