From ece35a566f002bb0454d3f02a87ca51a48a7c7c5 Mon Sep 17 00:00:00 2001
From: mitchell <70453897+667e-11@users.noreply.github.com>
Date: Thu, 27 Sep 2007 23:05:20 -0400
Subject: Added buffer:reload() function.

---
 core/events.lua  |  1 +
 core/file_io.lua | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)

(limited to 'core')

diff --git a/core/events.lua b/core/events.lua
index bfd5ef09..3fe609e3 100644
--- a/core/events.lua
+++ b/core/events.lua
@@ -306,6 +306,7 @@ add_handler('margin_click',
 add_handler('buffer_new',
   function() -- set additional buffer functions
     local buffer, textadept = buffer, textadept
+    buffer.reload = textadept.io.reload
     buffer.save = textadept.io.save
     buffer.save_as = textadept.io.save_as
     buffer.close = textadept.io.close
diff --git a/core/file_io.lua b/core/file_io.lua
index c7433479..e4d36db0 100644
--- a/core/file_io.lua
+++ b/core/file_io.lua
@@ -52,6 +52,24 @@ function open(filenames)
   for filename in filenames:gmatch('[^|\n]+') do open_helper(filename) end
 end
 
+---
+-- Reloads the file in a given buffer.
+-- @param buffer The buffer to reload. This must be the currently focused
+--   buffer.
+-- @usage buffer:reload()
+function reload(buffer)
+  textadept.check_focused_buffer(buffer)
+  if not buffer.filename then return end
+  local f, err = io.open(buffer.filename)
+  if f then
+    local pos = buffer.current_pos
+    buffer:set_text( f:read('*all') )
+    buffer.current_pos = pos
+    buffer:set_save_point()
+    f:close()
+  end
+end
+
 ---
 -- Saves the current buffer to a file.
 -- @param buffer The buffer to save. Its 'filename' property is used as the
-- 
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