From f4987714290092d4975d5fe116a7a27487b1e8e7 Mon Sep 17 00:00:00 2001
From: Markus Ast <m@rkusa.st>
Date: Tue, 13 Aug 2019 20:26:50 +0200
Subject: [PATCH] save Scratchpad content into Scratchpad\0000.txt

---
 README.md                         | 10 ++++---
 Scripts/Hooks/scratchpad-hook.lua | 45 ++++++++++++++++++++++++++++---
 2 files changed, 48 insertions(+), 7 deletions(-)

diff --git a/README.md b/README.md
index 4fb2c2c..987527f 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # DCS Scratchpad
 
-Resizable and movable DCS World ingame Scratchpad for quick persistant notes - especially useful in VR.
+Resizable and movable DCS World in-game Scratchpad for quick persistent notes - especially useful in VR.
 
 ## Installation
 
@@ -9,14 +9,18 @@ Copy the `Scripts` folder into your DCS Saved games folder.
 ## Usage
 
 - Toggle the scratchpad with `CTRL+Shift+X`
-- Use `Esc` to remove the textfield focus, but keep the scratchpad open
+- Use `Esc` to remove the text field focus, but keep the scratchpad open
 
 ## Settings
 
 Some settings can be changed in your DCS saved games folder under `Config/ScratchpadConfig.lua` (if the file does not exist, start DCS once after mod installation):
 
 - `hotkey` change the hotkey used to toggle the scratchpad
-- `fontSize` increase or decrease the font size of the scratchpad's textarea
+- `fontSize` increase or decrease the font size of the Scratchpads textarea
+
+## Scratchpad Content
+
+The Scratchpads content is persisted into `Scratchpad\0000.txt` (in your saved games folder; if the file does not exist, start DCS once after mod installation/upgrade). You can also change the file in your favorite text editor before starting DCS.
 
 ## Kudos
 
diff --git a/Scripts/Hooks/scratchpad-hook.lua b/Scripts/Hooks/scratchpad-hook.lua
index ff8c786..b95091d 100644
--- a/Scripts/Hooks/scratchpad-hook.lua
+++ b/Scripts/Hooks/scratchpad-hook.lua
@@ -29,10 +29,19 @@ function scratchpad_load()
             scratchpad.config = tbl.config
 
             -- config migration
+
+            -- add default fontSize config
             if scratchpad.config.fontSize == nil then
                 scratchpad.config.fontSize = 14
                 scratchpad.saveConfiguration()
             end
+
+            -- move content into text file
+            if scratchpad.config.content ~= nil then
+                scratchpad.saveContent("0000", scratchpad.config.content, false)
+                scratchpad.config.content = nil
+                scratchpad.saveConfiguration()
+            end
         else
             scratchpad.log("Configuration not found, creating defaults...")
             scratchpad.config = { 
@@ -40,12 +49,41 @@ function scratchpad_load()
                 windowPosition = { x = 200, y = 200 },
                 windowSize = { w = 350, h = 150 },
                 fontSize = 14,
-                content = "Start writing here ...",
             }
             scratchpad.saveConfiguration()
         end  
     end
 
+    function scratchpad.getContent(name)
+        local path = lfs.writedir()..[[Scratchpad\]]..name..[[.txt]]
+        file, err = io.open(path, "r")
+        if err then
+            scratchpad.log("Error reading file: "..path)
+            return ""
+        else
+            local content = file:read("*all")
+            file:close()
+            return content
+        end
+    end
+
+    function scratchpad.saveContent(name, content, override)
+        lfs.mkdir(lfs.writedir()..[[Scratchpad\]])
+        local path = lfs.writedir()..[[Scratchpad\]]..name..[[.txt]]
+        local mode = "a"
+        if override then 
+            mode = "w"
+        end
+        file, err = io.open(path, mode)
+        if err then
+            scratchpad.log("Error writing file: "..path)
+        else
+            file:write(content)
+            file:flush()
+            file:close()
+        end
+    end
+
     function scratchpad.saveConfiguration()
         U.saveInFile(scratchpad.config, "config", lfs.writedir() .. "Config/ScratchpadConfig.lua")
     end
@@ -89,10 +127,9 @@ function scratchpad_load()
         skin.skinData.states.released[1].text.fontSize = scratchpad.config.fontSize
         textarea:setSkin(skin)
 
-        textarea:setText(scratchpad.config.content)
+        textarea:setText(scratchpad.getContent("0000"))
         textarea:addChangeCallback(function(self)
-            scratchpad.config.content = self:getText()
-            scratchpad.saveConfiguration()
+            scratchpad.saveContent("0000", self:getText(), true)
         end)
         textarea:addFocusCallback(function(self)
             if self:getFocused() then