From 95a74a55aa277e77e1c8090777e18e6f506ee6ce Mon Sep 17 00:00:00 2001
From: Nicolas Stepien <stepien.nicolas@gmail.com>
Date: Thu, 21 Feb 2013 19:11:08 +0100
Subject: [PATCH] Add import/export settings buttons in the Settings. (v2
 edition) #702

---
 4chan_x.user.js | 73 ++++++++++++++++++++++++++++++++++++++++++++++++-
 changelog       |  2 ++
 script.coffee   | 56 ++++++++++++++++++++++++++++++++++++-
 3 files changed, 129 insertions(+), 2 deletions(-)

diff --git a/4chan_x.user.js b/4chan_x.user.js
index 30b04f018..7ca3b976c 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -2737,7 +2737,14 @@
 <hr>\
 <div id=content>\
   <input type=radio name=tab hidden id=main_tab checked>\
-  <div></div>\
+  <div>\
+    <div class=imp-exp>\
+      <button class=export>Export settings</button>\
+      <button class=import>Import settings</button>\
+      <input type=file style="visibility:hidden">\
+    </div>\
+    <p class=imp-exp-result></p>\
+  </div>\
   <input type=radio name=tab hidden id=sauces_tab>\
   <div>\
     <div class=warning><code>Sauce</code> is disabled.</div>\
@@ -2819,6 +2826,9 @@
   </div>\
 </div>'
       });
+      $.on($('#main_tab + div .export', dialog), 'click', Options["export"]);
+      $.on($('#main_tab + div .import', dialog), 'click', Options["import"]);
+      $.on($('#main_tab + div input', dialog), 'change', Options.onImport);
       _ref = Config.main;
       for (key in _ref) {
         obj = _ref[key];
@@ -2994,6 +3004,67 @@
       Favicon["switch"]();
       Unread.update(true);
       return this.nextElementSibling.innerHTML = "<img src=" + Favicon.unreadSFW + "> <img src=" + Favicon.unreadNSFW + "> <img src=" + Favicon.unreadDead + ">";
+    },
+    "export": function() {
+      var a, data, now, output;
+      now = Date.now();
+      data = {
+        version: Main.version,
+        date: now,
+        Conf: Conf,
+        WatchedThreads: $.get('watched', {})
+      };
+      a = $.el('a', {
+        className: 'warning',
+        textContent: 'Save me!',
+        download: "4chan X v" + Main.version + "-" + now + ".json",
+        href: "data:application/json;base64," + (btoa(unescape(encodeURIComponent(JSON.stringify(data))))),
+        target: '_blank'
+      });
+      if ($.engine !== 'gecko') {
+        a.click();
+        return;
+      }
+      output = this.parentNode.nextElementSibling;
+      output.innerHTML = null;
+      return $.add(output, a);
+    },
+    "import": function() {
+      return this.nextElementSibling.click();
+    },
+    onImport: function() {
+      var file, output, reader;
+      if (!(file = this.files[0])) {
+        return;
+      }
+      output = this.parentNode.nextElementSibling;
+      if (!confirm('Your current settings will be entirely overwritten, are you sure?')) {
+        output.textContent = 'Import aborted.';
+        return;
+      }
+      reader = new FileReader();
+      reader.onload = function(e) {
+        var data;
+        try {
+          data = JSON.parse(decodeURIComponent(escape(e.target.result)));
+          Options.loadSettings(data);
+          if (confirm('Import successful. Refresh now?')) {
+            return window.location.reload();
+          }
+        } catch (err) {
+          return output.textContent = 'Import failed due to an error.';
+        }
+      };
+      return reader.readAsText(file);
+    },
+    loadSettings: function(data) {
+      var key, val, _ref;
+      _ref = data.Conf;
+      for (key in _ref) {
+        val = _ref[key];
+        $.set(key, val);
+      }
+      return $.set('watched', data.WatchedThreads);
     }
   };
 
diff --git a/changelog b/changelog
index 77bfc088d..1dc2b03a9 100644
--- a/changelog
+++ b/changelog
@@ -1,4 +1,6 @@
 master
+- Mayhem
+  Add Import/Export settings.
 
 2.38.1
 - Mayhem
diff --git a/script.coffee b/script.coffee
index 55a3debe7..2fc2f4381 100644
--- a/script.coffee
+++ b/script.coffee
@@ -2185,7 +2185,14 @@ Options =
 <hr>
 <div id=content>
   <input type=radio name=tab hidden id=main_tab checked>
-  <div></div>
+  <div>
+    <div class=imp-exp>
+      <button class=export>Export settings</button>
+      <button class=import>Import settings</button>
+      <input type=file style="visibility:hidden">
+    </div>
+    <p class=imp-exp-result></p>
+  </div>
   <input type=radio name=tab hidden id=sauces_tab>
   <div>
     <div class=warning><code>Sauce</code> is disabled.</div>
@@ -2267,6 +2274,10 @@ Options =
   </div>
 </div>'
 
+    $.on $('#main_tab + div .export', dialog), 'click',  Options.export
+    $.on $('#main_tab + div .import', dialog), 'click',  Options.import
+    $.on $('#main_tab + div input',   dialog), 'change', Options.onImport
+
     #main
     for key, obj of Config.main
       ul = $.el 'ul',
@@ -2423,6 +2434,49 @@ Options =
     Unread.update true
     @nextElementSibling.innerHTML = "<img src=#{Favicon.unreadSFW}> <img src=#{Favicon.unreadNSFW}> <img src=#{Favicon.unreadDead}>"
 
+  export: ->
+    now  = Date.now()
+    data =
+      version: Main.version
+      date: now
+      Conf: Conf
+      WatchedThreads: $.get('watched', {})
+    a = $.el 'a',
+      className: 'warning'
+      textContent: 'Save me!'
+      download: "4chan X v#{Main.version}-#{now}.json"
+      href: "data:application/json;base64,#{btoa unescape encodeURIComponent JSON.stringify data}"
+      target: '_blank'
+    if $.engine isnt 'gecko'
+      a.click()
+      return
+    # XXX Firefox won't let us download automatically.
+    output = @parentNode.nextElementSibling
+    output.innerHTML = null
+    $.add output, a
+  import: ->
+    @nextElementSibling.click()
+  onImport: ->
+    return unless file = @files[0]
+    output = @parentNode.nextElementSibling
+    unless confirm 'Your current settings will be entirely overwritten, are you sure?'
+      output.textContent = 'Import aborted.'
+      return
+    reader = new FileReader()
+    reader.onload = (e) ->
+      try
+        data = JSON.parse decodeURIComponent escape e.target.result
+        Options.loadSettings data
+        if confirm 'Import successful. Refresh now?'
+          window.location.reload()
+      catch err
+        output.textContent = 'Import failed due to an error.'
+    reader.readAsText file
+  loadSettings: (data) ->
+    for key, val of data.Conf
+      $.set key, val
+    $.set 'watched', data.WatchedThreads
+
 Updater =
   init: ->
     html = '<div class=move><span id=count></span> <span id=timer></span></div>'