Add upload selection javascript for decluttering the post form

js/upload-selection.js

@@ -0,0 +1,55 @@
+$(function(){
+  var enabled_file = true;
+  var enabled_url = $("#upload_url").length > 0;
+  var enabled_embed = $("#upload_embed").length > 0;
+  var enabled_oekaki = $("#oekaki").length > 0;
+
+  var disable_all = function() {
+    $("#upload").hide();
+    $("#upload_file").hide();
+    $("#upload_url").hide();
+    $("#upload_embed").hide();
+    $("#oekaki").hide();
+  };
+
+  enable_file = function() {
+    disable_all();
+    $("#upload").show();
+    $("#upload_file").show();
+  };
+
+  enable_url = function() {
+    disable_all();
+    $("#upload").show();
+    $("#upload_url").show();
+
+    $('label[for="file_url"]').html(_("URL"));
+  };
+
+  enable_embed = function() {
+    disable_all();
+    $("#upload_embed").show();
+  };
+
+  enable_oekaki = function() {
+    disable_all();
+    $("#oekaki").show();
+  };
+
+  if (enabled_url || enabled_embed || enabled_oekaki) {
+    $("<tr><th>"+_("Select")+"</th><td id='upload_selection'></td></tr>").insertBefore("#upload");
+    var my_html = "<a href='javascript:void(0)' onclick='enable_file(); return false;'>"+_("File")+"</a>";
+    if (enabled_url) {
+      my_html += " / <a href='javascript:void(0)' onclick='enable_url(); return false;'>"+_("Remote")+"</a>";
+    }
+    if (enabled_embed) {
+      my_html += " / <a href='javascript:void(0)' onclick='enable_embed(); return false;'>"+_("Embed")+"</a>";
+    }
+    if (enabled_oekaki) {
+      my_html += " / <a href='javascript:void(0)' onclick='enable_oekaki(); return false;'>"+_("Oekaki")+"</a>";
+    }
+    $("#upload_selection").html(my_html);
+
+    enable_file();
+  }
+});