admin(major): add YAMLField for attributes, add codemirror editor

passbook/admin/static/codemirror/addon/hint/anyword-hint.js

@@ -0,0 +1,41 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+  "use strict";
+
+  var WORD = /[\w$]+/, RANGE = 500;
+
+  CodeMirror.registerHelper("hint", "anyword", function(editor, options) {
+    var word = options && options.word || WORD;
+    var range = options && options.range || RANGE;
+    var cur = editor.getCursor(), curLine = editor.getLine(cur.line);
+    var end = cur.ch, start = end;
+    while (start && word.test(curLine.charAt(start - 1))) --start;
+    var curWord = start != end && curLine.slice(start, end);
+
+    var list = options && options.list || [], seen = {};
+    var re = new RegExp(word.source, "g");
+    for (var dir = -1; dir <= 1; dir += 2) {
+      var line = cur.line, endLine = Math.min(Math.max(line + dir * range, editor.firstLine()), editor.lastLine()) + dir;
+      for (; line != endLine; line += dir) {
+        var text = editor.getLine(line), m;
+        while (m = re.exec(text)) {
+          if (line == cur.line && m[0] === curWord) continue;
+          if ((!curWord || m[0].lastIndexOf(curWord, 0) == 0) && !Object.prototype.hasOwnProperty.call(seen, m[0])) {
+            seen[m[0]] = true;
+            list.push(m[0]);
+          }
+        }
+      }
+    }
+    return {list: list, from: CodeMirror.Pos(cur.line, start), to: CodeMirror.Pos(cur.line, end)};
+  });
+});