extjs/build/examples/kitchensink/modern/src/model/Person.js

   1 Ext.define('KitchenSink.model.Person', {
   2     extend: 'KitchenSink.model.Base',
   3     fields: ['firstName', 'lastName', 'age', 'favoriteColor'],
   4     statics: {
   5         generateData: (function() {
   6             var lasts = ['Jones', 'Smith', 'Lee', 'Wilson', 'Black', 'Williams', 'Lewis', 'Johnson', 'Foot', 'Little', 'Vee', 'Train', 'Hot', 'Mutt'],
   7                 firsts = ['Fred', 'Julie', 'Bill', 'Ted', 'Jack', 'John', 'Mark', 'Mike', 'Chris', 'Bob', 'Travis', 'Kelly', 'Sara'],
   8                 colors = ['Red', 'Green', 'Blue'],
   9                 currentYear = (new Date()).getFullYear();
  10
  11             function getRandom(array) {
  12                 var index = Ext.Number.randomInt(0, array.length - 1);
  13                 return array[index];
  14             }
  15
  16             function getName(seen) {
  17                 var name = {
  18                     first: getRandom(firsts),
  19                     last: getRandom(lasts)
  20                 };
  21
  22                 if (seen[name.first + name.last]) {
  23                     return getName(seen);
  24                 } else {
  25                     return name;
  26                 }
  27             }
  28
  29             function getDate() {
  30                 var y = Ext.Number.randomInt(currentYear - 5, currentYear),
  31                     m = Ext.Number.randomInt(0, 11),
  32                     maxDays = Ext.Date.getDaysInMonth(new Date(y, m, 1));
  33                     d = Ext.Number.randomInt(1, maxDays);
  34
  35                 return new Date(y, m, d);
  36             }
  37
  38             function getKey() {
  39                 var chars = '',
  40                     i;
  41
  42                 for (i = 0; i < 5; ++i) {
  43                     chars += String.fromCharCode(Ext.Number.randomInt(97, 122));
  44                 }
  45
  46                 return chars;
  47             }
  48
  49             return function(options) {
  50                 options = options || {};
  51                 var out = [],
  52
  53                     adults = options.adults,
  54                     children = options.children,
  55                     total = options.total,
  56                     includeAccounts = options.includeAccounts,
  57                     seenNames = {},
  58                     adultsUndef = adults === undefined,
  59                     childrenUndef = children === undefined,
  60                     accountIdCounter = 0,
  61                     name, o, accounts, j, len;
  62
  63                 if (!adultsUndef && !childrenUndef) {
  64                     total = adults + children;
  65                 } else {
  66                     // We rely on total now
  67                     total = total || 15;
  68                     if (adultsUndef && childrenUndef) {
  69                         adults = Ext.Number.randomInt(Math.floor(total * 0.25), Math.floor(total * 0.75));
  70                         children = total - adults;
  71                     } else if (adultsUndef) {
  72                         adults = total - children;
  73                     } else {
  74                         children = total - adults;
  75                     }
  76                 }
  77
  78                 for (i = 0; i < total; ++i) {
  79                     name = getName(seenNames);
  80                     o = {
  81                         id: i + 1,
  82                         firstName: name.first,
  83                         lastName: name.last,
  84                         age: i >= adults ? Ext.Number.randomInt(0, 17) : Ext.Number.randomInt(18, 100),
  85                         favoriteColor: getRandom(colors)
  86                     };
  87
  88                     if (includeAccounts) {
  89                         accounts = [];
  90                         len = Ext.Number.randomInt(1, 5);
  91                         for (j = 0; j < len; ++j) {
  92                             accounts.push({
  93                                 id: ++accountIdCounter,
  94                                 created: getDate(),
  95                                 accountKey: getKey(),
  96                                 personId: o.id
  97                             });
  98                         }
  99                         o.accounts = accounts;
 100                     }
 101
 102                     out.push(o);
 103                 }
 104
 105                 return out;
 106             };
 107             })()
 108     }
 109 });