project/static/js/messages.js

   1 /*global Editor*/
   2 Editor.MessageCenter = Editor.Object.extend({
   3     init: function() {
   4         this.messages = [];
   5         this.flashMessages = [];
   6         this.firstFlashMessage = null;
   7         this.timeout = null;
   8         console.log("MSC-init:", Date(), this);
   9     },
  10
  11     addMessage: function(type, tag, text, flash)
  12     {
  13         if (!tag) tag = '#default'
  14
  15         if (!flash) {
  16             flash = text;
  17         }
  18
  19         this.messages.push({
  20             type: type,
  21             text: text
  22         });
  23
  24         this.flashMessages.push({
  25             type: type,
  26             text: flash,
  27             tag: tag
  28         });
  29
  30         if(this.timeout) {
  31             if(this.flashMessages[0] && (this.flashMessages[0].tag == tag))
  32             {
  33                 clearTimeout(this.timeout);
  34                 this.timeout = null;
  35                 this.changeFlashMessage();
  36             }
  37         }
  38
  39         else {
  40             /* queue was empty at the start */
  41             if (this.flashMessages.length == 1) {
  42                 console.log("MSC-added-fisrt", Date(), this);
  43                 this.set('firstFlashMessage', this.flashMessages[0]);
  44                 this.timeout = setTimeout(this.changeFlashMessage.bind(this), 3000);
  45             }
  46
  47         }
  48
  49     },
  50
  51     changeFlashMessage: function()
  52     {
  53         console.log("MSC-change", Date(), this);
  54         var previous = this.flashMessages.splice(0, 1);
  55
  56         if (this.flashMessages.length > 0)
  57         {
  58             console.log("MSC-chaning-first", Date(), this);
  59             this.set('firstFlashMessage', this.flashMessages[0]);
  60             this.timeout = setTimeout(this.changeFlashMessage.bind(this), 3000);
  61         } else {
  62             console.log("MSC-emptying", Date(), this);
  63             this.set('firstFlashMessage', null);
  64         }
  65     }
  66
  67 });
  68
  69
  70 var messageCenter = new Editor.MessageCenter();
  71