Open-ILS/xul/staff_client/chrome/content/util/controller.js

   1 dump('entering util/controller.js\n');
   2
   3 if (typeof util == 'undefined') util = {};
   4 util.controller = function () {
   5
   6     JSAN.use('util.error'); this.error = new util.error();
   7
   8     return this;
   9 };
  10
  11 util.controller.prototype = {
  12
  13     'cmds' : {},
  14
  15     'init' : function (params) {
  16
  17         if (typeof params.control_map == 'undefined') throw('util.controller.init: No control_map');
  18
  19         this.event_listeners = new EventListenerList();
  20         this.control_map = params.control_map;
  21         this.window_knows_me_by = params.window_knows_me_by;
  22         this.render_list = [];
  23         this.view = {};
  24
  25         for (var i in this.control_map) {
  26             var cmd = document.getElementById(i);
  27             if (cmd) {
  28                 for (var j in this.control_map[i][0]) {
  29                     if (this.control_map[i][1]) {
  30                         var ev_type = this.control_map[i][0][j];
  31                         switch(ev_type) {
  32                             case 'render':
  33                                 this.render_list.push( [i, this.control_map[i][1](cmd)] );
  34                             break;
  35                             case 'oncommand':
  36                                 if (!this.window_knows_me_by)
  37                                     throw('util.controller: on_command requires window_knows_me_by');
  38                                 var s = 'try{'+this.window_knows_me_by+".cmds."+i+"(event);}catch(E){alert(E);}";
  39                                 cmd.setAttribute(ev_type, s);
  40                                 this.cmds[i] = this.control_map[i][1];
  41                             break;
  42                             default: this.event_listeners.add(cmd, ev_type,this.control_map[i][1],false);
  43                         }
  44                     }
  45                 }
  46             }
  47             this.view[i] = cmd;
  48         }
  49     },
  50
  51     'cleanup' : function() {
  52         var obj = this;
  53         obj.event_listeners.removeAll();
  54     },
  55
  56     'render' : function(id,param) {
  57         for (var i in this.render_list) {
  58             try {
  59                 if (id) {
  60                     if (id == this.render_list[i][0]) this.render_list[i][1](param);
  61                 } else {
  62                     this.render_list[i][1](param);
  63                 }
  64             } catch(E) {
  65                 var error = 'Problem in util.controller.render with\n'
  66                     + this.render_list[i] + '\n\n' + js2JSON(E);
  67                 this.error.sdump('D_WARN',error);
  68             }
  69         }
  70     }
  71 }
  72 dump('exiting util/controller.js\n');