org.argeo.slc.webapp/src/main/webapp/source/class/org/argeo/slc/web/util/RequestManager.js

   1 qx.Class.define("org.argeo.slc.web.util.RequestManager",
   2 {
   3         type : "singleton",
   4         extend : qx.core.Object,
   5
   6         construct : function(){
   7                 this.base(arguments);
   8         },
   9
  10         members : {
  11
  12                 setStopCommand : function(stopCommand){
  13                         this.command = stopCommand;
  14                 },
  15
  16                 getRequest : function(url, method, responseType){
  17                         var request = new qx.io.remote.Request(url, method, responseType);
  18                         /*
  19                         request.addListener("sending", function(event){
  20                                 this.requestCreated(request);
  21                         }, this);
  22                         request.addListener("aborted", function(event){
  23                                 this.requestAborted(request);
  24                         }, this);
  25                         request.addListener("failed", function(event){
  26                                 this.requestFailed(request);
  27                         }, this);
  28                         request.addListener("timeout", function(event){
  29                                 this.requestTimeout(request);
  30                         }, this);
  31                         request.addListener("completed", function(event){
  32                                 this.requestCompleted(request);
  33                         }, this);
  34                         */
  35                         this.enableCommand(request);
  36                         return request;
  37                 },
  38
  39                 requestCreated : function(req){
  40                         this.enableCommand(req);
  41                 },
  42
  43                 requestAborted : function(req){
  44                         this.disableCommand();
  45                 },
  46
  47                 requestFailed : function(req){
  48                         this.disableCommand();
  49                 },
  50
  51                 requestTimeout : function(req){
  52                         this.disableCommand();
  53                 },
  54
  55                 requestCompleted : function(req){
  56                         this.disableCommand();
  57                 },
  58
  59                 disableCommand : function(){
  60                         this.command.setEnabled(false);
  61                         var manager = qx.event.Registration.getManager(this.command);
  62                         manager.removeAllListeners(this.command);
  63                 },
  64
  65                 enableCommand : function(request){
  66                         this.command.setEnabled(true);
  67                         qx.ui.core.queue.Manager.flush();
  68                         this.command.addListener("execute", function(){
  69                                 request.abort();
  70                         });
  71                 }
  72         }
  73 });