js/communication.js

   1 // coding: utf-8
   2 // Copyright 2008 Grégory Burri
   3 //
   4 // This file is part of Euphorik.
   5 //
   6 // Euphorik is free software: you can redistribute it and/or modify
   7 // it under the terms of the GNU General Public License as published by
   8 // the Free Software Foundation, either version 3 of the License, or
   9 // (at your option) any later version.
  10 //
  11 // Euphorik is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License
  17 // along with Euphorik.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 // Regroupe la partie communication JSON client -> serveur de euphorik.
  20 // Voir : http://dev.euphorik.ch/wiki/euk/Protocole
  21
  22 /**
  23   * @param funError un fonction executé lors d'un réponse 'error' de la part du serveur, peut être redéfinit pour une requête.
  24   */
  25 euphorik.Communication = function(funError) {
  26    this.funError = funError;
  27 };
  28
  29 euphorik.Communication.prototype.requete = function(action, json, funOk, funError, asynchrone, paramsSupp) {
  30    var thisCommunication = this;
  31    if (asynchrone === undefined) {
  32       asynchrone = true; // asynchrone par défaut
  33    }
  34
  35    var mess = this.getBase(action);
  36    objectEach(json, function(nom, val) {
  37       mess[nom] = val;
  38    });
  39
  40    paramsAjax = {
  41       async: asynchrone,
  42       type: "POST",
  43       url: "request",
  44       dataType: "json",
  45       data: { action : JSON.stringify(mess) },
  46       success:
  47          function(data) {
  48             if (data.reply === "error") {
  49                if (funError) {
  50                   funError(data);
  51                } else if (thisCommunication.funError) {
  52                   thisCommunication.funError(data);
  53                }
  54             } else if (funOk) {
  55                funOk(data);
  56             }
  57          }
  58    };
  59
  60    if (paramsSupp) {
  61       objectEach(paramsSupp, function(nom, val) {
  62          paramsAjax[nom] = val;
  63       });
  64    }
  65
  66    jQuery.ajax(paramsAjax);
  67 };
  68
  69 euphorik.Communication.prototype.getBase = function(action) {
  70    return {
  71       "header" : { "action" : action, "version" : euphorik.conf.versionProtocole }
  72    };
  73 };