Open-ILS/xul/staff_client/server/addon/pv_supa_goodstuff.js

   1 dump('entering addon/pv_supa.js\n');
   2 // vim:noet:sw=4:ts=4:
   3
   4 /*
   5     Usage example:
   6
   7     JSAN.use('addon.pv_supa_goodstuff');
   8     var goodstuff = new addon.pv_supa_goodstuff();
   9     goodstuff.onData(
  10         function(data) {
  11             alert('Received: ' + data);
  12         },
  13         'ACTIVATE'
  14     );
  15     goodstuff.request_items();
  16 */
  17
  18 if (typeof addon == 'undefined') addon = {};
  19 addon.pv_supa_goodstuff = function (params) {
  20     var obj = this;
  21     try {
  22         dump('addon: pv_supa_goodstuff() constructor\n');
  23
  24         const Cc = Components.classes;
  25         const Ci = Components.interfaces;
  26         const prefs_Cc = '@mozilla.org/preferences-service;1';
  27         this.prefs = Cc[prefs_Cc].getService(Ci['nsIPrefBranch']);
  28
  29         JSAN.use('OpenILS.data');
  30         this.data = new OpenILS.data();
  31         this.data.stash_retrieve();
  32
  33         JSAN.use('util.error');
  34         this.error = new util.error();
  35
  36         this.active = false;
  37         if (this.prefs.prefHasUserValue('oils.addon.pvsupa.goodstuff.enabled')){
  38             this.active = this.prefs.getBoolPref(
  39                 'oils.addon.pvsupa.goodstuff.enabled'
  40             );
  41         }
  42         if (this.active) {
  43             dump('addon: pv_supa goodstuff enabled by preference\n');
  44         } else {
  45             dump('addon: pv_supa goodstuff not enabled by preference\n');
  46         }
  47
  48         if (g) {
  49             if (g.checkin && this.active) {
  50                 this.common_ui_init();
  51                 this.socket_init();
  52                 setTimeout(
  53                     function() {
  54                         obj.checkin_init();
  55                     }, 1000
  56                 );
  57             }
  58             if (g.checkout && this.active) {
  59                 this.common_ui_init();
  60                 this.socket_init();
  61                 setTimeout(
  62                     function() {
  63                         obj.checkout_init();
  64                     }, 1000
  65                 );
  66             }
  67             if (String(location.href).match('/patron/barcode_entry.xul') && this.active) {
  68                 this.common_ui_init();
  69                 this.socket_init();
  70                 setTimeout(
  71                     function() {
  72                         obj.patron_for_checkout_init();
  73                     }, 1000
  74                 );
  75             }
  76             if (g.addons_ui) {
  77                 this.common_ui_init();
  78                 this.prefs_init();
  79             }
  80         }
  81         return this;
  82
  83     } catch(E) {
  84         dump('addon: Error in pv_supa_goodstuff(): ' + E + '\n');
  85     }
  86 }
  87
  88 addon.pv_supa_goodstuff.prototype = {
  89     'common_ui_init' : function() {
  90         dump('addon: pv_supa common_ui_init\n');
  91         var obj = this;
  92         try {
  93             var mc = document.createElement('messagecatalog');
  94             mc.setAttribute('id','addon_pvsupa_goodstuff_strings');
  95             mc.setAttribute(
  96                 'src',
  97                 '/xul/server/locale/'+LOCALE+'/addon/pv_supa_goodstuff.properties'
  98             );
  99             var mc_parent = $('offlineStrings')
 100                 ? $('offlineStrings').parentNode
 101                 : document.getElementsByTagName('window').item(0)
 102                 || document.getElementsByTagName('html').item(0);
 103             mc_parent.appendChild(mc);
 104
 105             // We don't really need CSS here, but as an example:
 106             var sss = Cc['@mozilla.org/content/style-sheet-service;1']
 107                 .getService(Ci.nsIStyleSheetService);
 108             var ios = Cc['@mozilla.org/network/io-service;1']
 109                 .getService(Ci.nsIIOService);
 110             var uri = ios.newURI(
 111                 'oils://remote/xul/server/skin/addon/pv_supa_goodstuff.css',
 112                 null,
 113                 null
 114             );
 115             if(!sss.sheetRegistered(uri, sss.USER_SHEET)) {
 116                 sss.loadAndRegisterSheet(uri, sss.USER_SHEET);
 117             }
 118         } catch(E) {
 119             dump('addon: pv_supa Error in common_ui_init(): ' + E + '\n');
 120         }
 121     },
 122
 123     'socket_init' : function() {
 124         dump('addon: pv_supa socket_init on page ' + location.href + '\n');
 125         var obj = this;
 126         try {
 127             if (! this.data.addon) {
 128                 this.data.addon = {};
 129             }
 130             if (! this.data.addon.pv_supa) {
 131                 this.data.addon.pv_supa = {};
 132             }
 133             if (! this.data.addon.pv_supa.goodstuff) {
 134                 this.data.addon.pv_supa.goodstuff = {};
 135             }
 136             if (! this.data.addon.pv_supa.goodstuff.message_log) {
 137                 this.data.addon.pv_supa.goodstuff.message_log = [];
 138             }
 139             if (this.data.addon.pv_supa.goodstuff.socket) {
 140                     // don't know if we want to keep and re-use sockets
 141                     // Previously I was test .socket.isAlive() and only
 142                     // recreating if false
 143                     dump('addon: pv_supa goodstuff destroying old socket\n');
 144                     this.data.addon.pv_supa.goodstuff.socket.close();
 145                     this.data.addon.pv_supa.goodstuff.socket = null;
 146             }
 147             if (! this.data.addon.pv_supa.goodstuff.socket) {
 148                 JSAN.use('util.socket');
 149                 this.data.addon.pv_supa.goodstuff.socket = new util.socket(
 150
 151                     this.prefs.prefHasUserValue('oils.addon.pvsupa.goodstuff.host')
 152                     ? this.prefs.getCharPref('oils.addon.pvsupa.goodstuff.host')
 153                     : '127.0.0.1',
 154
 155                     this.prefs.prefHasUserValue('oils.addon.pvsupa.goodstuff.port')
 156                     ? this.prefs.getIntPref('oils.addon.pvsupa.goodstuff.port')
 157                     : 5000 /* FIXME find out actual default port */
 158                 );
 159                 this.data.addon.pv_supa.goodstuff.socket.onStopRequest(
 160                     function(request,context,result) {
 161                         dump('addon: pv_supa goodstuff lost connection on page ' + location.href + '\n');
 162                         obj.updateStatusBar('!lost connection\n');
 163                         obj.data.addon.pv_supa.goodstuff.last_start_end_msg = null;
 164                     }
 165                 );
 166                 dump('addon: pv_supa goodstuff socket opened\n');
 167                 this.updateStatusBar('!new connection\n');
 168                 obj.data.addon.pv_supa.goodstuff.last_start_end_msg = null;
 169             } else {
 170                 dump('addon: pv_supa goodstuff socket already opened\n');
 171             }
 172             this.socket = this.data.addon.pv_supa.goodstuff.socket;
 173             this.token = location.href + ' : ' + new Date();
 174             this.data.addon.pv_supa.goodstuff.token = this.token;
 175             var obj = this;
 176             setTimeout(
 177                 function() {
 178                     dump(
 179                         'addon: pv_supa goodstuff socket\n\t' +
 180                         'host: ' + obj.socket.host + '\n\t' +
 181                         'port: ' + obj.socket.port + '\n\t' +
 182                         'token: '+ obj.token
 183                          + '\n'
 184                     );
 185                 },
 186                 0
 187             );
 188         } catch(E) {
 189             dump('addon: pv_supa Error in socket_init(): ' + E + '\n');
 190         }
 191     },
 192     'updateStatusBar' : function(d) {
 193         try {
 194             var obj = this;
 195             if (xulG && xulG.set_statusbar) {
 196                 if (obj.data.addon.pv_supa.goodstuff.message_log.length > 16) {
 197                     obj.data.addon.pv_supa.goodstuff.message_log.shift();
 198                 }
 199                 obj.data.addon.pv_supa.goodstuff.message_log.push(d);
 200                 xulG.set_statusbar(
 201                     5,
 202                     'GoodStuff: ' + d,
 203                     obj.data.addon.pv_supa.goodstuff.message_log.join(""),
 204                     function(ev) {
 205                         alert(
 206                             obj.data.addon.pv_supa.goodstuff.message_log.join("")
 207                         );
 208                     }
 209                 );
 210             }
 211         } catch(E) {
 212             dump('addon: pv_supa Error in updateStatusBar('+d+'): ' + E + '\n');
 213         }
 214     },
 215     'onData' : function(f,security) {
 216         dump('addon: setting pv_supa goodstuff onData callback, on page '
 217             + location.href + ' with token ' + this.token + '\n');
 218         var obj = this;
 219         this.socket.dataCallback(
 220             function(d) {
 221                 try {
 222                     dump('addon: dataCallback func at page '
 223                         + location.href + ' with token ' + obj.token + '\n');
 224                     obj.updateStatusBar('>' + d);
 225                     if (obj.token != obj.data.addon.pv_supa.goodstuff.token) {
 226                         var e = 'addon error: pv supa: reading data out of turn\n';
 227                         dump(e);
 228                         obj.updateStatusBar('!' + e);
 229                     }
 230                     d= d.replace("\n","","g").replace("\r","","g").replace(" ","","g");
 231                     var p = d.split("|");
 232                     if (p.length == 1) {
 233                         if (f) {
 234                             f(p[0]); // hopefully a patron barcode
 235                         }
 236                     } else if (p[0] == 'START') {
 237                         obj.data.addon.pv_supa.goodstuff.last_start_end_msg = p[0];
 238                     } else if (p[0] == 'END') {
 239                         obj.data.addon.pv_supa.goodstuff.last_start_end_msg = p[0];
 240                     } else if (p[1] == 'NOK') {
 241                         if (security) {
 242                             var msg = $('addon_pvsupa_goodstuff_strings').getFormattedString(
 243                                 security == 'ACTIVATE'
 244                                 ? 'rfid.set_security_failure.prompt.message.activate_failure'
 245                                 : 'rfid.set_security_failure.prompt.message.deactivate_failure',
 246                                 [ p[0] ]
 247                             );
 248                             var choice = obj.error.yns_alert(
 249                                 msg,
 250                                 $('addon_pvsupa_goodstuff_strings').getString(
 251                                     'rfid.set_security_failure.prompt.title'
 252                                 ),
 253                                 $('addon_pvsupa_goodstuff_strings').getString(
 254                                     'rfid.set_security_failure.prompt.button.activate_security'
 255                                 ),
 256                                 $('addon_pvsupa_goodstuff_strings').getString(
 257                                     'rfid.set_security_failure.prompt.button.deactivate_security'
 258                                 ),
 259                                 $('addon_pvsupa_goodstuff_strings').getString(
 260                                     'rfid.set_security_failure.prompt.button.do_nothing_with_security'
 261                                 ),
 262                                 ''
 263                             );
 264                             if (choice == 0) {
 265                                 obj.write(p[0]+'|ACTIVATE\n');
 266                             } else if (choice == 1) {
 267                                 obj.write(p[0]+'|DEACTIVATE\n');
 268                             } else {
 269                                 obj.write(p[0]+'\n');
 270                             }
 271                         } else {
 272                             dump('addon: unknown error\n');
 273                         }
 274                     } else if (p[1] == 'OK') {
 275                         // ignore
 276                     } else if (p[1].match('/')) {
 277                         var counts = p[1].split('/');
 278                         var read = counts[0];
 279                         var set = counts[1];
 280                         if (read != set) {
 281                             var msg = $('addon_pvsupa_goodstuff_strings').getFormattedString(
 282                                 'rfid.partial_scan.prompt.message',
 283                                 [ read, set, p[0] ]
 284                             );
 285                             var choice = obj.error.yns_alert(
 286                                 msg,
 287                                 $('addon_pvsupa_goodstuff_strings').getString(
 288                                     'rfid.partial_scan.prompt.title'
 289                                 ),
 290                                 $('addon_pvsupa_goodstuff_strings').getString(
 291                                     'rfid.partial_scan.prompt.button.rescan'
 292                                 ),
 293                                 $('addon_pvsupa_goodstuff_strings').getString(
 294                                     'rfid.partial_scan.prompt.button.skip'
 295                                 ),
 296                                 $('addon_pvsupa_goodstuff_strings').getString(
 297                                     'rfid.partial_scan.prompt.button.proceed'
 298                                 ),
 299                                 ''
 300                             );
 301                             if (!choice || choice == 0) {
 302                                 obj.write(p[0]+'|REREAD\n');
 303                             } else if (choice == 1) {
 304                                 obj.write(p[0]+'\n'); // do nothing, skip
 305                             } else if (choice == 2) {
 306                                 if (f) {
 307                                     f(p[0]); // hopefully an item barcode
 308                                 }
 309                             }
 310                         } else {
 311                             if (f) {
 312                                 f(p[0]); // hopefully an item barcode
 313                             }
 314                         }
 315                     } else {
 316                         if (f) {
 317                             f(p[0]); // no idea; shouldn't get here
 318                         }
 319                     }
 320                 } catch(E) {
 321                     dump('addon: error in onData callback: ' + E + '\n');
 322                 }
 323             }
 324         );
 325     },
 326     'write' : function(s,ignore_token) {
 327         dump('addon: write "' + s + '", on page ' + location.href + ' with token ' + this.token + '\n');
 328         if ((this.token != this.data.addon.pv_supa.goodstuff.token) && !ignore_token) {
 329             var e = 'addon error: pv supa: sending data out of turn\n';
 330             dump(e);
 331             this.updateStatusBar('!' + e);
 332         }
 333         if (!this.socket.socket.isAlive()) {
 334             dump('addon error: pv supa: writing to not alive socket\n');
 335         }
 336         this.updateStatusBar('<' + s);
 337         this.socket.write(s);
 338     },
 339     'request_items' : function() {
 340         dump('addon: request_items on page ' + location.href + '\n');
 341         if (this.data.addon.pv_supa.goodstuff.last_start_end_msg == 'START') {
 342             this.write('END\n');
 343         }
 344         this.write('START|ITEM\n'); // we expect START|OK
 345     },
 346     'request_patrons' : function() {
 347         dump('addon: request_patrons on page ' + location.href + '\n');
 348         if (this.data.addon.pv_supa.goodstuff.last_start_end_msg == 'START') {
 349             this.write('END\n');
 350         }
 351         this.write('START|PATRON\n'); // we expect START|OK
 352     },
 353     'end_session' : function() {
 354         dump('addon: end_session on page ' + location.href + '\n');
 355         if (this.token == this.data.addon.pv_supa.goodstuff.token) {
 356             if (this.data.addon.pv_supa.goodstuff.last_start_end_msg == 'START') {
 357                 this.write('END\n');
 358             }
 359             this.data.addon.pv_supa.goodstuff.socket.close();
 360             this.data.addon.pv_supa.goodstuff.socket = null;
 361         }
 362     },
 363
 364     'prefs_init' : function() {
 365         dump('addon: pv_supa prefs_init\n');
 366         var obj = this;
 367
 368         try {
 369             if (! (g && g.addons_ui)) { return; }
 370
 371             const Cc = Components.classes;
 372             const Ci = Components.interfaces;
 373
 374             function post_overlay() {
 375                 var tab = $('pv_supa_goodstuff_tab');
 376                 tab.setAttribute(
 377                     'label',
 378                     $('addon_pvsupa_goodstuff_strings').getString('prefs.tab.label')
 379                 );
 380                 tab.setAttribute(
 381                     'accesskey',
 382                     $('addon_pvsupa_goodstuff_strings').getString('prefs.tab.accesskey')
 383                 );
 384
 385                 var enabled_label = $('pv_supa_goodstuff_enabled_label');
 386                 enabled_label.setAttribute(
 387                     'value',
 388                     $('addon_pvsupa_goodstuff_strings').getString('prefs.checkbox.label')
 389                 );
 390                 enabled_label.setAttribute(
 391                     'accesskey',
 392                     $('addon_pvsupa_goodstuff_strings').getString('prefs.checkbox.accesskey')
 393                 );
 394
 395                 var host_label = $('pv_supa_goodstuff_hostname_label');
 396                 host_label.setAttribute(
 397                     'value',
 398                     $('addon_pvsupa_goodstuff_strings').getString('prefs.host.label')
 399                 );
 400                 host_label.setAttribute(
 401                     'accesskey',
 402                     $('addon_pvsupa_goodstuff_strings').getString('prefs.host.accesskey')
 403                 );
 404
 405                 var port_label = $('pv_supa_goodstuff_port_label');
 406                 port_label.setAttribute(
 407                     'value',
 408                     $('addon_pvsupa_goodstuff_strings').getString('prefs.port.label')
 409                 );
 410                 port_label.setAttribute(
 411                     'accesskey',
 412                     $('addon_pvsupa_goodstuff_strings').getString('prefs.port.accesskey')
 413                 );
 414
 415                 var save_btn = $('pv_supa_goodstuff_save_btn');
 416                 save_btn.setAttribute(
 417                     'label',
 418                     $('addon_pvsupa_goodstuff_strings').getString('prefs.update.label')
 419                 );
 420                 save_btn.setAttribute(
 421                     'accesskey',
 422                     $('addon_pvsupa_goodstuff_strings').getString('prefs.update.accesskey')
 423                 );
 424                 save_btn.addEventListener(
 425                     'command',
 426                     function() {
 427                         obj.save_prefs();
 428                     },
 429                     false
 430                 );
 431                 obj.display_prefs();
 432             }
 433
 434             function myObserver() { this.register(); }
 435             myObserver.prototype = {
 436                 register: function() {
 437                     var observerService = Cc["@mozilla.org/observer-service;1"].getService(Ci.nsIObserverService);
 438                     observerService.addObserver(this, "xul-overlay-merged", false);
 439                 },
 440                 unregister: function() {
 441                     var observerService = Cc["@mozilla.org/observer-service;1"].getService(Ci.nsIObserverService);
 442                     observerService.removeObserver(this, "xul-overlay-merged");
 443                 },
 444                 observe: function(subject,topic,data) {
 445                     dump('observe: <'+subject+','+topic+','+data+'>\n');
 446                     // setTimeout is needed here for xulrunner 1.8
 447                     setTimeout( function() { try { post_overlay(); } catch(E) { alert(E); } }, 0 );
 448                 }
 449             }
 450
 451             var observer = new myObserver();
 452             var url = '/xul/server/addon/pv_supa_goodstuff_config_overlay.xul';
 453             document.loadOverlay(location.protocol + '//' + location.hostname + url,observer)
 454
 455         } catch(E) {
 456             dump('addon: pv_supa Error in prefs_init(): ' + E + '\n');
 457         }
 458     },
 459
 460     'display_prefs' : function() {
 461         var obj = this;
 462         try {
 463             $('pv_supa_goodstuff_enabled_cb').checked = obj.active;
 464             $('pv_supa_goodstuff_hostname_tb').value =
 465                 obj.prefs.prefHasUserValue('oils.addon.pvsupa.goodstuff.host')
 466                 ? obj.prefs.getCharPref('oils.addon.pvsupa.goodstuff.host')
 467                 : '127.0.0.1';
 468
 469             $('pv_supa_goodstuff_port_tb').value =
 470                 obj.prefs.prefHasUserValue('oils.addon.pvsupa.goodstuff.port')
 471                 ? obj.prefs.getIntPref('oils.addon.pvsupa.goodstuff.port')
 472                 : 5000; /* FIXME find out actual default port */
 473
 474         } catch(E) {
 475             dump('addon: pv_supa Error in display_prefs(): ' + E + '\n');
 476         }
 477     },
 478
 479     'save_prefs' : function() {
 480         var obj = this;
 481         try {
 482             obj.prefs.setBoolPref(
 483                 'oils.addon.pvsupa.goodstuff.enabled',
 484                 $('pv_supa_goodstuff_enabled_cb').checked
 485             );
 486             obj.prefs.setCharPref(
 487                 'oils.addon.pvsupa.goodstuff.host',
 488                 $('pv_supa_goodstuff_hostname_tb').value
 489             );
 490             obj.prefs.setIntPref(
 491                 'oils.addon.pvsupa.goodstuff.port',
 492                 $('pv_supa_goodstuff_port_tb').value
 493             );
 494             location.href = location.href;
 495         } catch(E) {
 496             dump('addon: pv_supa Error in save_prefs(): ' + E + '\n');
 497         }
 498     },
 499
 500     'checkin_init' : function() {
 501         dump('addon: pv_supa checkin_init\n');
 502         var obj = this;
 503
 504         try {
 505
 506             if (! (g && g.checkin)) { return; }
 507
 508             function setOnData() {
 509                 obj.onData(
 510                     function(barcode) {
 511                         g.checkin.controller.view.checkin_barcode_entry_textbox.value = barcode;
 512                         g.checkin.checkin();
 513                         // unlike checkout, I don't really care whether the checkin
 514                         // succeeds or not; I think we should activate security on
 515                         // the item and move on.  Errored items are still listed in
 516                         // the interface and can be handled separately.
 517                         obj.write(barcode+'|ACTIVATE\n');
 518                     },
 519                     'ACTIVATE'
 520                 );
 521             }
 522             setOnData();
 523
 524             var spacer = $('pcii3s');
 525             var rfid_cb = document.createElement('checkbox');
 526             rfid_cb.setAttribute('id','addon_rfid_cb');
 527             rfid_cb.setAttribute(
 528                 'label',
 529                 $('addon_pvsupa_goodstuff_strings').getString(
 530                     'rfid.checkbox.label'
 531                 )
 532             );
 533             rfid_cb.setAttribute(
 534                 'accesskey',
 535                 $('addon_pvsupa_goodstuff_strings').getString(
 536                     'rfid.checkbox.accesskey'
 537                 )
 538             );
 539             spacer.parentNode.insertBefore(rfid_cb,spacer);
 540             if (obj.prefs.prefHasUserValue(
 541                     'oils.addon.pvsupa.goodstuff.checkin.rfid_checkbox.checked'
 542             )){
 543                 rfid_cb.checked = obj.prefs.getBoolPref(
 544                     'oils.addon.pvsupa.goodstuff.checkin.rfid_checkbox.checked'
 545                 );
 546             }
 547
 548             if (rfid_cb.checked) {
 549                 obj.request_items();
 550             }
 551
 552             rfid_cb.addEventListener(
 553                 'command',
 554                 function(ev) {
 555                     if (ev.target.checked) {
 556                         obj.socket_init();
 557                         setTimeout(
 558                             function() {
 559                                 setOnData();
 560                                 obj.request_items();
 561                             }, 1000
 562                         );
 563                     } else {
 564                         obj.end_session();
 565                     }
 566                     obj.prefs.setBoolPref(
 567                         'oils.addon.pvsupa.goodstuff.checkin.rfid_checkbox.checked',
 568                         ev.target.checked
 569                     );
 570                 }
 571             );
 572
 573             window.addEventListener(
 574                 'unload',
 575                 function(ev) {
 576                     obj.end_session();
 577                 },
 578                 false
 579             );
 580             window.addEventListener(
 581                 'tab_focus',
 582                 function(ev) {
 583                     obj.socket_init();
 584                     if (rfid_cb.checked) {
 585                         setTimeout(
 586                             function() {
 587                                 setOnData();
 588                                 obj.request_items();
 589                             }, 1000
 590                         );
 591                     }
 592                 },
 593                 false
 594             );
 595
 596         } catch(E) {
 597             dump('addon: pv_supa Error in checkin_init(): ' + E + '\n');
 598         }
 599     },
 600     'checkout_init' : function() {
 601         dump('addon: pv_supa checkout_init\n');
 602         var obj = this;
 603
 604         try {
 605
 606             if (! (g && g.checkout)) { return; }
 607
 608             function setOnData() {
 609                 obj.onData(
 610                     function(barcode) {
 611                         g.checkout.controller.view.checkout_barcode_entry_textbox.value = barcode;
 612                         var pre_list_count = g.checkout.list.row_count.total;
 613                         g.checkout.checkout({'barcode':barcode});
 614                         var post_list_count = g.checkout.list.row_count.total;
 615                         if (pre_list_count != post_list_count) {
 616                             obj.write(barcode+'|DEACTIVATE\n'); // checkout success
 617                         } else {
 618                             obj.write(barcode+'|ACTIVATE\n'); // checkout failure
 619                         }
 620                     },
 621                     'DEACTIVATE'
 622                 );
 623             }
 624             setOnData();
 625
 626             var spacer = $('pcii3s');
 627             var rfid_cb = document.createElement('checkbox');
 628             rfid_cb.setAttribute('id','addon_rfid_cb');
 629             rfid_cb.setAttribute(
 630                 'label',
 631                 $('addon_pvsupa_goodstuff_strings').getString(
 632                     'rfid.checkbox.label'
 633                 )
 634             );
 635             rfid_cb.setAttribute(
 636                 'accesskey',
 637                 $('addon_pvsupa_goodstuff_strings').getString(
 638                     'rfid.checkbox.accesskey'
 639                 )
 640             );
 641             spacer.parentNode.insertBefore(rfid_cb,spacer);
 642             if (obj.prefs.prefHasUserValue(
 643                     'oils.addon.pvsupa.goodstuff.checkout.rfid_checkbox.checked'
 644             )){
 645                 rfid_cb.checked = obj.prefs.getBoolPref(
 646                     'oils.addon.pvsupa.goodstuff.checkout.rfid_checkbox.checked'
 647                 );
 648             }
 649
 650             if (rfid_cb.checked) {
 651                 obj.request_items();
 652             }
 653
 654             rfid_cb.addEventListener(
 655                 'command',
 656                 function(ev) {
 657                     if (ev.target.checked) {
 658                         obj.socket_init();
 659                         setTimeout(
 660                             function() {
 661                                 setOnData();
 662                                 obj.request_items();
 663                             }, 1000
 664                         );
 665                     } else {
 666                         obj.end_session();
 667                     }
 668                     obj.prefs.setBoolPref(
 669                         'oils.addon.pvsupa.goodstuff.checkout.rfid_checkbox.checked',
 670                         ev.target.checked
 671                     );
 672                 }
 673             );
 674
 675             window.addEventListener(
 676                 'unload',
 677                 function(ev) {
 678                     obj.end_session();
 679                 },
 680                 false
 681             );
 682             window.addEventListener(
 683                 'tab_focus',
 684                 function(ev) {
 685                     obj.socket_init();
 686                     if (rfid_cb.checked) {
 687                         setTimeout(
 688                             function() {
 689                                 setOnData();
 690                                 obj.request_items();
 691                             }, 1000
 692                         );
 693                     }
 694                 },
 695                 false
 696             );
 697
 698         } catch(E) {
 699             dump('addon: pv_supa Error in checkout_init(): ' + E + '\n');
 700         }
 701     },
 702     'patron_for_checkout_init' : function() {
 703         dump('addon: pv_supa patron_for_checkout_init\n');
 704         var obj = this;
 705
 706         try {
 707
 708             if (! String(location.href).match('/patron/barcode_entry.xul')) { return; }
 709
 710             function setOnData() {
 711                 obj.onData(
 712                     function(barcode) {
 713                         obj.write(barcode+'\n');
 714                         $('barcode_tb').value = barcode;
 715                         window.submit();
 716                     },
 717                     'DEACTIVATE'
 718                 );
 719             }
 720             setOnData();
 721
 722             var hbox = $('barcode_tb').parentNode;
 723             var rfid_cb = document.createElement('checkbox');
 724             rfid_cb.setAttribute('id','addon_rfid_cb');
 725             rfid_cb.setAttribute(
 726                 'label',
 727                 $('addon_pvsupa_goodstuff_strings').getString(
 728                     'rfid.checkbox.label'
 729                 )
 730             );
 731             rfid_cb.setAttribute(
 732                 'accesskey',
 733                 $('addon_pvsupa_goodstuff_strings').getString(
 734                     'rfid.checkbox.accesskey'
 735                 )
 736             );
 737             hbox.appendChild(rfid_cb);
 738             if (obj.prefs.prefHasUserValue(
 739                     'oils.addon.pvsupa.goodstuff.patron_for_checkout.rfid_checkbox.checked'
 740             )){
 741                 rfid_cb.checked = obj.prefs.getBoolPref(
 742                     'oils.addon.pvsupa.goodstuff.patron_for_checkout.rfid_checkbox.checked'
 743                 );
 744             }
 745
 746             if (rfid_cb.checked) {
 747                 obj.request_patrons();
 748             }
 749
 750             rfid_cb.addEventListener(
 751                 'command',
 752                 function(ev) {
 753                     if (ev.target.checked) {
 754                         obj.socket_init();
 755                         setTimeout(
 756                             function() {
 757                                 setOnData();
 758                                 obj.request_patrons();
 759                             }, 1000
 760                         );
 761                     } else {
 762                         obj.end_session();
 763                     }
 764                     obj.prefs.setBoolPref(
 765                         'oils.addon.pvsupa.goodstuff.patron_for_checkout.rfid_checkbox.checked',
 766                         ev.target.checked
 767                     );
 768                 }
 769             );
 770
 771             window.addEventListener(
 772                 'unload',
 773                 function(ev) {
 774                     obj.end_session();
 775                 },
 776                 false
 777             );
 778             window.addEventListener(
 779                 'tab_focus',
 780                 function(ev) {
 781                     obj.socket_init();
 782                     if (rfid_cb.checked) {
 783                         setTimeout(
 784                             function() {
 785                                 setOnData();
 786                                 obj.request_patrons();
 787                             }, 1000
 788                         );
 789                     }
 790                 },
 791                 false
 792             );
 793
 794         } catch(E) {
 795             dump('addon: pv_supa Error in patron_for_checkout_init(): ' + E + '\n');
 796         }
 797     }
 798
 799
 800
 801 }
 802