Open-ILS/web/js/ui/default/staff/cat/services/marcedit.js

   1 /**
   2  *  A MARC editor...
   3  */
   4
   5 angular.module('egMarcMod', ['egCoreMod', 'ui.bootstrap'])
   6
   7 .directive("egContextMenuItem", ['$timeout',function ($timeout) {
   8     return {
   9         restrict: 'E',
  10         replace: true,
  11         template: '<li><a ng-click="setContent(item.value,item.action)">{{item.label}}</a></li>',
  12         scope: { item: '=', content: '=' },
  13         controller: ['$scope','$element',
  14             function ($scope , $element) {
  15                 if (!$scope.item.label) $scope.item.label = $scope.item.value;
  16                 if ($scope.item.divider) {
  17                     $element.style.borderTop = 'solid 1px';
  18                 }
  19
  20                 $scope.setContent = function (v, a) {
  21                     var replace_with = v;
  22                     if (a) replace_with = a($scope,$element,$scope.item.value,$scope.$parent.$parent.content);
  23                     $timeout(function(){
  24                         $scope.$parent.$parent.$apply(function(){
  25                             $scope.$parent.$parent.content = replace_with
  26                         })
  27                     }, 0);
  28                     $($element).parent().css({display: 'none'});
  29                 }
  30             }
  31         ]
  32     }
  33 }])
  34
  35 .directive("egMarcEditEditable", ['$timeout', '$compile', '$document', function ($timeout, $compile, $document) {
  36     return {
  37         restrict: 'E',
  38         replace: true,
  39         template: '<input '+
  40                       'style="font-family: \'Lucida Console\', Monaco, monospace;" '+
  41                       'ng-model="content" '+
  42                       'size="{{content.length * 1.1}}" '+
  43                       'maxlength="{{max}}" '+
  44                       'class="" '+
  45                       'type="text" '+
  46                   '/>',
  47         scope: {
  48             field: '=',
  49             onKeydown: '=',
  50             subfield: '=',
  51             content: '=',
  52             contextItemContainer: '@',
  53             contextItemGenerator: '=',
  54             max: '@',
  55             itype: '@'
  56         },
  57         controller : ['$scope',
  58             function ( $scope ) {
  59
  60 /* XXX Example, for testing.  We'll get this from the tag-table services for realz
  61  *
  62                 if (!$scope.contextItemContainer) {
  63                     $scope.contextItemContainer = "default_context";
  64                     $scope.$parent[$scope.contextItemContainer] = [
  65                         { value: 'a' },
  66                         { value: 'b' },
  67                         { value: 'c' },
  68                     ];
  69                 }
  70
  71  *
  72  */
  73
  74                 if ($scope.contextItemContainer && angular.isArray($scope.$parent[$scope.contextItemContainer]))
  75                     $scope.item_container = $scope.$parent[$scope.contextItemContainer];
  76                 else if ($scope.contextItemGenerator)
  77                     $scope.item_container = $scope.contextItemGenerator();
  78
  79                 $scope.showContext = function (event) {
  80                     if ($scope.context_menu_element) {
  81                         console.log('Reshowing context menu...');
  82                         $($scope.context_menu_element).css({ display: 'block', top: event.pageY, left: event.pageX });
  83                         $('body').on('click.context_menu',function() {
  84                             $($scope.context_menu_element).css('display','none');
  85                             $('body').off('click.context_menu');
  86                         });
  87                         return false;
  88                     }
  89
  90                     if (angular.isArray($scope.item_container)) { // we have a list of values or transforms
  91                         console.log('Showing context menu...');
  92
  93                         var tmpl =
  94                             '<ul class="dropdown-menu" role="menu">'+
  95                                 '<eg-context-menu-item ng-repeat="item in item_container" item="item" content="content"/>'+
  96                             '</ul>';
  97
  98                         var tnode = angular.element(tmpl);
  99                         $document.find('body').append(tnode);
 100
 101                         $(tnode).css({
 102                             display: 'block',
 103                             top: event.pageY,
 104                             left: event.pageX
 105                         });
 106
 107                         $scope.context_menu_element = tnode;
 108
 109                         $timeout(function() {
 110                             var e = $compile(tnode)($scope);
 111                         }, 0);
 112
 113
 114                         $('body').on('click.context_menu',function() {
 115                             $(tnode).css('display','none');
 116                             $('body').off('click.context_menu');
 117                         });
 118
 119                         return false;
 120                     }
 121
 122                     return true;
 123                 }
 124
 125             }
 126         ],
 127         link: function (scope, element, attrs) {
 128
 129             if (scope.onKeydown) element.bind('keydown', {scope : scope}, scope.onKeydown);
 130
 131             element.bind('change', function (e) { element.size = scope.max || parseInt(scope.content.length * 1.1) });
 132
 133             if (scope.item_container)
 134                 element.bind('contextmenu', scope.showContext);
 135         }
 136     }
 137 }])
 138
 139 .directive("egMarcEditSubfield", function () {
 140     return {
 141         transclude: true,
 142         restrict: 'E',
 143         template: '<span>'+
 144                     '<span><label class="marcedit marcsfcodedelimiter"'+
 145                         'for="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}s{{subfield[2]}}code" '+
 146                         '>‡</label><eg-marc-edit-editable '+
 147                         'itype="sfc" '+
 148                         'class="marcedit marcsf marcsfcode" '+
 149                         'field="field" '+
 150                         'subfield="subfield" '+
 151                         'content="subfield[0]" '+
 152                         'max="1" '+
 153                         'on-keydown="onKeydown" '+
 154                         'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}s{{subfield[2]}}code" '+
 155                     '/></span>'+
 156                     '<span><eg-marc-edit-editable '+
 157                         'itype="sfv" '+
 158                         'class="marcedit marcsf marcsfvalue" '+
 159                         'field="field" '+
 160                         'subfield="subfield" '+
 161                         'content="subfield[1]" '+
 162                         'on-keydown="onKeydown" '+
 163                         'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}s{{subfield[2]}}value" '+
 164                     '/></span>'+
 165                   '</span>',
 166         scope: { field: "=", subfield: "=", onKeydown: '=' },
 167         replace: true
 168     }
 169 })
 170
 171 .directive("egMarcEditInd", function () {
 172     return {
 173         transclude: true,
 174         restrict: 'E',
 175         template: '<span><eg-marc-edit-editable '+
 176                       'itype="ind" '+
 177                       'class="marcedit marcind" '+
 178                       'field="field" '+
 179                       'content="ind" '+
 180                       'max="1" '+
 181                       'on-keydown="onKeydown" '+
 182                       'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}i{{indNumber}}"'+
 183                       '/></span>',
 184         scope: { ind : '=', field: '=', onKeydown: '=', indNumber: '@' },
 185         replace: true
 186     }
 187 })
 188
 189 .directive("egMarcEditTag", function () {
 190     return {
 191         transclude: true,
 192         restrict: 'E',
 193         template: '<span><eg-marc-edit-editable '+
 194                       'itype="tag" '+
 195                       'class="marcedit marctag" '+
 196                       'field="field" '+
 197                       'content="tag" '+
 198                       'max="3" '+
 199                       'on-keydown="onKeydown" '+
 200                       'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}tag"'+
 201                       '/></span>',
 202         scope: { tag : '=', field: '=', onKeydown: '=' },
 203         replace: true
 204     }
 205 })
 206
 207 .directive("egMarcEditDatafield", function () {
 208     return {
 209         transclude: true,
 210         restrict: 'E',
 211         template: '<div>'+
 212                     '<span><eg-marc-edit-tag field="field" tag="field.tag" on-keydown="onKeydown"/></span>'+
 213                     '<span><eg-marc-edit-ind field="field" ind="field.ind1" on-keydown="onKeydown" ind-number="1"/></span>'+
 214                     '<span><eg-marc-edit-ind field="field" ind="field.ind2" on-keydown="onKeydown" ind-number="2"/></span>'+
 215                     '<span><eg-marc-edit-subfield ng-repeat="subfield in field.subfields" subfield="subfield" field="field" on-keydown="onKeydown"/></span>'+
 216                   '</div>',
 217         scope: { field: "=", onKeydown: '=' },
 218         replace: true
 219     }
 220 })
 221
 222 .directive("egMarcEditControlfield", function () {
 223     return {
 224         transclude: true,
 225         restrict: 'E',
 226         template: '<div>'+
 227                     '<span><eg-marc-edit-tag field="field" tag="field.tag" on-keydown="onKeydown"/></span>'+
 228                     '<span><eg-marc-edit-editable '+
 229                       'itype="cfld" '+
 230                       'field="field" '+
 231                       'class="marcedit marcdata" '+
 232                       'content="field.data" '+
 233                       'on-keydown="onKeydown" '+
 234                       'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}data"'+
 235                       '/></span>'+
 236                   '</div>',
 237         scope: { field: "=", onKeydown: '=' }
 238     }
 239 })
 240
 241 .directive("egMarcEditLeader", function () {
 242     return {
 243         transclude: true,
 244         restrict: 'E',
 245         template: '<div>'+
 246                     '<span><eg-marc-edit-editable '+
 247                       'class="marcedit marctag" '+
 248                       'content="tag" '+
 249                       'on-keydown="onKeydown" '+
 250                       'id="leadertag" '+
 251                       'disabled="disabled"'+
 252                       '/></span>'+
 253                     '<span><eg-marc-edit-editable '+
 254                       'class="marcedit marcdata" '+
 255                       'itype="ldr" '+
 256                       'max="{{record.leader.length}}" '+
 257                       'content="record.leader" '+
 258                       'id="r{{record.subfield(\'901\',\'c\')[1]}}leaderdata" '+
 259                       'on-keydown="onKeydown"'+
 260                       '/></span>'+
 261                   '</div>',
 262         controller : ['$scope',
 263             function ( $scope ) {
 264                 $scope.tag = 'LDR';
 265             }
 266         ],
 267         scope: { record: "=", onKeydown: '=' }
 268     }
 269 })
 270
 271 /// TODO: fixed field editor and such
 272 .directive("egMarcEditRecord", function () {
 273     return {
 274         templateUrl : './cat/share/t_marcedit',
 275         restrict: 'E',
 276         replace: true,
 277         scope: { recordId : '=', recordType : '@', maxUndo : '@' },
 278         link: function (scope, element, attrs) {
 279
 280             element.bind('click', function(e) {;
 281                 scope.current_event_target = $(e.target).attr('id');
 282                 if (scope.current_event_target) {
 283                     console.log('Recording click event on ' + scope.current_event_target);
 284                     scope.current_event_target_cursor_pos =
 285                         e.target.selectionDirection=='backward' ?
 286                             e.target.selectionStart :
 287                             e.target.selectionEnd;
 288                 }
 289             });
 290
 291         },
 292         controller : ['$timeout','$scope','egCore',
 293             function ( $timeout , $scope , egCore ) {
 294
 295                 $scope.bib_source = null;
 296                 $scope.record_type = $scope.recordType || 'bre';
 297                 $scope.max_undo = $scope.maxUndo || 100;
 298                 $scope.record_undo_stack = [];
 299                 $scope.record_redo_stack = [];
 300                 $scope.in_undo = false;
 301                 $scope.in_redo = false;
 302                 $scope.record = new MARC21.Record();
 303                 $scope.save_stack_depth = 0;
 304                 $scope.controlfields = [];
 305                 $scope.datafields = [];
 306
 307                 $scope.onKeydown = function (event) {
 308                     var event_return = true;
 309
 310                     console.log(
 311                         'keydown: which='+event.which+
 312                         ', ctrlKey='+event.ctrlKey+
 313                         ', shiftKey='+event.shiftKey+
 314                         ', altKey='+event.altKey+
 315                         ', metaKey='+event.altKey
 316                     );
 317
 318                     if (event.which == 89 && event.ctrlKey) { // ctrl+y, redo
 319                         event_return = $scope.processRedo();
 320                     } else if (event.which == 90 && event.ctrlKey) { // ctrl+z, undo
 321                         event_return = $scope.processUndo();
 322                     } else if ((event.which == 68 || event.which == 73) && event.ctrlKey) { // ctrl+d or ctrl+i, insert subfield
 323
 324                         var element = $(event.target);
 325                         var new_sf, index_sf, move_data;
 326
 327                         if (element.hasClass('marcsfvalue')) {
 328                             index_sf = event.data.scope.subfield[2];
 329                             new_sf = index_sf + 1;
 330
 331                             var start = event.target.selectionStart;
 332                             var end = event.target.selectionEnd - event.target.selectionStart ?
 333                                     event.target.selectionEnd :
 334                                     event.target.value.length;
 335
 336                             move_data = event.target.value.substring(start,end);
 337
 338                         } else if (element.hasClass('marcsfcode')) {
 339                             index_sf = event.data.scope.subfield[2];
 340                             new_sf = index_sf + 1;
 341                         } else if (element.hasClass('marctag') || element.hasClass('marcind')) {
 342                             index_sf = 0;
 343                             new_sf = index_sf;
 344                         }
 345
 346                         $scope.current_event_target = 'r' + $scope.recordId +
 347                                                       'f' + event.data.scope.field.position +
 348                                                       's' + new_sf + 'code';
 349
 350                         event.data.scope.field.subfields.forEach(function(sf) {
 351                             if (sf[2] >= new_sf) sf[2]++;
 352                             if (sf[2] == index_sf) sf[1] = event.target.value.substring(0,start) + event.target.value.substring(end);
 353                         });
 354                         event.data.scope.field.subfields.splice(
 355                             new_sf,
 356                             0,
 357                             [' ', move_data, new_sf ]
 358                         );
 359
 360                         $scope.current_event_target_cursor_pos = 0;
 361                         $scope.current_event_target_cursor_pos_end = 1;
 362
 363                         $timeout(function(){$scope.$digest()}).then(setCaret);
 364
 365                         event_return = false;
 366
 367                     } else if (event.which == 117 && event.shiftKey) { // shift + F6, insert 006
 368                         event.data.scope.field.record.insertOrderedFields(
 369                             new MARC21.Field({
 370                                 tag : '006',
 371                                 data : '                                        '
 372                             })
 373                         );
 374
 375                         $scope.force_render = true;
 376                         $timeout(function(){$scope.$digest()}).then(setCaret);
 377
 378                         event_return = false;
 379
 380                     } else if (event.which == 118 && event.shiftKey) { // shift + F7, insert 007
 381                         event.data.scope.field.record.insertOrderedFields(
 382                             new MARC21.Field({
 383                                 tag : '007',
 384                                 data : '                                        '
 385                             })
 386                         );
 387
 388                         $scope.force_render = true;
 389                         $timeout(function(){$scope.$digest()}).then(setCaret);
 390
 391                         event_return = false;
 392
 393                     } else if (event.which == 119 && event.shiftKey) { // shift + F8, insert/replace 008
 394                         var new_008_data = event.data.scope.field.record.generate008();
 395
 396
 397                         var old_008s = event.data.scope.field.record.field('008',true);
 398                         old_008s.forEach(function(o) {
 399                             var domnode = $('#r'+o.record.subfield('901','c')[1] + 'f' + o.position);
 400                             domnode.scope().$destroy();
 401                             domnode.remove();
 402                             event.data.scope.field.record.deleteFields(o);
 403                         });
 404
 405                         event.data.scope.field.record.insertOrderedFields(
 406                             new MARC21.Field({
 407                                 tag : '008',
 408                                 data : new_008_data
 409                             })
 410                         );
 411
 412                         $scope.force_render = true;
 413                         $timeout(function(){$scope.$digest()}).then(setCaret);
 414
 415                         event_return = false;
 416
 417                     } else if (event.which == 13 && event.ctrlKey) { // ctrl+enter, insert datafield
 418
 419                         var element = $(event.target);
 420
 421                         var index_field = event.data.scope.field.position;
 422                         var new_field = index_field + 1;
 423
 424                         event.data.scope.field.record.insertFieldsAfter(
 425                             event.data.scope.field,
 426                             new MARC21.Field({
 427                                 tag : '999',
 428                                 subfields : [[' ','',0]]
 429                             })
 430                         );
 431
 432                         $scope.current_event_target = 'r' + $scope.recordId +
 433                                                       'f' + new_field + 'tag';
 434
 435                         $scope.current_event_target_cursor_pos = 0;
 436                         $scope.current_event_target_cursor_pos_end = 3;
 437                         $scope.force_render = true;
 438
 439                         $timeout(function(){$scope.$digest()}).then(setCaret);
 440
 441                         event_return = false;
 442
 443                     } else if (event.which == 46 && event.ctrlKey) { // ctrl+del, remove field
 444
 445                         var del_field = event.data.scope.field.position;
 446
 447                         var domnode = $('#r'+event.data.scope.field.record.subfield('901','c')[1] + 'f' + del_field);
 448
 449                         event.data.scope.field.record.deleteFields(
 450                             event.data.scope.field
 451                         );
 452
 453                         domnode.scope().$destroy();
 454                         domnode.remove();
 455
 456                         $scope.current_event_target = 'r' + $scope.recordId +
 457                                                       'f' + del_field + 'tag';
 458
 459                         $scope.current_event_target_cursor_pos = 0;
 460                         $scope.current_event_target_cursor_pos_end = 0
 461                         $scope.force_render = true;
 462
 463                         $timeout(function(){$scope.$digest()}).then(setCaret);
 464
 465                         event_return = false;
 466
 467                     } else if (event.which == 46 && event.shiftKey && $(event.target).hasClass('marcsf')) { // shift+del, remove subfield
 468
 469                         var sf = event.data.scope.subfield[2] - 1;
 470                         if (sf == -1) sf = 0;
 471
 472                         event.data.scope.field.deleteExactSubfields(
 473                             event.data.scope.subfield
 474                         );
 475
 476                         if (!event.data.scope.field.subfields[sf]) {
 477                             $scope.current_event_target = 'r' + $scope.recordId +
 478                                                           'f' + event.data.scope.field.position +
 479                                                           'tag';
 480                         } else {
 481                             $scope.current_event_target = 'r' + $scope.recordId +
 482                                                           'f' + event.data.scope.field.position +
 483                                                           's' + sf + 'value';
 484                         }
 485
 486                         $scope.current_event_target_cursor_pos = 0;
 487                         $scope.current_event_target_cursor_pos_end = 0;
 488                         $scope.force_render = true;
 489
 490                         $timeout(function(){$scope.$digest()}).then(setCaret);
 491
 492                         event_return = false;
 493
 494                     } else if (event.keyCode == 38) {
 495                         if (event.ctrlKey) { // copy the field up
 496                             var index_field = event.data.scope.field.position;
 497
 498                             var field_obj;
 499                             if (event.data.scope.field.isControlfield()) {
 500                                 field_obj = new MARC21.Field({
 501                                     tag : event.data.scope.field.tag,
 502                                     data : event.data.scope.field.data
 503                                 });
 504                             } else {
 505                                 var sf_clone = [];
 506                                 for (var i in event.data.scope.field.subfields) {
 507                                     sf_clone.push(event.data.scope.field.subfields[i].slice());
 508                                 }
 509                                 field_obj = new MARC21.Field({
 510                                     tag : event.data.scope.field.tag,
 511                                     ind1 : event.data.scope.field.ind1,
 512                                     ind2 : event.data.scope.field.ind2,
 513                                     subfields : sf_clone
 514                                 });
 515                             }
 516
 517
 518                             event.data.scope.field.record.insertFieldsBefore(
 519                                 event.data.scope.field,
 520                                 field_obj
 521                             );
 522
 523                             $scope.current_event_target = 'r' + $scope.recordId +
 524                                                           'f' + index_field + 'tag';
 525
 526                             $scope.current_event_target_cursor_pos = 0;
 527                             $scope.current_event_target_cursor_pos_end = 3;
 528                             $scope.force_render = true;
 529
 530                             $timeout(function(){$scope.$digest()}).then(setCaret);
 531
 532                         } else { // jump to prev field
 533                             if (event.data.scope.field.position > 0) {
 534                                 $timeout(function(){
 535                                     $scope.current_event_target_cursor_pos = 0;
 536                                     $scope.current_event_target_cursor_pos_end = 0;
 537                                     $scope.current_event_target = 'r' + $scope.recordId +
 538                                                                   'f' + (event.data.scope.field.position - 1) +
 539                                                                   'tag';
 540                                 }).then(setCaret);
 541                             }
 542                         }
 543
 544                         event_return = false;
 545
 546                     } else if (event.keyCode == 40) { // down arrow...
 547                         if (event.ctrlKey) { // copy the field down
 548
 549                             var index_field = event.data.scope.field.position;
 550                             var new_field = index_field + 1;
 551
 552                             var field_obj;
 553                             if (event.data.scope.field.isControlfield()) {
 554                                 field_obj = new MARC21.Field({
 555                                     tag : event.data.scope.field.tag,
 556                                     data : event.data.scope.field.data
 557                                 });
 558                             } else {
 559                                 var sf_clone = [];
 560                                 for (var i in event.data.scope.field.subfields) {
 561                                     sf_clone.push(event.data.scope.field.subfields[i].slice());
 562                                 }
 563                                 field_obj = new MARC21.Field({
 564                                     tag : event.data.scope.field.tag,
 565                                     ind1 : event.data.scope.field.ind1,
 566                                     ind2 : event.data.scope.field.ind2,
 567                                     subfields : sf_clone
 568                                 });
 569                             }
 570
 571                             event.data.scope.field.record.insertFieldsAfter(
 572                                 event.data.scope.field,
 573                                 field_obj
 574                             );
 575
 576                             $scope.current_event_target = 'r' + $scope.recordId +
 577                                                           'f' + new_field + 'tag';
 578
 579                             $scope.current_event_target_cursor_pos = 0;
 580                             $scope.current_event_target_cursor_pos_end = 3;
 581                             $scope.force_render = true;
 582
 583                             $timeout(function(){$scope.$digest()}).then(setCaret);
 584
 585                         } else { // jump to next field
 586                             if (event.data.scope.field.record.fields[event.data.scope.field.position + 1]) {
 587                                 $timeout(function(){
 588                                     $scope.current_event_target_cursor_pos = 0;
 589                                     $scope.current_event_target_cursor_pos_end = 0;
 590                                     $scope.current_event_target = 'r' + $scope.recordId +
 591                                                                   'f' + (event.data.scope.field.position + 1) +
 592                                                                   'tag';
 593                                 }).then(setCaret);
 594                             }
 595                         }
 596
 597                         event_return = false;
 598
 599                     } else { // Assumes only marc editor elements have IDs that can trigger this event handler.
 600                         $scope.current_event_target = $(event.target).attr('id');
 601                         if ($scope.current_event_target) {
 602                             $scope.current_event_target_cursor_pos =
 603                                 event.target.selectionDirection=='backward' ?
 604                                     event.target.selectionStart :
 605                                     event.target.selectionEnd;
 606                         }
 607                     }
 608
 609                     return event_return;
 610                 };
 611
 612                 function setCaret() {
 613                     if ($scope.current_event_target) {
 614                         console.log("Putting caret in " + $scope.current_event_target);
 615                         if (!$scope.current_event_target_cursor_pos_end)
 616                             $scope.current_event_target_cursor_pos_end = $scope.current_event_target_cursor_pos
 617
 618                         var element = $('#'+$scope.current_event_target).get(0);
 619                         if (element) {
 620                             element.focus();
 621                             if (element.setSelectionRange) {
 622                                 element.setSelectionRange(
 623                                     $scope.current_event_target_cursor_pos,
 624                                     $scope.current_event_target_cursor_pos_end
 625                                 );
 626                             }
 627                             $scope.current_event_cursor_pos_end = null;
 628                             $scope.current_event_target = null;
 629                         }
 630                     }
 631                 }
 632
 633                 function loadRecord() {
 634                     return egCore.pcrud.retrieve(
 635                         $scope.record_type, $scope.recordId
 636                     ).then(function(rec) {
 637                         $scope.in_redo = true;
 638                         $scope[$scope.record_type] = rec;
 639                         $scope.record = new MARC21.Record({ marcxml : $scope[$scope.record_type].marc() });
 640                         $scope.calculated_record_type = $scope.record.recordType();
 641                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
 642                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
 643                         $scope.save_stack_depth = $scope.record_undo_stack.length;
 644
 645                         if ($scope.record_type == 'bre') {
 646                             $scope.bib_source = $scope[$scope.record_type].source();
 647                         }
 648
 649                     }).then(setCaret);
 650                 }
 651
 652                 $scope.$watch('record.toBreaker()', function (newVal, oldVal) {
 653                     if (!$scope.in_undo && !$scope.in_redo && oldVal != newVal) {
 654                         $scope.record_undo_stack.push({
 655                             breaker: oldVal,
 656                             target: $scope.current_event_target,
 657                             pos: $scope.current_event_target_cursor_pos
 658                         });
 659
 660                         if ($scope.force_render) {
 661                             $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
 662                             $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
 663                             $scope.force_render = false;
 664                         }
 665
 666                         if ($scope.record_undo_stack.length != $scope.save_stack_depth) {
 667                             console.log('should get a listener... does not');
 668                             $('body').on('beforeunload', function(){
 669                                 return 'There is unsaved data in this record.'
 670                             });
 671                         } else {
 672                             $('body').off('beforeunload');
 673                         }
 674                     }
 675
 676                     if ($scope.record_undo_stack.length > $scope.max_undo)
 677                         $scope.record_undo_stack.shift();
 678
 679                     console.log('undo stack is ' + $scope.record_undo_stack.length + ' deep');
 680                     $scope.in_redo = false;
 681                     $scope.in_undo = false;
 682                 });
 683
 684                 $scope.processUndo = function () {
 685                     if ($scope.record_undo_stack.length) {
 686                         $scope.in_undo = true;
 687
 688                         var undo_item = $scope.record_undo_stack.pop();
 689                         $scope.record_redo_stack.push(undo_item);
 690
 691                         $scope.record = new MARC21.Record({ marcbreaker : undo_item.breaker });
 692                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
 693                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
 694
 695                         $scope.current_event_target = undo_item.target;
 696                         $scope.current_event_target_cursor_pos = undo_item.pos;
 697                         console.log('Undo targeting ' + $scope.current_event_target + ' position ' + $scope.current_event_target_cursor_pos);
 698
 699                         $timeout(function(){$scope.$digest()}).then(setCaret);
 700                         return false;
 701                     }
 702
 703                     return true;
 704                 };
 705
 706                 $scope.processRedo = function () {
 707                     if ($scope.record_redo_stack.length) {
 708                         $scope.in_redo = true;
 709
 710                         var redo_item = $scope.record_redo_stack.pop();
 711                         $scope.record_undo_stack.push(redo_item);
 712
 713                         $scope.record = new MARC21.Record({ marcbreaker : redo_item.breaker });
 714                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
 715                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
 716
 717                         $scope.current_event_target = redo_item.target;
 718                         $scope.current_event_target_cursor_pos = redo_item.pos;
 719                         console.log('Redo targeting ' + $scope.current_event_target + ' position ' + $scope.current_event_target_cursor_pos);
 720
 721                         $timeout(function(){$scope.$digest()}).then(setCaret);
 722                         return false;
 723                     }
 724
 725                     return true;
 726                 };
 727
 728                 $scope.saveRecord = function () {
 729                     $scope.mangle_005();
 730                     $scope[$scope.record_type].marc($scope.record.toXmlString());
 731                     return egCore.pcrud.update(
 732                         $scope[$scope.record_type]
 733                     ).then(loadRecord);
 734                 };
 735
 736                 $scope.seeBreaker = function () {
 737                     alert($scope.record.toBreaker());
 738                 };
 739
 740                 $scope.$watch('recordId',
 741                     function(newVal, oldVal) {
 742                         if (newVal && newVal !== oldVal) {
 743                             loadRecord();
 744                         }
 745                     }
 746                 );
 747
 748                 if ($scope.recordId)
 749                     loadRecord();
 750
 751                 $scope.mangle_005 = function () {
 752                     var now = new Date();
 753                     var y = now.getUTCFullYear();
 754
 755                     var m = now.getUTCMonth() + 1;
 756                     if (m < 10) m = '0' + m;
 757
 758                     var d = now.getUTCDate();
 759                     if (d < 10) d = '0' + d;
 760
 761                     var H = now.getUTCHours();
 762                     if (H < 10) H = '0' + H;
 763
 764                     var M = now.getUTCMinutes();
 765                     if (M < 10) M = '0' + M;
 766
 767                     var S = now.getUTCSeconds();
 768                     if (S < 10) S = '0' + S;
 769
 770                     var stamp = '' + y + m + d + H + M + S + '.0';
 771                     var f = $scope.record.field('005',true)[0];
 772                     if (f) {
 773                         f.data = stamp;
 774                     } else {
 775                         $scope.record.insertOrderedFields(
 776                             new MARC21.Field({
 777                                 tag : '005',
 778                                 data: stamp
 779                             })
 780                         );
 781                     }
 782
 783                 }
 784
 785             }
 786         ]
 787     }
 788 })
 789
 790 .directive("egMarcEditBibsource", ['$timeout',function ($timeout) {
 791     return {
 792         restrict: 'E',
 793         replace: true,
 794         template: '<span class="nullable">'+
 795                     '<select class="form-control" ng-model="bib_source" ng-options="s.id() as s.source() for s in bib_sources">'+
 796                       '<option value="">Select a Source</option>'+
 797                     '</select>'+
 798                   '</span>',
 799         controller: ['$scope','egCore',
 800             function ($scope , egCore) {
 801
 802                 egCore.pcrud.retrieveAll('cbs', {}, {atomic : true})
 803                     .then(function(list) { $scope.bib_sources = list; });
 804
 805                 $scope.$watch('bib_source',
 806                     function(newVal, oldVal) {
 807                         if (newVal !== oldVal) {
 808                             $scope.bre.source(newVal);
 809                         }
 810                     }
 811                 );
 812
 813             }
 814         ]
 815     }
 816 }])
 817
 818 ;