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 ( $scope ) {
  59
  60                 if ($scope.contextItemContainer && angular.isArray($scope.$parent[$scope.contextItemContainer]))
  61                     $scope.item_container = $scope.$parent[$scope.contextItemContainer];
  62                 else if ($scope.contextItemGenerator)
  63                     $scope.item_container = $scope.contextItemGenerator();
  64
  65                 $scope.showContext = function (event) {
  66                     if ($scope.context_menu_element) {
  67                         console.log('Reshowing context menu...');
  68                         $('body').trigger('click');
  69                         $($scope.context_menu_element).css({ display: 'block', top: event.pageY, left: event.pageX });
  70                         $('body').on('click.context_menu',function() {
  71                             $($scope.context_menu_element).css('display','none');
  72                             $('body').off('click.context_menu');
  73                         });
  74                         return false;
  75                     }
  76
  77                     if (angular.isArray($scope.item_container)) { // we have a list of values or transforms
  78                         console.log('Showing context menu...');
  79                         $('body').trigger('click');
  80
  81                         var tmpl =
  82                             '<ul class="dropdown-menu" role="menu">'+
  83                                 '<eg-context-menu-item ng-repeat="item in item_container" item="item" content="content"/>'+
  84                             '</ul>';
  85
  86                         var tnode = angular.element(tmpl);
  87                         $document.find('body').append(tnode);
  88
  89                         $(tnode).css({
  90                             display: 'block',
  91                             top: event.pageY,
  92                             left: event.pageX
  93                         });
  94
  95                         $scope.context_menu_element = tnode;
  96
  97                         $timeout(function() {
  98                             var e = $compile(tnode)($scope);
  99                         }, 0);
 100
 101
 102                         $('body').on('click.context_menu',function() {
 103                             $(tnode).css('display','none');
 104                             $('body').off('click.context_menu');
 105                         });
 106
 107                         return false;
 108                     }
 109
 110                     return true;
 111                 }
 112
 113             }
 114         ],
 115         link: function (scope, element, attrs) {
 116
 117             if (scope.onKeydown) element.bind('keydown', {scope : scope}, scope.onKeydown);
 118
 119             element.bind('change', function (e) { element.size = scope.max || parseInt(scope.content.length * 1.1) });
 120
 121             if (scope.item_container && scope.item_container.length)
 122                 element.bind('contextmenu', scope.showContext);
 123         }
 124     }
 125 }])
 126
 127 .directive("egMarcEditFixedField", ['$timeout', '$compile', '$document', function ($timeout, $compile, $document) {
 128     return {
 129         transclude: true,
 130         restrict: 'E',
 131         template: '<div class="col-md-2">'+
 132                     '<div class="col-md-1"><label name="{{fixedField}}" for="{{fixedField}}_ff_input">{{fixedField}}</label></div>'+
 133                     '<div class="col-md-1"><input type="text" style="padding-left: 5px; margin-left: 1em" size="4" id="{{fixedField}}_ff_input"/></div>'+
 134                   '</div>',
 135         scope: { record: "=", fixedField: "@" },
 136         replace: true,
 137         controller : ['$scope', '$element', 'egTagTable',
 138             function ( $scope ,  $element ,  egTagTable) {
 139                 $($element).children().css({ display : 'none' });
 140                 $scope.me = null;
 141                 $scope.content = null; // this is where context menus dump their values
 142                 $scope.item_container = [];
 143                 $scope.in_handler = false;
 144                 $scope.ready = false;
 145
 146                 $scope.$watch('content', function (newVal, oldVal) {
 147                     var input = $($element).find('input');
 148                     input.val(newVal);
 149                     input.trigger('keyup'); // cascade the update
 150                 });
 151
 152                 $scope.$watch('record.ready', function (newVal, oldVal) { // wait for the record to be loaded
 153                     if (newVal && !$scope.ready) {
 154                         $scope.rtype = $scope.record.recordType();
 155
 156                         egTagTable.fetchFFPosTable( $scope.rtype ).then(function (ff_list) {
 157                             angular.forEach(ff_list, function (ff) {
 158                                 if (!$scope.me) {
 159                                     if (ff.fixed_field == $scope.fixedField && ff.rec_type == $scope.rtype) {
 160                                         $scope.me = ff;
 161                                         $scope.ready = true;
 162                                         $($element).children().css({ display : 'inline' });
 163
 164                                         var input = $($element).find('input');
 165                                         input.attr('maxlength', $scope.me.length);
 166                                         input.val($scope.record.extractFixedField($scope.me.fixed_field));
 167                                         input.on('keyup', function(e) {
 168                                             $scope.in_handler = true;
 169                                             $scope.record.setFixedField($scope.me.fixed_field, input.val());
 170                                             try { $scope.$parent.$digest(); } catch(e) {};
 171                                         });
 172                                     }
 173                                 }
 174                             });
 175                             return $scope.me;
 176                         }).then(function (me) {
 177                             if (me) {
 178                                 $scope.$watch(
 179                                     function() {
 180                                         return $scope.record.extractFixedField($scope.fixedField);
 181                                     },
 182                                     function (newVal, oldVal) {
 183                                         if ($scope.in_handler) {
 184                                             $scope.in_handler = false;
 185                                         } else if (oldVal != newVal) {
 186                                             $($element).find('input').val(newVal);
 187                                         }
 188                                     }
 189                                 );
 190                             }
 191                         }).then(function () {
 192                             return egTagTable.fetchFFValueTable( $scope.rtype );
 193                         }).then(function (vlist) {
 194                             if (vlist[$scope.fixedField]) {
 195                                 vlist[$scope.fixedField].forEach(function (v) {
 196                                     if (v[0].length <= v[2]) {
 197                                         $scope.item_container.push({ value : v[0], label : v[0] + ': ' + v[1] });
 198                                     }
 199                                 });
 200                             }
 201                         }).then(function () {
 202                             if ($scope.item_container && $scope.item_container.length)
 203                                 $($element).bind('contextmenu', $scope.showContext);
 204                         });
 205
 206                     }
 207                 });
 208
 209                 $scope.showContext = function (event) {
 210                     if ($scope.context_menu_element) {
 211                         console.log('Reshowing context menu...');
 212                         $('body').trigger('click');
 213                         $($scope.context_menu_element).css({ display: 'block', top: event.pageY, left: event.pageX });
 214                         $('body').on('click.context_menu',function() {
 215                             $($scope.context_menu_element).css('display','none');
 216                             $('body').off('click.context_menu');
 217                         });
 218                         return false;
 219                     }
 220
 221                     if (angular.isArray($scope.item_container)) { // we have a list of values or transforms
 222                         console.log('Showing context menu...');
 223                         $('body').trigger('click');
 224
 225                         var tmpl =
 226                             '<ul class="dropdown-menu" role="menu">'+
 227                                 '<eg-context-menu-item ng-repeat="item in item_container" item="item" content="content"/>'+
 228                             '</ul>';
 229
 230                         var tnode = angular.element(tmpl);
 231                         $document.find('body').append(tnode);
 232
 233                         $(tnode).css({
 234                             display: 'block',
 235                             top: event.pageY,
 236                             left: event.pageX
 237                         });
 238
 239                         $scope.context_menu_element = tnode;
 240
 241                         $timeout(function() {
 242                             var e = $compile(tnode)($scope);
 243                         }, 0);
 244
 245
 246                         $('body').on('click.context_menu',function() {
 247                             $(tnode).css('display','none');
 248                             $('body').off('click.context_menu');
 249                         });
 250
 251                         return false;
 252                     }
 253
 254                     return true;
 255                 }
 256
 257             }
 258         ]
 259     }
 260 }])
 261
 262 .directive("egMarcEditSubfield", function () {
 263     return {
 264         transclude: true,
 265         restrict: 'E',
 266         template: '<span>'+
 267                     '<span><label class="marcedit marcsfcodedelimiter"'+
 268                         'for="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}s{{subfield[2]}}code" '+
 269                         '>‡</label><eg-marc-edit-editable '+
 270                         'itype="sfc" '+
 271                         'class="marcedit marcsf marcsfcode" '+
 272                         'field="field" '+
 273                         'subfield="subfield" '+
 274                         'content="subfield[0]" '+
 275                         'max="1" '+
 276                         'on-keydown="onKeydown" '+
 277                         'context-item-generator="sf_code_options" '+
 278                         'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}s{{subfield[2]}}code" '+
 279                     '/></span>'+
 280                     '<span><eg-marc-edit-editable '+
 281                         'itype="sfv" '+
 282                         'class="marcedit marcsf marcsfvalue" '+
 283                         'field="field" '+
 284                         'subfield="subfield" '+
 285                         'content="subfield[1]" '+
 286                         'on-keydown="onKeydown" '+
 287                         'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}s{{subfield[2]}}value" '+
 288                     '/></span>'+
 289                   '</span>',
 290         scope: { field: "=", subfield: "=", onKeydown: '=' },
 291         replace: true,
 292         controller : ['$scope', 'egTagTable',
 293             function ( $scope ,  egTagTable) {
 294
 295                 $scope.sf_code_options = function () {
 296                     return egTagTable.getSubfieldCodes($scope.field.tag);
 297                 }
 298             }
 299         ]
 300     }
 301 })
 302
 303 .directive("egMarcEditInd", function () {
 304     return {
 305         transclude: true,
 306         restrict: 'E',
 307         template: '<span><eg-marc-edit-editable '+
 308                       'itype="ind" '+
 309                       'class="marcedit marcind" '+
 310                       'field="field" '+
 311                       'content="ind" '+
 312                       'max="1" '+
 313                       'on-keydown="onKeydown" '+
 314                       'context-item-generator="ind_val_options" '+
 315                       'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}i{{indNumber}}"'+
 316                       '/></span>',
 317         scope: { ind : '=', field: '=', onKeydown: '=', indNumber: '@' },
 318         replace: true,
 319         controller : ['$scope', 'egTagTable',
 320             function ( $scope ,  egTagTable) {
 321
 322                 $scope.ind_val_options = function () {
 323                     return egTagTable.getIndicatorValues($scope.field.tag, $scope.indNumber);
 324                 }
 325             }
 326         ]
 327     }
 328 })
 329
 330 .directive("egMarcEditTag", function () {
 331     return {
 332         transclude: true,
 333         restrict: 'E',
 334         template: '<span><eg-marc-edit-editable '+
 335                       'itype="tag" '+
 336                       'class="marcedit marctag" '+
 337                       'field="field" '+
 338                       'content="tag" '+
 339                       'max="3" '+
 340                       'on-keydown="onKeydown" '+
 341                       'context-item-generator="tag_options" '+
 342                       'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}tag"'+
 343                       '/></span>',
 344         scope: { tag : '=', field: '=', onKeydown: '=' },
 345         replace: true,
 346         controller : ['$scope', 'egTagTable',
 347             function ( $scope ,  egTagTable) {
 348
 349                 $scope.tag_options = function () {
 350                     return egTagTable.getFieldTags();
 351                 }
 352             }
 353         ]
 354     }
 355 })
 356
 357 .directive("egMarcEditDatafield", function () {
 358     return {
 359         transclude: true,
 360         restrict: 'E',
 361         template: '<div>'+
 362                     '<span><eg-marc-edit-tag field="field" tag="field.tag" on-keydown="onKeydown"/></span>'+
 363                     '<span><eg-marc-edit-ind field="field" ind="field.ind1" on-keydown="onKeydown" ind-number="1"/></span>'+
 364                     '<span><eg-marc-edit-ind field="field" ind="field.ind2" on-keydown="onKeydown" ind-number="2"/></span>'+
 365                     '<span><eg-marc-edit-subfield ng-repeat="subfield in field.subfields" subfield="subfield" field="field" on-keydown="onKeydown"/></span>'+
 366                   '</div>',
 367         scope: { field: "=", onKeydown: '=' },
 368         replace: true
 369     }
 370 })
 371
 372 .directive("egMarcEditControlfield", function () {
 373     return {
 374         transclude: true,
 375         restrict: 'E',
 376         template: '<div>'+
 377                     '<span><eg-marc-edit-tag field="field" tag="field.tag" on-keydown="onKeydown"/></span>'+
 378                     '<span><eg-marc-edit-editable '+
 379                       'itype="cfld" '+
 380                       'field="field" '+
 381                       'class="marcedit marcdata" '+
 382                       'content="field.data" '+
 383                       'on-keydown="onKeydown" '+
 384                       'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}data"'+
 385                       '/></span>'+
 386                   '</div>',
 387         scope: { field: "=", onKeydown: '=' }
 388     }
 389 })
 390
 391 .directive("egMarcEditLeader", function () {
 392     return {
 393         transclude: true,
 394         restrict: 'E',
 395         template: '<div>'+
 396                     '<span><eg-marc-edit-editable '+
 397                       'class="marcedit marctag" '+
 398                       'content="tag" '+
 399                       'on-keydown="onKeydown" '+
 400                       'id="leadertag" '+
 401                       'disabled="disabled"'+
 402                       '/></span>'+
 403                     '<span><eg-marc-edit-editable '+
 404                       'class="marcedit marcdata" '+
 405                       'itype="ldr" '+
 406                       'max="{{record.leader.length}}" '+
 407                       'content="record.leader" '+
 408                       'id="r{{record.subfield(\'901\',\'c\')[1]}}leaderdata" '+
 409                       'on-keydown="onKeydown"'+
 410                       '/></span>'+
 411                   '</div>',
 412         controller : ['$scope',
 413             function ( $scope ) {
 414                 $scope.tag = 'LDR';
 415             }
 416         ],
 417         scope: { record: "=", onKeydown: '=' }
 418     }
 419 })
 420
 421 /// TODO: fixed field editor and such
 422 .directive("egMarcEditRecord", function () {
 423     return {
 424         templateUrl : './cat/share/t_marcedit',
 425         restrict: 'E',
 426         replace: true,
 427         scope: {
 428             dirtyFlag : '=',
 429             recordId : '=',
 430             recordType : '@',
 431             maxUndo : '@'
 432         },
 433         link: function (scope, element, attrs) {
 434
 435             element.bind('click', function(e) {;
 436                 scope.current_event_target = $(e.target).attr('id');
 437                 if (scope.current_event_target) {
 438                     console.log('Recording click event on ' + scope.current_event_target);
 439                     scope.current_event_target_cursor_pos =
 440                         e.target.selectionDirection=='backward' ?
 441                             e.target.selectionStart :
 442                             e.target.selectionEnd;
 443                 }
 444             });
 445
 446         },
 447         controller : ['$timeout','$scope','egCore', 'egTagTable',
 448             function ( $timeout , $scope , egCore ,  egTagTable ) {
 449
 450                 $scope.bib_source = null;
 451                 $scope.record_type = $scope.recordType || 'bre';
 452                 $scope.max_undo = $scope.maxUndo || 100;
 453                 $scope.record_undo_stack = [];
 454                 $scope.record_redo_stack = [];
 455                 $scope.in_undo = false;
 456                 $scope.in_redo = false;
 457                 $scope.record = new MARC21.Record();
 458                 $scope.save_stack_depth = 0;
 459                 $scope.controlfields = [];
 460                 $scope.datafields = [];
 461
 462                 egTagTable.loadTagTable();
 463
 464                 $scope.onKeydown = function (event) {
 465                     var event_return = true;
 466
 467                     console.log(
 468                         'keydown: which='+event.which+
 469                         ', ctrlKey='+event.ctrlKey+
 470                         ', shiftKey='+event.shiftKey+
 471                         ', altKey='+event.altKey+
 472                         ', metaKey='+event.altKey
 473                     );
 474
 475                     if (event.which == 89 && event.ctrlKey) { // ctrl+y, redo
 476                         event_return = $scope.processRedo();
 477                     } else if (event.which == 90 && event.ctrlKey) { // ctrl+z, undo
 478                         event_return = $scope.processUndo();
 479                     } else if ((event.which == 68 || event.which == 73) && event.ctrlKey) { // ctrl+d or ctrl+i, insert subfield
 480
 481                         var element = $(event.target);
 482                         var new_sf, index_sf, move_data;
 483
 484                         if (element.hasClass('marcsfvalue')) {
 485                             index_sf = event.data.scope.subfield[2];
 486                             new_sf = index_sf + 1;
 487
 488                             var start = event.target.selectionStart;
 489                             var end = event.target.selectionEnd - event.target.selectionStart ?
 490                                     event.target.selectionEnd :
 491                                     event.target.value.length;
 492
 493                             move_data = event.target.value.substring(start,end);
 494
 495                         } else if (element.hasClass('marcsfcode')) {
 496                             index_sf = event.data.scope.subfield[2];
 497                             new_sf = index_sf + 1;
 498                         } else if (element.hasClass('marctag') || element.hasClass('marcind')) {
 499                             index_sf = 0;
 500                             new_sf = index_sf;
 501                         }
 502
 503                         $scope.current_event_target = 'r' + $scope.recordId +
 504                                                       'f' + event.data.scope.field.position +
 505                                                       's' + new_sf + 'code';
 506
 507                         event.data.scope.field.subfields.forEach(function(sf) {
 508                             if (sf[2] >= new_sf) sf[2]++;
 509                             if (sf[2] == index_sf) sf[1] = event.target.value.substring(0,start) + event.target.value.substring(end);
 510                         });
 511                         event.data.scope.field.subfields.splice(
 512                             new_sf,
 513                             0,
 514                             [' ', move_data, new_sf ]
 515                         );
 516
 517                         $scope.current_event_target_cursor_pos = 0;
 518                         $scope.current_event_target_cursor_pos_end = 1;
 519
 520                         $timeout(function(){$scope.$digest()}).then(setCaret);
 521
 522                         event_return = false;
 523
 524                     } else if (event.which == 117 && event.shiftKey) { // shift + F6, insert 006
 525                         event.data.scope.field.record.insertOrderedFields(
 526                             new MARC21.Field({
 527                                 tag : '006',
 528                                 data : '                                        '
 529                             })
 530                         );
 531
 532                         $scope.force_render = true;
 533                         $timeout(function(){$scope.$digest()}).then(setCaret);
 534
 535                         event_return = false;
 536
 537                     } else if (event.which == 118 && event.shiftKey) { // shift + F7, insert 007
 538                         event.data.scope.field.record.insertOrderedFields(
 539                             new MARC21.Field({
 540                                 tag : '007',
 541                                 data : '                                        '
 542                             })
 543                         );
 544
 545                         $scope.force_render = true;
 546                         $timeout(function(){$scope.$digest()}).then(setCaret);
 547
 548                         event_return = false;
 549
 550                     } else if (event.which == 119 && event.shiftKey) { // shift + F8, insert/replace 008
 551                         var new_008_data = event.data.scope.field.record.generate008();
 552
 553
 554                         var old_008s = event.data.scope.field.record.field('008',true);
 555                         old_008s.forEach(function(o) {
 556                             var domnode = $('#r'+o.record.subfield('901','c')[1] + 'f' + o.position);
 557                             domnode.scope().$destroy();
 558                             domnode.remove();
 559                             event.data.scope.field.record.deleteFields(o);
 560                         });
 561
 562                         event.data.scope.field.record.insertOrderedFields(
 563                             new MARC21.Field({
 564                                 tag : '008',
 565                                 data : new_008_data
 566                             })
 567                         );
 568
 569                         $scope.force_render = true;
 570                         $timeout(function(){$scope.$digest()}).then(setCaret);
 571
 572                         event_return = false;
 573
 574                     } else if (event.which == 13 && event.ctrlKey) { // ctrl+enter, insert datafield
 575
 576                         var element = $(event.target);
 577
 578                         var index_field = event.data.scope.field.position;
 579                         var new_field = index_field + 1;
 580
 581                         event.data.scope.field.record.insertFieldsAfter(
 582                             event.data.scope.field,
 583                             new MARC21.Field({
 584                                 tag : '999',
 585                                 subfields : [[' ','',0]]
 586                             })
 587                         );
 588
 589                         $scope.current_event_target = 'r' + $scope.recordId +
 590                                                       'f' + new_field + 'tag';
 591
 592                         $scope.current_event_target_cursor_pos = 0;
 593                         $scope.current_event_target_cursor_pos_end = 3;
 594                         $scope.force_render = true;
 595
 596                         $timeout(function(){$scope.$digest()}).then(setCaret);
 597
 598                         event_return = false;
 599
 600                     } else if (event.which == 46 && event.ctrlKey) { // ctrl+del, remove field
 601
 602                         var del_field = event.data.scope.field.position;
 603
 604                         var domnode = $('#r'+event.data.scope.field.record.subfield('901','c')[1] + 'f' + del_field);
 605
 606                         event.data.scope.field.record.deleteFields(
 607                             event.data.scope.field
 608                         );
 609
 610                         domnode.scope().$destroy();
 611                         domnode.remove();
 612
 613                         $scope.current_event_target = 'r' + $scope.recordId +
 614                                                       'f' + del_field + 'tag';
 615
 616                         $scope.current_event_target_cursor_pos = 0;
 617                         $scope.current_event_target_cursor_pos_end = 0
 618                         $scope.force_render = true;
 619
 620                         $timeout(function(){$scope.$digest()}).then(setCaret);
 621
 622                         event_return = false;
 623
 624                     } else if (event.which == 46 && event.shiftKey && $(event.target).hasClass('marcsf')) { // shift+del, remove subfield
 625
 626                         var sf = event.data.scope.subfield[2] - 1;
 627                         if (sf == -1) sf = 0;
 628
 629                         event.data.scope.field.deleteExactSubfields(
 630                             event.data.scope.subfield
 631                         );
 632
 633                         if (!event.data.scope.field.subfields[sf]) {
 634                             $scope.current_event_target = 'r' + $scope.recordId +
 635                                                           'f' + event.data.scope.field.position +
 636                                                           'tag';
 637                         } else {
 638                             $scope.current_event_target = 'r' + $scope.recordId +
 639                                                           'f' + event.data.scope.field.position +
 640                                                           's' + sf + 'value';
 641                         }
 642
 643                         $scope.current_event_target_cursor_pos = 0;
 644                         $scope.current_event_target_cursor_pos_end = 0;
 645                         $scope.force_render = true;
 646
 647                         $timeout(function(){$scope.$digest()}).then(setCaret);
 648
 649                         event_return = false;
 650
 651                     } else if (event.keyCode == 38) {
 652                         if (event.ctrlKey) { // copy the field up
 653                             var index_field = event.data.scope.field.position;
 654
 655                             var field_obj;
 656                             if (event.data.scope.field.isControlfield()) {
 657                                 field_obj = new MARC21.Field({
 658                                     tag : event.data.scope.field.tag,
 659                                     data : event.data.scope.field.data
 660                                 });
 661                             } else {
 662                                 var sf_clone = [];
 663                                 for (var i in event.data.scope.field.subfields) {
 664                                     sf_clone.push(event.data.scope.field.subfields[i].slice());
 665                                 }
 666                                 field_obj = new MARC21.Field({
 667                                     tag : event.data.scope.field.tag,
 668                                     ind1 : event.data.scope.field.ind1,
 669                                     ind2 : event.data.scope.field.ind2,
 670                                     subfields : sf_clone
 671                                 });
 672                             }
 673
 674
 675                             event.data.scope.field.record.insertFieldsBefore(
 676                                 event.data.scope.field,
 677                                 field_obj
 678                             );
 679
 680                             $scope.current_event_target = 'r' + $scope.recordId +
 681                                                           'f' + index_field + 'tag';
 682
 683                             $scope.current_event_target_cursor_pos = 0;
 684                             $scope.current_event_target_cursor_pos_end = 3;
 685                             $scope.force_render = true;
 686
 687                             $timeout(function(){$scope.$digest()}).then(setCaret);
 688
 689                         } else { // jump to prev field
 690                             if (event.data.scope.field.position > 0) {
 691                                 $timeout(function(){
 692                                     $scope.current_event_target_cursor_pos = 0;
 693                                     $scope.current_event_target_cursor_pos_end = 0;
 694                                     $scope.current_event_target = 'r' + $scope.recordId +
 695                                                                   'f' + (event.data.scope.field.position - 1) +
 696                                                                   'tag';
 697                                 }).then(setCaret);
 698                             }
 699                         }
 700
 701                         event_return = false;
 702
 703                     } else if (event.keyCode == 40) { // down arrow...
 704                         if (event.ctrlKey) { // copy the field down
 705
 706                             var index_field = event.data.scope.field.position;
 707                             var new_field = index_field + 1;
 708
 709                             var field_obj;
 710                             if (event.data.scope.field.isControlfield()) {
 711                                 field_obj = new MARC21.Field({
 712                                     tag : event.data.scope.field.tag,
 713                                     data : event.data.scope.field.data
 714                                 });
 715                             } else {
 716                                 var sf_clone = [];
 717                                 for (var i in event.data.scope.field.subfields) {
 718                                     sf_clone.push(event.data.scope.field.subfields[i].slice());
 719                                 }
 720                                 field_obj = new MARC21.Field({
 721                                     tag : event.data.scope.field.tag,
 722                                     ind1 : event.data.scope.field.ind1,
 723                                     ind2 : event.data.scope.field.ind2,
 724                                     subfields : sf_clone
 725                                 });
 726                             }
 727
 728                             event.data.scope.field.record.insertFieldsAfter(
 729                                 event.data.scope.field,
 730                                 field_obj
 731                             );
 732
 733                             $scope.current_event_target = 'r' + $scope.recordId +
 734                                                           'f' + new_field + 'tag';
 735
 736                             $scope.current_event_target_cursor_pos = 0;
 737                             $scope.current_event_target_cursor_pos_end = 3;
 738                             $scope.force_render = true;
 739
 740                             $timeout(function(){$scope.$digest()}).then(setCaret);
 741
 742                         } else { // jump to next field
 743                             if (event.data.scope.field.record.fields[event.data.scope.field.position + 1]) {
 744                                 $timeout(function(){
 745                                     $scope.current_event_target_cursor_pos = 0;
 746                                     $scope.current_event_target_cursor_pos_end = 0;
 747                                     $scope.current_event_target = 'r' + $scope.recordId +
 748                                                                   'f' + (event.data.scope.field.position + 1) +
 749                                                                   'tag';
 750                                 }).then(setCaret);
 751                             }
 752                         }
 753
 754                         event_return = false;
 755
 756                     } else { // Assumes only marc editor elements have IDs that can trigger this event handler.
 757                         $scope.current_event_target = $(event.target).attr('id');
 758                         if ($scope.current_event_target) {
 759                             $scope.current_event_target_cursor_pos =
 760                                 event.target.selectionDirection=='backward' ?
 761                                     event.target.selectionStart :
 762                                     event.target.selectionEnd;
 763                         }
 764                     }
 765
 766                     return event_return;
 767                 };
 768
 769                 function setCaret() {
 770                     if ($scope.current_event_target) {
 771                         console.log("Putting caret in " + $scope.current_event_target);
 772                         if (!$scope.current_event_target_cursor_pos_end)
 773                             $scope.current_event_target_cursor_pos_end = $scope.current_event_target_cursor_pos
 774
 775                         var element = $('#'+$scope.current_event_target).get(0);
 776                         if (element) {
 777                             element.focus();
 778                             if (element.setSelectionRange) {
 779                                 element.setSelectionRange(
 780                                     $scope.current_event_target_cursor_pos,
 781                                     $scope.current_event_target_cursor_pos_end
 782                                 );
 783                             }
 784                             $scope.current_event_cursor_pos_end = null;
 785                             $scope.current_event_target = null;
 786                         }
 787                     }
 788                 }
 789
 790                 function loadRecord() {
 791                     return egCore.pcrud.retrieve(
 792                         $scope.record_type, $scope.recordId
 793                     ).then(function(rec) {
 794                         $scope.in_redo = true;
 795                         $scope[$scope.record_type] = rec;
 796                         $scope.record = new MARC21.Record({ marcxml : $scope[$scope.record_type].marc() });
 797                         $scope.calculated_record_type = $scope.record.recordType();
 798                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
 799                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
 800                         $scope.save_stack_depth = $scope.record_undo_stack.length;
 801
 802                         if ($scope.record_type == 'bre') {
 803                             $scope.bib_source = $scope[$scope.record_type].source();
 804                         }
 805
 806                     }).then(function(){
 807                         return egTagTable.fetchFFPosTable($scope.calculated_record_type)
 808                     }).then(function(){
 809                         return egTagTable.fetchFFValueTable($scope.calculated_record_type)
 810                     }).then(setCaret);
 811                 }
 812
 813                 $scope.$watch('record.toBreaker()', function (newVal, oldVal) {
 814                     if (!$scope.in_undo && !$scope.in_redo && oldVal != newVal) {
 815                         $scope.record_undo_stack.push({
 816                             breaker: oldVal,
 817                             target: $scope.current_event_target,
 818                             pos: $scope.current_event_target_cursor_pos
 819                         });
 820
 821                         if ($scope.force_render) {
 822                             $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
 823                             $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
 824                             $scope.force_render = false;
 825                         }
 826
 827                     }
 828
 829                     if ($scope.record_undo_stack.length != $scope.save_stack_depth) {
 830                         $scope.dirtyFlag = true;
 831                     } else {
 832                         $scope.dirtyFlag = false;
 833                     }
 834
 835                     if ($scope.record_undo_stack.length > $scope.max_undo)
 836                         $scope.record_undo_stack.shift();
 837
 838                     console.log('undo stack is ' + $scope.record_undo_stack.length + ' deep');
 839                     $scope.in_redo = false;
 840                     $scope.in_undo = false;
 841                 });
 842
 843                 $scope.processUndo = function () {
 844                     if ($scope.record_undo_stack.length) {
 845                         $scope.in_undo = true;
 846
 847                         var undo_item = $scope.record_undo_stack.pop();
 848                         $scope.record_redo_stack.push(undo_item);
 849
 850                         $scope.record = new MARC21.Record({ marcbreaker : undo_item.breaker });
 851                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
 852                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
 853
 854                         $scope.current_event_target = undo_item.target;
 855                         $scope.current_event_target_cursor_pos = undo_item.pos;
 856                         console.log('Undo targeting ' + $scope.current_event_target + ' position ' + $scope.current_event_target_cursor_pos);
 857
 858                         $timeout(function(){$scope.$digest()}).then(setCaret);
 859                         return false;
 860                     }
 861
 862                     return true;
 863                 };
 864
 865                 $scope.processRedo = function () {
 866                     if ($scope.record_redo_stack.length) {
 867                         $scope.in_redo = true;
 868
 869                         var redo_item = $scope.record_redo_stack.pop();
 870                         $scope.record_undo_stack.push(redo_item);
 871
 872                         $scope.record = new MARC21.Record({ marcbreaker : redo_item.breaker });
 873                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
 874                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
 875
 876                         $scope.current_event_target = redo_item.target;
 877                         $scope.current_event_target_cursor_pos = redo_item.pos;
 878                         console.log('Redo targeting ' + $scope.current_event_target + ' position ' + $scope.current_event_target_cursor_pos);
 879
 880                         $timeout(function(){$scope.$digest()}).then(setCaret);
 881                         return false;
 882                     }
 883
 884                     return true;
 885                 };
 886
 887                 $scope.saveRecord = function () {
 888                     $scope.mangle_005();
 889                     $scope[$scope.record_type].marc($scope.record.toXmlString());
 890                     return egCore.pcrud.update(
 891                         $scope[$scope.record_type]
 892                     ).then(loadRecord);
 893                 };
 894
 895                 $scope.seeBreaker = function () {
 896                     alert($scope.record.toBreaker());
 897                 };
 898
 899                 $scope.$watch('recordId',
 900                     function(newVal, oldVal) {
 901                         if (newVal && newVal !== oldVal) {
 902                             loadRecord();
 903                         }
 904                     }
 905                 );
 906
 907                 if ($scope.recordId)
 908                     loadRecord();
 909
 910                 $scope.mangle_005 = function () {
 911                     var now = new Date();
 912                     var y = now.getUTCFullYear();
 913
 914                     var m = now.getUTCMonth() + 1;
 915                     if (m < 10) m = '0' + m;
 916
 917                     var d = now.getUTCDate();
 918                     if (d < 10) d = '0' + d;
 919
 920                     var H = now.getUTCHours();
 921                     if (H < 10) H = '0' + H;
 922
 923                     var M = now.getUTCMinutes();
 924                     if (M < 10) M = '0' + M;
 925
 926                     var S = now.getUTCSeconds();
 927                     if (S < 10) S = '0' + S;
 928
 929                     var stamp = '' + y + m + d + H + M + S + '.0';
 930                     var f = $scope.record.field('005',true)[0];
 931                     if (f) {
 932                         f.data = stamp;
 933                     } else {
 934                         $scope.record.insertOrderedFields(
 935                             new MARC21.Field({
 936                                 tag : '005',
 937                                 data: stamp
 938                             })
 939                         );
 940                     }
 941
 942                 }
 943
 944             }
 945         ]
 946     }
 947 })
 948
 949 .directive("egMarcEditBibsource", ['$timeout',function ($timeout) {
 950     return {
 951         restrict: 'E',
 952         replace: true,
 953         template: '<span class="nullable">'+
 954                     '<select class="form-control" ng-model="bib_source" ng-options="s.id() as s.source() for s in bib_sources">'+
 955                       '<option value="">Select a Source</option>'+
 956                     '</select>'+
 957                   '</span>',
 958         controller: ['$scope','egCore',
 959             function ($scope , egCore) {
 960
 961                 egCore.pcrud.retrieveAll('cbs', {}, {atomic : true})
 962                     .then(function(list) { $scope.bib_sources = list; });
 963
 964                 $scope.$watch('bib_source',
 965                     function(newVal, oldVal) {
 966                         if (newVal !== oldVal) {
 967                             $scope.bre.source(newVal);
 968                         }
 969                     }
 970                 );
 971
 972             }
 973         ]
 974     }
 975 }])
 976
 977 ;