]> git.evergreen-ils.org Git - working/Evergreen.git/blob - Open-ILS/web/js/ui/default/staff/cat/services/marcedit.js
webstaff: Add "delete" and "undelete" actions to the MARC editor
[working/Evergreen.git] / 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_generator = $scope.contextItemGenerator;
64
65                 $scope.showContext = function (event) {
66                     $scope.item_list = [];
67                     if ($scope.item_container) {
68                         $scope.item_list = $scope.item_container;
69                     } else if ($scope.item_generator) {
70                         // always recalculate; tag and/or subfield
71                         // codes may have changed
72                         $scope.item_list = $scope.item_generator();
73                     } else {
74                         return true;
75                     }
76
77                     if (angular.isArray($scope.item_list) && $scope.item_list.length > 0) { // 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_list" 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                         $timeout(function() {
96                             var e = $compile(tnode)($scope);
97                         }, 0);
98
99
100                         $('body').on('click.context_menu',function() {
101                             $(tnode).css('display','none');
102                             $('body').off('click.context_menu');
103                         });
104
105                         return false;
106                     }
107             
108                     return true;
109                 }
110
111             }
112         ],
113         link: function (scope, element, attrs) {
114
115             if (scope.onKeydown) element.bind('keydown', {scope : scope}, scope.onKeydown);
116
117             element.bind('change', function (e) { element.size = scope.max || parseInt(scope.content.length * 1.1) });
118
119             element.bind('contextmenu', scope.showContext);
120         }
121     }
122 }])
123
124 .directive("egMarcEditFixedField", ['$timeout', '$compile', '$document', function ($timeout, $compile, $document) {
125     return {
126         transclude: true,
127         restrict: 'E',
128         template: '<div class="col-md-2">'+
129                     '<div class="col-md-1"><label name="{{fixedField}}" for="{{fixedField}}_ff_input">{{fixedField}}</label></div>'+
130                     '<div class="col-md-1"><input type="text" style="padding-left: 5px; margin-left: 1em" size="4" id="{{fixedField}}_ff_input"/></div>'+
131                   '</div>',
132         scope: { record: "=", fixedField: "@" },
133         replace: true,
134         controller : ['$scope', '$element', 'egTagTable',
135             function ( $scope ,  $element ,  egTagTable) {
136                 $($element).children().css({ display : 'none' });
137                 $scope.me = null;
138                 $scope.content = null; // this is where context menus dump their values
139                 $scope.item_container = [];
140                 $scope.in_handler = false;
141                 $scope.ready = false;
142
143                 $scope.$watch('content', function (newVal, oldVal) {
144                     var input = $($element).find('input');
145                     input.val(newVal);
146                     input.trigger('keyup'); // cascade the update
147                 });
148
149                 $scope.$watch('record.ready', function (newVal, oldVal) { // wait for the record to be loaded
150                     if (newVal && !$scope.ready) {
151                         $scope.rtype = $scope.record.recordType();
152
153                         egTagTable.fetchFFPosTable( $scope.rtype ).then(function (ff_list) {
154                             angular.forEach(ff_list, function (ff) {
155                                 if (!$scope.me) {
156                                     if (ff.fixed_field == $scope.fixedField && ff.rec_type == $scope.rtype) {
157                                         $scope.me = ff;
158                                         $scope.ready = true;
159                                         $($element).children().css({ display : 'inline' });
160
161                                         var input = $($element).find('input');
162                                         input.attr('maxlength', $scope.me.length);
163                                         input.val($scope.record.extractFixedField($scope.me.fixed_field));
164                                         input.on('keyup', function(e) {
165                                             $scope.in_handler = true;
166                                             $scope.record.setFixedField($scope.me.fixed_field, input.val());
167                                             try { $scope.$parent.$digest(); } catch(e) {};
168                                         });
169                                     }
170                                 }
171                             });
172                             return $scope.me;
173                         }).then(function (me) {
174                             if (me) {
175                                 $scope.$watch(
176                                     function() {
177                                         return $scope.record.extractFixedField($scope.fixedField);
178                                     },
179                                     function (newVal, oldVal) {
180                                         if ($scope.in_handler) {
181                                             $scope.in_handler = false;
182                                         } else if (oldVal != newVal) {
183                                             $($element).find('input').val(newVal);
184                                         }
185                                     }
186                                 );
187                             }
188                         }).then(function () {
189                             return egTagTable.fetchFFValueTable( $scope.rtype );
190                         }).then(function (vlist) {
191                             if (vlist[$scope.fixedField]) {
192                                 vlist[$scope.fixedField].forEach(function (v) {
193                                     if (v[0].length <= v[2]) {
194                                         $scope.item_container.push({ value : v[0], label : v[0] + ': ' + v[1] });
195                                     }
196                                 });
197                             }
198                         }).then(function () {
199                             if ($scope.item_container && $scope.item_container.length)
200                                 $($element).bind('contextmenu', $scope.showContext);
201                         });
202
203                     }
204                 });
205
206                 $scope.showContext = function (event) {
207                     if ($scope.context_menu_element) {
208                         console.log('Reshowing context menu...');
209                         $('body').trigger('click');
210                         $($scope.context_menu_element).css({ display: 'block', top: event.pageY, left: event.pageX });
211                         $('body').on('click.context_menu',function() {
212                             $($scope.context_menu_element).css('display','none');
213                             $('body').off('click.context_menu');
214                         });
215                         return false;
216                     }
217
218                     if (angular.isArray($scope.item_container)) { // we have a list of values or transforms
219                         console.log('Showing context menu...');
220                         $('body').trigger('click');
221
222                         var tmpl = 
223                             '<ul class="dropdown-menu" role="menu">'+
224                                 '<eg-context-menu-item ng-repeat="item in item_container" item="item" content="content"/>'+
225                             '</ul>';
226             
227                         var tnode = angular.element(tmpl);
228                         $document.find('body').append(tnode);
229
230                         $(tnode).css({
231                             display: 'block',
232                             top: event.pageY,
233                             left: event.pageX
234                         });
235
236                         $scope.context_menu_element = tnode;
237
238                         $timeout(function() {
239                             var e = $compile(tnode)($scope);
240                         }, 0);
241
242
243                         $('body').on('click.context_menu',function() {
244                             $(tnode).css('display','none');
245                             $('body').off('click.context_menu');
246                         });
247
248                         return false;
249                     }
250             
251                     return true;
252                 }
253
254             }
255         ]
256     }
257 }])
258
259 .directive("egMarcEditSubfield", function () {
260     return {
261         transclude: true,
262         restrict: 'E',
263         template: '<span>'+
264                     '<span><label class="marcedit marcsfcodedelimiter"'+
265                         'for="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}s{{subfield[2]}}code" '+
266                         '>‡</label><eg-marc-edit-editable '+
267                         'itype="sfc" '+
268                         'class="marcedit marcsf marcsfcode" '+
269                         'field="field" '+
270                         'subfield="subfield" '+
271                         'content="subfield[0]" '+
272                         'max="1" '+
273                         'on-keydown="onKeydown" '+
274                         'context-item-generator="sf_code_options" '+
275                         'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}s{{subfield[2]}}code" '+
276                     '/></span>'+
277                     '<span><eg-marc-edit-editable '+
278                         'itype="sfv" '+
279                         'class="marcedit marcsf marcsfvalue" '+
280                         'field="field" '+
281                         'subfield="subfield" '+
282                         'content="subfield[1]" '+
283                         'on-keydown="onKeydown" '+
284                         'context-item-generator="sf_val_options" '+
285                         'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}s{{subfield[2]}}value" '+
286                     '/></span>'+
287                   '</span>',
288         scope: { field: "=", subfield: "=", onKeydown: '=' },
289         replace: true,
290         controller : ['$scope', 'egTagTable',
291             function ( $scope ,  egTagTable) {
292
293                 $scope.sf_code_options = function () {
294                     return egTagTable.getSubfieldCodes($scope.field.tag);
295                 }
296                 $scope.sf_val_options = function () {
297                     return egTagTable.getSubfieldValues($scope.field.tag, $scope.subfield[0]);
298                 }
299             }
300         ]
301     }
302 })
303
304 .directive("egMarcEditInd", function () {
305     return {
306         transclude: true,
307         restrict: 'E',
308         template: '<span><eg-marc-edit-editable '+
309                       'itype="ind" '+
310                       'class="marcedit marcind" '+
311                       'field="field" '+
312                       'content="ind" '+
313                       'max="1" '+
314                       'on-keydown="onKeydown" '+
315                       'context-item-generator="ind_val_options" '+
316                       'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}i{{indNumber}}"'+
317                       '/></span>',
318         scope: { ind : '=', field: '=', onKeydown: '=', indNumber: '@' },
319         replace: true,
320         controller : ['$scope', 'egTagTable',
321             function ( $scope ,  egTagTable) {
322
323                 $scope.ind_val_options = function () {
324                     return egTagTable.getIndicatorValues($scope.field.tag, $scope.indNumber);
325                 }
326             }
327         ]
328     }
329 })
330
331 .directive("egMarcEditTag", function () {
332     return {
333         transclude: true,
334         restrict: 'E',
335         template: '<span><eg-marc-edit-editable '+
336                       'itype="tag" '+
337                       'class="marcedit marctag" '+
338                       'field="field" '+
339                       'content="tag" '+
340                       'max="3" '+
341                       'on-keydown="onKeydown" '+
342                       'context-item-generator="tag_options" '+
343                       'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}tag"'+
344                       '/></span>',
345         scope: { tag : '=', field: '=', onKeydown: '=' },
346         replace: true,
347         controller : ['$scope', 'egTagTable',
348             function ( $scope ,  egTagTable) {
349
350                 $scope.tag_options = function () {
351                     return egTagTable.getFieldTags();
352                 }
353             }
354         ]
355     }
356 })
357
358 .directive("egMarcEditDatafield", function () {
359     return {
360         transclude: true,
361         restrict: 'E',
362         template: '<div>'+
363                     '<span><eg-marc-edit-tag field="field" tag="field.tag" on-keydown="onKeydown"/></span>'+
364                     '<span><eg-marc-edit-ind field="field" ind="field.ind1" on-keydown="onKeydown" ind-number="1"/></span>'+
365                     '<span><eg-marc-edit-ind field="field" ind="field.ind2" on-keydown="onKeydown" ind-number="2"/></span>'+
366                     '<span><eg-marc-edit-subfield ng-repeat="subfield in field.subfields" subfield="subfield" field="field" on-keydown="onKeydown"/></span>'+
367                   '</div>',
368         scope: { field: "=", onKeydown: '=' },
369         replace: true
370     }
371 })
372
373 .directive("egMarcEditControlfield", function () {
374     return {
375         transclude: true,
376         restrict: 'E',
377         template: '<div>'+
378                     '<span><eg-marc-edit-tag field="field" tag="field.tag" on-keydown="onKeydown"/></span>'+
379                     '<span><eg-marc-edit-editable '+
380                       'itype="cfld" '+
381                       'field="field" '+
382                       'class="marcedit marcdata" '+
383                       'content="field.data" '+
384                       'on-keydown="onKeydown" '+
385                       'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}data"'+
386                       '/></span>'+
387                   '</div>',
388         scope: { field: "=", onKeydown: '=' }
389     }
390 })
391
392 .directive("egMarcEditLeader", function () {
393     return {
394         transclude: true,
395         restrict: 'E',
396         template: '<div>'+
397                     '<span><eg-marc-edit-editable '+
398                       'class="marcedit marctag" '+
399                       'content="tag" '+
400                       'on-keydown="onKeydown" '+
401                       'id="leadertag" '+
402                       'disabled="disabled"'+
403                       '/></span>'+
404                     '<span><eg-marc-edit-editable '+
405                       'class="marcedit marcdata" '+
406                       'itype="ldr" '+
407                       'max="{{record.leader.length}}" '+
408                       'content="record.leader" '+
409                       'id="r{{record.subfield(\'901\',\'c\')[1]}}leaderdata" '+
410                       'on-keydown="onKeydown"'+
411                       '/></span>'+
412                   '</div>',
413         controller : ['$scope',
414             function ( $scope ) {
415                 $scope.tag = 'LDR';
416             }
417         ],
418         scope: { record: "=", onKeydown: '=' }
419     }
420 })
421
422 /// TODO: fixed field editor and such
423 .directive("egMarcEditRecord", function () {
424     return {
425         templateUrl : './cat/share/t_marcedit',
426         restrict: 'E',
427         replace: true,
428         scope: {
429             dirtyFlag : '=',
430             recordId : '=',
431             recordType : '@',
432             maxUndo : '@'
433         },
434         link: function (scope, element, attrs) {
435
436             element.bind('click', function(e) {;
437                 scope.current_event_target = $(e.target).attr('id');
438                 if (scope.current_event_target) {
439                     console.log('Recording click event on ' + scope.current_event_target);
440                     scope.current_event_target_cursor_pos =
441                         e.target.selectionDirection=='backward' ?
442                             e.target.selectionStart :
443                             e.target.selectionEnd;
444                 }
445             });
446
447         },
448         controller : ['$timeout','$scope','egCore', 'egTagTable',
449             function ( $timeout , $scope , egCore ,  egTagTable ) {
450
451                 MARC21.Record.delimiter = '$';
452
453                 $scope.flatEditor = false;
454                 $scope.bib_source = null;
455                 $scope.record_type = $scope.recordType || 'bre';
456                 $scope.max_undo = $scope.maxUndo || 100;
457                 $scope.record_undo_stack = [];
458                 $scope.record_redo_stack = [];
459                 $scope.in_undo = false;
460                 $scope.in_redo = false;
461                 $scope.record = new MARC21.Record();
462                 $scope.save_stack_depth = 0;
463                 $scope.controlfields = [];
464                 $scope.datafields = [];
465
466                 egTagTable.loadTagTable();
467
468                 $scope.saveFlatTextMARC = function () {
469                     $scope.record = new MARC21.Record({ marcbreaker : $scope.flat_text_marc });
470                 };
471
472                 $scope.refreshVisual = function () {
473                     if (!$scope.flatEditor) {
474                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
475                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
476                     }
477                 };
478
479                 $scope.onKeydown = function (event) {
480                     var event_return = true;
481
482                     console.log(
483                         'keydown: which='+event.which+
484                         ', ctrlKey='+event.ctrlKey+
485                         ', shiftKey='+event.shiftKey+
486                         ', altKey='+event.altKey+
487                         ', metaKey='+event.altKey
488                     );
489
490                     if (event.which == 89 && event.ctrlKey) { // ctrl+y, redo
491                         event_return = $scope.processRedo();
492                     } else if (event.which == 90 && event.ctrlKey) { // ctrl+z, undo
493                         event_return = $scope.processUndo();
494                     } else if ((event.which == 68 || event.which == 73) && event.ctrlKey) { // ctrl+d or ctrl+i, insert subfield
495
496                         var element = $(event.target);
497                         var new_sf, index_sf, move_data;
498
499                         if (element.hasClass('marcsfvalue')) {
500                             index_sf = event.data.scope.subfield[2];
501                             new_sf = index_sf + 1;
502
503                             var start = event.target.selectionStart;
504                             var end = event.target.selectionEnd - event.target.selectionStart ?
505                                     event.target.selectionEnd :
506                                     event.target.value.length;
507
508                             move_data = event.target.value.substring(start,end);
509
510                         } else if (element.hasClass('marcsfcode')) {
511                             index_sf = event.data.scope.subfield[2];
512                             new_sf = index_sf + 1;
513                         } else if (element.hasClass('marctag') || element.hasClass('marcind')) {
514                             index_sf = 0;
515                             new_sf = index_sf;
516                         }
517
518                         $scope.current_event_target = 'r' + $scope.recordId +
519                                                       'f' + event.data.scope.field.position + 
520                                                       's' + new_sf + 'code';
521
522                         event.data.scope.field.subfields.forEach(function(sf) {
523                             if (sf[2] >= new_sf) sf[2]++;
524                             if (sf[2] == index_sf) sf[1] = event.target.value.substring(0,start) + event.target.value.substring(end);
525                         });
526                         event.data.scope.field.subfields.splice(
527                             new_sf,
528                             0,
529                             [' ', move_data, new_sf ]
530                         );
531
532                         $scope.current_event_target_cursor_pos = 0;
533                         $scope.current_event_target_cursor_pos_end = 1;
534
535                         $timeout(function(){$scope.$digest()}).then(setCaret);
536
537                         event_return = false;
538
539                     } else if (event.which == 117 && event.shiftKey) { // shift + F6, insert 006
540                         event.data.scope.field.record.insertOrderedFields(
541                             new MARC21.Field({
542                                 tag : '006',
543                                 data : '                                        '
544                             })
545                         );
546
547                         $scope.force_render = true;
548                         $timeout(function(){$scope.$digest()}).then(setCaret);
549
550                         event_return = false;
551
552                     } else if (event.which == 118 && event.shiftKey) { // shift + F7, insert 007
553                         event.data.scope.field.record.insertOrderedFields(
554                             new MARC21.Field({
555                                 tag : '007',
556                                 data : '                                        '
557                             })
558                         );
559
560                         $scope.force_render = true;
561                         $timeout(function(){$scope.$digest()}).then(setCaret);
562
563                         event_return = false;
564
565                     } else if (event.which == 119 && event.shiftKey) { // shift + F8, insert/replace 008
566                         var new_008_data = event.data.scope.field.record.generate008();
567
568
569                         var old_008s = event.data.scope.field.record.field('008',true);
570                         old_008s.forEach(function(o) {
571                             var domnode = $('#r'+o.record.subfield('901','c')[1] + 'f' + o.position);
572                             domnode.scope().$destroy();
573                             domnode.remove();
574                             event.data.scope.field.record.deleteFields(o);
575                         });
576
577                         event.data.scope.field.record.insertOrderedFields(
578                             new MARC21.Field({
579                                 tag : '008',
580                                 data : new_008_data
581                             })
582                         );
583
584                         $scope.force_render = true;
585                         $timeout(function(){$scope.$digest()}).then(setCaret);
586
587                         event_return = false;
588
589                     } else if (event.which == 13 && event.ctrlKey) { // ctrl+enter, insert datafield
590
591                         var element = $(event.target);
592
593                         var index_field = event.data.scope.field.position;
594                         var new_field = index_field + 1;
595
596                         event.data.scope.field.record.insertFieldsAfter(
597                             event.data.scope.field,
598                             new MARC21.Field({
599                                 tag : '999',
600                                 subfields : [[' ','',0]]
601                             })
602                         );
603
604                         $scope.current_event_target = 'r' + $scope.recordId +
605                                                       'f' + new_field + 'tag';
606
607                         $scope.current_event_target_cursor_pos = 0;
608                         $scope.current_event_target_cursor_pos_end = 3;
609                         $scope.force_render = true;
610
611                         $timeout(function(){$scope.$digest()}).then(setCaret);
612
613                         event_return = false;
614
615                     } else if (event.which == 46 && event.ctrlKey) { // ctrl+del, remove field
616
617                         var del_field = event.data.scope.field.position;
618
619                         var domnode = $('#r'+event.data.scope.field.record.subfield('901','c')[1] + 'f' + del_field);
620
621                         event.data.scope.field.record.deleteFields(
622                             event.data.scope.field
623                         );
624
625                         domnode.scope().$destroy();
626                         domnode.remove();
627
628                         $scope.current_event_target = 'r' + $scope.recordId +
629                                                       'f' + del_field + 'tag';
630
631                         $scope.current_event_target_cursor_pos = 0;
632                         $scope.current_event_target_cursor_pos_end = 0
633                         $scope.force_render = true;
634
635                         $timeout(function(){$scope.$digest()}).then(setCaret);
636
637                         event_return = false;
638
639                     } else if (event.which == 46 && event.shiftKey && $(event.target).hasClass('marcsf')) { // shift+del, remove subfield
640
641                         var sf = event.data.scope.subfield[2] - 1;
642                         if (sf == -1) sf = 0;
643
644                         event.data.scope.field.deleteExactSubfields(
645                             event.data.scope.subfield
646                         );
647
648                         if (!event.data.scope.field.subfields[sf]) {
649                             $scope.current_event_target = 'r' + $scope.recordId +
650                                                           'f' + event.data.scope.field.position + 
651                                                           'tag';
652                         } else {
653                             $scope.current_event_target = 'r' + $scope.recordId +
654                                                           'f' + event.data.scope.field.position + 
655                                                           's' + sf + 'value';
656                         }
657
658                         $scope.current_event_target_cursor_pos = 0;
659                         $scope.current_event_target_cursor_pos_end = 0;
660                         $scope.force_render = true;
661
662                         $timeout(function(){$scope.$digest()}).then(setCaret);
663
664                         event_return = false;
665
666                     } else if (event.keyCode == 38) {
667                         if (event.ctrlKey) { // copy the field up
668                             var index_field = event.data.scope.field.position;
669
670                             var field_obj;
671                             if (event.data.scope.field.isControlfield()) {
672                                 field_obj = new MARC21.Field({
673                                     tag : event.data.scope.field.tag,
674                                     data : event.data.scope.field.data
675                                 });
676                             } else {
677                                 var sf_clone = [];
678                                 for (var i in event.data.scope.field.subfields) {
679                                     sf_clone.push(event.data.scope.field.subfields[i].slice());
680                                 }
681                                 field_obj = new MARC21.Field({
682                                     tag : event.data.scope.field.tag,
683                                     ind1 : event.data.scope.field.ind1,
684                                     ind2 : event.data.scope.field.ind2,
685                                     subfields : sf_clone
686                                 });
687                             }
688
689
690                             event.data.scope.field.record.insertFieldsBefore(
691                                 event.data.scope.field,
692                                 field_obj
693                             );
694
695                             $scope.current_event_target = 'r' + $scope.recordId +
696                                                           'f' + index_field + 'tag';
697
698                             $scope.current_event_target_cursor_pos = 0;
699                             $scope.current_event_target_cursor_pos_end = 3;
700                             $scope.force_render = true;
701
702                             $timeout(function(){$scope.$digest()}).then(setCaret);
703
704                         } else { // jump to prev field
705                             if (event.data.scope.field.position > 0) {
706                                 $timeout(function(){
707                                     $scope.current_event_target_cursor_pos = 0;
708                                     $scope.current_event_target_cursor_pos_end = 0;
709                                     $scope.current_event_target = 'r' + $scope.recordId +
710                                                                   'f' + (event.data.scope.field.position - 1) +
711                                                                   'tag';
712                                 }).then(setCaret);
713                             }
714                         }
715
716                         event_return = false;
717
718                     } else if (event.keyCode == 40) { // down arrow...
719                         if (event.ctrlKey) { // copy the field down
720
721                             var index_field = event.data.scope.field.position;
722                             var new_field = index_field + 1;
723
724                             var field_obj;
725                             if (event.data.scope.field.isControlfield()) {
726                                 field_obj = new MARC21.Field({
727                                     tag : event.data.scope.field.tag,
728                                     data : event.data.scope.field.data
729                                 });
730                             } else {
731                                 var sf_clone = [];
732                                 for (var i in event.data.scope.field.subfields) {
733                                     sf_clone.push(event.data.scope.field.subfields[i].slice());
734                                 }
735                                 field_obj = new MARC21.Field({
736                                     tag : event.data.scope.field.tag,
737                                     ind1 : event.data.scope.field.ind1,
738                                     ind2 : event.data.scope.field.ind2,
739                                     subfields : sf_clone
740                                 });
741                             }
742
743                             event.data.scope.field.record.insertFieldsAfter(
744                                 event.data.scope.field,
745                                 field_obj
746                             );
747
748                             $scope.current_event_target = 'r' + $scope.recordId +
749                                                           'f' + new_field + 'tag';
750
751                             $scope.current_event_target_cursor_pos = 0;
752                             $scope.current_event_target_cursor_pos_end = 3;
753                             $scope.force_render = true;
754
755                             $timeout(function(){$scope.$digest()}).then(setCaret);
756
757                         } else { // jump to next field
758                             if (event.data.scope.field.record.fields[event.data.scope.field.position + 1]) {
759                                 $timeout(function(){
760                                     $scope.current_event_target_cursor_pos = 0;
761                                     $scope.current_event_target_cursor_pos_end = 0;
762                                     $scope.current_event_target = 'r' + $scope.recordId +
763                                                                   'f' + (event.data.scope.field.position + 1) +
764                                                                   'tag';
765                                 }).then(setCaret);
766                             }
767                         }
768
769                         event_return = false;
770
771                     } else { // Assumes only marc editor elements have IDs that can trigger this event handler.
772                         $scope.current_event_target = $(event.target).attr('id');
773                         if ($scope.current_event_target) {
774                             $scope.current_event_target_cursor_pos =
775                                 event.target.selectionDirection=='backward' ?
776                                     event.target.selectionStart :
777                                     event.target.selectionEnd;
778                         }
779                     }
780
781                     return event_return;
782                 };
783
784                 function setCaret() {
785                     if ($scope.current_event_target) {
786                         console.log("Putting caret in " + $scope.current_event_target);
787                         if (!$scope.current_event_target_cursor_pos_end)
788                             $scope.current_event_target_cursor_pos_end = $scope.current_event_target_cursor_pos
789
790                         var element = $('#'+$scope.current_event_target).get(0);
791                         if (element) {
792                             element.focus();
793                             if (element.setSelectionRange) {
794                                 element.setSelectionRange(
795                                     $scope.current_event_target_cursor_pos,
796                                     $scope.current_event_target_cursor_pos_end
797                                 );
798                             }
799                             $scope.current_event_cursor_pos_end = null;
800                             $scope.current_event_target = null;
801                         }
802                     }
803                 }
804
805                 function loadRecord() {
806                     return egCore.pcrud.retrieve(
807                         $scope.record_type, $scope.recordId
808                     ).then(function(rec) {
809                         $scope.in_redo = true;
810                         $scope[$scope.record_type] = rec;
811                         $scope.record = new MARC21.Record({ marcxml : $scope.Record().marc() });
812                         $scope.calculated_record_type = $scope.record.recordType();
813                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
814                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
815                         $scope.save_stack_depth = $scope.record_undo_stack.length;
816                         $scope.flat_text_marc = $scope.record.toBreaker();
817
818                         if ($scope.record_type == 'bre') {
819                             $scope.bib_source = $scope.Record().source();
820                         }
821
822                     }).then(function(){
823                         return egTagTable.fetchFFPosTable($scope.calculated_record_type)
824                     }).then(function(){
825                         return egTagTable.fetchFFValueTable($scope.calculated_record_type)
826                     }).then(setCaret);
827                 }
828
829                 $scope.$watch('record.toBreaker()', function (newVal, oldVal) {
830                     if (!$scope.in_undo && !$scope.in_redo && oldVal != newVal) {
831                         $scope.record_undo_stack.push({
832                             breaker: oldVal,
833                             target: $scope.current_event_target,
834                             pos: $scope.current_event_target_cursor_pos
835                         });
836
837                         if ($scope.force_render) {
838                             $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
839                             $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
840                             $scope.force_render = false;
841                         }
842
843                         $scope.flat_text_marc = newVal;
844                     }
845
846                     if ($scope.record_undo_stack.length != $scope.save_stack_depth) {
847                         $scope.dirtyFlag = true;
848                     } else {
849                         $scope.dirtyFlag = false;
850                     }
851
852                     if ($scope.record_undo_stack.length > $scope.max_undo)
853                         $scope.record_undo_stack.shift();
854
855                     console.log('undo stack is ' + $scope.record_undo_stack.length + ' deep');
856                     $scope.in_redo = false;
857                     $scope.in_undo = false;
858                 });
859
860                 $scope.processUndo = function () {
861                     if ($scope.record_undo_stack.length) {
862                         $scope.in_undo = true;
863
864                         var undo_item = $scope.record_undo_stack.pop();
865                         $scope.record_redo_stack.push(undo_item);
866
867                         $scope.record = new MARC21.Record({ marcbreaker : undo_item.breaker });
868                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
869                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
870
871                         $scope.current_event_target = undo_item.target;
872                         $scope.current_event_target_cursor_pos = undo_item.pos;
873                         console.log('Undo targeting ' + $scope.current_event_target + ' position ' + $scope.current_event_target_cursor_pos);
874
875                         $timeout(function(){$scope.$digest()}).then(setCaret);
876                         return false;
877                     }
878
879                     return true;
880                 };
881
882                 $scope.processRedo = function () {
883                     if ($scope.record_redo_stack.length) {
884                         $scope.in_redo = true;
885
886                         var redo_item = $scope.record_redo_stack.pop();
887                         $scope.record_undo_stack.push(redo_item);
888
889                         $scope.record = new MARC21.Record({ marcbreaker : redo_item.breaker });
890                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
891                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
892
893                         $scope.current_event_target = redo_item.target;
894                         $scope.current_event_target_cursor_pos = redo_item.pos;
895                         console.log('Redo targeting ' + $scope.current_event_target + ' position ' + $scope.current_event_target_cursor_pos);
896
897                         $timeout(function(){$scope.$digest()}).then(setCaret);
898                         return false;
899                     }
900
901                     return true;
902                 };
903
904                 $scope.Record = function () {
905                     return $scope[$scope.record_type];
906                     return $scope.saveRecord();
907                 };
908
909                 $scope.deleteRecord = function () {
910                     $scope.Record().deleted(true);
911                     return $scope.saveRecord();
912                 };
913
914                 $scope.undeleteRecord = function () {
915                     $scope.Record().deleted(false);
916                     return $scope.saveRecord();
917                 };
918
919                 $scope.saveRecord = function () {
920                     $scope.mangle_005();
921                     $scope.Record().editor(egCore.auth.user().id());
922                     $scope.Record().edit_date('now');
923                     $scope.Record().marc($scope.record.toXmlString());
924                     return egCore.pcrud.update(
925                         $scope.Record()
926                     ).then(loadRecord);
927                 };
928
929                 $scope.seeBreaker = function () {
930                     alert($scope.record.toBreaker());
931                 };
932
933                 $scope.$watch('recordId',
934                     function(newVal, oldVal) {
935                         if (newVal && newVal !== oldVal) {
936                             loadRecord();
937                         }
938                     }
939                 );
940
941                 if ($scope.recordId)
942                     loadRecord();
943
944                 $scope.mangle_005 = function () {
945                     var now = new Date();
946                     var y = now.getUTCFullYear();
947                 
948                     var m = now.getUTCMonth() + 1;
949                     if (m < 10) m = '0' + m;
950                 
951                     var d = now.getUTCDate();
952                     if (d < 10) d = '0' + d;
953                 
954                     var H = now.getUTCHours();
955                     if (H < 10) H = '0' + H;
956                 
957                     var M = now.getUTCMinutes();
958                     if (M < 10) M = '0' + M;
959                 
960                     var S = now.getUTCSeconds();
961                     if (S < 10) S = '0' + S;
962                 
963                     var stamp = '' + y + m + d + H + M + S + '.0';
964                     var f = $scope.record.field('005',true)[0];
965                     if (f) {
966                         f.data = stamp;
967                     } else {
968                         $scope.record.insertOrderedFields(
969                             new MARC21.Field({
970                                 tag : '005',
971                                 data: stamp
972                             })
973                         );
974                     }
975                 
976                 }
977
978             }
979         ]          
980     }
981 })
982
983 .directive("egMarcEditBibsource", ['$timeout',function ($timeout) {
984     return {
985         restrict: 'E',
986         replace: true,
987         template: '<span class="nullable">'+
988                     '<select class="form-control" ng-model="bib_source" ng-options="s.id() as s.source() for s in bib_sources">'+
989                       '<option value="">Select a Source</option>'+
990                     '</select>'+
991                   '</span>',
992         controller: ['$scope','egCore',
993             function ($scope , egCore) {
994
995                 egCore.pcrud.retrieveAll('cbs', {}, {atomic : true})
996                     .then(function(list) { $scope.bib_sources = list; });
997
998                 $scope.$watch('bib_source',
999                     function(newVal, oldVal) {
1000                         if (newVal !== oldVal) {
1001                             $scope.bre.source(newVal);
1002                         }
1003                     }
1004                 );
1005
1006             }
1007         ]
1008     }
1009 }])
1010
1011 ;