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, $document) {
  36     return {
  37         restrict: 'E',
  38         replace: true,
  39         template: '<input '+
  40                       'style="font-family: \'Lucida Console\', Monaco, monospace;" '+
  41                       'ng-model="content" '+
  42                       'size="{{content.length * 1.1}}" '+
  43                       'maxlength="{{max}}" '+
  44                       'class="" '+
  45                       'type="text" '+
  46                   '/>',
  47         scope: {
  48             field: '=',
  49             onKeydown: '=',
  50             subfield: '=',
  51             content: '=',
  52             contextItemContainer: '@',
  53             max: '@',
  54             itype: '@'
  55         },
  56         controller : ['$scope',
  57             function ( $scope ) {
  58
  59 /* XXX Example, for testing.  We'll get this from the tag-table services for realz
  60  *
  61                 if (!$scope.contextItemContainer) {
  62                     $scope.contextItemContainer = "default_context";
  63                     $scope[$scope.contextItemContainer] = [
  64                         { value: 'a' },
  65                         { value: 'b' },
  66                         { value: 'c' },
  67                     ];
  68                 }
  69
  70  *
  71  */
  72
  73                 if ($scope.contextItemContainer)
  74                     $scope.item_container = $scope[$scope.contextItemContainer];
  75
  76                 $scope.showContext = function (event) {
  77                     if ($scope.context_menu_element) {
  78                         console.log('Reshowing context menu...');
  79                         $($scope.context_menu_element).css({ display: 'block', top: event.pageY, left: event.pageX });
  80                         $('body').on('click.context_menu',function() {
  81                             $($scope.context_menu_element).css('display','none');
  82                             $('body').off('click.context_menu');
  83                         });
  84                         return false;
  85                     }
  86
  87                     if (angular.isArray($scope.item_container)) { // we have a list of values or transforms
  88                         console.log('Showing context menu...');
  89
  90                         var tmpl =
  91                             '<ul class="dropdown-menu" role="menu">'+
  92                                 '<eg-context-menu-item ng-repeat="item in item_container" item="item" content="content"/>'+
  93                             '</ul>';
  94
  95                         var tnode = angular.element(tmpl);
  96                         $document.find('body').append(tnode);
  97
  98                         $(tnode).css({
  99                             display: 'block',
 100                             top: event.pageY,
 101                             left: event.pageX
 102                         });
 103
 104                         $scope.context_menu_element = tnode;
 105
 106                         $timeout(function() {
 107                             var e = $compile(tnode)($scope);
 108                         }, 0);
 109
 110
 111                         $('body').on('click.context_menu',function() {
 112                             $(tnode).css('display','none');
 113                             $('body').off('click.context_menu');
 114                         });
 115
 116                         return false;
 117                     }
 118
 119                     return true;
 120                 }
 121
 122             }
 123         ],
 124         link: function (scope, element, attrs) {
 125
 126             if (scope.onKeydown) element.bind('keydown', {scope : scope}, scope.onKeydown);
 127
 128             element.bind('change', function (e) { element.size = scope.max || parseInt(scope.content.length * 1.1) });
 129
 130             if (scope.contextItemContainer && angular.isArray(scope[scope.contextItemContainer]))
 131                 element.bind('contextmenu', scope.showContext);
 132         }
 133     }
 134 }])
 135
 136 .directive("egMarcEditSubfield", function () {
 137     return {
 138         transclude: true,
 139         restrict: 'E',
 140         template: '<span>'+
 141                     '<span><label class="marcedit marcsfcodedelimiter"'+
 142                         'for="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}s{{subfield[2]}}code" '+
 143                         '>‡</label><eg-marc-edit-editable '+
 144                         'itype="sfc" '+
 145                         'class="marcedit marcsf marcsfcode" '+
 146                         'field="field" '+
 147                         'subfield="subfield" '+
 148                         'content="subfield[0]" '+
 149                         'max="1" '+
 150                         'on-keydown="onKeydown" '+
 151                         'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}s{{subfield[2]}}code" '+
 152                     '/></span>'+
 153                     '<span><eg-marc-edit-editable '+
 154                         'itype="sfv" '+
 155                         'class="marcedit marcsf marcsfvalue" '+
 156                         'field="field" '+
 157                         'subfield="subfield" '+
 158                         'content="subfield[1]" '+
 159                         'on-keydown="onKeydown" '+
 160                         'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}s{{subfield[2]}}value" '+
 161                     '/></span>'+
 162                   '</span>',
 163         scope: { field: "=", subfield: "=", onKeydown: '=' },
 164         replace: false
 165     }
 166 })
 167
 168 .directive("egMarcEditInd", function () {
 169     return {
 170         transclude: true,
 171         restrict: 'E',
 172         template: '<span><eg-marc-edit-editable '+
 173                       'itype="ind" '+
 174                       'class="marcedit marcind" '+
 175                       'field="field" '+
 176                       'content="ind" '+
 177                       'max="1" '+
 178                       'on-keydown="onKeydown" '+
 179                       'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}i{{indNumber}}"'+
 180                       '/></span>',
 181         scope: { ind : '=', field: '=', onKeydown: '=', indNumber: '@' },
 182         replace: false,
 183     }
 184 })
 185
 186 .directive("egMarcEditTag", function () {
 187     return {
 188         transclude: true,
 189         restrict: 'E',
 190         template: '<span><eg-marc-edit-editable '+
 191                       'itype="tag" '+
 192                       'class="marcedit marctag" '+
 193                       'field="field" '+
 194                       'content="tag" '+
 195                       'max="3" '+
 196                       'on-keydown="onKeydown" '+
 197                       'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}tag"'+
 198                       '/></span>',
 199         scope: { tag : '=', field: '=', onKeydown: '=' },
 200         replace: false
 201     }
 202 })
 203
 204 .directive("egMarcEditDatafield", function () {
 205     return {
 206         transclude: true,
 207         restrict: 'E',
 208         template: '<div>'+
 209                     '<span><eg-marc-edit-tag field="field" tag="field.tag" on-keydown="onKeydown"/></span>'+
 210                     '<span><eg-marc-edit-ind field="field" ind="field.ind1" on-keydown="onKeydown" ind-number="1"/></span>'+
 211                     '<span><eg-marc-edit-ind field="field" ind="field.ind2" on-keydown="onKeydown" ind-number="2"/></span>'+
 212                     '<span><eg-marc-edit-subfield ng-repeat="subfield in field.subfields" subfield="subfield" field="field" on-keydown="onKeydown"/></span>'+
 213                   '</div>',
 214         scope: { field: "=", onKeydown: '=' }
 215     }
 216 })
 217
 218 .directive("egMarcEditControlfield", function () {
 219     return {
 220         transclude: true,
 221         restrict: 'E',
 222         template: '<div>'+
 223                     '<span><eg-marc-edit-tag field="field" tag="field.tag" on-keydown="onKeydown"/></span>'+
 224                     '<span><eg-marc-edit-editable '+
 225                       'itype="cfld" '+
 226                       'field="field" '+
 227                       'class="marcedit marcdata" '+
 228                       'content="field.data" '+
 229                       'on-keydown="onKeydown" '+
 230                       'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}data"'+
 231                       '/></span>'+
 232                   '</div>',
 233         scope: { field: "=", onKeydown: '=' }
 234     }
 235 })
 236
 237 .directive("egMarcEditLeader", function () {
 238     return {
 239         transclude: true,
 240         restrict: 'E',
 241         template: '<div>'+
 242                     '<span><eg-marc-edit-editable '+
 243                       'class="marcedit marctag" '+
 244                       'content="tag" '+
 245                       'on-keydown="onKeydown" '+
 246                       'id="leadertag" '+
 247                       'disabled="disabled"'+
 248                       '/></span>'+
 249                     '<span><eg-marc-edit-editable '+
 250                       'class="marcedit marcdata" '+
 251                       'itype="ldr" '+
 252                       'max="{{record.leader.length}}" '+
 253                       'content="record.leader" '+
 254                       'id="r{{record.subfield(\'901\',\'c\')[1]}}leaderdata" '+
 255                       'on-keydown="onKeydown"'+
 256                       '/></span>'+
 257                   '</div>',
 258         controller : ['$scope',
 259             function ( $scope ) {
 260                 $scope.tag = 'LDR';
 261             }
 262         ],
 263         scope: { record: "=", onKeydown: '=' }
 264     }
 265 })
 266
 267 /// TODO: fixed field editor and such
 268 .directive("egMarcEditRecord", function () {
 269     return {
 270         template: '<form ng-submit="saveRecord()">'+
 271                   '<div class="marcrecord">'+
 272                     '<div><eg-marc-edit-leader record="record" on-keydown="onKeydown"/></div>'+
 273                     '<div><eg-marc-edit-controlfield '+
 274                         'ng-repeat="field in controlfields" '+
 275                         'field="field" on-keydown="onKeydown"'+
 276                         'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}"'+
 277                         '/></div>'+
 278                     '<div><eg-marc-edit-datafield '+
 279                         'ng-repeat="field in datafields" '+
 280                         'field="field" on-keydown="onKeydown" '+
 281                         'id="r{{field.record.subfield(\'901\',\'c\')[1]}}f{{field.position}}"'+
 282                         '/></div>'+
 283                   '</div>'+
 284                   '<button class="btn btn-default" type="submit">Save</button>'+
 285                   '</form>'+
 286                   '<button class="btn btn-default" ng-click="seeBreaker()">Breaker</button>',
 287         restrict: 'E',
 288         replace: false,
 289         scope: { recordId : '=', maxUndo : '@' },
 290         link: function (scope, element, attrs) {
 291
 292             element.bind('click', function(e) {;
 293                 scope.current_event_target = $(e.target).attr('id');
 294                 if (scope.current_event_target) {
 295                     console.log('Recording click event on ' + scope.current_event_target);
 296                     scope.current_event_target_cursor_pos =
 297                         e.target.selectionDirection=='backward' ?
 298                             e.target.selectionStart :
 299                             e.target.selectionEnd;
 300                 }
 301             });
 302
 303         },
 304         controller : ['$timeout','$scope','egCore',
 305             function ( $timeout , $scope , egCore ) {
 306
 307                 $scope.max_undo = $scope.maxUndo || 100;
 308                 $scope.record_undo_stack = [];
 309                 $scope.record_redo_stack = [];
 310                 $scope.in_undo = false;
 311                 $scope.in_redo = false;
 312                 $scope.record = new MARC.Record();
 313                 $scope.save_stack_depth = 0;
 314                 $scope.controlfields = [];
 315                 $scope.datafields = [];
 316
 317                 $scope.onKeydown = function (event) {
 318                     var event_return = true;
 319
 320                     if (event.which == 89 && event.ctrlKey) { // ctrl+y, redo
 321                         event_return = $scope.processRedo();
 322                     } else if (event.which == 90 && event.ctrlKey) { // ctrl+z, undo
 323                         event_return = $scope.processUndo();
 324                     } else if ((event.which == 68 || event.which == 73) && event.ctrlKey) { // ctrl+d or ctrl+i, insert subfield
 325
 326                         var element = $(event.target);
 327                         var new_sf, index_sf, move_data;
 328
 329                         if (element.hasClass('marcsfvalue')) {
 330                             index_sf = event.data.scope.subfield[2];
 331                             new_sf = index_sf + 1;
 332
 333                             var start = event.target.selectionStart;
 334                             var end = event.target.selectionEnd - event.target.selectionStart ?
 335                                     event.target.selectionEnd :
 336                                     event.target.value.length;
 337
 338                             move_data = event.target.value.substring(start,end);
 339
 340                         } else if (element.hasClass('marcsfcode')) {
 341                             index_sf = event.data.scope.subfield[2];
 342                             new_sf = index_sf + 1;
 343                         } else if (element.hasClass('marctag') || element.hasClass('marcind')) {
 344                             index_sf = 0;
 345                             new_sf = index_sf;
 346                         }
 347
 348                         $scope.current_event_target = 'r' + $scope.recordId +
 349                                                       'f' + event.data.scope.field.position +
 350                                                       's' + new_sf + 'code';
 351
 352                         event.data.scope.field.subfields.forEach(function(sf) {
 353                             if (sf[2] >= new_sf) sf[2]++;
 354                             if (sf[2] == index_sf) sf[1] = event.target.value.substring(0,start) + event.target.value.substring(end);
 355                         });
 356                         event.data.scope.field.subfields.splice(
 357                             new_sf,
 358                             0,
 359                             [' ', move_data, new_sf ]
 360                         );
 361
 362                         $scope.current_event_target_cursor_pos = 0;
 363                         $scope.current_event_target_cursor_pos_end = 1;
 364
 365                         $timeout(function(){$scope.$digest()}).then(setCaret);
 366
 367                         event_return = false;
 368
 369                     } else if (event.which == 13 && event.ctrlKey) { // ctrl+enter, insert datafield
 370
 371                         var element = $(event.target);
 372
 373                         var index_field = event.data.scope.field.position;
 374                         var new_field = index_field + 1;
 375
 376                         event.data.scope.field.record.insertFieldsAfter(
 377                             event.data.scope.field,
 378                             new MARC.Field({
 379                                 record : event.data.scope.field.record,
 380                                 tag : '999',
 381                                 subfields : [[' ','',0]],
 382                                 position : new_field
 383                             })
 384                         );
 385
 386                         $scope.current_event_target = 'r' + $scope.recordId +
 387                                                       'f' + new_field + 'tag';
 388
 389                         $scope.current_event_target_cursor_pos = 0;
 390                         $scope.current_event_target_cursor_pos_end = 3;
 391                         $scope.force_render = true;
 392
 393                         $timeout(function(){$scope.$digest()}).then(setCaret);
 394
 395                         event_return = false;
 396
 397                     } else if (event.which == 46 && event.ctrlKey) { // ctrl+del, remove field
 398
 399                         var del_field = event.data.scope.field.position;
 400
 401                         var domnode = $('#r'+event.data.scope.field.record.subfield('901','c')[1] + 'f' + del_field);
 402
 403                         event.data.scope.field.record.deleteFields(
 404                             event.data.scope.field
 405                         );
 406
 407                         domnode.scope().$destroy();
 408                         domnode.remove();
 409
 410                         $scope.current_event_target = 'r' + $scope.recordId +
 411                                                       'f' + del_field + 'tag';
 412
 413                         $scope.current_event_target_cursor_pos = 0;
 414                         $scope.current_event_target_cursor_pos_end = 0
 415                         $scope.force_render = true;
 416
 417                         $timeout(function(){$scope.$digest()}).then(setCaret);
 418
 419                         event_return = false;
 420
 421                     } else if (event.which == 46 && event.shiftKey && $(event.target).hasClass('marcsf')) { // shift+del, remove subfield
 422
 423                         var sf = event.data.scope.subfield[2] - 1;
 424                         if (sf == -1) sf = 0;
 425
 426                         event.data.scope.field.deleteExactSubfields(
 427                             event.data.scope.subfield
 428                         );
 429
 430                         if (!event.data.scope.field.subfields[sf]) {
 431                             $scope.current_event_target = 'r' + $scope.recordId +
 432                                                           'f' + event.data.scope.field.position +
 433                                                           'tag';
 434                         } else {
 435                             $scope.current_event_target = 'r' + $scope.recordId +
 436                                                           'f' + event.data.scope.field.position +
 437                                                           's' + sf + 'value';
 438                         }
 439
 440                         $scope.current_event_target_cursor_pos = 0;
 441                         $scope.current_event_target_cursor_pos_end = 0;
 442                         $scope.force_render = true;
 443
 444                         $timeout(function(){$scope.$digest()}).then(setCaret);
 445
 446                         event_return = false;
 447
 448                     } else { // Assumes only marc editor elements have IDs that can trigger this event handler.
 449                         $scope.current_event_target = $(event.target).attr('id');
 450                         if ($scope.current_event_target) {
 451                             $scope.current_event_target_cursor_pos =
 452                                 event.target.selectionDirection=='backward' ?
 453                                     event.target.selectionStart :
 454                                     event.target.selectionEnd;
 455                         }
 456                     }
 457
 458                     return event_return;
 459                 };
 460
 461                 function setCaret() {
 462                     if ($scope.current_event_target) {
 463                         if (!$scope.current_event_target_cursor_pos_end)
 464                             $scope.current_event_target_cursor_pos_end = $scope.current_event_target_cursor_pos
 465
 466                         var element = $('#'+$scope.current_event_target).get(0);
 467                         if (element) {
 468                             element.focus();
 469                             element.setSelectionRange(
 470                                 $scope.current_event_target_cursor_pos,
 471                                 $scope.current_event_target_cursor_pos_end
 472                             );
 473                             $scope.current_event_target = null;
 474                         }
 475                     }
 476                 }
 477
 478                 function loadRecord() {
 479                     return egCore.pcrud.retrieve(
 480                         'bre', $scope.recordId
 481                     ).then(function(rec) {
 482                         $scope.in_redo = true;
 483                         $scope.bre = rec;
 484                         $scope.record = new MARC.Record({ marcxml : $scope.bre.marc() });
 485                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
 486                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
 487                         $scope.save_stack_depth = $scope.record_undo_stack.length;
 488                     }).then(setCaret);
 489                 }
 490
 491                 $scope.$watch('record.toBreaker()', function (newVal, oldVal) {
 492                     if (!$scope.in_undo && !$scope.in_redo && oldVal != newVal) {
 493                         $scope.record_undo_stack.push({
 494                             breaker: oldVal,
 495                             target: $scope.current_event_target,
 496                             pos: $scope.current_event_target_cursor_pos
 497                         });
 498
 499                         if ($scope.force_render) {
 500                             $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
 501                             $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
 502                             $scope.force_render = false;
 503                         }
 504
 505                         if ($scope.record_undo_stack.length != $scope.save_stack_depth) {
 506                             console.log('should get a listener... does not');
 507                             $('body').on('beforeunload', function(){
 508                                 return 'There is unsaved data in this record.'
 509                             });
 510                         } else {
 511                             $('body').off('beforeunload');
 512                         }
 513                     }
 514
 515                     if ($scope.record_undo_stack.length > $scope.max_undo)
 516                         $scope.record_undo_stack.shift();
 517
 518                     console.log('undo stack is ' + $scope.record_undo_stack.length + ' deep');
 519                     $scope.in_redo = false;
 520                     $scope.in_undo = false;
 521                 });
 522
 523                 $scope.processUndo = function () {
 524                     if ($scope.record_undo_stack.length) {
 525                         $scope.in_undo = true;
 526
 527                         var undo_item = $scope.record_undo_stack.pop();
 528                         $scope.record_redo_stack.push(undo_item);
 529
 530                         $scope.record = new MARC.Record({ marcbreaker : undo_item.breaker });
 531                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
 532                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
 533
 534                         $scope.current_event_target = undo_item.target;
 535                         $scope.current_event_target_cursor_pos = undo_item.pos;
 536                         console.log('Undo targeting ' + $scope.current_event_target + ' position ' + $scope.current_event_target_cursor_pos);
 537
 538                         $timeout(function(){$scope.$digest()}).then(setCaret);
 539                         return false;
 540                     }
 541
 542                     return true;
 543                 };
 544
 545                 $scope.processRedo = function () {
 546                     if ($scope.record_redo_stack.length) {
 547                         $scope.in_redo = true;
 548
 549                         var redo_item = $scope.record_redo_stack.pop();
 550                         $scope.record_undo_stack.push(redo_item);
 551
 552                         $scope.record = new MARC.Record({ marcbreaker : redo_item.breaker });
 553                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
 554                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
 555
 556                         $scope.current_event_target = redo_item.target;
 557                         $scope.current_event_target_cursor_pos = redo_item.pos;
 558                         console.log('Redo targeting ' + $scope.current_event_target + ' position ' + $scope.current_event_target_cursor_pos);
 559
 560                         $timeout(function(){$scope.$digest()}).then(setCaret);
 561                         return false;
 562                     }
 563
 564                     return true;
 565                 };
 566
 567                 $scope.saveRecord = function () {
 568                     $scope.bre.marc($scope.record.toXmlString());
 569                     return egCore.pcrud.update(
 570                         $scope.bre
 571                     ).then(loadRecord);
 572                 };
 573
 574                 $scope.seeBreaker = function () {
 575                     alert($scope.record.toBreaker());
 576                 };
 577
 578                 $scope.$watch('recordId',
 579                     function(newVal, oldVal) {
 580                         if (newVal && newVal !== oldVal) {
 581                             loadRecord();
 582                         }
 583                     }
 584                 );
 585
 586                 if ($scope.recordId)
 587                     loadRecord();
 588
 589             }
 590         ]
 591     }
 592 })
 593
 594 ;