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.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 class="marcsfcode"><label class="marcedit"'+
 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" '+
 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 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                 $scope.tag = 'LDR';
 261             }
 262         ],
 263         scope: { record: "=", onKeydown: '=' }
 264     }
 265 })
 266
 267 /// TODO: fixed field editor and such
 268 .directive("egMarcEditRecord", function () {
 269     return {
 270         template: '<form ng-submit="saveRecord()">'+
 271                   '<div class="marcrecord">'+
 272                     '<div><eg-marc-edit-leader record="record" on-keydown="onKeydown"/></div>'+
 273                     '<div><eg-marc-edit-controlfield ng-repeat="field in controlfields" field="field" on-keydown="onKeydown"/></div>'+
 274                     '<div><eg-marc-edit-datafield ng-repeat="field in datafields" field="field" on-keydown="onKeydown"/></div>'+
 275                   '</div>'+
 276                   '<button class="btn btn-default" type="submit">Save</button>'+
 277                   '</form>'+
 278                   '<button class="btn btn-default" ng-click="seeBreaker()">Breaker</button>',
 279         restrict: 'E',
 280         replace: false,
 281         scope: { recordId : '=', maxUndo : '@' },
 282         controller : ['$timeout','$scope','egCore',
 283             function ( $timeout , $scope , egCore ) {
 284
 285                 $scope.max_undo = $scope.maxUndo || 100;
 286                 $scope.record_undo_stack = [];
 287                 $scope.record_redo_stack = [];
 288                 $scope.in_undo = false;
 289                 $scope.in_redo = false;
 290                 $scope.record = new MARC.Record();
 291                 $scope.save_stack_depth = 0;
 292                 $scope.controlfields = [];
 293                 $scope.datafields = [];
 294
 295                 $scope.onKeydown = function (event) {
 296                     var event_return = true;
 297
 298                     if (event.which == 89 && event.ctrlKey) { // ctrl+y, redo
 299                         event_return = $scope.processRedo();
 300                     } else if (event.which == 90 && event.ctrlKey) { // ctrl+z, undo
 301                         event_return = $scope.processUndo();
 302                     } else { // Assumes only marc editor elements have IDs that can trigger this event handler.
 303                         $scope.current_event_target = $(event.target).attr('id');
 304                         if ($scope.current_event_target) {
 305                             $scope.current_event_target_cursor_pos =
 306                                 event.target.selectionDirection=='backward' ?
 307                                     event.target.selectionStart :
 308                                     event.target.selectionEnd;
 309                         }
 310                     }
 311
 312                     return event_return;
 313                 };
 314
 315                 function setCaret() {
 316                     if ($scope.current_event_target) {
 317                         var element = $('#'+$scope.current_event_target).get(0);
 318                         element.focus();
 319                         element.setSelectionRange(
 320                             $scope.current_event_target_cursor_pos,
 321                             $scope.current_event_target_cursor_pos
 322                         );
 323                         $scope.current_event_target = null;
 324                     }
 325                 }
 326
 327                 function loadRecord() {
 328                     return egCore.pcrud.retrieve(
 329                         'bre', $scope.recordId
 330                     ).then(function(rec) {
 331                         $scope.in_redo = true;
 332                         $scope.bre = rec;
 333                         $scope.record = new MARC.Record({ marcxml : $scope.bre.marc() });
 334                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
 335                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
 336                         $scope.save_stack_depth = $scope.record_undo_stack.length;
 337                     }).then(setCaret);
 338                 }
 339
 340                 $scope.$watch('record.toBreaker()', function (newVal, oldVal) {
 341                     if (!$scope.in_undo && !$scope.in_redo && oldVal != newVal) {
 342                         $scope.record_undo_stack.push({
 343                             breaker: oldVal,
 344                             target: $scope.current_event_target,
 345                             pos: $scope.current_event_target_cursor_pos
 346                         });
 347
 348                         if ($scope.record_undo_stack.length != $scope.save_stack_depth) {
 349                             console.log('should get a listener... does not');
 350                             $('body').on('beforeunload', function(){
 351                                 return 'There is unsaved data in this record.'
 352                             });
 353                         } else {
 354                             $('body').off('beforeunload');
 355                         }
 356                     }
 357
 358                     if ($scope.record_undo_stack.length > $scope.max_undo)
 359                         $scope.record_undo_stack.shift();
 360
 361                     console.log('undo stack is ' + $scope.record_undo_stack.length + ' deep');
 362                     $scope.in_redo = false;
 363                     $scope.in_undo = false;
 364                 });
 365
 366                 $scope.processUndo = function () {
 367                     if ($scope.record_undo_stack.length) {
 368                         $scope.in_undo = true;
 369
 370                         var undo_item = $scope.record_undo_stack.pop();
 371                         $scope.record_redo_stack.push(undo_item);
 372
 373                         $scope.record = new MARC.Record({ marcbreaker : undo_item.breaker });
 374                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
 375                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
 376
 377                         $scope.current_event_target = undo_item.target;
 378                         $scope.current_event_target_cursor_pos = undo_item.pos;
 379                         console.log('Undo targeting ' + $scope.current_event_target + ' position ' + $scope.current_event_target_cursor_pos);
 380
 381                         $timeout(function(){$scope.$digest()}).then(setCaret);
 382                         return false;
 383                     }
 384
 385                     return true;
 386                 };
 387
 388                 $scope.processRedo = function () {
 389                     if ($scope.record_redo_stack.length) {
 390                         $scope.in_redo = true;
 391
 392                         var redo_item = $scope.record_redo_stack.pop();
 393                         $scope.record_undo_stack.push(redo_item);
 394
 395                         $scope.record = new MARC.Record({ marcbreaker : redo_item.breaker });
 396                         $scope.controlfields = $scope.record.fields.filter(function(f){ return f.isControlfield() });
 397                         $scope.datafields = $scope.record.fields.filter(function(f){ return !f.isControlfield() });
 398
 399                         $scope.current_event_target = redo_item.target;
 400                         $scope.current_event_target_cursor_pos = redo_item.pos;
 401                         console.log('Redo targeting ' + $scope.current_event_target + ' position ' + $scope.current_event_target_cursor_pos);
 402
 403                         $timeout(function(){$scope.$digest()}).then(setCaret);
 404                         return false;
 405                     }
 406
 407                     return true;
 408                 };
 409
 410                 $scope.saveRecord = function () {
 411                     $scope.bre.marc($scope.record.toXmlString());
 412                     return egCore.pcrud.update(
 413                         $scope.bre
 414                     ).then(loadRecord);
 415                 };
 416
 417                 $scope.seeBreaker = function () {
 418                     alert($scope.record.toBreaker());
 419                 };
 420
 421                 $scope.$watch('recordId',
 422                     function(newVal, oldVal) {
 423                         if (newVal && newVal !== oldVal) {
 424                             loadRecord();
 425                         }
 426                     }
 427                 );
 428
 429                 if ($scope.recordId)
 430                     loadRecord();
 431
 432             }
 433         ]
 434     }
 435 })
 436
 437 ;