Open-ILS/web/js/dojo/openils/widget/AutoGrid.js

   1 if(!dojo._hasResource['openils.widget.AutoGrid']) {
   2     dojo.provide('openils.widget.AutoGrid');
   3     dojo.require('dojox.grid.DataGrid');
   4     dojo.require('dijit.layout.ContentPane');
   5     dojo.require('openils.widget.AutoWidget');
   6     dojo.require('openils.widget.AutoFieldWidget');
   7     dojo.require('openils.widget.EditPane');
   8     dojo.require('openils.widget.EditDialog');
   9     dojo.require('openils.widget.GridColumnPicker');
  10     dojo.require('openils.Util');
  11
  12     dojo.declare(
  13         'openils.widget.AutoGrid',
  14         [dojox.grid.DataGrid, openils.widget.AutoWidget],
  15         {
  16
  17             /* if true, pop up an edit dialog when user hits Enter on a give row */
  18             editPaneOnSubmit : null,
  19             createPaneOnSubmit : null,
  20             editOnEnter : false,
  21             defaultCellWidth : null,
  22             editStyle : 'dialog',
  23             editReadOnly : false,
  24             suppressFields : null,
  25             suppressEditFields : null,
  26             suppressFilterFields : null,
  27             hideSelector : false,
  28             hideLineNumber : false,
  29             selectorWidth : '1.5',
  30             lineNumberWidth : '1.5',
  31             showColumnPicker : false,
  32             columnPickerPrefix : null,
  33             onStyleRow : function(row) {
  34                 // FIXME: this really feels kludgy (sensitive to how dojo constructs the HTML), and is
  35                 // probably not idiomatic dojo
  36                 if (!this.hideLineNumber) {
  37                     if (this.hideSelector) {
  38                         dojo.addClass(row.node.firstChild.firstChild.firstChild.childNodes[0],'autoGridLineNumber');
  39                     } else {
  40                         dojo.addClass(row.node.firstChild.firstChild.firstChild.childNodes[1],'autoGridLineNumber');
  41                     }
  42                 }
  43             },
  44             displayLimit : 15,
  45             displayOffset : 0,
  46             requiredFields : null,
  47             hidePaginator : false,
  48             showLoadFilter : false,
  49             suppressLinkedFields : null, // list of fields whose linked display data should not be fetched from the server
  50
  51             /* by default, don't show auto-generated (sequence) fields */
  52             showSequenceFields : false,
  53
  54             startup : function() {
  55                 this.selectionMode = 'single';
  56                 this.sequence = openils.widget.AutoGrid.sequence++;
  57                 openils.widget.AutoGrid.gridCache[this.sequence] = this;
  58                 this.inherited(arguments);
  59                 this.initAutoEnv();
  60                 this.attr('structure', this._compileStructure());
  61                 this.setStore(this.buildAutoStore());
  62                 this.cachedQueryOpts = {};
  63                 this._showing_create_pane = false;
  64
  65                 if(this.showColumnPicker) {
  66                     if(!this.columnPickerPrefix) {
  67                         console.error("No columnPickerPrefix defined");
  68                     } else {
  69                         var picker = new openils.widget.GridColumnPicker(
  70                             openils.User.authtoken, this.columnPickerPrefix, this);
  71                         if(openils.User.authtoken) {
  72                             picker.load();
  73                         } else {
  74                             openils.Util.addOnLoad(function() { picker.load() });
  75                         }
  76                     }
  77                 }
  78
  79                 this.overrideEditWidgets = {};
  80                 this.overrideEditWidgetClass = {};
  81                 this.overrideWidgetArgs = {};
  82
  83                 if(this.editOnEnter)
  84                     this._applyEditOnEnter();
  85                 else if(this.singleEditStyle)
  86                     this._applySingleEditStyle();
  87
  88                 if(!this.hideSelector) {
  89                     dojo.connect(this, 'onHeaderCellClick',
  90                         function(e) {
  91                             if(e.cell.index == 0)
  92                                 this.toggleSelectAll();
  93                         }
  94                     );
  95                 }
  96
  97                 if(!this.hidePaginator) {
  98                     var self = this;
  99                     this.paginator = new dijit.layout.ContentPane();
 100
 101
 102                     var back = dojo.create('a', {
 103                         innerHTML : 'Back',  // TODO i18n
 104                         style : 'padding-right:6px;',
 105                         href : 'javascript:void(0);',
 106                         onclick : function() {
 107                             self.cachedQueryOpts.offset = self.displayOffset -= self.displayLimit;
 108                             if(self.displayOffset < 0)
 109                                 self.cachedQueryOpts.offset = self.displayOffset = 0;
 110                             self.refresh();
 111                         }
 112                     });
 113
 114                     var forw = dojo.create('a', {
 115                         innerHTML : 'Next',  // TODO i18n
 116                         style : 'padding-right:6px;',
 117                         href : 'javascript:void(0);',
 118                         onclick : function() {
 119                             self.cachedQueryOpts.offset = self.displayOffset += self.displayLimit;
 120                             self.refresh();
 121                         }
 122                     });
 123
 124                     dojo.place(this.paginator.domNode, this.domNode, 'before');
 125                     dojo.place(back, this.paginator.domNode);
 126                     dojo.place(forw, this.paginator.domNode);
 127
 128                     if(this.showLoadFilter) {
 129                         dojo.require('openils.widget.PCrudFilterDialog');
 130                         dojo.place(
 131                             dojo.create('a', {
 132                                 innerHTML : 'Filter', // TODO i18n
 133                                 style : 'padding-right:6px;',
 134                                 href : 'javascript:void(0);',
 135                                 onclick : function() {
 136                                     if (!self.filterDialog) {
 137                                         self.filterDialog = new openils.widget.PCrudFilterDialog({fmClass:self.fmClass, suppressFilterFields:self.suppressFilterFields})
 138                                         self.filterDialog.onApply = function(filter) {
 139                                             self.resetStore();
 140                                             self.loadAll(self.cachedQueryOpts, filter);
 141                                         };
 142                                         self.filterDialog.startup();
 143                                     }
 144                                     self.filterDialog.show();
 145                                 }
 146                             }),
 147                             this.paginator.domNode
 148                         );
 149                     }
 150
 151                     // progress image
 152                     this.loadProgressIndicator = dojo.create('img', {
 153                         src:'/opac/images/progressbar_green.gif', // TODO configured path
 154                         style:'height:16px;width:16px;'
 155                     });
 156                     dojo.place(this.loadProgressIndicator, this.paginator.domNode);
 157                 }
 158             },
 159
 160             hideLoadProgressIndicator : function() {
 161                 dojo.style(this.loadProgressIndicator, 'visibility', 'hidden');
 162             },
 163
 164             showLoadProgressIndicator : function() {
 165                 dojo.style(this.loadProgressIndicator, 'visibility', 'visible');
 166             },
 167
 168             /* Don't allow sorting on the selector column */
 169             canSort : function(rowIdx) {
 170                 if(rowIdx == 1 && !this.hideSelector)
 171                     return false;
 172                 if(this.hideSelector && rowIdx == 1 && !this.hideLineNumber)
 173                     return false;
 174                 if(!this.hideSelector && rowIdx == 2 && !this.hideLineNumber)
 175                     return false;
 176                 return true;
 177             },
 178
 179             _compileStructure : function() {
 180                 var existing = (this.structure && this.structure[0].cells[0]) ?
 181                     this.structure[0].cells[0] : [];
 182                 var fields = [];
 183
 184                 var self = this;
 185                 function pushEntry(entry) {
 186                     if(self.suppressFields) {
 187                         if(dojo.indexOf(self.suppressFields, entry.field) != -1)
 188                             return;
 189                     }
 190                     if(!entry.get)
 191                         entry.get = openils.widget.AutoGrid.defaultGetter
 192                     if(!entry.width && self.defaultCellWidth)
 193                         entry.width = self.defaultCellWidth;
 194                     fields.push(entry);
 195                 }
 196
 197                 if(!this.hideSelector) {
 198                     // insert the selector column
 199                     pushEntry({
 200                         field : '+selector',
 201                         formatter : function(rowIdx) { return self._formatRowSelectInput(rowIdx); },
 202                         get : function(rowIdx, item) { if(item) return rowIdx; },
 203                         width : this.selectorWidth,
 204                         name : '&#x2713',
 205                         nonSelectable : true
 206                     });
 207                 }
 208
 209                 if(!this.hideLineNumber) {
 210                     // insert the line number column
 211                     pushEntry({
 212                         field : '+lineno',
 213                         get : function(rowIdx, item) { if(item) return 1 + rowIdx; },
 214                         width : this.lineNumberWidth,
 215                         name : '#',
 216                         nonSelectable : false
 217                     });
 218                 }
 219
 220                 if(!this.fieldOrder) {
 221                     /* no order defined, start with any explicit grid fields */
 222                     for(var e in existing) {
 223                         var entry = existing[e];
 224                         var field = this.fmIDL.fields.filter(
 225                             function(i){return (i.name == entry.field)})[0];
 226                         if(field) entry.name = entry.name || field.label;
 227                         pushEntry(entry);
 228                     }
 229                 }
 230
 231                 for(var f in this.sortedFieldList) {
 232                     var field = this.sortedFieldList[f];
 233                     if(!field || field.virtual) continue;
 234
 235                     // field was already added above
 236                     if(fields.filter(function(i){return (i.field == field.name)})[0])
 237                         continue;
 238
 239                     var entry = existing.filter(function(i){return (i.field == field.name)})[0];
 240                     if(entry) {
 241                         entry.name = entry.name || field.label;
 242                     } else {
 243                         // unless specifically requested, hide sequence fields
 244                         if(!this.showSequenceFields && field.name == this.fmIDL.pkey && this.fmIDL.pkey_sequence)
 245                             continue;
 246
 247                         entry = {field:field.name, name:field.label};
 248                     }
 249                     pushEntry(entry);
 250                 }
 251
 252                 if(this.fieldOrder) {
 253                     /* append any explicit non-IDL grid fields to the end */
 254                     for(var e in existing) {
 255                         var entry = existing[e];
 256                         var field = fields.filter(
 257                             function(i){return (i.field == entry.field)})[0];
 258                         if(field) continue; // don't duplicate
 259                         pushEntry(entry);
 260                     }
 261                 }
 262
 263                 return [{cells: [fields]}];
 264             },
 265
 266             toggleSelectAll : function() {
 267                 var selected = this.getSelectedRows();
 268                 for(var i = 0; i < this.rowCount; i++) {
 269                     if(selected[0])
 270                         this.deSelectRow(i);
 271                     else
 272                         this.selectRow(i);
 273                 }
 274             },
 275
 276             getSelectedRows : function() {
 277                 var rows = [];
 278                 dojo.forEach(
 279                     dojo.query('[name=autogrid.selector]', this.domNode),
 280                     function(input) {
 281                         if(input.checked)
 282                             rows.push(input.getAttribute('row'));
 283                     }
 284                 );
 285                 return rows;
 286             },
 287
 288             getFirstSelectedRow : function() {
 289                 return this.getSelectedRows()[0];
 290             },
 291
 292             getSelectedItems : function() {
 293                 var items = [];
 294                 var self = this;
 295                 dojo.forEach(this.getSelectedRows(), function(idx) { items.push(self.getItem(idx)); });
 296                 return items;
 297             },
 298
 299             selectRow : function(rowIdx) {
 300                 var inputs = dojo.query('[name=autogrid.selector]', this.domNode);
 301                 for(var i = 0; i < inputs.length; i++) {
 302                     if(inputs[i].getAttribute('row') == rowIdx) {
 303                         if(!inputs[i].disabled)
 304                             inputs[i].checked = true;
 305                         break;
 306                     }
 307                 }
 308             },
 309
 310             deSelectRow : function(rowIdx) {
 311                 var inputs = dojo.query('[name=autogrid.selector]', this.domNode);
 312                 for(var i = 0; i < inputs.length; i++) {
 313                     if(inputs[i].getAttribute('row') == rowIdx) {
 314                         inputs[i].checked = false;
 315                         break;
 316                     }
 317                 }
 318             },
 319
 320             /**
 321              * @return {Array} List of every fieldmapper object in the data store
 322              */
 323             getAllObjects : function() {
 324                 var objs = [];
 325                 var self = this;
 326                 this.store.fetch({
 327                     onComplete : function(list) {
 328                         dojo.forEach(list,
 329                             function(item) {
 330                                 objs.push(new fieldmapper[self.fmClass]().fromStoreItem(item));
 331                             }
 332                         )
 333                     }
 334                 });
 335                 return objs;
 336             },
 337
 338             /**
 339              * Deletes the underlying object for all selected rows
 340              */
 341             deleteSelected : function() {
 342                 var items = this.getSelectedItems();
 343                 var total = items.length;
 344                 var self = this;
 345                 dojo.require('openils.PermaCrud');
 346                 dojo.forEach(items,
 347                     function(item) {
 348                         var fmObject = new fieldmapper[self.fmClass]().fromStoreItem(item);
 349                         new openils.PermaCrud()['eliminate'](fmObject, {oncomplete : function(r) { self.store.deleteItem(item) }});
 350                     }
 351                 );
 352             },
 353
 354             _formatRowSelectInput : function(rowIdx) {
 355                 if(rowIdx === null || rowIdx === undefined) return '';
 356                 var s = "<input type='checkbox' name='autogrid.selector' row='" + rowIdx + "'";
 357                 if(this.disableSelectorForRow && this.disableSelectorForRow(rowIdx))
 358                     s += " disabled='disabled'";
 359                 return s + "/>";
 360             },
 361
 362             _applySingleEditStyle : function() {
 363                 this.onMouseOverRow = function(e) {};
 364                 this.onMouseOutRow = function(e) {};
 365                 this.onCellFocus = function(cell, rowIndex) {
 366                     this.selection.deselectAll();
 367                     this.selection.select(this.focus.rowIndex);
 368                 };
 369             },
 370
 371             /* capture keydown and launch edit dialog on enter */
 372             _applyEditOnEnter : function() {
 373                 this._applySingleEditStyle();
 374
 375                 dojo.connect(this, 'onRowDblClick',
 376                     function(e) {
 377                         if(this.editStyle == 'pane')
 378                             this._drawEditPane(this.selection.getFirstSelected(), this.focus.rowIndex);
 379                         else
 380                             this._drawEditDialog(this.selection.getFirstSelected(), this.focus.rowIndex);
 381                     }
 382                 );
 383
 384                 dojo.connect(this, 'onKeyDown',
 385                     function(e) {
 386                         if(e.keyCode == dojo.keys.ENTER) {
 387                             this.selection.deselectAll();
 388                             this.selection.select(this.focus.rowIndex);
 389                             if(this.editStyle == 'pane')
 390                                 this._drawEditPane(this.selection.getFirstSelected(), this.focus.rowIndex);
 391                             else
 392                                 this._drawEditDialog(this.selection.getFirstSelected(), this.focus.rowIndex);
 393                         }
 394                     }
 395                 );
 396             },
 397
 398             _makeEditPane : function(storeItem, rowIndex, onPostSubmit, onCancel) {
 399                 var grid = this;
 400                 var fmObject = new fieldmapper[this.fmClass]().fromStoreItem(storeItem);
 401                 var idents = grid.store.getIdentityAttributes();
 402                 var self = this;
 403
 404                 var pane = new openils.widget.EditPane({
 405                     fmObject:fmObject,
 406                     hideSaveButton : this.editReadOnly,
 407                     readOnly : this.editReadOnly,
 408                     overrideWidgets : this.overrideEditWidgets,
 409                     overrideWidgetClass : this.overrideEditWidgetClass,
 410                     overrideWidgetArgs : this.overrideWidgetArgs,
 411                     disableWidgetTest : this.disableWidgetTest,
 412                     requiredFields : this.requiredFields,
 413                     suppressFields : this.suppressEditFields,
 414                     onPostSubmit : function() {
 415                         for(var i in fmObject._fields) {
 416                             var field = fmObject._fields[i];
 417                             if(idents.filter(function(j){return (j == field)})[0])
 418                                 continue; // don't try to edit an identifier field
 419                             grid.store.setValue(storeItem, field, fmObject[field]());
 420                         }
 421                         if(self.onPostUpdate)
 422                             self.onPostUpdate(storeItem, rowIndex);
 423                         setTimeout(
 424                             function(){
 425                                 try {
 426                                     grid.views.views[0].getCellNode(rowIndex, 0).focus();
 427                                 } catch (E) {}
 428                             },200
 429                         );
 430                         if(onPostSubmit)
 431                             onPostSubmit();
 432                     },
 433                     onCancel : function() {
 434                         setTimeout(function(){
 435                             grid.views.views[0].getCellNode(rowIndex, 0).focus();},200);
 436                         if(onCancel) onCancel();
 437                     }
 438                 });
 439
 440                 if (typeof this.editPaneOnSubmit == "function")
 441                     pane.onSubmit = this.editPaneOnSubmit;
 442                 pane.fieldOrder = this.fieldOrder;
 443                 pane.mode = 'update';
 444                 return pane;
 445             },
 446
 447             _makeCreatePane : function(onPostSubmit, onCancel) {
 448                 var grid = this;
 449                 var pane = new openils.widget.EditPane({
 450                     fmClass : this.fmClass,
 451                     overrideWidgets : this.overrideEditWidgets,
 452                     overrideWidgetClass : this.overrideEditWidgetClass,
 453                     overrideWidgetArgs : this.overrideWidgetArgs,
 454                     disableWidgetTest : this.disableWidgetTest,
 455                     requiredFields : this.requiredFields,
 456                     suppressFields : this.suppressEditFields,
 457                     onPostSubmit : function(req, cudResults) {
 458                         var fmObject = cudResults[0];
 459                         if(grid.onPostCreate)
 460                             grid.onPostCreate(fmObject);
 461                         if(fmObject)
 462                             grid.store.newItem(fmObject.toStoreItem());
 463                         setTimeout(function(){
 464                             try {
 465                                 grid.selection.select(grid.rowCount-1);
 466                                 grid.views.views[0].getCellNode(grid.rowCount-1, 1).focus();
 467                             } catch (E) {}
 468                         },200);
 469                         if(onPostSubmit)
 470                             onPostSubmit(fmObject);
 471                     },
 472                     onCancel : function() {
 473                         if(onCancel) onCancel();
 474                     }
 475                 });
 476                 if (typeof this.createPaneOnSubmit == "function")
 477                     pane.onSubmit = this.createPaneOnSubmit;
 478                 pane.fieldOrder = this.fieldOrder;
 479                 pane.mode = 'create';
 480                 return pane;
 481             },
 482
 483             /**
 484              * Creates an EditPane with a copy of the data from the provided store
 485              * item for cloning said item
 486              * @param {Object} storeItem Dojo data item
 487              * @param {Number} rowIndex The Grid row index of the item to be cloned
 488              * @param {Function} onPostSubmit Optional callback for post-submit behavior
 489              * @param {Function} onCancel Optional callback for clone cancelation
 490              * @return {Object} The clone EditPane
 491              */
 492             _makeClonePane : function(storeItem, rowIndex, onPostSubmit, onCancel) {
 493                 var clonePane = this._makeCreatePane(onPostSubmit, onCancel);
 494                 var origPane = this._makeEditPane(storeItem, rowIndex);
 495                 clonePane.startup();
 496                 origPane.startup();
 497                 dojo.forEach(origPane.fieldList,
 498                     function(field) {
 499                         if(field.widget.widget.attr('disabled')) return;
 500                         var w = clonePane.fieldList.filter(
 501                             function(i) { return (i.name == field.name) })[0];
 502                         w.widget.baseWidgetValue(field.widget.widget.attr('value')); // sync widgets
 503                         w.widget.onload = function(){w.widget.baseWidgetValue(field.widget.widget.attr('value'))}; // async widgets
 504                     }
 505                 );
 506                 origPane.destroy();
 507                 return clonePane;
 508             },
 509
 510
 511             _drawEditDialog : function(storeItem, rowIndex) {
 512                 var self = this;
 513                 var done = function() { self.hideDialog(); };
 514                 var pane = this._makeEditPane(storeItem, rowIndex, done, done);
 515                 this.editDialog = new openils.widget.EditDialog({editPane:pane});
 516                 this.editDialog.startup();
 517                 this.editDialog.show();
 518             },
 519
 520             /**
 521              * Generates an EditDialog for object creation and displays it to the user
 522              */
 523             showCreateDialog : function() {
 524                 var self = this;
 525                 var done = function() { self.hideDialog(); };
 526                 var pane = this._makeCreatePane(done, done);
 527                 this.editDialog = new openils.widget.EditDialog({editPane:pane});
 528                 this.editDialog.startup();
 529                 this.editDialog.show();
 530             },
 531
 532             _drawEditPane : function(storeItem, rowIndex) {
 533                 var self = this;
 534                 var done = function() { self.hidePane(); };
 535                 dojo.style(this.domNode, 'display', 'none');
 536                 this.editPane = this._makeEditPane(storeItem, rowIndex, done, done);
 537                 this.editPane.startup();
 538                 this.domNode.parentNode.insertBefore(this.editPane.domNode, this.domNode);
 539                 if(this.onEditPane) this.onEditPane(this.editPane);
 540             },
 541
 542             showClonePane : function(onPostSubmit) {
 543                 var self = this;
 544                 var done = function() { self.hidePane(); };
 545
 546
 547                 var row = this.getFirstSelectedRow();
 548                 if(!row) return;
 549
 550                 var postSubmit = (onPostSubmit) ?
 551                     function(result) { onPostSubmit(self.getItem(row), result); self.hidePane(); } :
 552                     done;
 553
 554                 dojo.style(this.domNode, 'display', 'none');
 555                 this.editPane = this._makeClonePane(this.getItem(row), row, postSubmit, done);
 556                 this.domNode.parentNode.insertBefore(this.editPane.domNode, this.domNode);
 557                 if(this.onEditPane) this.onEditPane(this.editPane);
 558             },
 559
 560             showCreatePane : function() {
 561                 if (this._showing_create_pane)
 562                     return;
 563                 this._showing_create_pane = true;
 564
 565                 var self = this;
 566                 var done = function() {
 567                     self._showing_create_pane = false;
 568                     self.hidePane();
 569                 };
 570                 dojo.style(this.domNode, 'display', 'none');
 571                 this.editPane = this._makeCreatePane(done, done);
 572                 this.editPane.startup();
 573                 this.domNode.parentNode.insertBefore(this.editPane.domNode, this.domNode);
 574                 if(this.onEditPane) this.onEditPane(this.editPane);
 575             },
 576
 577             hideDialog : function() {
 578                 this.editDialog.hide();
 579                 this.editDialog.destroy();
 580                 delete this.editDialog;
 581                 this.update();
 582             },
 583
 584             hidePane : function() {
 585                 this.domNode.parentNode.removeChild(this.editPane.domNode);
 586                 this.editPane.destroy();
 587                 delete this.editPane;
 588                 dojo.style(this.domNode, 'display', 'block');
 589                 this.update();
 590             },
 591
 592             resetStore : function() {
 593                 this.setStore(this.buildAutoStore());
 594             },
 595
 596             refresh : function() {
 597                 this.resetStore();
 598                 if (this.dataLoader)
 599                     this.dataLoader()
 600                 else
 601                     this.loadAll(this.cachedQueryOpts, this.cachedQuerySearch);
 602             },
 603
 604             loadAll : function(opts, search) {
 605                 dojo.require('openils.PermaCrud');
 606                 if(this.loadProgressIndicator)
 607                     dojo.style(this.loadProgressIndicator, 'visibility', 'visible');
 608                 var self = this;
 609                 opts = dojo.mixin(
 610                     {limit : this.displayLimit, offset : this.displayOffset},
 611                     opts || {}
 612                 );
 613                 opts = dojo.mixin(opts, {
 614                     async : true,
 615                     streaming : true,
 616                     onresponse : function(r) {
 617                         var item = openils.Util.readResponse(r);
 618                         self.store.newItem(item.toStoreItem());
 619                     },
 620                     oncomplete : function() {
 621                         if(self.loadProgressIndicator)
 622                             dojo.style(self.loadProgressIndicator, 'visibility', 'hidden');
 623                     }
 624                 });
 625
 626                 this.cachedQuerySearch = search;
 627                 this.cachedQueryOpts = opts;
 628                 if(search)
 629                     new openils.PermaCrud().search(this.fmClass, search, opts);
 630                 else
 631                     new openils.PermaCrud().retrieveAll(this.fmClass, opts);
 632             }
 633         }
 634     );
 635
 636     // static ID generater seed
 637     openils.widget.AutoGrid.sequence = 0;
 638     openils.widget.AutoGrid.gridCache = {};
 639
 640     openils.widget.AutoGrid.markupFactory = dojox.grid.DataGrid.markupFactory;
 641
 642     openils.widget.AutoGrid.defaultGetter = function(rowIndex, item) {
 643         if(!item) return '';
 644         if(!this.grid.overrideWidgetArgs[this.field])
 645             this.grid.overrideWidgetArgs[this.field] = {};
 646         var val = this.grid.store.getValue(item, this.field);
 647         var autoWidget = new openils.widget.AutoFieldWidget(dojo.mixin({
 648             fmClass: this.grid.fmClass,
 649             fmField: this.field,
 650             widgetValue : val,
 651             readOnly : true,
 652             forceSync : true, // prevents many simultaneous requests for the same data
 653             suppressLinkedFields : this.grid.suppressLinkedFields
 654         },this.grid.overrideWidgetArgs[this.field]));
 655
 656         autoWidget.build();
 657
 658         /*
 659         // With proper caching, this should not be necessary to prevent grid render flickering
 660         var _this = this;
 661         autoWidget.build(
 662             function(w, ww) {
 663                 try {
 664                     var node = _this.grid.getCell(_this.index).view.getCellNode(rowIndex, _this.index);
 665                     if(node)
 666                         node.innerHTML = ww.getDisplayString();
 667                 } catch(E) {}
 668             }
 669         );
 670         */
 671
 672         return autoWidget.getDisplayString();
 673     };
 674
 675     openils.widget.AutoGrid.orgUnitGetter = function(rowIndex, item) {
 676         if (!item) return "";
 677         return fieldmapper.aou.findOrgUnit(
 678             this.grid.store.getValue(item, this.field)
 679         ).shortname();
 680     };
 681 }
 682