Open-ILS/xul/staff_client/chrome/content/util/list.js

   1 dump('entering util.list.js\n');
   2
   3 if (typeof main == 'undefined') main = {};
   4 util.list = function (id) {
   5
   6         this.node = document.getElementById(id);
   7
   8         if (!this.node) throw('Could not find element ' + id);
   9         switch(this.node.nodeName) {
  10                 case 'listbox' :
  11                 case 'tree' : break;
  12                 case 'richlistbox' :
  13                         throw(this.node.nodeName + ' not yet supported'); break;
  14                 default: throw(this.node.nodeName + ' not supported'); break;
  15         }
  16
  17         JSAN.use('util.error'); this.error = new util.error();
  18
  19         return this;
  20 };
  21
  22 util.list.prototype = {
  23
  24         'row_count' : { 'total' : 0, 'fleshed' : 0 },
  25
  26         'init' : function (params) {
  27
  28                 var obj = this;
  29
  30                 JSAN.use('util.widgets');
  31
  32                 if (typeof params.map_row_to_column == 'function') obj.map_row_to_column = params.map_row_to_column;
  33                 if (typeof params.retrieve_row == 'function') obj.retrieve_row = params.retrieve_row;
  34
  35                 obj.prebuilt = false;
  36                 if (typeof params.prebuilt != 'undefined') obj.prebuilt = params.prebuilt;
  37
  38                 if (typeof params.columns == 'undefined') throw('util.list.init: No columns');
  39                 obj.columns = params.columns;
  40
  41                 switch(obj.node.nodeName) {
  42                         case 'tree' : obj._init_tree(params); break;
  43                         case 'listbox' : obj._init_listbox(params); break;
  44                         default: throw('NYI: Need ._init() for ' + obj.node.nodeName); break;
  45                 }
  46         },
  47
  48         'register_all_fleshed_callback' : function(f) {
  49                 this.on_all_fleshed = f;
  50         },
  51
  52         '_init_tree' : function (params) {
  53                 var obj = this;
  54                 if (this.prebuilt) {
  55
  56                         this.treechildren = this.node.lastChild;
  57
  58                 } else {
  59                         var treecols = document.createElement('treecols');
  60                         this.node.appendChild(treecols);
  61
  62                         for (var i = 0; i < this.columns.length; i++) {
  63                                 var treecol = document.createElement('treecol');
  64                                 for (var j in this.columns[i]) {
  65                                         treecol.setAttribute(j,this.columns[i][j]);
  66                                 }
  67                                 treecols.appendChild(treecol);
  68                                 treecol.addEventListener(
  69                                         'click',
  70                                         function(ev) {
  71                                                 var sortDir = ev.target.getAttribute('sortDir') || 'desc';
  72                                                 if (sortDir == 'desc') sortDir = 'asc'; else sortDir = 'desc';
  73                                                 //alert('sort ' + ev.target.id + ' ' + sortDir);
  74                                                 ev.target.setAttribute('sortDir',sortDir);
  75                                                 obj._sort_tree(ev.target,sortDir);
  76                                         },
  77                                         false
  78                                 );
  79                                 var splitter = document.createElement('splitter');
  80                                 splitter.setAttribute('class','tree-splitter');
  81                                 treecols.appendChild(splitter);
  82                         }
  83
  84                         var treechildren = document.createElement('treechildren');
  85                         this.node.appendChild(treechildren);
  86                         this.treechildren = treechildren;
  87                 }
  88                 if (typeof params.on_select == 'function') {
  89                         this.node.addEventListener(
  90                                 'select',
  91                                 params.on_select,
  92                                 false
  93                         );
  94                 }
  95                 if (typeof params.on_click == 'function') {
  96                         this.node.addEventListener(
  97                                 'click',
  98                                 params.on_click,
  99                                 false
 100                         );
 101                 }
 102                 /*
 103                 this.node.addEventListener(
 104                         'mousemove',
 105                         function(ev) { obj.detect_visible(); },
 106                         false
 107                 );
 108                 */
 109                 this.node.addEventListener(
 110                         'keypress',
 111                         function(ev) { obj.auto_retrieve(); },
 112                         false
 113                 );
 114                 this.node.addEventListener(
 115                         'click',
 116                         function(ev) { obj.auto_retrieve(); },
 117                         false
 118                 );
 119                 window.addEventListener(
 120                         'resize',
 121                         function(ev) { obj.auto_retrieve(); },
 122                         false
 123                 );
 124                 /* FIXME -- find events on scrollbar to trigger this */
 125                 obj.detect_visible_polling();
 126                 /*
 127                 var scrollbar = document.getAnonymousNodes( document.getAnonymousNodes(this.node)[1] )[1];
 128                 var slider = document.getAnonymousNodes( scrollbar )[2];
 129                 alert('scrollbar = ' + scrollbar.nodeName + ' grippy = ' + slider.nodeName);
 130                 scrollbar.addEventListener('click',function(){alert('sb click');},false);
 131                 scrollbar.addEventListener('command',function(){alert('sb command');},false);
 132                 scrollbar.addEventListener('scroll',function(){alert('sb scroll');},false);
 133                 slider.addEventListener('click',function(){alert('slider click');},false);
 134                 slider.addEventListener('command',function(){alert('slider command');},false);
 135                 slider.addEventListener('scroll',function(){alert('slider scroll');},false);
 136                 */
 137                 this.node.addEventListener('scroll',function(){ obj.auto_retrieve(); },false);
 138
 139                 this.restores_columns(params);
 140         },
 141
 142         '_init_listbox' : function (params) {
 143                 if (this.prebuilt) {
 144                 } else {
 145                         var listhead = document.createElement('listhead');
 146                         this.node.appendChild(listhead);
 147
 148                         var listcols = document.createElement('listcols');
 149                         this.node.appendChild(listcols);
 150
 151                         for (var i = 0; i < this.columns.length; i++) {
 152                                 var listheader = document.createElement('listheader');
 153                                 listhead.appendChild(listheader);
 154                                 var listcol = document.createElement('listcol');
 155                                 listcols.appendChild(listcol);
 156                                 for (var j in this.columns[i]) {
 157                                         listheader.setAttribute(j,this.columns[i][j]);
 158                                         listcol.setAttribute(j,this.columns[i][j]);
 159                                 };
 160                         }
 161                 }
 162         },
 163
 164         'save_columns' : function (params) {
 165                 var obj = this;
 166                 switch (this.node.nodeName) {
 167                         case 'tree' : this._save_columns_tree(params); break;
 168                         default: throw('NYI: Need .save_columns() for ' + this.node.nodeName); break;
 169                 }
 170         },
 171
 172         '_save_columns_tree' : function (params) {
 173                 var obj = this;
 174                 try {
 175                         var id = obj.node.getAttribute('id'); if (!id) {
 176                                 alert("FIXME: The columns for this list cannot be saved because the list has no id.");
 177                                 return;
 178                         }
 179                         var my_cols = {};
 180                         var nl = obj.node.getElementsByTagName('treecol');
 181                         for (var i = 0; i < nl.length; i++) {
 182                                 var col = nl[i];
 183                                 var col_id = col.getAttribute('id');
 184                                 if (!col_id) {
 185                                         alert('FIXME: A column in this list does not have an id and cannot be saved');
 186                                         continue;
 187                                 }
 188                                 var col_hidden = col.getAttribute('hidden');
 189                                 var col_width = col.getAttribute('width');
 190                                 var col_ordinal = col.getAttribute('ordinal');
 191                                 my_cols[ col_id ] = { 'hidden' : col_hidden, 'width' : col_width, 'ordinal' : col_ordinal };
 192                         }
 193                         netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
 194                         JSAN.use('util.file'); var file = new util.file('tree_columns_for_'+window.escape(id));
 195                         file.set_object(my_cols);
 196                         file.close();
 197                         alert('Columns saved.');
 198                 } catch(E) {
 199                         obj.error.standard_unexpected_error_alert('_save_columns_tree',E);
 200                 }
 201         },
 202
 203         'restores_columns' : function (params) {
 204                 var obj = this;
 205                 switch (this.node.nodeName) {
 206                         case 'tree' : this._restores_columns_tree(params); break;
 207                         default: throw('NYI: Need .restores_columns() for ' + this.node.nodeName); break;
 208                 }
 209         },
 210
 211         '_restores_columns_tree' : function (params) {
 212                 var obj = this;
 213                 try {
 214                         var id = obj.node.getAttribute('id'); if (!id) {
 215                                 alert("FIXME: The columns for this list cannot be restored because the list has no id.");
 216                                 return;
 217                         }
 218
 219                         netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
 220                         JSAN.use('util.file'); var file = new util.file('tree_columns_for_'+window.escape(id));
 221                         if (file._file.exists()) {
 222                                 var my_cols = file.get_object(); file.close();
 223                                 var nl = obj.node.getElementsByTagName('treecol');
 224                                 for (var i = 0; i < nl.length; i++) {
 225                                         var col = nl[i];
 226                                         var col_id = col.getAttribute('id');
 227                                         if (!col_id) {
 228                                                 alert('FIXME: A column in this list does not have an id and cannot be saved');
 229                                                 continue;
 230                                         }
 231                                         if (typeof my_cols[col_id] != 'undefined') {
 232                                                 col.setAttribute('hidden',my_cols[col_id].hidden);
 233                                                 col.setAttribute('width',my_cols[col_id].width);
 234                                                 col.setAttribute('ordinal',my_cols[col_id].ordinal);
 235                                         } else {
 236                                                 obj.error.sdump('D_ERROR','WARNING: Column ' + col_id + ' did not have a saved state.');
 237                                         }
 238                                 }
 239                         }
 240                 } catch(E) {
 241                         obj.error.standard_unexpected_error_alert('_restore_columns_tree',E);
 242                 }
 243         },
 244
 245         'clear' : function (params) {
 246                 var obj = this;
 247                 switch (this.node.nodeName) {
 248                         case 'tree' : this._clear_tree(params); break;
 249                         case 'listbox' : this._clear_listbox(params); break;
 250                         default: throw('NYI: Need .clear() for ' + this.node.nodeName); break;
 251                 }
 252                 this.error.sdump('D_LIST','Clearing list ' + this.node.getAttribute('id') + '\n');
 253                 this.row_count.total = 0;
 254                 this.row_count.fleshed = 0;
 255                 if (typeof obj.on_all_fleshed == 'function') {
 256                         setTimeout( function() { obj.on_all_fleshed(); }, 0 );
 257                 }
 258         },
 259
 260         '_clear_tree' : function(params) {
 261                 var obj = this;
 262                 if (obj.error.sdump_levels.D_LIST_DUMP_ON_CLEAR) {
 263                         obj.error.sdump('D_LIST_DUMP_ON_CLEAR',obj.dump());
 264                 }
 265                 if (obj.error.sdump_levels.D_LIST_DUMP_WITH_KEYS_ON_CLEAR) {
 266                         obj.error.sdump('D_LIST_DUMP_WITH_KEYS_ON_CLEAR',obj.dump_with_keys());
 267                 }
 268                 while (obj.treechildren.lastChild) obj.treechildren.removeChild( obj.treechildren.lastChild );
 269         },
 270
 271         '_clear_listbox' : function(params) {
 272                 var obj = this;
 273                 var items = [];
 274                 var nl = this.node.getElementsByTagName('listitem');
 275                 for (var i = 0; i < nl.length; i++) {
 276                         items.push( nl[i] );
 277                 }
 278                 for (var i = 0; i < items.length; i++) {
 279                         this.node.removeChild(items[i]);
 280                 }
 281         },
 282
 283         'append' : function (params) {
 284                 var rnode;
 285                 var obj = this;
 286                 switch (this.node.nodeName) {
 287                         case 'tree' : rnode = this._append_to_tree(params); break;
 288                         case 'listbox' : rnode = this._append_to_listbox(params); break;
 289                         default: throw('NYI: Need .append() for ' + this.node.nodeName); break;
 290                 }
 291                 if (rnode && params.attributes) {
 292                         for (var i in params.attributes) {
 293                                 rnode.setAttribute(i,params.attributes[i]);
 294                         }
 295                 }
 296                 this.row_count.total++;
 297                 if (this.row_count.fleshed == this.row_count.total) {
 298                         if (typeof this.on_all_fleshed == 'function') {
 299                                 setTimeout( function() { obj.on_all_fleshed(); }, 0 );
 300                         }
 301                 }
 302                 return rnode;
 303         },
 304
 305         '_append_to_tree' : function (params) {
 306
 307                 var obj = this;
 308
 309                 if (typeof params.row == 'undefined') throw('util.list.append: Object must contain a row');
 310
 311                 var s = ('util.list.append: params = ' + (params) + '\n');
 312
 313                 var treechildren_node = this.treechildren;
 314
 315                 if (params.node && params.node.nodeName == 'treeitem') {
 316                         params.node.setAttribute('container','true'); /* params.node.setAttribute('open','true'); */
 317                         if (params.node.lastChild.nodeName == 'treechildren') {
 318                                 treechildren_node = params.node.lastChild;
 319                         } else {
 320                                 treechildren_node = document.createElement('treechildren');
 321                                 params.node.appendChild(treechildren_node);
 322                         }
 323                 }
 324
 325                 var treeitem = document.createElement('treeitem');
 326                 treeitem.setAttribute('retrieve_id',params.retrieve_id);
 327                 if (typeof params.to_top == 'undefined') {
 328                         treechildren_node.appendChild( treeitem );
 329                 } else {
 330                         if (treechildren_node.firstChild) {
 331                                 treechildren_node.insertBefore( treeitem, treechildren_node.firstChild );
 332                         } else {
 333                                 treechildren_node.appendChild( treeitem );
 334                         }
 335                 }
 336                 var treerow = document.createElement('treerow');
 337                 treeitem.appendChild( treerow );
 338                 treerow.setAttribute('retrieve_id',params.retrieve_id);
 339
 340                 s += ('tree = ' + this.node + '  treechildren = ' + treechildren_node + '\n');
 341                 s += ('treeitem = ' + treeitem + '  treerow = ' + treerow + '\n');
 342
 343                 if (typeof params.retrieve_row == 'function' || typeof this.retrieve_row == 'function') {
 344
 345                         obj.put_retrieving_label(treerow);
 346                         treerow.addEventListener(
 347                                 'flesh',
 348                                 function() {
 349
 350                                         if (treerow.getAttribute('retrieved') == 'true') return; /* already running */
 351
 352                                         treerow.setAttribute('retrieved','true');
 353
 354                                         //dump('fleshing = ' + params.retrieve_id + '\n');
 355
 356                                         function inc_fleshed() {
 357                                                 if (treerow.getAttribute('fleshed') == 'true') return; /* already fleshed */
 358                                                 treerow.setAttribute('fleshed','true');
 359                                                 obj.row_count.fleshed++;
 360                                                 if (obj.row_count.fleshed == obj.row_count.total) {
 361                                                         if (typeof obj.on_all_fleshed == 'function') {
 362                                                                 setTimeout( function() { obj.on_all_fleshed(); }, 0 );
 363                                                         }
 364                                                 }
 365                                         }
 366
 367                                         params.row_node = treeitem;
 368                                         params.on_retrieve = function(p) {
 369                                                 try {
 370                                                         p.row = params.row;
 371                                                         obj._map_row_to_treecell(p,treerow);
 372                                                         inc_fleshed();
 373                                                 } catch(E) {
 374                                                         alert('fixme2: ' + E);
 375                                                 }
 376                                         }
 377
 378                                         if (typeof params.retrieve_row == 'function') {
 379
 380                                                 params.retrieve_row( params );
 381
 382                                         } else if (typeof obj.retrieve_row == 'function') {
 383
 384                                                         obj.retrieve_row( params );
 385
 386                                         } else {
 387
 388                                                         inc_fleshed();
 389                                         }
 390                                 },
 391                                 false
 392                         );
 393                         /*
 394                         setTimeout(
 395                                 function() {
 396                                         util.widgets.dispatch('flesh',treerow);
 397                                 }, 0
 398                         );
 399                         */
 400                 } else {
 401                         obj.put_retrieving_label(treerow);
 402                         treerow.addEventListener(
 403                                 'flesh',
 404                                 function() {
 405                                         //dump('fleshing anon\n');
 406                                         if (treerow.getAttribute('fleshed') == 'true') return; /* already fleshed */
 407                                         obj._map_row_to_treecell(params,treerow);
 408                                         treerow.setAttribute('retrieved','true');
 409                                         treerow.setAttribute('fleshed','true');
 410                                         obj.row_count.fleshed++;
 411                                         if (obj.row_count.fleshed == obj.row_count.total) {
 412                                                 if (typeof obj.on_all_fleshed == 'function') {
 413                                                         setTimeout( function() { obj.on_all_fleshed(); }, 0 );
 414                                                 }
 415                                         }
 416                                 },
 417                                 false
 418                         );
 419                         /*
 420                         setTimeout(
 421                                 function() {
 422                                         util.widgets.dispatch('flesh',treerow);
 423                                 }, 0
 424                         );
 425                         */
 426                 }
 427                 this.error.sdump('D_LIST',s);
 428
 429                 setTimeout( function() { obj.auto_retrieve(); }, 0 );
 430
 431                 return treeitem;
 432         },
 433
 434         'put_retrieving_label' : function(treerow) {
 435                 var obj = this;
 436                 try {
 437                         /*
 438                         var cols_idx = 0;
 439                         dump('put_retrieving_label.  columns = ' + js2JSON(obj.columns) + '\n');
 440                         while( obj.columns[cols_idx] && obj.columns[cols_idx].hidden && obj.columns[cols_idx].hidden == 'true') {
 441                                 dump('\t' + cols_idx);
 442                                 var treecell = document.createElement('treecell');
 443                                 treerow.appendChild(treecell);
 444                                 cols_idx++;
 445                         }
 446                         */
 447                         for (var i = 0; i < obj.columns.length; i++) {
 448                         var treecell = document.createElement('treecell'); treecell.setAttribute('label','Retrieving...');
 449                         treerow.appendChild(treecell);
 450                         }
 451                         /*
 452                         dump('\t' + cols_idx + '\n');
 453                         */
 454                 } catch(E) {
 455                         alert(E);
 456                 }
 457         },
 458
 459         'detect_visible' : function() {
 460                 var obj = this;
 461                 try {
 462                         //dump('detect_visible  obj.node = ' + obj.node + '\n');
 463                         /* FIXME - this is a hack.. if the implementation of tree changes, this could break */
 464                         try {
 465                                 var scrollbar = document.getAnonymousNodes( document.getAnonymousNodes(obj.node)[1] )[1];
 466                                 var curpos = scrollbar.getAttribute('curpos');
 467                                 var maxpos = scrollbar.getAttribute('maxpos');
 468                                 //alert('curpos = ' + curpos + ' maxpos = ' + maxpos + ' obj.curpos = ' + obj.curpos + ' obj.maxpos = ' + obj.maxpos + '\n');
 469                                 if ((curpos != obj.curpos) || (maxpos != obj.maxpos)) {
 470                                         if ( obj.auto_retrieve() > 0 ) {
 471                                                 obj.curpos = curpos; obj.maxpos = maxpos;
 472                                         }
 473                                 }
 474                         } catch(E) {
 475                                 obj.error.sdump('D_XULRUNNER', 'List implementation changed? ' + E);
 476                         }
 477                 } catch(E) { obj.error.sdump('D_ERROR',E); }
 478         },
 479
 480         'detect_visible_polling' : function() {
 481                 try {
 482                         //alert('detect_visible_polling');
 483                         var obj = this;
 484                         obj.detect_visible();
 485                         setTimeout(function() { try { obj.detect_visible_polling(); } catch(E) { alert(E); } },2000);
 486                 } catch(E) {
 487                         alert(E);
 488                 }
 489         },
 490
 491
 492         'auto_retrieve' : function(params) {
 493                 var obj = this;
 494                 switch (this.node.nodeName) {
 495                         case 'tree' : obj._auto_retrieve_tree(params); break;
 496                         default: throw('NYI: Need .auto_retrieve() for ' + obj.node.nodeName); break;
 497                 }
 498         },
 499
 500         '_auto_retrieve_tree' : function (params) {
 501                 var obj = this;
 502                 if (!obj.auto_retrieve_in_progress) {
 503                         obj.auto_retrieve_in_progress = true;
 504                         setTimeout(
 505                                 function() {
 506                                         try {
 507                                                         //alert('auto_retrieve\n');
 508                                                         var count = 0;
 509                                                         var startpos = obj.node.treeBoxObject.getFirstVisibleRow();
 510                                                         var endpos = obj.node.treeBoxObject.getLastVisibleRow();
 511                                                         if (startpos > endpos) endpos = obj.node.treeBoxObject.getPageLength();
 512                                                         //dump('startpos = ' + startpos + ' endpos = ' + endpos + '\n');
 513                                                         for (var i = startpos; i < endpos + 4; i++) {
 514                                                                 try {
 515                                                                         //dump('trying index ' + i + '\n');
 516                                                                         var item = obj.node.contentView.getItemAtIndex(i).firstChild;
 517                                                                         if (item && item.getAttribute('retrieved') != 'true' ) {
 518                                                                                 //dump('\tgot an unfleshed item = ' + item + ' = ' + item.nodeName + '\n');
 519                                                                                 util.widgets.dispatch('flesh',item); count++;
 520                                                                         }
 521                                                                 } catch(E) {
 522                                                                         //dump(i + ' : ' + E + '\n');
 523                                                                 }
 524                                                         }
 525                                                         obj.auto_retrieve_in_progress = false;
 526                                                         return count;
 527                                         } catch(E) { alert(E); }
 528                                 }, 1
 529                         );
 530                 }
 531         },
 532
 533         'full_retrieve' : function(params) {
 534                 var obj = this;
 535                 switch (this.node.nodeName) {
 536                         case 'tree' : obj._full_retrieve_tree(params); break;
 537                         default: throw('NYI: Need .full_retrieve() for ' + obj.node.nodeName); break;
 538                 }
 539         },
 540
 541         '_full_retrieve_tree' : function(params) {
 542                 var obj = this;
 543                 try {
 544                         if (obj.row_count.total == obj.row_count.fleshed) {
 545                                 //alert('Full retrieve... tree seems to be in sync\n' + js2JSON(obj.row_count));
 546                                 if (typeof obj.on_all_fleshed == 'function') {
 547                                         setTimeout( function() { obj.on_all_fleshed(); }, 0 );
 548                                 } else {
 549                                         alert('.full_retrieve called with no callback?');
 550                                 }
 551                         } else {
 552                                 //alert('Full retrieve... syncing tree' + js2JSON(obj.row_count));
 553                                 JSAN.use('util.widgets');
 554                                 var nodes = obj.treechildren.childNodes;
 555                                 for (var i = 0; i < nodes.length; i++) {
 556                                         util.widgets.dispatch('flesh',nodes[i].firstChild);
 557                                 }
 558                         }
 559                 } catch(E) {
 560                         obj.error.standard_unexpected_error_alert('_full_retrieve_tree',E);
 561                 }
 562         },
 563
 564         '_append_to_listbox' : function (params) {
 565
 566                 var obj = this;
 567
 568                 if (typeof params.row == 'undefined') throw('util.list.append: Object must contain a row');
 569
 570                 var s = ('util.list.append: params = ' + (params) + '\n');
 571
 572                 var listitem = document.createElement('listitem');
 573
 574                 s += ('listbox = ' + this.node + '  listitem = ' + listitem + '\n');
 575
 576                 if (typeof params.retrieve_row == 'function' || typeof this.retrieve_row == 'function') {
 577
 578                         setTimeout(
 579                                 function() {
 580                                         listitem.setAttribute('retrieve_id',params.retrieve_id);
 581                                         //FIXME//Make async and fire when row is visible in list
 582                                         var row;
 583
 584                                         params.row_node = listitem;
 585                                         params.on_retrieve = function(row) {
 586                                                 params.row = row;
 587                                                 obj._map_row_to_listcell(params,listitem);
 588                                                 obj.node.appendChild( listitem );
 589                                         }
 590
 591                                         if (typeof params.retrieve_row == 'function') {
 592
 593                                                 row = params.retrieve_row( params );
 594
 595                                         } else {
 596
 597                                                 if (typeof obj.retrieve_row == 'function') {
 598
 599                                                         row = obj.retrieve_row( params );
 600
 601                                                 }
 602                                         }
 603                                 }, 0
 604                         );
 605                 } else {
 606                         this._map_row_to_listcell(params,listitem);
 607                         this.node.appendChild( listitem );
 608                 }
 609
 610                 this.error.sdump('D_LIST',s);
 611                 return listitem;
 612
 613         },
 614
 615         '_map_row_to_treecell' : function(params,treerow) {
 616                 var obj = this;
 617                 var s = '';
 618                 util.widgets.remove_children(treerow);
 619                 for (var i = 0; i < this.columns.length; i++) {
 620                         var treecell = document.createElement('treecell');
 621                         var label = '';
 622                         if (params.skip_columns && (params.skip_columns.indexOf(i) != -1)) {
 623                                 treecell.setAttribute('label',label);
 624                                 treerow.appendChild( treecell );
 625                                 s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
 626                                 continue;
 627                         }
 628                         if (params.skip_all_columns_except && (params.skip_all_columns_except.indexOf(i) == -1)) {
 629                                 treecell.setAttribute('label',label);
 630                                 treerow.appendChild( treecell );
 631                                 s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
 632                                 continue;
 633                         }
 634                         if (typeof params.map_row_to_column == 'function')  {
 635
 636                                 label = params.map_row_to_column(params.row,this.columns[i]);
 637
 638                         } else {
 639
 640                                 if (typeof this.map_row_to_column == 'function') {
 641
 642                                         label = this.map_row_to_column(params.row,this.columns[i]);
 643
 644                                 } else {
 645
 646                                         throw('No map_row_to_column function');
 647
 648                                 }
 649                         }
 650                         treecell.setAttribute('label',label);
 651                         treerow.appendChild( treecell );
 652                         s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
 653                 }
 654                 this.error.sdump('D_LIST',s);
 655         },
 656
 657         '_map_row_to_listcell' : function(params,listitem) {
 658                 var obj = this;
 659                 var s = '';
 660                 for (var i = 0; i < this.columns.length; i++) {
 661                         var value = '';
 662                         if (typeof params.map_row_to_column == 'function')  {
 663
 664                                 value = params.map_row_to_column(params.row,this.columns[i]);
 665
 666                         } else {
 667
 668                                 if (typeof this.map_row_to_column == 'function') {
 669
 670                                         value = this.map_row_to_column(params.row,this.columns[i]);
 671                                 }
 672                         }
 673                         if (typeof value == 'string' || typeof value == 'number') {
 674                                 var listcell = document.createElement('listcell');
 675                                 listcell.setAttribute('label',value);
 676                                 listitem.appendChild(listcell);
 677                                 s += ('listcell = ' + listcell + ' with label = ' + value + '\n');
 678                         } else {
 679                                 listitem.appendChild(value);
 680                                 s += ('listcell = ' + value + ' is really a ' + value.nodeName + '\n');
 681                         }
 682                 }
 683                 this.error.sdump('D_LIST',s);
 684         },
 685
 686         'select_all' : function(params) {
 687                 var obj = this;
 688                 switch(this.node.nodeName) {
 689                         case 'tree' : return this._select_all_from_tree(params); break;
 690                         default: throw('NYI: Need ._select_all_from_() for ' + this.node.nodeName); break;
 691                 }
 692         },
 693
 694         '_select_all_from_tree' : function(params) {
 695                 var obj = this;
 696                 this.node.view.selection.selectAll();
 697         },
 698
 699         'retrieve_selection' : function(params) {
 700                 var obj = this;
 701                 switch(this.node.nodeName) {
 702                         case 'tree' : return this._retrieve_selection_from_tree(params); break;
 703                         default: throw('NYI: Need ._retrieve_selection_from_() for ' + this.node.nodeName); break;
 704                 }
 705         },
 706
 707         '_retrieve_selection_from_tree' : function(params) {
 708                 var obj = this;
 709                 var list = [];
 710                 var start = new Object();
 711                 var end = new Object();
 712                 var numRanges = this.node.view.selection.getRangeCount();
 713                 for (var t=0; t<numRanges; t++){
 714                         this.node.view.selection.getRangeAt(t,start,end);
 715                         for (var v=start.value; v<=end.value; v++){
 716                                 var i = this.node.contentView.getItemAtIndex(v);
 717                                 list.push( i );
 718                         }
 719                 }
 720                 return list;
 721         },
 722
 723         'dump' : function(params) {
 724                 var obj = this;
 725                 switch(this.node.nodeName) {
 726                         case 'tree' : return this._dump_tree(params); break;
 727                         default: throw('NYI: Need .dump() for ' + this.node.nodeName); break;
 728                 }
 729         },
 730
 731         '_dump_tree' : function(params) {
 732                 var obj = this;
 733                 var dump = [];
 734                 for (var i = 0; i < this.treechildren.childNodes.length; i++) {
 735                         var row = [];
 736                         var treeitem = this.treechildren.childNodes[i];
 737                         var treerow = treeitem.firstChild;
 738                         for (var j = 0; j < treerow.childNodes.length; j++) {
 739                                 row.push( treerow.childNodes[j].getAttribute('label') );
 740                         }
 741                         dump.push( row );
 742                 }
 743                 return dump;
 744         },
 745
 746         'dump_with_keys' : function(params) {
 747                 var obj = this;
 748                 switch(this.node.nodeName) {
 749                         case 'tree' : return this._dump_tree_with_keys(params); break;
 750                         default: throw('NYI: Need .dump_with_keys() for ' + this.node.nodeName); break;
 751                 }
 752
 753         },
 754
 755         '_dump_tree_with_keys' : function(params) {
 756                 var obj = this;
 757                 var dump = [];
 758                 for (var i = 0; i < this.treechildren.childNodes.length; i++) {
 759                         var row = {};
 760                         var treeitem = this.treechildren.childNodes[i];
 761                         var treerow = treeitem.firstChild;
 762                         for (var j = 0; j < treerow.childNodes.length; j++) {
 763                                 row[ obj.columns[j].id ] = treerow.childNodes[j].getAttribute('label');
 764                         }
 765                         dump.push( row );
 766                 }
 767                 return dump;
 768         },
 769
 770         'dump_selected_with_keys' : function(params) {
 771                 var obj = this;
 772                 switch(this.node.nodeName) {
 773                         case 'tree' : return this._dump_tree_selection_with_keys(params); break;
 774                         default: throw('NYI: Need .dump_selection_with_keys() for ' + this.node.nodeName); break;
 775                 }
 776
 777         },
 778
 779         '_dump_tree_selection_with_keys' : function(params) {
 780                 var obj = this;
 781                 var dump = [];
 782                 var list = obj._retrieve_selection_from_tree();
 783                 for (var i = 0; i < list.length; i++) {
 784                         var row = {};
 785                         var treeitem = list[i];
 786                         var treerow = treeitem.firstChild;
 787                         for (var j = 0; j < treerow.childNodes.length; j++) {
 788                                 var value = treerow.childNodes[j].getAttribute('label');
 789                                 //FIXME
 790                                 //if (params.skip_hidden_columns) if (obj.node.firstChild.childNodes[j].getAttribute('hidden')) continue;
 791                                 var id = obj.columns[j].id; if (params.labels_instead_of_ids) id = obj.columns[j].label;
 792                                 row[ id ] = value;
 793                         }
 794                         dump.push( row );
 795                 }
 796                 return dump;
 797         },
 798
 799         'clipboard' : function() {
 800                 try {
 801                         var obj = this;
 802                         var dump = obj.dump_selected_with_keys({'skip_hidden_columns':true,'labels_instead_of_ids':true});
 803                         JSAN.use('OpenILS.data'); var data = new OpenILS.data(); data.stash_retrieve();
 804                         data.list_clipboard = dump; data.stash('list_clipboard');
 805                         JSAN.use('util.window'); var win = new util.window();
 806                         win.open(urls.XUL_LIST_CLIPBOARD,'list_clipboard','chrome,resizable,modal');
 807                 } catch(E) {
 808                         this.error.standard_unexpected_error_alert('clipboard',E);
 809                 }
 810         },
 811
 812         'dump_retrieve_ids' : function(params) {
 813                 var obj = this;
 814                 switch(this.node.nodeName) {
 815                         case 'tree' : return this._dump_retrieve_ids_tree(params); break;
 816                         default: throw('NYI: Need .dump_retrieve_ids() for ' + this.node.nodeName); break;
 817                 }
 818         },
 819
 820         '_dump_retrieve_ids_tree' : function(params) {
 821                 var obj = this;
 822                 var dump = [];
 823                 for (var i = 0; i < this.treechildren.childNodes.length; i++) {
 824                         var treeitem = this.treechildren.childNodes[i];
 825                         dump.push( treeitem.getAttribute('retrieve_id') );
 826                 }
 827                 return dump;
 828         },
 829
 830         '_sort_tree' : function(col,sortDir) {
 831                 var obj = this;
 832                 try {
 833                         if (obj.node.getAttribute('no_sort')) {
 834                                 return;
 835                         }
 836                         if (obj.on_all_fleshed) {
 837                                 alert('This list is busy rendering/retrieving data.');
 838                                 return;
 839                         }
 840                         var col_pos;
 841                         for (var i = 0; i < obj.columns.length; i++) {
 842                                 if (obj.columns[i].id == col.id) col_pos = function(a){return a;}(i);
 843                         }
 844                         obj.on_all_fleshed =
 845                                 function() {
 846                                         try {
 847                                                 JSAN.use('util.money');
 848                                                 var rows = [];
 849                                                 var treeitems = obj.treechildren.childNodes;
 850                                                 for (var i = 0; i < treeitems.length; i++) {
 851                                                         var treeitem = treeitems[i];
 852                                                         var treerow = treeitem.firstChild;
 853                                                         var treecell = treerow.childNodes[ col_pos ];
 854                                                         value = ( { 'value' : treecell ? treecell.getAttribute('label') : '', 'node' : treeitem } );
 855                                                         rows.push( value );
 856                                                 }
 857                                                 rows = rows.sort( function(a,b) {
 858                                                         a = a.value; b = b.value;
 859                                                         if (col.getAttribute('sort_type')) {
 860                                                                 switch(col.getAttribute('sort_type')) {
 861                                                                         case 'number' :
 862                                                                                 a = Number(a); b = Number(b);
 863                                                                         break;
 864                                                                         case 'money' :
 865                                                                                 a = util.money.dollars_float_to_cents_integer(a);
 866                                                                                 b = util.money.dollars_float_to_cents_integer(b);
 867                                                                         break;
 868                                                                         case 'title' : /* special case for "a" and "the".  doesn't use marc 245 indicator */
 869                                                                                 a = String( a ).toUpperCase().replace( /^(THE|A)\s+/, '' );
 870                                                                                 b = String( b ).toUpperCase().replace( /^(THE|A)\s+/, '' );
 871                                                                         break;
 872                                                                         default:
 873                                                                                 a = String( a ).toUpperCase();
 874                                                                                 b = String( a ).toUpperCase();
 875                                                                         break;
 876                                                                 }
 877                                                         }
 878                                                         if (a < b) return -1;
 879                                                         if (a > b) return 1;
 880                                                         return 0;
 881                                                 } );
 882                                                 if (sortDir == 'asc') rows = rows.reverse();
 883                                                 while(obj.treechildren.lastChild) obj.treechildren.removeChild( obj.treechildren.lastChild );
 884                                                 for (var i = 0; i < rows.length; i++) {
 885                                                         obj.treechildren.appendChild( rows[i].node );
 886                                                 }
 887                                         } catch(E) {
 888                                                 obj.error.standard_unexpected_error_alert('sorting',E);
 889                                         }
 890                                         setTimeout(function(){ obj.on_all_fleshed = null; },0);
 891                                 }
 892                         obj.full_retrieve();
 893                 } catch(E) {
 894                         obj.error.standard_unexpected_error_alert('pre sorting', E);
 895                 }
 896         },
 897
 898 }
 899 dump('exiting util.list.js\n');