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                                                 alert('FIXME: 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                 treechildren_node.appendChild( treeitem );
 328                 var treerow = document.createElement('treerow');
 329                 treeitem.appendChild( treerow );
 330                 treerow.setAttribute('retrieve_id',params.retrieve_id);
 331
 332                 s += ('tree = ' + this.node + '  treechildren = ' + treechildren_node + '\n');
 333                 s += ('treeitem = ' + treeitem + '  treerow = ' + treerow + '\n');
 334
 335                 if (typeof params.retrieve_row == 'function' || typeof this.retrieve_row == 'function') {
 336
 337                         obj.put_retrieving_label(treerow);
 338                         treerow.addEventListener(
 339                                 'flesh',
 340                                 function() {
 341
 342                                         if (treerow.getAttribute('retrieved') == 'true') return; /* already running */
 343
 344                                         treerow.setAttribute('retrieved','true');
 345
 346                                         //dump('fleshing = ' + params.retrieve_id + '\n');
 347
 348                                         function inc_fleshed() {
 349                                                 if (treerow.getAttribute('fleshed') == 'true') return; /* already fleshed */
 350                                                 treerow.setAttribute('fleshed','true');
 351                                                 obj.row_count.fleshed++;
 352                                                 if (obj.row_count.fleshed == obj.row_count.total) {
 353                                                         if (typeof obj.on_all_fleshed == 'function') {
 354                                                                 setTimeout( function() { obj.on_all_fleshed(); }, 0 );
 355                                                         }
 356                                                 }
 357                                         }
 358
 359                                         params.row_node = treeitem;
 360                                         params.on_retrieve = function(p) {
 361                                                 try {
 362                                                         p.row = params.row;
 363                                                         obj._map_row_to_treecell(p,treerow);
 364                                                         inc_fleshed();
 365                                                 } catch(E) {
 366                                                         alert('fixme2: ' + E);
 367                                                 }
 368                                         }
 369
 370                                         if (typeof params.retrieve_row == 'function') {
 371
 372                                                 params.retrieve_row( params );
 373
 374                                         } else if (typeof obj.retrieve_row == 'function') {
 375
 376                                                         obj.retrieve_row( params );
 377
 378                                         } else {
 379
 380                                                         inc_fleshed();
 381                                         }
 382                                 },
 383                                 false
 384                         );
 385                         /*
 386                         setTimeout(
 387                                 function() {
 388                                         util.widgets.dispatch('flesh',treerow);
 389                                 }, 0
 390                         );
 391                         */
 392                 } else {
 393                         obj.put_retrieving_label(treerow);
 394                         treerow.addEventListener(
 395                                 'flesh',
 396                                 function() {
 397                                         //dump('fleshing anon\n');
 398                                         if (treerow.getAttribute('fleshed') == 'true') return; /* already fleshed */
 399                                         obj._map_row_to_treecell(params,treerow);
 400                                         treerow.setAttribute('retrieved','true');
 401                                         treerow.setAttribute('fleshed','true');
 402                                         obj.row_count.fleshed++;
 403                                         if (obj.row_count.fleshed == obj.row_count.total) {
 404                                                 if (typeof obj.on_all_fleshed == 'function') {
 405                                                         setTimeout( function() { obj.on_all_fleshed(); }, 0 );
 406                                                 }
 407                                         }
 408                                 },
 409                                 false
 410                         );
 411                         /*
 412                         setTimeout(
 413                                 function() {
 414                                         util.widgets.dispatch('flesh',treerow);
 415                                 }, 0
 416                         );
 417                         */
 418                 }
 419                 this.error.sdump('D_LIST',s);
 420
 421                 setTimeout( function() { obj.auto_retrieve(); }, 0 );
 422
 423                 return treeitem;
 424         },
 425
 426         'put_retrieving_label' : function(treerow) {
 427                 var obj = this;
 428                 try {
 429                         /*
 430                         var cols_idx = 0;
 431                         dump('put_retrieving_label.  columns = ' + js2JSON(obj.columns) + '\n');
 432                         while( obj.columns[cols_idx] && obj.columns[cols_idx].hidden && obj.columns[cols_idx].hidden == 'true') {
 433                                 dump('\t' + cols_idx);
 434                                 var treecell = document.createElement('treecell');
 435                                 treerow.appendChild(treecell);
 436                                 cols_idx++;
 437                         }
 438                         */
 439                         for (var i = 0; i < obj.columns.length; i++) {
 440                         var treecell = document.createElement('treecell'); treecell.setAttribute('label','Retrieving...');
 441                         treerow.appendChild(treecell);
 442                         }
 443                         /*
 444                         dump('\t' + cols_idx + '\n');
 445                         */
 446                 } catch(E) {
 447                         alert(E);
 448                 }
 449         },
 450
 451         'detect_visible' : function() {
 452                 var obj = this;
 453                 try {
 454                         //dump('detect_visible  obj.node = ' + obj.node + '\n');
 455                         /* FIXME - this is a hack.. if the implementation of tree changes, this could break */
 456                         var scrollbar = document.getAnonymousNodes( document.getAnonymousNodes(obj.node)[1] )[1];
 457                         var curpos = scrollbar.getAttribute('curpos');
 458                         var maxpos = scrollbar.getAttribute('maxpos');
 459                         //alert('curpos = ' + curpos + ' maxpos = ' + maxpos + ' obj.curpos = ' + obj.curpos + ' obj.maxpos = ' + obj.maxpos + '\n');
 460                         if ((curpos != obj.curpos) || (maxpos != obj.maxpos)) {
 461                                 if ( obj.auto_retrieve() > 0 ) {
 462                                         obj.curpos = curpos; obj.maxpos = maxpos;
 463                                 }
 464                         }
 465                 } catch(E) { obj.error.sdump('D_ERROR',E); }
 466         },
 467
 468         'detect_visible_polling' : function() {
 469                 try {
 470                         //alert('detect_visible_polling');
 471                         var obj = this;
 472                         obj.detect_visible();
 473                         setTimeout(function() { try { obj.detect_visible_polling(); } catch(E) { alert(E); } },2000);
 474                 } catch(E) {
 475                         alert(E);
 476                 }
 477         },
 478
 479
 480         'auto_retrieve' : function(params) {
 481                 var obj = this;
 482                 switch (this.node.nodeName) {
 483                         case 'tree' : obj._auto_retrieve_tree(params); break;
 484                         default: throw('NYI: Need .auto_retrieve() for ' + obj.node.nodeName); break;
 485                 }
 486         },
 487
 488         '_auto_retrieve_tree' : function (params) {
 489                 var obj = this;
 490                 if (!obj.auto_retrieve_in_progress) {
 491                         obj.auto_retrieve_in_progress = true;
 492                         setTimeout(
 493                                 function() {
 494                                         try {
 495                                                         //alert('auto_retrieve\n');
 496                                                         var count = 0;
 497                                                         var startpos = obj.node.treeBoxObject.getFirstVisibleRow();
 498                                                         var endpos = obj.node.treeBoxObject.getLastVisibleRow();
 499                                                         if (startpos > endpos) endpos = obj.node.treeBoxObject.getPageLength();
 500                                                         //dump('startpos = ' + startpos + ' endpos = ' + endpos + '\n');
 501                                                         for (var i = startpos; i < endpos + 4; i++) {
 502                                                                 try {
 503                                                                         //dump('trying index ' + i + '\n');
 504                                                                         var item = obj.node.contentView.getItemAtIndex(i).firstChild;
 505                                                                         if (item && item.getAttribute('retrieved') != 'true' ) {
 506                                                                                 //dump('\tgot an unfleshed item = ' + item + ' = ' + item.nodeName + '\n');
 507                                                                                 util.widgets.dispatch('flesh',item); count++;
 508                                                                         }
 509                                                                 } catch(E) {
 510                                                                         //dump(i + ' : ' + E + '\n');
 511                                                                 }
 512                                                         }
 513                                                         obj.auto_retrieve_in_progress = false;
 514                                                         return count;
 515                                         } catch(E) { alert(E); }
 516                                 }, 1
 517                         );
 518                 }
 519         },
 520
 521         'full_retrieve' : function(params) {
 522                 var obj = this;
 523                 switch (this.node.nodeName) {
 524                         case 'tree' : obj._full_retrieve_tree(params); break;
 525                         default: throw('NYI: Need .full_retrieve() for ' + obj.node.nodeName); break;
 526                 }
 527         },
 528
 529         '_full_retrieve_tree' : function(params) {
 530                 var obj = this;
 531                 try {
 532                         if (obj.row_count.total == obj.row_count.fleshed) {
 533                                 //alert('Full retrieve... tree seems to be in sync\n' + js2JSON(obj.row_count));
 534                                 if (typeof obj.on_all_fleshed == 'function') {
 535                                         setTimeout( function() { obj.on_all_fleshed(); }, 0 );
 536                                 } else {
 537                                         alert('.full_retrieve called with no callback?');
 538                                 }
 539                         } else {
 540                                 //alert('Full retrieve... syncing tree' + js2JSON(obj.row_count));
 541                                 JSAN.use('util.widgets');
 542                                 var nodes = obj.treechildren.childNodes;
 543                                 for (var i = 0; i < nodes.length; i++) {
 544                                         util.widgets.dispatch('flesh',nodes[i].firstChild);
 545                                 }
 546                         }
 547                 } catch(E) {
 548                         obj.error.standard_unexpected_error_alert('_full_retrieve_tree',E);
 549                 }
 550         },
 551
 552         '_append_to_listbox' : function (params) {
 553
 554                 var obj = this;
 555
 556                 if (typeof params.row == 'undefined') throw('util.list.append: Object must contain a row');
 557
 558                 var s = ('util.list.append: params = ' + (params) + '\n');
 559
 560                 var listitem = document.createElement('listitem');
 561
 562                 s += ('listbox = ' + this.node + '  listitem = ' + listitem + '\n');
 563
 564                 if (typeof params.retrieve_row == 'function' || typeof this.retrieve_row == 'function') {
 565
 566                         setTimeout(
 567                                 function() {
 568                                         listitem.setAttribute('retrieve_id',params.retrieve_id);
 569                                         //FIXME//Make async and fire when row is visible in list
 570                                         var row;
 571
 572                                         params.row_node = listitem;
 573                                         params.on_retrieve = function(row) {
 574                                                 params.row = row;
 575                                                 obj._map_row_to_listcell(params,listitem);
 576                                                 obj.node.appendChild( listitem );
 577                                         }
 578
 579                                         if (typeof params.retrieve_row == 'function') {
 580
 581                                                 row = params.retrieve_row( params );
 582
 583                                         } else {
 584
 585                                                 if (typeof obj.retrieve_row == 'function') {
 586
 587                                                         row = obj.retrieve_row( params );
 588
 589                                                 }
 590                                         }
 591                                 }, 0
 592                         );
 593                 } else {
 594                         this._map_row_to_listcell(params,listitem);
 595                         this.node.appendChild( listitem );
 596                 }
 597
 598                 this.error.sdump('D_LIST',s);
 599                 return listitem;
 600
 601         },
 602
 603         '_map_row_to_treecell' : function(params,treerow) {
 604                 var obj = this;
 605                 var s = '';
 606                 util.widgets.remove_children(treerow);
 607                 for (var i = 0; i < this.columns.length; i++) {
 608                         var treecell = document.createElement('treecell');
 609                         var label = '';
 610                         if (params.skip_columns && (params.skip_columns.indexOf(i) != -1)) {
 611                                 treecell.setAttribute('label',label);
 612                                 treerow.appendChild( treecell );
 613                                 s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
 614                                 continue;
 615                         }
 616                         if (params.skip_all_columns_except && (params.skip_all_columns_except.indexOf(i) == -1)) {
 617                                 treecell.setAttribute('label',label);
 618                                 treerow.appendChild( treecell );
 619                                 s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
 620                                 continue;
 621                         }
 622                         if (typeof params.map_row_to_column == 'function')  {
 623
 624                                 label = params.map_row_to_column(params.row,this.columns[i]);
 625
 626                         } else {
 627
 628                                 if (typeof this.map_row_to_column == 'function') {
 629
 630                                         label = this.map_row_to_column(params.row,this.columns[i]);
 631
 632                                 } else {
 633
 634                                         throw('No map_row_to_column function');
 635
 636                                 }
 637                         }
 638                         treecell.setAttribute('label',label);
 639                         treerow.appendChild( treecell );
 640                         s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
 641                 }
 642                 this.error.sdump('D_LIST',s);
 643         },
 644
 645         '_map_row_to_listcell' : function(params,listitem) {
 646                 var obj = this;
 647                 var s = '';
 648                 for (var i = 0; i < this.columns.length; i++) {
 649                         var value = '';
 650                         if (typeof params.map_row_to_column == 'function')  {
 651
 652                                 value = params.map_row_to_column(params.row,this.columns[i]);
 653
 654                         } else {
 655
 656                                 if (typeof this.map_row_to_column == 'function') {
 657
 658                                         value = this.map_row_to_column(params.row,this.columns[i]);
 659                                 }
 660                         }
 661                         if (typeof value == 'string' || typeof value == 'number') {
 662                                 var listcell = document.createElement('listcell');
 663                                 listcell.setAttribute('label',value);
 664                                 listitem.appendChild(listcell);
 665                                 s += ('listcell = ' + listcell + ' with label = ' + value + '\n');
 666                         } else {
 667                                 listitem.appendChild(value);
 668                                 s += ('listcell = ' + value + ' is really a ' + value.nodeName + '\n');
 669                         }
 670                 }
 671                 this.error.sdump('D_LIST',s);
 672         },
 673
 674         'select_all' : function(params) {
 675                 var obj = this;
 676                 switch(this.node.nodeName) {
 677                         case 'tree' : return this._select_all_from_tree(params); break;
 678                         default: throw('NYI: Need ._select_all_from_() for ' + this.node.nodeName); break;
 679                 }
 680         },
 681
 682         '_select_all_from_tree' : function(params) {
 683                 var obj = this;
 684                 this.node.view.selection.selectAll();
 685         },
 686
 687         'retrieve_selection' : function(params) {
 688                 var obj = this;
 689                 switch(this.node.nodeName) {
 690                         case 'tree' : return this._retrieve_selection_from_tree(params); break;
 691                         default: throw('NYI: Need ._retrieve_selection_from_() for ' + this.node.nodeName); break;
 692                 }
 693         },
 694
 695         '_retrieve_selection_from_tree' : function(params) {
 696                 var obj = this;
 697                 var list = [];
 698                 var start = new Object();
 699                 var end = new Object();
 700                 var numRanges = this.node.view.selection.getRangeCount();
 701                 for (var t=0; t<numRanges; t++){
 702                         this.node.view.selection.getRangeAt(t,start,end);
 703                         for (var v=start.value; v<=end.value; v++){
 704                                 var i = this.node.contentView.getItemAtIndex(v);
 705                                 list.push( i );
 706                         }
 707                 }
 708                 return list;
 709         },
 710
 711         'dump' : function(params) {
 712                 var obj = this;
 713                 switch(this.node.nodeName) {
 714                         case 'tree' : return this._dump_tree(params); break;
 715                         default: throw('NYI: Need .dump() for ' + this.node.nodeName); break;
 716                 }
 717         },
 718
 719         '_dump_tree' : function(params) {
 720                 var obj = this;
 721                 var dump = [];
 722                 for (var i = 0; i < this.treechildren.childNodes.length; i++) {
 723                         var row = [];
 724                         var treeitem = this.treechildren.childNodes[i];
 725                         var treerow = treeitem.firstChild;
 726                         for (var j = 0; j < treerow.childNodes.length; j++) {
 727                                 row.push( treerow.childNodes[j].getAttribute('label') );
 728                         }
 729                         dump.push( row );
 730                 }
 731                 return dump;
 732         },
 733
 734         'dump_with_keys' : function(params) {
 735                 var obj = this;
 736                 switch(this.node.nodeName) {
 737                         case 'tree' : return this._dump_tree_with_keys(params); break;
 738                         default: throw('NYI: Need .dump_with_keys() for ' + this.node.nodeName); break;
 739                 }
 740
 741         },
 742
 743         '_dump_tree_with_keys' : function(params) {
 744                 var obj = this;
 745                 var dump = [];
 746                 for (var i = 0; i < this.treechildren.childNodes.length; i++) {
 747                         var row = {};
 748                         var treeitem = this.treechildren.childNodes[i];
 749                         var treerow = treeitem.firstChild;
 750                         for (var j = 0; j < treerow.childNodes.length; j++) {
 751                                 row[ obj.columns[j].id ] = treerow.childNodes[j].getAttribute('label');
 752                         }
 753                         dump.push( row );
 754                 }
 755                 return dump;
 756         },
 757
 758         'dump_selected_with_keys' : function(params) {
 759                 var obj = this;
 760                 switch(this.node.nodeName) {
 761                         case 'tree' : return this._dump_tree_selection_with_keys(params); break;
 762                         default: throw('NYI: Need .dump_selection_with_keys() for ' + this.node.nodeName); break;
 763                 }
 764
 765         },
 766
 767         '_dump_tree_selection_with_keys' : function(params) {
 768                 var obj = this;
 769                 var dump = [];
 770                 var list = obj._retrieve_selection_from_tree();
 771                 for (var i = 0; i < list.length; i++) {
 772                         var row = {};
 773                         var treeitem = list[i];
 774                         var treerow = treeitem.firstChild;
 775                         for (var j = 0; j < treerow.childNodes.length; j++) {
 776                                 var value = treerow.childNodes[j].getAttribute('label');
 777                                 //FIXME
 778                                 //if (params.skip_hidden_columns) if (obj.node.firstChild.childNodes[j].getAttribute('hidden')) continue;
 779                                 var id = obj.columns[j].id; if (params.labels_instead_of_ids) id = obj.columns[j].label;
 780                                 row[ id ] = value;
 781                         }
 782                         dump.push( row );
 783                 }
 784                 return dump;
 785         },
 786
 787         'clipboard' : function() {
 788                 try {
 789                         var obj = this;
 790                         var dump = obj.dump_selected_with_keys({'skip_hidden_columns':true,'labels_instead_of_ids':true});
 791                         JSAN.use('OpenILS.data'); var data = new OpenILS.data(); data.stash_retrieve();
 792                         data.list_clipboard = dump; data.stash('list_clipboard');
 793                         JSAN.use('util.window'); var win = new util.window();
 794                         win.open(urls.XUL_LIST_CLIPBOARD,'list_clipboard','chrome,resizable,modal');
 795                 } catch(E) {
 796                         this.error.standard_unexpected_error_alert('clipboard',E);
 797                 }
 798         },
 799
 800         'dump_retrieve_ids' : function(params) {
 801                 var obj = this;
 802                 switch(this.node.nodeName) {
 803                         case 'tree' : return this._dump_retrieve_ids_tree(params); break;
 804                         default: throw('NYI: Need .dump_retrieve_ids() for ' + this.node.nodeName); break;
 805                 }
 806         },
 807
 808         '_dump_retrieve_ids_tree' : function(params) {
 809                 var obj = this;
 810                 var dump = [];
 811                 for (var i = 0; i < this.treechildren.childNodes.length; i++) {
 812                         var treeitem = this.treechildren.childNodes[i];
 813                         dump.push( treeitem.getAttribute('retrieve_id') );
 814                 }
 815                 return dump;
 816         },
 817
 818         '_sort_tree' : function(col,sortDir) {
 819                 var obj = this;
 820                 try {
 821                         if (obj.node.getAttribute('no_sort')) {
 822                                 return;
 823                         }
 824                         if (obj.on_all_fleshed) {
 825                                 alert('This list is busy rendering/retrieving data.');
 826                                 return;
 827                         }
 828                         var col_pos;
 829                         for (var i = 0; i < obj.columns.length; i++) {
 830                                 if (obj.columns[i].id == col.id) col_pos = function(a){return a;}(i);
 831                         }
 832                         obj.on_all_fleshed =
 833                                 function() {
 834                                         try {
 835                                                 JSAN.use('util.money');
 836                                                 var rows = [];
 837                                                 var treeitems = obj.treechildren.childNodes;
 838                                                 for (var i = 0; i < treeitems.length; i++) {
 839                                                         var treeitem = treeitems[i];
 840                                                         var treerow = treeitem.firstChild;
 841                                                         var treecell = treerow.childNodes[ col_pos ];
 842                                                         //alert('treeitem = ' + treeitem.nodeName + ' treeitem.childNodes.length = ' + treeitem.childNodes.length + ' treerow = ' + treerow.nodeName + ' treerow.childNodes.length = ' + treerow.childNodes.length + ' col_pos = ' + col_pos + ' treecell = ' + treecell);
 843                                                         value = ( { 'value' : treecell ? treecell.getAttribute('label') : '', 'node' : treeitem } );
 844                                                         //alert('value = ' + value.value + ' node = ' + value.node);
 845                                                         rows.push( value );
 846                                                 }
 847                                                 rows = rows.sort( function(a,b) {
 848                                                         a = a.value; b = b.value;
 849                                                         if (col.getAttribute('sort_type')) {
 850                                                                 switch(col.getAttribute('sort_type')) {
 851                                                                         case 'number' :
 852                                                                                 a = Number(a); b = Number(b);
 853                                                                         break;
 854                                                                         case 'money' :
 855                                                                                 a = util.money.dollars_float_to_cents_integer(a);
 856                                                                                 b = util.money.dollars_float_to_cents_integer(b);
 857                                                                         break;
 858                                                                 }
 859                                                         }
 860                                                         if (a < b) return -1;
 861                                                         if (a > b) return 1;
 862                                                         return 0;
 863                                                 } );
 864                                                 if (sortDir == 'asc') rows = rows.reverse();
 865                                                 while(obj.treechildren.lastChild) obj.treechildren.removeChild( obj.treechildren.lastChild );
 866                                                 for (var i = 0; i < rows.length; i++) {
 867                                                         obj.treechildren.appendChild( rows[i].node );
 868                                                 }
 869                                         } catch(E) {
 870                                                 obj.error.standard_unexpected_error_alert('sorting',E);
 871                                         }
 872                                         setTimeout(function(){ obj.on_all_fleshed = null; },0);
 873                                 }
 874                         obj.full_retrieve();
 875                 } catch(E) {
 876                         obj.error.standard_unexpected_error_alert('pre sorting', E);
 877                 }
 878         },
 879
 880 }
 881 dump('exiting util.list.js\n');