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