Evergreen/staff_client/chrome/content/evergreen/cat/marc.js

   1 dump('loading marc.js\n');
   2
   3 var character_measure = {};
   4 var tree;
   5 var meta;
   6 var backup_tree;
   7
   8 function my_init() {
   9         dump('Entering my_init() : ' + timer_elapsed('cat') + '\n');
  10         dump('TESTING: marc.js: ' + mw.G['main_test_variable'] + '\n');
  11
  12         dump("DOC ID " + find_this_id + "\n" );
  13
  14         if (! params.import_tree ) {
  15                 tree = retrieve_record( find_this_id );
  16                 meta = retrieve_meta_record( find_this_id );
  17                 document.getElementById('meta_create_date').setAttribute('value',
  18                         meta.create_date().split('.')[0]
  19                 );
  20                 document.getElementById('meta_creator').setAttribute('value',
  21                         meta.creator()
  22                 );
  23                 document.getElementById('meta_edit_date').setAttribute('value',
  24                         meta.edit_date().split('.')[0]
  25                 );
  26                 document.getElementById('meta_editor').setAttribute('value',
  27                         meta.editor()
  28                 );
  29                 document.getElementById('meta_tcn_publisher').setAttribute('value',
  30                         meta.tcn_value()
  31                 );
  32                 var text = document.createTextNode(
  33                         record_columns[1] + ' / ' + record_columns[2]
  34                 );
  35                 document.getElementById('meta_title_author').appendChild(
  36                         text
  37                 );
  38         } else {
  39                 tree = params.import_tree;
  40                 if (tree.name() == 'collection') {
  41                         tree = find_list(
  42                                 tree.children(),
  43                                 function (obj) {
  44                                         return (obj.name() == 'record');
  45                                 }
  46                         );
  47                 }
  48         }
  49         //dump('Retrieved: ' + js2JSON(tree) + '\n');
  50         //dump('Retrieved: ' + js2JSON(meta) + '\n');
  51         build_grid(
  52                 document.getElementById('ctrl_rows'),
  53                 document.getElementById('data_rows'),
  54                 tree
  55         );
  56         fixed_fields_show_only('fixed_grid','BKS');
  57         apply_event_listeners('fixed_grid','fixed');
  58         character_measure = measure_character('marc_win','M');
  59         window.addEventListener('resize',my_resize_handler,false);
  60         handle_tag_change();
  61         document.getElementById('data_rows').firstChild.firstChild.firstChild.focus();
  62         dump('Exiting my_init() : ' + timer_elapsed('cat') + '\n');
  63 }
  64
  65 function measure_character(w,c) {
  66         var el = document.getElementById(w);
  67         var b = document.createElement('hbox');
  68         var l = document.createElement('label');
  69         l.setAttribute('class','marc');
  70         el.appendChild(b);
  71         b.appendChild(l);
  72         var lwidth = l.boxObject.width;
  73         l.value = c;
  74         lwidth = Math.abs( l.boxObject.width - lwidth);
  75         var lheight = l.boxObject.height;
  76         b.removeChild(l); el.removeChild(b);
  77         return { "width" : lwidth, "height" : lheight };
  78 }
  79
  80 function my_resize_handler(ev) {
  81         dump('resize\n');
  82         resizeAllWrappers('ctrl_rows');
  83         resizeAllWrappers('data_rows');
  84 }
  85
  86 function retrieve_record(id) {
  87         dump('Entering retrieve_record() : ' + timer_elapsed('cat') + '\n');
  88         var result = user_request(
  89                 'open-ils.cat',
  90                 'open-ils.cat.biblio.record.tree.retrieve',
  91                 [ id ]
  92         );
  93         //var result = [ JSON2js( test_nodeset() ) ];
  94         /*var result = user_request(
  95                 'open-ils.cat',
  96                 'open-ils.cat.biblio.record.tree.retrieve.test',
  97                 [ id ]
  98         );*/
  99         if (typeof(result[0]) != 'object') {
 100                 alert( 'user_request gave ' + js2JSON(result) );
 101                 dump('Exiting retrieve_record() : ' + timer_elapsed('cat') + '\n');
 102                 return 0;
 103         } else {
 104                 /*
 105                 dump('Entering nodeset2tree() : ' + timer_elapsed('cat') + '\n');
 106                 result[0] = nodeset2tree( result[0] )[0];
 107                 dump('Exiting nodeset2tree() : ' + timer_elapsed('cat') + '\n');
 108                 */
 109                 dump('Exiting retrieve_record() : ' + timer_elapsed('cat') + '\n');
 110                 return result[0];
 111         }
 112 }
 113
 114 function retrieve_meta_record(id) {
 115         dump('Entering retrieve_meta_record() : ' + timer_elapsed('cat') + '\n');
 116         var result = user_request(
 117                 'open-ils.cat',
 118                 'open-ils.cat.biblio.record.metadata.retrieve',
 119                 [ id ]
 120         );
 121         if (typeof(result[0]) != 'object') {
 122                 alert( 'user_request gave ' + js2JSON(result) );
 123                 dump('Exiting retrieve_meta_record() : ' + timer_elapsed('cat') + '\n');
 124                 return 0;
 125         } else {
 126                 dump('Exiting retrieve_meta_record() : ' + timer_elapsed('cat') + '\n');
 127                 return result[0][0];
 128         }
 129 }
 130
 131
 132
 133 function empty_me(p) {
 134         while (p.lastChild) {
 135                 //dump('emptying ' + p.lastChild.tagName + '\n');
 136                 empty_me(p.lastChild);
 137                 p.removeChild(p.lastChild);
 138         }
 139 }
 140
 141 function empty_grid( ctrl_rows, data_rows ) {
 142         var rows = document.getElementById(ctrl_rows);
 143         empty_me(rows);
 144         rows = document.getElementById(data_rows);
 145         empty_me(rows);
 146 }
 147
 148 function build_grid( ctrl_rows, data_rows, root ) {
 149         dump('Entering build_grid() : ' + timer_elapsed('cat') + '\n');
 150         var ctrl_count = 1; var data_count = 1;
 151         //dump( 'what is root?\n' + pretty_print(js2JSON(root)) + '\n');
 152         dump('root.children.length = ' + root.children.length + '\n');
 153         root_loop:
 154         var children = root.children();
 155         for (var i in children) {
 156                 var node = children[i];
 157                 var node_type = node.node_type();
 158                 var row = {};
 159                 switch(node_type) {
 160                         case '18': /* namespace */
 161                                 break;
 162                         case '1': /* element */
 163                                 row = get_row(node);
 164                                 switch(row.type) {
 165                                         case 'leader': case 'controlfield':
 166                                                         populate_xul_row(
 167                                                                 ctrl_rows,
 168                                                                 row,
 169                                                                 'ctrl_' + ctrl_count++
 170                                                         );
 171                                                 break;
 172                                         case 'datafield':
 173                                                         populate_xul_row(
 174                                                                 data_rows,
 175                                                                 row,
 176                                                                 'data_' + data_count++
 177                                                         );
 178                                                 break;
 179                                         default:
 180                                                 dump('Unexpected row type: ' +
 181                                                         js2JSON(node) + '\n');
 182                                                 break;
 183                                 }
 184                                 break;
 185                         default: /* eh? */
 186                                 dump( 'Did not expect node_type = ' + node_type +
 187                                         ' : ' + js2JSON(node) + '\n');
 188                                 break;
 189                 }
 190                 //dump( i + ' ' + dump_ns_node(node) + '\n');
 191         }
 192         dump('Exiting build_grid() : ' + timer_elapsed('cat') + '\n');
 193 }
 194
 195 function get_row( top ) {
 196         var row = {
 197                 'field' : { 'id' : '1' },
 198                 'tag' : { 'value' : '', 'id' : '-1' },
 199                 'ind1' : { 'value' : '', 'id' : '-1' },
 200                 'ind2' : { 'value' : '', 'id' : '-1' },
 201                 'data' : { 'value' : '', 'id' : '-1' }
 202         };
 203         var name = top.name();
 204         var id = top.intra_doc_id();
 205         var children = top.children();
 206         row.field.id = id;
 207         dump('Making row.... row.field.id = <' + id + '>\n');
 208         if (name == 'leader') { row.tag.value = 'LDR'; row.tag.id = id; }
 209         row.type = name;
 210         top_loop:
 211         for (var i in children) {
 212                 var node = children[i];
 213                 var node_type = node.node_type();
 214                 var node_name = node.name();
 215                 var node_value = node.value();
 216                 var node_id = node.intra_doc_id();
 217                 var node_children = node.children();
 218                 switch(node_type) {
 219                         case '18': /* namespace */
 220                                 continue top_loop;
 221                         case '2': /* attribute */
 222                                 switch(node_name) {
 223                                         case 'tag':
 224                                                 row.tag.value = node_value;
 225                                                 row.tag.id = node_id;
 226                                                 break;
 227                                         case 'ind1':
 228                                                 row.ind1.value = node_value;
 229                                                 row.ind1.id = node_id;
 230                                                 break;
 231                                         case 'ind2':
 232                                                 row.ind2.value = node_value;
 233                                                 row.ind2.id = node_id;
 234                                                 break;
 235                                         default:
 236                                                 dump('\tattribute surprise on node_name = ' +
 237                                                         node_name + ' : '
 238                                                         + js2JSON(node) + '\n');
 239                                                 break;
 240                                 }
 241                                 break;
 242                         case '1': /* element */
 243                                 switch(node_name) {
 244                                         case 'subfield':
 245                                                 row.data.value = row.data.value +
 246                                                 String.fromCharCode(8225) +
 247                                                 node_children[0].value() + ' ' +
 248                                                 node_children[1].value() + ' ';
 249                                                 row.data.id = node_id;
 250                                                 break;
 251                                         default:
 252                                                 dump('\telement surprise on node_name = ' +
 253                                                         node_name + ' : '
 254                                                         + js2JSON(node) + '\n');
 255                                                 break;
 256                                 }
 257                                 break;
 258                         case '3': /* textNode */
 259                                 row.data.value = node_value;
 260                                 row.data.id = node_id;
 261                                 break;
 262                         default: /* eh? */
 263                                 dump('\tunknown type surprise on node_type = ' +
 264                                         node_type + ' : '  +
 265                                         js2JSON(node) + '\n');
 266                                 break;
 267                 }
 268         }
 269         //dump(js2JSON(row) + '\n');
 270         return row;
 271 }
 272
 273 function build_xul_row( id, type ) {
 274         switch(type) {
 275                 case 'leader': case 'controlfield':
 276                         return build_ctrl_row( id );
 277                         break;
 278                 case 'datafield':
 279                         return build_data_row( id );
 280                         break;
 281                 default:
 282                         dump('Unexpected row type\n');
 283                         break;
 284         }
 285 }
 286
 287 function build_data_row( id ) {
 288         //dump('Entering build_xul_row() : ' + timer_elapsed('cat') + '\n');
 289         var xul_row = document.createElement('row');
 290         xul_row.setAttribute('id',id);
 291         xul_row.setAttribute('class','field_row data_row');
 292         //xul_rows.appendChild(xul_row);
 293
 294         /* the elements in the row */
 295         var wrapper1 = document.createElement('hbox');
 296         wrapper1.setAttribute( 'class', 'marc_wrapper marc_tag_wrapper');
 297         var xul_col1 = document.createElement('textbox');
 298                 xul_col1.setAttribute( 'cols', '3');
 299                 xul_col1.setAttribute( 'rows', '1');
 300                 xul_col1.setAttribute( 'multiline', 'true');
 301                 xul_col1.setAttribute( 'size', '3');
 302                 xul_col1.setAttribute( 'class', 'marc marc_tag');
 303                 wrapper1.appendChild(xul_col1);
 304                 xul_row.appendChild(wrapper1);
 305         var wrapper2 = document.createElement('hbox');
 306         wrapper2.setAttribute( 'class', 'marc_wrapper marc_ind_wrapper marc_ind1_wrapper');
 307         var xul_col2 = document.createElement('textbox');
 308                 xul_col2.setAttribute( 'cols', '1');
 309                 xul_col2.setAttribute( 'rows', '1');
 310                 xul_col2.setAttribute( 'multiline', 'true');
 311                 xul_col2.setAttribute( 'size', '1');
 312                 xul_col2.setAttribute( 'class', 'marc marc_ind marc_ind1');
 313                 wrapper2.appendChild(xul_col2);
 314                 xul_row.appendChild(wrapper2);
 315         var wrapper3 = document.createElement('hbox');
 316         wrapper3.setAttribute( 'class', 'marc_wrapper marc_ind_wrapper marc_ind2_wrapper');
 317         var xul_col3 = document.createElement('textbox');
 318                 xul_col3.setAttribute( 'cols', '1');
 319                 xul_col3.setAttribute( 'rows', '1');
 320                 xul_col3.setAttribute( 'multiline', 'true');
 321                 xul_col3.setAttribute( 'size', '1');
 322                 xul_col3.setAttribute( 'class', 'marc marc_ind marc_ind2');
 323                 wrapper3.appendChild(xul_col3);
 324                 xul_row.appendChild(wrapper3);
 325         var wrapper4 = document.createElement('hbox');
 326         wrapper4.setAttribute( 'class', 'marc_wrapper marc_data_wrapper');
 327         var xul_col4 = document.createElement('textbox');
 328                 xul_col4.setAttribute( 'subfields', 'true');
 329                 xul_col4.setAttribute( 'cols', '60');
 330                 xul_col4.setAttribute( 'size', '60');
 331                 xul_col4.setAttribute( 'rows', '1');
 332                 xul_col4.setAttribute( 'multiline', 'true');
 333                 xul_col4.setAttribute( 'class', 'marc marc_data resizable');
 334                 xul_col4.setAttribute( 'flex', '1');
 335                 wrapper4.appendChild(xul_col4);
 336                 xul_row.appendChild(wrapper4);
 337
 338         return xul_row;
 339         //dump('Exiting build_xul_row() : ' + timer_elapsed('cat') + '\n');
 340 }
 341
 342 function build_ctrl_row( id ) {
 343         //dump('Entering build_xul_row() : ' + timer_elapsed('cat') + '\n');
 344         var xul_row = document.createElement('row');
 345         xul_row.setAttribute('class','field_row ctrl_row');
 346         xul_row.setAttribute('id',id);
 347         //xul_rows.appendChild(xul_row);
 348
 349         /* the elements in the row */
 350         var wrapper1 = document.createElement('hbox');
 351         wrapper1.setAttribute( 'class', 'marc_wrapper marc_tag_wrapper ctrl_wrapper');
 352         var xul_col1 = document.createElement('textbox');
 353                 xul_col1.setAttribute( 'cols', '3');
 354                 xul_col1.setAttribute( 'rows', '1');
 355                 xul_col1.setAttribute( 'multiline', 'true');
 356                 xul_col1.setAttribute( 'size', '3');
 357                 xul_col1.setAttribute( 'class', 'marc marc_tag ctrl');
 358                 xul_col1.setAttribute( 'disabled', 'true');
 359                 wrapper1.appendChild(xul_col1);
 360                 xul_row.appendChild(wrapper1);
 361         var wrapper4 = document.createElement('hbox');
 362         wrapper4.setAttribute( 'class', 'marc_wrapper marc_data_wrapper ctrl_wrapper');
 363         var xul_col4 = document.createElement('textbox');
 364                 xul_col4.setAttribute( 'cols', '60');
 365                 xul_col4.setAttribute( 'size', '60');
 366                 xul_col4.setAttribute( 'rows', '1');
 367                 xul_col4.setAttribute( 'multiline', 'true');
 368                 xul_col4.setAttribute( 'class', 'marc marc_data ctrl');
 369                 xul_col4.setAttribute( 'flex', '1');
 370                 xul_col4.setAttribute( 'disabled', 'true');
 371                 wrapper4.appendChild(xul_col4);
 372                 xul_row.appendChild(wrapper4);
 373
 374         return xul_row;
 375         //dump('Exiting build_xul_row() : ' + timer_elapsed('cat') + '\n');
 376 }
 377
 378
 379 function apply_event_listeners(c,which) {
 380         switch(which) {
 381                 case 'ctrl':
 382                         break;
 383                 case 'data':
 384                         c[0].firstChild.addEventListener("change",handle_tag_change,false);
 385                         c[0].firstChild.addEventListener("keypress",handle_keypress,false);
 386                         c[1].firstChild.addEventListener("keypress",handle_keypress,false);
 387                         c[1].firstChild.addEventListener("change",handle_tag_change,false);
 388                         c[2].firstChild.addEventListener("keypress",handle_keypress,false);
 389                         c[2].firstChild.addEventListener("change",handle_tag_change,false);
 390                         c[3].firstChild.addEventListener("keypress",handle_keypress,false);
 391                         c[3].firstChild.addEventListener("change",handle_tag_change,false);
 392                         c[3].firstChild.addEventListener("change",handle_change,false);
 393                         break;
 394                 case 'fixed':
 395                         var g = document.getElementById(c);
 396                         var nl = g.getElementsByTagName('textbox');
 397                         for (var i in nl) {
 398                                 if (typeof(nl[i])=='object') {
 399                                         nl[i].addEventListener("change",handle_fixed_change,false);
 400                                 }
 401                         }
 402                         break;
 403         }
 404 }
 405
 406 function populate_xul_row( xul_rows, row, id ) {
 407
 408         var r = document.getElementById(id);
 409         if (!r) {
 410                 r = build_xul_row(id,row.type);
 411                 xul_rows.appendChild(r);
 412                 //r = document.getElementById(id);
 413         }
 414         r.setAttribute('notempty','true');
 415         r.setAttribute('mynode',row.field.id);
 416         var c = r.childNodes;
 417         switch(row.type) {
 418                 case 'leader': case 'controlfield':
 419                         c[0].firstChild.value = row.tag.value;
 420                         c[0].firstChild.select();
 421                         c[0].firstChild.setAttribute('mynode', row.tag.id);
 422                         c[1].firstChild.value = row.data.value;
 423                         c[1].firstChild.select();
 424                         c[1].firstChild.setAttribute('mynode', row.data.id);
 425                         apply_event_listeners(c,'ctrl');
 426                         break;
 427                 case 'datafield':
 428                         c[0].firstChild.value = row.tag.value;
 429                         c[0].firstChild.select();
 430                         c[0].firstChild.setAttribute('mynode', row.tag.id);
 431                         c[1].firstChild.value = row.ind1.value;
 432                         c[1].firstChild.select();
 433                         c[1].firstChild.setAttribute('mynode', row.ind1.id);
 434                         c[2].firstChild.value = row.ind2.value;
 435                         c[2].firstChild.select();
 436                         c[2].firstChild.setAttribute('mynode', row.ind2.id);
 437                         c[3].firstChild.value = row.data.value;
 438                         c[3].firstChild.select();
 439                         c[3].firstChild.setAttribute('mynode', row.data.id);
 440                         apply_event_listeners(c,'data');
 441                         break;
 442         }
 443         //resizeWrapper(c3);
 444 }
 445
 446 function handle_change(ev) {
 447         dump('handle_change\n');
 448         var t = ev.target;
 449         // parse subfields
 450         resizeWrapper(t);
 451 }
 452
 453 function resizeWrapper(t) {
 454         if (t.tagName != 'textbox') { return; }
 455         var wrapper = t.parentNode;
 456         var width = wrapper.boxObject.width;
 457         var height = wrapper.boxObject.height;
 458
 459         /*var lwidth = character_measure.width * t.value.length; // linux */
 460         var lwidth = (character_measure.width*2+5) * t.value.length; // windows
 461         var lheight = character_measure.height;
 462
 463         if (width == 0) { width = lwidth; }
 464         var xrows = Math.ceil( lwidth / width );
 465         if (xrows < 1) { xrows = 1; }
 466         var xheight = (xrows * (lheight+5));
 467
 468         //dump(wrapper.parentNode.id + ' wrapper: ' + width + 'x' + height + ' label: ' + lwidth + 'x' + lheight + '\n');
 469         wrapper.setAttribute('style','min-height: ' + xheight + 'px;');
 470 }
 471
 472 function resizeAllWrappers(rows) {
 473         dump('Entering resizeAllWrappers() : ' + timer_elapsed('cat') + '\n');
 474         var p = document.getElementById(rows);
 475         var c = p.childNodes;
 476         for (var r in c) {
 477                 if (typeof(c[r])=='object') {
 478                         if (c[r].getAttribute('notempty')) {
 479                                 resizeWrapper(c[r].lastChild.firstChild);
 480                         } else {
 481                                 p.removeChild(c[r]);
 482                         }
 483                 }
 484         }
 485         dump('Exiting resizeAllWrappers() : ' + timer_elapsed('cat') + '\n');
 486 }
 487
 488 function find_element_with_id(ns_slice,id) {
 489         // we might change this in the future to be a hash lookup
 490         // { node id => [lvl 1 index, lvl 2 index, lvl 3 index]  }
 491         // with the hash being populated when the tree is generated
 492         // and updated when we go to insert nodes
 493         //dump('Find ' + id + ' in ' + js2JSON(ns_slice) + '\n');
 494         //dump('Find ' + id + '\n');
 495         for (i in ns_slice) {
 496                 if (ns_slice[i].intra_doc_id() == id) {
 497                         //dump('Found at index ' + i + '\n');
 498                         return i;
 499                 }
 500         }
 501         dump(id + 'not found in' + js2JSON(ns_slice) + '\n');
 502 }
 503
 504 function delete_children(branch) {
 505         var children = branch.children();
 506         for (var c in children) {
 507                 children[c].isdeleted(1);
 508                 dump( children[c].name() + ':' +
 509                         children[c].id() + ':' +
 510                         children[c].intra_doc_id() + '.is_deleted = 1\n');
 511                 if (children[c].children()) {
 512                         delete_children(children[c]);
 513                 }
 514         }
 515 }
 516
 517 function submit_marc() {
 518         // walk through the marc grid and compare with the tree
 519         // 1) updates and deletes
 520
 521 dump('Updates and Deletes\n');
 522         backup_tree = JSON2js( js2JSON( tree ) );
 523
 524         var tree_fields = tree.children(); // LEVEL 1
 525         var ctrl_rows = document.getElementById('ctrl_rows').childNodes;
 526         for (var r = 0; r < ctrl_rows.length ; r++) {
 527                 //if (r == 0) { continue; } // skip leader for now
 528                 //dump( r + '\n');
 529                 var tag_node_id;
 530                 try {
 531                         tag_node_id = ctrl_rows[r].getAttribute('mynode');
 532                 } catch(E) {
 533                         dump('Could not find mynode in ctrl_rows[' + r + ']\n');
 534                         continue;
 535                 }
 536                 //dump( r + ':' + ctrl_rows[r].tagName + ':' + tag_node_id + '\n' );
 537                 if (tag_node_id) {
 538 dump('Processing ctrl_rows[' + r + '], tag_node_id = ' + tag_node_id + '\n');
 539                         if (tag_node_id < 0) { continue; } // new node, handle elsewhere
 540 dump('1st find =========================================\n')
 541                         var tree_pos = find_element_with_id(tree_fields,tag_node_id);
 542                         if (tree_pos == null) { alert('tree_pos problem!'); }
 543                         var tree_field = tree_fields[tree_pos];
 544
 545                         if (ctrl_rows[r].getAttribute('hidden') == 'true') {
 546                                 tree_field.isdeleted(1);
 547                                 dump( tree_field.name() + ':' +
 548                                         tree_field.id() + ':' +
 549                                         tree_field.intra_doc_id() + '.isdeleted = 1\n');
 550                                 delete_children(tree_field);
 551                                 continue;
 552                         }
 553
 554                         var col1 = ctrl_rows[r].childNodes[0].firstChild;
 555                         var col2 = ctrl_rows[r].childNodes[1].firstChild;
 556                         var id1 = col1.getAttribute('mynode');
 557                         var id2 = col2.getAttribute('mynode');
 558                         dump('id1 = ' + id1 + ' col1.value = ' + col1.value + '  id2 = ' + id2 + ' col2.value = ' + col2.value + '\n');
 559                         var tree_field_children = tree_field.children(); // LEVEL 2
 560
 561                         if (r == 0) { // leader is special.  Only one child
 562                                 if (tree_field_children[0].value() != col2.value) {
 563                                         tree_field_children[0].value(col2.value);
 564                                         tree_field_children[0].ischanged(1);
 565                                         dump( tree_field_children[0].name() + ':' +
 566                                                 tree_field_children[0].id() + ':' +
 567                                                 tree_field_children[0].intra_doc_id() +
 568                                                 '.ischanged = 1\n');
 569                                 }
 570                                 continue;
 571                         }
 572
 573 dump('2nd find =========================================\n')
 574                         var tree_tag = find_element_with_id(tree_field_children,id1);
 575 dump('3rd find =========================================\n')
 576                         var tree_value = find_element_with_id(tree_field_children,id2);
 577                         if (tree_tag == null) { alert('tree_tag problem!'); }
 578                         if (tree_value == null) { alert('tree_value problem!'); }
 579                         if (tree_field_children[tree_tag].value() != col1.value) {
 580                                 tree_field_children[tree_tag].value(col1.value);
 581                                 tree_field_children[tree_tag].ischanged(1);
 582                                 dump( tree_field_children[tree_tag].name() + ':' +
 583                                         tree_field_children[tree_tag].id() + ':' +
 584                                         tree_field_children[tree_tag].intra_doc_id() +
 585                                         '.ischanged = 1\n');
 586                         }
 587                         if (tree_field_children[tree_value].value() != col2.value) {
 588                                 tree_field_children[tree_value].value(col2.value);
 589                                 tree_field_children[tree_value].ischanged(1);
 590                                 dump( tree_field_children[tree_value].name() + ':' +
 591                                         tree_field_children[tree_value].id() + ':' +
 592                                         tree_field_children[tree_value].intra_doc_id() +
 593                                         '.ischanged = 1\n');
 594                         }
 595                 }
 596         }
 597         var data_rows = document.getElementById('data_rows').childNodes;
 598         for (var r = 0; r < data_rows.length ; r++ ) {
 599                 var tag_node_id;
 600                 try {
 601                         tag_node_id = data_rows[r].getAttribute('mynode');
 602                 } catch(E) {
 603                         continue;
 604                 }
 605                 //dump( r + ':' + data_rows[r].tagName + ':' + tag_node_id + '\n' );
 606                 if (tag_node_id) {
 607 dump('Processing data_rows[' + r + '], tag_node_id = ' + tag_node_id + '\n');
 608                         if (tag_node_id < 0) { continue; } // new node, handle elsewhere
 609 dump('4th find =========================================\n')
 610                         var tree_pos = find_element_with_id(tree_fields,tag_node_id);
 611                         if (tree_pos == null) { alert('tree_pos problem!'); }
 612                         var tree_field = tree_fields[tree_pos];
 613
 614                         if (data_rows[r].getAttribute('hidden') == 'true') {
 615                                 tree_field.isdeleted(1);
 616                                 dump(tree_field.name() + ':' +
 617                                         tree_field.id() + ':' +
 618                                         tree_field.intra_doc_id() +
 619                                         '.isdeleted = 1\n');
 620                                 delete_children(tree_field);
 621                                 continue;
 622                         }
 623
 624                         var col1 = data_rows[r].childNodes[0].firstChild;
 625                         var col2 = data_rows[r].childNodes[1].firstChild;
 626                         var col3 = data_rows[r].childNodes[2].firstChild;
 627                         var col4 = data_rows[r].childNodes[3].firstChild;
 628                         var id1 = col1.getAttribute('mynode');
 629                         var id2 = col2.getAttribute('mynode');
 630                         var id3 = col3.getAttribute('mynode');
 631                         var id4 = col4.getAttribute('mynode');
 632                         var tree_field_children = tree_field.children(); // LEVEL 2
 633 dump('5th find =========================================\n')
 634                         var tree_tag = find_element_with_id(tree_field_children,id1);
 635 dump('6th find =========================================\n')
 636                         var tree_ind1 = find_element_with_id(tree_field_children,id2);
 637 dump('7th find =========================================\n')
 638                         var tree_ind2 = find_element_with_id(tree_field_children,id3);
 639 dump('8th find =========================================\n')
 640                         var tree_data = find_element_with_id(tree_field_children,id4);
 641                         if (tree_tag == null) { alert('tree_tag problem!'); }
 642                         if (tree_ind1 == null) { alert('tree_ind1 problem!'); }
 643                         if (tree_ind2 == null) { alert('tree_ind2 problem!'); }
 644                         if (tree_data == null) { alert('tree_data problem!'); }
 645                         if (tree_field_children[tree_tag].value() != col1.value) {
 646                                 tree_field_children[tree_tag].value(col1.value);
 647                                 tree_field_children[tree_tag].ischanged(1);
 648                                 dump( tree_field_children[tree_tag].name() + ':' +
 649                                         tree_field_children[tree_tag].id() + ':' +
 650                                         tree_field_children[tree_tag].intra_doc_id() +
 651                                         '.is_changed = 1\n');
 652                         }
 653                         if (tree_field_children[tree_ind1].value() != col2.value) {
 654                                 tree_field_children[tree_ind1].value(col2.value);
 655                                 tree_field_children[tree_ind1].ischanged(1);
 656                                 dump( tree_field_children[tree_ind1].name() + ':' +
 657                                         tree_field_children[tree_ind1].id() + ':' +
 658                                         tree_field_children[tree_ind1].intra_doc_id() +
 659                                         '.is_changed = 1\n');
 660                         }
 661                         if (tree_field_children[tree_ind2].value() != col3.value) {
 662                                 tree_field_children[tree_ind2].value(col3.value);
 663                                 tree_field_children[tree_ind2].ischanged(1);
 664                                 dump( tree_field_children[tree_ind2].name() + ':' +
 665                                         tree_field_children[tree_ind2].id() + ':' +
 666                                         tree_field_children[tree_ind2].intra_doc_id() +
 667                                         '.is_changed = 1\n');
 668                         }
 669                         process_subfields(tree_field_children,col4.value); // LEVEL 3
 670                 }
 671         }
 672
 673
 674         // 2) inserts
 675 dump('Inserts\n');
 676
 677         for (var r = 0; r < ctrl_rows.length ; r++) {
 678                 var newnode;
 679                 try {
 680                         newnode = ctrl_rows[r].getAttribute('newnode');
 681                 } catch(E) {
 682                         continue;
 683                 }
 684                 if (newnode=='true') {
 685 dump('New node = ctrl_rows[' + r + ']');
 686                         if (ctrl_rows[r].getAttribute('hidden')=='true') { continue; }
 687                         var col1 = ctrl_rows[r].childNodes[0].firstChild.value;
 688                         var col2 = ctrl_rows[r].childNodes[1].firstChild.value;
 689                         var level1 = new brn();
 690                                 populate_node( level1, 1, 'controlfield' );
 691                         var level2a = new brn();
 692                                 populate_node( level2a, 2, 'tag' );
 693                                 level2a.value(col1);
 694                         var level2b = new brn();
 695                                 populate_node( level2b, 3, null );
 696                                 level2b.value(col2);
 697                         level1.children([ level2a, level2b ]);
 698                         ctrl_rows[r].setAttribute('mynode', level1.intra_doc_id());
 699 dump(' with intra_doc_id = ' + level1.intra_doc_id() + '\n');
 700                         insert_into_tree(tree.children(),ctrl_rows[r],level1);
 701                 }
 702         }
 703
 704         for (var r = 0; r < data_rows.length ; r++) {
 705                 var newnode;
 706                 try {
 707                         newnode = data_rows[r].getAttribute('newnode');
 708                 } catch(E) {
 709                         continue;
 710                 }
 711                 if (newnode=='true') {
 712 dump('New node = data_rows[' + r + ']');
 713                         if (data_rows[r].getAttribute('hidden')=='true') { continue; }
 714                         var col1 = data_rows[r].childNodes[0].firstChild.value;
 715                         var col2 = data_rows[r].childNodes[1].firstChild.value;
 716                         var col3 = data_rows[r].childNodes[2].firstChild.value;
 717                         var col4 = data_rows[r].childNodes[3].firstChild.value;
 718                         var level1 = new brn();
 719                                 populate_node( level1, 1, 'datafield' );
 720                         var level2a = new brn();
 721                                 populate_node( level2a, 2, 'tag' );
 722                                 level2a.value(col1);
 723                         var level2b = new brn();
 724                                 populate_node( level2b, 2, 'ind1' );
 725                                 level2b.value(col2);
 726                         var level2c = new brn();
 727                                 populate_node( level2c, 2, 'ind2' );
 728                                 level2c.value(col3);
 729                         level1.children([ level2a, level2b, level2c ]);
 730                         process_subfields(level1.children(),col4);
 731                         data_rows[r].setAttribute('mynode', level1.intra_doc_id());
 732 dump(' with intra_doc_id = ' + level1.intra_doc_id() + '\n');
 733                         insert_into_tree(tree.children(),data_rows[r],level1);
 734                 }
 735
 736         }
 737         //dump('******\nSending: ' + pretty_print(js2JSON(tree)) + '\n');
 738         dump('Auth session: ' + mw.G['auth_ses'][0] + '\n');
 739         try {
 740                 if (params.import_tree) {
 741                         tree = user_request(
 742                                         'open-ils.cat',
 743                                         'open-ils.cat.biblio.record.tree.import',
 744                                         [ mw.G['auth_ses'][0], tree ]
 745                         )[0];
 746
 747                 } else {
 748                         tree = user_request(
 749                                         'open-ils.cat',
 750                                         'open-ils.cat.biblio.record.tree.commit',
 751                                         [ mw.G['auth_ses'][0], tree ]
 752                         )[0];
 753                 }
 754                 if (typeof(tree) == 'object') {
 755                         dump('\n\n\n\nnew tree = ' + js2JSON(tree) + '\n');
 756                         params.import_tree = false;
 757                         new_node_id = -1;
 758                         empty_grid('ctrl_rows','data_rows');
 759                         build_grid(
 760                                 document.getElementById('ctrl_rows'),
 761                                 document.getElementById('data_rows'),
 762                                 tree
 763                         );
 764                         handle_tag_change();
 765                         my_resize_handler();
 766                         alert('MARC record successfully updated.');
 767                 } else {
 768                         throw('result: ' + tree + '\n');
 769                 }
 770         } catch(E) {
 771                 dump('backup_tree\n');
 772                 tree = backup_tree;
 773                 handle_tag_change();
 774                 my_resize_handler();
 775                 handle_error(E);
 776         }
 777 }
 778
 779 function insert_into_tree(branch,r,n) {
 780         var s = nextSibling_not_hidden(r);
 781         if (s) {
 782                 dump('9th find =========================================\n')
 783                 dump('s = ' + s + '\n');
 784                 dump('s.getAttribute mynode = <' + s.getAttribute('mynode') + '>\n');
 785                 var pos = find_element_with_id(branch,s.getAttribute('mynode'));
 786                 branch.splice(pos,0,n);
 787         } else {
 788                 branch.push(n);
 789         }
 790 }
 791
 792 var new_node_id = -1;
 793 function populate_node(node,ntype,name) {
 794         node.intra_doc_id( new_node_id-- );
 795         node.isnew( 1 );
 796         node.node_type( ntype );
 797         node.name( name );
 798         dump( node.name() + ':' + node.intra_doc_id() + '.is_new = 1\n');
 799 }
 800
 801 function process_subfields(tfc,datastring) {
 802         dump('process_subfields: <' + tfc + '> <' + datastring + '>\n');
 803         var orig_subfields = [];
 804         //dump('\n');
 805         for (var i in tfc) {
 806                 dump(i + ' : ' + typeof(tfc[i]) + ' : ' + js2JSON(tfc[i]) + ' : node_type() = ' + tfc[i].node_type() + '\n');
 807                 try {
 808                         if (tfc[i].node_type() == 1) {
 809                                 var orig_data = tfc[i].children()[1].value();
 810                                 orig_data = orig_data.replace(/^\s+/,'').replace(/\s+$/,'');
 811                                 orig_subfields.push( [
 812                                         i, // subfield node index
 813                                         tfc[i].children()[0].value(), // subf indicator
 814                                         orig_data // data
 815                                 ] );
 816                         }
 817
 818                 } catch(E) {
 819                         dump('\tan error? gasp: ' + js2JSON(E) + '\n');
 820                         continue;
 821                 }
 822         }
 823         datastring = datastring.replace(/^\s+/,'').replace(/\s+$/,'');
 824         var local_subf_array = datastring.split(String.fromCharCode(8225));
 825         // Our validation routines should assert that the beginning of
 826         // a data string start with the subfield delimiter symbol.  We're
 827         // passing the buck of the 'implicit' subfield-a check elsewhere.
 828         local_subf_array.shift();
 829         dump('orig_subfields = ' + js2JSON(orig_subfields) + '\n');
 830         dump('local_subfields = ' + js2JSON(local_subf_array) + '\n');
 831         for (var i in local_subf_array) {
 832                 if ((local_subf_array[i]=='')||(local_subf_array==null)) { continue; }
 833                 var s_ind = local_subf_array[i].substr(0,1);
 834                 var s_data = local_subf_array[i].substr(1).replace(/^\s+/,'').replace(/\s+$/,'');
 835                 dump('Processing code = ' + s_ind + ' and value = ' + s_data + '\n');
 836                 if (!orig_subfields[i]) { // new subfield
 837                         dump('making new subfield : i = ' + i + '\n');
 838                         var level1 = new brn();
 839                                 populate_node( level1, 1, 'subfield' );
 840                         var level2a = new brn();
 841                                 populate_node( level2a, 2, 'code' );
 842                                 level2a.value(s_ind);
 843                         var level2b = new brn();
 844                                 populate_node( level2b, 3, null );
 845                                 level2b.value(s_data);
 846                         level1.children([ level2a, level2b ]);
 847                         tfc.push(level1);
 848                         dump('New node = ' + js2JSON(level1) + '\n');
 849                 } else {
 850                         var orig_node = orig_subfields[i][0];
 851                         var orig_ind = orig_subfields[i][1];
 852                         var orig_data = orig_subfields[i][2];
 853                         if (orig_ind != s_ind) { // update subf indicator
 854                                 tfc[orig_node].children()[0].value(s_ind);
 855                                 tfc[orig_node].children()[0].ischanged(1);
 856                                 dump( tfc[orig_node].children()[0].name() + ':' +
 857                                         tfc[orig_node].children()[0].id() + ':' +
 858                                         tfc[orig_node].children()[0].intra_doc_id() +
 859                                         '.is_changed = 1\n');
 860                         dump('Updated node = ' + js2JSON(tfc[orig_node].children()[0]) + '\n');
 861                         }
 862                         if (orig_data != s_data) { // update subf data
 863                                 tfc[orig_node].children()[1].value(s_data);
 864                                 tfc[orig_node].children()[1].ischanged(1);
 865                                 dump( tfc[orig_node].children()[1].name() + ':' +
 866                                         tfc[orig_node].children()[1].id() + ':' +
 867                                         tfc[orig_node].children()[1].intra_doc_id() +
 868                                         '.is_changed = 1\n');
 869                         dump('Updated node = ' + js2JSON(tfc[orig_node].children()[1]) + '\n');
 870                         }
 871                 }
 872         }
 873         // delete any remaining
 874         for (var i = local_subf_array.length; i < orig_subfields.length; i++) {
 875                 var orig_node = orig_subfields[i][0];
 876                 tfc[orig_node].isdeleted(1);
 877                 dump( tfc[orig_node].name() + ':' +
 878                         tfc[orig_node].id() + ':' +
 879                         tfc[orig_node].intra_doc_id() + '.is_deleted = 1\n');
 880                 delete_children(tfc[orig_node]);
 881         }
 882 }
 883
 884
 885
 886 function test_nodeset() {
 887         return null;
 888 }