Open-ILS/src/javascript/opac/RecordResultPage.js

   1 var globalRecordResultPage = null;                                      /* our global object */
   2
   3 RecordResultPage.prototype                                      = new AbstractRecordResultPage();
   4 RecordResultPage.prototype.constructor  = RecordResultPage;
   5 RecordResultPage.baseClass                                      = AbstractRecordResultPage.constructor;
   6
   7 /* constructor for our singleton object */
   8 function RecordResultPage() {
   9
  10         debug("in RecordResultPage()");
  11
  12         var row = getById("hourglass_row");
  13         if(row)
  14                 row.parentNode.removeChild(row);
  15
  16         if( globalRecordResultPage != null ) {
  17                 debug("globalRecordResultPage already exists: " +
  18                                 globalRecordResultPage.toString() );
  19                 return globalRecordResultPage;
  20         }
  21         globalRecordResultPage = this;
  22         this.resetSearch();
  23         debug("Built a new RecordResultPage()");
  24
  25         var row = getById("hourglass_row");
  26         if(row)
  27                 row.parentNode.removeChild(row);
  28 }
  29
  30
  31 RecordResultPage.buildExtendedLinks = function(record, page_id) {
  32         return null;
  33 }
  34
  35 RecordResultPage.prototype.setPageTrail = function() {
  36         var box = getById("page_trail");
  37         if(!box) return;
  38
  39         var d = this.buildTrailLink("start", true);
  40         if(d) {
  41                 box.appendChild(d);
  42         } else {
  43                 d = this.buildTrailLink("advanced_search", true);
  44                 if(d)
  45                         box.appendChild(d);
  46         }
  47
  48         var b = this.buildTrailLink("mr_result", true);
  49
  50         if(b) {
  51                 box.appendChild(this.buildDivider());
  52                 box.appendChild(b);
  53         }
  54
  55         box.appendChild(this.buildDivider());
  56         box.appendChild(
  57                 this.buildTrailLink("record_result",false));
  58 }
  59
  60
  61
  62
  63
  64 /* returns the global instance. builds the instance if necessary.  All client
  65  * code should use this method */
  66 RecordResultPage.instance = function() {
  67
  68         var row = getById("hourglass_row");
  69         if(row)
  70                 row.parentNode.removeChild(row);
  71
  72         if( globalRecordResultPage != null ) {
  73                 return globalRecordResultPage;
  74         }
  75         return new RecordResultPage();
  76 }
  77
  78 RecordResultPage.prototype.next = function() {
  79         paramObj.__page = parseInt(paramObj.__page) + 1;
  80         var paramArray = build_param_array();
  81         url_redirect( paramArray )
  82 }
  83
  84
  85
  86 RecordResultPage.prototype.URLRefresh = function() {
  87         paramObj.__page = 0;
  88         return build_param_array();
  89 }
  90
  91
  92
  93 RecordResultPage.prototype.prev = function() {
  94         paramObj.__page = parseInt(paramObj.__page) - 1;
  95         var paramArray = build_param_array();
  96         url_redirect( paramArray )
  97 }
  98
  99
 100 RecordResultPage.prototype.addMenuItems = function(menu, record) {
 101
 102         var func = buildViewMARCWindow(record);
 103         menu.addItem("View MARC", func);
 104         if(isXUL())
 105                 xulEvtRecordResultDisplayed( menu, record );
 106 }
 107
 108
 109 function buildViewMARCWindow(record) {
 110
 111         debug("Setting up view marc with record " + record.doc_id());
 112         var func = function() {
 113                 var req = new RemoteRequest(
 114                                 "open-ils.search",
 115                                 "open-ils.search.biblio.record.html",
 116                                 record.doc_id());
 117                 req.send(true);
 118
 119                 var html = req.getResultObject();
 120                 var id = record.doc_id();
 121
 122                 //var win = window.open(null,"MARC_" + id,
 123                 var win = window.open("about:blank","MARC_" + id,
 124                         "location=0,menubar=0,status=0,resizeable,resize," +
 125                         "outerHeight=500,outerWidth=400,height=500," +
 126                         "width=400,scrollbars=1,screenX=100," +
 127                         "screenY=100,top=100,left=100,alwaysraised,chrome" )
 128
 129                 win.document.write(html);
 130                 win.document.close();
 131                 win.document.title = "View MARC";
 132                 win.focus();
 133         }
 134
 135         return func;
 136 }
 137
 138
 139 RecordResultPage.prototype.mkLink = function(id, type, value) {
 140
 141         var href;
 142
 143         var org = globalSelectedLocation;
 144         if(org == null)
 145                 org = globalLocation;
 146
 147         switch(type) {
 148
 149
 150                 case "title":
 151                         href = createAppElement("a");
 152                         add_css_class(href,"record_result_title_link");
 153                         href.setAttribute("href",
 154                                 "?target=record_detail&record=" + id  +
 155                                 "&location=" + org.id() +
 156                                 "&depth=" + globalSearchDepth );
 157                         href.appendChild(createAppTextNode(value));
 158                         href.title = "View title details for " + value;
 159                         break;
 160
 161                 case "author":
 162                         href = createAppElement("a");
 163                         add_css_class(href,"record_result_author_link");
 164                         href.setAttribute("href","?target=mr_result&mr_search_type=author&page=0&mr_search_query=" +
 165                                               encodeURIComponent(value));
 166                         href.appendChild(createAppTextNode(value));
 167                         href.title = "Author search for " + value + "";
 168                         break;
 169
 170         case "img":
 171                         href = createAppElement("a");
 172                         add_css_class(href,"record_result_image_link");
 173                         href.setAttribute("href",
 174                                         "?target=record_detail&page=0&mrid=" + id  +
 175                                 "&location=" + org.id() +
 176                                 "&depth=" + globalSearchDepth );
 177                         href.title = "View title details for " + value;
 178                         break;
 179
 180                 default:
 181                         throw new EXArg("Unknown link type: " + type );
 182         }
 183
 184         return href;
 185
 186 }
 187
 188 RecordResultPage.prototype.toString = function() {
 189
 190         return "\nRecordResultPage:\n"  +
 191                 "page: "                                                + this.page + "\n" +
 192                 "searchOffset: "                        + this.searchOffset + "\n" +
 193                 "recordIDs: "                           + this.recordIDs + "\n" +
 194                 "hitCount: "                            + this.hitCount + "\n" +
 195                 "hitsPerPage: "                 + this.hitsPerPage + "\n";
 196
 197 }
 198
 199
 200 RecordResultPage.prototype.isNewSearch = function() {
 201         if(this.page == 0)
 202                 return true;
 203         return false;
 204
 205 }
 206
 207 /* performs a new search */
 208 RecordResultPage.prototype.doSearch = function() {
 209
 210         if(recordResultRedirect) {
 211                 /* if the user is just hitting the 'back' button */
 212                 recordResultRedirect = false;
 213                 history.back();
 214                 return;
 215         }
 216
 217         debug( "Key Value Array \n" + js2JSON( paramObj ) );
 218
 219         this.page                       = parseInt(paramObj.__page);
 220         var hitsper                     = paramObj.__hits_per_page;
 221
 222         if(hitsper)
 223                 this.hitsPerPage = parseInt(hitsper);
 224
 225         debug("******* Hits per = " + this.hitsPerPage);
 226
 227         this.hitsPerPageSelector = getById('hits_per_page');
 228         for( var i in this.hitsPerPageSelector.options ) {
 229                 var hits_obj = this.hitsPerPageSelector.options[i];
 230                 if(hits_obj == null) continue;
 231                 var hits = hits_obj.value;
 232                 debug(hits);
 233                 if( this.hitsPerPage == parseInt(hits) ) {
 234                         this.hitsPerPageSelector.options[i].selected = true;
 235                         debug("Setting selected on selector with hits " + hits);
 236                 }
 237         }
 238
 239         if(this.page == null)
 240                 this.page = 0;
 241
 242         this.searchOffset = this.page * this.hitsPerPage;
 243
 244
 245         if(this.isNewSearch()) {
 246                 debug("RecordResultPage resetting search..");
 247                 this.resetSearch();
 248         }
 249
 250         var offset = parseInt(this.searchOffset);
 251         var hitspp      = parseInt(this.hitsPerPage);
 252
 253         /* is this just a call to next/prev? */
 254         if( this.recordIDs && this.recordIDs[offset] != null )  {
 255                 debug("We have the first part of the ID's");
 256                 if( this.recordIDs[offset + (hitspp -1 )] != null  ||
 257                                 this.recordIDs[this.hitCount - 1] != null ) {
 258                         /* we already have all of the IDS */
 259                         debug("We alread have the required mr " +
 260                                         "ids for the search: [" + this.string + "]");
 261                         this.collectRecords();
 262                         return;
 263                 }
 264         }
 265
 266
 267         if( paramObj.__mrid != null ) {
 268                 this.mrSearch(paramObj.__mrid);
 269                 return;
 270         }
 271
 272         if( paramObj.__search == "global" ) {
 273
 274                 if( paramObj.__tcn != null ) {
 275                         this.globalSearch("tcn", paramObj.__tcn);
 276                         return;
 277                 }
 278
 279                 if( paramObj.__isbn != null ) {
 280                         this.globalSearch("isbn", paramObj.__isbn);
 281                         return;
 282                 }
 283                 if( paramObj.__barcode != null ) {
 284                         this.globalSearch("barcode", paramObj.__barcode);
 285                         return;
 286                 }
 287
 288         }
 289
 290 }
 291
 292
 293 /* these are the simple global searches */
 294 RecordResultPage.prototype.globalSearch = function(type, term) {
 295
 296         if( !term || term.length < 2 )
 297                 throw new EXArg( "globalSearch needs valid term: " + term );
 298
 299         debug("Performing Global search [" + type + "] for term: " + term );
 300
 301         var method;
 302         switch( type ) {
 303                 case "tcn":
 304                         method = "open-ils.search.biblio.tcn";
 305                         break;
 306
 307                 case "isbn":
 308                         method = "open-ils.search.biblio.isbn";
 309                         break;
 310
 311                 case "barcode":
 312                         method = "open-ils.search.biblio.find_by_barcode";
 313                         break;
 314         }
 315
 316         var request = new RemoteRequest( "open-ils.search",  method, term );
 317
 318         var obj = this;
 319         request.setCompleteCallback(
 320                 function(req) {
 321                         try {
 322                                 var result = req.getResultObject();
 323                                 debug( "Global Search returned: " + js2JSON(result) );
 324                                 obj.gatherIDs(result)
 325                                 obj.collectRecords();
 326                         } catch(E) { throw ("Search Error " + E ); }
 327                 }
 328         );
 329         request.send();
 330 }
 331
 332
 333 RecordResultPage.prototype.mrSearch = function(mrid) {
 334
 335         var request = new RemoteRequest("open-ils.search",
 336                 "open-ils.search.biblio.metarecord_to_records", mrid );
 337         debug("Gathering doc ids for metarecord " + mrid );
 338
 339         var obj = this;
 340         request.setCompleteCallback(
 341                 function(req) {
 342                         try{
 343                                 obj.gatherIDs(req.getResultObject());
 344
 345                                 if(!recordResultRedirect) { /* if the user isn't just hitting the 'back' button */
 346                                         if(parseInt(obj.hitCount) == 1) {
 347                                                 recordResultRedirect = true;
 348                                                 debug("Redirecting to record detail page with record " + obj.recordIDs[0] );
 349                                         url_redirect( [
 350                                                         "target", "record_detail",
 351                                                         "record", obj.recordIDs[0] ] );
 352                                                 return;
 353                                         }
 354                                 } else {
 355                                         recordResultRedirect = false;
 356                                         history.back();
 357                                 }
 358
 359                                 obj.collectRecords();
 360                         } catch(E) { throw ("Search Error " + E ); }
 361                 }
 362         );
 363         request.send();
 364 }
 365
 366 RecordResultPage.prototype.collectRecords = function() {
 367
 368         var i = this.searchOffset;
 369
 370         while( i < (this.searchOffset + this.hitsPerPage) ) {
 371                 var id = this.recordIDs[i];
 372
 373                 if(id==null){ i++;  continue; }
 374
 375                 var request = new RemoteRequest( "open-ils.search",
 376                         "open-ils.search.biblio.record.mods_slim.retrieve", id );
 377
 378                 request.name = "record_request_" + i;
 379                 request.search_id = i;
 380                 request.page_id = parseInt(i) - parseInt(this.searchOffset);
 381
 382                 /* define the callback for when we receive the record */
 383                 var obj = this;
 384                 request.setCompleteCallback(
 385                         function(req) {
 386                                 var record = req.getResultObject();
 387                                 obj.displayRecord( record, req.search_id, req.page_id );
 388                                 obj.doCopyCount( record, req.search_id, req.page_id );
 389                         }
 390                 );
 391
 392                 request.send();
 393                 i++;
 394         }
 395 }
 396
 397 RecordResultPage.prototype.doCopyCount = function( record, search_id, page_id ) {
 398
 399         var copy_box    = getById("record_result_copy_count_box_" + page_id );
 400
 401         /* kick off the copy count search */
 402         var orgunit = globalSelectedLocation;
 403         if(!orgunit) orgunit = globalLocation;
 404
 405         var copy_request = new RemoteRequest( "open-ils.search",
 406                 "open-ils.search.biblio.record.copy_count",
 407                 orgunit.id(), record.doc_id() );
 408
 409
 410         copy_request.search_id = search_id;
 411         copy_request.name = "copy_request_" + (search_id+this.searchOffset);
 412
 413         debug("Sending copy request " + search_id + ":" + record.doc_id() );
 414
 415         var obj = this;
 416         copy_request.setCompleteCallback(
 417                 function(req) {
 418                         try {
 419                                 obj.displayCopyCounts(req.getResultObject(), search_id, page_id );
 420                         } catch(E) {
 421                                 debug("****** Copy Count Retrieval Error:\n" + E );
 422                         }
 423                 }
 424         );
 425
 426         copy_request.send();
 427 }
 428
 429
 430
 431