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 RecordResultPage.prototype.addMenuItems = function(menu, record) {
 100
 101         var func = buildViewMARCWindow(record);
 102         menu.addItem("View MARC", func);
 103         if(isXUL())
 104                 xulEvtRecordResultDisplayed( menu, record );
 105
 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                         "location=0,menubar=0,status=0,resizeable,resize," +
 124                         "outerHeight=500,outerWidth=400,height=500," +
 125                         "width=400,scrollbars=1,screenX=100," +
 126                         "screenY=100,top=100,left=100,alwaysraised" )
 127                 win.document.write(html);
 128                 win.document.close();
 129                 win.document.title = "View MARC";
 130                 win.focus();
 131         }
 132
 133         return func;
 134 }
 135
 136
 137 RecordResultPage.prototype.mkLink = function(id, type, value) {
 138
 139         var href;
 140
 141         var org = globalSelectedLocation;
 142         if(org == null)
 143                 org = globalLocation;
 144
 145         switch(type) {
 146
 147
 148                 case "title":
 149                         href = createAppElement("a");
 150                         add_css_class(href,"record_result_title_link");
 151                         href.setAttribute("href",
 152                                 "?target=record_detail&record=" + id  +
 153                                 "&location=" + org.id() +
 154                                 "&depth=" + globalSearchDepth );
 155                         href.appendChild(createAppTextNode(value));
 156                         href.title = "View title details for " + value;
 157                         break;
 158
 159                 case "author":
 160                         href = createAppElement("a");
 161                         add_css_class(href,"record_result_author_link");
 162                         href.setAttribute("href","?target=mr_result&mr_search_type=author&page=0&mr_search_query=" +
 163                                               encodeURIComponent(value));
 164                         href.appendChild(createAppTextNode(value));
 165                         href.title = "Author search for " + value + "";
 166                         break;
 167
 168         case "img":
 169                         href = createAppElement("a");
 170                         add_css_class(href,"record_result_image_link");
 171                         href.setAttribute("href",
 172                                         "?target=record_detail&page=0&mrid=" + id  +
 173                                 "&location=" + org.id() +
 174                                 "&depth=" + globalSearchDepth );
 175                         href.title = "View title details for " + value;
 176                         break;
 177
 178                 default:
 179                         throw new EXArg("Unknown link type: " + type );
 180         }
 181
 182         return href;
 183
 184 }
 185
 186 RecordResultPage.prototype.toString = function() {
 187
 188         return "\nRecordResultPage:\n"  +
 189                 "page: "                                                + this.page + "\n" +
 190                 "searchOffset: "                        + this.searchOffset + "\n" +
 191                 "recordIDs: "                           + this.recordIDs + "\n" +
 192                 "hitCount: "                            + this.hitCount + "\n" +
 193                 "hitsPerPage: "                 + this.hitsPerPage + "\n";
 194
 195 }
 196
 197
 198 RecordResultPage.prototype.isNewSearch = function() {
 199         if(this.page == 0)
 200                 return true;
 201         return false;
 202
 203 }
 204
 205 /* performs a new search */
 206 RecordResultPage.prototype.doSearch = function() {
 207
 208         if(recordResultRedirect) {
 209                 /* if the user is just hitting the 'back' button */
 210                 recordResultRedirect = false;
 211                 history.back();
 212                 return;
 213         }
 214
 215         debug( "Key Value Array \n" + js2JSON( paramObj ) );
 216
 217         this.page                       = parseInt(paramObj.__page);
 218         var hitsper                     = paramObj.__hits_per_page;
 219
 220         if(hitsper)
 221                 this.hitsPerPage = parseInt(hitsper);
 222
 223         debug("******* Hits per = " + this.hitsPerPage);
 224
 225         this.hitsPerPageSelector = getById('hits_per_page');
 226         for( var i in this.hitsPerPageSelector.options ) {
 227                 var hits_obj = this.hitsPerPageSelector.options[i];
 228                 if(hits_obj == null) continue;
 229                 var hits = hits_obj.value;
 230                 debug(hits);
 231                 if( this.hitsPerPage == parseInt(hits) ) {
 232                         this.hitsPerPageSelector.options[i].selected = true;
 233                         debug("Setting selected on selector with hits " + hits);
 234                 }
 235         }
 236
 237         if(this.page == null)
 238                 this.page = 0;
 239
 240         this.searchOffset = this.page * this.hitsPerPage;
 241
 242
 243         if(this.isNewSearch()) {
 244                 debug("RecordResultPage resetting search..");
 245                 this.resetSearch();
 246         }
 247
 248         var offset = parseInt(this.searchOffset);
 249         var hitspp      = parseInt(this.hitsPerPage);
 250
 251         /* is this just a call to next/prev? */
 252         if( this.recordIDs && this.recordIDs[offset] != null )  {
 253                 debug("We have the first part of the ID's");
 254                 if( this.recordIDs[offset + (hitspp -1 )] != null  ||
 255                                 this.recordIDs[this.hitCount - 1] != null ) {
 256                         /* we already have all of the IDS */
 257                         debug("We alread have the required mr " +
 258                                         "ids for the search: [" + this.string + "]");
 259                         this.collectRecords();
 260                         return;
 261                 }
 262         }
 263
 264
 265         if( paramObj.__mrid != null ) {
 266                 this.mrSearch(paramObj.__mrid);
 267                 return;
 268         }
 269
 270         if( paramObj.__search == "global" ) {
 271
 272                 if( paramObj.__tcn != null ) {
 273                         this.globalSearch("tcn", paramObj.__tcn);
 274                         return;
 275                 }
 276
 277                 if( paramObj.__isbn != null ) {
 278                         this.globalSearch("isbn", paramObj.__isbn);
 279                         return;
 280                 }
 281                 if( paramObj.__barcode != null ) {
 282                         this.globalSearch("barcode", paramObj.__barcode);
 283                         return;
 284                 }
 285
 286         }
 287
 288 }
 289
 290
 291 /* these are the simple global searches */
 292 RecordResultPage.prototype.globalSearch = function(type, term) {
 293
 294         if( !term || term.length < 2 )
 295                 throw new EXArg( "globalSearch needs valid term: " + term );
 296
 297         debug("Performing Global search [" + type + "] for term: " + term );
 298
 299         var method;
 300         switch( type ) {
 301                 case "tcn":
 302                         method = "open-ils.search.biblio.tcn";
 303                         break;
 304
 305                 case "isbn":
 306                         method = "open-ils.search.biblio.isbn";
 307                         break;
 308
 309                 case "barcode":
 310                         method = "open-ils.search.biblio.find_by_barcode";
 311                         break;
 312         }
 313
 314         var request = new RemoteRequest( "open-ils.search",  method, term );
 315
 316         var obj = this;
 317         request.setCompleteCallback(
 318                 function(req) {
 319                         try {
 320                                 var result = req.getResultObject();
 321                                 debug( "Global Search returned: " + js2JSON(result) );
 322                                 obj.gatherIDs(result)
 323                                 obj.collectRecords();
 324                         } catch(E) { throw ("Search Error " + E ); }
 325                 }
 326         );
 327         request.send();
 328 }
 329
 330
 331 RecordResultPage.prototype.mrSearch = function(mrid) {
 332
 333         var request = new RemoteRequest("open-ils.search",
 334                 "open-ils.search.biblio.metarecord_to_records", mrid );
 335         debug("Gathering doc ids for metarecord " + mrid );
 336
 337         var obj = this;
 338         request.setCompleteCallback(
 339                 function(req) {
 340                         try{
 341                                 obj.gatherIDs(req.getResultObject());
 342
 343                                 if(!recordResultRedirect) { /* if the user isn't just hitting the 'back' button */
 344                                         if(parseInt(obj.hitCount) == 1) {
 345                                                 recordResultRedirect = true;
 346                                                 debug("Redirecting to record detail page with record " + obj.recordIDs[0] );
 347                                         url_redirect( [
 348                                                         "target", "record_detail",
 349                                                         "record", obj.recordIDs[0] ] );
 350                                                 return;
 351                                         }
 352                                 } else {
 353                                         recordResultRedirect = false;
 354                                         history.back();
 355                                 }
 356
 357                                 obj.collectRecords();
 358                         } catch(E) { throw ("Search Error " + E ); }
 359                 }
 360         );
 361         request.send();
 362 }
 363
 364 RecordResultPage.prototype.collectRecords = function() {
 365
 366         var i = this.searchOffset;
 367
 368         while( i < (this.searchOffset + this.hitsPerPage) ) {
 369                 var id = this.recordIDs[i];
 370
 371                 if(id==null){ i++;  continue; }
 372
 373                 var request = new RemoteRequest( "open-ils.search",
 374                         "open-ils.search.biblio.record.mods_slim.retrieve", id );
 375
 376                 request.name = "record_request_" + i;
 377                 request.search_id = i;
 378                 request.page_id = parseInt(i) - parseInt(this.searchOffset);
 379
 380                 /* define the callback for when we receive the record */
 381                 var obj = this;
 382                 request.setCompleteCallback(
 383                         function(req) {
 384                                 var record = req.getResultObject();
 385                                 obj.displayRecord( record, req.search_id, req.page_id );
 386                                 obj.doCopyCount( record, req.search_id, req.page_id );
 387                         }
 388                 );
 389
 390                 request.send();
 391                 i++;
 392         }
 393 }
 394
 395 RecordResultPage.prototype.doCopyCount = function( record, search_id, page_id ) {
 396
 397         var copy_box    = getById("record_result_copy_count_box_" + page_id );
 398
 399         /* kick off the copy count search */
 400         var orgunit = globalSelectedLocation;
 401         if(!orgunit) orgunit = globalLocation;
 402
 403         var copy_request = new RemoteRequest( "open-ils.search",
 404                 "open-ils.search.biblio.record.copy_count",
 405                 orgunit.id(), record.doc_id() );
 406
 407
 408         copy_request.search_id = search_id;
 409         copy_request.name = "copy_request_" + (search_id+this.searchOffset);
 410
 411         debug("Sending copy request " + search_id + ":" + record.doc_id() );
 412
 413         var obj = this;
 414         copy_request.setCompleteCallback(
 415                 function(req) {
 416                         try {
 417                                 obj.displayCopyCounts(req.getResultObject(), search_id, page_id );
 418                         } catch(E) {
 419                                 debug("****** Copy Count Retrieval Error:\n" + E );
 420                         }
 421                 }
 422         );
 423
 424         copy_request.send();
 425 }
 426
 427
 428
 429