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