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         if( globalRecordResultPage != null ) {
  13                 debug("globalRecordResultPage already exists: " +
  14                                 globalRecordResultPage.toString() );
  15                 return globalRecordResultPage;
  16         }
  17         globalRecordResultPage = this;
  18         this.resetSearch();
  19         debug("Built a new RecordResultPage()");
  20 }
  21
  22
  23 /* returns the global instance. builds the instance if necessary.  All client
  24  * code should use this method */
  25 RecordResultPage.instance = function() {
  26         if( globalRecordResultPage != null ) {
  27                 return globalRecordResultPage;
  28         }
  29         return new RecordResultPage();
  30 }
  31
  32 RecordResultPage.prototype.next = function() {
  33         paramObj.__page = parseInt(paramObj.__page) + 1;
  34         var paramArray = build_param_array();
  35         url_redirect( paramArray )
  36 }
  37
  38
  39 RecordResultPage.prototype.prev = function() {
  40         paramObj.__page = parseInt(paramObj.__page) - 1;
  41         var paramArray = build_param_array();
  42         url_redirect( paramArray )
  43 }
  44
  45 RecordResultPage.prototype.addMenuItems = function(menu, record) {
  46
  47         var func = function() {
  48                 var req = new RemoteRequest(
  49                                 "open-ils.search",
  50                                 "open-ils.search.biblio.record.html",
  51                                 record.doc_id());
  52                 req.send(true);
  53                 buildViewMARCWindow(req.getResultObject(), record.doc_id() );
  54         }
  55
  56         menu.addItem("View MARC", func);
  57         xulEvtRecordResultDisplayed( menu, record );
  58
  59 }
  60
  61
  62 function buildViewMARCWindow(html, id) {
  63         var win = window.open(null,"MARC_" + id,
  64                 "location=0,menubar=0,status=0,resizeable,resize," +
  65                 "outerHeight=500,outerWidth=400,height=500," +
  66                 "width=400,scrollbars=1,screenX=100," +
  67                 "screenY=100,top=100,left=100,alwaysraised" )
  68         win.document.write(html);
  69         win.document.close();
  70         win.document.title = "View MARC";
  71         win.focus();
  72
  73 }
  74
  75
  76 RecordResultPage.prototype.mkLink = function(id, type, value) {
  77
  78         var href;
  79
  80         switch(type) {
  81
  82                 case "title":
  83                         href = createAppElement("a");
  84                         add_css_class(href,"record_result_title_link");
  85                         href.setAttribute("href","?target=record_detail&record=" + id );
  86                         href.appendChild(createAppTextNode(value));
  87                         break;
  88
  89                 case "author":
  90                         href = createAppElement("a");
  91                         add_css_class(href,"record_result_author_link");
  92                         href.setAttribute("href","?target=mr_result&mr_search_type=author&mr_search_query=" +
  93                                               encodeURIComponent(value));
  94                         href.appendChild(createAppTextNode(value));
  95                         break;
  96
  97                 default:
  98                         throw new EXArg("Unknown link type: " + type );
  99         }
 100
 101         return href;
 102
 103 }
 104
 105 RecordResultPage.prototype.toString = function() {
 106
 107         return "\nRecordResultPage:\n"  +
 108                 "page: "                                                + this.page + "\n" +
 109                 "searchOffset: "                        + this.searchOffset + "\n" +
 110                 "recordIDs: "                           + this.recordIDs + "\n" +
 111                 "hitCount: "                            + this.hitCount + "\n" +
 112                 "hitsPerPage: "                 + this.hitsPerPage + "\n";
 113
 114 }
 115
 116
 117 RecordResultPage.prototype.isNewSearch = function() {
 118         if(this.page == 0)
 119                 return true;
 120         return false;
 121
 122 }
 123
 124 /* performs a new search */
 125 RecordResultPage.prototype.doSearch = function() {
 126
 127         debug( "Key Value Array \n" + js2JSON( paramObj ) );
 128
 129         this.page                       = parseInt(paramObj.__page);
 130         this.searchOffset = this.page * this.hitsPerPage;
 131
 132
 133         if(this.isNewSearch()) {
 134                 debug("RecordResultPage resetting search..");
 135                 this.resetSearch();
 136         }
 137
 138         var offset = parseInt(this.searchOffset);
 139         var hitspp      = parseInt(this.hitsPerPage);
 140
 141         /* is this just a call to next/prev? */
 142         if( this.recordIDs && this.recordIDs[offset] != null )  {
 143                 debug("We have the first part of the ID's");
 144                 if( this.recordIDs[offset + (hitspp -1 )] != null  ||
 145                                 this.recordIDs[this.hitCount - 1] != null ) {
 146                         /* we already have all of the IDS */
 147                         debug("We alread have the required mr " +
 148                                         "ids for the search: [" + this.string + "]");
 149                         this.collectRecords();
 150                         return;
 151                 }
 152         }
 153
 154
 155         if( paramObj.__mrid != null ) {
 156                 this.mrSearch(paramObj.__mrid);
 157                 return;
 158         }
 159
 160         if( paramObj.__search == "global" ) {
 161
 162                 if( paramObj.__tcn != null ) {
 163                         this.globalSearch("tcn", paramObj.__tcn);
 164                         return;
 165                 }
 166
 167                 if( paramObj.__isbn != null ) {
 168                         this.globalSearch("isbn", paramObj.__isbn);
 169                         return;
 170                 }
 171                 if( paramObj.__barcode != null ) {
 172                         this.globalSearch("barcode", paramObj.__barcode);
 173                         return;
 174                 }
 175
 176         }
 177
 178 }
 179
 180
 181 /* these are the simple global searches */
 182 RecordResultPage.prototype.globalSearch = function(type, term) {
 183
 184         if( !term || term.length < 2 )
 185                 throw new EXArg( "globalSearch needs valid term: " + term );
 186
 187         debug("Performing Global search [" + type + "] for term: " + term );
 188
 189         var method;
 190         switch( type ) {
 191                 case "tcn":
 192                         method = "open-ils.search.biblio.tcn";
 193                         break;
 194
 195                 case "isbn":
 196                         method = "open-ils.search.biblio.isbn";
 197                         break;
 198
 199                 case "barcode":
 200                         method = "open-ils.search.biblio.find_by_barcode";
 201                         break;
 202         }
 203
 204         var request = new RemoteRequest( "open-ils.search",  method, term );
 205
 206         var obj = this;
 207         request.setCompleteCallback(
 208                 function(req) {
 209                         try {
 210                                 var result = req.getResultObject();
 211                                 debug( "Global Search returned: " + js2JSON(result) );
 212                                 obj.gatherIDs(result)
 213                                 obj.collectRecords();
 214                         } catch(E) { throw ("Search Error " + E ); }
 215                 }
 216         );
 217         request.send();
 218 }
 219
 220
 221 RecordResultPage.prototype.mrSearch = function(mrid) {
 222
 223         var request = new RemoteRequest("open-ils.search",
 224                 "open-ils.search.biblio.metarecord_to_records", mrid );
 225         debug("Gathering doc ids for metarecord " + mrid );
 226
 227         var obj = this;
 228         request.setCompleteCallback(
 229                 function(req) {
 230                         try{
 231                                 obj.gatherIDs(req.getResultObject());
 232                                 obj.collectRecords();
 233                         } catch(E) { throw ("Search Error " + E ); }
 234                 }
 235         );
 236         request.send();
 237 }
 238
 239 RecordResultPage.prototype.collectRecords = function() {
 240
 241         var i = this.searchOffset;
 242
 243         while( i < (this.searchOffset + this.hitsPerPage) ) {
 244                 var id = this.recordIDs[i];
 245
 246                 if(id==null){ i++;  continue; }
 247
 248                 var request = new RemoteRequest( "open-ils.search",
 249                         "open-ils.search.biblio.record.mods_slim.retrieve", id );
 250
 251                 request.name = "record_request_" + i;
 252                 request.search_id = i;
 253                 request.page_id = parseInt(i) - parseInt(this.searchOffset);
 254
 255                 /* define the callback for when we receive the record */
 256                 var obj = this;
 257                 request.setCompleteCallback(
 258                         function(req) {
 259                                 var record = req.getResultObject();
 260                                 obj.displayRecord( record, req.search_id, req.page_id );
 261                                 obj.doCopyCount( record, req.search_id, req.page_id );
 262                         }
 263                 );
 264
 265                 request.send();
 266                 i++;
 267         }
 268 }
 269
 270 RecordResultPage.prototype.doCopyCount = function( record, search_id, page_id ) {
 271
 272         var copy_box    = getById("record_result_copy_count_box_" + page_id );
 273
 274         /* kick off the copy count search */
 275         var orgunit = globalSelectedLocation;
 276         if(!orgunit) orgunit = globalLocation;
 277
 278         var copy_request = new RemoteRequest( "open-ils.search",
 279                 "open-ils.search.biblio.record.copy_count",
 280                 orgunit.id(), record.doc_id() );
 281
 282
 283         copy_request.search_id = search_id;
 284         copy_request.name = "copy_request_" + (search_id+this.searchOffset);
 285
 286         debug("Sending copy request " + search_id + ":" + record.doc_id() );
 287
 288         var obj = this;
 289         copy_request.setCompleteCallback(
 290                 function(req) {
 291                         try {
 292                                 obj.displayCopyCounts(req.getResultObject(), search_id, page_id );
 293                         } catch(E) {
 294                                 debug("****** Copy Count Retrieval Error:\n" + E );
 295                         }
 296                 }
 297         );
 298
 299         copy_request.send();
 300 }
 301
 302
 303
 304