Open-ILS/src/javascript/lib/js/opac/mresult.js

   1 var records = {};
   2 var ranks = {};
   3 var table;
   4 var rowtemplate;
   5 var idsCookie = new cookieObject("ids", 1, "/", COOKIE_IDS);
   6
   7 G.evt.mresult.idsReceived.push(mresultSetRecords, mresultCollectRecords);
   8
   9 function mresultUnload() { removeChildren(table); table = null;}
  10
  11 function mresultDoSearch() {
  12
  13         table = G.ui.result.main_table;
  14
  15         hideMe(G.ui.result.row_template);
  16         while( table.parentNode.rows.length <= getDisplayCount() )  /* add an extra row so IE and safari won't complain */
  17                 hideMe(table.appendChild(G.ui.result.row_template.cloneNode(true)));
  18
  19         if(getOffset() == 0 || getHitCount() == null ) {
  20         //      mresultGetCount();
  21                 mresultCollectIds(FETCH_MRIDS_FULL);
  22         } else {
  23                 runEvent(G.evt.result.hitCountReceived);
  24                 mresultCollectIds(FETCH_MRIDS);
  25         }
  26 }
  27
  28 function mresultGetCount() {
  29         var form = (getForm() == "all") ? null : getForm();
  30         var req = new Request(FETCH_MRCOUNT,
  31                         getStype(), getTerm(), getLocation(), getDepth(), form );
  32         req.callback(mresultHandleCount);
  33         req.send();
  34 }
  35
  36 function mresultHandleCount(r) {
  37         HITCOUNT = parseInt(r.getResultObject());
  38         runEvent(G.evt.result.hitCountReceived);
  39 }
  40
  41
  42 /* performs the actual search */
  43 function mresultCollectIds(method) {
  44
  45         if(getOffset() == 0) {
  46                 idsCookie.put(COOKIE_IDS,"");
  47                 idsCookie.write();
  48
  49         } else {
  50                 var c = JSON2js(idsCookie.get(COOKIE_IDS));
  51                 if(c && c.recs) { records = c.recs; ranks = c.ranks; }
  52         }
  53
  54         if(     getOffset() != 0 &&
  55                         records[getOffset()] != null &&
  56                         records[resultFinalPageIndex()] != null) {
  57                         mresultCollectRecords();
  58
  59         } else {
  60
  61                 var req = new Request(method, getStype(), getTerm(),
  62                         getLocation(), getDepth(), getDisplayCount() * 10, getOffset(), getForm() );
  63                 req.callback(mresultHandleMRIds);
  64                 /* idsRetrieved */
  65                 req.send();
  66         }
  67 }
  68
  69 function mresultHandleMRIds(r) {
  70         var res = r.getResultObject();
  71
  72         if(res.count != null) {
  73                 HITCOUNT = res.count;
  74                 runEvent(G.evt.result.hitCountReceived);
  75         }
  76         runEvent(G.evt.mresult.idsReceived, res.ids);
  77 }
  78
  79 function mresultSetRecords(idstruct) {
  80         var o = getOffset();
  81         for( var x = o; x < idstruct.length + o; x++ ) {
  82                 if(idstruct[x-o] == null) break;
  83                 records[x] = parseInt(idstruct[x - o][0]);
  84                 ranks[x] = parseFloat(idstruct[x - o][1]);
  85         }
  86         idsCookie.put(COOKIE_IDS, js2JSON({ recs: records, ranks : ranks }) );
  87         idsCookie.write();
  88 }
  89
  90 function mresultCollectRecords() {
  91         var i = 0;
  92         for( var x = getOffset(); x!= getDisplayCount() + getOffset(); x++ ) {
  93                 if(isNull(records[x])) break;
  94                 var req = new Request(FETCH_MRMODS, records[x]);
  95                 req.request.userdata = i++;
  96                 req.callback(mresultHandleMods);
  97                 req.send();
  98         }
  99 }
 100
 101 function mresultHandleMods(r) {
 102         var rec = r.getResultObject();
 103         var pagePosition = r.userdata;
 104         runEvent(G.evt.result.recordReceived, rec, pagePosition, true);
 105         resultCollectCopyCounts(rec, pagePosition, FETCH_MR_COPY_COUNTS);
 106 }
 107
 108