Open-ILS/web/opac/skin/default/js/mresult.js

   1 //var records = {};
   2 var records = [];
   3 var ranks = [];
   4 var onlyrecord = {};
   5 var table;
   6 var mresultPreCache = 200;
   7 //var idsCookie = new cookieObject("ids", 1, "/", COOKIE_IDS);
   8 //var idsCookie;
   9 var idsCookie = new HTTP.Cookies();
  10 var searchTimer;
  11
  12 attachEvt("common", "unload", mresultUnload);
  13 attachEvt("common", "run", mresultDoSearch);
  14 attachEvt("result", "idsReceived", mresultSetRecords);
  15 attachEvt("result", "idsReceived", mresultCollectRecords);
  16
  17
  18 function mresultUnload() { removeChildren(table); table = null;}
  19
  20 function mresultDoSearch() {
  21
  22         if(getOffset() == 0) {
  23                 swapCanvas($('loading_alt'));
  24                 searchTimer = new Timer('searchTimer',$('loading_alt_span'));
  25                 searchTimer.start();
  26         }
  27
  28         table = G.ui.result.main_table;
  29
  30         while( table.parentNode.rows.length <= (getDisplayCount() + 1) )  /* add an extra row so IE and safari won't complain */
  31                 table.appendChild(G.ui.result.row_template.cloneNode(true));
  32
  33         if(getOffset() == 0 || getHitCount() == null ) {
  34                 if( getAdvTerm() && !getTerm() ) {
  35                         if(getAdvType() == ADVTYPE_MULTI ) mresultCollectAdvIds();
  36                         if(getAdvType() == ADVTYPE_MARC ) mresultCollectAdvMARCIds();
  37                 }
  38                 else {
  39                         mresultCollectIds(FETCH_MRIDS_FULL);
  40                         ADVTERM = "";
  41                         ADVTYPE = "";
  42                 }
  43
  44         } else  {
  45                 if( getAdvTerm() && !getTerm() ) {
  46                         if(getAdvType() == ADVTYPE_MULTI ) mresultCollectAdvIds();
  47                         if(getAdvType() == ADVTYPE_MARC ) mresultCollectAdvIds();
  48                 }
  49                 else {
  50                         mresultCollectIds(FETCH_MRIDS);
  51                         ADVTERM = "";
  52                         ADVTYPE = "";
  53                 }
  54         }
  55 }
  56
  57 /*
  58 function mresultGetCount() {
  59         var form = (getForm() == "all") ? null : getForm();
  60         var req = new Request(FETCH_MRCOUNT,
  61                         getStype(), getTerm(), getLocation(), getDepth(), form );
  62         req.callback(mresultHandleCount);
  63         req.send();
  64 }
  65
  66 function mresultHandleCount(r) {
  67         HITCOUNT = parseInt(r.getResultObject());
  68         alert('mresultHandleCount()');
  69         runEvt('result', 'hitCountReceived');
  70 }
  71 */
  72
  73
  74 function mresultLoadCachedSearch() {
  75         if( (getOffset() > 0) && (getOffset() < mresultPreCache) ) {
  76                 var c = JSON2js(idsCookie.read(COOKIE_IDS));
  77                 if(c) { records = c[0]; ranks = c[1]; }
  78         }
  79 }
  80
  81 function mresultTryCachedSearch() {
  82         mresultLoadCachedSearch();
  83         if(     getOffset() != 0 && records[getOffset()] != null &&
  84                         records[resultFinalPageIndex()] != null) {
  85
  86                 runEvt('result', 'hitCountReceived');
  87                 mresultCollectRecords();
  88                 return true;
  89         }
  90         return false;
  91 }
  92
  93
  94 /* performs the actual search */
  95 function mresultCollectIds(method) {
  96         if(!mresultTryCachedSearch()) {
  97                 var form = (getForm() == "all") ? null : getForm();
  98                 var req = new Request(method, getStype(), getTerm(),
  99                         getLocation(), getDepth(), mresultPreCache, getOffset(), form );
 100                 req.callback(mresultHandleMRIds);
 101                 req.send();
 102         }
 103 }
 104
 105
 106 function mresultCollectAdvIds() {
 107         if(!mresultTryCachedSearch()) {
 108                 var form = (getForm() == "all") ? null : getForm();
 109                 var req = new Request(FETCH_ADV_MRIDS,
 110                         JSON2js(getAdvTerm()), getLocation(), form, mresultPreCache );
 111                 req.callback(mresultHandleMRIds);
 112                 req.send();
 113         }
 114 }
 115
 116 function mresultCollectAdvMARCIds() {
 117         if(!mresultTryCachedSearch()) {
 118                 var form = (getForm() == "all") ? null : getForm();
 119                 var req = new Request(FETCH_ADV_MARC_MRIDS,
 120                         JSON2js(getAdvTerm()), getLocation(), form );
 121                 req.callback(mresultHandleMRIds);
 122                 req.send();
 123         }
 124 }
 125
 126
 127
 128 function mresultHandleMRIds(r) {
 129         var res = r.getResultObject();
 130
 131         if(res.count != null) {
 132                 if( getOffset() == 0 ) HITCOUNT = res.count;
 133                 runEvt('result', 'hitCountReceived');
 134         }
 135         runEvt('result', 'idsReceived', res.ids);
 136 }
 137
 138 function mresultSetRecords(idstruct) {
 139         if(!idstruct) return;
 140         var o = getOffset();
 141
 142         for( var x = o; x < idstruct.length + o; x++ ) {
 143                 if( idstruct[x-o] != null ) {
 144                         var r = parseInt(idstruct[x - o][0]);
 145                         var ra = parseFloat(idstruct[x - o][1]);
 146                         var or = parseInt(idstruct[x - o][2]);
 147                         if(!isNull(r) && !isNaN(r)) records[x] = r;
 148                         if(!isNull(ra) && !isNaN(ra)) ranks[x] = ra;
 149                         if(!isNull(or) && !isNaN(or)) onlyrecord[x] = or;
 150                 }
 151         }
 152
 153         if(getOffset() == 0) {
 154                 idsCookie.remove(COOKIE_IDS);
 155                 idsCookie.write(COOKIE_IDS, js2JSON([ records, ranks ]), '+1d' );
 156                 //alert('Set cookies: ' + idsCookie.read(COOKIE_IDS) + ' : ' + idsCookie.read(COOKIE_IDS).length );
 157         }
 158
 159         TOPRANK = ranks[getOffset()];
 160 }
 161
 162 function mresultCollectRecords() {
 163         if(getHitCount() > 0 ) runEvt("result", "preCollectRecords");
 164         var i = 0;
 165         for( var x = getOffset(); x!= getDisplayCount() + getOffset(); x++ ) {
 166                 if(isNull(records[x])) break;
 167                 if(isNaN(records[x])) continue;
 168                 var req = new Request(FETCH_MRMODS, records[x]);
 169                 req.request.userdata = i++;
 170                 req.callback(mresultHandleMods);
 171                 req.send();
 172         }
 173 }
 174
 175 function mresultHandleMods(r) {
 176         var rec = r.getResultObject();
 177         var pagePosition = r.userdata;
 178         runEvt('result', 'recordReceived', rec, pagePosition, true);
 179         resultCollectCopyCounts(rec, pagePosition, FETCH_MR_COPY_COUNTS);
 180 }
 181
 182