www/masterkey/js/client.js

   1 // very simple client that shows a basic usage of the pz2.js
   2
   3 // create a parameters array and pass it to the pz2's constructor
   4 // then register the form submit event with the pz2.search function
   5
   6 var my_paz = new pz2( { "onshow": my_onshow,
   7                     //"showtime": 1000,
   8                     //"onstat": my_onstat,
   9                     "onterm": my_onterm,
  10                     "termlist": "subject,author,xtargets,date",
  11                     //"onbytarget": my_onbytarget,
  12                     "onrecord": my_onrecord } );
  13
  14 var currentSort = 'relevance';
  15 var currentResultsPerPage = 20;
  16 var currentQuery = null;
  17 var currentPage = 0;
  18
  19 var currentDetailedId = null;
  20 var currentDetailedData = null;
  21
  22 var termStartup = true;    //some things should be done only once
  23
  24 // wait until the DOM is ready (could have been defined in the HTML)
  25 $(document).ready( function() {
  26                     document.search.onsubmit = onFormSubmitEventHandler;
  27                     } );
  28
  29 function onFormSubmitEventHandler() {
  30     currentQuery = document.search.query.value;
  31     $('#sort').change(function(){
  32                     currentSort = this.value;
  33                     currentPage = 0;
  34                     my_paz.show(0, currentResultsPerPage, currentSort);
  35                     });
  36     $('#perpage').change(function(){
  37                     currentResultsPerPage = this.value;
  38                     currentPage = 0;
  39                     my_paz.show(0, currentResultsPerPage, currentSort);
  40                     });
  41     my_paz.search(document.search.query.value, 20, 'relevance');
  42     $('div.content').show();
  43     $("div.leftbar").show();
  44     return false;
  45 }
  46 //
  47 // pz2.js event handlers:
  48 //
  49 function my_onshow(data)
  50 {
  51     var recsBody = $('div.records');
  52     recsBody.empty();
  53
  54     for (var i = 0; i < data.hits.length; i++) {
  55         var title = data.hits[i]["md-title"] || 'N/A';
  56         var author = data.hits[i]["md-author"] || '';
  57         var id = data.hits[i].recid;
  58         var count = data.hits[i].count || 1;
  59
  60         var recBody = $('<div class="record" id="rec_'+id+'"></div>');
  61         var aTitle = $('<a class="recTitle">'+title+'</a>').appendTo(recBody);
  62         aTitle.click(function(){
  63                         var clickedId = this.parentNode.id.split('_')[1];
  64                         if(currentDetailedId == clickedId){
  65                             $(this.parentNode.lastChild).remove();
  66                             currentDetailedId = null;
  67                             return;
  68                         } else if (currentDetailedId != null) {
  69                             $('#rec_'+currentDetailedId).children('.detail').remove();
  70                         }
  71                         currentDetailedId = clickedId;
  72                         my_paz.record(currentDetailedId);
  73                         });
  74
  75         if( author )
  76             recBody.append('<i> by </i>');
  77             $('<a name="author" class="recAuthor">'+author+'</a>\n').click(function(){ refine(this.name, this.firstChild.nodeValue) }).appendTo(recBody);
  78
  79         if( currentDetailedId == id ){
  80             var detailBox = $('<div class="detail"></div>').appendTo(recBody);
  81             drawDetailedRec(detailBox);
  82         }
  83
  84         recsBody.append('<div class="resultNum">'+(currentPage*currentResultsPerPage+i+1)+'.</a>');
  85         recsBody.append(recBody);
  86
  87     }
  88
  89     drawPager(data.merged, data.total);
  90 }
  91
  92 /*
  93
  94     body.innerHTML = "";
  95     for ( i = 0; i < data.hits.length; i++) {
  96         var hit = data.hits[i];
  97         body.innerHTML += '<div id="' + hit.recid + '" onclick="my_paz.record(this.id)"><span>' + i +
  98                           '. </span><span><b>' + hit["md-title"] +
  99                           ' </b></span> by <span><i>' + hit["md-author"] + '</i></span></div>';
 100     }
 101     body.innerHTML += "<hr/>";
 102     body.innerHTML += '<div>active clients: ' + data.activeclients + '</div>' +
 103                      '<div>merged: ' + data.merged + '</div>' +
 104                      '<div>total: ' + data.total + '</div>' +
 105                      '<div>start: ' + data.start + '</div>' +
 106                      '<div>num: ' + data.num + '</div>';
 107 }
 108 */
 109
 110 function my_onstat(data)
 111 {
 112 /*
 113     var stat = document.getElementById("stat");
 114     stat.innerHTML = '<div>active clients: ' + data.activeclients + '</div>' +
 115                      '<div>hits: ' + data.hits + '</div>' +
 116                      '<div>records: ' + data.records + '</div>' +
 117                      '<div>clients: ' + data.clients + '</div>' +
 118                      '<div>searching: ' + data.searching + '</div>';
 119 */
 120 }
 121
 122 function my_onterm(data)
 123 {
 124     var termLists = $("#termlists");
 125
 126     if(termStartup)
 127     {
 128         for(var key in data){
 129             if (key == "activeclients")
 130                 continue;
 131             var listName = key;
 132             if (key == "xtargets")
 133                 listName = "institution";
 134
 135             var termList = $('<div class="termlist" id="term_'+key+'"/>').appendTo(termLists);
 136             var termTitle = $('<div class="termTitle"><a class="unselected">'+listName+'</a></div>').appendTo(termList);
 137             termTitle.click(function(){
 138                                 if( this.firstChild.className == "selected" ){
 139                                     this.firstChild.className = "unselected";
 140                                     $(this.nextSibling).hide();
 141                                 } else {
 142                                     this.firstChild.className = "selected";
 143                                     $(this.nextSibling).show();
 144                                 }
 145                             });
 146
 147             listEntries = $('<div class="termEntries"></div>');
 148             listEntries.hide();
 149             listEntries.appendTo(termList);
 150
 151             for(var i = 0; i < data[key].length; i++)
 152             {
 153                 if (key == "xtargets"){
 154                     var listItem = $('<a class="sub" name="xtarget" value="'+data[key][i].id+'">'+data[key][i].name+
 155                                 '<span> ('+data[key][i].freq+')</span></a>').appendTo(listEntries);
 156                     listItem.click(function(){
 157                         refine(this.name, this.attributes[0].nodeValue) });
 158                 } else {
 159                     var listItem = $('<a class="sub" name="'+key+'">'+data[key][i].name+
 160                                     '<span> ('+data[key][i].freq+')</span></a>').appendTo(listEntries);
 161                     listItem.click(function(){ refine(this.name, this.firstChild.nodeValue) });
 162                 }
 163             }
 164             $('<hr/>').appendTo(termLists);
 165         }
 166         termStartup = false;
 167     }
 168     else
 169     {
 170         for(var key in data){
 171             if (key == "activeclients")
 172                 continue;
 173             var listEntries = $('#term_'+key).children('.termEntries');
 174             listEntries.empty()
 175
 176             for(var i = 0; i < data[key].length; i++){
 177                 if (key == "xtargets"){
 178                     var listItem = $('<a class="sub" name="xtarget" value="'+data[key][i].id+'">'+data[key][i].name+
 179                                 '<span> ('+data[key][i].freq+')</span></a>').click(function(){
 180                                                                         refine(this.name, this.attributes[0].nodeValue) });
 181                     listItem.appendTo(listEntries);
 182                 } else {
 183                     var listItem = $('<a class="sub" name="'+key+'">'+data[key][i].name+
 184                                     '<span> ('+data[key][i].freq+')</span></a>').click(function(){
 185                                                                         refine(this.name, this.firstChild.nodeValue) });
 186                     listItem.appendTo(listEntries);
 187                 }
 188             }
 189         }
 190     }
 191 }
 192
 193 function my_onrecord(data)
 194 {
 195     currentDetailedData = data;
 196     drawDetailedRec();
 197     /*
 198     details = data;
 199     recordDiv = document.getElementById(data.recid);
 200     recordDiv.innerHTML = "<table><tr><td><b>Ttle</b> : </td><td>" + data["md-title"] +
 201                             "</td></tr><tr><td><b>Date</b> : </td><td>" + data["md-date"] +
 202                             "</td></tr><tr><td><b>Author</b> : </td><td>" + data["md-author"] +
 203                             "</td></tr><tr><td><b>Subject</b> : </td><td>" + data["md-subject"] +
 204                             "</td></tr><tr><td><b>Location</b> : </td><td>" + data["location"][0].name + "</td></tr></table>";
 205                             */
 206
 207 }
 208
 209 function drawDetailedRec(detailBox)
 210 {
 211     if( detailBox == undefined )
 212         detailBox = $('<div class="detail"></div>').appendTo($('#rec_'+currentDetailedId));
 213
 214     detailBox.append('Details:<hr/>');
 215     var detailTable = $('<table></table>');
 216     var recDate = currentDetailedData["md-date"];
 217     var recSubject = currentDetailedData["md-subject"];
 218     var recLocation = currentDetailedData["location"];
 219
 220     if( recDate )
 221         detailTable.append('<tr><td class="item">Published:</td><td>'+recDate+'</td></tr>');
 222     if( recSubject )
 223         detailTable.append('<tr><td class="item">Subject:</td><td>'+recSubject+'</td></tr>');
 224     if( recLocation )
 225         detailTable.append('<tr><td class="item">Available at:</td><td>&nbsp;</td></tr>');
 226
 227     for(var i=0; i < recLocation.length; i++)
 228     {
 229         detailTable.append('<tr><td class="item">&nbsp;</td><td>'+recLocation[i].name+'</td></tr>');
 230     }
 231
 232     detailTable.appendTo(detailBox);
 233 }
 234
 235 function my_onbytarget(data)
 236 {
 237     /*
 238     targetDiv = document.getElementById("bytarget");
 239     targetDiv.innerHTML = "<tr><td>ID</td><td>Hits</td><td>Diag</td><td>Rec</td><td>State</td></tr>";
 240
 241     for ( i = 0; i < data.length; i++ ) {
 242         targetDiv.innerHTML += "<tr><td><b>" + data[i].id +
 243                                "</b></td><td>" + data[i].hits +
 244                                "</td><td>" + data[i].diagnostic +
 245                                "</td><td>" + data[i].records +
 246                                "</td><td>" + data[i].state + "</td></tr>";
 247     }
 248     */
 249 }
 250
 251 function refine(field, value)
 252 {
 253     var query = '';
 254     var filter = undefined;
 255
 256     switch(field) {
 257         case "author": query = ' and au="'+value+'"'; break;
 258         case "title": query = ' and ti="'+value+'"'; break;
 259         case "date": query = ' and date="'+value+'"'; break;
 260         case "subject": query = ' and su="'+value+'"'; break;
 261         case "xtarget": filter = 'id='+value; break;
 262     }
 263
 264     currentPage = 0;
 265     my_paz.search(currentQuery + query, currentResultsPerPage, currentSort, filter);
 266 }
 267
 268 function drawPager(max, hits)
 269 {
 270     var firstOnPage = currentPage * currentResultsPerPage + 1;
 271     var lastOnPage = (firstOnPage + currentResultsPerPage - 1) < max ? (firstOnPage + currentResultsPerPage - 1) : max;
 272
 273     var results = $('div.showing');
 274     results.empty();
 275     results.append('Displaying: <b>'+firstOnPage+'</b> to <b>'+lastOnPage+
 276                             '</b> of <b>'+max+'</b>'); //(total hits: '+hits+')');
 277     var pager = $('div.pages');
 278     pager.empty();
 279
 280     if ( currentPage > 0 ){
 281         $('<a class="previous_active">Previous</a>').click(function() { my_paz.showPrev(1); currentPage--; }).appendTo(pager.eq(0));
 282         $('<a class="previous_active">Previous</a>').click(function() { my_paz.showPrev(1); currentPage--; }).appendTo(pager.eq(1));
 283     }
 284     else
 285         pager.append('<a class="previous_inactive">Previous</a>');
 286
 287     var numPages = Math.ceil(max / currentResultsPerPage);
 288
 289     for(var i = 1; i <= numPages; i++)
 290     {
 291         if( i == (currentPage + 1) ){
 292            $('<a class="select">'+i+'</a>').appendTo(pager);
 293            continue;
 294         }
 295         var pageLink = $('<a class="page">'+i+'</a>');
 296         var plClone = pageLink.clone();
 297
 298         pageLink.click(function() {
 299             my_paz.showPage(this.firstChild.nodeValue - 1);
 300             currentPage = (this.firstChild.nodeValue - 1);
 301             });
 302
 303         plClone.click(function() {
 304             my_paz.showPage(this.firstChild.nodeValue - 1);
 305             currentPage = (this.firstChild.nodeValue - 1);
 306             });
 307
 308         //nasty hack
 309         pager.eq(0).append(pageLink);
 310         pager.eq(1).append(plClone);
 311     }
 312
 313     if ( currentPage < (numPages-1) ){
 314         $('<a class="next_active">Next</a>').click(function() { my_paz.showNext(1); currentPage++; }).appendTo(pager.eq(0));
 315         $('<a class="next_active">Next</a>').click(function() { my_paz.showNext(1); currentPage++; }).appendTo(pager.eq(1));
 316     }
 317     else
 318         pager.append('<a class="next_inactive">Next</a>');
 319 }