Open-ILS/src/extras/opensearchportal.html

   1 <html>
   2         <head>
   3                 <title>mikers experimental opensearch portal</title>
   4                 <style>
   5
   6 * {
   7         font-family: verdana,arial,helvetica,sans-serif;
   8         font-size: small;
   9 }
  10
  11 #result_sources a {
  12         font-size: 8px;
  13         color: grey;
  14         text-decoration: none;
  15 }
  16
  17 td {
  18         vertical-align: top;
  19 }
  20
  21 caption {
  22         border: solid black 1px;
  23 }
  24
  25 .header {
  26         border: solid lightblue 1px;
  27         background-color: lightblue;
  28 }
  29
  30 a {
  31         color: blue;
  32         text-decoration: none;
  33 }
  34
  35 a:hover {
  36         color: blue;
  37         text-decoration: underline;
  38 }
  39
  40 a:active {
  41         color: red;
  42         text-decoration: underline;
  43 }
  44
  45 a:visited {
  46         color: blue;
  47         text-decoration: none;
  48 }
  49
  50 .title_link {
  51         font-size: medium;
  52         font-weight: bold;
  53 }
  54
  55 .desc_text {
  56         font-size: small;
  57 }
  58
  59 .hide {
  60         color: lightgray;
  61 }
  62
  63 .col_tab {
  64         border-collapse: collapse;
  65         border: solid gray 1px;
  66 }
  67
  68 .res_table {
  69         border-collapse: collapse;
  70 }
  71
  72 #col_res {
  73         max-width: 300px !important;
  74         min-width: 200px !important;
  75 }
  76
  77 #int_res {
  78         max-width: 100% !important;
  79 }
  80
  81 #int_res_hide {
  82         max-width: 100% !important;
  83         min-width: 400px !important;
  84 }
  85
  86 .res_tr {
  87         border-bottom: 1px dashed darkgrey;
  88 }
  89
  90 .noshow {
  91         display: none;
  92         visibility: hidden;
  93 }
  94
  95                 </style>
  96                 <script>
  97
  98 var isIE = false;
  99
 100 function create_requestor () {
 101         var req;
 102         try {
 103                 req = new ActiveXObject("Msxml2.XMLHTTP");
 104                 isIE = true;
 105         } catch (e) {
 106                 try {
 107                         req = new ActiveXObject("Microsoft.XMLHTTP");
 108                         isIE = true;
 109                 } catch (E) {
 110                         req = false;
 111                 }
 112         }
 113
 114         if (!req && typeof XMLHttpRequest!='undefined') {
 115                 req = new XMLHttpRequest();
 116         }
 117
 118         if(!req) {
 119                 alert("NEEDS NEWER JAVASCRIPT for XMLHTTPRequest()");
 120                 return null;
 121         }
 122
 123         return req;
 124 }
 125
 126 var proxy = 'http://gapines.org/opensearch/?fetch=';
 127
 128 var insearch=false;
 129
 130 var images = [];
 131 var search_templates = [];
 132 var search_urls = {};
 133 var rel_scales = {};
 134
 135 var current_startPage = 1;
 136 var current_startIndex = 1;
 137 var current_count = 5;
 138
 139 function opensearch ( term, reset, single_source ) {
 140
 141         if (reset) {
 142                 current_startPage = 1;
 143                 rel_scales = {};
 144         }
 145
 146         if (single_source) {
 147
 148                 create_search(single_source);
 149                 var turi = search_templates[single_source].replace(/\{searchTerms\}/,encodeURIComponent(term));
 150                 turi = turi.replace(/\{startPage\}/,current_startPage);
 151                 turi = turi.replace(/\{startIndex\}/,current_startIndex);
 152                 turi = turi.replace(/\{count\}/,current_count);
 153                 turi = turi.replace(/\{relevanceScale}/,'0');
 154                 search_urls[single_source] = proxy + encodeURIComponent(turi);
 155
 156                 rel_scales
 157                 var cur_src = document.getElementById('result_sources');
 158                 for (var i = 1; i < cur_src.childNodes.length; i++) {
 159                         if (cur_src.childNodes[i].textContent == turi)
 160                                 return;
 161                 }
 162                 cur_src.innerHTML += '<a name="' + single_source + '" href="' + turi + '">' + turi + '</a><br>';
 163                 perform_search(single_source);
 164                 return;
 165         }
 166
 167         document.getElementById('next_button').className = 'hide';
 168
 169         if (current_startPage == 1)
 170                 document.getElementById('prev_button').className = 'hide';
 171         else
 172                 document.getElementById('prev_button').className = '';
 173
 174         var tot = document.getElementById('total');
 175         while (tot.lastChild)
 176                         tot.removeChild(tot.lastChild);
 177
 178         var src = document.getElementById('result_sources');
 179         while (src.lastChild)
 180                         src.removeChild(src.lastChild);
 181
 182         document.getElementById('int_res_hide').className = 'noshow';
 183         document.getElementById('col_res_hide').className = 'noshow';
 184
 185         var tab = document.getElementById('int_res');
 186         while (tab.lastChild)
 187                         tab.removeChild(tab.lastChild);
 188
 189         tab = document.getElementById('col_res');
 190         while (tab.lastChild)
 191                         tab.removeChild(tab.lastChild);
 192
 193         search_count = 0;
 194
 195         var sources = new Array();
 196         var selector = document.getElementsByName('source');
 197         for (var i = 0; i < selector.length; i++) {
 198                 if (selector[i].checked) {
 199                         sources.push(selector[i].value);
 200                 }
 201         }
 202
 203         search_templates = [];
 204         for (var i in sources) {
 205                 create_search( sources[i] );
 206         }
 207
 208         current_startIndex = (current_count * (current_startPage - 1)) + 1;
 209
 210         search_urls = [];
 211         for (var i in search_templates) {
 212                 if (!search_templates[i])
 213                         continue;
 214
 215                 if (!rel_scales[i])
 216                         rel_scales[i] = 0;
 217
 218                 var url = search_templates[i].replace(/\{searchTerms\}/,encodeURIComponent(term));
 219                 url = url.replace(/\{startPage\}/,current_startPage);
 220                 url = url.replace(/\{startIndex\}/,current_startIndex);
 221                 url = url.replace(/\{count\}/,current_count);
 222                 url = url.replace(/\{relevanceScale}/,rel_scales[i]);
 223                 search_urls[i] = proxy + encodeURIComponent(url);
 224
 225                 src.innerHTML += '<a name="' + i + '" href="' + url + '">' + url + '</a><br>';
 226         }
 227
 228         for (var i in search_urls) {
 229                 if (!search_templates[i])
 230                         continue;
 231
 232                 perform_search(i);
 233         }
 234
 235         document.getElementById('page_label').innerHTML = current_startPage;
 236 }
 237
 238 function perform_search ( source ) {
 239         var req = create_requestor();
 240
 241         req.onreadystatechange = function () {
 242                 if (req.readyState != 4)
 243                         return;
 244
 245                 var xml = req.responseXML;
 246
 247                 var desc  = getElementTextNS('','description',xml,0);
 248                 var xml_link  = getElementTextNS('','link',xml,0);
 249
 250                 var total  = getElementFloatNS('openSearch','totalResults',xml,0);
 251                 var integratible = (getElementNS('openIll','relevance',xml,0) != null);
 252                 var scale = getElementFloatNS('openIll','relevanceScale',xml,0);
 253
 254                 rel_scales[source]  = scale;
 255
 256                 var tot = document.getElementById('total');
 257                 var current_tot = parseFloat(tot.textContent);
 258                 var res_type = document.getElementById('res_type');
 259
 260                 if (res_type.options[res_type.selectedIndex].value == 'col')
 261                         integratible = 0;
 262
 263                 if (!current_tot)
 264                         current_tot = 0;
 265
 266                 if (total > (current_startPage * current_count))
 267                         document.getElementById('next_button').className = '';
 268
 269                 current_tot += total
 270                 tot.innerHTML = current_tot;
 271
 272                 var list = xml.getElementsByTagName('item');
 273                 for (var i = 0; i < list.length; i++) {
 274
 275                         if ( typeof list[i] != 'object')
 276                                         continue;
 277
 278                         var tab;
 279                         if (!integratible) {
 280                                 tab = document.getElementById('col_res');
 281                                 document.getElementById('col_res_hide').className = '';
 282                                 var col = document.getElementById(source);
 283                                 if (!col) {
 284                                         var row = tab.rows[0];
 285                                         if (!row)
 286                                                 row = tab.insertRow(0);
 287
 288                                         col = document.createElement('td');
 289                                         col.setAttribute('id',source);
 290                                         col.setAttribute('name',source);
 291                                         row.appendChild(col);
 292
 293                                         tab = document.createElement('table');
 294                                         tab.setAttribute('valign','top');
 295                                         tab.setAttribute('class','col_tab');
 296
 297                                         var cap = document.createElement('caption');
 298                                         tab.appendChild(cap);
 299                                         cap.innerHTML = desc + ' -- <a href="' + xml_link + '">XML</a>';
 300
 301                                         col.appendChild(tab);
 302
 303                                         var per = parseInt(100 / (search_urls.length * 2)) - 1;
 304                                         col.setAttribute('valign','top');
 305                                         col.setAttribute('width', + per + '%');
 306
 307                                 } else {
 308                                         tab = col.firstChild;
 309                                 }
 310                         } else {
 311                                 tab = document.getElementById('int_res');
 312                                 document.getElementById('int_res_hide').className = '';
 313                         }
 314
 315                         if (!tab.rows.length) {
 316                                 add_result_row(tab, 0, list[i], source);
 317                         } else {
 318                                 for (var j = 0; j < tab.rows.length; j++) {
 319                                         if ( typeof tab.rows[j] != 'object')
 320                                                 continue;
 321
 322                                         var rank;
 323                                         try {
 324                                                 rank = getElementFloatNS('openIll','relevance',list[i],0);
 325                                         } catch (e) {
 326                                                 alert("error getting float relevance: " + e);
 327                                                 rank = 0;
 328                                         }
 329
 330                                         if ( rank < parseFloat(tab.rows[j].firstChild.firstChild.textContent) ) {
 331                                                 if ( (j + 1) == tab.rows.length) {
 332                                                         add_result_row(tab, tab.rows.length, list[i], source);
 333                                                         break
 334                                                 }
 335                                                 continue;
 336                                         }
 337                                         add_result_row(tab, j, list[i], source);
 338                                         break;
 339                                 }
 340                         }
 341                 }
 342         };
 343
 344         req.open('GET', proxy + encodeURIComponent(search_urls[source]), true);
 345         req.send(null);
 346 }
 347
 348
 349 // retrieve float of an XML document element, including
 350 // elements using namespaces
 351 function getElementFloatNS(prefix, local, parentElem, index) {
 352     var result = getElementNS(prefix, local, parentElem, index);
 353     if (result) {
 354         // get text, accounting for possible
 355         // whitespace (carriage return) text nodes
 356         if (result.childNodes.length > 1) {
 357             return parseFloat(result.childNodes[1].nodeValue);
 358         } else {
 359             return parseFloat(result.textContent);
 360         }
 361     } else {
 362         return 0;
 363     }
 364 }
 365
 366 function getElementNS(prefix, local, parentElem, index) {
 367     var result = "";
 368     if (prefix && isIE) {
 369         // IE/Windows way of handling namespaces
 370         return parentElem.getElementsByTagName(prefix + ":" + local)[index];
 371     } else {
 372         // the namespace versions of this method
 373         // (getElementsByTagNameNS()) operate
 374         // differently in Safari and Mozilla, but both
 375         // return value with just local name, provided
 376         // there aren't conflicts with non-namespace element
 377         // names
 378         return parentElem.getElementsByTagName(local)[index];
 379     }
 380 }
 381
 382 // retrieve text of an XML document element, including
 383 // elements using namespaces
 384 function getElementTextNS(prefix, local, parentElem, index) {
 385     var result = getElementNS(prefix, local, parentElem, index);
 386     if (result) {
 387         // get text, accounting for possible
 388         // whitespace (carriage return) text nodes
 389         if (result.childNodes.length > 1) {
 390             return result.childNodes[1].nodeValue;
 391         } else {
 392             return result.firstChild.nodeValue;
 393         }
 394     } else {
 395         return '';
 396     }
 397 }
 398
 399 function add_result_row (tab, index, xml, source) {
 400         var img = images[source];
 401         var rank,title,tlink,desc;
 402
 403         try {
 404                 rank = getElementFloatNS('openIll','relevance',xml,0);
 405         } catch (e) {
 406                 alert("error getting relevance: " + e);
 407                 rank = '0';
 408         }
 409
 410         try {
 411                 title = getElementTextNS('','title',xml,0);
 412         } catch (e) {
 413                 title = '';
 414         }
 415
 416         try {
 417                 tlink = getElementTextNS('','link',xml,0);
 418         } catch (e) {
 419                 tlink = '';
 420         }
 421
 422         try {
 423                 description = getElementTextNS('','description',xml,0);
 424                 if (description.length > 1024)
 425                         description = description.substring(1,1024);
 426         } catch (e) {
 427                 description = '';
 428         }
 429
 430         var row = tab.insertRow(index);
 431         row.setAttribute('name',source);
 432         row.className = 'res_tr';
 433         row.innerHTML = '<td style="padding: 4px"><div style="display: none; visibility: hidden;">' + rank +
 434                                                  '</div><span class="title_link"><a href="' + tlink + '">' + title +
 435                                                  '</a></span><br/><span class="desc_text">' + description + '</span></td>' +
 436                                                  '<td><img title="' + parseInt(rank) + '% Relevant" width="32" height="32" src="' + img + '"></td>';
 437 }
 438
 439 function create_search ( s ) {
 440         var req = create_requestor();
 441
 442         req.open('GET',proxy +  encodeURIComponent(s),false);
 443         req.send(null);
 444
 445         try {
 446                 var xml = req.responseXML;
 447                 search_templates[s] = xml.getElementsByTagName('Url')[0].textContent;
 448                 var i =  xml.getElementsByTagName('Image');
 449                 if (i.length)
 450                         images[s] = i[0].textContent;
 451                 return search_templates[s];
 452         } catch (e) {
 453                 alert('BAD XML!\n\n' + e + '\n\n' + req.responseText);
 454                 search_templates[s] = null;
 455                 images[s] = null;
 456         }
 457
 458 }
 459
 460 function remove_by_name( src ) {
 461         var list = document.getElementsByName(src);
 462
 463         var len = list.length;
 464
 465         while (list.length)
 466                 list[0].parentNode.removeChild(list[0]);
 467 }
 468
 469                 </script>
 470         </head>
 471         <body>
 472                 <br/>
 473                 <form>
 474                 <table style="border-collapse: collapse; margin: 5px;" width="100%">
 475                         <tr style="border-bottom: dotted black 1px;" valign="top">
 476                                 <td align="right">Keyword Search: </td>
 477                                 <td align="left">
 478                                         <input type="text" id="term" value="javascript"/>
 479                                         <input type="submit" value="Go!" onclick="insearch=true; opensearch(document.getElementById('term').value, true); return false;"/>
 480                                 </td>
 481                                 <td align="left">Hits per Source for each page:
 482                                         <select onchange="current_count=this.options[this.selectedIndex].value;">
 483                                                 <option value="5" selected>5</option>
 484                                                 <option value="10">10</option>
 485                                                 <option value="25">25</option>
 486                                         </select>
 487                                 </td>
 488                                 <td align="left">Display style:
 489                                         <select id="res_type">
 490                                                 <option value="int" selected>Merged Results</option>
 491                                                 <option value="col">Seperate Columns</option>
 492                                         </select>
 493                                 </td>
 494                         </tr>
 495                         <tr style="border-bottom: dotted black 1px;" valign="top">
 496                                 <td align="right">Sources: </td>
 497                                 <td colspan=2>
 498                                         <table width="100%" style="border-collapse: collapse;">
 499                                                 <tr>
 500                                                         <td>
 501                                                                 <label class="source_input">
 502                                                                         <input
 503                                                                                 onclick="
 504                                                                                         if(insearch) {
 505                                                                                                 if(this.checked) {
 506                                                                                                         opensearch(document.getElementById('term').value, false, this.value);
 507                                                                                                 } else {
 508                                                                                                         remove_by_name(this.value);
 509                                                                                                 }
 510                                                                                         }"
 511                                                                                 name="source"
 512                                                                                 type="checkbox"
 513                                                                                 value="http://gapines.org/opensearch.xml"
 514                                                                                 checked>GPLS Pines
 515                                                                 </label>
 516                                                         </td>
 517                                                         <td>
 518                                                                 <label class="source_input">
 519                                                                         <input
 520                                                                                 onclick="
 521                                                                                         if(insearch) {
 522                                                                                                 if(this.checked) {
 523                                                                                                         opensearch(document.getElementById('term').value, false, this.value);
 524                                                                                                 } else {
 525                                                                                                         remove_by_name(this.value);
 526                                                                                                 }
 527                                                                                         }"
 528                                                                                 name="source"
 529                                                                                 type="checkbox"
 530                                                                                 value="http://rsinger.library.gatech.edu/opensearch/osdd-gil.xml"
 531                                                                                 checked>GIL Universal Catalog
 532                                                                 </label>
 533                                                         </td>
 534                                                         <td>
 535                                                                 <label class="source_input">
 536                                                                         <input
 537                                                                                 onclick="
 538                                                                                         if(insearch) {
 539                                                                                                 if(this.checked) {
 540                                                                                                         opensearch(document.getElementById('term').value, false, this.value);
 541                                                                                                 } else {
 542                                                                                                         remove_by_name(this.value);
 543                                                                                                 }
 544                                                                                         }"
 545                                                                                 name="source"
 546                                                                                 type="checkbox"
 547                                                                                 value="http://search.athenscounty.lib.oh.us/cgi-bin/koha/opensearchdescription">NPL/Koha
 548                                                                 </label>
 549                                                         </td>
 550                                                         <td>
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 563                                                                                 value="http://www.koders.com/search/KodersSourceCodeSearchDescription.xml">Koders Source Code
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 565                                                         </td>
 566                                                         <td>
 567                                                 </tr>
 568                                                 <tr>
 569                                                         <td>
 570                                                                 <label class="source_input">
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 576                                                                                                 } else {
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 580                                                                                 name="source"
 581                                                                                 type="checkbox"
 582                                                                                 value="http://cnx.rice.edu/content/opensearchdescription">rice.edu Connexions
 583                                                                 </label>
 584                                                         </td>
 585                                                         <td>
 586                                                                 <label class="source_input">
 587                                                                         <input
 588                                                                                 onclick="
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 592                                                                                                 } else {
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 597                                                                                 type="checkbox"
 598                                                                                 value="http://redlightgreen.com/ucwprod/web/opensearchDescription.xml">RedLightGreen
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 603                                                                         <input
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 605                                                                                         if(insearch) {
 606                                                                                                 if(this.checked) {
 607                                                                                                         opensearch(document.getElementById('term').value, false, this.value);
 608                                                                                                 } else {
 609                                                                                                         remove_by_name(this.value);
 610                                                                                                 }
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 612                                                                                 name="source"
 613                                                                                 type="checkbox"
 614                                                                                 value="http://www.itpapers.com/itpaperssearchdescription.xml">ITPapers
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 619                                         </table>
 620                                 </td>
 621                         </tr>
 622                         <tr>
 623                                 <td>Total results: </td>
 624                                 <td colspan=2 id="total"></td>
 625                         </tr>
 626                         <tr>
 627                                 <td>Current page: </td>
 628                                 <td id="page_label"></td>
 629                                 <td>
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 632                                                 id='prev_button'
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 647                                                         }
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 649                                         </button>
 650                                 </td>
 651                         </tr>
 652                 </table>
 653                 </form>
 654
 655                 <hr/>
 656                 <br/>
 657                 <table id="results" width="100%">
 658                         <tr>
 659                                 <td id="int_res_hide" class="noshow" width="100%">
 660                                         <table width="100%">
 661                                                 <caption class="header">Merged search results</caption>
 662                                                 <tr>
 663                                                         <td width="100%">
 664                                                                 <table id='int_res' class="res_table" width="100%"></table>
 665                                                         </td>
 666                                                 </tr>
 667                                         </table>
 668                                 </td>
 669                                 <td id='col_res_hide' class="noshow">
 670                                         <table>
 671                                                 <caption class="header">Unranked search results</caption>
 672                                                 <tr>
 673                                                         <td>
 674                                                                 <table id='col_res' class="res_table"></table>
 675                                                         </td>
 676                                                 </tr>
 677                                         </table>
 678                                 </td>
 679                         </tr>
 680                 </table>
 681                 <div id="result_sources"></div>
 682                 <br/>
 683         </body>
 684 </html>