1 /* A very simple client that shows a basic usage of the pz2.js
4 "use strict"; // HTML5: disable for debug >= 2
7 * global config object: mkws_config
9 * needs to be defined in the HTML header before
10 * including this JS file
14 var mkws_config = {}; // for the guys who forgot to define mkws_config...
16 if (typeof mkws_config.use_service_proxy === 'undefined')
17 mkws_config.use_service_proxy = true;
22 var pazpar2_url = mkws_config.pazpar2_url ? mkws_config.pazpar2_url : "/pazpar2/search.pz2";
23 var service_proxy_url = mkws_config.service_proxy_url ? mkws_config.service_proxy_url : "http://mkws.indexdata.com/service-proxy/";
25 var pazpar2path = mkws_config.use_service_proxy ? service_proxy_url : pazpar2_url;
26 var usesessions = mkws_config.use_service_proxy ? false : true;
29 var mkws_locale_lang = {
32 "Subjects": "Schlagwörter",
33 "Sources": "Daten und Quellen",
34 "Termlists": "Termlisten",
36 "Prev": "Zurück",
38 "Sort by": "Sortieren nach",
39 "and show": "und zeige",
40 "per page": "pro Seite",
41 "Displaying": "Zeige",
48 "Subject": "Schlagwort",
55 "Authors": "Forfattere",
58 "Termlists": "Termlists",
59 "Next": "Næste",
61 "Search": "Søg",
62 "Sort by": "Sorter efter",
64 "per page": "per side",
65 "Displaying": "Viser",
70 "Author": "Forfatter",
73 "Location": "Lokation",
79 // create a parameters array and pass it to the pz2's constructor
80 // then register the form submit event with the pz2.search function
81 // autoInit is set to true on default
82 var my_paz = new pz2( { "onshow": my_onshow,
83 "showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
84 "pazpar2path": pazpar2path,
88 "termlist": "xtargets,subject,author",
89 "onbytarget": my_onbytarget,
90 "usesessions" : usesessions,
91 "showResponseType": '', // or "json" (for debugging?)
92 "onrecord": my_onrecord } );
98 var curDetRecData = null;
99 var curSort = 'relevance';
100 var curFilter = null;
101 var submitted = false;
107 // pz2.js event handlers:
109 function my_oninit() {
114 function my_onshow(data) {
115 totalRec = data.merged;
117 var pager = document.getElementById("mkwsPager");
118 pager.innerHTML = "";
119 pager.innerHTML +='<div style="float: right">' + M('Displaying') + ': '
120 + (data.start + 1) + ' ' + M('to') + ' ' + (data.start + data.num) +
121 ' ' + M('of') + ' ' + data.merged + ' (' + M('found') + ': '
122 + data.total + ')</div>';
125 var results = document.getElementById("mkwsRecords");
128 for (var i = 0; i < data.hits.length; i++) {
129 var hit = data.hits[i];
130 html.push('<div class="record" id="mkwsRecdiv_'+hit.recid+'" >'
131 +'<span>'+ (i + 1 + recPerPage * (curPage - 1)) +'. </span>'
132 +'<a href="#" id="mkwsRec_'+hit.recid
133 +'" onclick="showDetails(this.id);return false;"><b>'
134 + hit["md-title"] +' </b></a>');
135 if (hit["md-title-remainder"] !== undefined) {
136 html.push('<span>' + hit["md-title-remainder"] + ' </span>');
138 if (hit["md-title-responsibility"] !== undefined) {
139 html.push('<span><i>'+hit["md-title-responsibility"]+'</i></span>');
141 if (hit.recid == curDetRecId) {
142 html.push(renderDetails(curDetRecData));
146 replaceHtml(results, html.join(''));
149 function my_onstat(data) {
150 var stat = document.getElementById("mkwsStat");
154 stat.innerHTML = '<span class="head">Status info</span>' +
156 '<span class="clients">' + data.activeclients + '/' + data.clients + '</span>' +
158 '<span class="records">' + data.records + '/' + data.hits + '</span>';
161 function my_onterm(data) {
163 if (!mkws_config.facets || mkws_config.facets.length == 0) {
164 $("#mkwsTermlists").hide();
168 // display if we first got results
169 $("#mkwsTermlists").show();
172 acc.push('<div class="title">' + M('Termlists') + '</div>');
173 var facets = mkws_config.facets;
175 for(var i = 0; i < facets.length; i++) {
176 if (facets[i] == "sources") {
177 add_single_facet(acc, "Sources", data.xtargets, SourceMax, null);
178 } else if (facets[i] == "subjects") {
179 add_single_facet(acc, "Subjects", data.subject, SubjectMax, "su");
180 } else if (facets[i] == "authors") {
181 add_single_facet(acc, "Authors", data.author, AuthorMax, "au");
183 alert("bad facet configuration: '" + facets[i] + "'");
187 var termlist = document.getElementById("mkwsTermlists");
188 replaceHtml(termlist, acc.join(''));
190 if (mkws_config.responsive_design)
191 mkws_mobile_resize();
194 function add_single_facet(acc, caption, data, max, cclIndex) {
195 acc.push('<div class="facet">');
196 acc.push('<div class="termtitle">' + M(caption) + '</div>');
197 for (var i = 0; i < data.length && i < max; i++ ) {
198 acc.push('<a href="#" ');
201 // Special case: target selection
202 acc.push('target_id='+data[i].id+' ');
203 action = 'limitTarget(this.getAttribute(\'target_id\'),this.firstChild.nodeValue)';
205 action = 'limitQuery(\'' + cclIndex + '\', this.firstChild.nodeValue)';
207 acc.push('onclick="' + action + ';return false;">' + data[i].name + '</a>'
208 + '<span> (' + data[i].freq + ')</span><br/>');
213 function my_onrecord(data) {
214 // FIXME: record is async!!
215 clearTimeout(my_paz.recordTimer);
216 // in case on_show was faster to redraw element
217 var detRecordDiv = document.getElementById('mkwsDet_'+data.recid);
218 if (detRecordDiv) return;
219 curDetRecData = data;
220 var recordDiv = document.getElementById('mkwsRecdiv_'+curDetRecData.recid);
221 var html = renderDetails(curDetRecData);
222 recordDiv.innerHTML += html;
225 function my_onbytarget(data) {
226 var targetDiv = document.getElementById("mkwsBytarget");
227 var table ='<table><thead><tr><td>Target ID</td><td>Hits</td><td>Diags</td>'
228 +'<td>Records</td><td>State</td></tr></thead><tbody>';
230 for (var i = 0; i < data.length; i++ ) {
231 table += "<tr><td>" + data[i].id +
232 "</td><td>" + data[i].hits +
233 "</td><td>" + data[i].diagnostic +
234 "</td><td>" + data[i].records +
235 "</td><td>" + data[i].state + "</td></tr>";
238 table += '</tbody></table>';
239 targetDiv.innerHTML = table;
242 ////////////////////////////////////////////////////////////////////////////////
243 ////////////////////////////////////////////////////////////////////////////////
245 // wait until the DOM is ready
248 document.mkwsSearchForm.onsubmit = onFormSubmitEventHandler;
249 document.mkwsSearchForm.mkwsQuery.value = '';
250 if (document.mkwsSelect) {
251 if (document.mkwsSelect.mkwsSort)
252 document.mkwsSelect.mkwsSort.onchange = onSelectDdChange;
253 if (document.mkwsSelect.mkwsPerpage)
254 document.mkwsSelect.mkwsPerpage.onchange = onSelectDdChange;
258 // when search button pressed
259 function onFormSubmitEventHandler()
264 switchView('records'); // In case it's configured to start off as hidden
269 function onSelectDdChange()
271 if (!submitted) return false;
274 my_paz.show(0, recPerPage, curSort);
284 function triggerSearch ()
286 my_paz.search(document.mkwsSearchForm.mkwsQuery.value, recPerPage, curSort, curFilter);
289 function loadSelect ()
291 if (document.mkwsSelect) {
292 if (document.mkwsSelect.mkwsSort)
293 curSort = document.mkwsSelect.mkwsSort.value;
294 if (document.mkwsSelect.mkwsPerpage)
295 recPerPage = document.mkwsSelect.mkwsPerpage.value;
299 // limit the query after clicking the facet
300 function limitQuery (field, value)
302 document.mkwsSearchForm.query.value += ' and ' + field + '="' + value + '"';
303 onFormSubmitEventHandler();
306 // limit by target functions
307 function limitTarget (id, name)
309 var navi = document.getElementById('mkwsNavi');
311 'Source: <a class="crossout" href="#" onclick="delimitTarget();return false;">'
313 curFilter = 'pz:id=' + id;
320 function delimitTarget ()
322 var navi = document.getElementById('mkwsNavi');
331 function drawPager (pagerDiv)
333 //client indexes pages from 1 but pz2 from 0
335 var pages = Math.ceil(totalRec / recPerPage);
337 var firstClkbl = ( curPage - onsides > 0 )
341 var lastClkbl = firstClkbl + 2*onsides < pages
342 ? firstClkbl + 2*onsides
345 var prev = '<span id="mkwsPrev"><< ' + M('Prev') + '</span><b> | </b>';
347 prev = '<a href="#" id="mkwsPrev" onclick="pagerPrev();">'
348 +'<< ' + M('Prev') + '</a><b> | </b>';
351 for(var i = firstClkbl; i <= lastClkbl; i++) {
354 numLabel = '<b>' + i + '</b>';
356 middle += '<a href="#" onclick="showPage(' + i + ')"> '
357 + numLabel + ' </a>';
360 var next = '<b> | </b><span id="mkwsNext">' + M('Next') + ' >></span>';
361 if (pages - curPage > 0)
362 next = '<b> | </b><a href="#" id="mkwsNext" onclick="pagerNext()">'
363 + M('Next') + ' >></a>';
370 if (lastClkbl < pages)
373 pagerDiv.innerHTML += '<div style="float: clear">'
374 + prev + predots + middle + postdots + next + '</div>';
377 function showPage (pageNum)
380 my_paz.showPage( curPage - 1 );
383 // simple paging functions
385 function pagerNext() {
386 if ( totalRec - recPerPage*curPage > 0) {
392 function pagerPrev() {
393 if ( my_paz.showPrev() != false )
397 // switching view between targets and records
399 function switchView(view) {
400 var targets = document.getElementById('mkwsTargets');
401 var results = document.getElementById('mkwsResults');
402 var records = document.getElementById('mkwsRecords');
403 var blanket = document.getElementById('mkwsBlanket');
407 if (targets) targets.style.display = "block";
409 results.style.display = "none";
411 records.style.display = "none";
413 if (blanket) blanket.style.display = "none";
416 if (targets) targets.style.display = "none";
418 results.style.display = "block";
420 records.style.display = "block";
422 if (blanket) blanket.style.display = "block";
425 if (targets) targets.style.display = "none";
427 results.style.display = "none";
429 records.style.display = "none";
431 if (blanket) blanket.style.display = "none";
434 alert("Unknown view '" + view + "'");
438 // detailed record drawing
439 function showDetails (prefixRecId) {
440 var recId = prefixRecId.replace('mkwsRec_', '');
441 var oldRecId = curDetRecId;
444 // remove current detailed view if any
445 var detRecordDiv = document.getElementById('mkwsDet_'+oldRecId);
448 detRecordDiv.parentNode.removeChild(detRecordDiv);
450 // if the same clicked, just hide
451 if (recId == oldRecId) {
453 curDetRecData = null;
456 // request the record
457 my_paz.record(recId);
460 function replaceHtml(el, html) {
461 var oldEl = typeof el === "string" ? document.getElementById(el) : el;
462 /*@cc_on // Pure innerHTML is slightly faster in IE
463 oldEl.innerHTML = html;
466 var newEl = oldEl.cloneNode(false);
467 newEl.innerHTML = html;
468 oldEl.parentNode.replaceChild(newEl, oldEl);
469 /* Since we just removed the old element from the DOM, return a reference
470 to the new element, which can be used to restore variable references. */
474 function renderDetails(data, marker)
476 var details = '<div class="details" id="mkwsDet_'+data.recid+'"><table>';
477 if (marker) details += '<tr><td>'+ marker + '</td></tr>';
479 details += renderField("Title", data["md-title"], data["md-title-remainder"], data["md-title-responsibility"]);
480 details += renderField("Date", data["md-date"]);
481 details += renderField("Author", data["md-author"]);
482 details += renderField("URL", data["md-electronic-url"]);
483 details += renderField("Subject", data["location"][0]["md-subject"]);
484 details += renderField("Location", data["location"][0]["@name"], data["location"][0]["@id"]);
485 details += '</table></div>';
490 function renderField(caption, data, data2, data3) {
491 if (data === undefined) {
495 if (caption == "URL") {
496 data = '<a href="' + data + '" target="_blank">' + data + '</a>';
499 if (data2 != undefined) {
500 data = data + " (" + data2 + ")";
503 if (data3 != undefined) {
504 data = data + " <i>" + data3 + "</i>";
507 return '<tr><th>' + M(caption) + '</th><td>' + data + '</td></tr>';
512 * All the HTML stuff to render the search forms and
515 function mkws_html_all(config) {
517 /* default mkws config */
518 var mkws_config_default = {
519 sort: [["relevance"], ["title:1", "title"], ["date:0", "newest"], ["date:1", "oldest"]],
520 perpage: [10, 20, 30, 50],
521 sort_default: "relevance",
524 switch_menu: false, /* show/hide Records|Targets menu */
525 lang_menu: true, /* show/hide language menu */
526 sort_menu: true, /* show/hide sort menu */
527 perpage_menu: true, /* show/hide perpage menu */
528 lang_display: [], /* display languages links for given languages, [] for all */
529 facets: ["sources", "subjects", "authors"], /* display facets, in this order, [] for none */
530 responsive_design_width: 980, /* a page with less pixel width considered as mobile */
531 debug: 1, /* debug level for development: 0..2 */
536 /* set global debug flag early */
537 if (typeof config.debug !== 'undefined') {
538 mkws_debug = config.debug;
539 } else if (typeof mkws_config_default.debug !== 'undefined') {
540 mkws_debug = mkws_config_default.debug;
543 /* override standard config values by function parameters */
544 for (var k in mkws_config_default) {
545 if (typeof config[k] === 'undefined')
546 mkws_config[k] = mkws_config_default[k];
547 debug("Set config: " + k + ' => ' + mkws_config[k]);
550 if (mkws_config.query_width < 5 || mkws_config.query_width > 150) {
551 debug("Reset query width: " + mkws_config.query_width);
552 mkws_config.query_width = 50;
555 mkws_set_lang(mkws_config);
556 if (mkws_config.lang_menu)
557 mkws_html_lang(mkws_config);
559 // For some reason, doing this programmatically results in
560 // document.mkwsSearchForm.mkwsQuery being undefined, hence the raw HTML.
561 debug("HTML search form");
562 $("#mkwsSearch").html('\
563 <form name="mkwsSearchForm" action="" >\
564 <input id="mkwsQuery" type="text" size="' + mkws_config.query_width + '" />\
565 <input id="mkwsButton" type="submit" value="' + M('Search') + '" />\
568 debug("HTML records");
569 // If the application has an #mkwsResults, populate it in the
570 // usual way. If not, assume that it's a smarter application that
571 // defines its own subcomponents:
577 if ($("#mkwsResults").length) {
578 $("#mkwsResults").html('\
579 <table width="100%" border="0" cellpadding="6" cellspacing="0">\
581 <td width="250" valign="top">\
582 <div id="mkwsTermlists"></div>\
585 <div id="mkwsRanking"></div>\
586 <div id="mkwsPager"></div>\
587 <div id="mkwsNavi"></div>\
588 <div id="mkwsRecords"></div>\
594 if ($("#mkwsRanking").length) {
595 var ranking_data = '';
596 ranking_data += '<form name="mkwsSelect" id="mkwsSelect" action="" >';
597 if (config.sort_menu) {
598 ranking_data += M('Sort by') + ' ' + mkws_html_sort(config) + ' ';
600 if (config.perpage_menu) {
601 ranking_data += M('and show') + ' ' + mkws_html_perpage(config) + ' ' + M('per page') + '.';
603 ranking_data += '</form>';
605 $("#mkwsRanking").html(ranking_data);
608 mkws_html_switch(config);
610 if (mkws_config.use_service_proxy)
611 mkws_service_proxy_auth(config.service_proxy_auth);
613 if (mkws_config.responsive_design)
614 mkws_responsive_design();
618 // on first page, hide the termlist
619 $(document).ready(function() { $("#mkwsTermlists").hide(); } );
622 /* Responsive web design - change layout on the fly depending on
623 * the current screen size width/height. Required for mobile devices.
625 function mkws_responsive_design () {
628 $(window).resize( function(e) {
630 clearTimeout(timeout);
631 timeout = setTimeout(function () { mkws_mobile_resize() }, 50);
634 // initial check after page load
635 $(document).ready(function() { mkws_mobile_resize() });
638 function mkws_set_lang(mkws_config) {
639 var lang = jQuery.parseQuerystring().lang || mkws_config.lang || "";
640 if (!lang || !mkws_locale_lang[lang]) {
641 mkws_config.lang = ""
643 mkws_config.lang = lang;
646 debug("Locale language: " + (mkws_config.lang ? mkws_config.lang : "none"));
647 return mkws_config.lang;
650 function mkws_html_switch(config) {
651 debug("HTML switch");
653 $("#mkwsSwitch").html($("<a/>", {
655 onclick: "switchView(\'records\')",
658 $("#mkwsSwitch").append($("<span/>", { text: " | " }));
659 $("#mkwsSwitch").append($("<a/>", {
661 onclick: "switchView(\'targets\')",
665 debug("HTML targets");
666 $("#mkwsTargets").html('\
667 <div id="mkwsBytarget">\
668 No information available yet.\
670 $("#mkwsTargets").css("display", "none");
672 if (!config.switch_menu) {
673 debug("disable switch menu");
674 $("#mkwsSwitch").css("display", "none");
678 function mkws_html_sort(config) {
680 var sort_html = '<select name="mkwsSort" id="mkwsSort">';
682 for(var i = 0; i < config.sort.length; i++) {
683 var key = config.sort[i][0];
684 var val = config.sort[i].length == 1 ? config.sort[i][0] : config.sort[i][1];
686 sort_html += '<option value="' + key + '"';
687 if (key == config.sort_default) {
688 sort_html += ' selected="selected"';
690 sort_html += '>' + val + '</option>';
692 sort_html += '</select>';
697 function mkws_html_perpage(config) {
698 debug("HTML perpage");
699 var perpage_html = '<select name="mkwsPerpage" id="mkwsPerpage">';
701 for(var i = 0; i < config.perpage.length; i++) {
702 var key = config.perpage[i];
704 perpage_html += '<option value="' + key + '"';
705 if (key == config.perpage_default) {
706 perpage_html += ' selected="selected"';
708 perpage_html += '>' + key + '</option>';
710 perpage_html += '</select>';
716 * Run service-proxy authentication in background (after page load).
717 * The username/password is configured in the apache config file
720 function mkws_service_proxy_auth(auth_url) {
722 auth_url = "http://mkws.indexdata.com/service-proxy-auth";
724 debug("Run service proxy auth URL: " + auth_url);
726 var request = new pzHttpRequest(auth_url);
727 request.get(null, function(data) {
728 if (!jQuery.isXMLDoc(data)) {
729 alert("service proxy auth response document is not valid XML document, give up!");
732 var status = $(data).find("status");
733 if (status.text() != "OK") {
734 alert("service proxy auth repsonse status: " + status.text() + ", give up!");
740 /* create locale language menu */
741 function mkws_html_lang(mkws_config) {
742 var lang_default = "en";
743 var lang = mkws_config.lang || lang_default;
746 /* display a list of configured languages, or all */
747 var lang_display = mkws_config.lang_display || [];
749 for (var i = 0; i < lang_display.length; i++) {
750 hash[lang_display[i]] = 1;
753 for (var k in mkws_locale_lang) {
754 if (hash[k] == 1 || lang_display.length == 0)
759 if (lang_display.length == 0 || hash[lang_default] == 1)
760 list.push(lang_default);
762 debug("Language menu for: " + list.join(", "));
766 for(var i = 0; i < list.length; i++) {
773 data += ' <span>' + l + '</span> ';
775 data += ' <a href="?lang=' + l + '">' + l + '</a> '
779 $("#mkwsLang").html(data);
782 function mkws_mobile_resize () {
783 debug("resize width: " + $(window).height() + ", width: " + $(window).width());
784 var list = ["mkwsSwitch"];
786 // alert($(window).width());
788 var width = mkws_config.responsive_design_width || 980;
790 if ($(window).width() <= width) {
791 for(var i = 0; i < list.length; i++) {
792 $("#" + list[i]).hide();
795 $("#mkwsTermlists").hide();
796 obj = $("#mkwsTermlists").html();
797 $("#mkwsShiftedTermlists").html(obj);
799 for(var i = 0; i < list.length; i++) {
800 $("#" + list[i]).show();
802 $("#mkwsTermlists").show();
803 $("#mkwsShiftedTermlists").html("");
809 var lang = mkws_config.lang;
811 if (!lang || !mkws_locale_lang[lang])
814 return mkws_locale_lang[lang][word] ? mkws_locale_lang[lang][word] : word;
817 /* implement jQuery.parseQuerystring() for parsing URL parameters */
819 parseQuerystring: function() {
821 var qs = window.location.search.replace('?', '');
822 var pairs = qs.split('&');
823 $.each(pairs, function(i, v){
824 var pair = v.split('=');
825 nvpair[pair[0]] = pair[1];
829 pazpar2: function(data) {
830 document.write('<div id="mkwsSwitch"></div>\
831 <div id="mkwsLang"></div>\
832 <div id="mkwsSearch"></div>\
833 <div id="mkwsResults"></div>\
834 <div id="mkwsTargets"></div>\
835 <div id="mkwsFooter">\
836 <div id="mkwsStat"></div>\
837 <span>Powered by MKWS © 2013 <a target="_new" href="http://www.indexdata.com">Index Data</a></span>\
840 mkws_html_all(mkws_config);
844 function debug(string) {
848 if (typeof console === "undefined" || typeof console.log === "undefined") { /* ARGH!!! old IE */
852 // you need to disable use strict at the top of the file!!!
853 if (mkws_debug >= 3) {
854 console.log(arguments.callee.caller);
855 } else if (mkws_debug >= 2) {
856 console.log(">>> called from function " + arguments.callee.caller.name + ' <<<');
862 $(document).ready(function() { mkws_html_all(mkws_config) });