1 /*! MKWS, the MasterKey Widget Set.
2 * Copyright (C) 2013-2014 Index Data
3 * See the file LICENSE for details
6 "use strict"; // HTML5: disable for log_level >= 2
9 // Set up global mkws object. Contains truly global state such as SP
10 // authentication, and a hash of team objects, indexed by team-name.
13 $: $, // Our own local copy of the jQuery object
15 log_level: 1, // Will be overridden from mkws.config, but
16 // initial value allows jQuery popup to use logging.
18 widgetType2function: {},
23 "Subjects": "Schlagwörter",
24 "Sources": "Daten und Quellen",
25 "source": "datenquelle",
26 "Termlists": "Termlisten",
28 "Prev": "Zurück",
30 "Sort by": "Sortieren nach",
31 "and show": "und zeige",
32 "per page": "pro Seite",
33 "Displaying": "Zeige",
41 "Subject": "Schlagwort",
42 "subject": "schlagwort",
44 "Records": "Datensätze",
45 "Targets": "Datenbanken",
51 "Authors": "Forfattere",
55 "Termlists": "Termlists",
56 "Next": "Næste",
58 "Search": "Søg",
59 "Sort by": "Sorter efter",
61 "per page": "per side",
62 "Displaying": "Viser",
67 "Author": "Forfatter",
68 "author": "forfatter",
72 "Location": "Lokation",
81 // We may be using a separate copy
82 if (!mkws_jQuery) mkws_jQuery = jQuery;
85 mkws.log = function(string) {
89 if (typeof console === "undefined" || typeof console.log === "undefined") { /* ARGH!!! old IE */
93 // you need to disable use strict at the top of the file!!!
94 if (mkws.log_level >= 3) {
95 // Works in Chrome; not sure about elsewhere
97 } else if (mkws.log_level >= 2) {
98 console.log(">>> called from function " + arguments.callee.caller.name + ' <<<');
104 // Translation function.
105 mkws.M = function(word) {
106 var lang = mkws.config.lang;
108 if (!lang || !mkws.locale_lang[lang])
111 return mkws.locale_lang[lang][word] || word;
115 // This function is taken from a StackOverflow answer
116 // http://stackoverflow.com/questions/901115/how-can-i-get-query-string-values-in-javascript/901144#901144
117 mkws.getParameterByName = function(name, url) {
118 if (!url) url = location.search;
119 name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
120 var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
121 results = regex.exec(url);
122 return results == null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
126 mkws.registerWidgetType = function(name, fn) {
127 mkws.widgetType2function[name] = fn;
128 mkws.log("registered widget-type '" + name + "'");
131 mkws.promotionFunction = function(name) {
132 return mkws.widgetType2function[name];
136 mkws.setMkwsConfig = function(overrides) {
137 // Set global log_level flag early so that mkws.log() works
138 // Fall back to old "debug_level" setting for backwards compatibility
139 var tmp = overrides.log_level;
140 if (typeof(tmp) === 'undefined') tmp = overrides.debug_level;
141 if (typeof(tmp) !== 'undefined') mkws.log_level = tmp;
143 var config_default = {
144 use_service_proxy: true,
145 pazpar2_url: "//mkws.indexdata.com/service-proxy/",
146 service_proxy_auth: "//mkws.indexdata.com/service-proxy-auth",
148 sort_options: [["relevance"], ["title:1", "title"], ["date:0", "newest"], ["date:1", "oldest"]],
149 perpage_options: [10, 20, 30, 50],
150 sort_default: "relevance",
153 show_lang: true, /* show/hide language menu */
154 show_sort: true, /* show/hide sort menu */
155 show_perpage: true, /* show/hide perpage menu */
156 show_switch: true, /* show/hide switch menu */
157 lang_options: [], /* display languages links for given languages, [] for all */
158 facets: ["xtargets", "subject", "author"], /* display facets, in this order, [] for none */
159 responsive_design_width: undefined, /* a page with less pixel width considered as narrow */
160 log_level: 1, /* log level for development: 0..2 */
165 mkws.config = mkws.objectInheritingFrom(config_default);
166 for (var k in overrides) {
167 mkws.config[k] = overrides[k];
172 // This code is from Douglas Crockford's article "Prototypal Inheritance in JavaScript"
173 // http://javascript.crockford.com/prototypal.html
174 // mkws.objectInheritingFrom behaves the same as Object.create,
175 // but since the latter is not available in IE8 we can't use it.
177 mkws.objectInheritingFrom = function(o) {
184 mkws.defaultTemplate = function(name) {
185 if (name === 'Record') {
189 <th>{{mkws-translate "Title"}}</th>\
192 {{#if md-title-remainder}}\
193 ({{md-title-remainder}})\
195 {{#if md-title-responsibility}}\
196 <i>{{md-title-responsibility}}</i>\
202 <th>{{mkws-translate "Date"}}</th>\
203 <td>{{md-date}}</td>\
208 <th>{{mkws-translate "Author"}}</th>\
209 <td>{{md-author}}</td>\
212 {{#if md-electronic-url}}\
214 <th>{{mkws-translate "Links"}}</th>\
216 {{#each md-electronic-url}}\
217 <a href="{{this}}">Link{{mkws-index1}}</a>\
222 {{#mkws-if-any location having="md-subject"}}\
224 <th>{{mkws-translate "Subject"}}</th>\
226 {{#mkws-first location having="md-subject"}}\
228 {{#mkws-commaList md-subject}}\
229 {{this}}{{/mkws-commaList}}\
236 <th>{{mkws-translate "Locations"}}</th>\
238 {{#mkws-commaList location}}\
239 {{mkws-attr "@name"}}{{/mkws-commaList}}\
244 } else if (name === "Summary") {
246 <a href="#" id="{{_id}}" onclick="{{_onclick}}">\
249 {{#if md-title-remainder}}\
250 <span>{{md-title-remainder}}</span>\
252 {{#if md-title-responsibility}}\
253 <span><i>{{md-title-responsibility}}</i></span>\
256 } else if (name === "Image") {
258 <a href="#" id="{{_id}}" onclick="{{_onclick}}">\
259 {{#mkws-first md-thumburl}}\
260 <img src="{{this}}" alt="{{../md-title}}"/>\
265 } else if (name === 'Facet') {
269 onclick="mkws.{{fn}}(\'{{team}}\', \'{{field}}\', \'{{term}}\');return false;"\
272 <span>{{count}}</span>\
280 // The following functions are dispatchers for team methods that
281 // are called from the UI using a team-name rather than implicit
283 mkws.switchView = function(tname, view) {
284 mkws.teams[tname].switchView(view);
287 mkws.showDetails = function(tname, prefixRecId) {
288 mkws.teams[tname].showDetails(prefixRecId);
291 mkws.limitTarget = function(tname, id, name) {
292 mkws.teams[tname].limitTarget(id, name);
295 mkws.limitQuery = function(tname, field, value) {
296 mkws.teams[tname].limitQuery(field, value);
299 mkws.limitCategory = function(tname, id) {
300 mkws.teams[tname].limitCategory(id);
303 mkws.delimitTarget = function(tname, id) {
304 mkws.teams[tname].delimitTarget(id);
307 mkws.delimitQuery = function(tname, field, value) {
308 mkws.teams[tname].delimitQuery(field, value);
311 mkws.showPage = function(tname, pageNum) {
312 mkws.teams[tname].showPage(pageNum);
315 mkws.pagerPrev = function(tname) {
316 mkws.teams[tname].pagerPrev();
319 mkws.pagerNext = function(tname) {
320 mkws.teams[tname].pagerNext();
324 // wrapper to provide local copy of the jQuery object.
328 function handleNodeWithTeam(node, callback) {
329 // First branch for DOM objects; second branch for jQuery objects
330 var classes = node.className || node.attr('class');
332 // For some reason, if we try to proceed when classes is
333 // undefined, we don't get an error message, but this
334 // function and its callers, up several stack level,
335 // silently return. What a crock.
336 log("handleNodeWithTeam() called on node with no classes");
339 var list = classes.split(/\s+/)
342 for (var i = 0; i < list.length; i++) {
344 if (cname.match(/^mkwsTeam_/)) {
345 teamName = cname.replace(/^mkwsTeam_/, '');
346 } else if (cname.match(/^mkws/)) {
347 type = cname.replace(/^mkws/, '');
351 if (!teamName) teamName = "AUTO";
352 callback.call(node, teamName, type);
356 function resizePage() {
357 var threshhold = mkws.config.responsive_design_width;
358 var width = $(window).width();
359 var from, to, method;
361 if ((mkws.width === undefined || mkws.width > threshhold) &&
362 width <= threshhold) {
363 from = "wide"; to = "narrow"; method = "hide";
364 } else if ((mkws.width === undefined || mkws.width <= threshhold) &&
365 width > threshhold) {
366 from = "narrow"; to = "wide"; method = "show";
371 log("changing from " + from + " to " + to + ": " + width);
372 for (var tname in mkws.teams) {
373 var team = mkws.teams[tname];
374 team.visitWidgets(function(t, w) {
375 var w1 = team.widget(t + "-Container-" + from);
376 var w2 = team.widget(t + "-Container-" + to);
382 w.node.appendTo(w2.node);
385 team.queue("resize-" + to).publish();
392 * Run service-proxy authentication in background (after page load).
393 * The username/password is configured in the apache config file
396 function authenticateSession(auth_url, auth_domain, pp2_url) {
397 log("service proxy authentication on URL: " + auth_url);
400 auth_domain = pp2_url.replace(/^(https?:)?\/\/(.*?)\/.*/, '$2');
401 log("guessed auth_domain '" + auth_domain + "' from pp2_url '" + pp2_url + "'");
404 var request = new pzHttpRequest(auth_url, function(err) {
405 alert("HTTP call for authentication failed: " + err)
409 request.get(null, function(data) {
410 if (!$.isXMLDoc(data)) {
411 alert("service proxy auth response document is not valid XML document, give up!");
414 var status = $(data).find("status");
415 if (status.text() != "OK") {
416 alert("service proxy auth response status: " + status.text() + ", give up!");
420 log("service proxy authentication successful");
421 mkws.authenticated = true;
422 var authName = $(data).find("displayName").text();
423 // You'd think there would be a better way to do this:
424 var realm = $(data).find("realm:not(realmAttributes realm)").text();
425 for (var teamName in mkws.teams) {
426 mkws.teams[teamName].queue("authenticated").publish(authName, realm);
434 function runAutoSearches() {
435 log("running auto searches");
437 for (var teamName in mkws.teams) {
438 mkws.teams[teamName].queue("ready").publish();
443 function selectorForAllWidgets() {
444 if (mkws.config && mkws.config.scan_all_nodes) {
445 // This is the old version, which works by telling jQuery to
446 // find every node that has a class beginning with "mkws". In
447 // theory it should be slower than the class-based selector; but
448 // instrumentation suprisnigly shows this is consistently
449 // faster. It also has the advantage that any widgets of
450 // non-registered types are logged as warnings rather than
452 return '[class^="mkws"],[class*=" mkws"]';
454 // This is the new version, which works by looking up the
455 // specific classes of all registered widget types and their
456 // resize containers. Because all it requires jQuery to do is
457 // some hash lookups in pre-built tables, it should be very
458 // fast; but it silently ignores widgets of unregistered types.
460 for (var type in mkws.widgetType2function) {
463 s += ',.mkws' + type + "-Container-wide";
464 s += ',.mkws' + type + "-Container-narrow";
471 function makeWidgetsWithin(level, node) {
472 node.find(selectorForAllWidgets()).each(function() {
473 handleNodeWithTeam(this, function(tname, type) {
474 var myTeam = mkws.teams[tname];
476 myTeam = mkws.teams[tname] = team($, tname);
477 log("made MKWS team '" + tname + "'");
480 var oldHTML = this.innerHTML;
481 var myWidget = widget($, myTeam, type, this);
482 myTeam.addWidget(myWidget);
483 var newHTML = this.innerHTML;
484 if (newHTML !== oldHTML) {
485 log("widget " + tname + ":" + type + " HTML changed: reparsing");
486 makeWidgetsWithin(level+1, $(this));
493 function init(rootsel) {
494 if (!rootsel) var rootsel = ':root';
496 if (typeof mkws_config === 'undefined') {
497 log("setting empty config");
500 log("using config: " + $.toJSON(mkws_config));
501 saved_config = mkws_config;
503 mkws.setMkwsConfig(saved_config);
505 for (var key in mkws.config) {
506 if (mkws.config.hasOwnProperty(key)) {
507 if (key.match(/^language_/)) {
508 var lang = key.replace(/^language_/, "");
509 // Copy custom languages into list
510 mkws.locale_lang[lang] = mkws.config[key];
511 log("added locally configured language '" + lang + "'");
516 var lang = mkws.getParameterByName("lang") || mkws.config.lang;
517 if (!lang || !mkws.locale_lang[lang]) {
518 mkws.config.lang = ""
520 mkws.config.lang = lang;
523 log("using language: " + (mkws.config.lang ? mkws.config.lang : "none"));
525 if (mkws.config.query_width < 5 || mkws.config.query_width > 150) {
526 log("reset query width to " + mkws.config.query_width);
527 mkws.config.query_width = 50;
530 // protocol independent link for pazpar2: "//mkws/sp" -> "https://mkws/sp"
531 if (mkws.config.pazpar2_url.match(/^\/\//)) {
532 mkws.config.pazpar2_url = document.location.protocol + mkws.config.pazpar2_url;
533 log("adjusted protocol independent link to " + mkws.config.pazpar2_url);
536 if (mkws.config.responsive_design_width) {
537 // Responsive web design - change layout on the fly based on
538 // current screen width. Required for mobile devices.
539 $(window).resize(resizePage);
540 // initial check after page load
541 $(document).ready(resizePage);
544 // Backwards compatibility: set new magic class names on any
545 // elements that have the old magic IDs.
546 var ids = [ "Switch", "Lang", "Search", "Pager", "Navi",
547 "Results", "Records", "Targets", "Ranking",
548 "Termlists", "Stat", "MOTD" ];
549 for (var i = 0; i < ids.length; i++) {
550 var id = 'mkws' + ids[i];
551 var node = $('#' + id);
552 if (node.attr('id')) {
554 log("added magic class to '" + node.attr('id') + "'");
559 makeWidgetsWithin(1, $(rootsel));
562 log("walking MKWS nodes took " + (now-then) + " ms");
565 for (var tName in mkws.teams) {
566 var myTeam = mkws.teams[tName]
567 log("team '" + tName + "' = " + myTeam + " ...");
568 myTeam.visitWidgets(function(t, w) {
569 log(" has widget of type '" + t + "': " + w);
574 if (mkws.config.use_service_proxy) {
575 authenticateSession(mkws.config.service_proxy_auth,
576 mkws.config.service_proxy_auth_domain,
577 mkws.config.pazpar2_url);
583 $(document).ready(function() {
584 var widgetSelector = selectorForAllWidgets();
585 if (widgetSelector && $(widgetSelector).length !== 0) init();