2 // Factory function for team objects. As much as possible, this uses
3 // only member variables (prefixed "m_") and inner functions with
6 // Some functions are visible as member-functions to be called from
7 // outside code -- specifically, from generated HTML. These functions
8 // are that.switchView(), showDetails(), limitTarget(), limitQuery(),
9 // limitCategory(), delimitTarget(), delimitQuery(), showPage(),
10 // pagerPrev(), pagerNext().
12 // Before the team can be used for searching and related operations,
13 // its pz2 object must be created by calling team.makePz2().
15 mkws.makeTeam = function($, teamName) {
18 // Member variables are separated into two categories
20 // 1. Persistent state (to be coded in URL fragment)
22 query: null, // initially undefined
23 sort: null, // will be set below
24 size: null, // will be set below
27 filters: filterSet(that)
30 // 2. Internal state (not to be coded)
31 var m_teamName = teamName;
32 var m_paz; // will be initialised below
33 var m_submitted = false;
34 var m_totalRecordCount = 0;
35 var m_currentRecordData = null;
37 // Timestamps for logging
41 var m_templateText = {}; // widgets can register templates to be compiled
42 var m_template = {}; // compiled templates, from any source
43 var m_widgets = {}; // Maps widget-type to array of widget objects
44 var m_gotRecords = false;
46 var config = mkws.objectInheritingFrom(mkws.config);
49 that.toString = function() { return '[Team ' + teamName + ']'; };
51 // Accessor methods for individual widgets: readers
52 that.name = function() { return m_teamName; };
53 that.submitted = function() { return m_submitted; };
54 that.sortOrder = function() { return m_state.sort; };
55 that.perpage = function() { return m_state.size; };
56 that.query = function() { return m_state.query; };
57 that.totalRecordCount = function() { return m_totalRecordCount; };
58 that.currentPage = function() { return m_state.page; };
59 that.currentRecordId = function() { return m_state.recid; };
60 that.currentRecordData = function() { return m_currentRecordData; };
61 that.filters = function() { return m_state.filters; };
62 that.gotRecords = function() { return m_gotRecords; };
64 // Accessor methods for individual widgets: writers
65 that.set_sortOrder = function(val) { m_state.sort = val };
66 that.set_perpage = function(val) { m_state.size = val };
68 m_state.sort = config.sort_default;
69 m_state.size = config.perpage_default;
70 var m_default = $.extend(true, {}, m_state);
72 that.urlFragment = function () {
75 for (var key in m_state) {
76 if (m_state.hasOwnProperty(key) &&
77 m_state[key] != m_default[key]) {
80 if (m_teamName !== 'AUTO') s += m_teamName;
86 s += key + '=' + m_state[key];
94 // The following PubSub code is modified from the jQuery manual:
95 // http://api.jquery.com/jQuery.Callbacks/
98 // team.queue("eventName").subscribe(function(param1, param2 ...) { ... });
99 // team.queue("eventName").publish(arg1, arg2, ...);
104 var callbacks = $.Callbacks();
106 publish: callbacks.fire,
107 subscribe: callbacks.add,
108 unsubscribe: callbacks.remove
116 function _log(fn, s) {
118 var timestamp = (((now - m_logTime.start)/1000).toFixed(3) + " (+" +
119 ((now - m_logTime.last)/1000).toFixed(3) + ") ");
120 m_logTime.last = now;
121 fn.call(mkws.log, m_teamName + ": " + timestamp + s);
122 that.queue("log").publish(m_teamName, timestamp, s);
125 that.trace = function(x) { _log(mkws.trace, x) };
126 that.debug = function(x) { _log(mkws.debug, x) };
127 that.info = function(x) { _log(mkws.info, x) };
128 that.warn = function(x) { _log(mkws.warn, x) };
129 that.error = function(x) { _log(mkws.error, x) };
130 that.fatal = function(x) { _log(mkws.fatal, x) };
132 that.info("making new widget team");
134 // pz2.js event handlers:
141 function onBytarget(data) {
142 that.info("bytarget");
143 queue("targets").publish(data);
146 function onStat(data) {
147 queue("stat").publish(data);
148 var hitcount = parseInt(data.hits[0], 10);
149 if (!m_gotRecords && hitcount > 0) {
151 queue("firstrecords").publish(hitcount);
153 if (parseInt(data.activeclients[0], 10) === 0) {
154 that.info("complete");
155 queue("complete").publish(hitcount);
159 function onTerm(data) {
161 queue("facets").publish(data);
164 function onShow(data, teamName) {
166 m_totalRecordCount = data.merged;
167 that.info("found " + m_totalRecordCount + " records");
168 queue("pager").publish(data);
169 queue("records").publish(data);
172 function onRecord(data, args, teamName) {
174 // FIXME: record is async!!
175 clearTimeout(m_paz.recordTimer);
176 queue("record").publish(data);
177 var detRecordDiv = findnode(recordDetailsId(data.recid[0]));
178 if (detRecordDiv.length) {
179 // in case on_show was faster to redraw element
182 m_currentRecordData = data;
183 var recordDiv = findnode('.' + recordElementId(m_currentRecordData.recid[0]));
184 var html = renderDetails(m_currentRecordData);
185 $(recordDiv).append(html);
189 // create a parameters array and pass it to the pz2's constructor
190 // then register the form submit event with the pz2.search function
191 // autoInit is set to true on default
192 that.makePz2 = function() {
193 that.debug("m_queues=" + $.toJSON(m_queues));
195 "windowid": teamName,
196 "pazpar2path": mkws.pazpar2_url(),
197 "usesessions" : config.use_service_proxy ? false : true,
198 "showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
199 "termlist": config.facets.join(',')
202 params.oninit = onInit;
203 if (m_queues.targets) {
204 params.onbytarget = onBytarget;
205 that.info("setting bytarget callback");
207 if (m_queues.stat || m_queues.firstrecords || m_queues.complete) {
208 params.onstat = onStat;
209 that.info("setting stat callback");
211 if (m_queues.facets && config.facets.length) {
212 params.onterm = onTerm;
213 that.info("setting term callback");
215 if (m_queues.records) {
216 that.info("setting show callback");
217 params.onshow = onShow;
218 // Record callback is subscribed from records callback
219 that.info("setting record callback");
220 params.onrecord = onRecord;
223 m_paz = new pz2(params);
224 that.info("created main pz2 object");
228 // Used by the Records widget and onRecord()
229 function recordElementId(s) {
230 return 'mkws-rec_' + s.replace(/[^a-z0-9]/ig, '_');
232 that.recordElementId = recordElementId;
234 // Used by onRecord(), showDetails() and renderDetails()
235 function recordDetailsId(s) {
236 return 'mkws-det_' + s.replace(/[^a-z0-9]/ig, '_');
240 that.targetFiltered = function(id) {
241 return m_state.filters.targetFiltered(id);
245 that.limitTarget = function(id, name) {
246 that.info("limitTarget(id=" + id + ", name=" + name + ")");
247 m_state.filters.add(targetFilter(id, name));
248 if (m_state.query) triggerSearch();
253 that.limitQuery = function(field, value) {
254 that.info("limitQuery(field=" + field + ", value=" + value + ")");
255 m_state.filters.add(fieldFilter(field, value));
256 if (m_state.query) triggerSearch();
261 that.limitCategory = function(id) {
262 that.info("limitCategory(id=" + id + ")");
263 // Only one category filter at a time
264 m_state.filters.removeMatching(function(f) { return f.type === 'category' });
265 if (id !== '') m_state.filters.add(categoryFilter(id));
266 if (m_state.query) triggerSearch();
271 that.delimitTarget = function(id) {
272 that.info("delimitTarget(id=" + id + ")");
273 m_state.filters.removeMatching(function(f) { return f.type === 'target' });
274 if (m_state.query) triggerSearch();
279 that.delimitQuery = function(field, value) {
280 that.info("delimitQuery(field=" + field + ", value=" + value + ")");
281 m_state.filters.removeMatching(function(f) { return f.type == 'field' &&
282 field == f.field && value == f.value });
283 if (m_state.query) triggerSearch();
288 that.showPage = function(pageNum) {
289 m_state.page = pageNum;
290 m_paz.showPage(m_state.page - 1);
294 that.pagerNext = function() {
295 if (m_totalRecordCount - m_state.size * m_state.page > 0) {
302 that.pagerPrev = function() {
303 if (m_paz.showPrev() != false)
308 that.reShow = function() {
310 m_paz.show(0, m_state.size, m_state.sort);
311 // ### not really the right place for this but it will do for now.
312 that.warn("fragment: " + that.urlFragment());
316 function resetPage() {
318 m_totalRecordCount = 0;
319 m_gotRecords = false;
321 that.resetPage = resetPage;
324 function newSearch(query, sortOrder, maxrecs, perpage, limit, targets, torusquery) {
325 that.info("newSearch: " + query);
327 if (config.use_service_proxy && !mkws.authenticated) {
328 alert("searching before authentication");
332 m_state.filters.removeMatching(function(f) { return f.type !== 'category' });
333 triggerSearch(query, sortOrder, maxrecs, perpage, limit, targets, torusquery);
334 switchView('records'); // In case it's configured to start off as hidden
337 that.newSearch = newSearch;
340 function triggerSearch(query, sortOrder, maxrecs, perpage, limit, targets, torusquery) {
343 // Continue to use previous query/sort-order unless new ones are specified
344 if (query) m_state.query = query;
345 if (sortOrder) m_state.sort = sortOrder;
346 if (perpage) m_state.size = perpage;
347 if (targets) m_state.filters.add(targetFilter(targets, targets));
349 var pp2filter = m_state.filters.pp2filter();
350 var pp2limit = m_state.filters.pp2limit(limit);
351 var pp2catLimit = m_state.filters.pp2catLimit();
353 pp2filter = pp2filter ? pp2filter + "," + pp2catLimit : pp2catLimit;
357 if (pp2limit) params.limit = pp2limit;
358 if (maxrecs) params.maxrecs = maxrecs;
360 if (!mkws.config.use_service_proxy)
361 alert("can't narrow search by torusquery when not authenticated");
362 params.torusquery = torusquery;
365 that.info("triggerSearch(" + m_state.query + "): filters = " + m_state.filters.toJSON() + ", " +
366 "pp2filter = " + pp2filter + ", params = " + $.toJSON(params));
368 m_paz.search(m_state.query, m_state.size, m_state.sort, pp2filter, undefined, params);
369 queue("searchtriggered").publish();
371 // ### not really the right place for this but it will do for now.
372 that.warn("fragment: " + that.urlFragment());
375 // fetch record details to be retrieved from the record queue
376 that.fetchDetails = function(recId) {
377 that.info("fetchDetails() requesting record '" + recId + "'");
382 // switching view between targets and records
383 function switchView(view) {
384 var targets = widgetNode('targets');
385 var results = widgetNode('results') || widgetNode('records');
386 var blanket = widgetNode('blanket');
387 var motd = widgetNode('motd');
391 if (targets) $(targets).show();
392 if (results) $(results).hide();
393 if (blanket) $(blanket).hide();
394 if (motd) $(motd).hide();
397 if (targets) $(targets).hide();
398 if (results) $(results).show();
399 if (blanket) $(blanket).show();
400 if (motd) $(motd).hide();
403 alert("Unknown view '" + view + "'");
406 that.switchView = switchView;
409 // detailed record drawing
410 that.showDetails = function(recId) {
411 var oldRecordId = m_state.recid;
412 m_state.recid = recId;
414 // remove current detailed view if any
415 findnode('#' + recordDetailsId(oldRecordId)).remove();
417 // if the same clicked, just hide
418 if (recId == oldRecordId) {
420 m_currentRecordData = null;
423 // request the record
424 that.info("showDetails() requesting record '" + recId + "'");
429 // Finds the node of the specified class within the current team
430 function findnode(selector, teamName) {
431 teamName = teamName || m_teamName;
433 if (teamName === 'AUTO') {
434 selector = (selector + '.mkws-team-' + teamName + ',' +
435 selector + ':not([class^="mkws-team"],[class*=" mkws-team"])');
437 selector = selector + '.mkws-team-' + teamName;
440 var node = $(selector);
441 //that.debug('findnode(' + selector + ') found ' + node.length + ' nodes');
446 function widgetNode(type) {
447 var w = that.widget(type);
448 return w ? w.node : undefined;
451 function renderDetails(data, marker) {
452 var template = loadTemplate("details");
453 var details = template(data);
454 return '<div class="mkws-details mkwsDetails mkwsTeam_' + m_teamName + '" ' +
455 'id="' + recordDetailsId(data.recid[0]) + '">' + details + '</div>';
457 that.renderDetails = renderDetails;
460 that.registerTemplate = function(name, text) {
461 if(mkws._old2new.hasOwnProperty(name)) {
462 that.warn("registerTemplate: old widget name: " + name + " => " + mkws._old2new[name]);
463 name = mkws._old2new[name];
465 m_templateText[name] = text;
469 function loadTemplate(name, fallbackString) {
470 if(mkws._old2new.hasOwnProperty(name)) {
471 that.warn("loadTemplate: old widget name: " + name + " => " + mkws._old2new[name]);
472 name = mkws._old2new[name];
475 var template = m_template[name];
476 if (template === undefined && Handlebars.compile) {
478 var node = $(".mkws-template-" + name + " .mkws-team-" + that.name());
479 if (node && node.length < 1) {
480 node = $(".mkws-template-" + name);
482 if (node) source = node.html();
483 if (!source) source = m_templateText[name];
485 template = Handlebars.compile(source);
486 that.info("compiled template '" + name + "'");
489 //if (template === undefined) template = mkws_templatesbyteam[m_teamName][name];
490 if (template === undefined && Handlebars.templates) {
491 template = Handlebars.templates["mkws-template-" + name];
493 if (template === undefined && mkws.defaultTemplates) {
494 template = mkws.defaultTemplates[name];
497 m_template[name] = template;
501 that.info("No MKWS template for " + name);
505 that.loadTemplate = loadTemplate;
508 that.addWidget = function(w) {
509 if (m_widgets[w.type] === undefined) {
510 m_widgets[w.type] = [ w ];
512 m_widgets[w.type].push(w);
516 that.widget = function(type) {
517 var list = m_widgets[type];
521 if (list.length > 1) {
522 alert("widget('" + type + "') finds " + list.length + " widgets: using first");
527 that.visitWidgets = function(callback) {
528 for (var type in m_widgets) {
529 var list = m_widgets[type];
530 for (var i = 0; i < list.length; i++) {
531 var res = callback(type, list[i]);
532 if (res !== undefined) {