143 lines
4.0 KiB
JavaScript
143 lines
4.0 KiB
JavaScript
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/**
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* Adaptation of the suggest widget to query the Wikibase autocomplete API directly
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*/
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(function() {
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/**
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* Options:
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* mediawiki_endpoint: url of the MediaWiki API
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* entity_type: type of entity to suggest (one of form, item, lexeme, property, sense, mediainfo…)
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* language: language code of the language to search in
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*/
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$.suggest(
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"suggestWikibase",
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$.extend(
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true,
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{},
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$.suggest.suggest.prototype,
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{
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create_item: function(data, response_data) {
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var css = this.options.css;
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var li = $("<li>").addClass(css.item);
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var name = $("<div>")
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.addClass(css.item_name)
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.append(
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$("<label>")
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.append($.suggest.strongify(data.name || data.guid, response_data.prefix)));
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data.name = name.text(); // this converts html escaped strings like "&" back to "&"
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if (data.description) {
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var descriptionSpan = $("<span></span>").text(data.description);
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name.append(descriptionSpan);
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}
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li.append(name);
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name.prepend($("<div>").addClass(css.item_type).text(data.id));
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return li;
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},
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request: function(val, cursor) {
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var self = this,
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o = this.options;
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var query = val;
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var entity_type = o.entity_type || 'item';
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var data = {
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action: 'wbsearchentities',
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language: o.language,
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search: query,
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type: entity_type,
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format: 'json',
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origin: '*'
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};
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if (cursor) {
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data['continue'] = cursor;
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}
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var url = o.mediawiki_endpoint + "?" + $.param(data, true);
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var cached = $.suggest.cache[url];
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if (cached) {
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this.response(cached, cursor ? cursor : -1, true);
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return;
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}
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clearTimeout(this.request.timeout);
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var ajax_options = {
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url: o.mediawiki_endpoint,
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data: data,
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traditional: true,
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beforeSend: function(xhr) {
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var calls = self.input.data("request.count.suggest") || 0;
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if (!calls) {
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self.trackEvent(self.name, "start_session");
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}
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calls += 1;
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self.trackEvent(self.name, "request", "count", calls);
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self.input.data("request.count.suggest", calls);
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},
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success: function(data) {
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$.suggest.cache[url] = data;
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// translate the results of the MediaWiki API to that of the reconciliation API
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var translated = {
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prefix: val, // keep track of prefix to match up response with input value
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result: (data.search || []).map(result => { return {
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id: result.id,
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name: result.label,
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description: result.description};})
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};
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self.response(translated, cursor ? cursor : -1);
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},
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error: function(xhr) {
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self.status_error();
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self.trackEvent(self.name, "request", "error", {
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url: this.url,
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response: xhr ? xhr.responseText : ''
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});
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self.input.trigger("fb-error", Array.prototype.slice.call(arguments));
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},
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complete: function(xhr) {
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if (xhr) {
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self.trackEvent(self.name, "request", "tid",
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xhr.getResponseHeader("X-Metaweb-TID"));
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}
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},
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dataType: "json",
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cache: true
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};
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this.request.timeout = setTimeout(function() {
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$.ajax(ajax_options);
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}, o.xhr_delay);
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}
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}));
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$.extend(
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$.suggest.suggestWikibase,
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{
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defaults: $.extend(
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true,
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{},
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$.suggest.suggest.defaults, {
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scoring: "schema",
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css: { pane: "fbs-pane fbs-pane-type" }
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}
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)
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}
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);
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})();
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