-// Factory function for filters. These can be of several types.
-function filter(id, field, value) {
- var res;
-
- if (id) {
- res = { id: id, name: name };
- } else {
- res = { field: field, value: value };
+// Factory function for sets of filters.
+function filterSet(team) {
+ var m_team = team;
+ var m_list = [];
+
+ var that = {};
+
+ that.toJSON = function() {
+ return $.toJSON(m_list);
+ };
+
+ that.add = function(filter) {
+ m_list.push(filter);
+ };
+
+ that.visitTargets = function(callback) {
+ for (var i in m_list) {
+ var filter = m_list[i];
+ if (filter.type === 'target') {
+ callback(filter.id, filter.name);
+ }
+ }
+ };
+
+ that.visitFields = function(callback) {
+ for (var i in m_list) {
+ var filter = m_list[i];
+ if (filter.type === 'field') {
+ callback(filter.field, filter.value);
+ }
+ }
+ };
+
+ that.visitCategories = function(callback) {
+ for (var i in m_list) {
+ var filter = m_list[i];
+ if (filter.type === 'category') {
+ callback(filter.id);
+ }
+ }
+ };
+
+ that.removeMatching = function(matchFn) {
+ var newList = [];
+ for (var i in m_list) {
+ var filter = m_list[i];
+ if (matchFn(filter)) {
+ m_team.log("removeMatching() removing filter " + $.toJSON(filter));
+ } else {
+ m_team.log("removeMatching() keeping filter " + $.toJSON(filter));
+ newList.push(filter);
+ }
+ }
+ m_list = newList;
+ };
+
+ that.targetFiltered = function(id) {
+ for (var i = 0; i < m_list.length; i++) {
+ if (m_list[i].type === 'target' ||
+ m_list[i].id === 'pz:id=' + id) {
+ return true;
+ }
+ }
+ return false;
+ };
+
+ that.pp2filter = function() {
+ var res = "";
+
+ that.visitTargets(function(id, name) {
+ if (res) res += ",";
+ if (id.match(/^[a-z:]+[=~]/)) {
+ m_team.log("filter '" + id + "' already begins with SETTING OP");
+ } else {
+ id = 'pz:id=' + id;
+ }
+ res += id;
+ });
+
+ return res;
+ };
+
+ that.pp2limit = function(initial) {
+ var res = initial || "";
+
+ that.visitFields(function(field, value) {
+ if (res) res += ",";
+ res += field + "=" + value.replace(/[\\|,]/g, '\\$&');
+ });
+ return res;
+ }
+
+ that.pp2catLimit = function() {
+ var res = "";
+
+ that.visitCategories(function(id) {
+ if (res) res += ",";
+ res += "category~" + id.replace(/[\\|,]/g, '\\$&');
+ });
+ return res;
}
- return res;
+ return that;
+}
+
+
+// Factory functions for filters. These can be of several types.
+function targetFilter(id, name) {
+ return {
+ type: 'target',
+ id: id,
+ name: name
+ };
+}
+
+function fieldFilter(field, value) {
+ return {
+ type: 'field',
+ field: field,
+ value: value
+ };
+}
+
+function categoryFilter(id) {
+ return {
+ type: 'category',
+ id: id,
+ };
}
var m_query; // initially undefined
var m_sortOrder; // will be set below
var m_perpage; // will be set below
- var m_filters = [];
+ var m_filterSet = filterSet(that);
var m_totalRecordCount = 0;
var m_currentPage = 1;
var m_currentRecordId = '';
that.currentPage = function() { return m_currentPage; };
that.currentRecordId = function() { return m_currentRecordId; };
that.currentRecordData = function() { return m_currentRecordData; };
- that.filters = function() { return m_filters; };
+ that.filters = function() { return m_filterSet; };
that.config = function() { return m_config; };
// Accessor methods for individual widgets: writers
that.targetFiltered = function(id) {
- for (var i = 0; i < m_filters.length; i++) {
- if (m_filters[i].id === id ||
- m_filters[i].id === 'pz:id=' + id) {
- return true;
- }
- }
- return false;
+ return m_filterSet.targetFiltered(id);
};
that.limitTarget = function(id, name) {
log("limitTarget(id=" + id + ", name=" + name + ")");
- m_filters.push({ id: id, name: name });
- triggerSearch();
+ m_filterSet.add(targetFilter(id, name));
+ if (m_query) triggerSearch();
return false;
};
that.limitQuery = function(field, value) {
log("limitQuery(field=" + field + ", value=" + value + ")");
- m_filters.push({ field: field, value: value });
- triggerSearch();
+ m_filterSet.add(fieldFilter(field, value));
+ if (m_query) triggerSearch();
return false;
};
that.limitCategory = function(id) {
log("limitCategory(id=" + id + ")");
- m_filters.push({ category: id });
- //triggerSearch();
+ // Only one category filter at a time
+ m_filterSet.removeMatching(function(f) { return f.type === 'category' });
+ if (id !== '') m_filterSet.add(categoryFilter(id));
+ if (m_query) triggerSearch();
return false;
};
that.delimitTarget = function(id) {
log("delimitTarget(id=" + id + ")");
- removeMatchingFilters(function(f) { return f.id });
- triggerSearch();
+ m_filterSet.removeMatching(function(f) { return f.type === 'target' });
+ if (m_query) triggerSearch();
return false;
};
that.delimitQuery = function(field, value) {
log("delimitQuery(field=" + field + ", value=" + value + ")");
- removeMatchingFilters(function(f) { return f.field && field == f.field && value == f.value });
- triggerSearch();
+ m_filterSet.removeMatching(function(f) { return f.type == 'field' &&
+ field == f.field && value == f.value });
+ if (m_query) triggerSearch();
return false;
};
- function removeMatchingFilters(matchFn) {
- var newFilters = [];
- for (var i in m_filters) {
- var filter = m_filters[i];
- if (matchFn(filter)) {
- log("removeMatchingFilters() removing filter " + $.toJSON(filter));
- } else {
- log("removeMatchingFilters() keeping filter " + $.toJSON(filter));
- newFilters.push(filter);
- }
- }
- m_filters = newFilters;
- }
-
-
that.showPage = function(pageNum) {
m_currentPage = pageNum;
m_paz.showPage(m_currentPage - 1);
return;
}
- m_filters = []
+ m_filterSet.removeMatching(function(f) { return f.type !== 'category' });
triggerSearch(query, sortOrder, maxrecs, perpage, limit, targets, torusquery);
switchView('records'); // In case it's configured to start off as hidden
m_submitted = true;
resetPage();
queue("navi").publish();
- var pp2filter = "";
- var pp2limit = limit || "";
-
// Continue to use previous query/sort-order unless new ones are specified
- if (query) {
- m_query = query;
- }
- if (sortOrder) {
- m_sortOrder = sortOrder;
- }
- if (perpage) {
- m_perpage = perpage;
- }
- if (targets) {
- m_filters.push({ id: targets, name: targets });
- }
+ if (query) m_query = query;
+ if (sortOrder) m_sortOrder = sortOrder;
+ if (perpage) m_perpage = perpage;
+ if (targets) m_filterSet.add(targetFilter(id, id));
- for (var i in m_filters) {
- var filter = m_filters[i];
- if (filter.id) {
- if (pp2filter)
- pp2filter += ",";
- if (filter.id.match(/^[a-z:]+[=~]/)) {
- log("filter '" + filter.id + "' already begins with SETTING OP");
- } else {
- filter.id = 'pz:id=' + filter.id;
- }
- pp2filter += filter.id;
- } else {
- if (pp2limit)
- pp2limit += ",";
- pp2limit += filter.field + "=" + filter.value.replace(/[\\|,]/g, '\\$&');
- }
- }
+ var pp2filter = m_filterSet.pp2filter();
+ var pp2limit = m_filterSet.pp2limit(limit);
+ var pp2catLimit = m_filterSet.pp2catLimit();
var params = {};
- if (pp2limit) {
- params.limit = pp2limit;
- }
- if (maxrecs) {
- params.maxrecs = maxrecs;
- }
+ if (pp2limit) params.limit = pp2limit;
+ if (pp2catLimit) params.categoryfilter = pp2catLimit;
+ if (maxrecs) params.maxrecs = maxrecs;
if (torusquery) {
if (!mkws.config.use_service_proxy)
alert("can't narrow search by torusquery when Service Proxy is not in use");
params.torusquery = torusquery;
}
- log("triggerSearch(" + m_query + "): filters = " + $.toJSON(m_filters) + ", " +
+ log("triggerSearch(" + m_query + "): filters = " + m_filterSet.toJSON() + ", " +
"pp2filter = " + pp2filter + ", params = " + $.toJSON(params));
- // We can use: params.torusquery = "udb=NAME"
- // Note: that won't work when running against raw pazpar2
m_paz.search(m_query, m_perpage, m_sortOrder, pp2filter, undefined, params);
}
return m_config.lang;
}
+ // set or re-set "lang" URL parameter
+ function lang_url(lang) {
+ var query = location.search;
+ // no query parameters? done
+ if (!query) {
+ return "?lang=" + lang;
+ }
+
+ // parameter does not exists
+ if (!query.match(/[\?&]lang=/)) {
+ return query + "&lang=" + lang;
+ }
+
+ // replace existing parameter
+ query = query.replace(/\?lang=([^&#;]*)/, "?lang=" + lang);
+ query = query.replace(/\&lang=([^&#;]*)/, "&lang=" + lang);
+ return query;
+ }
+
+ // dynamic URL or static page? /path/foo?query=test
/* create locale language menu */
function mkwsHtmlLang() {
var lang_default = "en";
if (lang == l) {
data += ' <span>' + l + '</span> ';
} else {
- data += ' <a href="?lang=' + l + '">' + l + '</a> '
+ data += ' <a href="' + lang_url(l) + '">' + l + '</a> '
}
}
projects / mkws-moved-to-github.git / commitdiff