+var debug = mkws.debug_function; // local alias
+
+
+Handlebars.registerHelper('json', function(obj) {
+ return $.toJSON(obj);
+});
+
+
+// We need {{attr '@name'}} because Handlebars can't parse {{@name}}
+Handlebars.registerHelper('attr', function(attrName) {
+ return this[attrName];
+});
+
+
+/*
+ * Use as follows: {{#if-any NAME1 having="NAME2"}}
+ * Applicable when NAME1 is the name of an array
+ * The guarded code runs only if at least one element of the NAME1
+ * array has a subelement called NAME2.
+ */
+Handlebars.registerHelper('if-any', function(items, options) {
+ var having = options.hash.having;
+ for (var i in items) {
+ var item = items[i]
+ if (!having || item[having]) {
+ return options.fn(this);
+ }
+ }
+ return "";
+});
+
+
+Handlebars.registerHelper('first', function(items, options) {
+ var having = options.hash.having;
+ for (var i in items) {
+ var item = items[i]
+ if (!having || item[having]) {
+ return options.fn(item);
+ }
+ }
+ return "";
+});
+
+
+Handlebars.registerHelper('commaList', function(items, options) {
+ var out = "";
+
+ for (var i in items) {
+ if (i > 0) out += ", ";
+ out += options.fn(items[i])
+ }
+
+ return out;
+});
+
+
+{
+ /* default mkws config */
+ var config_default = {
+ use_service_proxy: true,
+ pazpar2_url: "http://mkws.indexdata.com/service-proxy/",
+ service_proxy_auth: "http://mkws.indexdata.com/service-proxy-auth",
+ lang: "",
+ sort_options: [["relevance"], ["title:1", "title"], ["date:0", "newest"], ["date:1", "oldest"]],
+ perpage_options: [10, 20, 30, 50],
+ sort_default: "relevance",
+ perpage_default: 20,
+ query_width: 50,
+ show_lang: true, /* show/hide language menu */
+ show_sort: true, /* show/hide sort menu */
+ show_perpage: true, /* show/hide perpage menu */
+ lang_options: [], /* display languages links for given languages, [] for all */
+ facets: ["sources", "subjects", "authors"], /* display facets, in this order, [] for none */
+ responsive_design_width: undefined, /* a page with less pixel width considered as narrow */
+ debug_level: 1, /* debug level for development: 0..2 */
+
+ dummy: "dummy"
+ };
+
+ /* set global debug_level flag early */
+ if (typeof mkws_config.debug_level !== 'undefined') {
+ mkws.debug_level = mkws_config.debug_level;
+ } else if (typeof config_default.debug_level !== 'undefined') {
+ mkws.debug_level = config_default.debug_level;
+ }
+
+ /* override standard config values by function parameters */
+ for (var k in config_default) {
+ if (typeof mkws_config[k] === 'undefined')
+ mkws_config[k] = config_default[k];
+ debug("Set config: " + k + ' => ' + mkws_config[k]);
+ }
+}
+
+mkws.sort = mkws_config.sort_default;
+debug("copied mkws_config.sort_default '" + mkws_config.sort_default + "' to mkws.sort");
+
+mkws.usesessions = mkws_config.use_service_proxy ? false : true;
+
+if (mkws_config.query_width < 5 || mkws_config.query_width > 150) {
+ debug("Reset query width: " + mkws_config.query_width);
+ mkws_config.query_width = 50;
+}