pz2.js: also pass the request to the error handler

without that, you’d have to rely on »this« to be the pz2 object (to get its »request« property) meaning you couldn’t access the request and your own object’s properties at the same time while error handling

pz2.js

@@ -1001,7 +1001,7 @@ pzHttpRequest.prototype =
 				err = new Error(errorMessage + errorInformation);
 				err.code = errorCode;
 				if (this.errorHandler) {
-					this.errorHandler(err);
+					this.errorHandler(err, this.request);
 				}
 				else {
 					throw err;

src/parts/init.js

@@ -86,7 +86,7 @@ pz2_client.prototype.initialiseService = function () {
 			showtime: 1000, //each timer (show, stat, term, bytarget) can be specified this way
 			onbytarget: jQuery.proxy(this.onbytarget, this),
 			onstat: jQuery.proxy(this.onstat, this),
-			errorhandler: jQuery.proxy(this.onerror, null, this),
+			errorhandler: jQuery.proxy(this.onerror, this),
 			showResponseType: ''
 		};
 

src/parts/status.js

@@ -161,43 +161,43 @@ pz2_client.prototype.onstat = function (data) {
 
 
 /**
- * @param {object} that - pz2_client
  * @param {object} error
+ * @param {XMLHttpRequest} request
  * @returns {undefined}
  */
-pz2_client.prototype.onerror = function (that, error) {
-	that.errorCount++;
+pz2_client.prototype.onerror = function (error, request) {
+	this.errorCount++;
 	var errorCode = parseInt(error.code, 10);
 
-	if (errorCode !== 12 && that.errorCount < 3 && this.request.status < 500) {
-		if (errorCode === 1 && this.request.status === 417) {
+	if (errorCode !== 12 && this.errorCount < 3 && request.status < 500) {
+		if (errorCode === 1 && request.status === 417) {
 			// The pazpar2 session has expired: create a new one.
-			that.initialisePazpar2();
+			this.initialisePazpar2();
 		}
-		else if (errorCode === 100 && this.request.status === 417) {
+		else if (errorCode === 100 && request.status === 417) {
 			// The Service Proxy session has expired / cookie got lost: create a new one.
-			that.initialiseServiceProxy();
+			this.initialiseServiceProxy();
 		}
 	}
 	else  {
 		// The service is unavailable: Disable the search form.
 		var jRecordCount = jQuery('.pz2-recordCount');
 		jRecordCount.empty();
-		var message = that.localise('Suche momentan nicht verfügbar.', 'status');
+		var message = this.localise('Suche momentan nicht verfügbar.', 'status');
 		jRecordCount.text(message);
 		jRecordCount.addClass('pz2-noResults');
 
-		if (that.pz2InitTimeout !== undefined) {
-			clearTimeout(that.pz2InitTimeout);
+		if (this.pz2InitTimeout !== undefined) {
+			clearTimeout(this.pz2InitTimeout);
 		}
 
-		that.pz2InitTimeout = setTimeout(jQuery.proxy(that.initialiseService, that), 15000);
-		that.errorCount = 0;
+		this.pz2InitTimeout = setTimeout(jQuery.proxy(this.initialiseService, this), 15000);
+		this.errorCount = 0;
 	}
 
 	// If  the error happens while loading, clear the current search term,
 	// to allow restarting the search.
-	if (that.my_paz.activeClients > 0) {
-		that.currentView.query = null;
+	if (this.my_paz.activeClients > 0) {
+		this.currentView.query = null;
 	}
 };