added global script/ajax error handling.

NzbDrone.Web/_backboneApp/Shared/ErrorView.js

@@ -0,0 +1,68 @@
+/// <reference path="../app.js" />
+/// <reference path="ErrorModel.js" />
+
+NzbDrone.Shared.ErrorItemView = Backbone.Marionette.ItemView.extend({
+    template: "Shared/ErrorTemplate",
+});
+
+NzbDrone.Shared.ErrorView = Backbone.Marionette.CollectionView.extend({
+
+    itemView: NzbDrone.Shared.ErrorItemView,
+
+    initialize: function () {
+
+        this.collection = new NzbDrone.Shared.ErrorCollection();
+        this.listenTo(this.collection, 'reset', this.render);
+    },
+});
+
+
+
+NzbDrone.addInitializer(function (options) {
+
+    console.log("initializing error handler");
+
+    NzbDrone.Shared.ErrorView.instance = new NzbDrone.Shared.ErrorView();
+
+    NzbDrone.errorRegion.show(NzbDrone.Shared.ErrorView.instance);
+
+});
+
+
+window.onerror = function (msg, url, line) {
+
+    var errorView = NzbDrone.Shared.ErrorView.instance;
+
+    if (errorView) {
+        var model = new NzbDrone.Shared.ErrorModel();
+
+        var a = document.createElement('a');
+        a.href = url;
+
+        model.set('title', a.pathname.split('/').pop() + " : " + line);
+        model.set('message', msg);
+        errorView.collection.add(model);
+    } else {
+        alert("Error: " + msg + "\nurl: " + url + "\nline #: " + line);
+    }
+
+    var suppressErrorAlert = false;
+    // If you return true, then error alerts (like in older versions of 
+    // Internet Explorer) will be suppressed.
+    return suppressErrorAlert;
+};
+
+$(document).ajaxError(function (event, XMLHttpRequest, ajaxOptionsa) {
+
+    var errorView = NzbDrone.Shared.ErrorView.instance;
+
+    var model = new NzbDrone.Shared.ErrorModel();
+    model.set('title', ajaxOptionsa.url + " : " + XMLHttpRequest.statusText);
+    model.set('message', XMLHttpRequest.responseText);
+    errorView.collection.add(model);
+
+    var suppressErrorAlert = false;
+    // If you return true, then error alerts (like in older versions of 
+    // Internet Explorer) will be suppressed.
+    return suppressErrorAlert;
+});