//Chapter 29 skipped as I was already asynchronous
public async Task <List <ScheduledClass> > FetchClassesAsync()
{
XmlDocument xmlDoc;
try {
ScheduledClasses = new List <ScheduledClass>();
HttpWebRequest request = WebRequest.Create("http://bookapi.bignerdranch.com/courses.xml") as HttpWebRequest;
HttpWebResponse response = await request.GetResponseAsync().ConfigureAwait(false) as HttpWebResponse;
xmlDoc = new XmlDocument();
xmlDoc.Load(response.GetResponseStream());
if (xmlDoc == null)
{
throw new Exception("XmlDoc is null");
}
Console.WriteLine("Received {0} bytes", xmlDoc.InnerXml);
}
catch (Exception ex)
{
Console.WriteLine("Error getting XML: {0}\n{1}", ex.Message, ex.StackTrace);
return(null);
}
//Create namespace manager - MSDN said this needed to be done. Seems to work without it.
// Perhaps needed when you don't know what you are getting.
// XmlNamespaceManager nsmgr = new XmlNamespaceManager(xmlDoc.NameTable);
// nsmgr.AddNamespace("rest","http://schemas.microsoft.com/search/local/ws/rest/v1");
XmlNode regionNode = xmlDoc.SelectSingleNode("/summary/region");
XmlNodeList classNodes = regionNode.SelectNodes("class");
// Console.WriteLine("Show all formatted class names");
foreach (XmlNode scheduledClass in classNodes)
{
ScheduledClass sc = new ScheduledClass();
sc.Name = scheduledClass.SelectSingleNode("offering").InnerText;
sc.Location = scheduledClass.SelectSingleNode("location").InnerText;
sc.Href = scheduledClass.SelectSingleNode("offering").Attributes.GetNamedItem("href").Value;
sc.Begin = scheduledClass.SelectSingleNode("begin").InnerText;
// sc.Begin = DateTime.Parse(scheduledClass.SelectSingleNode("begin").InnerText).ToUniversalTime();
// Console.WriteLine(sc);
ScheduledClasses.Add(sc);
}
return(ScheduledClasses);
}
public Foundation.NSObject GetObjectValue(AppKit.NSTableView tableView, AppKit.NSTableColumn tableColumn, System.nint row)
{
ScheduledClass cl = scheduleFetcher.ScheduledClasses[(int)row];
if (tableColumn.Identifier != "Begin")
{
return(cl.ValueForKey(new NSString(tableColumn.Identifier)));
}
else
{
DateTime date = DateTime.Parse(cl.ValueForKey(new NSString(tableColumn.Identifier)).ToString()).ToUniversalTime();
// Manually make NSString with desired date format to pass to cell
// return new NSString(date.ToLongDateString());
// Convert DateTime to NSDate to pass to cell and use Date Formatter for cell.
date = DateTime.SpecifyKind(date, DateTimeKind.Local);
return((NSDate)date);
}
}
public void TableViewDoubleClick(NSObject sender)
{
// NSTableView tv = (NSTableView)sender;
// Console.WriteLine("TableView: {0}", tv);
ScheduledClass c = scheduleFetcher.ScheduledClasses[(int)tableView.ClickedRow];
// webPanel = new NSPanel();
webPanel = new NSWindow();
webPanel.StyleMask = NSWindowStyle.Resizable | webPanel.StyleMask;
webPanel.SetContentSize(new CGSize(Window.ContentView.Frame.Size.Width, 500.0f));
webView = new WebView(new CGRect(0.0f, 50.0f, Window.ContentView.Frame.Size.Width, 450.0f), "", "");
webView.AutoresizingMask = NSViewResizingMask.HeightSizable | NSViewResizingMask.WidthSizable;
webPanel.ContentView.AddSubview(webView);
webView.WeakResourceLoadDelegate = this;
webView.WeakFrameLoadDelegate = this;
progressBar = new NSProgressIndicator(new CGRect(25.0f, 12.0f, Window.ContentView.Frame.Size.Width - 175.0f, 25.0f));
progressBar.Style = NSProgressIndicatorStyle.Bar;
progressBar.Indeterminate = false;
progressBar.AutoresizingMask = NSViewResizingMask.WidthSizable;
webPanel.ContentView.AddSubview(progressBar);
progressBar.MinValue = 0;
progressBar.MaxValue = 100;
progressBar.DoubleValue = progress;
NSButton closebutton = new NSButton(new CGRect(webPanel.Frame.Width - 125.0f, 12.0f, 100.0f, 25.0f));
closebutton.Title = "Close";
closebutton.BezelStyle = NSBezelStyle.Rounded;
closebutton.Target = this;
closebutton.Action = new Selector("closePanel:");
closebutton.AutoresizingMask = NSViewResizingMask.MinXMargin;
webPanel.DefaultButtonCell = closebutton.Cell;
webPanel.ContentView.AddSubview(closebutton);
webView.MainFrameUrl = c.Href;
// Window.BeginSheet(webPanel, (nint) => {
//
// });
NSApplication.SharedApplication.BeginSheet(webPanel, Window);
//NSWorkspace.SharedWorkspace.OpenUrl(new NSUrl(c.Href));
}
//Chapter 29 skipped as I was already asynchronous
public async Task<List<ScheduledClass>> FetchClassesAsync()
{
XmlDocument xmlDoc;
try {
ScheduledClasses = new List<ScheduledClass>();
HttpWebRequest request = WebRequest.Create("http://bookapi.bignerdranch.com/courses.xml") as HttpWebRequest;
HttpWebResponse response = await request.GetResponseAsync().ConfigureAwait(false) as HttpWebResponse;
xmlDoc = new XmlDocument();
xmlDoc.Load(response.GetResponseStream());
if (xmlDoc == null) {
throw new Exception("XmlDoc is null");
}
Console.WriteLine("Received {0} bytes", xmlDoc.InnerXml);
}
catch (Exception ex)
{
Console.WriteLine("Error getting XML: {0}\n{1}", ex.Message, ex.StackTrace);
return null;
}
//Create namespace manager - MSDN said this needed to be done. Seems to work without it.
// Perhaps needed when you don't know what you are getting.
// XmlNamespaceManager nsmgr = new XmlNamespaceManager(xmlDoc.NameTable);
// nsmgr.AddNamespace("rest","http://schemas.microsoft.com/search/local/ws/rest/v1");
XmlNode regionNode = xmlDoc.SelectSingleNode("/summary/region");
XmlNodeList classNodes = regionNode.SelectNodes("class");
// Console.WriteLine("Show all formatted class names");
foreach (XmlNode scheduledClass in classNodes)
{
ScheduledClass sc = new ScheduledClass();
sc.Name = scheduledClass.SelectSingleNode("offering").InnerText;
sc.Location = scheduledClass.SelectSingleNode("location").InnerText;
sc.Href = scheduledClass.SelectSingleNode("offering").Attributes.GetNamedItem("href").Value;
sc.Begin = scheduledClass.SelectSingleNode("begin").InnerText;
// sc.Begin = DateTime.Parse(scheduledClass.SelectSingleNode("begin").InnerText).ToUniversalTime();
// Console.WriteLine(sc);
ScheduledClasses.Add(sc);
}
return ScheduledClasses;
}
