public override void ViewDidLoad ()
{
base.ViewDidLoad ();
Title = "Fonts";
// declare vars
NavItemGroup navGroup;
string fontName;
UIFont font;
NavItem navItem;
Type controller;
for (int i = 0; i < UIFont.FamilyNames.Length; i++)
{
// create a nav group
navGroup = new NavItemGroup (UIFont.FamilyNames[i]);
navItems.Add (navGroup);
// loop through each font name in the family
for (int j = 0; j < UIFont.FontNamesForFamilyName (UIFont.FamilyNames[i]).Length; j++)
{
// add an item of that font
fontName = UIFont.FontNamesForFamilyName (UIFont.FamilyNames[i])[j];
font = UIFont.FromName (fontName, UIFont.SystemFontSize);
if((UIApplication.SharedApplication.Delegate as AppDelegate).CurrentDevice == DeviceType.iPad) {
controller = typeof(Screens.iPad.FontViewer.FontViewerScreen_iPad);
} else {
controller = typeof(Screens.iPhone.FontViewer.FontViewerScreen_iPhone);
}
navItem = new NavItem (fontName, "", controller, new object[] { font });
navItem.Font = font;
navGroup.Items.Add (navItem);
}
}
// create a table source from our nav items
tableSource = new NavItemTableSource (NavigationController, navItems);
// set the source on the table to our data source
base.TableView.Source = tableSource;
}
/// <summary>
/// Called by the TableView to actually build each cell.
/// </summary>
public override UITableViewCell GetCell(UITableView tableView, NSIndexPath indexPath)
{
NavItem navItem = this.navItems[indexPath.Section].Items[indexPath.Row];
var cell = tableView.DequeueReusableCell(this.cellIdentifier);
if (cell == null)
{
cell = new UITableViewCell(UITableViewCellStyle.Default, this.cellIdentifier);
cell.Tag = Environment.TickCount;
}
//---- set the cell properties
cell.TextLabel.Text = this.navItems[indexPath.Section].Items[indexPath.Row].Name;
cell.Accessory = UITableViewCellAccessory.DisclosureIndicator;
if (navItem.Font != null)
{
cell.TextLabel.Font = navItem.Font;
}
return(cell);
}
/// <summary>
/// Is called when a row is selected
/// </summary>
public override void RowSelected(UITableView tableView, NSIndexPath indexPath)
{
//---- get a reference to the nav item
NavItem navItem = navItems[indexPath.Section].Items[indexPath.Row];
// if the nav item has a proper controller, push it on to the NavigationController
// NOTE: we could also raise an event here, to loosely couple this, but isn't neccessary,
// because we'll only ever use this this way
if (navItem.Controller != null)
{
navigationController.PushViewController(navItem.Controller, true);
// show the nav bar (we don't show it on the home page)
navigationController.NavigationBarHidden = false;
}
else
{
if (navItem.ControllerType != null)
{
ConstructorInfo ctor = null;
// if the nav item has constructor aguments
if (navItem.ControllerConstructorArgs.Length > 0)
{
// look for the constructor
ctor = navItem.ControllerType.GetConstructor(navItem.ControllerConstructorTypes);
}
else
{
// search for the default constructor
ctor = navItem.ControllerType.GetConstructor(System.Type.EmptyTypes);
}
// if we found the constructor
if (ctor != null)
{
UIViewController instance = null;
if (navItem.ControllerConstructorArgs.Length > 0)
{
// instance the view controller
instance = ctor.Invoke(navItem.ControllerConstructorArgs) as UIViewController;
}
else
{
// instance the view controller
instance = ctor.Invoke(null) as UIViewController;
}
if (instance != null)
{
// save the object
navItem.Controller = instance;
// push the view controller onto the stack
navigationController.PushViewController(navItem.Controller, true);
}
else
{
Console.WriteLine("instance of view controller not created");
}
}
else
{
Console.WriteLine("constructor not found");
}
}
}
}
