summaryrefslogtreecommitdiff
path: root/Xamarin.Forms.Platform.iOS/Renderers/ToolbarRenderer.cs
diff options
context:
space:
mode:
authorJason Smith <jason.smith@xamarin.com>2016-03-22 13:02:25 -0700
committerJason Smith <jason.smith@xamarin.com>2016-03-22 16:13:41 -0700
commit17fdde66d94155fc62a034fa6658995bef6fd6e5 (patch)
treeb5e5073a2a7b15cdbe826faa5c763e270a505729 /Xamarin.Forms.Platform.iOS/Renderers/ToolbarRenderer.cs
downloadxamarin-forms-17fdde66d94155fc62a034fa6658995bef6fd6e5.tar.gz
xamarin-forms-17fdde66d94155fc62a034fa6658995bef6fd6e5.tar.bz2
xamarin-forms-17fdde66d94155fc62a034fa6658995bef6fd6e5.zip
Initial import
Diffstat (limited to 'Xamarin.Forms.Platform.iOS/Renderers/ToolbarRenderer.cs')
-rw-r--r--Xamarin.Forms.Platform.iOS/Renderers/ToolbarRenderer.cs66
1 files changed, 66 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/ToolbarRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/ToolbarRenderer.cs
new file mode 100644
index 00000000..705f95d8
--- /dev/null
+++ b/Xamarin.Forms.Platform.iOS/Renderers/ToolbarRenderer.cs
@@ -0,0 +1,66 @@
+using System.Linq;
+using System.Drawing;
+#if __UNIFIED__
+using UIKit;
+
+#else
+using MonoTouch.UIKit;
+#endif
+
+namespace Xamarin.Forms.Platform.iOS
+{
+ public class ToolbarRenderer : ViewRenderer
+ {
+ protected override void Dispose(bool disposing)
+ {
+ if (disposing)
+ {
+ ((Toolbar)Element).ItemAdded -= OnItemAdded;
+ ((Toolbar)Element).ItemRemoved -= OnItemRemoved;
+
+ if (((UIToolbar)Control).Items != null)
+ {
+ foreach (var item in ((UIToolbar)Control).Items)
+ item.Dispose();
+ }
+ }
+
+ base.Dispose(disposing);
+ }
+
+ protected override void OnElementChanged(ElementChangedEventArgs<View> e)
+ {
+ base.OnElementChanged(e);
+
+ SetNativeControl(new UIToolbar(RectangleF.Empty));
+ UpdateItems(false);
+
+ ((Toolbar)Element).ItemAdded += OnItemAdded;
+ ((Toolbar)Element).ItemRemoved += OnItemRemoved;
+ }
+
+ void OnItemAdded(object sender, ToolbarItemEventArgs eventArg)
+ {
+ UpdateItems(true);
+ }
+
+ void OnItemRemoved(object sender, ToolbarItemEventArgs eventArg)
+ {
+ UpdateItems(true);
+ }
+
+ void UpdateItems(bool animated)
+ {
+ if (((UIToolbar)Control).Items != null)
+ {
+ for (var i = 0; i < ((UIToolbar)Control).Items.Length; i++)
+ ((UIToolbar)Control).Items[i].Dispose();
+ }
+ var items = new UIBarButtonItem[((Toolbar)Element).Items.Count];
+ for (var i = 0; i < ((Toolbar)Element).Items.Count; i++)
+ items[i] = ((Toolbar)Element).Items[i].ToUIBarButtonItem();
+
+ ((UIToolbar)Control).SetItems(items, animated);
+ }
+ }
+} \ No newline at end of file