Merge pull request #17 from MichaelTheShifter/shiftui_integration

Shiftui integration

1 files changed, 120 insertions, 0 deletions

diff --git a/source/ShiftUI/Design/ControlDataObject.cs b/source/ShiftUI/Design/ControlDataObject.cs
new file mode 100644
index 0000000..932a4de
--- /dev/null
+++ b/source/ShiftUI/Design/ControlDataObject.cs
@@ -0,0 +1,120 @@
+using System;
+using ShiftUI;
+
+namespace ShiftUI.Design
+{
+	// A IDataObject that supports Widget and Widget[] format
+	//
+	internal class WidgetDataObject : IDataObject
+	{
+		private object _data = null;
+		private string _format = null;
+
+		public WidgetDataObject ()
+		{
+			_data = null;
+			_format = null;
+		}
+
+		public WidgetDataObject (Widget control)
+		{
+			SetData (control);
+		}
+
+		public WidgetDataObject (Widget[] controls)
+		{
+			SetData (controls);
+		}
+
+		public object GetData (Type format)
+		{
+			return this.GetData (format.ToString ());
+		}
+
+		public object GetData (string format)
+		{
+			return this.GetData (format, true);
+		}
+
+		public object GetData (string format, bool autoConvert)
+		{
+			if (format == _format) {
+				return _data;
+			}
+			return null;
+		}
+
+		public bool GetDataPresent (Type format)
+		{
+			return this.GetDataPresent (format.ToString());
+		}
+
+		public bool GetDataPresent (string format)
+		{
+			return this.GetDataPresent (format, true);
+		}
+
+		public bool GetDataPresent (string format, bool autoConvert)
+		{
+			if (format == _format) {
+				return true;
+			}
+			return false;
+		}
+
+		public string[] GetFormats ()
+		{
+			return this.GetFormats (true);
+		}
+
+		public string[] GetFormats (bool autoConvert)
+		{
+			string[] formats = new string[2];
+			formats[0] = typeof (Widget).ToString ();
+			formats[1] = typeof (Widget[]).ToString ();
+			return formats;
+		}
+
+		public void SetData (object data)
+		{
+			if (data is Widget)
+				this.SetData (typeof (Widget), data);
+			else if (data is Widget[])
+				this.SetData (typeof (Widget[]), data);
+		}
+
+		public void SetData (Type format, object data)
+		{
+			this.SetData (format.ToString (), data);
+		}
+
+		public void SetData (string format, object data)
+		{
+			this.SetData (format, true, data);
+		}
+
+		public void SetData (string format, bool autoConvert, object data)
+		{
+			if (ValidateFormat (format)) {
+				_data = data;
+				_format = format;
+			}
+		}
+
+		private bool ValidateFormat (string format)
+		{
+			bool valid = false;
+
+			string[] formats = GetFormats ();
+			foreach (string f in formats) {
+				if (f == format) {
+					valid = true;
+					break;
+				}
+			}
+
+			return valid;
+		}
+	}
+}
+