Reorged source tree.

2026-02-25 13:04:07 +08:00 · 2015-03-15 17:36:17 -04:00
parent 2ebe3ced0f
commit 54a913893a
137 changed files with 57 additions and 55 deletions
--- a/samples/Sample.WPF/ViewModels/CapVM.cs
+++ b/samples/Sample.WPF/ViewModels/CapVM.cs
@@ -0,0 +1,102 @@
+using NTwain;
+using NTwain.Data;
+using System.Collections;
+using System.Linq;
+using System.Reflection;
+
+namespace Sample.WPF
+{
+    /// <summary>
+    /// Wraps a capability as a view model.
+    /// </summary>
+    class CapVM
+    {
+        DataSource _ds;
+        object _wrapper;
+        MethodInfo _getMethod;
+        MethodInfo _getCurrentMethod;
+        MethodInfo _setMethod;
+
+        public CapVM(DataSource ds, CapabilityId cap)
+        {
+            _ds = ds;
+            Cap = cap;
+
+
+            var capName = cap.ToString();
+            var wrapProperty = ds.Capabilities.GetType().GetProperty(capName);
+            if (wrapProperty != null)
+            {
+                _wrapper = wrapProperty.GetGetMethod().Invoke(ds.Capabilities, null);
+                var wrapperType = _wrapper.GetType();
+                _getMethod = wrapperType.GetMethod("GetValues");
+                _getCurrentMethod = wrapperType.GetMethod("GetCurrent");
+                _setMethod = wrapperType.GetMethods().FirstOrDefault(m => m.Name == "SetValue");
+            }
+
+            var supportTest = ds.Capabilities.QuerySupport(cap);
+            if (supportTest.HasValue)
+            {
+                Supports = supportTest.Value;
+            }
+            else
+            {
+                if (_wrapper != null)
+                {
+                    var wrapperType = _wrapper.GetType();
+                    QuerySupports? supports = (QuerySupports?)wrapperType.GetProperty("SupportedActions").GetGetMethod().Invoke(_wrapper, null);
+                    Supports = supports.GetValueOrDefault();
+                }
+            }
+
+        }
+
+        public IEnumerable Get()
+        {
+            if (_getMethod == null)
+            {
+                return _ds.Capabilities.GetValues(Cap);
+            }
+            return _getMethod.Invoke(_wrapper, null) as IEnumerable;
+        }
+        public object GetCurrent()
+        {
+            if (_getMethod == null)
+            {
+                return _ds.Capabilities.GetCurrent(Cap);
+            }
+            return _getCurrentMethod.Invoke(_wrapper, null);
+        }
+        public void Set(object value)
+        {
+            if (_setMethod != null && value != null)
+            {
+                _setMethod.Invoke(_wrapper, new object[] { value });
+            }
+        }
+
+        public object MyProperty { get; set; }
+
+        public CapabilityId Cap { get; private set; }
+
+        public string Name
+        {
+            get
+            {
+                if (Cap > CapabilityId.CustomBase)
+                {
+                    return "[Custom] " + ((int)Cap - (int)CapabilityId.CustomBase);
+                }
+                return Cap.ToString();
+            }
+        }
+
+        public QuerySupports Supports { get; private set; }
+
+        public override string ToString()
+        {
+            return Name;
+        }
+
+    }
+}