dialog validation support

Pilz.UI.Telerik/Controls/RadValidationProvider/RadValidationRuleWithTargetControlEx.cs

@@ -0,0 +1,99 @@
+using System.ComponentModel;
+//using System.Linq;
+
+namespace Pilz.UI.Telerik.Controls.RadValidationProvider;
+
+
+/// <summary>
+/// RadValidationRuleWithTargetControl provides a validation logic which compares RadControl's Property with TargetControl's property.
+/// </summary>
+public class RadValidationRuleWithTargetControlEx : RadValidationRuleEx
+{
+    private string sourceControlPropertyName = "Text";
+    public RadValidationRuleWithTargetControlEx()
+    {
+
+    }
+
+    /// <summary>
+    /// Gets or sets the Target Control. This control's property value will be used in the Rule evaluation.
+    /// </summary>
+    [DefaultValue(null)]
+    public Control TargetControl { get; set; }
+
+
+    /// <summary>
+    /// The name of the property that will be used in the Rule evaluation.
+    /// </summary>
+    [DefaultValue("Text")]
+    public string TargetControlPropertyName
+    {
+        get { return this.sourceControlPropertyName; }
+        set { this.sourceControlPropertyName = value; }
+    }
+
+    /// <summary>
+    /// Gets the Rule expression.
+    /// </summary>
+    /// <value>The Rule expression.</value>
+    public override string Expression
+    {
+        get
+        {
+            if (this.TargetControl != null)
+            {
+                this.Value = this.CalculateValue();
+            }
+
+            return base.Expression;
+        }
+    }
+
+    /// <summary>
+    /// Gets or sets the Value of this rule. Controls in the rule will be evaluated against this value.
+    /// </summary>
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    [Browsable(false)]
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+    public override object Value
+    {
+        get
+        {
+            if (this.TargetControl != null && !string.IsNullOrEmpty(this.TargetControlPropertyName))
+            {
+                try
+                {
+                    base.Value = RadValidationProviderEx.GetSubPropertyValue(TargetControl, TargetControlPropertyName);//TargetControl.GetType().GetProperty(TargetControlPropertyName, BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance).GetValue(TargetControl, null);
+                }
+                catch { }
+
+            }
+            return base.Value;
+        }
+        set
+        {
+
+            base.Value = value;
+        }
+    }
+
+    protected virtual object CalculateValue()
+    {
+        if (this.TargetControl.Site != null)
+        {
+            return string.Format("{0}.{1}", this.TargetControl.Name, this.TargetControlPropertyName);
+        }
+
+        if (!string.IsNullOrEmpty(this.TargetControlPropertyName))
+        {
+            try
+            {
+                return RadValidationProviderEx.GetSubPropertyValue(TargetControl, TargetControlPropertyName);//this.TargetControl.GetType().GetProperty(this.TargetControlPropertyName, BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance).GetValue(this.TargetControl, null);
+            }
+            catch
+            { }
+        }
+
+        return null;
+    }
+}