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//
// System.ComponentModel.Design.Serialization.PropertyCodeDomSerializer
//
// Authors:
// Ivan N. Zlatev (contact i-nZ.net)
//
// (C) 2007 Ivan N. Zlatev
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.CodeDom;
namespace System.ComponentModel.Design.Serialization
{
internal class PropertyCodeDomSerializer : MemberCodeDomSerializer
{
public PropertyCodeDomSerializer ()
{
}
public override void Serialize (IDesignerSerializationManager manager, object value, MemberDescriptor descriptor, CodeStatementCollection statements)
{
if (manager == null)
throw new ArgumentNullException ("manager");
if (value == null)
throw new ArgumentNullException ("value");
if (descriptor == null)
throw new ArgumentNullException ("descriptor");
if (statements == null)
throw new ArgumentNullException ("statements");
PropertyDescriptor property = (PropertyDescriptor) descriptor;
if (property.Attributes.Contains (DesignerSerializationVisibilityAttribute.Content))
SerializeContentProperty (manager, value, property, statements);
else
SerializeNormalProperty (manager, value, property, statements);
}
private void SerializeNormalProperty (IDesignerSerializationManager manager,
object instance, PropertyDescriptor descriptor, CodeStatementCollection statements)
{
CodeAssignStatement assignment = new CodeAssignStatement ();
CodeExpression leftSide = null;
CodePropertyReferenceExpression propRef = null;
ExpressionContext expression = manager.Context[typeof (ExpressionContext)] as ExpressionContext;
RootContext root = manager.Context[typeof (RootContext)] as RootContext;
if (expression != null && expression.PresetValue == instance && expression.Expression != null) {
leftSide = new CodePropertyReferenceExpression (expression.Expression, descriptor.Name);
} else if (root != null && root.Value == instance) {
leftSide = new CodePropertyReferenceExpression (root.Expression, descriptor.Name);
} else {
propRef = new CodePropertyReferenceExpression ();
propRef.PropertyName = descriptor.Name;
propRef.TargetObject = base.SerializeToExpression (manager, instance);
leftSide = propRef;
}
CodeExpression rightSide = null;
MemberRelationship relationship = GetRelationship (manager, instance, descriptor);
if (!relationship.IsEmpty) {
propRef = new CodePropertyReferenceExpression ();
propRef.PropertyName = relationship.Member.Name;
propRef.TargetObject = base.SerializeToExpression (manager, relationship.Owner);
rightSide = propRef;
} else {
rightSide = base.SerializeToExpression (manager, descriptor.GetValue (instance));
}
if (rightSide == null || leftSide == null) {
base.ReportError (manager, "Cannot serialize " + ((IComponent)instance).Site.Name + "." + descriptor.Name,
"Property Name: " + descriptor.Name + System.Environment.NewLine +
"Property Type: " + descriptor.PropertyType.Name + System.Environment.NewLine);
} else {
assignment.Left = leftSide;
assignment.Right = rightSide;
statements.Add (assignment);
}
}
private void SerializeContentProperty (IDesignerSerializationManager manager, object instance,
PropertyDescriptor descriptor, CodeStatementCollection statements)
{
CodePropertyReferenceExpression propRef = new CodePropertyReferenceExpression ();
propRef.PropertyName = descriptor.Name;
object propertyValue = descriptor.GetValue (instance);
ExpressionContext expressionCtx = manager.Context[typeof (ExpressionContext)] as ExpressionContext;
if (expressionCtx != null && expressionCtx.PresetValue == instance)
propRef.TargetObject = expressionCtx.Expression;
else
propRef.TargetObject = base.SerializeToExpression (manager, instance);
CodeDomSerializer serializer = manager.GetSerializer (propertyValue.GetType (), typeof (CodeDomSerializer)) as CodeDomSerializer;
if (propRef.TargetObject != null && serializer != null) {
manager.Context.Push (new ExpressionContext (propRef, propRef.GetType (), null, propertyValue));
object serialized = serializer.Serialize (manager, propertyValue);
manager.Context.Pop ();
CodeStatementCollection serializedStatements = serialized as CodeStatementCollection;
if (serializedStatements != null)
statements.AddRange (serializedStatements);
CodeStatement serializedStatement = serialized as CodeStatement;
if (serializedStatement != null)
statements.Add (serializedStatement);
CodeExpression serializedExpr = serialized as CodeExpression;
if (serializedExpr != null)
statements.Add (new CodeAssignStatement (propRef, serializedExpr));
}
}
public override bool ShouldSerialize (IDesignerSerializationManager manager, object value, MemberDescriptor descriptor)
{
if (manager == null)
throw new ArgumentNullException ("manager");
if (value == null)
throw new ArgumentNullException ("value");
if (descriptor == null)
throw new ArgumentNullException ("descriptor");
PropertyDescriptor property = (PropertyDescriptor) descriptor;
if (property.Attributes.Contains (DesignOnlyAttribute.Yes))
return false;
SerializeAbsoluteContext absolute = manager.Context[typeof (SerializeAbsoluteContext)] as SerializeAbsoluteContext;
if (absolute != null && absolute.ShouldSerialize (descriptor))
return true;
bool result = property.ShouldSerializeValue (value);
if (!result) {
if (!GetRelationship (manager, value, descriptor).IsEmpty)
result = true;
}
return result;
}
private MemberRelationship GetRelationship (IDesignerSerializationManager manager, object value, MemberDescriptor descriptor)
{
MemberRelationshipService service = manager.GetService (typeof (MemberRelationshipService)) as MemberRelationshipService;
if (service != null)
return service[value, descriptor];
else
return MemberRelationship.Empty;
}
}
}
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