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//
// System.ComponentModel.Design.Serialization.ComponentCodeDomSerializer
//
// 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.Collections;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.CodeDom;
namespace System.ComponentModel.Design.Serialization
{
// A serializer for the IComponent Type, supplied by the CodeDomSerializationProvider,
// added as a provider by the RootComponentCodeDomSerializer
//
internal class ComponentCodeDomSerializer : CodeDomSerializer
{
public ComponentCodeDomSerializer ()
{
}
public override object Serialize (IDesignerSerializationManager manager, object value)
{
if (value == null)
throw new ArgumentNullException ("value");
if (manager == null)
throw new ArgumentNullException ("manager");
RootContext rootContext = manager.Context[typeof (RootContext)] as RootContext;
if (rootContext != null && rootContext.Value == value)
return rootContext.Expression;
CodeStatementCollection statements = new CodeStatementCollection ();
if (((IComponent)value).Site == null) {
ReportError (manager, "Component of type '" + value.GetType().Name + "' not sited");
return statements;
}
// the trick with the nested components is that GetName will return the full name
// e.g splitter1.Panel1 and thus the code below will create a reference to that.
//
string name = manager.GetName (value);
CodeExpression componentRef = null;
if (rootContext != null)
componentRef = new CodeFieldReferenceExpression (rootContext.Expression , name);
else
componentRef = new CodeFieldReferenceExpression (new CodeThisReferenceExpression () , name);
base.SetExpression (manager, value, componentRef);
ExpressionContext context = manager.Context[typeof (ExpressionContext)] as ExpressionContext;
// Perform some heuristics here.
//
// If there is an ExpressionContext of PropertyReference where PresetValue == this
// partial serialization doesn't make sense, so perform full. E.g in the case of:
//
// PropertyCodeDomSerializer.SerializeContentProperty and splitContainer1.*Panel1*
//
if (context == null || context.PresetValue != value ||
(context.PresetValue == value && (context.Expression is CodeFieldReferenceExpression ||
context.Expression is CodePropertyReferenceExpression))) {
bool isComplete = true;
statements.Add (new CodeCommentStatement (String.Empty));
statements.Add (new CodeCommentStatement (name));
statements.Add (new CodeCommentStatement (String.Empty));
// Do not serialize a creation expression for Nested components
//
if (! (((IComponent)value).Site is INestedSite)) {
CodeStatement assignment = new CodeAssignStatement (componentRef,
base.SerializeCreationExpression (manager, value,
out isComplete));
assignment.UserData["statement-order"] = "initializer";
statements.Add (assignment);
}
base.SerializeProperties (manager, statements, value, new Attribute[0]);
base.SerializeEvents (manager, statements, value);
}
return statements;
}
}
}
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