115 lines
4.2 KiB
C#
115 lines
4.2 KiB
C#
//
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// System.ComponentModel.Design.Serialization.ComponentCodeDomSerializer
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//
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// Authors:
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// Ivan N. Zlatev (contact i-nZ.net)
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//
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// (C) 2007 Ivan N. Zlatev
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections;
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using System.ComponentModel;
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using System.ComponentModel.Design;
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using System.CodeDom;
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namespace System.ComponentModel.Design.Serialization
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{
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// A serializer for the IComponent Type, supplied by the CodeDomSerializationProvider,
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// added as a provider by the RootComponentCodeDomSerializer
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//
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internal class ComponentCodeDomSerializer : CodeDomSerializer
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{
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public ComponentCodeDomSerializer ()
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{
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}
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public override object Serialize (IDesignerSerializationManager manager, object value)
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{
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if (value == null)
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throw new ArgumentNullException ("value");
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if (manager == null)
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throw new ArgumentNullException ("manager");
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RootContext rootContext = manager.Context[typeof (RootContext)] as RootContext;
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if (rootContext != null && rootContext.Value == value)
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return rootContext.Expression;
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CodeStatementCollection statements = new CodeStatementCollection ();
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if (((IComponent)value).Site == null) {
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ReportError (manager, "Component of type '" + value.GetType().Name + "' not sited");
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return statements;
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}
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// the trick with the nested components is that GetName will return the full name
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// e.g splitter1.Panel1 and thus the code below will create a reference to that.
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//
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string name = manager.GetName (value);
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CodeExpression componentRef = null;
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if (rootContext != null)
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componentRef = new CodeFieldReferenceExpression (rootContext.Expression , name);
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else
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componentRef = new CodeFieldReferenceExpression (new CodeThisReferenceExpression () , name);
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base.SetExpression (manager, value, componentRef);
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ExpressionContext context = manager.Context[typeof (ExpressionContext)] as ExpressionContext;
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// Perform some heuristics here.
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//
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// If there is an ExpressionContext of PropertyReference where PresetValue == this
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// partial serialization doesn't make sense, so perform full. E.g in the case of:
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//
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// PropertyCodeDomSerializer.SerializeContentProperty and splitContainer1.*Panel1*
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//
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if (context == null || context.PresetValue != value ||
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(context.PresetValue == value && (context.Expression is CodeFieldReferenceExpression ||
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context.Expression is CodePropertyReferenceExpression))) {
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bool isComplete = true;
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statements.Add (new CodeCommentStatement (String.Empty));
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statements.Add (new CodeCommentStatement (name));
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statements.Add (new CodeCommentStatement (String.Empty));
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// Do not serialize a creation expression for Nested components
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//
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if (! (((IComponent)value).Site is INestedSite)) {
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CodeStatement assignment = new CodeAssignStatement (componentRef,
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base.SerializeCreationExpression (manager, value,
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out isComplete));
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assignment.UserData["statement-order"] = "initializer";
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statements.Add (assignment);
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}
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base.SerializeProperties (manager, statements, value, new Attribute[0]);
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base.SerializeEvents (manager, statements, value);
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}
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return statements;
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}
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}
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}
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