Browse Source
git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/vbnet@5816 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61pull/1/head
Siegfried Pammer
16 years ago
4 changed files with 310 additions and 240 deletions
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// <file>
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// <copyright see="prj:///doc/copyright.txt"/>
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// <license see="prj:///doc/license.txt"/>
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// <owner name="Siegfried Pammer" email="siegfriedpammer@gmail.com" />
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// <version>$Revision$</version>
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// </file>
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using System; |
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using System.Collections.Generic; |
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using System.IO; |
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using System.Linq; |
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using System.Windows.Documents; |
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using ICSharpCode.Core.Presentation; |
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using ICSharpCode.Core.WinForms; |
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using ICSharpCode.NRefactory; |
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using ICSharpCode.NRefactory.Ast; |
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using ICSharpCode.SharpDevelop; |
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using ICSharpCode.SharpDevelop.Dom; |
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using ICSharpCode.SharpDevelop.Dom.Refactoring; |
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using ICSharpCode.SharpDevelop.Editor; |
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using ICSharpCode.SharpDevelop.Gui; |
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using ICSharpCode.SharpDevelop.Refactoring; |
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using Ast = ICSharpCode.NRefactory.Ast; |
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namespace SharpRefactoring |
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{ |
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public class PropertyRefactoringMenuBuilder : ISubmenuBuilder, IMenuItemBuilder |
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{ |
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public System.Collections.ICollection BuildItems(ICSharpCode.Core.Codon codon, object owner) |
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{ |
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return BuildSubmenu(codon, owner).TranslateToWpf(); |
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} |
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public System.Windows.Forms.ToolStripItem[] BuildSubmenu(ICSharpCode.Core.Codon codon, object owner) |
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{ |
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List<System.Windows.Forms.ToolStripItem> items = new List<System.Windows.Forms.ToolStripItem>(); |
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MenuCommand cmd; |
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if (!(owner is ICSharpCode.SharpDevelop.Gui.ClassBrowser.MemberNode)) |
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return items.ToArray(); |
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IProperty property = (owner as ICSharpCode.SharpDevelop.Gui.ClassBrowser.MemberNode).Member as IProperty; |
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if (property == null) |
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return items.ToArray(); |
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ITextEditor editor = FindReferencesAndRenameHelper.OpenDefinitionFile(property, false); |
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string field = null; |
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PropertyDeclaration astProp = null; |
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if (IsAutomaticProperty(editor, property)) { |
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cmd = new MenuCommand("${res:SharpDevelop.Refactoring.ExpandAutomaticProperty}", ExpandAutomaticProperty); |
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cmd.Tag = property; |
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items.Add(cmd); |
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} else if (IsSimpleProperty(editor, property, out astProp, out field)) { |
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cmd = new MenuCommand("${res:SharpDevelop.Refactoring.ConvertToAutomaticProperty}", |
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delegate { |
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IField fieldDef = property.DeclaringType.Fields.FirstOrDefault(f => f.Name == field); |
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if (fieldDef == null) |
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return; |
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ConvertToAutomaticProperty(editor, property, fieldDef, astProp); |
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} |
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); |
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cmd.Tag = property; |
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items.Add(cmd); |
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} |
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return items.ToArray(); |
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} |
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bool IsAutomaticProperty(ITextEditor editor, IProperty property) |
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{ |
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if (editor == null) |
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return false; |
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bool isAutomatic = false; |
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if (property.CanGet) { |
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if (property.GetterRegion.IsEmpty) |
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isAutomatic = true; |
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else { |
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int getterStartOffset = editor.Document.PositionToOffset(property.GetterRegion.BeginLine, property.GetterRegion.BeginColumn); |
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int getterEndOffset = editor.Document.PositionToOffset(property.GetterRegion.EndLine, property.GetterRegion.EndColumn); |
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string text = editor.Document.GetText(getterStartOffset, getterEndOffset - getterStartOffset) |
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.Replace(" ", "").Replace("\t", "").Replace("\n", "").Replace("\r", ""); |
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isAutomatic = text == "get;"; |
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} |
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} |
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if (property.CanSet) { |
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if (property.SetterRegion.IsEmpty) |
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isAutomatic |= true; |
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else { |
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int setterStartOffset = editor.Document.PositionToOffset(property.SetterRegion.BeginLine, property.SetterRegion.BeginColumn); |
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int setterEndOffset = editor.Document.PositionToOffset(property.SetterRegion.EndLine, property.SetterRegion.EndColumn); |
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string text = editor.Document.GetText(setterStartOffset, setterEndOffset - setterStartOffset) |
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.Replace(" ", "").Replace("\t", "").Replace("\n", "").Replace("\r", ""); |
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isAutomatic |= text == "set;"; |
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} |
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} |
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return isAutomatic; |
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} |
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void ExpandAutomaticProperty(object sender, EventArgs e) |
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{ |
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MenuCommand item = (MenuCommand)sender; |
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IProperty member = (IProperty)item.Tag; |
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ITextEditor textEditor = FindReferencesAndRenameHelper.JumpToDefinition(member); |
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if (textEditor != null) { |
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CodeGenerator codeGen = member.DeclaringType.ProjectContent.Language.CodeGenerator; |
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IField field = new DefaultField(member.ReturnType, codeGen.GetFieldName(member.Name), |
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member.Modifiers & ModifierEnum.Static, DomRegion.Empty, member.DeclaringType); |
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ClassFinder finder = new ClassFinder(member); |
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Ast.PropertyDeclaration p = codeGen.CreateProperty(field, member.CanGet, member.CanSet); |
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p.Modifier = CodeGenerator.ConvertModifier(member.Modifiers, finder); |
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PropertyDeclaration oldProp = ParseMember<PropertyDeclaration>(Path.GetExtension(textEditor.FileName), GetMemberText(member, textEditor)); |
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if (member.CanGet) |
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p.GetRegion.Modifier = CodeGenerator.ConvertModifier(member.GetterModifiers, finder); |
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if (member.CanSet) |
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p.SetRegion.Modifier = CodeGenerator.ConvertModifier(member.SetterModifiers, finder); |
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int startOffset = textEditor.Document.PositionToOffset(member.Region.BeginLine, member.Region.BeginColumn); |
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int endOffset = textEditor.Document.PositionToOffset(member.Region.EndLine, member.Region.EndColumn); |
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if (!member.BodyRegion.IsEmpty) |
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endOffset = textEditor.Document.PositionToOffset(member.BodyRegion.EndLine, member.BodyRegion.EndColumn); |
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FieldDeclaration f = CodeGenerator.ConvertMember(field, finder); |
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f.Fields[0].Initializer = oldProp.Initializer; |
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using (textEditor.Document.OpenUndoGroup()) { |
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textEditor.Document.Remove(startOffset, endOffset - startOffset); |
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if (codeGen.Options.EmptyLinesBetweenMembers) { |
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var line = textEditor.Document.GetLine(member.Region.BeginLine); |
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textEditor.Document.Remove(line.Offset, line.TotalLength); |
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} |
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codeGen.InsertCodeInClass(member.DeclaringType, new RefactoringDocumentAdapter(textEditor.Document), member.Region.BeginLine - 1, f, p); |
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} |
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ParserService.ParseCurrentViewContent(); |
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} |
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} |
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bool IsSimpleProperty(ITextEditor editor, IProperty property, out Ast.PropertyDeclaration astProperty, out string fieldName) |
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{ |
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astProperty = null; |
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fieldName = null; |
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if (editor == null) |
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return false; |
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string ext = Path.GetExtension(editor.FileName); |
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string code = GetMemberText(property, editor); |
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Ast.PropertyDeclaration p = ParseMember<Ast.PropertyDeclaration>(ext, code); |
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if (p == null) |
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return false; |
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bool getResult = true; |
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bool setResult = true; |
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string identifier = null; |
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if (p.HasGetRegion) { |
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getResult = false; |
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var ret = p.GetRegion.Block.Children.FirstOrDefault() as Ast.ReturnStatement; |
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if (ret != null) { |
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getResult = ret.Expression is Ast.IdentifierExpression; |
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identifier = getResult ? (ret.Expression as Ast.IdentifierExpression).Identifier : null; |
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} |
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} |
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if (p.HasSetRegion) { |
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setResult = false; |
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var ret = p.SetRegion.Block.Children.FirstOrDefault() as Ast.ExpressionStatement; |
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if (ret != null && p.SetRegion.Block.Children.Count == 1 && ret.Expression is Ast.AssignmentExpression) { |
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var assign = ret.Expression as Ast.AssignmentExpression; |
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setResult = assign.Op == Ast.AssignmentOperatorType.Assign && |
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IsValidMemberAssignment(assign.Left, ref identifier) && |
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(assign.Right is Ast.IdentifierExpression && (assign.Right as Ast.IdentifierExpression).Identifier == "value"); |
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} |
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} |
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astProperty = p; |
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fieldName = identifier; |
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return getResult && setResult; |
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} |
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T ParseMember<T>(string ext, string code) where T : INode |
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{ |
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IParser parser = null; |
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try { |
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if (ext.Equals(".cs", StringComparison.OrdinalIgnoreCase)) |
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parser = ParserFactory.CreateParser(SupportedLanguage.CSharp, new StringReader(code)); |
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if (ext.Equals(".vb", StringComparison.OrdinalIgnoreCase)) |
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parser = ParserFactory.CreateParser(SupportedLanguage.VBNet, new StringReader(code)); |
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if (parser == null) |
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return default(T); |
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var nodes = parser.ParseTypeMembers(); |
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if (parser.Errors.Count > 0) |
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return default(T); |
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return (T)nodes.FirstOrDefault(); |
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} finally { |
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if (parser != null) |
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parser.Dispose(); |
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} |
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} |
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string GetMemberText(IMember member, ITextEditor editor) |
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{ |
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int startOffset = editor.Document.PositionToOffset(member.Region.BeginLine, member.Region.BeginColumn); |
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int endOffset; |
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if (member.BodyRegion.IsEmpty) |
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endOffset = editor.Document.PositionToOffset(member.Region.EndLine, member.Region.EndColumn); |
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else |
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endOffset = editor.Document.PositionToOffset(member.BodyRegion.EndLine, member.BodyRegion.EndColumn); |
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return editor.Document.GetText(startOffset, endOffset - startOffset); |
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} |
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bool IsValidMemberAssignment(Ast.Expression left, ref string identifier) |
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{ |
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if (left is Ast.MemberReferenceExpression) { |
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var e = left as Ast.MemberReferenceExpression; |
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if (identifier == null) { |
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identifier = e.MemberName; |
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return e.TargetObject is Ast.ThisReferenceExpression; |
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} else |
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return e.TargetObject is Ast.ThisReferenceExpression && e.MemberName == identifier; |
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} |
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if (identifier == null) { |
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if (left is Ast.IdentifierExpression) { |
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identifier = (left as Ast.IdentifierExpression).Identifier; |
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return true; |
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} |
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return false; |
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} else |
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return (left is Ast.IdentifierExpression) && (left as Ast.IdentifierExpression).Identifier == identifier; |
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} |
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void ConvertToAutomaticProperty(ITextEditor editor, IProperty property, IField fieldDef, Ast.PropertyDeclaration astProp) |
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{ |
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CodeGenerator codeGen = property.DeclaringType.ProjectContent.Language.CodeGenerator; |
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int fieldStartOffset = editor.Document.PositionToOffset(fieldDef.Region.BeginLine, fieldDef.Region.BeginColumn); |
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int fieldEndOffset = editor.Document.PositionToOffset(fieldDef.Region.EndLine, fieldDef.Region.EndColumn); |
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int startOffset = editor.Document.PositionToOffset(property.Region.BeginLine, property.Region.BeginColumn); |
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int endOffset = editor.Document.PositionToOffset(property.BodyRegion.EndLine, property.BodyRegion.EndColumn); |
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ITextAnchor startAnchor = editor.Document.CreateAnchor(startOffset); |
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ITextAnchor endAnchor = editor.Document.CreateAnchor(endOffset); |
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if (astProp.HasGetRegion) |
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astProp.GetRegion.Block = null; |
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if (!astProp.HasSetRegion) { |
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astProp.SetRegion = new Ast.PropertySetRegion(null, null); |
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astProp.SetRegion.Modifier = CodeGenerator.ConvertModifier(fieldDef.Modifiers, new ClassFinder(fieldDef)) |
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& (Ast.Modifiers.Private | Ast.Modifiers.Internal | Ast.Modifiers.Protected | Ast.Modifiers.Public); |
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} |
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Ast.FieldDeclaration f = ParseMember<Ast.FieldDeclaration>(Path.GetExtension(editor.FileName), |
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GetMemberText(fieldDef, editor)); |
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astProp.Initializer = f.Fields.First().Initializer; |
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if (astProp.HasSetRegion) |
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astProp.SetRegion.Block = null; |
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using (AsynchronousWaitDialog monitor = AsynchronousWaitDialog.ShowWaitDialog("${res:SharpDevelop.Refactoring.ConvertToAutomaticProperty}")) { |
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var refs = RefactoringService.FindReferences(fieldDef, monitor); |
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using (editor.Document.OpenUndoGroup()) { |
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FindReferencesAndRenameHelper.RenameReferences(refs, property.Name); |
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editor.Document.Remove(fieldStartOffset, fieldEndOffset - fieldStartOffset); |
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editor.Document.Replace(startAnchor.Offset, endAnchor.Offset - startAnchor.Offset, codeGen.GenerateCode(astProp, "")); |
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} |
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} |
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} |
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} |
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} |
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