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//
// RefactoringService.cs
//
// Author:
// Mike Krüger <mkrueger@novell.com>
//
// Copyright (c) 2009 Novell, Inc (http://www.novell.com)
//
// 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.Generic;
using Mono.Addins;
using MonoDevelop.Projects.CodeGeneration;
using MonoDevelop.Core;
using MonoDevelop.Projects.Dom.Parser;
using MonoDevelop.Ide.Gui;
using MonoDevelop.CodeGeneration;
namespace MonoDevelop.Refactoring
{
public static class RefactoringService
{
static List<RefactoringOperation> refactorings = new List<RefactoringOperation>();
static List<INRefactoryASTProvider> astProviders = new List<INRefactoryASTProvider>();
static List<ICodeGenerator> codeGenerators = new List<ICodeGenerator>();
static RefactoringService ()
{
AddinManager.AddExtensionNodeHandler ("/MonoDevelop/Refactoring/Refactorings", delegate(object sender, ExtensionNodeEventArgs args) {
switch (args.Change) {
case ExtensionChange.Add:
refactorings.Add ((RefactoringOperation)args.ExtensionObject);
break;
case ExtensionChange.Remove:
refactorings.Remove ((RefactoringOperation)args.ExtensionObject);
break;
}
});
AddinManager.AddExtensionNodeHandler ("/MonoDevelop/Refactoring/ASTProvider", delegate(object sender, ExtensionNodeEventArgs args) {
switch (args.Change) {
case ExtensionChange.Add:
astProviders.Add ((INRefactoryASTProvider)args.ExtensionObject);
break;
case ExtensionChange.Remove:
astProviders.Remove ((INRefactoryASTProvider)args.ExtensionObject);
break;
}
});
AddinManager.AddExtensionNodeHandler ("/MonoDevelop/Refactoring/CodeGenerators", delegate(object sender, ExtensionNodeEventArgs args) {
switch (args.Change) {
case ExtensionChange.Add:
codeGenerators.Add ((ICodeGenerator)args.ExtensionObject);
break;
case ExtensionChange.Remove:
codeGenerators.Remove ((ICodeGenerator)args.ExtensionObject);
break;
}
});
}
public static IEnumerable<RefactoringOperation> Refactorings {
get {
return refactorings;
}
}
public static IEnumerable<ICodeGenerator> CodeGenerators {
get {
return codeGenerators;
}
}
class RenameHandler
{
IEnumerable<Change> changes;
public RenameHandler (IEnumerable<Change> changes)
{
this.changes = changes;
}
public void FileRename (object sender, FileCopyEventArgs args)
{
foreach (Change change in changes) {
TextReplaceChange replaceChange = change as TextReplaceChange;
if (replaceChange == null)
continue;
if (args.SourceFile == replaceChange.FileName)
replaceChange.FileName = args.TargetFile;
}
}
}
public static void AcceptChanges (IProgressMonitor monitor, ProjectDom dom, List<Change> changes)
{
AcceptChanges (monitor, dom, changes, MonoDevelop.DesignerSupport.OpenDocumentFileProvider.Instance);
}
public static void AcceptChanges (IProgressMonitor monitor, ProjectDom dom, List<Change> changes, MonoDevelop.Projects.Text.ITextFileProvider fileProvider)
{
RefactorerContext rctx = new RefactorerContext (dom, fileProvider, null);
RenameHandler handler = new RenameHandler (changes);
FileService.FileRenamed += handler.FileRename;
for (int i = 0; i < changes.Count; i++) {
changes[i].PerformChange (monitor, rctx);
TextReplaceChange replaceChange = changes[i] as TextReplaceChange;
if (replaceChange == null)
continue;
for (int j = i + 1; j < changes.Count; j++) {
TextReplaceChange change = changes[j] as TextReplaceChange;
if (change == null)
continue;
if (replaceChange.Offset >= 0 && change.Offset >= 0 && replaceChange.FileName == change.FileName) {
if (replaceChange.Offset < change.Offset) {
change.Offset -= replaceChange.RemovedChars;
if (!string.IsNullOrEmpty (replaceChange.InsertedText))
change.Offset += replaceChange.InsertedText.Length;
} else if (replaceChange.Offset < change.Offset + change.RemovedChars) {
change.RemovedChars -= replaceChange.RemovedChars;
change.Offset = replaceChange.Offset + replaceChange.InsertedText.Length;
}
}
}
}
FileService.FileRenamed -= handler.FileRename;
TextReplaceChange.FinishRefactoringOperation ();
}
public static INRefactoryASTProvider GetASTProvider (string mimeType)
{
foreach (INRefactoryASTProvider provider in astProviders) {
if (provider.CanGenerateASTFrom (mimeType)) {
return provider;
}
}
return null;
}
}
}
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