private void ExtractMethod(ExtractMethodModel model)
{
var selection = model.Selection.Selection;
_editor.DeleteLines(selection);
_editor.InsertLines(selection.StartLine, GetMethodCall(model));
var insertionLine = model.SourceMember.Context.GetSelection().EndLine - selection.LineCount + 2;
_editor.InsertLines(insertionLine, GetExtractedMethod(model));
// assumes these are declared *before* the selection...
var offset = 0;
foreach (var declaration in model.DeclarationsToMove.OrderBy(e => e.Selection.StartLine))
{
var target = new Selection(
declaration.Selection.StartLine - offset,
declaration.Selection.StartColumn,
declaration.Selection.EndLine - offset,
declaration.Selection.EndColumn);
_editor.DeleteLines(target);
offset += declaration.Selection.LineCount;
}
}
private void InsertDeclaration(Declaration target)
{
var firstReference = target.References.OrderBy(r => r.Selection.StartLine).First();
var beginningOfInstructionSelection = GetBeginningOfInstructionSelection(target, firstReference.Selection);
var oldLines = _editor.GetLines(beginningOfInstructionSelection);
var newLines = oldLines.Insert(beginningOfInstructionSelection.StartColumn - 1, GetDeclarationString(target));
var newLinesWithoutStringLiterals = newLines.StripStringLiterals();
var lastIndexOfColon = newLinesWithoutStringLiterals.LastIndexOf(':');
while (lastIndexOfColon != -1)
{
var numberOfCharsToRemove = lastIndexOfColon == newLines.Length - 1 || newLines[lastIndexOfColon + 1] != ' '
? 1
: 2;
newLinesWithoutStringLiterals = newLinesWithoutStringLiterals
.Remove(lastIndexOfColon, numberOfCharsToRemove)
.Insert(lastIndexOfColon, Environment.NewLine);
newLines = newLines
.Remove(lastIndexOfColon, numberOfCharsToRemove)
.Insert(lastIndexOfColon, Environment.NewLine);
lastIndexOfColon = newLinesWithoutStringLiterals.LastIndexOf(':');
}
_editor.DeleteLines(beginningOfInstructionSelection);
_editor.InsertLines(beginningOfInstructionSelection.StartLine, newLines);
}
private void AddInterface()
{
var interfaceComponent = _model.TargetDeclaration.Project.VBComponents.Add(vbext_ComponentType.vbext_ct_ClassModule);
interfaceComponent.Name = _model.InterfaceName;
_editor.InsertLines(1, Tokens.Option + ' ' + Tokens.Explicit + Environment.NewLine);
_editor.InsertLines(3, GetInterfaceModuleBody());
var module = _model.TargetDeclaration.QualifiedSelection.QualifiedName.Component.CodeModule;
_insertionLine = module.CountOfDeclarationLines + 1;
module.InsertLines(_insertionLine, Tokens.Implements + ' ' + _model.InterfaceName + Environment.NewLine);
_state.StateChanged += _state_StateChanged;
_state.OnParseRequested(this);
}
private void RemoveVariable(Declaration target)
{
Selection selection;
var declarationText = target.Context.GetText();
var multipleDeclarations = target.HasMultipleDeclarationsInStatement();
var variableStmtContext = target.GetVariableStmtContext();
if (!multipleDeclarations)
{
declarationText = variableStmtContext.GetText();
selection = target.GetVariableStmtContextSelection();
}
else
{
selection = new Selection(target.Context.Start.Line, target.Context.Start.Column,
target.Context.Stop.Line, target.Context.Stop.Column);
}
var oldLines = _editor.GetLines(selection);
var newLines = oldLines.Replace(" _" + Environment.NewLine, string.Empty)
.Remove(selection.StartColumn, declarationText.Length);
if (multipleDeclarations)
{
selection = target.GetVariableStmtContextSelection();
newLines = RemoveExtraComma(_editor.GetLines(selection).Replace(oldLines, newLines),
target.CountOfDeclarationsInStatement(), target.IndexOfVariableDeclarationInStatement());
}
var newLinesWithoutExcessSpaces = newLines.Split(new[] { Environment.NewLine }, StringSplitOptions.None);
for (var i = 0; i < newLinesWithoutExcessSpaces.Length; i++)
{
newLinesWithoutExcessSpaces[i] = newLinesWithoutExcessSpaces[i].RemoveExtraSpacesLeavingIndentation();
}
for (var i = newLinesWithoutExcessSpaces.Length - 1; i >= 0; i--)
{
if (newLinesWithoutExcessSpaces[i].Trim() == string.Empty)
{
continue;
}
if (newLinesWithoutExcessSpaces[i].EndsWith(" _"))
{
newLinesWithoutExcessSpaces[i] =
newLinesWithoutExcessSpaces[i].Remove(newLinesWithoutExcessSpaces[i].Length - 2);
}
break;
}
_editor.DeleteLines(selection);
_editor.InsertLines(selection.StartLine, string.Join(Environment.NewLine, newLinesWithoutExcessSpaces));
}
private void RemoveField(Declaration target)
{
Selection selection;
var declarationText = target.Context.GetText();
var multipleDeclarations = target.HasMultipleDeclarationsInStatement();
var variableStmtContext = target.GetVariableStmtContext();
if (!multipleDeclarations)
{
declarationText = variableStmtContext.GetText();
selection = target.GetVariableStmtContextSelection();
}
else
{
selection = new Selection(target.Context.Start.Line, target.Context.Start.Column,
target.Context.Stop.Line, target.Context.Stop.Column);
}
var oldLines = _editor.GetLines(selection);
var newLines = oldLines.Replace(" _" + Environment.NewLine, string.Empty)
.Remove(selection.StartColumn, declarationText.Length);
if (multipleDeclarations)
{
selection = target.GetVariableStmtContextSelection();
newLines = RemoveExtraComma(_editor.GetLines(selection).Replace(oldLines, newLines),
target.CountOfDeclarationsInStatement(), target.IndexOfVariableDeclarationInStatement());
}
newLines = newLines.Replace(" _" + Environment.NewLine, string.Empty);
_editor.DeleteLines(selection);
if (newLines.Trim() != string.Empty)
{
_editor.InsertLines(selection.StartLine, newLines);
}
}
