| public LogicalToVisualLocation ( Mono.TextEditor.DocumentLocation location ) : Mono.TextEditor.DocumentLocation | ||
| location | Mono.TextEditor.DocumentLocation | |
| return | Mono.TextEditor.DocumentLocation | |
async void CopyData(TextEditorData data, MonoDevelop.Ide.Editor.Selection selection)
{
if (!selection.IsEmpty && data != null && data.Document != null)
{
this.docStyle = data.ColorStyle;
this.options = data.Options;
copyData = null;
switch (selection.SelectionMode)
{
case MonoDevelop.Ide.Editor.SelectionMode.Normal:
isBlockMode = false;
var segment = selection.GetSelectionRange(data);
copiedColoredChunks = await ClipboardColoredText.GetChunks(data, segment);
var pasteHandler = data.TextPasteHandler;
if (pasteHandler != null)
{
try {
copyData = pasteHandler.GetCopyData(segment.Offset, segment.Length);
} catch (Exception e) {
LoggingService.LogError("Exception while getting copy data", e);
}
}
break;
case MonoDevelop.Ide.Editor.SelectionMode.Block:
isBlockMode = true;
var visStart = data.LogicalToVisualLocation(selection.Anchor);
var visEnd = data.LogicalToVisualLocation(selection.Lead);
int startCol = System.Math.Min(visStart.Column, visEnd.Column);
int endCol = System.Math.Max(visStart.Column, visEnd.Column);
copiedColoredChunks = new List <List <ClipboardColoredText> > ();
for (int lineNr = selection.MinLine; lineNr <= selection.MaxLine; lineNr++)
{
DocumentLine curLine = data.Document.GetLine(lineNr);
int col1 = curLine.GetLogicalColumn(data, startCol) - 1;
int col2 = System.Math.Min(curLine.GetLogicalColumn(data, endCol) - 1, curLine.Length);
if (col1 < col2)
{
copiedColoredChunks.Add((await ClipboardColoredText.GetChunks(data, new TextSegment(curLine.Offset + col1, col2 - col1))).First());
}
else
{
copiedColoredChunks.Add(new List <ClipboardColoredText> ());
}
}
break;
}
}
else
{
copiedColoredChunks = null;
}
}
void CopyData(TextEditorData data, Selection selection)
{
if (!selection.IsEmpty && data != null && data.Document != null)
{
this.docStyle = data.ColorStyle;
this.options = data.Options;
copyData = null;
switch (selection.SelectionMode)
{
case SelectionMode.Normal:
isBlockMode = false;
var segment = selection.GetSelectionRange(data);
copiedColoredChunks = ColoredSegment.GetChunks(data, segment);
var pasteHandler = data.TextPasteHandler;
if (pasteHandler != null)
{
copyData = pasteHandler.GetCopyData(segment);
}
break;
case SelectionMode.Block:
isBlockMode = true;
DocumentLocation visStart = data.LogicalToVisualLocation(selection.Anchor);
DocumentLocation visEnd = data.LogicalToVisualLocation(selection.Lead);
int startCol = System.Math.Min(visStart.Column, visEnd.Column);
int endCol = System.Math.Max(visStart.Column, visEnd.Column);
copiedColoredChunks = new List <List <ColoredSegment> > ();
for (int lineNr = selection.MinLine; lineNr <= selection.MaxLine; lineNr++)
{
DocumentLine curLine = data.Document.GetLine(lineNr);
int col1 = curLine.GetLogicalColumn(data, startCol) - 1;
int col2 = System.Math.Min(curLine.GetLogicalColumn(data, endCol) - 1, curLine.Length);
if (col1 < col2)
{
copiedColoredChunks.Add(ColoredSegment.GetChunks(data, new TextSegment(curLine.Offset + col1, col2 - col1)).First());
}
else
{
copiedColoredChunks.Add(new List <ColoredSegment> ());
}
}
break;
}
}
else
{
copiedColoredChunks = null;
}
}
public static void InsertTab (TextEditorData data)
{
if (!data.CanEditSelection)
return;
if (data.IsMultiLineSelection && data.MainSelection.SelectionMode != SelectionMode.Block) {
IndentSelection (data);
return;
}
using (var undo = data.OpenUndoGroup ()) {
string indentationString = "\t";
bool convertTabToSpaces = data.Options.TabsToSpaces;
if (!convertTabToSpaces && !data.Options.AllowTabsAfterNonTabs) {
for (int i = 1; i < data.Caret.Column; i++) {
if (data.Document.GetCharAt (data.Caret.Offset - i) != '\t') {
convertTabToSpaces = true;
break;
}
}
}
if (convertTabToSpaces) {
DocumentLocation visualLocation = data.LogicalToVisualLocation (data.Caret.Location);
int tabWidth = TextViewMargin.GetNextTabstop (data, visualLocation.Column) - visualLocation.Column;
indentationString = new string (' ', tabWidth);
}
if (!(data.IsMultiLineSelection && data.MainSelection.SelectionMode == SelectionMode.Block) && data.IsSomethingSelected)
data.DeleteSelectedText ();
data.InsertAtCaret (indentationString);
}
}
static int PastePlainText(TextEditorData data, int offset, string text, bool preserveSelection = false, byte[] copyData = null)
{
int inserted = 0;
var undo = data.OpenUndoGroup();
try {
var version = data.Document.Version;
if (!preserveSelection)
{
data.DeleteSelectedText(!data.IsSomethingSelected || data.MainSelection.SelectionMode != MonoDevelop.Ide.Editor.SelectionMode.Block);
}
int startLine = data.Caret.Line;
data.EnsureCaretIsNotVirtual();
if (data.IsSomethingSelected && data.MainSelection.SelectionMode == MonoDevelop.Ide.Editor.SelectionMode.Block)
{
var selection = data.MainSelection;
var visualInsertLocation = data.LogicalToVisualLocation(selection.Anchor);
var changes = new List <Microsoft.CodeAnalysis.Text.TextChange> ();
for (int lineNumber = selection.MinLine; lineNumber <= selection.MaxLine; lineNumber++)
{
var lineSegment = data.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(data, visualInsertLocation.Column) - 1;
string textToInsert;
if (lineSegment.Length < insertOffset)
{
int visualLastColumn = lineSegment.GetVisualColumn(data, lineSegment.Length + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % data.Options.TabSize;
textToInsert = new string ('\t', (charsToInsert - spaceCount) / data.Options.TabSize) + new string (' ', spaceCount) + text;
insertOffset = lineSegment.Length;
}
else
{
textToInsert = text;
}
changes.Add(new Microsoft.CodeAnalysis.Text.TextChange(new Microsoft.CodeAnalysis.Text.TextSpan(lineSegment.Offset + insertOffset, 0), textToInsert));
inserted = textToInsert.Length;
}
data.Document.ApplyTextChanges(changes);
}
else
{
offset = version.MoveOffsetTo(data.Document.Version, offset);
inserted = data.PasteText(offset, text, copyData, ref undo);
}
data.FixVirtualIndentation(startLine);
} finally {
undo.Dispose();
}
return(inserted);
}
/// <summary>
/// Gets the outermost closed fold pertaining to the current caret position
/// </summary>
static FoldSegment GetOutermostClosedFold (TextEditorData data)
{
FoldSegment currentFold = null;
int endOffset = -1, startOffset = int.MaxValue;
IEnumerable<FoldSegment> folds = data.Document.GetFoldingContaining (data.Caret.Line);
int lineNumber = data.LogicalToVisualLocation (data.Caret.Location).Line;
if (null != folds) {
foreach (FoldSegment fold in folds) {
if (fold.IsFolded && data.Document.LogicalToVisualLine (data.Document.OffsetToLineNumber (fold.Offset)) == lineNumber &&
fold.Offset <= startOffset && fold.EndOffset >= endOffset) {
currentFold = fold;
startOffset = fold.Offset;
endOffset = fold.EndOffset;
}
}
}
return currentFold;
}
static int PastePlainText(TextEditorData data, int offset, string text, bool preserveSelection = false, byte[] copyData = null)
{
int inserted = 0;
var undo = data.OpenUndoGroup();
var version = data.Document.Version;
if (!preserveSelection)
{
data.DeleteSelectedText(!data.IsSomethingSelected || data.MainSelection.SelectionMode != SelectionMode.Block);
}
data.EnsureCaretIsNotVirtual();
if (data.IsSomethingSelected && data.MainSelection.SelectionMode == SelectionMode.Block)
{
var selection = data.MainSelection;
var visualInsertLocation = data.LogicalToVisualLocation(selection.Anchor);
for (int lineNumber = selection.MinLine; lineNumber <= selection.MaxLine; lineNumber++)
{
var lineSegment = data.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(data, visualInsertLocation.Column) - 1;
string textToInsert;
if (lineSegment.Length < insertOffset)
{
int visualLastColumn = lineSegment.GetVisualColumn(data, lineSegment.Length + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % data.Options.TabSize;
textToInsert = new string ('\t', (charsToInsert - spaceCount) / data.Options.TabSize) + new string (' ', spaceCount) + text;
insertOffset = lineSegment.Length;
}
else
{
textToInsert = text;
}
inserted = data.Insert(lineSegment.Offset + insertOffset, textToInsert);
}
}
else
{
offset = version.MoveOffsetTo(data.Document.Version, offset);
inserted = data.PasteText(offset, text, copyData, ref undo);
}
undo.Dispose();
return(inserted);
}
/// <summary>
/// Gets the outermost closed fold pertaining to the current caret position
/// </summary>
static FoldSegment GetOutermostClosedFold(TextEditorData data)
{
FoldSegment currentFold = null;
int endOffset = -1, startOffset = int.MaxValue;
IEnumerable <FoldSegment> folds = data.Document.GetFoldingContaining(data.Caret.Line);
int lineNumber = data.LogicalToVisualLocation(data.Caret.Location).Line;
if (null != folds)
{
foreach (FoldSegment fold in folds)
{
if (fold.IsFolded && data.LogicalToVisualLine(data.OffsetToLineNumber(fold.Offset)) == lineNumber &&
fold.Offset <= startOffset && fold.EndOffset >= endOffset)
{
currentFold = fold;
startOffset = fold.Offset;
endOffset = fold.EndOffset;
}
}
}
return(currentFold);
}
public static void Backspace(TextEditorData data, Action <TextEditorData> removeCharBeforeCaret)
{
if (!data.CanEditSelection)
{
return;
}
using (var undo = data.OpenUndoGroup()) {
if (data.IsSomethingSelected)
{
var visualAnchorLocation = data.LogicalToVisualLocation(data.MainSelection.Anchor);
var visualLeadLocation = data.LogicalToVisualLocation(data.MainSelection.Lead);
// case: zero width block selection
if (data.MainSelection.SelectionMode == SelectionMode.Block && visualAnchorLocation.Column == visualLeadLocation.Column)
{
var col = data.MainSelection.Lead.Column;
if (col <= DocumentLocation.MinColumn)
{
data.ClearSelection();
return;
}
bool preserve = data.Caret.PreserveSelection;
data.Caret.PreserveSelection = true;
for (int lineNumber = data.MainSelection.MinLine; lineNumber <= data.MainSelection.MaxLine; lineNumber++)
{
var lineSegment = data.Document.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(data, visualAnchorLocation.Column - 1) - 1;
data.Remove(lineSegment.Offset + insertOffset, 1);
}
var visualColumn = data.GetLine(data.Caret.Location.Line).GetVisualColumn(data, col - 1);
data.MainSelection = new Selection(
new DocumentLocation(data.MainSelection.Anchor.Line, data.GetLine(data.MainSelection.Anchor.Line).GetLogicalColumn(data, visualColumn)),
new DocumentLocation(data.MainSelection.Lead.Line, data.GetLine(data.MainSelection.Lead.Line).GetLogicalColumn(data, visualColumn)),
SelectionMode.Block
);
data.Caret.PreserveSelection = preserve;
data.Document.CommitMultipleLineUpdate(data.MainSelection.MinLine, data.MainSelection.MaxLine);
return;
}
data.DeleteSelectedText(data.MainSelection.SelectionMode != SelectionMode.Block);
return;
}
if (data.Caret.Line == DocumentLocation.MinLine && data.Caret.Column == DocumentLocation.MinColumn)
{
return;
}
// Virtual indentation needs to be fixed before to have the same behavior
// if it's there or not (otherwise user has to press multiple backspaces in some cases)
data.EnsureCaretIsNotVirtual();
DocumentLine line = data.Document.GetLine(data.Caret.Line);
if (data.Caret.Column > line.Length + 1)
{
data.Caret.Column = line.Length + 1;
}
else if (data.Caret.Offset == line.Offset)
{
DocumentLine lineAbove = data.Document.GetLine(data.Caret.Line - 1);
if (lineAbove.Length == 0 && data.HasIndentationTracker && data.Options.IndentStyle == IndentStyle.Virtual)
{
data.Caret.Location = new DocumentLocation(data.Caret.Line - 1, data.IndentationTracker.GetVirtualIndentationColumn(data.Caret.Line - 1, 1));
data.Replace(lineAbove.EndOffsetIncludingDelimiter - lineAbove.DelimiterLength, lineAbove.DelimiterLength, data.IndentationTracker.GetIndentationString(data.Caret.Line - 1, 1));
}
else
{
data.Remove(lineAbove.EndOffsetIncludingDelimiter - lineAbove.DelimiterLength, lineAbove.DelimiterLength);
}
}
else
{
removeCharBeforeCaret(data);
}
// Needs to be fixed after, the line may just contain the indentation
data.FixVirtualIndentation();
}
}
void CopyData(TextEditorData data, Selection selection)
{
copiedDocument = null;
monoDocument = null;
if (selection != null && data != null && data.Document != null)
{
copiedDocument = new TextDocument();
monoDocument = new TextDocument();
this.docStyle = data.ColorStyle;
this.options = data.Options;
this.mode = SyntaxModeService.GetSyntaxMode(monoDocument, data.MimeType);
switch (selection.SelectionMode)
{
case SelectionMode.Normal:
isBlockMode = false;
var segment = selection.GetSelectionRange(data);
var text = data.GetTextAt(segment);
copiedDocument.Text = text;
monoDocument.Text = text;
var line = data.Document.GetLineByOffset(segment.Offset);
var spanStack = line.StartSpan.Clone();
SyntaxModeService.ScanSpans(data.Document, this.mode as SyntaxMode, this.mode as SyntaxMode, spanStack, line.Offset, segment.Offset);
this.copiedDocument.GetLine(DocumentLocation.MinLine).StartSpan = spanStack;
break;
case SelectionMode.Block:
isBlockMode = true;
DocumentLocation visStart = data.LogicalToVisualLocation(selection.Anchor);
DocumentLocation visEnd = data.LogicalToVisualLocation(selection.Lead);
int startCol = System.Math.Min(visStart.Column, visEnd.Column);
int endCol = System.Math.Max(visStart.Column, visEnd.Column);
for (int lineNr = selection.MinLine; lineNr <= selection.MaxLine; lineNr++)
{
DocumentLine curLine = data.Document.GetLine(lineNr);
int col1 = curLine.GetLogicalColumn(data, startCol) - 1;
int col2 = System.Math.Min(curLine.GetLogicalColumn(data, endCol) - 1, curLine.Length);
if (col1 < col2)
{
copiedDocument.Insert(copiedDocument.TextLength, data.Document.GetTextAt(curLine.Offset + col1, col2 - col1));
monoDocument.Insert(monoDocument.TextLength, data.Document.GetTextAt(curLine.Offset + col1, col2 - col1));
}
if (lineNr < selection.MaxLine)
{
// Clipboard line end needs to be system dependend and not the document one.
copiedDocument.Insert(copiedDocument.TextLength, Environment.NewLine);
// \r in mono document stands for block selection line end.
monoDocument.Insert(monoDocument.TextLength, "\r");
}
}
line = data.Document.GetLine(selection.MinLine);
spanStack = line.StartSpan.Clone();
SyntaxModeService.ScanSpans(data.Document, this.mode as SyntaxMode, this.mode as SyntaxMode, spanStack, line.Offset, line.Offset + startCol);
this.copiedDocument.GetLine(DocumentLocation.MinLine).StartSpan = spanStack;
break;
}
}
else
{
copiedDocument = null;
}
}
static int PastePlainText (TextEditorData data, int offset, string text, bool preserveSelection = false)
{
int inserted = 0;
using (var undo = data.OpenUndoGroup ()) {
var version = data.Document.Version;
if (!preserveSelection)
data.DeleteSelectedText (!data.IsSomethingSelected || data.MainSelection.SelectionMode != SelectionMode.Block);
data.EnsureCaretIsNotVirtual ();
if (data.IsSomethingSelected && data.MainSelection.SelectionMode == SelectionMode.Block) {
var selection = data.MainSelection;
var visualInsertLocation = data.LogicalToVisualLocation (selection.Anchor);
for (int lineNumber = selection.MinLine; lineNumber <= selection.MaxLine; lineNumber++) {
var lineSegment = data.GetLine (lineNumber);
int insertOffset = lineSegment.GetLogicalColumn (data, visualInsertLocation.Column) - 1;
string textToInsert;
if (lineSegment.Length < insertOffset) {
int visualLastColumn = lineSegment.GetVisualColumn (data, lineSegment.Length + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % data.Options.TabSize;
textToInsert = new string ('\t', (charsToInsert - spaceCount) / data.Options.TabSize) + new string (' ', spaceCount) + text;
insertOffset = lineSegment.Length;
} else {
textToInsert = text;
}
inserted = data.Insert (lineSegment.Offset + insertOffset, textToInsert);
}
} else {
offset = version.MoveOffsetTo (data.Document.Version, offset);
inserted = data.PasteText (offset, text);
}
}
return inserted;
}
public static void InsertTab (TextEditorData data)
{
if (!data.CanEditSelection)
return;
if (data.IsMultiLineSelection && data.MainSelection.SelectionMode != SelectionMode.Block) {
IndentSelection (data);
return;
}
using (var undo = data.OpenUndoGroup ()) {
string indentationString = "\t";
bool convertTabToSpaces = data.TabsToSpaces;
if (!convertTabToSpaces && !data.Options.AllowTabsAfterNonTabs) {
for (int i = 1; i < data.Caret.Column; i++) {
if (data.Document.GetCharAt (data.Caret.Offset - i) != '\t') {
convertTabToSpaces = true;
break;
}
}
}
if (convertTabToSpaces) {
DocumentLocation visualLocation = data.LogicalToVisualLocation (data.Caret.Location);
int tabWidth = TextViewMargin.GetNextTabstop (data, visualLocation.Column) - visualLocation.Column;
indentationString = new string (' ', tabWidth);
}
if (data.IsSomethingSelected)
data.DeleteSelectedText (data.MainSelection.SelectionMode != SelectionMode.Block);
data.InsertAtCaret (indentationString);
}
}
void CopyData (TextEditorData data, Selection selection)
{
copiedDocument = null;
monoDocument = null;
if (selection != null && data != null && data.Document != null) {
copiedDocument = new Document ();
monoDocument = new Document ();
this.docStyle = data.ColorStyle;
this.options = data.Options;
this.mode = data.Document.SyntaxMode != null && data.Options.EnableSyntaxHighlighting ? data.Document.SyntaxMode : Mono.TextEditor.Highlighting.SyntaxMode.Default;
switch (selection.SelectionMode) {
case SelectionMode.Normal:
isBlockMode = false;
ISegment segment = selection.GetSelectionRange (data);
copiedDocument.Text = this.mode.GetTextWithoutMarkup (data.Document, data.ColorStyle, segment.Offset, segment.Length);
monoDocument.Text = this.mode.GetTextWithoutMarkup (data.Document, data.ColorStyle, segment.Offset, segment.Length);
LineSegment line = data.Document.GetLineByOffset (segment.Offset);
var spanStack = line.StartSpan.Clone ();
SyntaxModeService.ScanSpans (data.Document, this.mode, this.mode, spanStack, line.Offset, segment.Offset);
this.copiedDocument.GetLine (0).StartSpan = spanStack;
break;
case SelectionMode.Block:
isBlockMode = true;
DocumentLocation visStart = data.LogicalToVisualLocation (selection.Anchor);
DocumentLocation visEnd = data.LogicalToVisualLocation (selection.Lead);
int startCol = System.Math.Min (visStart.Column, visEnd.Column);
int endCol = System.Math.Max (visStart.Column, visEnd.Column);
for (int lineNr = selection.MinLine; lineNr <= selection.MaxLine; lineNr++) {
LineSegment curLine = data.Document.GetLine (lineNr);
int col1 = curLine.GetLogicalColumn (data, startCol);
int col2 = System.Math.Min (curLine.GetLogicalColumn (data, endCol), curLine.EditableLength);
if (col1 < col2) {
((IBuffer)copiedDocument).Insert (copiedDocument.Length, data.Document.GetTextAt (curLine.Offset + col1, col2 - col1));
((IBuffer)monoDocument).Insert (monoDocument.Length, data.Document.GetTextAt (curLine.Offset + col1, col2 - col1));
}
if (lineNr < selection.MaxLine) {
// Clipboard line end needs to be system dependend and not the document one.
((IBuffer)copiedDocument).Insert (copiedDocument.Length, Environment.NewLine);
// \r in mono document stands for block selection line end.
((IBuffer)monoDocument).Insert (monoDocument.Length, "\r");
}
}
line = data.Document.GetLine (selection.MinLine);
spanStack = line.StartSpan.Clone ();
SyntaxModeService.ScanSpans (data.Document, this.mode, this.mode, spanStack, line.Offset, line.Offset + startCol);
this.copiedDocument.GetLine (0).StartSpan = spanStack;
break;
}
} else {
copiedDocument = null;
}
}
public static void Backspace(TextEditorData data, Action <TextEditorData> removeCharBeforeCaret)
{
if (!data.CanEditSelection)
{
return;
}
DocumentLine line;
bool smartBackspace = false;
using (var undo = data.OpenUndoGroup()) {
if (data.IsSomethingSelected)
{
var visualAnchorLocation = data.LogicalToVisualLocation(data.MainSelection.Anchor);
var visualLeadLocation = data.LogicalToVisualLocation(data.MainSelection.Lead);
// case: zero width block selection
if (data.MainSelection.SelectionMode == SelectionMode.Block && visualAnchorLocation.Column == visualLeadLocation.Column)
{
var col = data.MainSelection.Lead.Column;
if (col <= DocumentLocation.MinColumn)
{
data.ClearSelection();
return;
}
bool preserve = data.Caret.PreserveSelection;
data.Caret.PreserveSelection = true;
var changes = new List <Microsoft.CodeAnalysis.Text.TextChange> ();
for (int lineNumber = data.MainSelection.MinLine; lineNumber <= data.MainSelection.MaxLine; lineNumber++)
{
var lineSegment = data.Document.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(data, visualAnchorLocation.Column - 1) - 1;
changes.Add(new Microsoft.CodeAnalysis.Text.TextChange(new Microsoft.CodeAnalysis.Text.TextSpan(lineSegment.Offset + insertOffset, 1), ""));
}
data.Document.ApplyTextChanges(changes);
var visualColumn = data.GetLine(data.Caret.Location.Line).GetVisualColumn(data, col - 1);
data.MainSelection = new MonoDevelop.Ide.Editor.Selection(
new DocumentLocation(data.MainSelection.Anchor.Line, data.GetLine(data.MainSelection.Anchor.Line).GetLogicalColumn(data, visualColumn)),
new DocumentLocation(data.MainSelection.Lead.Line, data.GetLine(data.MainSelection.Lead.Line).GetLogicalColumn(data, visualColumn)),
SelectionMode.Block
);
data.Caret.PreserveSelection = preserve;
data.Document.CommitMultipleLineUpdate(data.MainSelection.MinLine, data.MainSelection.MaxLine);
return;
}
data.DeleteSelectedText(data.MainSelection.SelectionMode != SelectionMode.Block);
return;
}
if (data.Caret.Line == DocumentLocation.MinLine && data.Caret.Column == DocumentLocation.MinColumn)
{
return;
}
// Virtual indentation needs to be fixed before to have the same behavior
// if it's there or not (otherwise user has to press multiple backspaces in some cases)
data.EnsureCaretIsNotVirtual();
line = data.Document.GetLine(data.Caret.Line);
// smart backspace (delete indentation)
if (data.HasIndentationTracker && (data.IndentationTracker.SupportedFeatures & IndentationTrackerFeatures.SmartBackspace) != 0 && (data.Options.IndentStyle == IndentStyle.Smart || data.Options.IndentStyle == IndentStyle.Virtual) && data.Options.SmartBackspace)
{
if (data.Caret.Column == data.GetVirtualIndentationColumn(data.Caret.Location))
{
bool isAllIndent = line.GetIndentation(data.Document).Length == data.Caret.Column - 1;
if (isAllIndent)
{
if (!data.Options.GenerateFormattingUndoStep)
{
SmartBackspace(data, line);
return;
}
smartBackspace = true;
}
}
}
// normal backspace.
if (data.Caret.Column > line.Length + 1)
{
data.Caret.Column = line.Length + 1;
}
else if (data.Caret.Offset == line.Offset)
{
DocumentLine lineAbove = data.Document.GetLine(data.Caret.Line - 1);
if (lineAbove.Length == 0 && data.HasIndentationTracker && data.Options.IndentStyle == IndentStyle.Virtual)
{
data.Caret.Location = new DocumentLocation(data.Caret.Line - 1, data.GetVirtualIndentationColumn(data.Caret.Line - 1, 1));
data.Replace(lineAbove.EndOffsetIncludingDelimiter - lineAbove.DelimiterLength, lineAbove.DelimiterLength, data.GetIndentationString(data.Caret.Line - 1, 1));
}
else
{
data.Remove(lineAbove.EndOffsetIncludingDelimiter - lineAbove.DelimiterLength, lineAbove.DelimiterLength);
}
}
else
{
removeCharBeforeCaret(data);
}
// Needs to be fixed after, the line may just contain the indentation
data.FixVirtualIndentation();
}
if (data.Options.GenerateFormattingUndoStep && smartBackspace)
{
using (var undo = data.OpenUndoGroup()) {
data.EnsureCaretIsNotVirtual();
SmartBackspace(data, line);
}
}
}
public static void InsertTab (TextEditorData data)
{
if (!data.CanEditSelection)
return;
if (data.IsMultiLineSelection) {
IndentSelection (data);
return;
}
data.Document.BeginAtomicUndo ();
if (data.IsSomethingSelected) {
data.DeleteSelectedText ();
}
string indentationString = "\t";
bool convertTabToSpaces = data.Options.TabsToSpaces;
if (!convertTabToSpaces && !data.Options.AllowTabsAfterNonTabs) {
for (int i = 1; i < data.Caret.Column; i++) {
if (data.Document.GetCharAt (data.Caret.Offset - i) != '\t') {
convertTabToSpaces = true;
break;
}
}
}
if (convertTabToSpaces) {
DocumentLocation visualLocation = data.LogicalToVisualLocation (data.Caret.Location);
int tabWidth = TextViewMargin.GetNextTabstop (data, visualLocation.Column) - visualLocation.Column;
indentationString = new string (' ', tabWidth);
}
int length = data.Insert (data.Caret.Offset, indentationString);
data.Caret.Column += length;
data.Document.EndAtomicUndo ();
}
static int PasteFrom (Clipboard clipboard, TextEditorData data, bool preserveSelection, int insertionOffset, bool preserveState)
{
int result = -1;
if (!data.CanEdit (data.Document.OffsetToLineNumber (insertionOffset)))
return result;
if (clipboard.WaitIsTargetAvailable (CopyOperation.MD_ATOM)) {
clipboard.RequestContents (CopyOperation.MD_ATOM, delegate(Clipboard clp, SelectionData selectionData) {
if (selectionData.Length > 0) {
byte[] selBytes = selectionData.Data;
string text = System.Text.Encoding.UTF8.GetString (selBytes, 1, selBytes.Length - 1);
bool pasteBlock = (selBytes [0] & 1) == 1;
bool pasteLine = (selBytes [0] & 2) == 2;
using (var undo = data.OpenUndoGroup ()) {
if (preserveSelection && data.IsSomethingSelected)
data.DeleteSelectedText ();
data.Caret.PreserveSelection = true;
if (pasteBlock) {
string[] lines = text.Split ('\r');
int lineNr = data.Document.OffsetToLineNumber (insertionOffset);
int col = insertionOffset - data.Document.GetLine (lineNr).Offset;
int visCol = data.Document.GetLine (lineNr).GetVisualColumn (data, col);
DocumentLine curLine;
int lineCol = col;
result = 0;
for (int i = 0; i < lines.Length; i++) {
while (data.Document.LineCount <= lineNr + i) {
data.Insert (data.Document.TextLength, Environment.NewLine);
result += Environment.NewLine.Length;
}
curLine = data.Document.GetLine (lineNr + i);
if (lines [i].Length > 0) {
lineCol = curLine.GetLogicalColumn (data, visCol);
if (curLine.Length + 1 < lineCol) {
result += lineCol - curLine.Length;
data.Insert (curLine.Offset + curLine.Length, new string (' ', lineCol - curLine.Length));
}
data.Insert (curLine.Offset + lineCol, lines [i]);
result += lines [i].Length;
}
if (!preserveState)
data.Caret.Offset = curLine.Offset + lineCol + lines [i].Length;
}
} else if (pasteLine) {
result = text.Length;
DocumentLine curLine = data.Document.GetLine (data.Caret.Line);
data.Insert (curLine.Offset, text + data.EolMarker);
} else {
int offset = data.Caret.Offset;
data.InsertAtCaret (text);
data.PasteText (offset, text, data.Caret.Offset - offset);
}
/* data.MainSelection = new Selection (data.Document.OffsetToLocation (insertionOffset),
data.Caret.Location,
lines.Length > 1 ? SelectionMode.Block : SelectionMode.Normal);*/
if (!preserveState)
data.ClearSelection ();
data.Caret.PreserveSelection = false;
}
}
});
// we got MD_ATOM text - no need to request text. (otherwise buffer may get copied twice).
return result;
}
if (result < 0 && clipboard.WaitIsTextAvailable ()) {
clipboard.RequestText (delegate(Clipboard clp, string text) {
if (string.IsNullOrEmpty (text))
return;
using (var undo = data.OpenUndoGroup ()) {
int caretPos = data.Caret.Offset;
if (data.IsSomethingSelected && data.MainSelection.SelectionMode == SelectionMode.Block) {
data.Caret.PreserveSelection = true;
data.DeleteSelectedText (false);
int textLength = 0;
int minLine = data.MainSelection.MinLine;
int maxLine = data.MainSelection.MaxLine;
var visualInsertLocation = data.LogicalToVisualLocation (data.Caret.Location);
for (int lineNumber = minLine; lineNumber <= maxLine; lineNumber++) {
DocumentLine lineSegment = data.GetLine (lineNumber);
int insertOffset = lineSegment.GetLogicalColumn (data, visualInsertLocation.Column) - 1;
if (lineSegment.Length < insertOffset) {
int visualLastColumn = lineSegment.GetVisualColumn (data, lineSegment.Length + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % data.Options.TabSize;
string textToInsert = new string ('\t', (charsToInsert - spaceCount) / data.Options.TabSize) + new string (' ', spaceCount) + text;
insertOffset = lineSegment.Length;
int insertedChars = data.Insert (lineSegment.Offset + insertOffset, textToInsert);
data.PasteText (lineSegment.Offset + insertOffset, textToInsert, insertedChars);
} else {
textLength = data.Insert (lineSegment.Offset + insertOffset, text);
data.PasteText (lineSegment.Offset + insertOffset, text, textLength);
}
}
data.MainSelection.Anchor = new DocumentLocation (System.Math.Max (DocumentLocation.MinLine, data.Caret.Line == minLine ? maxLine : minLine), System.Math.Max (DocumentLocation.MinColumn, data.Caret.Column - textLength));
data.MainSelection.Lead = new DocumentLocation (data.Caret.Line, data.Caret.Column);
data.Caret.PreserveSelection = false;
data.Document.CommitMultipleLineUpdate (data.MainSelection.MinLine, data.MainSelection.MaxLine);
} else {
TextSegment selection = data.SelectionRange;
if (preserveSelection && data.IsSomethingSelected)
data.DeleteSelectedText ();
data.Caret.PreserveSelection = true;
//int oldLine = data.Caret.Line;
int textLength = data.Insert (insertionOffset, text);
result = textLength;
if (data.IsSomethingSelected && data.SelectionRange.Offset >= insertionOffset)
data.SelectionRange = new TextSegment (data.SelectionRange.Offset + textLength, data.SelectionRange.Length);
if (data.IsSomethingSelected && data.MainSelection.GetAnchorOffset (data) >= insertionOffset)
data.MainSelection.Anchor = data.Document.OffsetToLocation (data.MainSelection.GetAnchorOffset (data) + textLength);
data.Caret.PreserveSelection = false;
if (!preserveState) {
} else {
if (!selection.IsInvalid) {
int offset = selection.Offset;
if (offset >= insertionOffset)
offset += textLength;
data.SelectionRange = new TextSegment (offset, selection.Length);
}
}
data.PasteText (insertionOffset, text, textLength);
}
}
});
}
return result;
}
public static void Backspace (TextEditorData data, Action<TextEditorData> removeCharBeforeCaret)
{
if (!data.CanEditSelection)
return;
using (var undo = data.OpenUndoGroup ()) {
if (data.IsSomethingSelected) {
var visualAnchorLocation = data.LogicalToVisualLocation (data.MainSelection.Anchor);
var visualLeadLocation = data.LogicalToVisualLocation (data.MainSelection.Lead);
// case: zero width block selection
if (data.MainSelection.SelectionMode == SelectionMode.Block && visualAnchorLocation.Column == visualLeadLocation.Column) {
var col = data.MainSelection.Lead.Column;
if (col <= DocumentLocation.MinColumn) {
data.ClearSelection ();
return;
}
bool preserve = data.Caret.PreserveSelection;
data.Caret.PreserveSelection = true;
for (int lineNumber = data.MainSelection.MinLine; lineNumber <= data.MainSelection.MaxLine; lineNumber++) {
var lineSegment = data.Document.GetLine (lineNumber);
int insertOffset = lineSegment.GetLogicalColumn (data, visualAnchorLocation.Column - 1) - 1;
data.Remove (lineSegment.Offset + insertOffset, 1);
}
var visualColumn = data.GetLine (data.Caret.Location.Line).GetVisualColumn (data, col - 1);
data.MainSelection = new Selection (
new DocumentLocation (data.MainSelection.Anchor.Line, data.GetLine (data.MainSelection.Anchor.Line).GetLogicalColumn (data, visualColumn)),
new DocumentLocation (data.MainSelection.Lead.Line, data.GetLine (data.MainSelection.Lead.Line).GetLogicalColumn (data, visualColumn)),
SelectionMode.Block
);
data.Caret.PreserveSelection = preserve;
data.Document.CommitMultipleLineUpdate (data.MainSelection.MinLine, data.MainSelection.MaxLine);
return;
}
data.DeleteSelectedText (data.MainSelection.SelectionMode != SelectionMode.Block);
return;
}
if (data.Caret.Line == DocumentLocation.MinLine && data.Caret.Column == DocumentLocation.MinColumn)
return;
// Virtual indentation needs to be fixed before to have the same behavior
// if it's there or not (otherwise user has to press multiple backspaces in some cases)
data.EnsureCaretIsNotVirtual ();
DocumentLine line = data.Document.GetLine (data.Caret.Line);
if (data.Caret.Column > line.Length + 1) {
data.Caret.Column = line.Length + 1;
} else if (data.Caret.Offset == line.Offset) {
DocumentLine lineAbove = data.Document.GetLine (data.Caret.Line - 1);
if (lineAbove.Length == 0 && data.HasIndentationTracker && data.Options.IndentStyle == IndentStyle.Virtual) {
data.Caret.Location = new DocumentLocation (data.Caret.Line - 1, data.IndentationTracker.GetVirtualIndentationColumn (data.Caret.Line - 1, 1));
data.Replace (lineAbove.EndOffsetIncludingDelimiter - lineAbove.DelimiterLength, lineAbove.DelimiterLength, data.IndentationTracker.GetIndentationString (data.Caret.Line - 1, 1));
} else {
data.Remove (lineAbove.EndOffsetIncludingDelimiter - lineAbove.DelimiterLength, lineAbove.DelimiterLength);
}
} else {
removeCharBeforeCaret (data);
}
// Needs to be fixed after, the line may just contain the indentation
data.FixVirtualIndentation ();
}
}
static int PasteFrom(Clipboard clipboard, TextEditorData data, bool preserveSelection, int insertionOffset, bool preserveState)
{
int result = -1;
if (!data.CanEdit(data.Document.OffsetToLineNumber(insertionOffset)))
{
return(result);
}
if (clipboard.WaitIsTargetAvailable(CopyOperation.MD_ATOM))
{
clipboard.RequestContents(CopyOperation.MD_ATOM, delegate(Clipboard clp, SelectionData selectionData) {
if (selectionData.Length > 0)
{
byte[] selBytes = selectionData.Data;
string text = System.Text.Encoding.UTF8.GetString(selBytes, 1, selBytes.Length - 1);
bool pasteBlock = (selBytes [0] & 1) == 1;
bool pasteLine = (selBytes [0] & 2) == 2;
if (!pasteBlock && !pasteLine)
{
return;
}
data.Document.BeginAtomicUndo();
if (preserveSelection && data.IsSomethingSelected)
{
data.DeleteSelectedText();
}
data.Caret.PreserveSelection = true;
if (pasteBlock)
{
string[] lines = text.Split('\r');
int lineNr = data.Document.OffsetToLineNumber(insertionOffset);
int col = insertionOffset - data.Document.GetLine(lineNr).Offset;
int visCol = data.Document.GetLine(lineNr).GetVisualColumn(data, col);
LineSegment curLine;
int lineCol = col;
result = 0;
for (int i = 0; i < lines.Length; i++)
{
while (data.Document.LineCount <= lineNr + i)
{
data.Insert(data.Document.Length, Environment.NewLine);
result += Environment.NewLine.Length;
}
curLine = data.Document.GetLine(lineNr + i);
if (lines [i].Length > 0)
{
lineCol = curLine.GetLogicalColumn(data, visCol);
if (curLine.EditableLength + 1 < lineCol)
{
result += lineCol - curLine.EditableLength;
data.Insert(curLine.Offset + curLine.EditableLength, new string (' ', lineCol - curLine.EditableLength));
}
data.Insert(curLine.Offset + lineCol, lines [i]);
result += lines [i].Length;
}
if (!preserveState)
{
data.Caret.Offset = curLine.Offset + lineCol + lines [i].Length;
}
}
}
else if (pasteLine)
{
result = text.Length;
LineSegment curLine = data.Document.GetLine(data.Caret.Line);
data.Insert(curLine.Offset, text + data.EolMarker);
if (!preserveState)
{
data.Caret.Offset += text.Length + data.EolMarker.Length;
}
}
/* data.MainSelection = new Selection (data.Document.OffsetToLocation (insertionOffset),
* data.Caret.Location,
* lines.Length > 1 ? SelectionMode.Block : SelectionMode.Normal);*/
if (!preserveState)
{
data.ClearSelection();
}
data.Caret.PreserveSelection = false;
data.Document.EndAtomicUndo();
}
});
}
if (result < 0 && clipboard.WaitIsTextAvailable())
{
clipboard.RequestText(delegate(Clipboard clp, string text) {
if (string.IsNullOrEmpty(text))
{
return;
}
data.Document.BeginAtomicUndo();
int caretPos = data.Caret.Offset;
if (data.IsSomethingSelected && data.MainSelection.SelectionMode == SelectionMode.Block)
{
data.Caret.PreserveSelection = true;
data.DeleteSelectedText(false);
int textLength = 0;
int minLine = data.MainSelection.MinLine;
int maxLine = data.MainSelection.MaxLine;
var visualInsertLocation = data.LogicalToVisualLocation(data.Caret.Location);
for (int lineNumber = minLine; lineNumber <= maxLine; lineNumber++)
{
LineSegment lineSegment = data.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(data, visualInsertLocation.Column) - 1;
if (lineSegment.EditableLength < insertOffset)
{
int visualLastColumn = lineSegment.GetVisualColumn(data, lineSegment.EditableLength + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % data.Options.TabSize;
string textToInsert = new string ('\t', (charsToInsert - spaceCount) / data.Options.TabSize) + new string (' ', spaceCount) + text;
insertOffset = lineSegment.EditableLength;
data.Insert(lineSegment.Offset + insertOffset, textToInsert);
data.PasteText(lineSegment.Offset + insertOffset, textToInsert);
}
else
{
textLength = data.Insert(lineSegment.Offset + insertOffset, text);
data.PasteText(lineSegment.Offset + insertOffset, text);
}
}
data.Caret.Offset += textLength;
data.MainSelection.Anchor = new DocumentLocation(System.Math.Max(DocumentLocation.MinLine, data.Caret.Line == minLine ? maxLine : minLine), System.Math.Max(DocumentLocation.MinColumn, data.Caret.Column - textLength));
data.MainSelection.Lead = new DocumentLocation(data.Caret.Line, data.Caret.Column);
data.Caret.PreserveSelection = false;
data.Document.CommitMultipleLineUpdate(data.MainSelection.MinLine, data.MainSelection.MaxLine);
}
else
{
ISegment selection = data.SelectionRange;
if (preserveSelection && data.IsSomethingSelected)
{
data.DeleteSelectedText();
}
data.Caret.PreserveSelection = true;
//int oldLine = data.Caret.Line;
int textLength = data.Insert(insertionOffset, text);
result = textLength;
if (data.IsSomethingSelected && data.SelectionRange.Offset >= insertionOffset)
{
data.SelectionRange.Offset += textLength;
}
if (data.IsSomethingSelected && data.MainSelection.GetAnchorOffset(data) >= insertionOffset)
{
data.MainSelection.Anchor = data.Document.OffsetToLocation(data.MainSelection.GetAnchorOffset(data) + textLength);
}
data.Caret.PreserveSelection = false;
if (!preserveState)
{
data.Caret.Offset += textLength;
}
else
{
if (caretPos >= insertionOffset)
{
data.Caret.Offset += textLength;
}
if (selection != null)
{
int offset = selection.Offset;
if (offset >= insertionOffset)
{
offset += textLength;
}
data.SelectionRange = new Segment(offset, selection.Length);
}
}
data.PasteText(insertionOffset, text);
}
data.Document.EndAtomicUndo();
});
}
return(result);
}
protected void InsertCharacter(uint unicodeKey)
{
if (!textEditorData.CanEdit(Data.Caret.Line))
{
return;
}
HideMouseCursor();
using (var undo = Document.OpenUndoGroup()) {
if (textEditorData.IsSomethingSelected && textEditorData.Options.EnableSelectionWrappingKeys && IsSpecialKeyForSelection(unicodeKey))
{
textEditorData.SelectionSurroundingProvider.HandleSpecialSelectionKey(textEditorData, unicodeKey);
return;
}
textEditorData.DeleteSelectedText(
textEditorData.IsSomethingSelected ? textEditorData.MainSelection.SelectionMode != SelectionMode.Block : true);
// Needs to be called after delete text, delete text handles virtual caret postitions itself,
// but afterwards the virtual position may need to be restored.
textEditorData.EnsureCaretIsNotVirtual();
char ch = (char)unicodeKey;
if (!char.IsControl(ch) && textEditorData.CanEdit(Caret.Line))
{
DocumentLine line = Document.GetLine(Caret.Line);
if (Caret.IsInInsertMode || Caret.Column >= line.Length + 1)
{
string text = ch.ToString();
if (textEditorData.IsSomethingSelected && textEditorData.MainSelection.SelectionMode == SelectionMode.Block)
{
var visualInsertLocation = textEditorData.LogicalToVisualLocation(Caret.Location);
var selection = textEditorData.MainSelection;
Caret.PreserveSelection = true;
for (int lineNumber = selection.MinLine; lineNumber <= selection.MaxLine; lineNumber++)
{
DocumentLine lineSegment = textEditorData.GetLine(lineNumber);
int insertOffset = lineSegment.GetLogicalColumn(textEditorData, visualInsertLocation.Column) - 1;
string textToInsert;
if (lineSegment.Length < insertOffset)
{
int visualLastColumn = lineSegment.GetVisualColumn(textEditorData, lineSegment.Length + 1);
int charsToInsert = visualInsertLocation.Column - visualLastColumn;
int spaceCount = charsToInsert % editor.Options.TabSize;
textToInsert = new string ('\t', (charsToInsert - spaceCount) / editor.Options.TabSize) +
new string (' ', spaceCount) + text;
insertOffset = lineSegment.Length;
}
else
{
textToInsert = text;
}
textEditorData.Insert(lineSegment.Offset + insertOffset, textToInsert);
}
var visualColumn = textEditorData.GetLine(Caret.Location.Line).GetVisualColumn(textEditorData, Caret.Column);
textEditorData.MainSelection = new Selection(
new DocumentLocation(selection.Anchor.Line, textEditorData.GetLine(selection.Anchor.Line).GetLogicalColumn(textEditorData, visualColumn)),
new DocumentLocation(selection.Lead.Line, textEditorData.GetLine(selection.Lead.Line).GetLogicalColumn(textEditorData, visualColumn)),
SelectionMode.Block
);
Document.CommitMultipleLineUpdate(textEditorData.MainSelection.MinLine, textEditorData.MainSelection.MaxLine);
}
else
{
textEditorData.Insert(Caret.Offset, text);
}
}
else
{
textEditorData.Replace(Caret.Offset, 1, ch.ToString());
}
// That causes unnecessary redraws:
// bool autoScroll = Caret.AutoScrollToCaret;
// Caret.Column++;
if (Caret.PreserveSelection)
{
Caret.PreserveSelection = false;
}
// Caret.AutoScrollToCaret = autoScroll;
// if (autoScroll)
// Editor.ScrollToCaret ();
// Document.RequestUpdate (new LineUpdate (Caret.Line));
// Document.CommitDocumentUpdate ();
}
}
Document.OptimizeTypedUndo();
}
void CopyData (TextEditorData data, Selection selection)
{
copiedDocument = null;
monoDocument = null;
if (selection != null && data != null && data.Document != null) {
copiedDocument = new TextDocument ();
monoDocument = new TextDocument ();
this.docStyle = data.ColorStyle;
this.options = data.Options;
this.mode = SyntaxModeService.GetSyntaxMode (monoDocument, data.MimeType);
switch (selection.SelectionMode) {
case SelectionMode.Normal:
isBlockMode = false;
var segment = selection.GetSelectionRange (data);
var text = data.GetTextAt (segment);
copiedDocument.Text = text;
monoDocument.Text = text;
var line = data.Document.GetLineByOffset (segment.Offset);
var spanStack = line.StartSpan.Clone ();
SyntaxModeService.ScanSpans (data.Document, this.mode as SyntaxMode, this.mode as SyntaxMode, spanStack, line.Offset, segment.Offset);
this.copiedDocument.GetLine (DocumentLocation.MinLine).StartSpan = spanStack;
break;
case SelectionMode.Block:
isBlockMode = true;
DocumentLocation visStart = data.LogicalToVisualLocation (selection.Anchor);
DocumentLocation visEnd = data.LogicalToVisualLocation (selection.Lead);
int startCol = System.Math.Min (visStart.Column, visEnd.Column);
int endCol = System.Math.Max (visStart.Column, visEnd.Column);
for (int lineNr = selection.MinLine; lineNr <= selection.MaxLine; lineNr++) {
DocumentLine curLine = data.Document.GetLine (lineNr);
int col1 = curLine.GetLogicalColumn (data, startCol) - 1;
int col2 = System.Math.Min (curLine.GetLogicalColumn (data, endCol) - 1, curLine.Length);
if (col1 < col2) {
copiedDocument.Insert (copiedDocument.TextLength, data.Document.GetTextAt (curLine.Offset + col1, col2 - col1));
monoDocument.Insert (monoDocument.TextLength, data.Document.GetTextAt (curLine.Offset + col1, col2 - col1));
}
if (lineNr < selection.MaxLine) {
// Clipboard line end needs to be system dependend and not the document one.
copiedDocument.Insert (copiedDocument.TextLength, Environment.NewLine);
// \r in mono document stands for block selection line end.
monoDocument.Insert (monoDocument.TextLength, "\r");
}
}
line = data.Document.GetLine (selection.MinLine);
spanStack = line.StartSpan.Clone ();
SyntaxModeService.ScanSpans (data.Document, this.mode as SyntaxMode, this.mode as SyntaxMode, spanStack, line.Offset, line.Offset + startCol);
this.copiedDocument.GetLine (DocumentLocation.MinLine).StartSpan = spanStack;
break;
}
} else {
copiedDocument = null;
}
}
void CopyData (TextEditorData data, Selection selection)
{
if (!selection.IsEmpty && data != null && data.Document != null) {
this.docStyle = data.ColorStyle;
this.options = data.Options;
copyData = null;
switch (selection.SelectionMode) {
case SelectionMode.Normal:
isBlockMode = false;
var segment = selection.GetSelectionRange (data);
copiedColoredChunks = ColoredSegment.GetChunks (data, segment);
var pasteHandler = data.TextPasteHandler;
if (pasteHandler != null)
copyData = pasteHandler.GetCopyData (segment);
break;
case SelectionMode.Block:
isBlockMode = true;
DocumentLocation visStart = data.LogicalToVisualLocation (selection.Anchor);
DocumentLocation visEnd = data.LogicalToVisualLocation (selection.Lead);
int startCol = System.Math.Min (visStart.Column, visEnd.Column);
int endCol = System.Math.Max (visStart.Column, visEnd.Column);
copiedColoredChunks = new List<List<ColoredSegment>> ();
for (int lineNr = selection.MinLine; lineNr <= selection.MaxLine; lineNr++) {
DocumentLine curLine = data.Document.GetLine (lineNr);
int col1 = curLine.GetLogicalColumn (data, startCol) - 1;
int col2 = System.Math.Min (curLine.GetLogicalColumn (data, endCol) - 1, curLine.Length);
if (col1 < col2) {
copiedColoredChunks.Add (ColoredSegment.GetChunks (data, new TextSegment (curLine.Offset + col1, col2 - col1)).First ());
} else {
copiedColoredChunks.Add (new List<ColoredSegment> ());
}
}
break;
}
} else {
copiedColoredChunks = null;
}
}