public int GetLogicalColumn(TextEditorData editor, int visualColumn)
{
int curVisualColumn = 1;
int offset = Offset;
int max = offset + Length;
var textLength = editor.Document.TextLength;
int tabSize = editor.Options != null ? editor.Options.TabSize : 4;
for (int i = offset; i < max; i++)
{
if (i < textLength && editor.Document.GetCharAt(i) == '\t')
{
curVisualColumn = TextViewMargin.GetNextTabstop(editor, curVisualColumn, tabSize);
}
else
{
curVisualColumn++;
}
if (curVisualColumn > visualColumn)
{
return(i - offset + 1);
}
}
return(Length + (visualColumn - curVisualColumn) + 1);
}
public int GetVisualColumn(TextEditorData editor, int logicalColumn)
{
int result = 1;
int offset = Offset;
if (editor.Options.IndentStyle == IndentStyle.Virtual && Length == 0 && logicalColumn > DocumentLocation.MinColumn)
{
foreach (char ch in editor.GetIndentationString(Offset))
{
if (ch == '\t')
{
result += editor.Options.TabSize;
continue;
}
result++;
}
return(result);
}
for (int i = 0; i < logicalColumn - 1; i++)
{
if (i < Length && editor.Document.GetCharAt(offset + i) == '\t')
{
result = TextViewMargin.GetNextTabstop(editor, result);
}
else
{
result++;
}
}
return(result);
}
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);
}
}
public int Replace(int offset, int count, string value)
{
StringBuilder sb = new StringBuilder();
if (value != null)
{
bool convertTabs = Options.TabsToSpaces;
DocumentLocation loc = Document.OffsetToLocation(offset);
for (int i = 0; i < value.Length; i++)
{
char ch = value[i];
switch (ch)
{
case '\u00A0': // convert non breaking spaces to standard spaces.
sb.Append(' ');
break;
case '\t':
if (convertTabs)
{
int tabWidth = TextViewMargin.GetNextTabstop(this, loc.Column) - loc.Column;
sb.Append(new string (' ', tabWidth));
loc.Column += tabWidth;
}
else
{
goto default;
}
break;
case '\r':
if (i + 1 < value.Length && value[i + 1] == '\n')
{
i++;
}
goto case '\n';
case '\n':
sb.Append(EolMarker);
loc.Line++;
loc.Column = 0;
break;
default:
sb.Append(ch);
loc.Column++;
break;
}
}
}
((IBuffer)document).Replace(offset, count, sb.ToString());
return(sb.Length);
}
public string FormatString(DocumentLocation loc, string str)
{
if (string.IsNullOrEmpty(str))
{
return("");
}
StringBuilder sb = new StringBuilder();
bool convertTabs = Options.TabsToSpaces;
for (int i = 0; i < str.Length; i++)
{
char ch = str [i];
switch (ch)
{
case '\u00A0': // convert non breaking spaces to standard spaces.
sb.Append(' ');
break;
case '\t':
if (convertTabs)
{
int tabWidth = TextViewMargin.GetNextTabstop(this, loc.Column) - loc.Column;
sb.Append(new string (' ', tabWidth));
loc.Column += tabWidth;
}
else
{
goto default;
}
break;
case '\r':
if (i + 1 < str.Length && str [i + 1] == '\n')
{
i++;
}
goto case '\n';
case '\n':
sb.Append(EolMarker);
loc.Line++;
loc.Column = 0;
break;
default:
sb.Append(ch);
loc.Column++;
break;
}
}
return(sb.ToString());
}
public int GetVisualColumn(TextEditorData editor, int logicalColumn)
{
int result = 0;
for (int i = 0; i < logicalColumn; i++)
{
if (i < EditableLength && editor.Document.GetCharAt(Offset + i) == '\t')
{
result = TextViewMargin.GetNextTabstop(editor, result);
}
else
{
result++;
}
}
return(result);
}
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.Document.LogicalToVisualLocation(data, 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();
}
public int GetLogicalColumn(TextEditorData editor, int visualColumn)
{
int curVisualColumn = 0;
for (int i = 0; i < EditableLength; i++)
{
int curOffset = Offset + i;
if (curOffset < editor.Document.Length && editor.Document.GetCharAt(curOffset) == '\t')
{
curVisualColumn = TextViewMargin.GetNextTabstop(editor, curVisualColumn);
}
else
{
curVisualColumn++;
}
if (curVisualColumn > visualColumn)
{
return(i);
}
}
return(EditableLength + (visualColumn - curVisualColumn));
}
public int GetLogicalColumn(TextEditorData editor, int visualColumn)
{
int curVisualColumn = 1;
int offset = Offset;
int max = offset + EditableLength;
for (int i = offset; i < max; i++)
{
if (i < editor.Document.Length && editor.Document.GetCharAt(i) == '\t')
{
curVisualColumn = TextViewMargin.GetNextTabstop(editor, curVisualColumn);
}
else
{
curVisualColumn++;
}
if (curVisualColumn > visualColumn)
{
return(i - offset + 1);
}
}
return(EditableLength + (visualColumn - curVisualColumn) + 1);
}
