public bool Insert(int position, string text)
{
var initialSnapshot = (StringTextSnapshot)_textBuffer.CurrentSnapshot;
var newText = initialSnapshot.Content.Insert(position, text);
var changedSnapshot = new StringTextSnapshot(newText);
var edit = new TestEdit(position, 0, initialSnapshot, text.Length, changedSnapshot, text);
_edits.Add(edit);
return(true);
}
public bool Insert(int position, string text)
{
var initialSnapshot = _editSnapshot;
var newText = initialSnapshot.Content.Insert(position, text);
var initialVersionNumber = initialSnapshot.Version.VersionNumber;
var changedSnapshot = new StringTextSnapshot(newText, initialVersionNumber + 1);
var edit = new TestEdit(position, 0, initialSnapshot, changedSnapshot, text);
_edits.Add(edit);
_editSnapshot = changedSnapshot;
return(true);
}
public bool Replace(int startPosition, int charsToReplace, string replaceWith)
{
var initialSnapshot = _editSnapshot;
var preText = initialSnapshot.Content.Substring(0, startPosition);
var postText = initialSnapshot.Content.Substring(startPosition + charsToReplace);
var newText = preText + replaceWith + postText;
var changedSnapshot = new StringTextSnapshot(newText);
var edit = new TestEdit(startPosition, charsToReplace, initialSnapshot, changedSnapshot, replaceWith);
_edits.Add(edit);
_editSnapshot = changedSnapshot;
return(true);
}
public TestTextChange(TestEdit edit) : this(edit.Change)
{
}
public void ApplyEdit(TestEdit edit)
{
ApplyEdits(edit);
}