/// <summary>
///
/// </summary>
private void BackSpaceChar()
{
LineString lineString = null;
string lineText = string.Empty;
var lnpID = this.PParser.GetLineString.GetLnpAndId();
if (this.PParser.PCursor.CousorPointForWord.X < 0)
{
if (this.PParser.PCursor.CousorPointForWord.Y == 0)
{
this.PIsAddUndo = false;
return;
}
this.pEBackSpaceType = EBackSpaceType.Enter;
this.SetOperationAction();
string leavings = this.PParser.GetLineString.Text;
var nowLine = this.PParser.GetLineString;
this.PParser.PLineString.RemoveAt(this.PParser.PCursor.CousorPointForWord.Y);
this.PParser.PCursor.CousorPointForWord.Y--;
this.PParser.PCursor.CousorPointForEdit.Y -= FontContainer.FontHeight;
if (this.PParser.PCursor.CousorPointForWord.Y < 0)
{
this.PParser.PCursor.CousorPointForWord.Y = 0;
return;
}
lineString = this.PParser.GetLineString;
this.MergeLineString(lineString, nowLine);
this.ChangeIncrementLine(-1);
}
else
{
pEBackSpaceType = EBackSpaceType.Char;
this.SetOperationAction();
lineString = this.PParser.GetLineString;
this.pChar = lineString.Text[this.PParser.PCursor.CousorPointForWord.X];
lineText = this.GetLineStringEffectualText(lineString).Remove(this.PParser.PCursor.CousorPointForWord.X, 1);
int with = CharCommand.GetCharWidth(this.PParser.PIEdit.GetGraphics, this.pChar.ToString(), FontContainer.DefaultFont);
this.PParser.PCursor.XForLeft -= with;
this.PParser.PCursor.CousorPointForEdit.X -= with;
this.PParser.PCursor.CousorPointForWord.X -= 1;
this.SetResetLineString(lineString, lineText);
this.RemovePuckerLeavingOnly(lnpID, lineString);
this.EndInsertChar();
}
this.SetSurosrPoint();
this.PParser.PCursor.SetPosition();
}
public void BackSpace()
{
if (this.PParser.GetSelectPartPoint == null)
{
BackSpaceChar();
}
else
{
this.pEBackSpaceType = EBackSpaceType.Select;
this.SetOperationAction();
var selectBgs = this.GetSelectBg();
string backSpaceStr = this.DeleteSelectPart(out this.PDeleteLineCount, false);
this.SetDrawBgClearSelectAndPucker(selectBgs);
(this.PActionOperation as PasteAction).PPasteText = backSpaceStr;
this.SetSurosrPoint();
this.ChangeIncrementLine(this.GetDeleteLineCount * -1);
}
}
