using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;

namespace ST.Library.UI.STTextBox
{
 public class SingleTextView : NoWrapTextView
 {
 public SingleTextView() {
 base.ShowLineNumber = false;
 }

 public override void OnTextStartChange(ISTTextBoxRender render, TextManagerTextEventArgs e) {
 base.OnTextStartChange(render, e);
 for (int i = 0; i < e.TextHistoryRecord.Count; i++) {
 var r = e.TextHistoryRecord[i];
 r.NewText = r.NewText.Replace("\r", "").Replace("\n", "");
 e.TextHistoryRecord[i] = r;
 }
 }

 public override void OnCalcTextRectangle() {
 base.OnCalcTextRectangle();
 Rectangle rect_text = base.TextRectangle;
 Rectangle rect_head = base.HeadRectangle;
 rect_text.Height = base.Core.LineHeight + base.Core.TextBox.LineSpacing;
 rect_text.Y = (base.Core.TextBox.Height - rect_text.Height) / 2;
 rect_head.Height = rect_text.Height;
 rect_head.Y = rect_text.Y;
 base.TextRectangle = rect_text;
 base.HeadRectangle = rect_head;
 }

 public override void OnCalcScroll(STTextBoxScrollInfo scrollInfo) {
 base.OnCalcScroll(scrollInfo);
 var c = base.Core;
 c.Scroll.MaxYValue = c.TextManager.LineCount - base.TextRectangle.Height / c.LineHeight;
 if (c.Scroll.MaxYValue < 0) {
 c.Scroll.MaxYValue = 0;
 }
 }
 }
}