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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace grapher
{
public class FieldXY
{
public const int DefaultSeparation = 4;
public const string ShortenedFormatString = "0.###";
public FieldXY(TextBox xBox, TextBox yBox, CheckBox lockCheckBox, Form containingForm, double defaultData)
{
XField = new Field(xBox, containingForm, defaultData);
YField = new Field(yBox, containingForm, defaultData);
YField.FormatString = ShortenedFormatString;
LockCheckBox = lockCheckBox;
LockCheckBox.CheckedChanged += new System.EventHandler(CheckChanged);
XField.Box.Width = (YField.Box.Left + YField.Box.Width - XField.Box.Left - DefaultSeparation) / 2;
YField.Box.Width = XField.Box.Width;
DefaultWidthX = XField.Box.Width;
DefaultWidthY = YField.Box.Width;
YField.Box.Left = XField.Box.Left + XField.Box.Width + DefaultSeparation;
CombinedWidth = DefaultWidthX + DefaultWidthY + YField.Box.Left - (XField.Box.Left + DefaultWidthX);
SetCombined();
}
public double X
{
get => XField.Data;
}
public double Y
{
get
{
if (Combined)
{
return X;
}
else
{
return YField.Data;
}
}
}
public CheckBox LockCheckBox { get; }
public Field XField { get; }
public Field YField { get; }
private bool Combined { get; set; }
private int DefaultWidthX { get; }
private int DefaultWidthY { get; }
private int CombinedWidth { get; }
private void CheckChanged(object sender, EventArgs e)
{
if (LockCheckBox.CheckState == CheckState.Checked)
{
SetCombined();
}
else
{
SetSeparate();
}
}
public void SetCombined()
{
Combined = true;
YField.SetToUnavailable();
YField.Box.Hide();
XField.Box.Width = CombinedWidth;
XField.FormatString = Field.DefaultFormatString;
}
public void SetSeparate()
{
Combined = false;
XField.Box.Width = DefaultWidthX;
YField.Box.Width = DefaultWidthY;
XField.FormatString = ShortenedFormatString;
if (XField.State == Field.FieldState.Default)
{
YField.SetToDefault();
}
else
{
YField.SetToEntered(XField.Data);
}
if (XField.Box.Visible)
{
YField.Box.Show();
}
}
public void Show()
{
XField.Box.Show();
if (!Combined)
{
YField.Box.Show();
}
}
public void Hide()
{
XField.Box.Hide();
YField.Box.Hide();
}
}
}
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