/// <summary>
/// Chuyển số thập phân sang hỗn số và phân số khi người dùng nhập dữ liệu.
/// </summary>
private void TextChangeFrac_TextChanged(object sender, EventArgs e)
{
try
{
if (textChangeFrac.Text.Length > 0)
{
if (!textChangeFrac.Text[textChangeFrac.Text.Length - 1].Equals('.'))
{
decimal num = decimal.Parse(textChangeFrac.Text);
cal.Reset();
int whole = cal.ChangeFraction(num);
MixedFraction mixed = new MixedFraction(cal.Result.Numerator, cal.Result.Denominator, whole == 0 ? 0 : whole);
wholeChangeFrac1.Text = mixed.Whole.ToString();
numChangeFrac1.Text = mixed.Numerator.ToString();
demoChangeFrac1.Text = mixed.Denominator.ToString();
mixed.Minimalism();
numChangeFrac2.Text = mixed.Numerator.ToString();
demoChangeFrac2.Text = mixed.Denominator.ToString();
}
}
else
{
cal.Reset();
wholeChangeFrac1.ResetText();
numChangeFrac1.ResetText();
demoChangeFrac1.ResetText();
numChangeFrac2.ResetText();
demoChangeFrac2.ResetText();
}
}
catch (Exception err)
{
//MessageBox.Show(err.Message);
wholeChangeFrac1.ResetText();
numChangeFrac1.ResetText();
demoChangeFrac1.ResetText();
numChangeFrac2.ResetText();
demoChangeFrac2.ResetText();
}
}
/// <summary>
/// Tối giản phân số.
/// </summary>
private void TextMinimalism_TextChanged(object sender, EventArgs e)
{
try
{
if (!numMini.Text.Equals("") && !demoMini.Text.Equals("") && !wholeMini.Text.Equals(""))
{
MixedFraction mixed = cal.ToMixedFraction(new Calculator(), Convert.ToDecimal(numMini.Text),
Convert.ToDecimal(demoMini.Text), Convert.ToDecimal(wholeMini.Text));
mixed.Minimalism();
numRsMini.Text = mixed.Numerator.ToString();
demoRsMini.Text = mixed.Denominator.ToString();
}
else
{
if (!numMini.Text.Equals("") && !demoMini.Text.Equals(""))
{
Fraction fraction = cal.ToFraction(new Calculator(), Convert.ToDecimal(numMini.Text), Convert.ToDecimal(demoMini.Text));
fraction.Minimalism();
numRsMini.Text = fraction.Numerator.ToString();
demoRsMini.Text = fraction.Denominator.ToString();
}
else
{
numRsMini.ResetText();
demoRsMini.ResetText();
}
}
}
catch (Exception err)
{
//MessageBox.Show(err.Message, "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error);
numRsMini.ResetText();
demoRsMini.ResetText();
}
}
/// <summary>
/// So sánh các phân số với nhau cho kết quả.
/// </summary>
private void TextCompare_TextChanged(object sender, EventArgs e)
{
try
{
if (!numCompare1.Text.Equals("") && !demoCompare1.Text.Equals("") && !wholeCompare1.Text.Equals("") &&
!numCompare2.Text.Equals("") && !demoCompare2.Text.Equals("") && !wholeCompare2.Text.Equals(""))
{
//Dùng class calculator để xử lí
MixedFraction mix1 = cal.ToMixedFraction(new Calculator(), Convert.ToDecimal(numCompare1.Text),
Convert.ToDecimal(demoCompare1.Text), Convert.ToDecimal(wholeCompare1.Text));
MixedFraction mix2 = cal.ToMixedFraction(new Calculator(), Convert.ToDecimal(numCompare2.Text),
Convert.ToDecimal(demoCompare2.Text), Convert.ToDecimal(wholeCompare2.Text));
mix1.Minimalism();
mix2.Minimalism();
cal.Num1 = mix1;
cal.Num2 = mix2;
int result = cal.Compare();
switch (result)
{
case 0:
lbCompare.Text = "=";
break;
case 1:
lbCompare.Text = ">";
break;
case -1:
lbCompare.Text = "<";
break;
default:
lbCompare.Text = "?";
break;
}
}
else
{
if (!numCompare1.Text.Equals("") && !demoCompare1.Text.Equals("") &&
!numCompare2.Text.Equals("") && !demoCompare2.Text.Equals(""))
{
//Dùng class calculator để xử lí
cal.Num1 = cal.ToFraction(new Calculator(), decimal.Parse(numCompare1.Text), decimal.Parse(demoCompare1.Text));
cal.Num2 = cal.ToFraction(new Calculator(), decimal.Parse(numCompare2.Text), decimal.Parse(demoCompare2.Text));
int result = cal.Compare();
switch (result)
{
case 0:
lbCompare.Text = "=";
break;
case 1:
lbCompare.Text = ">";
break;
case -1:
lbCompare.Text = "<";
break;
default:
lbCompare.Text = "?";
break;
}
}
else
{
lbCompare.Text = "?";
}
}
}
catch (Exception err)
{
//MessageBox.Show(err.Message, "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error);
resultChangeNum.ResetText();
}
}
public void Coppy(MixedFraction m)
{
base.Coppy(m);
Whole = m.Whole;
}
