private void removeSubstrBtn_Click(object sender, EventArgs e)
{
try
{
outputField.Text = TextCalculator.RemoveSubstr(
userInput1.Text,
userInput2.Text == "" ? userInput3.Text : userInput2.Text
);
}
catch (Exception)
{
outputField.Text = "Invalid input";
}
}
private void charByIndexBtn_Click(object sender, EventArgs e)
{
try
{
outputField.Text = TextCalculator.GetCharByIndex(
userInput1.Text,
Convert.ToInt32(userInput2.Text)
)
.ToString();
}
catch (Exception)
{
outputField.Text = "Invalid input";
}
}
private void doubleVowelsBtn_Click(object sender, EventArgs e)
{
try
{
outputField.Text = userInput1.Text != "" ?
TextCalculator.GetDoubledVowels(userInput1.Text) :
userInput2.Text != "" ?
TextCalculator.GetDoubledVowels(userInput2.Text) :
userInput3.Text != "" ?
TextCalculator.GetDoubledVowels(userInput3.Text) :
throw new Exception();
}
catch (Exception)
{
outputField.Text = "Enter text first";
}
}
private void stringLengthBtn_Click(object sender, EventArgs e)
{
try
{
outputField.Text = userInput1.Text != "" ?
TextCalculator.GetStringLength(userInput1.Text).ToString() :
userInput2.Text != "" ?
TextCalculator.GetStringLength(userInput2.Text).ToString() :
userInput3.Text != "" ?
TextCalculator.GetStringLength(userInput3.Text).ToString() :
throw new Exception();
}
catch (Exception)
{
outputField.Text = "Enter text first";
}
}
private void SubstrToSubstrBtn_Click(object sender, EventArgs e)
{
try
{
if (
userInput1.Text == "" ||
userInput2.Text == "" ||
userInput3.Text == ""
)
{
throw new Exception();
}
outputField.Text = TextCalculator.SubstrReplace(
userInput1.Text,
userInput2.Text,
userInput3.Text
);
}
catch (Exception)
{
outputField.Text = "Invalid input";
}
}
private void concatBtn_Click(object sender, EventArgs e)
{
try
{
if (
userInput1.Text == "" &&
userInput2.Text == "" &&
userInput3.Text == ""
)
{
throw new Exception();
}
outputField.Text =
TextCalculator.ConcatStrings(
TextCalculator.ConcatStrings(userInput1.Text, userInput2.Text),
userInput3.Text
);
}
catch (Exception)
{
outputField.Text = "Enter text first";
}
}
