private void btnAdd_Click(object sender, EventArgs e)
{
// Open a new form where FOCA will receive the pattern's position and all possible values
var pav = new FormAddVariable.ParametersAddVariable {
text = rtbPattern.Text
};
var intPatron = FindFirstFreePattern();
pav.StrPattern = string.Format("{{{0}}}", intPatron);
// Pattern's color changes
Form frm = new FormAddVariable(this, pav, DefaultColors[intPatron % DefaultColors.Length]);
if (frm.ShowDialog() == DialogResult.OK)
{
var lvi = listViewPatterns.Items.Add(pav.StrPattern);
lvi.SubItems.Add(pav.IsChar
? string.Format("{0} - {1}", pav.ChrStartValue, pav.ChrEndValue)
: string.Format("{0} - {1}", pav.IntStartValue, pav.IntEndValue));
lvi.UseItemStyleForSubItems = false;
lvi.ForeColor = DefaultColors[intPatron % DefaultColors.Length];
lvi.Tag = pav;
rtbPattern.Text = rtbPattern.Text.Insert(pav.PosPattern, pav.StrPattern);
}
var valuesCount = CalculateTotalValuesCount();
lblVariants.Text = valuesCount == 0 ? "The value exceeds the limits" : valuesCount.ToString();
}
/// <summary>
/// Increment the values array current value
/// </summary>
/// <param name="currentValues"></param>
/// <param name="valueIndex"></param>
/// <param name="pav"></param>
/// <returns>False if the value can not be incremented</returns>
private bool IncrementValue(ref int[] currentValues, int valueIndex, FormAddVariable.ParametersAddVariable pav)
{
if (currentValues[valueIndex] == pav.GetEndValue())
{
return(false);
}
currentValues[valueIndex]++;
return(true);
}
/// <summary>
/// Generate all possible variants
/// </summary>
private void GeneraVariaciones()
{
var nPatterns = listViewPatterns.Items.Count;
// this array will store the current value of each pattern
var currentValues = new int[nPatterns];
// existing patterns array
var pav = new FormAddVariable.ParametersAddVariable[nPatterns];
// set initial value of each pattern
for (var i = 0; i < nPatterns; i++)
{
pav[i] = (FormAddVariable.ParametersAddVariable)listViewPatterns.Items[i].Tag;
currentValues[i] = pav[i].GetStartValue();
}
while (true)
{
do
{
// add new variant
lstVariants.Add(VariantToString(rtbPattern.Text, currentValues, pav));
} while (IncrementValue(ref currentValues, nPatterns - 1, pav[nPatterns - 1]));
currentValues[nPatterns - 1] = pav[nPatterns - 1].GetStartValue();
// if the current value is not the maximum, increment the previous value
var indexIncrement = nPatterns - 2;
while (indexIncrement >= 0 &&
!IncrementValue(ref currentValues, indexIncrement, pav[indexIncrement]))
{
currentValues[indexIncrement] = pav[indexIncrement].GetStartValue();
indexIncrement--;
}
if (indexIncrement < 0)
{
break;
}
}
}