private void Confirm_Click(object sender, RoutedEventArgs e)
{
try
{
aString = SetA.Text;
bString = SetB.Text;
rString = Relation.Text;
Relation relation = new Relation(aString, bString, rString);
CustomButton b1 = new CustomButton(aString, bString, rString);
Label l2 = new Label();
Label l3 = new Label();
Label l4 = new Label();
Label l5 = new Label();
Label l6 = new Label();
Label l7 = new Label();
Label l8 = new Label();
Label l9 = new Label();
Label l10 = new Label();
Label l11 = new Label();
b1.Name = "wholeRel" + counter;
b1.Content = "Draw this relation";
b1.Click += DrawRelation_Click;
b1.Height = 23;
l2.Name = "lefttotal" + counter;
l2.Content = "Lefttotal: " + relation.isLefttotal();
l2.Height = 23;
l3.Name = "righttotal";
l3.Content = "Righttotal: " + relation.isRighttotal();
l3.Height = 23;
l4.Name = "bitotal";
l4.Content = "Bitotal: " + relation.isBitotal();
l4.Height = 23;
l5.Name = "leftunique";
l5.Content = "Leftunique: " + relation.isLeftunique();
l5.Height = 23;
l6.Name = "rightunique";
l6.Content = "Rightunique: " + relation.isRightunique();
l6.Height = 23;
l7.Name = "onetoone";
l7.Content = "One-to-one: " + relation.isOneunique();
l7.Height = 23;
l8.Name = "function";
l8.Content = "Function: " + relation.isFunction();
l8.Height = 23;
l9.Name = "surjective";
l9.Content = "Surjective: " + relation.isSurjective();
l9.Height = 23;
l10.Name = "injective";
l10.Content = "Injective: " + relation.isInjective();
l10.Height = 23;
l11.Name = "bijective";
l11.Content = "Bijective: " + relation.isBijective();
l11.Height = 23;
CustomButton btn = new CustomButton(aString, bString, rString);
btn.Name = "RelBtn" + counter;
btn.Content = ("R" + counter + " = ({" + aString + "} x {" + bString + "}, {" + rString + "})");
btn.Click += RelButton_Click;
TopStackPanel.Children.Add(btn);
StackPanel stack = new StackPanel();
stack.Name = "S" + counter;
stack.Visibility = Visibility.Collapsed;
stack.HorizontalAlignment = HorizontalAlignment.Center;
stack.Children.Add(b1);
stack.Children.Add(l2);
stack.Children.Add(l3);
stack.Children.Add(l4);
stack.Children.Add(l5);
stack.Children.Add(l6);
stack.Children.Add(l7);
stack.Children.Add(l8);
stack.Children.Add(l9);
stack.Children.Add(l10);
stack.Children.Add(l11);
TopStackPanel.Children.Add(stack);
counter++;
SetA.Foreground = Brushes.LightGray;
SetA.Text = defaultTextA;
SetB.Foreground = Brushes.LightGray;
SetB.Text = defaultTextB;
Relation.Foreground = Brushes.LightGray;
Relation.Text = defaultTextR;
SetA.Focus();
}
catch (InputNotIntException)
{
MessageBox.Show("You need to enter numbers only!");
}
}
private void DrawRelation_Click(object sender, RoutedEventArgs e)
{
MyCanvas.Children.Clear();
aString = ((CustomButton)sender).SetA;
bString = ((CustomButton)sender).SetB;
rString = ((CustomButton)sender).RelationValue;
Relation relation = new Relation(aString, bString, rString);
int leftElementTopOffset = 1;
int rightElementTopOffset = 1;
int setALength = relation.splitSetA().Count;
int setBLength = relation.splitSetB().Count;
if (setALength < setBLength)
{
int firstLength = setALength;
int secondLength = setBLength;
int countA = 0;
int countB = 0;
int counter = 0;
int i = 0;
while (i < secondLength)
{
if (counter % 2 == 0)
{
if (countA < firstLength)
{
TextBlock block = new TextBlock();
block.Name = "blockA" + relation.splitSetA().ElementAt(countA);
relation.splitSetA().ElementAt(countA);
block.Text = "" + relation.splitSetA().ElementAt(countA);
block.Width = block.Text.Length * 6.8;
block.MaxWidth = 100;
block.Margin = new Thickness(20, leftElementTopOffset * 10, 0, 0);
leftElementTopOffset += 3;
MyCanvas.Children.Add(block);
countA++;
counter++;
}
else
{
counter++;
}
}
else
{
if (countB < secondLength)
{
TextBlock block = new TextBlock();
block.Name = "blockB" + relation.splitSetB().ElementAt(countB);
relation.splitSetB().ElementAt(countB);
block.Text = "" + relation.splitSetB().ElementAt(countB);
block.Width = block.Text.Length * 6.8;
block.MaxWidth = 100;
block.Margin = new Thickness(400, rightElementTopOffset * 10, 0, 0);
rightElementTopOffset += 3;
MyCanvas.Children.Add(block);
countB++;
i++;
counter++;
}
else
{
i++;
counter++;
}
}
}
}
else if (setBLength < setALength)
{
int firstLength = setALength;
int secondLength = setBLength;
int countA = 0;
int countB = 0;
int counter = 0;
int i = 0;
while (i < firstLength)
{
if (counter % 2 == 0)
{
if (countA < firstLength)
{
TextBlock block = new TextBlock();
block.Name = "blockA" + relation.splitSetA().ElementAt(countA);
relation.splitSetA().ElementAt(countA);
block.Text = "" + relation.splitSetA().ElementAt(countA);
block.Width = block.Text.Length * 6.8;
block.MaxWidth = 100;
block.Margin = new Thickness(20, leftElementTopOffset * 10, 0, 0);
leftElementTopOffset += 3;
MyCanvas.Children.Add(block);
countA++;
counter++;
}
else
{
counter++;
}
}
else
{
if (countB < secondLength)
{
TextBlock block = new TextBlock();
block.Name = "blockB" + relation.splitSetB().ElementAt(countB);
relation.splitSetB().ElementAt(countB);
block.Text = "" + relation.splitSetB().ElementAt(countB);
block.Width = block.Text.Length * 6.8;
block.MaxWidth = 100;
block.Margin = new Thickness(400, rightElementTopOffset * 10, 0, 0);
rightElementTopOffset += 3;
MyCanvas.Children.Add(block);
countB++;
i++;
counter++;
}
else
{
i++;
counter++;
}
}
}
}
else if (setALength == setBLength)
{
int firstLength = setALength;
for (int i = 0; i < firstLength; i++)
{
TextBlock blockA = new TextBlock();
blockA.Name = "blockA" + relation.splitSetA().ElementAt(i);
blockA.Text = "" + relation.splitSetA().ElementAt(i);
blockA.Width = blockA.Text.Length * 6.8;
blockA.MaxWidth = 100;
blockA.Margin = new Thickness(20, leftElementTopOffset * 10, 0, 0);
leftElementTopOffset += 3;
TextBlock blockB = new TextBlock();
blockB.Name = "blockB" + relation.splitSetB().ElementAt(i);
blockB.Text = "" + relation.splitSetB().ElementAt(i);
blockB.Width = blockA.Text.Length * 6.8;
blockB.MaxWidth = 100;
blockB.Margin = new Thickness(400, rightElementTopOffset * 10, 0, 0);
rightElementTopOffset += 3;
MyCanvas.Children.Add(blockA);
MyCanvas.Children.Add(blockB);
}
}
double x1 = 0;
double y1 = 0;
double x2 = 0;
double y2 = 0;
List <List <int> > rList = relation.splitRelation();
foreach (List <int> innerList in rList)
{
int a = innerList.ElementAt(0);
foreach (Object obj in MyCanvas.Children)
{
if (obj is TextBlock)
{
if (((TextBlock)obj).Name == "blockA" + a)
{
x1 = ((TextBlock)obj).Name.Length + ((TextBlock)obj).Margin.Left;
y1 = ((TextBlock)obj).Margin.Top;
}
}
}
int b = innerList.ElementAt(1);
foreach (Object obj in MyCanvas.Children)
{
if (obj is TextBlock)
{
if (((TextBlock)obj).Name == "blockB" + b)
{
x2 = ((TextBlock)obj).Margin.Left;
y2 = ((TextBlock)obj).Margin.Top;
}
}
}
Line l = new Line();
l.Stroke = Brushes.Black;
l.StrokeThickness = 1;
l.X1 = x1;
l.Y1 = y1;
l.X2 = x2;
l.Y2 = y2;
MyCanvas.Children.Add(l);
}
}