public StopBlock(int xMouse, int yMouse)
: base("STOP")
{
X = xMouse - Width / 2;
Y = yMouse - Height / 2;
InLink = new InLinkButton(X + Width / 2 - InLinkButton.R, Y - InLinkButton.R);
}
public OperationBlock(int xMouse, int yMouse, string text)
: base(text)
{
X = xMouse - Width / 2;
Y = yMouse - Height / 2;
InLink = new InLinkButton(X + Width / 2 - InLinkButton.R, Y - InLinkButton.R);
OutLink = new OutLinkButton(X + Width / 2 - OutLinkButton.R, Y + Height - OutLinkButton.R);
}
public override void RemoveLinks()
{
if (InLink.LinkedTo != null)
{
InLink.LinkedTo.LinkedTo = null;
}
InLink = null;
}
} // false;
public DecisionBlock(int xMouse, int yMouse, string text)
: base(text)
{
topPoint = new Point(xMouse, yMouse - HalfDiameter);
rightPoint = new Point(xMouse + HalfDiameter, yMouse);
bottomPoint = new Point(xMouse, yMouse + HalfDiameter);
leftPoint = new Point(xMouse - HalfDiameter, yMouse);
InLink = new InLinkButton(topPoint.X - InLinkButton.R, topPoint.Y - InLinkButton.R);
OutLinkLeft = new OutLinkButton(leftPoint.X - OutLinkButton.R, leftPoint.Y - OutLinkButton.R);
OutLinkRight = new OutLinkButton(rightPoint.X - OutLinkButton.R, rightPoint.Y - OutLinkButton.R);
}
private void NewScheme(int Width, int Height)
{
ifLineDraw = false;
linkStartButton = null;
notAllowedInLink = null;
textBox1.Text = "";
textBox1.Enabled = false;
StartBlock.IsPresent = false;
blockList.Clear();
pictureBox1.Size = new Size(Width, Height);
bit = new Bitmap(pictureBox1.Width, pictureBox1.Height);
Graphics flagGraphics = Graphics.FromImage(bit);
flagGraphics.Clear(Color.White);
pictureBox1.Image = bit;
pictureBox1.Refresh();
}
public override (bool canBeDone, InLinkButton inLinkButton) EndLink(int xMouse, int yMouse, InLinkButton notAllowedInLink)
{
if (InLink.LinkedTo == null && InLink.IsUnderMouse(xMouse, yMouse) && InLink != notAllowedInLink)
{
return(true, InLink);
}
return(false, null);
}
private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
ComponentResourceManager resourceManager = new ComponentResourceManager(typeof(Form1));
Block newBlock;
if (isOperationBlockClicked)
{
newBlock = new OperationBlock(e.X, e.Y, resourceManager.GetString("operationBlockText"));
}
else if (isDecisionBlockClicked)
{
newBlock = new DecisionBlock(e.X, e.Y, resourceManager.GetString("decisionBlockText"));
}
else if (isStartBlockClicked)
{
if (!StartBlock.IsPresent)
{
newBlock = new StartBlock(e.X, e.Y);
}
else
{
MessageBox.Show(resourceManager.GetString("startCreatingErrorText"), resourceManager.GetString("startCreatingErrorTitle"), MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
else if (isStopBlockClicked)
{
newBlock = new StopBlock(e.X, e.Y);
}
else if (isTrashClicked)
{
DeleteBlockFromPosition(e.X, e.Y);
return;
}
else if (isLinkClicked)
{
bool canBeDone = false;
notAllowedInLink = null;
for (int i = blockList.Count - 1; i >= 0; i--)
{
(canBeDone, linkStartButton, notAllowedInLink) = blockList[i].StartLink(e.X, e.Y);
if (canBeDone)
{
ifLineDraw = true;
linkEnd = linkStart = new Point(e.X, e.Y);
return;
}
}
return;
}
else
{
return;
}
blockList.Add(newBlock);
newBlock.DrawBlockImage(bit, pictureBox1);
}
else if (e.Button == MouseButtons.Right)
{
Block.ClickedBlockIndex = -1;
textBox1.Enabled = true;
for (int i = blockList.Count - 1; i >= 0; i--)
{
if (blockList[i].IsUnderMouse(e.X, e.Y))
{
blockList[i].IsClicekd = true;
Block.ClickedBlockIndex = i;
break;
}
}
if (Block.ClickedBlockIndex == -1)
{
clickedBlock = null;
textBox1.Text = "";
textBox1.Enabled = false;
}
else
{
clickedBlock = blockList[Block.ClickedBlockIndex];
}
for (int i = 0; i < blockList.Count; i++)
{
if (i != Block.ClickedBlockIndex)
{
blockList[i].IsClicekd = false;
blockList[i].DrawBlockImage(bit, pictureBox1);
}
else
{
blockList[i].IsClicekd = true;
blockList[i].DrawClickedBlockImage(bit, pictureBox1);
textBox1.Text = blockList[i].Text;
if (blockList[i] is StartBlock || blockList[i] is StopBlock)
{
textBox1.Enabled = false;
}
}
}
}
}
public override (bool canBeDone, InLinkButton inLinkButton) EndLink(int xMouse, int yMouse, InLinkButton notAllowedInLink)
{
return(false, null);
}
public static void LinkOutToIn(Point A, Point B, OutLinkButton outLinkButton, InLinkButton inLinkButton, Bitmap srcBitmap, PictureBox srcPictureBox)
{
outLinkButton.LinkedTo = inLinkButton;
inLinkButton.LinkedTo = outLinkButton;
outLinkButton.startLinkPoint = A;
inLinkButton.endLinkPoint = B;
DrawLinkOutToIn(A, B, srcBitmap, srcPictureBox);
}
public abstract (bool canBeDone, InLinkButton inLinkButton) EndLink(int xMouse, int yMouse, InLinkButton notAllowedInLink);
