public void Display()
{
Cursor cursor = Mouse.OverrideCursor;
Mouse.OverrideCursor = Cursors.Wait;
try
{
canvas.Children.Clear();
codeLines.Clear();
subs.Clear();
sbDocument = mainWindow.GetActiveDocument();
//scaleView = 1;
//scaleTransform.ScaleX = 1.0;
//scaleTransform.ScaleY = 1.0;
lastHighlight = null;
Parse();
maxrow = 0;
maxcol = 0;
foreach (CodeLine codeLine in codeLines)
{
int row = codeLine.row;
int col = codeLine.col;
if (codeLine.block != eBlock.START && codeLine.block != eBlock.SUB && codeLine.block != eBlock.ELSE && codeLine.block != eBlock.ELSEIF)
{
ConnectEndIf(row, col, 0, col);
}
if (codeLine.block == eBlock.ELSE || codeLine.block == eBlock.ELSEIF)
{
Line connect = new Line()
{
X1 = borderSpace + (width + widthSpace) * col + 2,
X2 = borderSpace + (width + widthSpace) * col - widthSpace - 2,
Y1 = borderSpace + heightSpace * row + height / 2,
Y2 = borderSpace + heightSpace * row + height / 2,
Stroke = new SolidColorBrush(foreground),
StrokeThickness = 2,
};
canvas.Children.Add(connect);
int testCol = col - 1;
while (null == HasSymbol(row, testCol) && testCol > 0)
{
Line connect2 = new Line()
{
X1 = borderSpace + (width + widthSpace) * (testCol + 1) + 2,
X2 = borderSpace + (width + widthSpace) * testCol - widthSpace - 2,
Y1 = borderSpace + heightSpace * row + height / 2,
Y2 = borderSpace + heightSpace * row + height / 2,
Stroke = new SolidColorBrush(foreground),
StrokeThickness = 2,
};
canvas.Children.Add(connect2);
testCol--;
}
ImageSource arrow = MainWindow.ImageSourceFromBitmap(Properties.Resources.Arrow);
Image img = new Image()
{
Width = 24,
Height = 24,
Source = arrow,
};
RotateTransform rotateTransform = new RotateTransform();
rotateTransform.CenterX = 12;
rotateTransform.CenterY = 12;
rotateTransform.Angle = 180;
img.RenderTransform = new TransformGroup();
((TransformGroup)img.RenderTransform).Children.Add(rotateTransform);
canvas.Children.Add(img);
Canvas.SetLeft(img, borderSpace + (width + widthSpace) * col - 22);
Canvas.SetTop(img, borderSpace + heightSpace * row + height / 2 - 11);
Canvas.SetZIndex(img, 1);
}
if (codeLine.block == eBlock.IF || codeLine.block == eBlock.ELSEIF)
{
if (TFshape)
{
Grid imgTrue = CodeShape.GetBlock(Colors.Green, "T", 24, 24, eShape.ELLIPSE);
canvas.Children.Add(imgTrue);
Canvas.SetLeft(imgTrue, borderSpace + (width + widthSpace) * col + width / 2 - imgTrue.Width / 2);
Canvas.SetTop(imgTrue, borderSpace + heightSpace * row + height + 2);
Canvas.SetZIndex(imgTrue, 1);
Grid imgFalse = CodeShape.GetBlock(Colors.Red, "F", 24, 24, eShape.ELLIPSE);
canvas.Children.Add(imgFalse);
Canvas.SetLeft(imgFalse, borderSpace + (width + widthSpace) * col + width + 2);
Canvas.SetTop(imgFalse, borderSpace + heightSpace * row + height / 2 - imgTrue.Height / 2);
Canvas.SetZIndex(imgFalse, 1);
}
else
{
TextBlock condition = new TextBlock()
{
Foreground = new SolidColorBrush(foreground),
Text = "True",
};
condition.Measure(new Size(double.MaxValue, double.MaxValue));
canvas.Children.Add(condition);
Canvas.SetLeft(condition, borderSpace + (width + widthSpace) * col + width / 2 + 2);
Canvas.SetTop(condition, borderSpace + heightSpace * row + height + 2);
condition = new TextBlock()
{
Foreground = new SolidColorBrush(foreground),
Text = "False",
};
condition.Measure(new Size(double.MaxValue, double.MaxValue));
canvas.Children.Add(condition);
Canvas.SetLeft(condition, borderSpace + (width + widthSpace) * col + width + 2);
Canvas.SetTop(condition, borderSpace + heightSpace * row + height / 2 - condition.DesiredSize.Height - 2);
}
}
if (codeLine.block == eBlock.ENDIF)
{
int rowIf = codeLine.rootLine.row;
for (int colIf = 0; colIf <= maxcol; colIf++)
{
CodeLine cl = HasSymbol(rowIf, colIf);
if (null != cl && cl.rootLine == codeLine.rootLine)
{
ConnectEndIf(codeLine.row, codeLine.col, rowIf, colIf);
}
}
}
if (codeLine.block == eBlock.ENDFOR || codeLine.block == eBlock.ENDWHILE || codeLine.block == eBlock.GOTO)
{
ConnectLoop(codeLine.row, codeLine.col, codeLine.rootLine.row, codeLine.rootLine.col);
}
Color color;
switch (codeLine.block)
{
case eBlock.IF:
case eBlock.ELSE:
case eBlock.ELSEIF:
color = MainWindow.IntToColor(MainWindow.CHART_CONDITION_COLOR);
break;
case eBlock.START:
case eBlock.SUB:
color = MainWindow.IntToColor(MainWindow.CHART_START_COLOR);
break;
case eBlock.GOTO:
case eBlock.LABEL:
case eBlock.CALL:
color = MainWindow.IntToColor(MainWindow.CHART_CALL_COLOR);
break;
case eBlock.FOR:
case eBlock.ENDFOR:
color = MainWindow.IntToColor(MainWindow.CHART_FOR_COLOR);
break;
case eBlock.WHILE:
case eBlock.ENDWHILE:
color = MainWindow.IntToColor(MainWindow.CHART_WHILE_COLOR);
break;
default:
color = MainWindow.IntToColor(MainWindow.CHART_STATEMENT_COLOR);
break;
}
CodeShape border = new CodeShape(codeLine, width, height, color);
codeLine.border = border;
border.grid.MouseDown += new MouseButtonEventHandler(codeClick);
canvas.Children.Add(border.grid);
Canvas.SetLeft(border.grid, borderSpace + (width + widthSpace) * col);
Canvas.SetTop(border.grid, borderSpace + heightSpace * row++);
maxcol = Math.Max(maxcol, col);
maxrow = Math.Max(maxrow, row);
}
canvas.Width = -widthSpace + 2 * borderSpace + (width + widthSpace) * (maxcol + 1);
canvas.Height = borderSpace + heightSpace * maxrow;
}
catch (Exception ex)
{
MainWindow.Errors.Add(new Error("Flow Chart : " + ex.Message));
OnError();
}
Mouse.OverrideCursor = cursor;
}
// Connect left and up/down from row1,col1 to row2,col2
private void ConnectLoop(int row1, int col1, int row2, int col2)
{
Line connect;
ImageSource arrow = MainWindow.ImageSourceFromBitmap(Properties.Resources.Arrow);
Image img;
int space = 26;
List <CodeLine> working = new List <CodeLine>();
for (int row = Math.Min(row1, row2); row <= Math.Max(row1, row2); row++)
{
CodeLine codeLine = HasSymbol(row, col2);
if (null != codeLine)
{
working.Add(codeLine);
space = Math.Max(space, codeLine.linkDist + 4);
}
}
space = Math.Min(space, (int)widthSpace - 4);
foreach (CodeLine codeLine in working)
{
codeLine.linkDist = space;
}
connect = new Line()
{
X1 = borderSpace + (width + widthSpace) * col1,
X2 = borderSpace + (width + widthSpace) * col2 - space,
Y1 = borderSpace + heightSpace * row1 + height / 2,
Y2 = borderSpace + heightSpace * row1 + height / 2,
Stroke = new SolidColorBrush(foreground),
StrokeThickness = 2,
};
canvas.Children.Add(connect);
connect = new Line()
{
X1 = borderSpace + (width + widthSpace) * col2 - space,
X2 = borderSpace + (width + widthSpace) * col2 - space,
Y1 = borderSpace + heightSpace * row1 + height / 2,
Y2 = borderSpace + heightSpace * row2 + height / 2,
Stroke = new SolidColorBrush(foreground),
StrokeThickness = 2,
};
canvas.Children.Add(connect);
connect = new Line()
{
X1 = borderSpace + (width + widthSpace) * col2 - space,
X2 = borderSpace + (width + widthSpace) * col2,
Y1 = borderSpace + heightSpace * row2 + height / 2,
Y2 = borderSpace + heightSpace * row2 + height / 2,
Stroke = new SolidColorBrush(foreground),
StrokeThickness = 2,
};
canvas.Children.Add(connect);
img = new Image()
{
Width = 24,
Height = 24,
Source = arrow,
};
RotateTransform rotateTransform = new RotateTransform();
rotateTransform.CenterX = 12;
rotateTransform.CenterY = 12;
rotateTransform.Angle = 180;
img.RenderTransform = new TransformGroup();
((TransformGroup)img.RenderTransform).Children.Add(rotateTransform);
canvas.Children.Add(img);
Canvas.SetLeft(img, borderSpace + (width + widthSpace) * col2 - 24);
Canvas.SetTop(img, borderSpace + heightSpace * row2 + height / 2 - 11);
Canvas.SetZIndex(img, 1);
}