private void MainCanvas_DoubleClick(object sender, EventArgs e)
{
var x = (int)((mouseDownPoint.X - MainCanvas.AutoScrollPosition.X) / Zoom);
var y = (int)((mouseDownPoint.Y - MainCanvas.AutoScrollPosition.Y) / Zoom);
for (int i = BoundingItemes.Count - 1; i >= 0; i--)
{
BoundingItem bitem = BoundingItemes[i];
if (bitem.HitTest(x, y))
{
if (bitem.Target is Shape)
{
currentBoundingItem = bitem;
var shape = (Shape)bitem.Target;
var args = new ShapeMouseEventArgs
{
BoundingItem = bitem, X = x, Y = y, Button = MouseButtons.Left, Sender = this
};
shape.OnDoubleClick(args);
if (args.Redraw)
{
Refresh();
}
}
return;
}
}
}
private void MainCanvas_MouseMove(object sender, MouseEventArgs e)
{
if (EditMode == EditMode.DrawRelation)
{
mouseCurrentPoint = new Point(e.X, e.Y);
MainCanvas.Refresh();
}
else if (EditMode == EditMode.Normal)
{
var x = (int)((e.X - MainCanvas.AutoScrollPosition.X) / Zoom);
var y = (int)((e.Y - MainCanvas.AutoScrollPosition.Y) / Zoom);
if (e.Button != MouseButtons.None)
{
if (currentBoundingItem == null)
{
if (isPanning)
{
int dx = mouseDownPoint.X - e.X;
int dy = mouseDownPoint.Y - e.Y;
var newPos = new Point(mouseDownAutoscrollPoint.X + dx, mouseDownAutoscrollPoint.Y + dy);
MainCanvas.AutoScrollPosition = newPos;
Cursor = Cursors.SizeAll;
}
}
else
{
var shape = (Shape)currentBoundingItem.Target;
var args = new ShapeMouseEventArgs
{
BoundingItem = currentBoundingItem,
X = x,
Y = y,
Button = e.Button,
Sender = this,
GridSize = GridSize,
SnapToGrid = SnapToGrid
};
shape.OnMouseMove(args);
if (args.Redraw)
{
MainCanvas.Refresh();
}
}
}
else
{
for (int i = BoundingItemes.Count - 1; i >= 0; i--)
{
BoundingItem bitem = BoundingItemes[i];
if (bitem.HitTest(x, y))
{
if (bitem.Target is Shape)
{
var shape = (Shape)bitem.Target;
var args = new ShapeMouseEventArgs
{
BoundingItem = bitem, X = x, Y = y, Button = e.Button, Sender = this
};
shape.OnMouseMove(args);
if (args.Redraw)
{
MainCanvas.Refresh();
}
}
return;
}
}
}
}
}
private void MainCanvas_MouseDown(object sender, MouseEventArgs e)
{
EndInput();
var x = (int)((e.X - MainCanvas.AutoScrollPosition.X) / Zoom);
var y = (int)((e.Y - MainCanvas.AutoScrollPosition.Y) / Zoom);
if (EditMode == EditMode.BeginDrawRelation)
{
mouseDownPoint = new Point(e.X, e.Y);
EditMode = EditMode.DrawRelation;
relationStart = null;
for (int i = BoundingItemes.Count - 1; i >= 0; i--)
{
BoundingItem bitem = BoundingItemes[i];
if (bitem.HitTest(x, y))
{
if (bitem.Target is Shape)
{
relationStart = bitem.Target as Shape;
}
}
}
}
else if (EditMode == EditMode.Normal)
{
mouseDownPoint = new Point(e.X, e.Y);
mouseDownAutoscrollPoint = new Point(-MainCanvas.AutoScrollPosition.X, -MainCanvas.AutoScrollPosition.Y);
for (int i = BoundingItemes.Count - 1; i >= 0; i--)
{
BoundingItem bitem = BoundingItemes[i];
if (bitem.HitTest(x, y))
{
if (bitem.Target is Shape)
{
currentBoundingItem = bitem;
var shape = (Shape)bitem.Target;
currentShape = shape;
var args = new ShapeMouseEventArgs
{
BoundingItem = bitem,
X = x,
Y = y,
Button = e.Button,
Sender = this,
GridSize = GridSize,
SnapToGrid = SnapToGrid
};
shape.OnMouseDown(args);
if (args.Redraw)
{
Refresh();
}
}
return;
}
}
isPanning = true;
}
}
private void MainCanvas_MouseUp(object sender, MouseEventArgs e)
{
var x = (int)((e.X - MainCanvas.AutoScrollPosition.X) / Zoom);
var y = (int)((e.Y - MainCanvas.AutoScrollPosition.Y) / Zoom);
if (EditMode == EditMode.DrawRelation)
{
relationEnd = null;
for (int i = BoundingItemes.Count - 1; i >= 0; i--)
{
BoundingItem bitem = BoundingItemes[i];
if (bitem.HitTest(x, y))
{
if (bitem.Target is Shape)
{
relationEnd = bitem.Target as Shape;
}
}
}
endDrawRelation(relationStart, relationEnd);
//end drawing
EditMode = EditMode.Normal;
MainCanvas.Refresh();
}
else if (EditMode == EditMode.Normal)
{
Cursor = Cursors.Default;
currentBoundingItem = null;
isPanning = false;
for (int i = BoundingItemes.Count - 1; i >= 0; i--)
{
BoundingItem bitem = BoundingItemes[i];
if (bitem.HitTest(x, y))
{
if (bitem.Target is Shape)
{
var shape = (Shape)bitem.Target;
var args = new ShapeMouseEventArgs
{
BoundingItem = bitem,
X = x,
Y = y,
Button = e.Button,
Sender = this,
GridSize = GridSize,
SnapToGrid = SnapToGrid
};
shape.OnMouseUp(args);
if (args.Redraw)
{
Refresh();
}
}
return;
}
}
}
}
