private void OnLeftClick(object sender, MouseEventArgs e)
{
if (!string.IsNullOrEmpty(_flowChartCtlBasic.RefStateMachine.LockText))
{
return;
}
if (!EditMode)
{
EditMode = true;
}
else
{
SMContainerPanel panel = sender as SMContainerPanel;
CurrentSel = null;
if (_emptyFlowSpot && panel != null && !PreventEdit)
{
if (Control.ModifierKeys != Keys.Control)
{
new NewItemForm(this, PixelToGridSnap(panel.PointToClient(MousePosition))).ShowDialog();
}
else
{
if (!_draging)
{
ShowContextMenu(null, PixelToGridSnap(panel.PointToClient(MousePosition)));
}
}
}
}
}
private void OnMouseMove(object sender, MouseEventArgs e)
{
_isCropping = false;
// System.Diagnostics.Debug.WriteLine(string.Format("FlowChart MouseMove"));
if (onMouseMove != null)
{
// System.Diagnostics.Debug.WriteLine(string.Format("Fire FlowChart MouseMove event"));
onMouseMove(this, e);
return;
}
SMContainerPanel panel = sender as SMContainerPanel;
if (panel == null)
{
return;
}
if (e.Button == MouseButtons.Left)
{
if (Control.ModifierKeys != Keys.Control)
{
if (_emptyFlowSpot)
{
// turn off New Flow Item readiness
panel.Cursor = Cursors.Hand;
_emptyFlowSpot = false;
}
if (!_lastMousePos.IsEmpty)
{
// Dragging
Point newPos = _flowChartCtlBasic.PointToClient(MousePosition);
Point deltaMoved = newPos;
deltaMoved.Offset(-_lastMousePos.X, -_lastMousePos.Y);
panel.Top += deltaMoved.Y;
panel.Left += deltaMoved.X;
_lastMousePos = newPos;
////Cropping
//this.Refresh();
//_cropWidth = Math.Abs(e.X - _cropX);
//_cropHeight = Math.Abs(e.Y - _cropY);
//_oCropX = Math.Min(_cropX, e.X);
//_oCropY = Math.Min(_cropY, e.Y);
//this.CreateGraphics().DrawRectangle(_cropPen, _oCropX, _oCropY, _cropWidth, _cropHeight);
//_isCropping = true;
}
}
else
{
if (_selectedCtrlList != null)
{
_draging = true;
if (_selectedCtrlList != null && _selectedCtrlList.Count > 0)
{
foreach (SMCtlBase smCtrl in _selectedCtrlList)
{
try
{
smCtrl.OnMouseMove(null, e);
}
catch { }
finally { }
}
}
}
else
{
//Cropping
//this.Refresh();
if (_g != null)
{
_g.Clear(Color.FromArgb(255, 236, 233, 216));
_g.Dispose();
_g = null;
}
_g = this.CreateGraphics();
_g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighSpeed;
_g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed;
_cropWidth = Math.Abs(e.X - _cropX);
_cropHeight = Math.Abs(e.Y - _cropY);
_oCropX = Math.Min(_cropX, e.X);
_oCropY = Math.Min(_cropY, e.Y);
_g.DrawRectangle(_cropPen, _oCropX, _oCropY, _cropWidth, _cropHeight);
_isCropping = true;
}
}
}
else if (EditMode)
{
if (e.Button == MouseButtons.Right)
{
if (!_lastMousePos.IsEmpty)
{
// Dragging
Point newPos = _flowChartCtlBasic.PointToClient(MousePosition);
Point deltaMoved = newPos;
deltaMoved.Offset(-_lastMousePos.X, -_lastMousePos.Y);
if (Math.Abs(deltaMoved.X) > GridToPixelX(1.0f))
{
// Change in X
if (deltaMoved.X > 0)
{
_flowContainer.MoveAll(new PointF(1f, 0f));
}
else
{
_flowContainer.MoveAll(new PointF(-1f, 0f));
}
_lastMousePos = newPos;
Redraw();
}
else if (Math.Abs(deltaMoved.Y) > GridToPixelY(1.0f))
{
// Chang in Y
if (deltaMoved.Y > 0)
{
_flowContainer.MoveAll(new PointF(0f, 1f));
}
else
{
_flowContainer.MoveAll(new PointF(0f, -1f));
}
_lastMousePos = newPos;
Redraw();
}
}
}
else
{
// If over an empty space, show
PointF gridPos = PixelToGrid(panel.PointToClient(MousePosition));
double x = gridPos.X - (int)gridPos.X;
double y = gridPos.Y - (int)gridPos.Y;
if (x < 0.7 && x > 0.3 && y < 0.6 && y > 0.4)
{
_emptyFlowSpot = true;
panel.Cursor = _flowItemCursor;
}
else
{
_emptyFlowSpot = false;
panel.Cursor = Cursors.Default;
}
}
}
}