//--------------------------------------------------------------------------
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
if (Graph.MouseOverItem is Connection)
{
return;
}
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
//IsSelected = !IsSelected;
}
else
{
IsSelected = true;
}
Keyboard.Focus(Graph);
m_inDrag = true;
m_mouseDragLast = MouseUtilities.CorrectGetPosition(Graph);
foreach (var node in Graph.Selected)
{
node.m_startX = node.X;
node.m_startY = node.Y;
}
this.CaptureMouse();
Graph.UpdateSnapLines();
e.Handled = true;
base.OnMouseLeftButtonDown(e);
}
//--------------------------------------------------------------------------
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
//IsSelected = !IsSelected;
}
else
{
IsSelected = true;
}
m_inDrag = true;
m_mouseDragLast = MouseUtilities.CorrectGetPosition(LinkParent.Graph);
foreach (var node in LinkParent.Graph.Selected)
{
node.StoreStartPos();
}
this.CaptureMouse();
e.Handled = true;
base.OnMouseLeftButtonDown(e);
}
//--------------------------------------------------------------------------
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
m_inDrag = true;
m_mouseDragLast = MouseUtilities.CorrectGetPosition(LinkParent.Graph);
m_startX = Position.X;
m_startY = Position.Y;
this.CaptureMouse();
e.Handled = true;
base.OnMouseLeftButtonDown(e);
}
//--------------------------------------------------------------------------
protected override void OnPreviewMouseLeftButtonUp(MouseButtonEventArgs e)
{
var current = MouseUtilities.CorrectGetPosition(Graph);
var diff = current - m_mouseDragLast;
if (Math.Abs(diff.X) < 10 && Math.Abs(diff.Y) < 10)
{
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
IsSelected = !IsSelected;
}
}
base.OnPreviewMouseLeftButtonUp(e);
}
//--------------------------------------------------------------------------
protected override void OnMouseMove(MouseEventArgs e)
{
if (Graph.CreatingLink != null)
{
if (Graph.CreatingLink.AllowedTypes.Contains(GraphNodeItem.Definition.Name) && Graph.CanHaveCircularReferences || Graph.CreatingLink.Link == this || !Graph.CreatingLink.Node.IsCircular(this))
{
Graph.ConnectedLinkTo = this;
if (!(Graph.MouseOverItem is Connection))
{
Graph.MouseOverItem = this;
}
Graph.m_inProgressLink.Dest = Position;
e.Handled = true;
}
}
if (e.LeftButton != MouseButtonState.Pressed)
{
m_inDrag = false;
}
if (m_inDrag)
{
var current = MouseUtilities.CorrectGetPosition(Graph);
var diff = current - m_mouseDragLast;
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
var x = m_startX + diff.X / Graph.Scale;
var y = m_startY + diff.Y / Graph.Scale;
double?chosenSnapX = null;
foreach (var snapline in Graph.SnapLinesX)
{
if (Math.Abs(x - snapline) < 10)
{
chosenSnapX = snapline;
break;
}
else if (Math.Abs((x + ActualWidth) - snapline) < 10)
{
chosenSnapX = snapline - ActualWidth;
break;
}
}
double?chosenSnapY = null;
foreach (var snapline in Graph.SnapLinesY)
{
if (Math.Abs(y - snapline) < 10)
{
chosenSnapY = snapline;
break;
}
else if (Math.Abs((y + ActualHeight) - snapline) < 10)
{
chosenSnapY = snapline - ActualHeight;
break;
}
}
if (chosenSnapX.HasValue)
{
x = chosenSnapX.Value;
}
if (chosenSnapY.HasValue)
{
y = chosenSnapY.Value;
}
diff.X = (x - m_startX) * Graph.Scale;
diff.Y = (y - m_startY) * Graph.Scale;
}
foreach (var node in Graph.Selected)
{
node.X = node.m_startX + diff.X / Graph.Scale;
node.Y = node.m_startY + diff.Y / Graph.Scale;
}
}
base.OnMouseMove(e);
}
//--------------------------------------------------------------------------
protected override void OnMouseMove(MouseEventArgs e)
{
if (e.LeftButton != MouseButtonState.Pressed)
{
m_inDrag = false;
}
if (m_inDrag)
{
var current = MouseUtilities.CorrectGetPosition(Graph);
var diff = current - m_mouseDragLast;
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
var x = diff.X / Graph.Scale;
var y = diff.Y / Graph.Scale;
double?chosenSnapX = null;
foreach (var snapline in Graph.SnapLinesX)
{
if (Math.Abs(x - snapline) < 10)
{
chosenSnapX = snapline;
break;
}
else if (Math.Abs((x + ActualWidth) - snapline) < 10)
{
chosenSnapX = snapline - ActualWidth;
break;
}
}
double?chosenSnapY = null;
foreach (var snapline in Graph.SnapLinesY)
{
if (Math.Abs(y - snapline) < 10)
{
chosenSnapY = snapline;
break;
}
else if (Math.Abs((y + ActualHeight) - snapline) < 10)
{
chosenSnapY = snapline - ActualHeight;
break;
}
}
if (chosenSnapX.HasValue)
{
x = chosenSnapX.Value;
}
if (chosenSnapY.HasValue)
{
y = chosenSnapY.Value;
}
diff.X = x * Graph.Scale;
diff.Y = y * Graph.Scale;
}
m_disableUpdate = true;
foreach (var node in Nodes)
{
node.X = node.m_startX + diff.X / Graph.Scale;
node.Y = node.m_startY + diff.Y / Graph.Scale;
}
m_disableUpdate = false;
UpdateCommentSize();
}
base.OnMouseMove(e);
}
//--------------------------------------------------------------------------
protected override void OnMouseMove(MouseEventArgs e)
{
if (e.LeftButton != MouseButtonState.Pressed)
{
m_inDrag = false;
}
if (m_inDrag)
{
var current = MouseUtilities.CorrectGetPosition(LinkParent.Graph);
var diff = current - m_mouseDragLast;
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
var x = m_startX + diff.X / LinkParent.Graph.Scale;
var y = m_startY + diff.Y / LinkParent.Graph.Scale;
double?chosenSnapX = null;
foreach (var snapline in LinkParent.Graph.SnapLinesX)
{
if (Math.Abs(x - snapline) < 10)
{
chosenSnapX = snapline;
break;
}
else if (Math.Abs((x + ActualWidth) - snapline) < 10)
{
chosenSnapX = snapline - ActualWidth;
break;
}
}
double?chosenSnapY = null;
foreach (var snapline in LinkParent.Graph.SnapLinesY)
{
if (Math.Abs(y - snapline) < 10)
{
chosenSnapY = snapline;
break;
}
else if (Math.Abs((y + ActualHeight) - snapline) < 10)
{
chosenSnapY = snapline - ActualHeight;
break;
}
}
if (chosenSnapX.HasValue)
{
x = chosenSnapX.Value;
}
if (chosenSnapY.HasValue)
{
y = chosenSnapY.Value;
}
diff.X = (x - m_startX) * LinkParent.Graph.Scale;
diff.Y = (y - m_startY) * LinkParent.Graph.Scale;
}
foreach (var node in LinkParent.Graph.Selected)
{
node.Translate(new Point(diff.X / LinkParent.Graph.Scale, diff.Y / LinkParent.Graph.Scale));
}
}
base.OnMouseMove(e);
}