private void AutoScrollSelectedImage(MouseMoveArgs mma)
{
//we can safely assume the mouse is within the autoscroll margin
Point vector = new Point(0, 0);
vector.X = mma.Current.X - (refViewPort.ViewWidth - Globals.ImageBoxProperties.width);
refVirtualDomain.MoveCamera(vector.X, vector.Y);
refVirtualDomain.MoveSelectedImages(vector);
}
private bool NodeHover(MouseMoveArgs mma)
{
refHoveredNode = refVirtualDomain.OnHoverNode(mma.Current.X, mma.Current.Y);
if (refHoveredNode != null)
{
return(true);
}
return(false);
}
private bool HilightMouseover(MouseMoveArgs mma)
{
refHoveredImage = refVirtualDomain.OnHilightImage(mma.Current.X, mma.Current.Y);
if (refHoveredImage != null)
{
return(true);
}
return(false);
}
public void PerformAction(MouseEvents mouseEvent, EventArgs e)
{
MouseMoveArgs mma = (MouseMoveArgs)e;
foreach (EventCombo combo in ActionTriggers.Keys)
{
if (combo.Event == mouseEvent && combo.State == this.State)
{
DoAction(ActionTriggers[combo], mma, mouseEvent);
return;
}
}
}
private bool SelectGroup(MouseMoveArgs mma)
{
Rectangle SelectionRect = new Rectangle();
SelectionRect.X = System.Math.Min(mma.Current.X, mma.Start.X);
SelectionRect.Y = System.Math.Min(mma.Current.Y, mma.Start.Y);
SelectionRect.Width = System.Math.Abs(mma.Current.X - mma.Start.X);
SelectionRect.Height = System.Math.Abs(mma.Current.Y - mma.Start.Y);
//attempt to activate the one clicked on
//ActivateMouseover(mma);
return(refVirtualDomain.OnSelectImageGroup(SelectionRect));
}
private void ShowContextMenu(MouseMoveArgs mma)
{
//bring up the appropriate menu based on where we right-clicked
if (ActivateMouseover(mma))
{
if (RoomContextMenu != null)
{
RoomContextMenu(this, null);
}
}
else
{
if (WorkspaceContextMenu != null)
{
WorkspaceContextMenu(this, null);
}
}
}
public void ConnectRoom(MouseMoveArgs mma)
{
if (DeactivateDragLine != null)
{
DeactivateDragLine(this, null);
}
//if we are over another image, attach the connection to that
if (HilightMouseover(mma))
{
//connect
State = MouseStates.Hover;
refHoveredNode.SetTarget(refHoveredImage);
RoomConnectionArgs args = new RoomConnectionArgs(refHoveredNode.Source.RoomName,
refHoveredImage.RoomName,
refHoveredNode.Direction,
ConnectionType.Connect);
if (SetConnection != null)
{
SetConnection(this, args);
}
}
else
{
//disconnect
State = MouseStates.Normal;
RoomConnectionArgs args = new RoomConnectionArgs(refHoveredNode.Source.RoomName,
refHoveredNode.Target.RoomName,
refHoveredNode.Direction,
ConnectionType.Disconnect);
refHoveredNode.SetTarget(null);
if (RemoveConnection != null)
{
RemoveConnection(this, args);
}
}
}
private void MoveSelectedImages(MouseMoveArgs mma)
{
refVirtualDomain.MoveSelectedImages(new Point(mma.Current.X - mma.Offset.X, mma.Current.Y - mma.Offset.Y));
}
private bool PointInGroup(MouseMoveArgs mma)
{
return(refVirtualDomain.IsPointInSelectionGroup(mma.Current.X, mma.Current.Y));
}
private bool ActivateMouseover(MouseMoveArgs mma)
{
return(refVirtualDomain.OnActivateImage(mma.Current.X, mma.Current.Y));
}
private void DoAction(MouseActions mouseAction, MouseMoveArgs mma, MouseEvents triggeringEvent)
{
switch (mouseAction)
{
/*
* Normal
*/
case MouseActions.NormalOrHover:
{
if (NodeHover(mma))
{
State = MouseStates.NodeHover;
PrevState = State;
PrevStateAction = mouseAction;
break;
}
if (HilightMouseover(mma))
{
State = MouseStates.Hover;
}
else
{
State = MouseStates.Normal;
}
PrevState = State;
PrevStateAction = mouseAction;
break;
}
case MouseActions.Activate:
{
if (ActivateMouseover(mma))
{
State = MouseStates.DraggingImage;
}
else
{
State = MouseStates.Normal;
}
break;
}
case MouseActions.MoveImage:
{
//state stays as MouseState.DraggingImage
//MoveSelectedImages(mma);
//if(mma.Current.X > this.refViewPort.ViewWidth + Globals.ImageBoxProperties.width)
// {
// //if the mouse is within within the 'auto scroll margin'
// //we stay in that state and calculate any movement
// State = MouseStates.AutoDragging;
// AutoScrollSelectedImage(mma);
// }
//else{
// //otherwise go back to regular image draging
// State = MouseStates.DraggingImage;
MoveSelectedImages(mma);
// }
break;
}
case MouseActions.EnterHover:
{
State = MouseStates.Hover;
PrevState = State;
PrevStateAction = mouseAction;
break;
}
case MouseActions.EnterNormal:
{
State = MouseStates.Normal;
PrevState = State;
PrevStateAction = mouseAction;
break;
}
case MouseActions.EnterPreviousMode:
{
State = PrevState;
this.DoAction(PrevStateAction, mma, triggeringEvent);
break;
}
case MouseActions.EnterGroupMode:
{
State = MouseStates.GroupMode;
PrevState = State;
PrevStateAction = mouseAction;
break;
}
case MouseActions.Context:
{
PrevState = State;
State = MouseStates.ContextMenu;
PrevState = State;
PrevStateAction = mouseAction;
ShowContextMenu(mma);
break;
}
case MouseActions.DragRect:
{
if (ActivateSelectionRect != null)
{
ActivateSelectionRect(this, mma);
}
State = MouseStates.DraggingSelectionRect;
//hilight ones in selection rect
SelectGroup(mma);
break;
}
case MouseActions.DragLine:
{
if (ActivateDragLine != null)
{
ActivateDragLine(this, mma);
}
State = MouseStates.DraggingLine;
break;
}
case MouseActions.EndDragLine:
{
ConnectRoom(mma);
break;
}
case MouseActions.SelectGroup:
{
if (DeactivateSelectionRect != null)
{
DeactivateSelectionRect(this, null);
}
if (SelectGroup(mma))
{
State = MouseStates.GroupMode;
}
else
{
State = MouseStates.Normal;
}
PrevState = State;
PrevStateAction = mouseAction;
break;
}
case MouseActions.GrabGroup:
{
if (PointInGroup(mma))
{
State = MouseStates.DraggingGroup;
}
else
{
//if we didn't select an object in the group, we can still see
//if anything was at least activated
if (HilightMouseover(mma))
{
State = MouseStates.Hover;
if (ActivateMouseover(mma))
{
State = MouseStates.DraggingImage;
}
}
else
{
State = MouseStates.DraggingSelectionRect;
}
}
break;
}
case MouseActions.MoveGroup:
{
//state stays MouseStates.DraggingGroup
MoveSelectedImages(mma);
break;
}
case MouseActions.DeselctAndContext:
{
DeselectGroup();
State = MouseStates.ContextMenu;
ShowContextMenu(mma);
break;
}
case MouseActions.AutoDrag:
{
if (mma.Current.X > this.refViewPort.ViewWidth + Globals.ImageBoxProperties.width)
{
//if the mouse is within within the 'auto scroll margin'
//we stay in that state and calculate any movement
State = MouseStates.AutoDragging;
AutoScrollSelectedImage(mma);
}
else
{
//otherwise go back to regular image draging
State = MouseStates.DraggingImage;
MoveSelectedImages(mma);
}
break;
}
/*
* Alternate Modes
*/
case MouseActions.EnterAltMode:
{
State = MouseStates.AltMode;
PrevState = State;
PrevStateAction = mouseAction;
//DeselectGroup(); //no hovering in this mode, remove all hilights from imagboxes
break;
}
case MouseActions.EnterDraggingView:
{
State = MouseStates.DraggingView;
break;
}
case MouseActions.EnterDraggingViewGroup:
{
State = MouseStates.DraggingViewGroup;
break;
}
case MouseActions.MoveView:
{
//state stays MouseActions.DraggingView
//Keep in mind that we want the camera to move the opposite direction
//of the mouse so that the 'background' appears to move in sync with
//mouse. That's why we need to use negative offsets.
refVirtualDomain.MoveCamera((mma.Offset.X - mma.Current.X) / Globals.GUI.ViewDragSpeedModifier, (mma.Offset.Y - mma.Current.Y) / Globals.GUI.ViewDragSpeedModifier);
break;
}
case MouseActions.WheelViewVertically:
{
refVirtualDomain.MoveCamera(0, (-mma.Delta) / Globals.GUI.ViewDragSpeedModifier);
break;
}
case MouseActions.EnterShiftedMode:
{
State = MouseStates.ShiftMode;
PrevState = State;
PrevStateAction = mouseAction;
//DeselectGroup(); //no hovering in this mode, remove all hilights from imagboxes
break;
}
case MouseActions.WheelViewHorizontally:
{
refVirtualDomain.MoveCamera((-mma.Delta) / Globals.GUI.ViewDragSpeedModifier, 0);
break;
}
case MouseActions.EnterAltGroupMode:
{
State = MouseStates.AltGroupMode;
PrevState = State;
PrevStateAction = mouseAction;
break;
}
default:
{
break;
}
}
if (State == MouseStates.DraggingView)
{
refParent.Cursor = System.Windows.Forms.Cursors.NoMove2D;
}
else
{
refParent.Cursor = System.Windows.Forms.Cursors.Hand;
}
return;
}