public static bool HandleNodeInput(DragNode node, Event e, GraphCamera camera)
{
bool inputProcessed = false;
var mousePosition = e.mousePosition;
var mousePositionWorld = camera.ScreenToWorld(mousePosition);
int dragButton = 0;
// If the pins didn't already handle the input, then let the node handle it
if (!inputProcessed)
{
bool insideRect = node.Bounds.Contains(mousePositionWorld);
if (e.type == EventType.MouseDown && insideRect && e.button == dragButton)
{
node.IsDragging = true;
inputProcessed = true;
}
else if (e.type == EventType.MouseUp && insideRect && e.button == dragButton)
{
node.IsDragging = false;
}
}
if (node.IsDragging && !node.Selected)
{
node.IsDragging = false;
}
if (node.IsDragging && e.type == EventType.MouseDrag)
{
inputProcessed = true;
}
return(inputProcessed);
}
bool SetSelectedState(DragNode node, bool selected)
{
bool stateChanged = (node.Selected != selected);
node.Selected = selected;
return(stateChanged);
}
protected virtual void BringToFront(DragNode node)
{
/// to do list
}
void HandleDrag(Event e)
{
int dragButton = 0;
int rightButton = 2;
if (e.button == rightButton && e.type == EventType.Layout)
{
foreach (var node in DragNodes())
{
node.MoveNode(e.delta);
}
}
if (draggingNodes)
{
if (e.type == EventType.MouseUp && e.button == dragButton)
{
draggingNodes = false;
}
else if (e.type == EventType.MouseDrag && e.button == dragButton)
{
// Drag all the selected nodes
foreach (var node in DragNodes())
{
if (node.Selected)
{
node.MoveNode(e.delta);
}
}
}
}
else
{
// Check if we have started to drag
if (e.type == EventType.MouseDown && e.button == dragButton)
{
// Find the node that was clicked below the mouse
DragNode mouseOverNode = HoverNode;
if (mouseOverNode != null && mouseOverNode.Selected)
{
draggingNodes = true;
}
}
}
DragNode hoverNode = HoverNode;
if (hoverNode != null)
{
var mouseNode = (hoverNode as BTNode.BTNode);
var commen = mouseNode.BtState.Notes;
if (!string.IsNullOrEmpty(commen))
{
var pos = mousePosition;
EditorGUI.LabelField(new Rect(pos, new Vector2(100, 30)), commen);
}
}
}
void HandleSelect(Event e)
{
// Update the node selected flag
var buttonId = 0;
if (e.type == EventType.MouseDown && e.button == buttonId)
{
bool multiSelect = keyboardState.ShiftPressed;
bool toggleSelect = keyboardState.ControlPressed;
// sort the nodes front to back
DragNode[] sortedNodes = DragNodes();
// System.Array.Sort(sortedNodes, new NodeReversedZIndexComparer());
DragNode mouseOverNode = HoverNode;
foreach (var node in sortedNodes)
{
var mouseOver = (node.Equals(mouseOverNode));
if (mouseOverNode != null && mouseOverNode.Selected && !toggleSelect)
{
// multiSelect = true; // select multi-select so that we can drag multiple objects
}
if (multiSelect || toggleSelect)
{
if (mouseOver && multiSelect)
{
node.Selected = true;
}
else if (mouseOver && toggleSelect)
{
node.Selected = !node.Selected;
}
}
else
{
node.Selected = mouseOver;
if (mouseOverNode != null)
{
OnSelectNode(mouseOverNode);
}
}
if (node.Selected)
{
BringToFront(node);
}
}
if (mouseOverNode == null)
{
// No nodes were selected
Selection.activeObject = null;
}
OnNodeSelectionChanged();
}
}
protected virtual void OnSelectNode(DragNode node)
{
node.OnSelected();
}
public abstract void OnClickNode(DragNode targetNode);
