/// <summary>
/// Fired after the node editor events
/// </summary>
public override void AfterEditorEvents()
{
CheckActivation();
if (!IsActivated)
{
return;
}
if (!Event.current.IsLeftClickEvent())
{
return;
}
if (Event.current.modifiers != EventModifiers.None)
{
return;
}
Node clickedNode = NodeEditor.GetNodeUnderMouse();
Connector clickedConnector = NodeEditor.GetNodeConnectorUnderMouse();
if (clickedNode == null && clickedConnector == null)
{
NodeEditor.UnselectAll();
NodeEditor.RaiseSelectionChanged();
NodeEditor.FlagRepaint();
}
}
/// <summary>
/// Performs the drags before the other editor events
///
/// This should be called after any node select modes
/// </summary>
public override void BeforeEditorEvents()
{
if (Event.current.button != 0)
{
return;
}
if (NodeEditor.GetPreUsedEventType() == EventType.MouseDown)
{
Node node = NodeEditor.GetNodeUnderMouse();
wasMouseDownInSelectedNode = node != null && node.IsSelected();
CheckActivation();
}
if (!IsActivated)
{
return;
}
if (Event.current.type == EventType.MouseDrag)
{
HandleMouseMove();
}
else if (Event.current.type == EventType.MouseUp ||
Event.current.type == EventType.MouseLeaveWindow)
{
Deactivate();
}
}
/// <summary>
/// Handles checking for clicked nodes
/// </summary>
public override void BeforeEditorEvents()
{
CheckActivation();
if (!IsActivated)
{
return;
}
if (Event.current.IsLeftClickEvent())
{
Node selectedNode = NodeEditor.GetNodeUnderMouse();
if (selectedNode == null || !IsNodeValid(selectedNode))
{
return;
}
MakeConnection(selectedNode);
}
else if (Event.current.IsRightClickEvent())
{
if (startNode != null)
{
NodeEditor.RemoveConnector(connection);
startNode = null;
connection = null;
}
}
}
/// <summary>
/// Checks if the node is a valid context menu receiving node
/// and displays its context menu
/// </summary>
/// <returns>True if context menu should be displayed, false if not</returns>
protected override bool ShouldActivate()
{
if (!Event.current.IsRightClickEvent())
{
return(false);
}
Node nodeUnderMouse = NodeEditor.GetNodeUnderMouse();
return(nodeUnderMouse != null && nodeUnderMouse.HasContextMenu);
}
/// <summary>
/// Shows the menu
/// </summary>
protected override void OnActivated()
{
Node nodeUnderMouse = NodeEditor.GetNodeUnderMouse();
if (nodeUnderMouse.IsSelectable && !nodeUnderMouse.IsSelected())
{
NodeEditor.UnselectAll();
nodeUnderMouse.Select();
}
UpdateActiveMenu(nodeUnderMouse.ContextMenu, nodeUnderMouse);
Event.current.Use();
}
/// <summary>
/// Checks for a destination node to attach the active connections to
/// </summary>
public override void BeforeEditorEvents()
{
if (!IsActivated)
{
return;
}
if (Event.current.IsRightClickEvent())
{
Cancel();
return;
}
NodeEditor.FlagRepaint();
if (!Event.current.IsLeftClickEvent())
{
return;
}
Node selectedNode = NodeEditor.GetNodeUnderMouse();
if (!IsNodeValid(selectedNode))
{
return;
}
for (int i = 0; i < newConnections.Count; i++)
{
Connector connector = newConnections[i];
if (!IsConnectionValid(connector.GetStartNode(), selectedNode))
{
NodeEditor.RemoveConnector(connector);
newConnections.RemoveAt(i);
continue;
}
connector.RemoveNode(NodeEditor.MouseNode);
connector.AddNode(selectedNode);
}
if (newConnections.Count > 0)
{
RaiseOnConnectionsFinalized(newConnections);
}
Deactivate();
}
/// <summary>
/// Checks for node selection before the editor processes the
/// left-clicks
/// </summary>
public override void BeforeEditorEvents()
{
CheckActivation();
if (!IsActivated)
{
return;
}
if (Event.current.type != EventType.MouseDown ||
Event.current.button != 0)
{
return;
}
bool multiSelectActive = Event.current.modifiers == EventModifiers.Control ||
Event.current.modifiers == EventModifiers.Shift;
Node clickedNode = NodeEditor.GetNodeUnderMouse();
if (clickedNode == null)
{
return;
}
if (!clickedNode.IsSelectable)
{
return;
}
bool isNodeSelected = clickedNode.IsSelected();
if (!multiSelectActive)
{
if (!isNodeSelected)
{
NodeEditor.UnselectAll();
clickedNode.Select();
}
}
else
{
clickedNode.ToggleSelected();
}
NodeEditor.RaiseSelectionChanged();
NodeEditor.FlagRepaint();
Event.current.Use();
}
