public void OnSearchElementClicked(NodeModel nodeModel, Point position)
{
bool useDeafultPosition = position.X == 0 && position.Y == 0;
dynamoViewModel.ExecuteCommand(new DynamoModel.CreateNodeCommand(
nodeModel, position.X, position.Y, useDeafultPosition, true));
OnRequestFocusSearch();
}
private void ExecuteElement(CustomNodeSearchElement element)
{
string name = element.Guid.ToString();
// create node
var guid = Guid.NewGuid();
dynamoViewModel.ExecuteCommand(
new DynamoModel.CreateNodeCommand(guid, name, 0, 0, true, true));
// select node
var placedNode = dynamoViewModel.Model.Nodes.Find((node) => node.GUID == guid);
if (placedNode != null)
{
DynamoSelection.Instance.ClearSelection();
DynamoSelection.Instance.Selection.Add(placedNode);
}
}
internal bool HandlePortClicked(PortViewModel portViewModel)
{
// We only entertain port clicking when the current state is idle,
// or when it is already having a connector being established.
if (currentState != State.None && (currentState != State.Connection))
{
return(false);
}
PortModel portModel = portViewModel.PortModel;
DynamoViewModel dynamoViewModel = dynSettings.Controller.DynamoViewModel;
WorkspaceViewModel workspaceViewModel = dynamoViewModel.CurrentSpaceViewModel;
if (this.currentState != State.Connection) // Not in a connection attempt...
{
PortType portType = PortType.INPUT;
Guid nodeId = portModel.Owner.GUID;
int portIndex = portModel.Owner.GetPortIndex(portModel, out portType);
dynamoViewModel.ExecuteCommand(new DynCmd.MakeConnectionCommand(
nodeId, portIndex, portType, DynCmd.MakeConnectionCommand.Mode.Begin));
if (owningWorkspace.IsConnecting)
{
this.currentState = State.Connection;
}
}
else // Attempt to complete the connection
{
PortType portType = PortType.INPUT;
Guid nodeId = portModel.Owner.GUID;
int portIndex = portModel.Owner.GetPortIndex(portModel, out portType);
dynamoViewModel.ExecuteCommand(new DynCmd.MakeConnectionCommand(
nodeId, portIndex, portType, DynCmd.MakeConnectionCommand.Mode.End));
this.currentState = State.None;
}
return(true);
}
internal bool HandleMouseMove(object sender, Point mouseCursor)
{
if (this.currentState == State.Connection)
{
// If we are currently connecting and there is an active
// connector, redraw it to match the new mouse coordinates.
owningWorkspace.UpdateActiveConnector(mouseCursor);
}
else if (this.currentState == State.WindowSelection)
{
// When the mouse is held down, reposition the drag selection box.
double x = Math.Min(mouseDownPos.X, mouseCursor.X);
double y = Math.Min(mouseDownPos.Y, mouseCursor.Y);
double width = Math.Abs(mouseDownPos.X - mouseCursor.X);
double height = Math.Abs(mouseCursor.Y - mouseDownPos.Y);
// We perform cross selection (i.e. select a node whenever
// it touches the selection box as opposed to only select
// it when it is entirely within the selection box) when
// mouse moves in the opposite direction (i.e. the current
// mouse position is smaller than the point mouse-down
// happened).
//
bool isCrossSelection = mouseCursor.X < mouseDownPos.X;
SelectionBoxUpdateArgs args = null;
args = new SelectionBoxUpdateArgs(x, y, width, height);
args.SetSelectionMode(isCrossSelection);
this.owningWorkspace.RequestSelectionBoxUpdate(this, args);
var rect = new Rect(x, y, width, height);
var command = new DynCmd.SelectInRegionCommand(rect, isCrossSelection);
DynamoViewModel dynamoViewModel = dynSettings.Controller.DynamoViewModel;
dynamoViewModel.ExecuteCommand(command);
}
else if (this.currentState == State.DragSetup)
{
// There are something in the selection, but none is ILocatable.
if (!DynamoSelection.Instance.Selection.Any((x) => (x is ILocatable)))
{
SetCurrentState(State.None);
return(false);
}
// Record and begin the drag operation for selected nodes.
var operation = DynCmd.DragSelectionCommand.Operation.BeginDrag;
var command = new DynCmd.DragSelectionCommand(mouseCursor, operation);
DynamoViewModel dynamoViewModel = dynSettings.Controller.DynamoViewModel;
dynamoViewModel.ExecuteCommand(command);
SetCurrentState(State.NodeReposition);
return(true);
}
else if (this.currentState == State.NodeReposition)
{
// Update the dragged nodes (note: this isn't recorded).
owningWorkspace.UpdateDraggedSelection(mouseCursor);
}
return(false); // Mouse event not handled.
}
private void DeleteNodeAndItsConnectors(object parameter)
{
var command = new DynamoModel.DeleteModelCommand(nodeLogic.GUID);
DynamoViewModel.ExecuteCommand(command);
}
public void OnSearchElementClicked(NodeModel nodeModel)
{
dynamoViewModel.ExecuteCommand(new DynamoModel.CreateNodeCommand(nodeModel, 0, 0, true, true));
}