public void TestSelectInRegionCommand()
{
Rect region = new Rect(
randomizer.NextDouble() * 100,
randomizer.NextDouble() * 100,
randomizer.NextDouble() * 100,
randomizer.NextDouble() * 100);
bool isCrossSelection = randomizer.Next(2) == 0;
var cmdOne = new DynCmd.SelectInRegionCommand(region, isCrossSelection);
var cmdTwo = DuplicateAndCompare(cmdOne);
Assert.AreEqual(cmdOne.Region.X, cmdTwo.Region.X, 0.000001);
Assert.AreEqual(cmdOne.Region.Y, cmdTwo.Region.Y, 0.000001);
Assert.AreEqual(cmdOne.Region.Width, cmdTwo.Region.Width, 0.000001);
Assert.AreEqual(cmdOne.Region.Height, cmdTwo.Region.Height, 0.000001);
Assert.AreEqual(cmdOne.IsCrossSelection, cmdTwo.IsCrossSelection);
}
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.
}
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.
}