private bool Validate(IDock sourceDock, IDock targetDock, object sender, DragEventArgs e, bool bExecute)
{
var point = DropHelper.GetPosition(sender, e);
if (sourceDock != targetDock && sourceDock.Factory is IDockFactory factory)
{
if (e.DragEffects == DragDropEffects.Copy)
{
if (bExecute)
{
// TODO: Clone layout and insert into Views collection.
}
return(true);
}
else if (e.DragEffects == DragDropEffects.Move)
{
if (bExecute)
{
factory.Move(sourceDock, targetDock);
}
return(true);
}
else if (e.DragEffects == DragDropEffects.Link)
{
if (bExecute)
{
factory.Swap(sourceDock, targetDock);
}
return(true);
}
}
return(false);
}
/// <inheritdoc/>
public bool Validate(object sender, DragEventArgs e, object sourceContext, object targetContext, object state)
{
if (state is DockOperation operation && sourceContext is IView sourceView && targetContext is IView targetView)
{
_manager.Position = ToDockPoint(DropHelper.GetPosition(sender, e));
_manager.ScreenPosition = ToDockPoint(DropHelper.GetPositionScreen(sender, e));
Logger.Log($"Validate [{Id}]: {sourceView.Title} -> {targetView.Title} [{operation}] [{_manager.Position}] [{_manager.ScreenPosition}]");
return(_manager.Validate(sourceView, targetView, ToDragAction(e), operation, false));
}
return(false);
}
private bool Validate(IDock layout, object context, object sender, DragEventArgs e, bool bExecute)
{
var point = DropHelper.GetPosition(sender, e);
switch (sender)
{
case TabStrip strip:
return(ValidateTabStrip(layout, e, bExecute, strip));
case DockPanel panel:
return(ValidateDockPanel(layout, e, bExecute, panel));
}
if (e.Data.Get(DragDataFormats.Parent) is TabStripItem item)
{
var strip = item.Parent as TabStrip;
if (strip.DataContext is IDock container)
{
if (bExecute)
{
int itemIndex = strip.ItemContainerGenerator.IndexFromContainer(item);
var position = DropHelper.GetPositionScreen(sender, e);
// WIP: This is work in progress.
//var splitLayout = container.SplitLayout(context, SplitDirection.Left);
//layout.ReplaceView(container, splitLayout);
var window = layout.CurrentView.CreateWindow(container, itemIndex, context);
window.X = position.X;
window.Y = position.Y;
window.Width = 300;
window.Height = 400;
window.Id = "Dock";
window.Title = "Dock";
window.Layout.Title = "Dock";
window.Present(false);
return(true);
}
return(true);
}
}
return(false);
}
/// <inheritdoc/>
public bool Execute(object sender, DragEventArgs e, object sourceContext, object targetContext, object state)
{
if (_executed == false && state is DockOperation operation && sourceContext is IView sourceView && targetContext is IView targetView)
{
_manager.Position = ToDockPoint(DropHelper.GetPosition(sender, e));
_manager.ScreenPosition = ToDockPoint(DropHelper.GetPositionScreen(sender, e));
Logger.Log($"Execute [{Id}]: {sourceView.Title} -> {targetView.Title} [{operation}] [{_manager.Position}] [{_manager.ScreenPosition}]");
bool bResult = _manager.Validate(sourceView, targetView, ToDragAction(e), operation, true);
if (bResult == true)
{
Logger.Log($"Executed [{Id}]: {sourceView.Title} -> {targetView.Title} [{operation}] [{_manager.Position}] [{_manager.ScreenPosition}]");
_executed = true;
return(true);
}
return(false);
}
return(false);
}