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艾竹
2023-01-22 21:46:59 +08:00
parent ad227aee0c
commit 4c37fb9772
16 changed files with 371 additions and 122 deletions
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35
AIStudio.Wpf.DiagramDesigner/AttachedProperties/SelectionProps.cs
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@@ -43,33 +43,28 @@ namespace AIStudio.Wpf.DiagramDesigner
static void Fe_PreviewMouseDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
SelectableDesignerItemViewModelBase selectableDesignerItemViewModelBase =
(SelectableDesignerItemViewModelBase)((FrameworkElement)sender).DataContext;
if(selectableDesignerItemViewModelBase != null && selectableDesignerItemViewModelBase.IsHitTestVisible)
if (((FrameworkElement)sender).DataContext is ISelectable selectable)
{
if ((Keyboard.Modifiers & (ModifierKeys.Shift | ModifierKeys.Control)) != ModifierKeys.None)
if (selectable.IsHitTestVisible)
{
if ((Keyboard.Modifiers & (ModifierKeys.Shift)) != ModifierKeys.None)
if ((Keyboard.Modifiers & (ModifierKeys.Shift | ModifierKeys.Control)) != ModifierKeys.None)
{
selectableDesignerItemViewModelBase.IsSelected = !selectableDesignerItemViewModelBase.IsSelected;
}
if ((Keyboard.Modifiers & (ModifierKeys.Shift)) != ModifierKeys.None)
{
selectable.IsSelected = !selectable.IsSelected;
}
if ((Keyboard.Modifiers & (ModifierKeys.Control)) != ModifierKeys.None)
if ((Keyboard.Modifiers & (ModifierKeys.Control)) != ModifierKeys.None)
{
selectable.IsSelected = !selectable.IsSelected;
}
}
else if (!selectable.IsSelected)
{
selectableDesignerItemViewModelBase.IsSelected = !selectableDesignerItemViewModelBase.IsSelected;
selectable.AddToSelection(true);
}
}
else if (!selectableDesignerItemViewModelBase.IsSelected)
{
foreach (SelectableDesignerItemViewModelBase item in selectableDesignerItemViewModelBase.Parent.SelectedItems)
item.IsSelected = false;
selectableDesignerItemViewModelBase.Parent.SelectedItems.Clear();
//selectableDesignerItemViewModelBase.IsSelected = true;
selectableDesignerItemViewModelBase.Parent.SelectionService.AddToSelection(selectableDesignerItemViewModelBase);
}
}
}
}
}
}