Ejemplo n.º 1
0
        private void OnselectionModelChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
        {
            if (e.PropertyName == "SelectedIndices")
            {
                bool oldValue   = IsSelected;
                var  groupIndex = GetGroupIndex();
                bool newValue   = groupIndex >= 0 ? SelectionModel.IsSelected(groupIndex, RepeatedIndex).Value : false;

                if (oldValue != newValue)
                {
                    IsSelected = newValue;

                    // AutomationEvents.PropertyChanged is used as a value that means dont raise anything
                    AutomationEvents eventToRaise =
                        oldValue ?
                        (SelectionModel.SingleSelect ? AutomationEvents.PropertyChanged : AutomationEvents.SelectionItemPatternOnElementRemovedFromSelection) :
                        (SelectionModel.SingleSelect ? AutomationEvents.SelectionItemPatternOnElementSelected : AutomationEvents.SelectionItemPatternOnElementAddedToSelection);

                    if (eventToRaise != AutomationEvents.PropertyChanged && AutomationPeer.ListenerExists(eventToRaise))
                    {
                        var peer = FrameworkElementAutomationPeer.CreatePeerForElement(this);
                        peer.RaiseAutomationEvent(eventToRaise);
                    }
                }
            }
        }
Ejemplo n.º 2
0
        protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
        {
            if (SelectionModel != null)
            {
                if (Keyboard.Modifiers.HasFlag(ModifierKeys.Shift) && !SelectionModel.SingleSelect)
                {
                    if (Keyboard.Modifiers.HasFlag(ModifierKeys.Control))
                    {
                        SelectionModel.DeselectRangeFromAnchor(RepeatedIndex);
                    }
                    else
                    {
                        SelectionModel.SelectRangeFromAnchor(RepeatedIndex);
                    }
                }
                else if (Keyboard.Modifiers.HasFlag(ModifierKeys.Control))
                {
                    if (SelectionModel.IsSelected(RepeatedIndex).Value)
                    {
                        SelectionModel.Deselect(RepeatedIndex);
                    }
                    else
                    {
                        SelectionModel.Select(RepeatedIndex);
                    }
                }
                else
                {
                    SelectionModel.Select(RepeatedIndex);
                    this.Focus();
                }
            }

            base.OnMouseLeftButtonDown(e);
        }