private void Parent_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName.Equals(DocumentsList.IsLongPressEnabledProperty.PropertyName))
{
MultiGesturesEffect.SetLongPressedCommand(MainItemGrid, (Parent.IsLongPressEnabled) ? ItemLongPressedCommand : null);
}
}
public DocumentItem(DocumentsList parent, DocumentItemData itemData)
{
Parent = parent;
ItemData = itemData;
Parent.PropertyChanged += Parent_PropertyChanged;
ItemLongPressedCommand = new Command(execute: (e) =>
{
DocumentItemData currentItemData = e as DocumentItemData;
Parent.OnItemLongPressed(currentItemData);
});
ItemTappedCommand = new Command(execute: (e) =>
{
DocumentItemData currentItemData = e as DocumentItemData;
// Change item selection state/color
if (currentItemData != null && Parent.SelectionMode != SelectionMode.None)
{
if (Parent.SelectionMode == SelectionMode.Single)
{
ObservableCollection <DocumentItemData> items = Parent.ItemsSource;
var selectedItems = items.Where(item => item.IsSelected);
if (selectedItems != null && selectedItems.Count() > 0)
{
// Unselect all other items
foreach (DocumentItemData item in selectedItems)
{
if (item != currentItemData)
{
item.IsSelected = false;
}
}
}
}
currentItemData.IsSelected = !currentItemData.IsSelected;
}
// Fire ItemTapped event
Parent.OnItemTapped(currentItemData);
});
// Initialize
InitializeComponent();
MultiGesturesEffect.SetLongPressedCommand(MainItemGrid, (Parent.IsLongPressEnabled) ? ItemLongPressedCommand : null);
}
