private void BuildPinList()
{
if (pinListView == null)
{
return;
}
pinListView.Items.Clear();
// Set a global 'Centre' pin
pinListView.Items.Add(new ListViewItem("Page Centre")
{
Tag = InfoPin.Centre()
});
// Read current pins and fill in the list box
var pins = _canvas.AllPins().OrderBy(p => p?.Description);
foreach (var pin in pins)
{
if (pin?.Description == null)
{
continue;
}
pinListView.Items.Add(new ListViewItem(pin.Description)
{
Tag = pin
});
}
}
public PinsOverlay()
{
InitializeComponent();
if (existingPinList?.Items == null)
{
return;
}
existingPinList.Items.Add(new ListViewItem
{
Tag = InfoPin.Centre(),
Content = "Page Centre"
});
// This crazyness is required to allow us to deselect items in the list.
existingPinList.SelectionMode = ListViewSelectionMode.Extended;
existingPinList.DoubleTapped += ExistingPinList_DoubleTapped;
existingPinList.SelectionChanged += ExistingPinList_SelectionChanged;
}
private void ReloadPins()
{
if (existingPinList?.Items == null || _storage == null)
{
return;
}
Result <InfoPin[]> pinResult;
try
{
pinResult = _storage.ReadAllPins();
}
catch (Exception ex)
{
existingPinList.Dispatcher?.RunAsync(CoreDispatcherPriority.Normal, () =>
{
existingPinList.Items.Clear();
existingPinList.Items.Add(new ListViewItem
{
Tag = null,
Content = "Loading pins from DB failed: " + ex.Message
});
});
return;
}
if (pinResult.IsFailure)
{
return;
}
var pins = pinResult.ResultData?.OrderBy(p => p?.Description);
if (pins == null)
{
return;
}
existingPinList.Dispatcher?.RunAsync(CoreDispatcherPriority.Normal, () =>
{
existingPinList.Items.Clear();
existingPinList.Items.Add(new ListViewItem
{
Tag = InfoPin.Centre(),
Content = "Page Centre"
});
foreach (var pin in pins)
{
if (pin == null)
{
continue;
}
existingPinList.Items.Add(new ListViewItem
{
Tag = pin,
Content = pin.Description
});
}
});
}