public void AddPropertyFields(string headerText = null)
{
if (DataObject == null) return;
ContentItems.Clear();
var ps = DataObject.GetPropertiesWithAttribute<InspectorProperty>().ToArray();
if (ps.Length < 1) return;
if (!string.IsNullOrEmpty(headerText))
ContentItems.Add(new SectionHeaderViewModel()
{
Name = headerText,
});
var data = DataObject;
foreach (var property in ps)
{
PropertyInfo property1 = property.Key;
var vm = new PropertyFieldViewModel()
{
Type = property.Key.PropertyType,
Name = property.Key.Name,
InspectorType = property.Value.InspectorType,
CustomDrawerType = property.Value.CustomDrawerType,
Getter = () => property1.GetValue(data, null),
DataObject = data,
Setter = (d,v) =>
{
property1.SetValue(d, v, null);
}
};
ContentItems.Add(vm);
}
IsDirty = true;
}
private async Task ExecuteLoadDocumentsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
ContentItems.Clear();
var contentItems = await DataStore.GetContentItemsAsync(true);
ContentItems.ReplaceRange(contentItems);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
MessagingCenter.Send(new MessagingCenterAlert
{
Title = "Error",
Message = "Unable to load content items.",
Cancel = "OK"
}, "message");
}
finally
{
IsBusy = false;
}
}
/// <summary>
/// Clear the collection
/// </summary>
public void Clear()
{
if (ContentItems != null && FilteredItems != null)
{
ContentItems.Clear();
FilteredItems.Clear();
}
}
/// <summary>
/// Remove all content from the collection
/// </summary>
public void Clear()
{
if (Loaded)
{
throw new InvalidOperationException("Cannot clear content while the ContentCollection is loaded");
}
ContentItems.Clear();
}
protected override void CreateContent()
{
ContentItems.Clear();
}