/// <summary>
/// Provides the base method for handling view events.
/// </summary>
/// <param name="sender">Event sender</param>
/// <param name="e">View event</param>
/// <param name="token">Cancellation token.</param>
protected virtual async Task OnViewEventsAsync(object sender, ViewEvent e, CancellationToken token = default)
{
if (e.IsChild() && (e.IsOpened(false) || e.IsClosed(false)))
{
Model.OpenInlineViews = OpenInlineViews;
}
await InvokeAsync(() => StateHasChanged());
}
/// <summary>
/// Handles child closing or change to refresh the list.
/// </summary>
/// <param name="childViewModel">Child view model that fired the original event</param>
/// <param name="e">Event object</param>
protected override void OnChildEvent(object childViewModel, ViewEvent e)
{
if (e.IsClosed() && List != null)
{
List.ClearSelectedRows();
List.FireCollectionChanged();
}
if (e.IsSaved() || e.IsDeleted())
{
Search(true);
}
base.OnChildEvent(childViewModel, e);
}
protected override void OnChildEvent(object sender, ViewEvent e)
{
ViewSelectionEvent selEvt = e as ViewSelectionEvent;
ViewModel child = sender as ViewModel;
if (selEvt != null && child != null && child.Params[ViewParams.QuerySource] == "lnkCustomerLookupLookUp")
{
lnkCustomerLookupLookUp_HandleResult(sender, selEvt.SelectedRows);
}
if (e.IsClosed() && child != null && child.Params[ViewParams.QuerySource] == "lnkDetailDetails")
{
this.obj.DetailList.ClearSelectedRows();
}
base.OnChildEvent(sender, e);
}
/// <summary>
/// Updates selection in the specified list object for a details open/close event
/// using the provided key property on the details view object.
/// </summary>
/// <param name="list">Data list object to update.</param>
/// <param name="keyChildProp">The key property on the child details view.</param>
/// <param name="e">Open/close event of the child details view.</param>
/// <returns></returns>
protected virtual bool UpdateListSelection(DataListObject list, DataProperty keyChildProp, ViewEvent e)
{
// Find key property in the list with the same name, as the key property in the child details object.
var keyListProp = list?.Properties?.Where(p => p.IsKey && p.Name == keyChildProp?.Name)?.FirstOrDefault();
if (keyListProp != null)
{
if (e.IsOpened())
{
list.SelectedRows = list.GetData().Where(r => Equals(keyListProp.GetValue(ValueFormat.Internal, r),
keyChildProp.InternalValue)).ToList();
}
else if (e.IsClosed())
{
list.ClearSelectedRows();
}
return(true);
}
return(false);
}
