private void ProcessViewPropertyChanged(View view, object value, bool bForce = false)
{
try
{
var link = ViewToModelLinks[view];
if (link == null)
{
return;
}
if (link.Property.CanWrite)
{
var old = link.Property.GetValue(link.Object);
if (!Equals(old, value) || bForce)
{
lock (LastViewValues)
{
if (LastViewValues.ContainsKey(link.ID))
{
LastViewValues[link.ID] = value;
}
else
{
LastViewValues.Add(link.ID, value);
}
}
link.Property.SetValue(link.Object, value);
UserChangedProperty?.Invoke(view, new UserChangedPropertyEventArgs(link.Object, link.Property.Name, old, value));
}
}
}
catch (Exception ex)
{
xLog.Error(ex);
}
}
private void DoWriteQueToView_func(List <KeyValuePair <ViewLink, object> > que)
{
xLog.Debug("start write " + que.Count + " values to view");
int iDone = 0;
IsWritingToView = true;
foreach (var kv in que)
{
try
{
var view = kv.Key.View;
var prop = kv.Key.Property;
object newVal = kv.Value;
if (prop.Name == nameof(View.Visibility))
{
if (newVal is bool)
{
newVal = (bool)newVal == true ? ViewStates.Visible : ViewStates.Gone;
}
else if (newVal is int)
{
newVal = (int)newVal > 0 ? ViewStates.Visible : ViewStates.Gone;
}
}
if (newVal is DateTime)
{
newVal = ((DateTime)newVal).ToShortDateString();
}
else if (newVal is TimeSpan)
{
newVal = ((TimeSpan)newVal).ToString(@"hh\:mm");
}
if (!Equals(prop.GetValue(view), newVal))
{
if (prop.CanWrite)
{
if (view is EditText && ViewToModelLinks.ContainsKey(view))
{
var cLinkId = ViewToModelLinks[view].ID;
if (LastViewValues.ContainsKey(cLinkId) && !Equals(prop.GetValue(view), LastViewValues[cLinkId]))
{
if (sys.Debugmode && Activity != null)
{
Toast.MakeText(Activity, DateTime.Now.ToString("HH:mm:ss.fff") + " ignore value: " + newVal.ToString(), ToastLength.Short).Show();
}
continue;
}
}
int iPos = -1;
if (view is EditText)
{
iPos = (view as EditText).SelectionStart;
}
if (view is AutoCompleteTextView && nameof(AutoCompleteTextView.Text).Equals(prop.Name))
{
(view as AutoCompleteTextView).SetText((string)newVal, false);
}
else
{
prop.SetValue(view, newVal);
}
iDone++;
if (view is EditText)
{
if (iPos > 0)// && (view as EditText).Selected)
{
(view as EditText).SetSelection(Math.Min(iPos, newVal.ToString().Length));
}
/*else if (!(view as EditText).Selected)
* Toast.MakeText(Activity, "not selected", ToastLength.Short).Show();
* else
* Toast.MakeText(Activity, "other reason", ToastLength.Short).Show();*/
}
}
else if (view is Spinner)
{
switch (prop.Name)
{
case nameof(Spinner.SelectedItemPosition):
(view as Spinner).SetSelection((int)newVal);
iDone++;
break;
default:
throw new NotImplementedException("only SelectedItemPosition can be bound with a Spinner");
}
}
}
}
catch (Exception ex)
{
sys.LogException(ex);
}
}
IsWritingToView = false;
xLog.Debug("writing finished, {iDone} values changed");
}
