private void UpdateLoader(BusyInfo info)
{
lock (_lockObject)
{
info.Depth++;
}
if (info.BusyViewModel == null || info.BusyIndicator == null)
{
return;
}
Type indicatorType = info.BusyIndicator.GetType();
PropertyInfo content = indicatorType.GetProperty("BusyContent");
if (content == null)
{
ContentPropertyAttribute contentProperty = indicatorType.GetAttributes <ContentPropertyAttribute>(true)
.FirstOrDefault();
if (contentProperty == null)
{
return;
}
content = indicatorType.GetProperty(contentProperty.Name);
}
content.SetValue(info.BusyIndicator, info.BusyViewModel, null);
}
/// <summary>
/// Updates the indicator.
/// </summary>
/// <param name="info">The info.</param>
protected virtual void UpdateIndicator(BusyInfo info)
{
lock (IndicatorLock)
{
info.Depth++;
}
if (info.BusyViewModel == null || info.BusyIndicator == null)
{
return;
}
var indicatorType = info.BusyIndicator.GetType();
var content = indicatorType.GetProperty("BusyContent");
if (content == null)
{
var contentProperty = indicatorType.GetAttributes <ContentPropertyAttribute>(true)
.FirstOrDefault();
if (contentProperty == null)
{
return;
}
content = indicatorType.GetProperty(contentProperty.Name);
}
content.SetValue(info.BusyIndicator, info.BusyViewModel, null);
}
/// <summary>
/// Called when no busy indicator can be found.
/// </summary>
/// <param name="sourceViewModel">The source view model.</param>
/// <param name="busyViewModel">The busy view model.</param>
protected virtual void NoBusyIndicatorFound(object sourceViewModel, object busyViewModel)
{
var activator = busyViewModel as IActivate;
if (activator == null)
{
return;
}
activator.Activated += (s, e) => {
if (!e.WasInitialized)
{
return;
}
var info = new BusyInfo {
BusyViewModel = busyViewModel
};
Indicators[sourceViewModel] = info;
UpdateIndicator(info);
};
Log.Warn("No busy indicator was found in the UI hierarchy. Using modal dialog.");
WindowManager.ShowDialog(busyViewModel, null);
}
public void HandleBusyInfo(BusyInfo busyInfo)
{
if (!string.IsNullOrEmpty(busyInfo.Message))
{
IsBusy = true;
BusyMessage = busyInfo.Message;
}
else
{
IsBusy = false;
}
}
/// <summary>
/// Called when the busy indicator is found.
/// </summary>
/// <param name="sourceViewModel">The source view model.</param>
/// <param name="busyViewModel">The busy view model.</param>
/// <param name="busyIndicator">The busy indicator.</param>
protected virtual void BusyIndicatorFound(object sourceViewModel, object busyViewModel, UIElement busyIndicator)
{
var info = new BusyInfo {
BusyIndicator = busyIndicator,
BusyViewModel = busyViewModel
};
Indicators[sourceViewModel] = info;
ToggleBusyIndicator(info, true);
UpdateIndicator(info);
}
public void MarkAsBusy(object sourceViewModel, object busyViewModel)
{
sourceViewModel = sourceViewModel ?? _defaultKey;
if (_loaders.ContainsKey(sourceViewModel))
{
BusyInfo info = _loaders[sourceViewModel];
info.BusyViewModel = busyViewModel;
UpdateLoader(info);
}
else
{
UIElement busyIndicator = TryFindBusyIndicator(sourceViewModel);
if (busyIndicator == null)
{
var notifier = busyViewModel as IActivate;
if (notifier == null)
{
return;
}
notifier.Activated += (o, e) =>
{
if (e.WasInitialized)
{
var info = new BusyInfo {
BusyViewModel = busyViewModel
};
_loaders[sourceViewModel] = info;
UpdateLoader(info);
}
};
Log.Warn("No busy indicator with name '" + BusyIndicatorName +
"' was found in the UI hierarchy. Using modal.");
_windowManager.ShowDialog(busyViewModel, null);
}
else
{
var info = new BusyInfo {
BusyIndicator = busyIndicator, BusyViewModel = busyViewModel
};
_loaders[sourceViewModel] = info;
ToggleBusyIndicator(info, true);
UpdateLoader(info);
}
}
}
public void MarkAsBusy(object sourceViewModel, object busyViewModel)
{
sourceViewModel = sourceViewModel ?? _defaultKey;
if (_loaders.ContainsKey(sourceViewModel))
{
BusyInfo info = _loaders[sourceViewModel];
info.BusyViewModel = busyViewModel;
UpdateLoader(info);
}
else
{
UIElement busyIndicator = TryFindBusyIndicator(sourceViewModel);
if (busyIndicator == null)
{
#if WP7
var ex = new CaliburnException("No busy indicator with name '" + BusyIndicatorName + "' was found in the UI hierarchy.");
Log.Error(ex);
throw ex;
#else
var notifier = busyViewModel as IActivate;
if (notifier == null)
return;
notifier.Activated += (o, e) =>
{
if (e.WasInitialized)
{
var info = new BusyInfo {BusyViewModel = busyViewModel};
_loaders[sourceViewModel] = info;
UpdateLoader(info);
}
};
Log.Warn("No busy indicator with name '" + BusyIndicatorName +
"' was found in the UI hierarchy. Using modal.");
_windowManager.ShowDialog(busyViewModel, null);
#endif
}
else
{
var info = new BusyInfo {BusyIndicator = busyIndicator, BusyViewModel = busyViewModel};
_loaders[sourceViewModel] = info;
ToggleBusyIndicator(info, true);
UpdateLoader(info);
}
}
}
public void MarkAsBusy(object sourceViewModel, object busyViewModel)
{
sourceViewModel = sourceViewModel ?? defaultKey;
if (loaders.ContainsKey(sourceViewModel))
{
var info = loaders[sourceViewModel];
info.BusyViewModel = busyViewModel;
UpdateLoader(info);
}
else
{
var busyIndicator = TryFindBusyIndicator(sourceViewModel);
if (busyIndicator == null)
{
var activator = busyViewModel as IActivate;
if (activator == null)
return;
activator.Activated += (s,e) =>{
if (!e.WasInitialized)
return;
var info = new BusyInfo { BusyViewModel = busyViewModel };
loaders[sourceViewModel] = info;
UpdateLoader(info);
};
Log.Warn("No busy indicator with name '" + BusyIndicatorName + "' was found in the UI hierarchy. Using modal.");
windowManager.ShowDialog(busyViewModel, null);
}
else
{
var info = new BusyInfo { BusyIndicator = busyIndicator, BusyViewModel = busyViewModel };
loaders[sourceViewModel] = info;
ToggleBusyIndicator(info, true);
UpdateLoader(info);
}
}
}
public void MarkAsBusy(object sourceViewModel, object busyViewModel)
{
sourceViewModel = sourceViewModel ?? _defaultKey;
if (_loaders.ContainsKey(sourceViewModel))
{
BusyInfo info = _loaders[sourceViewModel];
info.BusyViewModel = busyViewModel;
UpdateLoader(info);
}
else
{
UIElement busyIndicator = TryFindBusyIndicator(sourceViewModel);
if (busyIndicator == null)
{
var notifier = busyViewModel as IActivate;
if (notifier == null)
return;
notifier.Activated += (o, e) =>
{
if (e.WasInitialized)
{
var info = new BusyInfo { BusyViewModel = busyViewModel };
_loaders[sourceViewModel] = info;
UpdateLoader(info);
}
};
_windowManager.ShowDialog(busyViewModel, null);
}
else
{
var info = new BusyInfo { BusyIndicator = busyIndicator, BusyViewModel = busyViewModel };
_loaders[sourceViewModel] = info;
ToggleBusyIndicator(info, true);
UpdateLoader(info);
}
}
}
public void MarkAsNotBusy(object sourceViewModel)
{
sourceViewModel = sourceViewModel ?? _defaultKey;
if (!_loaders.ContainsKey(sourceViewModel))
{
return;
}
BusyInfo info = _loaders[sourceViewModel];
lock (_lockObject)
{
info.Depth--;
if (info.Depth == 0)
{
_loaders.Remove(sourceViewModel);
ToggleBusyIndicator(info, false);
}
}
}
private void ToggleBusyIndicator(BusyInfo info, bool isBusy)
{
if (info.BusyIndicator != null)
{
PropertyInfo busyProperty = info.BusyIndicator.GetType().GetProperty("IsBusy");
if (busyProperty != null)
{
busyProperty.SetValue(info.BusyIndicator, isBusy, null);
}
else
{
info.BusyIndicator.Visibility = isBusy ? Visibility.Visible : Visibility.Collapsed;
}
}
else if (!isBusy)
{
MethodInfo close = info.BusyViewModel.GetType().GetMethod("Close", Type.EmptyTypes);
if (close != null)
{
close.Invoke(info.BusyViewModel, null);
}
}
}
private static void ToggleBusyIndicator(BusyInfo info, bool isBusy)
{
if (info.BusyIndicator != null)
{
var busyProperty = info.BusyIndicator.GetType().GetProperty("IsBusy");
if (busyProperty != null)
busyProperty.SetValue(info.BusyIndicator, isBusy, null);
else info.BusyIndicator.Visibility = isBusy ? Visibility.Visible : Visibility.Collapsed;
}
else if (!isBusy)
{
var close = info.BusyViewModel.GetType().GetMethod("Close", Type.EmptyTypes);
if (close != null)
close.Invoke(info.BusyViewModel, null);
}
}
private static void UpdateLoader(BusyInfo info)
{
if (info.BusyViewModel == null || info.BusyIndicator == null)
return;
var indicatorType = info.BusyIndicator.GetType();
var content = indicatorType.GetProperty("BusyContent");
if (content == null)
{
var contentProperty = indicatorType.GetAttributes<ContentPropertyAttribute>(true)
.FirstOrDefault();
if (contentProperty == null)
return;
content = indicatorType.GetProperty(contentProperty.Name);
}
content.SetValue(info.BusyIndicator, info.BusyViewModel, null);
}
private void UpdateLoader(BusyInfo info)
{
lock (_lockObject)
{
info.Depth++;
}
if (info.BusyViewModel == null || info.BusyIndicator == null)
return;
Type indicatorType = info.BusyIndicator.GetType();
PropertyInfo content = indicatorType.GetProperty("BusyContent");
if (content == null)
{
ContentPropertyAttribute contentProperty = indicatorType.GetAttributes<ContentPropertyAttribute>(true)
.FirstOrDefault();
if (contentProperty == null)
return;
content = indicatorType.GetProperty(contentProperty.Name);
}
content.SetValue(info.BusyIndicator, info.BusyViewModel, null);
}
