private void ToggleTileState()
{
if (this.CanToggleState())
{
if (this.TileState == TileViewItemState.Maximized)
{
this.TileState = TileViewItemState.Restored;
return;
}
this.TileState = TileViewItemState.Maximized;
}
}
private static void OnTileStatePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
TileViewItem source = d as TileViewItem;
TileViewItemState newValue = (TileViewItemState)e.NewValue;
TileViewItemState oldValue = (TileViewItemState)e.OldValue;
if (source != null)
{
source.OnTileStateChanged(oldValue, newValue);
}
CommandManager.InvalidateRequerySuggested();
}
private bool CanChangeTileState(TileViewItemState oldValue)
{
if (this.ParentTileView.MaximizeMode == TileViewMaximizeMode.Zero && this.TileState != TileViewItemState.Restored || oldValue == TileViewItemState.Restored && this.TileState == TileViewItemState.Minimized && this.ParentTileView.MaximizedItem == null || this.ParentTileView.MaximizeMode == TileViewMaximizeMode.One && this.TileState != TileViewItemState.Maximized && this.ParentTileView.MaximizedContainer == this)
{
return(false);
}
if (this.ParentTileView.MaximizeMode != TileViewMaximizeMode.One || oldValue != TileViewItemState.Minimized)
{
return(true);
}
return(this.TileState != TileViewItemState.Restored);
}
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
TileViewItemState tileState = (TileViewItemState)value;
switch (tileState)
{
case TileViewItemState.Maximized:
return(FluidContentControlState.Large);
case TileViewItemState.Minimized:
return(FluidContentControlState.Small);
case TileViewItemState.Restored:
return(FluidContentControlState.Normal);
default:
return(FluidContentControlState.Normal);
}
}
protected virtual void OnTileStateChanged(TileViewItemState oldValue, TileViewItemState newValue)
{
this.UpdateTileStates();
if (this.headerPart != null)
{
this.headerPart.TileState = newValue;
}
if (this.cancelTileStateChanged || this.ParentTileView == null)
{
if (!this.cancelTileStateChanged)
{
PreviewTileStateChangedEventArgs previewTileStateChangedEventArg = new PreviewTileStateChangedEventArgs()
{
TileState = newValue,
RoutedEvent = RadTileViewItem.TileStateChangedEvent,
Source = this
};
this.OnTileStateChanged(previewTileStateChangedEventArg);
}
return;
}
RadRoutedEventArgs tilesStateChangedArgs = new RadRoutedEventArgs(RadTileView.PreviewTilesStateChangedEvent);
if (!this.ParentTileView.IsPreviewTilesStateRaised)
{
this.ParentTileView.IsPreviewTilesStateRaised = true;
this.ParentTileView.OnPreviewTilesStateChanged(tilesStateChangedArgs);
}
bool rollback = false;
if (!tilesStateChangedArgs.Handled)
{
PreviewTileStateChangedEventArgs previewTileStateChangedEventArg1 = new PreviewTileStateChangedEventArgs()
{
TileState = oldValue,
RoutedEvent = RadTileViewItem.PreviewTileStateChangedEvent,
Source = this
};
PreviewTileStateChangedEventArgs args = previewTileStateChangedEventArg1;
this.OnPreviewTileStateChanged(args);
if (args.Handled)
{
rollback = true;
}
else
{
this.OnTileStateChanged(new TileStateChangedEventArgs(RadTileViewItem.TileStateChangedEvent, this, newValue, oldValue));
}
}
else
{
rollback = true;
}
if (!this.CanChangeTileState(oldValue))
{
rollback = true;
}
if (rollback)
{
this.ParentTileView.IsPreviewTilesStateRaised = false;
this.cancelTileStateChanged = true;
this.TileState = oldValue;
this.cancelTileStateChanged = false;
return;
}
if (oldValue == TileViewItemState.Maximized && this.TileState == TileViewItemState.Minimized && this.ParentTileView.MaximizedItem == this && this.ParentTileView.MaximizeMode == TileViewMaximizeMode.ZeroOrOne)
{
this.ParentTileView.MaximizedItem = null;
return;
}
if (base.Visibility == Visibility.Visible)
{
this.ParentTileView.ChangeTileState(this);
}
}
