public virtual void ShouldAllowStylingTargetStyle()
{
Style s = new Style(typeof(ExpandableContentControl));
s.Setters.Add(new Setter(ExpandableContentControl.TargetSizeProperty, new Size(400, 300)));
ExpandableContentControl ecc = new ExpandableContentControl();
ecc.Style = s;
}
public virtual void ShouldAllowNoTemplateParts()
{
ExpandableContentControl ecc = new ExpandableContentControl();
ecc.Template = new ControlTemplate();
// touch all the public api.
ecc.TargetSize = new Size(4, 4);
ecc.RevealMode = ExpandDirection.Left;
ecc.Percentage = 0.5;
// show on screen
TestAsync(ecc);
}
/// <summary>
/// ContentTargetSizeProperty property changed handler.
/// </summary>
/// <param name="d">AccordionItem that changed its ContentTargetSize.</param>
/// <param name="e">Event arguments.</param>
private static void OnContentTargetSizePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var source = (AccordionItem)d;
var targetSize = (Size)e.NewValue;
if (!source._allowedToWriteContentTargetSize)
{
// revert to old value
source.ContentTargetSize = (Size)e.OldValue;
throw new InvalidOperationException(Properties.Resources.AccordionItem_InvalidWriteToContentTargetSize);
}
// Pass the value to the expandSite
// This is done explicitly so an animation action can be scheduled
// deterministicly.
ExpandableContentControl expandSite = source.ExpandSite;
if (expandSite != null && !expandSite.TargetSize.Equals(targetSize))
{
expandSite.TargetSize = targetSize;
if (source.IsSelected)
{
if (source.ParentAccordion != null && source.ParentAccordion.IsResizing)
{
// if the accordion is resizing, this item should snap immediately
#if SILVERLIGHT
expandSite.Percentage = 1;
#else
expandSite.RecalculatePercentage(1);
#endif
}
else
{
// otherwise schedule the resize
source.Schedule(AccordionAction.Resize);
}
}
}
}
