/// <summary/>
protected internal override TimeSpan DefineTimeline(ParallelTimeline parentTimeline, TimeSpan parentOffset) {
var timeline = new DoubleAnimation();
var trigger = new PropertyTrigger((DependencyObject)Target, Property, Values);
timeline.CurrentTimeInvalidated += (sender, e) => trigger.Tick((Clock)sender);
parentTimeline.Children.Add(timeline);
if (!RepeatCount.HasValue) {
RepeatCount = Values.Length;
var totalDuration = DefineTimelineCore(timeline, parentOffset);
RepeatCount = null;
return totalDuration;
} else {
return DefineTimelineCore(timeline, parentOffset);
}
}
private void LoadPropertyTriggers(XmlNode objNode,
Screen objScr)
{
Debug.Assert(null != objNode && null != objScr);
if (!objNode.HasChildNodes)
{
return;
}
XmlAttribute targetAttri = objNode.Attributes[UIServiceCfgDefines.s_TargetAttri];
XmlAttribute propertyAttri = objNode.Attributes[UIServiceCfgDefines.s_PropertyAttri];
XmlAttribute valueAttri = objNode.Attributes[UIServiceCfgDefines.s_ValueAttri];
if (null == targetAttri ||
null == propertyAttri ||
null == valueAttri ||
string.IsNullOrEmpty(targetAttri.Value) ||
string.IsNullOrEmpty(propertyAttri.Value) ||
string.IsNullOrEmpty(valueAttri.Value))
{
return;
}
PropertyTrigger propTrigger = new PropertyTrigger(objScr,
targetAttri.Value,
propertyAttri.Value,
valueAttri.Value);
if (!propTrigger.Initialize(objNode))
{
propTrigger = null;
return;
}
LoadAllActions(propTrigger, objNode);
//XmlAttribute bubbleEventAttri = objNode.Attributes[UIServiceCfgDefines.s_bubbleEventAttri];
//if (null != bubbleEventAttri &&
// !string.IsNullOrEmpty(bubbleEventAttri.Value))
//{
// int temp = 0;
// if (int.TryParse(bubbleEventAttri.Value, out temp))
// {
// propTrigger.BubbleEvent = temp == 0 ? false : true;
// }
//}
if (!propTrigger.Empty)
{
objScr.AddTrigger(propTrigger);
}
else
{
propTrigger = null;
}
}
public void ShouldFireTriggersOnPropertyChanged()
{
PropertyTrigger trigger = new PropertyTrigger()
{
PropertyName = "HorizontalAlignment"
};
MockAction action = new MockAction();
trigger.Actions.Add(action);
FrameworkElement element = new FrameworkElement();
System.Windows.Interactivity.TriggerCollection triggers = Interaction.GetTriggers(element);
triggers.Add(trigger);
element.HorizontalAlignment = HorizontalAlignment.Left;
Assert.IsTrue(action.hasExecuted);
Assert.IsTrue(action.IsAttached);
}
public void ShouldFireTriggersOnPropertyChanged()
{
PropertyTrigger trigger = new PropertyTrigger()
{
PropertyName = "HorizontalAlignment"
};
MockAction action = new MockAction();
trigger.Actions.Add(action);
FrameworkElement element = new FrameworkElement();
System.Windows.Interactivity.TriggerCollection triggers = Interaction.GetTriggers(element);
triggers.Add(trigger);
element.HorizontalAlignment = HorizontalAlignment.Left;
Assert.IsTrue(action.hasExecuted);
Assert.IsTrue(action.IsAttached);
}