private void ProcessText()
{
if (Control == null || Element == null)
{
return;
}
// Gets the complete HTML string
var isRtl = Device.FlowDirection == Xamarin.Forms.FlowDirection.RightToLeft;
var styledHtml = new RendererHelper(Element, Element.Text, Device.RuntimePlatform, isRtl).ToString();
if (styledHtml == null)
{
return;
}
Control.Text = styledHtml;
// Adds the HtmlTextBehavior because UWP's TextBlock
// does not natively support HTML content
var behavior = new HtmlTextBehavior((HtmlLabel)Element);
BehaviorCollection behaviors = Interaction.GetBehaviors(Control);
behaviors.Clear();
behaviors.Add(behavior);
}
private void UpdateText()
{
if (Control == null || Element == null)
{
return;
}
if (string.IsNullOrEmpty(Control.Text))
{
return;
}
// Gets the complete HTML string
var helper = new LabelRendererHelper(Element, Element.Text);
Control.Text = helper.ToString();
// Adds the HtmlTextBehavior because UWP's TextBlock
// does not natively support HTML content
var behavior = new HtmlTextBehavior((HtmlLabel)Element);
BehaviorCollection behaviors = Interaction.GetBehaviors(Control);
behaviors.Clear();
behaviors.Add(behavior);
}
private static void OnPropertyChanged(DependencyObject dpo, DependencyPropertyChangedEventArgs e)
{
var uie = dpo as UIElement;
if (uie == null)
{
return;
}
BehaviorCollection itemBehaviors = Interaction.GetBehaviors(uie);
var newBehaviors = e.NewValue as StyleBehaviorCollection;
var oldBehaviors = e.OldValue as StyleBehaviorCollection;
if (newBehaviors == oldBehaviors)
{
return;
}
//if (oldBehaviors != null)
//{
// foreach (var behavior in oldBehaviors)
// {
// int index = GetIndexOf(itemBehaviors, behavior);
// if (index >= 0)
// {
// itemBehaviors.RemoveAt(index);
// }
// }
//}
itemBehaviors.Clear();
if (newBehaviors != null)
{
foreach (var behavior in newBehaviors)
{
int index = GetIndexOf(itemBehaviors, behavior);
if (index < 0)
{
var clone = (Behavior)behavior.Clone();
Guid cloneId = GetBehaviorId(clone);
if (cloneId == Guid.Empty)
{
SetBehaviorId(clone, Guid.NewGuid());
}
itemBehaviors.Add(clone);
}
}
}
}
public static bool ClearManipulator(LayerControl SectionLayer)
{
if (SectionLayer == null)
{
return(false);
}
BehaviorCollection bc = Interaction.GetBehaviors(SectionLayer);
bc.Clear();
return(true);
}
public static bool SetManipulator(ManipulatorBase mp, LayerControl SectionLayer)
{
if (mp == null || SectionLayer == null)
{
return(false);
}
BehaviorCollection bc = Interaction.GetBehaviors(SectionLayer);
bc.Clear();
bc.Add(mp);
return(true);
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
public void Dispose()
{
if (Interlocked.Exchange(ref _lazyContext, DataContext.Empty) == DataContext.Empty)
{
return;
}
OnDispose();
BindingServiceProvider.BindingManager.Unregister(this);
BindingUpdated = null;
BindingException = null;
_behaviors.Clear();
_sourceAccessor.Dispose();
_targetAccessor.Dispose();
}
private static void OnBehaviorsChanged(DependencyObject depObj, DependencyPropertyChangedEventArgs e)
{
if (e.NewValue is IEnumerable == false)
{
return;
}
var newBehaviorCollection = e.NewValue as IEnumerable;
BehaviorCollection behaviorCollection = Interaction.GetBehaviors(depObj);
behaviorCollection.Clear();
foreach (Behavior behavior in newBehaviorCollection)
{
behaviorCollection.Add(behavior);
}
}
private static void OnBehaviorsChanged(DependencyObject depObj, DependencyPropertyChangedEventArgs e)
{
if (e.NewValue is BehaviorCreatorCollection == false)
{
return;
}
BehaviorCreatorCollection newBehaviorCollection = e.NewValue as BehaviorCreatorCollection;
BehaviorCollection behaviorCollection = Interaction.GetBehaviors(depObj);
behaviorCollection.Clear();
foreach (IBehaviorCreator behavior in newBehaviorCollection)
{
behaviorCollection.Add(behavior.Create());
}
}
private static void OnPropertyChanged(DependencyObject dpo, DependencyPropertyChangedEventArgs e)
{
var uie = dpo as UIElement;
if (uie == null)
{
return;
}
BehaviorCollection itemBehaviors = Interaction.GetBehaviors(uie);
itemBehaviors.Clear();
var clone = (Behavior)(e.NewValue as BorderlessWindowBehavior).Clone();
itemBehaviors.Add(clone);
}
private static void OnBehaviorsChanged(DependencyObject depObj, DependencyPropertyChangedEventArgs e)
{
if (e.NewValue is IEnumerable == false)
{
return;
}
var newBehaviorCollection = e.NewValue as IEnumerable;
BehaviorCollection behaviorCollection = Interaction.GetBehaviors(depObj);
behaviorCollection.Clear();
foreach (Behavior behavior in newBehaviorCollection)
{
// you need to make a copy of behavior in order to attach it to several controls
var copy = behavior.Clone() as Behavior;
behaviorCollection.Add(copy);
}
}
public void VectorChanged_ResetWhileNotAttached_DetachNotCalled()
{
StubBehavior[] behaviorArray = { new StubBehavior(), new StubBehavior(), new StubBehavior() };
BehaviorCollection behaviorCollection = new BehaviorCollection();
foreach (StubBehavior behavior in behaviorArray)
{
behaviorCollection.Add(behavior);
}
behaviorCollection.Clear();
foreach (StubBehavior behavior in behaviorArray)
{
TestUtilities.AssertNotDetached(behavior);
}
}