public DependencyPropertyObserver(DependencyProperty dependencyProperty)
{
this.dependencyProperty = dependencyProperty;
observableValue = new ObservableValue();
observableValue.ValueChanged += (sender, e) => ValueChanged.Raise(this, e);
}
public TestExpression(object value, bool isReadOnly = false)
{
observableValue = new ObservableValue(value);
observableValue.ValueChanged += (sender, e) => ValueChanged.Raise(this, e);
this.isReadOnly = isReadOnly;
}
public IndexPropertyObserver(Type propertyContainingType, IndexPropertyPathElement propertyPathElement, XamlNamespaces namespaces)
{
baseObserver = CreateBaseObserver(propertyContainingType, propertyPathElement.PropertyName);
PropertyInfo indexPropertyInfo = baseObserver != null?baseObserver.ValueType.GetDefaultIndexProperty() :
propertyPathElement.PropertyName.IsEmpty ? propertyContainingType.GetDefaultIndexProperty() : propertyContainingType.GetInstanceProperty(propertyPathElement.PropertyName.MemberName);
if (indexPropertyInfo == null)
{
throw new Granular.Exception("Property \"{0}.{1}\" does not have an indexer", propertyContainingType.Name, propertyPathElement.PropertyName.MemberName);
}
if (indexPropertyInfo.GetIndexParameters().Count() != propertyPathElement.IndexRawValues.Count())
{
throw new Granular.Exception("Invalid number of index parameters for \"{0}.{1}\"", indexPropertyInfo.DeclaringType.Name, indexPropertyInfo.Name);
}
indexerObserver = new ClrPropertyObserver(indexPropertyInfo, propertyPathElement.ParseIndexValues(indexPropertyInfo));
indexerObserver.ValueChanged += (sender, e) => ValueChanged.Raise(this, e);
if (baseObserver != null)
{
baseObserver.ValueChanged += (sender, e) => indexerObserver.SetBaseValue(baseObserver.Value);
indexerObserver.SetBaseValue(baseObserver.Value);
}
}
public ValueOverlapExpression()
{
values = new List <Tuple <object, object> >();
observableValue = new ObservableValue();
observableValue.ValueChanged += (sender, oldValue, newValue) => ValueChanged.Raise(this, oldValue, newValue);
}
private void NotifyObject_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == _propertyName)
{
ValueChanged.Raise(this, EventArgs.Empty);
}
}
public void NotifyValueChange(string propName, object newValue)
{
try {
ValueChanged.Raise(this, new ValueChangeEventArgs(propName, newValue));
} catch (Exception ex) {
Debug.WriteLine(propName + ";" + newValue + ";" + ex.ToString());
}
}
private void OnTargetValueChanged(object sender, ObservableValueChangedArgs e)
{
if (UpdateSourceTrigger == UpdateSourceTrigger.Default && isSourceUpdateMode)
{
UpdateSourceOnTargetChanged();
}
ValueChanged.Raise(this, e);
}
private void OnTargetValueChanged(object sender, object oldValue, object newValue)
{
if (UpdateSourceTrigger == UpdateSourceTrigger.Default && isSourceUpdateMode)
{
UpdateSourceOnTargetChanged();
}
ValueChanged.Raise(this, oldValue, newValue);
}
public ClrPropertyObserver(PropertyInfo propertyInfo, IEnumerable <object> index)
{
this.propertyInfo = propertyInfo;
this.propertyGetMethod = propertyInfo.GetGetMethod();
this.propertySetMethod = propertyInfo.GetSetMethod();
this.index = index;
observableValue = new ObservableValue();
observableValue.ValueChanged += (sender, e) => ValueChanged.Raise(this, e);
}
/// <summary>
/// Raises the <see cref="ValueChanged"/> event, and passes changes onto the next expression part in the chain.
/// </summary>
protected virtual void OnValueChanged()
{
ValueChanged.Raise(this, EventArgs.Empty);
if (_nextPart != null)
{
//if the value of this PropertyExpressionPart changes, we need to update the Object in the next PropertyExpressionPart with the new value
_nextPart.Object = Value;
}
}
public ResourceReferenceExpression(IResourceContainer resourceContainer, object resourceKey)
{
this.resourceContainer = resourceContainer;
this.resourceKey = resourceKey;
observableValue = new ObservableValue();
observableValue.ValueChanged += (sender, oldValue, newValue) => ValueChanged.Raise(this, oldValue, newValue);
observableValue.BaseValue = GetResourceValue();
resourceContainer.ResourcesChanged += OnResourcesChanged;
}
public ContextSourceObserver(DependencyObject target, object baseValue)
{
this.target = target;
observableValue = new ObservableValue(baseValue);
observableValue.ValueChanged += (sender, oldValue, newValue) => ValueChanged.Raise(this, oldValue, newValue);
if (target is IContextElement)
{
((IContextElement)target).ContextParentChanged += OnTargetContextParentChanged;
}
}
public CoercedDependencyPropertyValueEntry(IDependencyPropertyValueEntry source, DependencyObject dependencyObject, CoerceValueCallback coerceValueCallback)
{
this.source = source;
this.dependencyObject = dependencyObject;
this.coerceValueCallback = coerceValueCallback;
observableValue = new ObservableValue();
observableValue.ValueChanged += (sender, e) => ValueChanged.Raise(this, e);
source.ValueChanged += (sender, e) => CoerceValue();
CoerceValue();
}
private void OnValueChanged(int newValuePriority, object newValue)
{
if (ValuePriority > newValuePriority) // a higher priority value is hiding the new value
{
if (baseValuePriority <= newValuePriority && newValuePriority <= BaseValueHighestPriority)
{
baseValuePriority = BaseValueHighestPriority + 1; // invalidate baseValuePriority
}
return;
}
object oldValue = Value;
bool isNewValueValid = IsValueValid(newValue);
if (ValuePriority == newValuePriority && isNewValueValid && coerceValueCallback == null)
{
Value = newValue;
ValueChanged.Raise(this, new DependencyPropertyChangedEventArgs(dependencyProperty, oldValue, newValue)); // since this was already the value priority and there is no coercion, Value must have been changed here
return;
}
if (ValuePriority < newValuePriority && !isNewValueValid) // a higher priority value was changed but it's not valid, so it can be ignored
{
return;
}
while (!isNewValueValid && newValuePriority > 0) // try to find the highest priority value that is valid
{
newValuePriority--;
newValue = GetValue(newValuePriority, true);
isNewValueValid = IsValueValid(newValue);
}
if (ValuePriority != newValuePriority)
{
ValuePriority = newValuePriority;
baseValuePriority = newValuePriority; // possible invalidation of baseValuePriority
}
if (coerceValueCallback != null)
{
newValue = coerceValueCallback(dependencyObject, newValue);
}
if (Granular.Compatibility.EqualityComparer.Default.Equals(oldValue, newValue))
{
return;
}
Value = newValue;
ValueChanged.Raise(this, new DependencyPropertyChangedEventArgs(dependencyProperty, oldValue, newValue));
}
public AnimationExpression(DependencyObject dependencyObject, DependencyProperty dependencyProperty)
{
this.dependencyObject = dependencyObject;
this.dependencyProperty = dependencyProperty;
observableValue = new ObservableValue();
observableValue.ValueChanged += (sender, e) => ValueChanged.Raise(this, e);
layers = new AnimationLayerCollection();
layers.LayerInvalidated += OnLayerInvalidated;
SetAnimationValue();
}
public DataContextSourceObserver(DependencyObject target)
{
this.target = target;
frameworkElementValue = new ObservableValue(GetFrameworkElementAncestor(target));
frameworkElementValue.ValueChanged += (sender, oldValue, newValue) => dataContextValue.SetBaseValue(newValue);
dataContextValue = new DependencyPropertyObserver(FrameworkElement.DataContextProperty);
dataContextValue.SetBaseValue(frameworkElementValue.Value);
dataContextValue.ValueChanged += (sender, oldValue, newValue) => ValueChanged.Raise(this, oldValue, newValue);
if (target is IContextElement)
{
((IContextElement)target).ContextParentChanged += OnTargetContextParentChanged;
}
}
public void CoerceValue()
{
if (coerceValueCallback == null)
{
return;
}
object oldValue = Value;
object newValue = coerceValueCallback(dependencyObject, GetValue(ValuePriority, true));
if (Granular.Compatibility.EqualityComparer.Default.Equals(oldValue, newValue))
{
return;
}
Value = newValue;
ValueChanged.Raise(this, new DependencyPropertyChangedEventArgs(dependencyProperty, oldValue, newValue));
}
public DependencyPropertyValueEntry(DependencyObject dependencyObject, DependencyProperty dependencyProperty)
{
this.dependencyProperty = dependencyProperty;
this.defaultValue = dependencyProperty.GetMetadata(dependencyObject.GetType()).DefaultValue;
observableValue = new ObservableValue();
observableValue.ValueChanged += (sender, e) => ValueChanged.Raise(this, e);
baseValues = new object[BaseValuePriorities];
for (int i = 0; i < baseValues.Length; i++)
{
baseValues[i] = ObservableValue.UnsetValue;
}
currentValue = ObservableValue.UnsetValue;
animationValue = ObservableValue.UnsetValue;
}
public ObservableExpression(object baseValue, PropertyPath propertyPath)
{
observableValue = new ObservableValue();
observableValue.ValueChanged += (sender, e) => ValueChanged.Raise(this, e);
if (propertyPath.IsEmpty)
{
observableValue.Value = baseValue;
ValueType = baseValue != null?baseValue.GetType() : null;
}
else
{
propertyPathElement = propertyPath.Elements.Last();
baseObserver = new ObservableExpression(baseValue, propertyPath.GetBasePropertyPath());
baseObserver.ValueChanged += (sender, e) => SetDelegateObserverBaseValue();
SetDelegateObserverBaseValue();
}
}
public void NotifyValueChanged(string name, object value)
{
ValueChanged.Raise(this, new ValueChangeEventArgs(name, value));
}
/// <summary>
/// Raises the <see cref="E:Sce.Atf.Controls.NumericTupleControl.ValueChanged"/> event</summary>
/// <param name="e">Event args</param>
protected virtual void OnValueChanged(EventArgs e)
{
ValueChanged.Raise(this, e);
}
private void OnObservableValueChanged(object sender, ObservableValueChangedArgs e)
{
ValueChanged.Raise(this, e);
}
/// <summary>
/// Raises this object's <see cref="ValueChanged"/> event
/// </summary>
/// <param name="e"></param>
protected void OnValueChanged(ValueChangedEventArgs e)
{
ValueChanged.Raise(this, e);
}
public ReadOnlyObservableValue(IObservableValue source)
{
this.source = source;
source.ValueChanged += (sender, e) => ValueChanged.Raise(this, e);
}
/// <summary>
/// Raises the ValueChanged event and performs custom processing</summary>
protected virtual void OnValueChanged()
{
ValueChanged.Raise(this, EventArgs.Empty);
}
/// <summary>
/// Helper function to raise the value changed event
/// </summary>
public virtual void NotifyValueChanged(string MemberName, object _value)
{
//Debug.WriteLine ("Value changed: {0}->{1} = {2}", this, MemberName, _value);
ValueChanged.Raise(this, new ValueChangeEventArgs(MemberName, _value));
}
private void OnPropertyValueChanged(object sender, EventArgs e)
{
ValueChanged.Raise(this, EventArgs.Empty);
}
void m_editControl_ValueChanged(object sender, EventArgs e)
{
ValueChanged.Raise(this, e);
}
public virtual void NotifyValueChanged(string MemberName, object _value)
{
ValueChanged.Raise(this, new ValueChangeEventArgs(MemberName, _value));
}
private void OnBaseObservableValueChanged(object sender, object oldValue, object newValue)
{
Value = newValue;
ValueChanged.Raise(this, oldValue, newValue);
}
