// Token: 0x06000361 RID: 865 RVA: 0x00009AD8 File Offset: 0x00007CD8
internal void Seal(ValueLookupType type)
{
this._sealed = true;
for (int i = 0; i < base.Count; i++)
{
base[i].Seal(type);
}
}
internal void Seal(ValueLookupType type)
{
_sealed = true;
// Seal all the conditions
for (int i = 0; i < Count; i++)
{
this[i].Seal(type);
}
}
// Token: 0x06000357 RID: 855 RVA: 0x000097C0 File Offset: 0x000079C0
internal void Seal(ValueLookupType type)
{
if (this._sealed)
{
return;
}
this._sealed = true;
if (this._property != null && this._binding != null)
{
throw new InvalidOperationException(SR.Get("ConditionCannotUseBothPropertyAndBinding"));
}
if (type - ValueLookupType.Trigger > 1)
{
if (type - ValueLookupType.DataTrigger > 1)
{
throw new InvalidOperationException(SR.Get("UnexpectedValueTypeForCondition", new object[]
{
type
}));
}
if (this._binding == null)
{
throw new InvalidOperationException(SR.Get("NullPropertyIllegal", new object[]
{
"Binding"
}));
}
}
else
{
if (this._property == null)
{
throw new InvalidOperationException(SR.Get("NullPropertyIllegal", new object[]
{
"Property"
}));
}
if (!this._property.IsValidValue(this._value))
{
throw new InvalidOperationException(SR.Get("InvalidPropertyValue", new object[]
{
this._value,
this._property.Name
}));
}
}
StyleHelper.SealIfSealable(this._value);
}
/// <summary>
/// Seal the condition so that it can no longer be modified
/// </summary>
internal void Seal(ValueLookupType type)
{
if (_sealed)
{
return;
}
_sealed = true;
// Ensure valid condition
if (_property != null && _binding != null)
{
throw new InvalidOperationException(SR.Get(SRID.ConditionCannotUseBothPropertyAndBinding));
}
switch (type)
{
case ValueLookupType.Trigger:
case ValueLookupType.PropertyTriggerResource:
if (_property == null)
{
throw new InvalidOperationException(SR.Get(SRID.NullPropertyIllegal, "Property"));
}
if (!_property.IsValidValue(_value))
{
throw new InvalidOperationException(SR.Get(SRID.InvalidPropertyValue, _value, _property.Name));
}
break;
case ValueLookupType.DataTrigger:
case ValueLookupType.DataTriggerResource:
if (_binding == null)
{
throw new InvalidOperationException(SR.Get(SRID.NullPropertyIllegal, "Binding"));
}
break;
default:
throw new InvalidOperationException(SR.Get(SRID.UnexpectedValueTypeForCondition, type));
}
// Freeze the condition value
StyleHelper.SealIfSealable(_value);
}
/// <summary>
/// Seal the condition so that it can no longer be modified
/// </summary>
internal void Seal(ValueLookupType type)
{
if (_sealed)
{
return;
}
_sealed = true;
// Ensure valid condition
if (_property != null && _binding != null)
throw new InvalidOperationException(SR.Get(SRID.ConditionCannotUseBothPropertyAndBinding));
switch (type)
{
case ValueLookupType.Trigger:
case ValueLookupType.PropertyTriggerResource:
if (_property == null)
{
throw new InvalidOperationException(SR.Get(SRID.NullPropertyIllegal, "Property"));
}
if (!_property.IsValidValue(_value))
{
throw new InvalidOperationException(SR.Get(SRID.InvalidPropertyValue, _value, _property.Name));
}
break;
case ValueLookupType.DataTrigger:
case ValueLookupType.DataTriggerResource:
if (_binding == null)
{
throw new InvalidOperationException(SR.Get(SRID.NullPropertyIllegal, "Binding"));
}
break;
default:
throw new InvalidOperationException(SR.Get(SRID.UnexpectedValueTypeForCondition, type));
}
// Freeze the condition value
StyleHelper.SealIfSealable(_value);
}
//
// This method
// 1. Computes the property value given the ChildLookupValue list for it
//
private static object GetChildValueHelper(
UncommonField<HybridDictionary[]> dataField,
ref ItemStructList<ChildValueLookup> valueLookupList,
DependencyProperty dp,
DependencyObject container,
FrameworkObject child,
int childIndex,
bool styleLookup,
ref EffectiveValueEntry entry,
out ValueLookupType sourceType,
FrameworkElementFactory templateRoot)
{
Debug.Assert(child.IsValid, "child should either be an FE or an FCE");
object value = DependencyProperty.UnsetValue;
sourceType = ValueLookupType.Simple;
// Walk list backwards since highest priority lookup items are inserted last
for (int i = valueLookupList.Count - 1; i >= 0; i--)
{
sourceType = valueLookupList.List[i].LookupType;
// Lookup logic is determined by lookup type. "Trigger"
// is misleading right now because today it's also being used
// for Storyboard timeline lookups.
switch (valueLookupList.List[i].LookupType)
{
case ValueLookupType.Simple:
{
// Simple value
value = valueLookupList.List[i].Value;
}
break;
case ValueLookupType.Trigger:
case ValueLookupType.PropertyTriggerResource:
case ValueLookupType.DataTrigger:
case ValueLookupType.DataTriggerResource:
{
// Conditional value based on Container state
bool triggerMatch = true;
if( valueLookupList.List[i].Conditions != null )
{
// Check whether the trigger applies. All conditions must match,
// so the loop can terminate as soon as it finds a condition
// that doesn't match.
for (int j = 0; triggerMatch && j < valueLookupList.List[i].Conditions.Length; j++)
{
object state;
switch (valueLookupList.List[i].LookupType)
{
case ValueLookupType.Trigger:
case ValueLookupType.PropertyTriggerResource:
// Find the source node
DependencyObject sourceNode;
int sourceChildIndex = valueLookupList.List[i].Conditions[j].SourceChildIndex;
if (sourceChildIndex == 0)
{
sourceNode = container;
}
else
{
sourceNode = StyleHelper.GetChild(container, sourceChildIndex);
}
// Note that the sourceNode could be null when the source
// property for this trigger is on a node that hasn't been
// instantiated yet.
DependencyProperty sourceProperty = valueLookupList.List[i].Conditions[j].Property;
if (sourceNode != null)
{
state = sourceNode.GetValue(sourceProperty);
}
else
{
Type sourceNodeType;
if( templateRoot != null )
{
sourceNodeType = FindFEF(templateRoot, sourceChildIndex).Type;
}
else
{
sourceNodeType = (container as FrameworkElement).TemplateInternal.ChildTypeFromChildIndex[sourceChildIndex];
}
state = sourceProperty.GetDefaultValue(sourceNodeType);
}
triggerMatch = valueLookupList.List[i].Conditions[j].Match(state);
break;
case ValueLookupType.DataTrigger:
case ValueLookupType.DataTriggerResource:
default: // this cannot happen - but make the compiler happy
state = GetDataTriggerValue(dataField, container, valueLookupList.List[i].Conditions[j].Binding);
triggerMatch = valueLookupList.List[i].Conditions[j].ConvertAndMatch(state);
break;
}
}
}
if (triggerMatch)
{
// Conditionals matched, use the value
if (valueLookupList.List[i].LookupType == ValueLookupType.PropertyTriggerResource ||
valueLookupList.List[i].LookupType == ValueLookupType.DataTriggerResource)
{
// Resource lookup
object source;
value = FrameworkElement.FindResourceInternal(child.FE,
child.FCE,
dp,
valueLookupList.List[i].Value, // resourceKey
null, // unlinkedParent
true, // allowDeferredResourceReference
false, // mustReturnDeferredResourceReference
null, // boundaryElement
false, // disableThrowOnResourceNotFound
out source);
// Try to freeze the value
SealIfSealable(value);
}
else
{
value = valueLookupList.List[i].Value;
}
}
}
break;
case ValueLookupType.TemplateBinding:
{
TemplateBindingExtension templateBinding = (TemplateBindingExtension)valueLookupList.List[i].Value;
DependencyProperty sourceProperty = templateBinding.Property;
// Direct binding of Child property to Container
value = container.GetValue(sourceProperty);
// Apply the converter, if any
if (templateBinding.Converter != null)
{
DependencyProperty targetProperty = valueLookupList.List[i].Property;
System.Globalization.CultureInfo culture = child.Language.GetCompatibleCulture();
value = templateBinding.Converter.Convert(
value,
targetProperty.PropertyType,
templateBinding.ConverterParameter,
culture);
}
// if the binding returns an invalid value, fallback to default value
if ((value != DependencyProperty.UnsetValue) && !dp.IsValidValue(value))
{
value = DependencyProperty.UnsetValue;
}
}
break;
case ValueLookupType.Resource:
{
// Resource lookup
object source;
value = FrameworkElement.FindResourceInternal(
child.FE,
child.FCE,
dp,
valueLookupList.List[i].Value, // resourceKey
null, // unlinkedParent
true, // allowDeferredResourceReference
false, // mustReturnDeferredResourceReference
null, // boundaryElement
false, // disableThrowOnResourceNotFound
out source);
// Try to freeze the value
SealIfSealable(value);
}
break;
}
// See if value needs per-instance storage
if (value != DependencyProperty.UnsetValue)
{
entry.Value = value;
// When the value requires per-instance storage (and comes from this style),
// get the real value from per-instance data.
switch (valueLookupList.List[i].LookupType)
{
case ValueLookupType.Simple:
case ValueLookupType.Trigger:
case ValueLookupType.DataTrigger:
{
MarkupExtension me;
Freezable freezable;
if ((me = value as MarkupExtension) != null)
{
value = GetInstanceValue(
dataField,
container,
child.FE,
child.FCE,
childIndex,
valueLookupList.List[i].Property,
i,
ref entry);
}
else if ((freezable = value as Freezable) != null && !freezable.IsFrozen)
{
value = GetInstanceValue(
dataField,
container,
child.FE,
child.FCE,
childIndex,
valueLookupList.List[i].Property,
i,
ref entry);
}
}
break;
default:
break;
}
}
if (value != DependencyProperty.UnsetValue)
{
// Found a value, break out of the for() loop.
break;
}
}
return value;
}
// ===========================================================================
// These methods are invoked when a Property
// value is fetched from a Style/Template
// ===========================================================================
#region GetValueMethods
//
// This method
// 1. Computes the value of a template child
// (Index is '0' when the styled container is asking)
//
internal static object GetChildValue(
UncommonField<HybridDictionary[]> dataField,
DependencyObject container,
int childIndex,
FrameworkObject child,
DependencyProperty dp,
ref FrugalStructList<ChildRecord> childRecordFromChildIndex,
ref EffectiveValueEntry entry,
out ValueLookupType sourceType,
FrameworkElementFactory templateRoot)
{
object value = DependencyProperty.UnsetValue;
sourceType = ValueLookupType.Simple;
// Check if this Child Index is represented in given data-structure
if ((0 <= childIndex) && (childIndex < childRecordFromChildIndex.Count))
{
// Fetch the childRecord for the given childIndex
ChildRecord childRecord = childRecordFromChildIndex[childIndex];
// Check if this Property is represented in the childRecord
int mapIndex = childRecord.ValueLookupListFromProperty.Search(dp.GlobalIndex);
if (mapIndex >= 0)
{
if (childRecord.ValueLookupListFromProperty.Entries[mapIndex].Value.Count > 0)
{
// Child Index/Property are both represented in this style/template,
// continue with value computation
// Pass into helper so ValueLookup struct can be accessed by ref
value = GetChildValueHelper(
dataField,
ref childRecord.ValueLookupListFromProperty.Entries[mapIndex].Value,
dp,
container,
child,
childIndex,
true,
ref entry,
out sourceType,
templateRoot);
}
}
}
return value;
}
