-using System;
+/*
+ * Copyright(c) 2022 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Reflection;
+using System.Linq;
using System.Runtime.CompilerServices;
using Tizen.NUI.Binding.Internals;
namespace Tizen.NUI.Binding
{
/// <summary>
- /// Provides a mechanism by which application developers can propagate changes that are made to data in one object to another, by enabling validation, type coercion, and an event system.
+ /// Provides a mechanism by which application developers can propagate changes that are made to data in one object to another.
/// </summary>
- [EditorBrowsable(EditorBrowsableState.Never)]
+ /// <since_tizen> 9 </since_tizen>
public abstract class BindableObject : INotifyPropertyChanged, IDynamicResourceHandler
{
/// <summary>
/// </summary>
[EditorBrowsable(EditorBrowsableState.Never)]
public static readonly BindableProperty BindingContextProperty =
- BindableProperty.Create(nameof(BindingContext), typeof(object), typeof(BindableObject), default(object),
- BindingMode.OneWay, null, BindingContextPropertyChanged, null, null, BindingContextPropertyBindingChanging);
+ BindableProperty.Create(nameof(BindingContext), typeof(object), typeof(BindableObject), default(object), BindingMode.OneWay, null, BindingContextPropertyChanged,
+ null, null, BindingContextPropertyBindingChanging);
- readonly List<BindablePropertyContext> _properties = new List<BindablePropertyContext>(4);
+ readonly Dictionary<BindableProperty, BindablePropertyContext> properties = new Dictionary<BindableProperty, BindablePropertyContext>(4);
- bool _applying;
- object _inheritedContext;
+ bool applying;
+ object inheritedContext;
/// <summary>
/// Gets or sets object that contains the properties that will be targeted by the bound properties that belong to this BindableObject.
[EditorBrowsable(EditorBrowsableState.Never)]
public object BindingContext
{
- get { return _inheritedContext ?? GetValue(BindingContextProperty); }
+ get { return inheritedContext ?? GetValue(BindingContextProperty); }
set { SetValue(BindingContextProperty, value); }
}
- void IDynamicResourceHandler.SetDynamicResource(BindableProperty property, string key)
- {
- SetDynamicResource(property, key, false);
- }
+ [EditorBrowsable(EditorBrowsableState.Never)]
+ public int LineNumber { get; set; } = -1;
+
+ [EditorBrowsable(EditorBrowsableState.Never)]
+ public int LinePosition { get; set; } = -1;
+
+ void IDynamicResourceHandler.SetDynamicResource(BindableProperty property, string key) => SetDynamicResource(property, key, false);
/// <summary>
/// Raised when a property has changed.
/// </summary>
- /// This will be public opened in tizen_5.0 after ACR done. Before ACR, need to be hidden as inhouse API.
- [EditorBrowsable(EditorBrowsableState.Never)]
+ /// <since_tizen> 9 </since_tizen>
public event PropertyChangedEventHandler PropertyChanged;
- /// <summary>Whether to allow null value when <seealso cref="CopyFrom"/>.</summary>
- [EditorBrowsable(EditorBrowsableState.Never)]
- protected static bool AllowNullCopy { get; set; } = false;
-
/// <summary>Copy properties of other ViewStyle to this.</summary>
/// <param name="other">The other BindableProperty merge to this.</param>
[EditorBrowsable(EditorBrowsableState.Never)]
{
nameToBindableProperty2.TryGetValue(keyValuePair.Key, out var bindableProperty);
- if (null != bindableProperty)
+ if (null != bindableProperty && other.IsSet(bindableProperty))
{
object value = other.GetValue(bindableProperty);
-
- if (AllowNullCopy || null != value)
- {
- SetValue(keyValuePair.Value, value);
- }
+ InternalSetValue(keyValuePair.Value, value);
}
}
}
}
/// <summary>
+ /// Copy all binding from other object.
+ /// </summary>
+ /// <param name="other"></param>
+ [EditorBrowsable(EditorBrowsableState.Never)]
+ public void CopyBindingRelationShip(BindableObject other)
+ {
+ if (null == other)
+ {
+ return;
+ }
+
+ foreach (var property in properties)
+ {
+ RemoveBinding(property.Key);
+ }
+
+ foreach (var property in other.properties)
+ {
+ if (null != property.Value.Binding)
+ {
+ var binding = property.Value.Binding;
+ other.RemoveBinding(property.Key);
+ SetBinding(property.Key, binding);
+ }
+ }
+ }
+
+ /// <summary>
/// Raised whenever the BindingContext property changes.
/// </summary>
/// This will be public opened in tizen_5.0 after ACR done. Before ACR, need to be hidden as inhouse API.
[EditorBrowsable(EditorBrowsableState.Never)]
public event EventHandler BindingContextChanged;
- internal void ClearValue(BindableProperty property, bool fromStyle)
- {
- ClearValue(property, fromStyle: fromStyle, checkAccess: true);
- }
+ internal void ClearValue(BindableProperty property, bool fromStyle) => ClearValue(property, fromStyle: fromStyle, checkAccess: true);
/// <summary>
/// Clears any value set by Tizen.NUI.Xaml.BindableObject.SetValue.
if (property == null)
throw new ArgumentNullException(nameof(property));
+ if (!IsBound && property.ValueGetter != null)
+ {
+ return property.ValueGetter(this);
+ }
+
BindablePropertyContext context = property.DefaultValueCreator != null ? GetOrCreateContext(property) : GetContext(property);
if (context == null)
/// Removes a previously set binding.
/// </summary>
/// <param name="property">The BindableProperty from which to remove bindings.</param>
- internal void RemoveBinding(BindableProperty property)
+ [EditorBrowsable(EditorBrowsableState.Never)]
+ public void RemoveBinding(BindableProperty property)
{
if (property == null)
throw new ArgumentNullException(nameof(property));
/// <param name="binding">The binding to set.</param>
/// This will be public opened in tizen_5.0 after ACR done. Before ACR, need to be hidden as inhouse API.
[EditorBrowsable(EditorBrowsableState.Never)]
- public void SetBinding(BindableProperty targetProperty, BindingBase binding)
+ public void SetBinding(BindableProperty targetProperty, BindingBase binding) => SetBinding(targetProperty, binding, false);
+
+ /// Internal used, will never changed to not hidden.
+ [EditorBrowsable(EditorBrowsableState.Never)]
+ public virtual bool IsCreateByXaml
{
- SetBinding(targetProperty, binding, false);
+ get;
+ set;
}
- private bool isCreateByXaml = false;
- /// Only used by the IL of xaml, will never changed to not hidden.
+ /// This will be public opened in next ACR.
[EditorBrowsable(EditorBrowsableState.Never)]
- public virtual bool IsCreateByXaml
+ public void EnforceNotifyBindedInstance(BindableProperty property)
{
- get
+ if (null != property)
{
- return isCreateByXaml;
- }
- set
- {
- isCreateByXaml = value;
+ BindablePropertyContext context = GetOrCreateContext(property);
+ BindingBase binding = context.Binding;
+
+ var currentlyApplying = applying;
+
+ if (binding != null && !currentlyApplying)
+ {
+ applying = true;
+ binding.Apply(true);
+ applying = false;
+ }
+
+ OnPropertyChanged(property.PropertyName);
+
+ PropertyToGroup.TryGetValue(property, out HashSet<BindableProperty> propertyGroup);
+
+ if (null != propertyGroup)
+ {
+ foreach (var relativeProperty in propertyGroup)
+ {
+ if (relativeProperty != property)
+ {
+ var relativeContext = GetOrCreateContext(relativeProperty);
+ var relativeBinding = relativeContext.Binding;
+
+ if (null != relativeBinding)
+ {
+ applying = true;
+ relativeBinding.Apply(true);
+ applying = false;
+ }
+
+ OnPropertyChanged(relativeProperty.PropertyName);
+ }
+ }
+ }
}
}
[EditorBrowsable(EditorBrowsableState.Never)]
public void SetValue(BindableProperty property, object value)
{
- if (true == isCreateByXaml)
+ InternalSetValue(property, value);
+ ChangedPropertiesSetExcludingStyle.Add(property);
+ }
+
+ internal void InternalSetValue(BindableProperty property, object value)
+ {
+ if (true == IsBound)
{
SetValue(property, value, false, true);
}
{
throw new ArgumentNullException(nameof(property));
}
- property.PropertyChanged?.Invoke(this, null, value);
+
+ object oldvalue = null;
+ BindablePropertyContext context = GetOrCreateContext(property);
+ if (null != context)
+ {
+ context.Attributes |= BindableContextAttributes.IsManuallySet;
+ oldvalue = context.Value;
+ context.Value = value;
+ }
+
+ property.PropertyChanging?.Invoke(this, oldvalue, value);
+ property.PropertyChanged?.Invoke(this, oldvalue, value);
OnPropertyChanged(property.PropertyName);
+ OnPropertyChangedWithData(property);
}
}
- internal void SetValueAndForceSendChangeSignal(BindableProperty property, object value)
+ private HashSet<BindableProperty> changedPropertiesSetExcludingStyle;
+ internal protected HashSet<BindableProperty> ChangedPropertiesSetExcludingStyle
{
- if (property == null)
- throw new ArgumentNullException(nameof(property));
-
- if (true == isCreateByXaml)
+ get
{
- if (property.IsReadOnly)
- throw new InvalidOperationException(string.Format("The BindableProperty \"{0}\" is readonly.", property.PropertyName));
+ if (null == changedPropertiesSetExcludingStyle)
+ {
+ changedPropertiesSetExcludingStyle = new HashSet<BindableProperty>();
+ }
- SetValueCore(property, value, SetValueFlags.ClearOneWayBindings | SetValueFlags.ClearDynamicResource,
- SetValuePrivateFlags.ManuallySet | SetValuePrivateFlags.CheckAccess, true);
- }
- else
- {
- property.PropertyChanged?.Invoke(this, null, value);
+ return changedPropertiesSetExcludingStyle;
}
}
if (bpContext != null && ((bpContext.Attributes & BindableContextAttributes.IsManuallySet) != 0))
return;
- object oldContext = bindable._inheritedContext;
+ object oldContext = bindable.inheritedContext;
if (ReferenceEquals(oldContext, value))
return;
if (bpContext != null && bpContext.Binding != null)
{
bpContext.Binding.Context = value;
- bindable._inheritedContext = null;
+ bindable.inheritedContext = null;
}
else
{
- bindable._inheritedContext = value;
+ bindable.inheritedContext = value;
}
bindable.ApplyBindings(skipBindingContext: false, fromBindingContextChanged: true);
}
/// <summary>
- /// Apply the bindings to BindingContext.
+ /// Register the properties which can effect each other in Binding to same group.
/// </summary>
- /// This will be public opened in tizen_5.0 after ACR done. Before ACR, need to be hidden as inhouse API.
[EditorBrowsable(EditorBrowsableState.Never)]
- protected void ApplyBindings()
+ public static void RegisterPropertyGroup(BindableProperty property, HashSet<BindableProperty> group)
{
- ApplyBindings(skipBindingContext: false, fromBindingContextChanged: false);
+ if (!PropertyToGroup.ContainsKey(property))
+ {
+ PropertyToGroup.Add(property, group);
+ }
+
+ if (null != group && !(group.Contains(property)))
+ {
+ group.Add(property);
+ }
}
+ /// <summary>
+ /// Apply the bindings to BindingContext.
+ /// </summary>
+ /// This will be public opened in tizen_5.0 after ACR done. Before ACR, need to be hidden as inhouse API.
+ [EditorBrowsable(EditorBrowsableState.Never)]
+ protected void ApplyBindings() => ApplyBindings(skipBindingContext: false, fromBindingContextChanged: false);
/// <summary>
/// Override this method to execute an action when the BindingContext changes.
[EditorBrowsable(EditorBrowsableState.Never)]
protected virtual void OnPropertyChanging([CallerMemberName] string propertyName = null)
=> PropertyChanging?.Invoke(this, new PropertyChangingEventArgs(propertyName));
+
+ /// <summary>
+ /// Method that is called when a bound property is changed.
+ /// </summary>
+ [EditorBrowsable(EditorBrowsableState.Never)]
+ protected virtual void OnPropertyChangedWithData(BindableProperty prop) { }
/// <summary>
/// Unapplies all previously set bindings.
[EditorBrowsable(EditorBrowsableState.Never)]
protected void UnapplyBindings()
{
- for (int i = 0, _propertiesCount = _properties.Count; i < _propertiesCount; i++)
+ foreach (var context in properties.Values)
{
- BindablePropertyContext context = _properties[i];
if (context.Binding == null)
continue;
{
var values = new object[2];
- for (var i = 0; i < _properties.Count; i++)
+ foreach (var context in properties.Values)
{
- BindablePropertyContext context = _properties[i];
-
if (ReferenceEquals(context.Property, property0))
{
values[0] = context.Value;
{
var values = new object[3];
- for (var i = 0; i < _properties.Count; i++)
+ foreach (var context in properties.Values)
{
- BindablePropertyContext context = _properties[i];
-
if (ReferenceEquals(context.Property, property0))
{
values[0] = context.Value;
internal object[] GetValues(params BindableProperty[] properties)
{
var values = new object[properties.Length];
- for (var i = 0; i < _properties.Count; i++)
+ foreach (var context in this.properties.Values)
{
- var context = _properties[i];
var index = properties.IndexOf(context.Property);
if (index < 0)
continue;
if (fromStyle && !CanBeSetFromStyle(targetProperty))
return;
+ IsBound = true;
+
var context = GetOrCreateContext(targetProperty);
if (fromStyle)
context.Attributes |= BindableContextAttributes.IsSetFromStyle;
return false;
}
- internal void SetDynamicResource(BindableProperty property, string key)
- {
- SetDynamicResource(property, key, false);
- }
+ internal void SetDynamicResource(BindableProperty property, string key) => SetDynamicResource(property, key, false);
internal void SetDynamicResource(BindableProperty property, string key, bool fromStyle)
{
OnSetDynamicResource(property, key);
}
- internal void SetValue(BindableProperty property, object value, bool fromStyle)
- {
- SetValue(property, value, fromStyle, true);
- }
+ internal void SetValue(BindableProperty property, object value, bool fromStyle) => SetValue(property, value, fromStyle, true);
internal void SetValueCore(BindablePropertyKey propertyKey, object value, SetValueFlags attributes = SetValueFlags.None)
{
- SetValueCore(propertyKey.BindableProperty, value, attributes, SetValuePrivateFlags.None, false);
+ SetValueCore(propertyKey.BindableProperty, value, attributes, SetValuePrivateFlags.None);
}
/// <summary>
/// <param name="value">The value to set</param>
/// <param name="attributes">The set value flag</param>
[EditorBrowsable(EditorBrowsableState.Never)]
- internal void SetValueCore(BindableProperty property, object value, SetValueFlags attributes = SetValueFlags.None)
- {
- SetValueCore(property, value, attributes, SetValuePrivateFlags.Default, false);
- }
+ internal void SetValueCore(BindableProperty property, object value, SetValueFlags attributes = SetValueFlags.None) => SetValueCore(property, value, attributes, SetValuePrivateFlags.Default);
- internal void SetValueCore(BindableProperty property, object value, SetValueFlags attributes, SetValuePrivateFlags privateAttributes, bool forceSendChangeSignal)
+ internal void SetValueCore(BindableProperty property, object value, SetValueFlags attributes, SetValuePrivateFlags privateAttributes)
{
bool checkAccess = (privateAttributes & SetValuePrivateFlags.CheckAccess) != 0;
bool manuallySet = (privateAttributes & SetValuePrivateFlags.ManuallySet) != 0;
if (!converted && !property.TryConvert(ref value))
{
- Console.WriteLine("SetValue", "Can not convert {0} to type '{1}'", value, property.ReturnType);
+ Console.WriteLine($"SetValue : Can not convert {value} to type {property.ReturnType}");
return;
}
context.Attributes &= ~BindableContextAttributes.IsSetFromStyle;
}
else
+ {
context.Attributes &= ~BindableContextAttributes.IsManuallySet;
+ }
if (fromStyle)
+ {
context.Attributes |= BindableContextAttributes.IsSetFromStyle;
+ }
// else omitted on purpose
- bool currentlyApplying = _applying;
+ bool currentlyApplying = applying;
if ((context.Attributes & BindableContextAttributes.IsBeingSet) != 0)
{
else
{
context.Attributes |= BindableContextAttributes.IsBeingSet;
- SetValueActual(property, context, value, currentlyApplying, forceSendChangeSignal, attributes, silent);
+ SetValueActual(property, context, value, currentlyApplying, attributes, silent);
Queue<SetValueArgs> delayQueue = context.DelayedSetters;
if (delayQueue != null)
while (delayQueue.Count > 0)
{
SetValueArgs s = delayQueue.Dequeue();
- SetValueActual(s.Property, s.Context, s.Value, s.CurrentlyApplying, forceSendChangeSignal, s.Attributes);
+ SetValueActual(s.Property, s.Context, s.Value, s.CurrentlyApplying, s.Attributes);
}
context.DelayedSetters = null;
internal void ApplyBindings(bool skipBindingContext, bool fromBindingContextChanged)
{
- var prop = _properties.ToArray();
+ var prop = properties.Values.ToArray();
for (int i = 0, propLength = prop.Length; i < propLength; i++)
{
BindablePropertyContext context = prop[i];
}
}
+ /// <summary>
+ /// Check if object is bound or not.
+ /// This API used for legacy codes.
+ /// Should be removed after all app usage replaced into IsBound.
+ /// </summary>
+ [Obsolete("This has been deprecated in API11. Use IsBound property instead.")]
+ internal bool IsBinded
+ {
+ get
+ {
+ return IsBound;
+ }
+ set
+ {
+ IsBound = value;
+ }
+ }
+
+ /// <summary>
+ /// Check if object is bound or not.
+ /// </summary>
+ [EditorBrowsable(EditorBrowsableState.Never)]
+ public bool IsBound
+ {
+ get;
+ set;
+ } = false;
+
+ static void BindingContextPropertyChanged(BindableObject bindable, object oldvalue, object newvalue)
+ {
+ bindable.inheritedContext = null;
+ bindable.ApplyBindings(skipBindingContext: true, fromBindingContextChanged: true);
+ bindable.OnBindingContextChanged();
+
+ if (newvalue is BindableObject targetBindableObject)
+ {
+ targetBindableObject.IsBound = true;
+ }
+ }
+
static void BindingContextPropertyBindingChanging(BindableObject bindable, BindingBase oldBindingBase, BindingBase newBindingBase)
{
- object context = bindable._inheritedContext;
+ object context = bindable.inheritedContext;
var oldBinding = oldBindingBase as Binding;
var newBinding = newBindingBase as Binding;
newBinding.Context = context;
}
- static void BindingContextPropertyChanged(BindableObject bindable, object oldvalue, object newvalue)
- {
- bindable._inheritedContext = null;
- bindable.ApplyBindings(skipBindingContext: true, fromBindingContextChanged: true);
- bindable.OnBindingContextChanged();
- }
-
void ClearValue(BindableProperty property, bool fromStyle, bool checkAccess)
{
if (property == null)
if (!same)
{
OnPropertyChanged(property.PropertyName);
+ OnPropertyChangedWithData(property);
property.PropertyChanged?.Invoke(this, original, newValue);
}
}
else
context.Attributes = BindableContextAttributes.IsDefaultValueCreated;
- _properties.Add(context);
+ properties.Add(property, context);
return context;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
- BindablePropertyContext GetContext(BindableProperty property)
- {
- List<BindablePropertyContext> properties = _properties;
-
- for (var i = 0; i < properties.Count; i++)
- {
- BindablePropertyContext context = properties[i];
- if (ReferenceEquals(context.Property, property))
- return context;
- }
-
- return null;
- }
+ BindablePropertyContext GetContext(BindableProperty property) => properties.TryGetValue(property, out var result) ? result : null;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
BindablePropertyContext GetOrCreateContext(BindableProperty property)
{
context = CreateAndAddContext(property);
}
- else if (property.DefaultValueCreator != null)
+ else if (property.ValueGetter != null)
+ {
+ context.Value = property.ValueGetter(this); //Update Value from dali
+ }//added by xiaohui.fang
+ else if (property.DefaultValueCreator != null) //This will be removed in the future.
{
context.Value = property.DefaultValueCreator(this); //Update Value from dali
}//added by xb.teng
context.Binding = null;
}
- void SetValue(BindableProperty property, object value, bool fromStyle, bool checkAccess)
+ internal void SetValue(BindableProperty property, object value, bool fromStyle, bool checkAccess)
{
if (property == null)
throw new ArgumentNullException(nameof(property));
return;
SetValueCore(property, value, SetValueFlags.ClearOneWayBindings | SetValueFlags.ClearDynamicResource,
- (fromStyle ? SetValuePrivateFlags.FromStyle : SetValuePrivateFlags.ManuallySet) | (checkAccess ? SetValuePrivateFlags.CheckAccess : 0),
- false);
+ (fromStyle ? SetValuePrivateFlags.FromStyle : SetValuePrivateFlags.ManuallySet) | (checkAccess ? SetValuePrivateFlags.CheckAccess : 0));
}
- void SetValueActual(BindableProperty property, BindablePropertyContext context, object value, bool currentlyApplying, bool forceSendChangeSignal, SetValueFlags attributes, bool silent = false)
+ void SetValueActual(BindableProperty property, BindablePropertyContext context, object value, bool currentlyApplying, SetValueFlags attributes, bool silent = false)
{
object original = context.Value;
bool raiseOnEqual = (attributes & SetValueFlags.RaiseOnEqual) != 0;
}
}
- if (!silent)
+ PropertyToGroup.TryGetValue(property, out HashSet<BindableProperty> propertyGroup);
+
+ if (!silent && (!same || raiseOnEqual))
{
- if ((!same || raiseOnEqual))
+ property.PropertyChanged?.Invoke(this, original, value);
+
+ if (binding != null && !currentlyApplying)
{
- property.PropertyChanged?.Invoke(this, original, value);
+ applying = true;
+ binding.Apply(true);
+ applying = false;
+ }
- if (binding != null && !currentlyApplying)
- {
- _applying = true;
- binding.Apply(true);
- _applying = false;
- }
+ OnPropertyChanged(property.PropertyName);
- OnPropertyChanged(property.PropertyName);
- }
- else if (true == same && true == forceSendChangeSignal)
+ if (null != propertyGroup)
{
- if (binding != null && !currentlyApplying)
+ foreach (var relativeProperty in propertyGroup)
{
- _applying = true;
- binding.Apply(true);
- _applying = false;
- }
+ if (relativeProperty != property)
+ {
+ var relativeContext = GetOrCreateContext(relativeProperty);
+ var relativeBinding = relativeContext.Binding;
+
+ if (null != relativeBinding)
+ {
+ applying = true;
+ relativeBinding.Apply(true);
+ applying = false;
+ }
- OnPropertyChanged(property.PropertyName);
+ OnPropertyChanged(relativeProperty.PropertyName);
+ }
+ }
}
+
+ OnPropertyChangedWithData(property);
}
}
+ private static Dictionary<BindableProperty, HashSet<BindableProperty>> PropertyToGroup { get; }
+ = new Dictionary<BindableProperty, HashSet<BindableProperty>>();
+
[Flags]
enum BindableContextAttributes
{
Attributes = attributes;
}
}
+
+ internal void ReplaceBindingElement(Dictionary<string, object> oldNameScope, Dictionary<string, object> newNameScope)
+ {
+ var xElementToNameOfOld = new Dictionary<object, string>();
+
+ foreach (var pair in oldNameScope)
+ {
+ xElementToNameOfOld.Add(pair.Value, pair.Key);
+ }
+
+ foreach (var property in properties)
+ {
+ if (property.Value.Binding is Binding binding && null != binding.Source)
+ {
+ string xName;
+ xElementToNameOfOld.TryGetValue(binding.Source, out xName);
+
+ if (null != xName)
+ {
+ var newObject = newNameScope[xName];
+ binding.Unapply();
+ binding.Source = newObject;
+ SetBinding(property.Key, binding);
+ }
+ }
+ }
+
+ if (null != BindingContext)
+ {
+ string xName;
+ xElementToNameOfOld.TryGetValue(BindingContext, out xName);
+
+ if (null != xName)
+ {
+ var newObject = newNameScope[xName];
+ BindingContext = newObject;
+ }
+ }
+ }
+
+ /// <summary>
+ /// Unapplies all previously set bindings.
+ /// </summary>
+ [EditorBrowsable(EditorBrowsableState.Never)]
+ public void ClearBinding()
+ {
+ foreach (var property in properties)
+ {
+ if (null != property.Value.Binding)
+ {
+ property.Value.Binding.Unapply();
+ }
+ }
+ }
}
}
projects / platform / core / csapi / tizenfx.git / blobdiff