protected override void OnInitialized()
{
Property targetProperty = Owner[this.targetPropertyName];
BooleanProperty sourceProperty = (BooleanProperty)Owner[this.sourceBooleanPropertyName];
if (0 == string.Compare(targetProperty.Name, sourceProperty.Name, StringComparison.InvariantCulture))
{
throw new ArgumentException("source and target properties must be different");
}
Sync();
sourceProperty.ValueChanged += new EventHandler(SourceProperty_ValueChanged);
}
protected override void OnInitialized()
{
// Verify the sourcePropertyName is not in targetPropertyNames
if (-1 != Array.IndexOf(this.targetPropertyNames, this.sourcePropertyName))
{
throw new ArgumentException("sourceProperty may not be in the list of targetProperties");
}
// Verify that the intersection of this rule's targetProperty and that of all the other Link*'d rules is empty
Set <string> ourTargetPropertyNamesSet = null;
foreach (PropertyCollectionRule rule in Owner.Rules)
{
var asLinkRule = rule as LinkValuesBasedOnBooleanRule <TValue, TProperty>;
if (asLinkRule != null && !object.ReferenceEquals(this, asLinkRule))
{
if (ourTargetPropertyNamesSet == null)
{
ourTargetPropertyNamesSet = new Set <string>(this.targetPropertyNames);
}
Set <string> theirTargetPropertyNamesSet = new Set <string>(asLinkRule.targetPropertyNames);
Set <string> intersection = Set <string> .Intersect(ourTargetPropertyNamesSet, theirTargetPropertyNamesSet);
if (intersection.Count != 0)
{
throw new ArgumentException("Cannot assign a property to be linked with more than one LinkValuesBasedOnBooleanRule instance");
}
}
}
// Verify every property is of type TProperty
// That all the ranges are the same
// Sign up for events
TProperty firstProperty = (TProperty)this.Owner[this.targetPropertyNames[0]];
foreach (string targetPropertyName in this.targetPropertyNames)
{
TProperty targetProperty = (TProperty)this.Owner[targetPropertyName];
if (!(targetProperty is TProperty))
{
throw new ArgumentException("All of the target properties must be of type TProperty (" + typeof(TProperty).FullName + ")");
}
if (!ScalarProperty <TValue> .IsEqualTo(targetProperty.MinValue, firstProperty.MinValue) ||
!ScalarProperty <TValue> .IsEqualTo(targetProperty.MaxValue, firstProperty.MaxValue))
{
throw new ArgumentException("All of the target properties must have the same min/max range");
}
targetProperty.ValueChanged += new EventHandler(TargetProperty_ValueChanged);
}
BooleanProperty sourceProperty = (BooleanProperty)this.Owner[sourcePropertyName];
sourceProperty.ValueChanged += new EventHandler(SourceProperty_ValueChanged);
Sync();
}
// When inverse=false, the target properties will be linked when sourceProperty == true
public LinkValuesBasedOnBooleanRule(IEnumerable <TProperty> targetProperties, BooleanProperty sourceProperty, bool inverse)
: this(new List <TProperty>(targetProperties).ConvertAll(p => p.Name).ToArray(), sourceProperty.Name, inverse)
{
}
private BooleanProperty(BooleanProperty copyMe, BooleanProperty sentinelNotUsed)
: base(copyMe, sentinelNotUsed)
{
}
public ReadOnlyBoundToBooleanRule(Property targetProperty, BooleanProperty sourceProperty, bool inverse)
: this(targetProperty.Name, sourceProperty.Name, inverse)
{
}