Statement UpdateValue(Property prop, Expression value)
{
var setArgs = new[] { _selfExpression, value };
if (prop.IsAttachedProperty())
{
var setMethod = prop.GetSetMethodName();
return(new CallStaticMethod(setMethod, setArgs));
}
if (_ctx.IsDeclaredInUx(prop))
{
var nameString = new StringLiteral(prop.GetMemberName().Name);
var nameSelector = new Instantiate(TypeName.Parse("Uno.UX.Selector"), nameString);
var origin = new StringLiteral(null); // dummy origin
return(new CallStaticMethod(
StaticMemberName.Parse("Uno.UX.SimulatedProperties.Set"),
_selfExpression, nameString, value, origin)
+ new CallStaticMethod(
StaticMemberName.Parse("Uno.UX.PropertyObject.EmulatePropertyChanged"),
_selfExpression, nameSelector, origin));
}
return(new WriteProperty(_selfExpression, prop.GetMemberName(), value));
}
static Expression GetExpression(this GlobalReferenceValue grv, Context ctx)
{
if (grv.ResolvedValue != null)
{
return(grv.ResolvedValue.GetExpression(ctx));
}
var globalName = new Variable(grv.ToLiteral());
if (ctx.Names.Contains(globalName))
{
return(new ReadVariable(globalName));
}
return(new ReadStaticField(StaticMemberName.Parse(grv.ToLiteral())));
}
public static Expression GetExpression(this Node node, Context ctx)
{
var resourceNode = node as ResourceRefNode;
if (resourceNode != null)
{
var globalName = new Variable(resourceNode.StaticRefId);
if (ctx.Names.Contains(globalName))
{
return(new ReadVariable(globalName));
}
return(new ReadStaticField(StaticMemberName.Parse(resourceNode.StaticRefId)));
}
return(new ReadVariable(ctx.Names[node]));
}
static Expression GetPropertyExpression(Context ctx, Property property, Optional <Expression> maybeObj)
{
var propertyName = property.GetMemberName();
var propertyType = property.Facet.DataType.GetTypeName();
var vars = ctx.Names;
var propObj = vars.GetUniqueName();
vars = vars.Reserve(propObj);
var value = vars.GetUniqueName();
vars = vars.Reserve(value);
var origin = vars.GetUniqueName();
vars = vars.Reserve(origin);
if (ctx.IsDeclaredInUx(property))
{
var setter = new Lambda(
signature: Signature.Action(propObj, value, origin),
localVariables: new BindVariable[0],
statements: new Statement[]
{
new CallStaticMethod(
StaticMemberName.Parse("Uno.UX.SimulatedProperties.Set"),
new ReadVariable(propObj),
new StringLiteral(propertyName.Name),
new ReadVariable(value),
new ReadVariable(origin))
});
var getter = new Lambda(
signature: new Signature(List.Create(new Parameter(TypeName.Parse("object"), propObj)), propertyType),
localVariables: new BindVariable[0],
statements: new Statement[]
{
new Return(
new CallStaticMethod(
StaticMemberName.Parse("Uno.UX.SimulatedProperties.Get"),
new ReadVariable(propObj),
new StringLiteral(propertyName.Name))),
});
var mp = (IMutableProperty)property.Facet;
return(new Instantiate(
UxPropertyType.Parameterize(propertyType),
setter,
getter,
maybeObj.Or((Expression) new StringLiteral(null)),
// the only null we've got is string
new StringLiteral(propertyName.Name),
new BooleanLiteral(mp.OriginSetterName != null)
));
}
else
{
var obj = maybeObj.Or((Expression) new ReadVariable(propObj));
var setter = new Lambda(
signature: Signature.Action(propObj, value, origin),
localVariables: new BindVariable[0],
statements: new[]
{
property.SetValueStatement(ctx, obj, new ReadVariable(value), new ReadVariable(origin))
});
var getter = new Lambda(
signature: new Signature(List.Create(new Parameter(TypeName.Parse("object"), propObj)), propertyType),
localVariables: new BindVariable[0],
statements: new[]
{
new Return(property.GetValueStatement(ctx, obj))
});
var mp = (IMutableProperty)property.Facet;
return(new Instantiate(
UxPropertyType.Parameterize(propertyType),
setter,
getter,
maybeObj.Or((Expression) new StringLiteral(null)),
// the only null we've got is string
new StringLiteral(propertyName.Name),
new BooleanLiteral(mp.OriginSetterName != null)
));
}
}
