/// <summary>
/// Generates code in
/// </summary>
/// <param name="genAttr"></param>
/// <param name="parentWriter"></param>
/// <remarks></remarks>
private void GenInMember(NotifyPropertyChanged_GenAttribute genAttr, Writer parentWriter)
{
var prop = genAttr.ParentProperty;
//!Parent can be either CodeFunction(only for ExtraNotifications) or CodeProperty
string code = null;
switch (genAttr.GenerationType)
{
case NotifyPropertyChanged_GenAttribute.GenerationTypes.NotifyOnly:
//Only notification
code = string.Format("this.NotifyChanged({0})", prop.Name);
break;
default:
code = (genAttr.ParentProperty != null) ? string.Format("this.SetPropertyAndNotify(ref _{0}, value, \"{0}\");", prop.Name) : "";
break;
}
//Extra notifications
var extraNotifyCode = GenInMember_ExtraNotifications(genAttr, parentWriter);
code = code.Conjoin(Environment.NewLine, extraNotifyCode);
//Code Element, could be property setter or a method
var codeElement = (CodeFunction2)((prop != null) ? prop.Setter : genAttr.ParentFunction);
var memberWriter = new Writer(parentWriter)
{
GenAttribute = genAttr, SearchStart = codeElement.StartPoint, SearchEnd = codeElement.EndPoint, Content = code, SegmentType = Types.Statements
};
//Find insertion point
EditPoint insertPoint = null;
var insertTag = Manager.FindInsertionPoint(memberWriter);
if (insertTag == null)
{
//!No insertion point tag specified, by default insert as last line of setter
insertPoint = codeElement.GetPositionBeforeClosingBrace();
//always insert new line in case the everything in one line
}
else
{
//!InsertPoint Tag found, insert right after it
insertPoint = insertTag.EndPoint.CreateEditPoint();
insertPoint.LineDown(1);
insertPoint.StartOfLine();
}
memberWriter.InsertStart = insertPoint;
Manager.InsertOrReplace(memberWriter);
}
/// <summary>
/// Generate code that will notify other propertyName different from the member with the attribute.
/// </summary>
/// <param name="genAttr"></param>
/// <param name="parentWriter"></param>
/// <remarks>
/// Example Add NotifyPropertyChanged_GenAttribute with ExtraNotifications="OtherProperty1,OtherProperty2" to SomeProperty.
/// This method will generate code for Notify("OtherProperty1") and Notify("OtherProperty2") within that member
/// This is useful for Property that affects other Property, or a method that affects another property.
/// This has the advantage of generation/compile time verification of the properties
/// </remarks>
private string GenInMember_ExtraNotifications(NotifyPropertyChanged_GenAttribute genAttr, Writer parentWriter)
{
//Render extra notifications (notifications for other related properties)
if (string.IsNullOrEmpty(genAttr.ExtraNotifications))
{
return(null);
}
//also split by space to trim it
var extras = genAttr.ExtraNotifications.Split(new[] { ",", " " }, StringSplitOptions.RemoveEmptyEntries);
//Verify that all properties listed in ExtraNotification actually exists
var invalids = genAttr.ValidateExtraNotifications(parentWriter.Class, extras);
if (invalids.Any())
{
parentWriter.HasError = true;
parentWriter.Status.AppendFormat("Properties:{0} to be notified are not found in the class", string.Join(", ", invalids));
return("");
}
return(string.Format("this.NotifyChanged({0});", string.Join(",", extras.Select((x) => x.Quote()))));
}
/// <summary>
/// Generates code in
/// </summary>
/// <param name="genAttr"></param>
/// <param name="parentWriter"></param>
/// <remarks></remarks>
private void GenInMember(NotifyPropertyChanged_GenAttribute genAttr, Writer parentWriter)
{
var prop = genAttr.ParentProperty;
//!Parent can be either CodeFunction(only for ExtraNotifications) or CodeProperty
string code = null;
switch (genAttr.GenerationType)
{
case NotifyPropertyChanged_GenAttribute.GenerationTypes.NotifyOnly:
//Only notification
code = string.Format("this.NotifyChanged({0})", prop.Name);
break;
default:
code = (genAttr.ParentProperty != null) ? string.Format("this.SetPropertyAndNotify(ref _{0}, value, \"{0}\");", prop.Name) : "";
break;
}
//Extra notifications
var extraNotifyCode = GenInMember_ExtraNotifications(genAttr, parentWriter);
code = code.Conjoin(Environment.NewLine, extraNotifyCode);
//Code Element, could be property setter or a method
var codeElement = (CodeFunction2)((prop != null) ? prop.Setter : genAttr.ParentFunction);
var memberWriter = new Writer(parentWriter) {GenAttribute = genAttr, SearchStart = codeElement.StartPoint, SearchEnd = codeElement.EndPoint, Content = code, SegmentType = Types.Statements};
//Find insertion point
EditPoint insertPoint = null;
var insertTag = Manager.FindInsertionPoint(memberWriter);
if (insertTag == null)
{
//!No insertion point tag specified, by default insert as last line of setter
insertPoint = codeElement.GetPositionBeforeClosingBrace();
//always insert new line in case the everything in one line
}
else
{
//!InsertPoint Tag found, insert right after it
insertPoint = insertTag.EndPoint.CreateEditPoint();
insertPoint.LineDown(1);
insertPoint.StartOfLine();
}
memberWriter.InsertStart = insertPoint;
Manager.InsertOrReplace(memberWriter);
}
/// <summary>
/// Generate code that will notify other propertyName different from the member with the attribute.
/// </summary>
/// <param name="genAttr"></param>
/// <param name="parentWriter"></param>
/// <remarks>
/// Example Add NotifyPropertyChanged_GenAttribute with ExtraNotifications="OtherProperty1,OtherProperty2" to SomeProperty.
/// This method will generate code for Notify("OtherProperty1") and Notify("OtherProperty2") within that member
/// This is useful for Property that affects other Property, or a method that affects another property.
/// This has the advantage of generation/compile time verification of the properties
/// </remarks>
private string GenInMember_ExtraNotifications(NotifyPropertyChanged_GenAttribute genAttr, Writer parentWriter)
{
//Render extra notifications (notifications for other related properties)
if (string.IsNullOrEmpty(genAttr.ExtraNotifications)) {
return null;
}
//also split by space to trim it
var extras = genAttr.ExtraNotifications.Split(new[] { ",", " " }, StringSplitOptions.RemoveEmptyEntries);
//Verify that all properties listed in ExtraNotification actually exists
var invalids = genAttr.ValidateExtraNotifications(parentWriter.Class, extras);
if (invalids.Any()) {
parentWriter.HasError = true;
parentWriter.Status.AppendFormat("Properties:{0} to be notified are not found in the class", string.Join(", ", invalids));
return "";
}
return string.Format("this.NotifyChanged({0});", string.Join(",", extras.Select((x) => x.Quote())));
}
