/// <summary>
/// Creates and returns a generic ItemsGridControl container for an IModelEntity class collection datasource.
/// Optionally, a list of explicit Property Tech-Name plus DataGridColumn (null for hide) pairs can be specified (to be attached for matching Context entity properties).
/// </summary>
public static ItemsGridMaintainer <TEntity, TItem> CreateItemsGridControl <TEntity, TItem>(TEntity DataSourceOwner, IList <TItem> DataSource, Func <object, bool> DirectEditingConfirmator,
params Tuple <string, DataGridColumn>[] ColumnControls)
where TEntity : class, IModelEntity
where TItem : class, IModelEntity
{
// Create columns
var Definitor = MModelClassDefinitor.GetDefinitor(typeof(TItem));
var ColDefs = new List <Tuple <IIdentifiableElement, DataGridColumn> >(Definitor.Properties.Count());
var DisplayProperties = Definitor.Properties.OrderBy(prop => !prop.IsEditControlled).ThenBy(prop => prop.IsAdvanced);
foreach (var Property in DisplayProperties)
{
if (Property.IsDirectlyEditable)
{
var ExplicitColumnControl = (ColumnControls == null ? null : ColumnControls.FirstOrDefault(colctl => colctl.Item1 == Property.TechName));
if (ExplicitColumnControl == null)
{
ColDefs.Add(Tuple.Create <IIdentifiableElement, DataGridColumn>(Property, CreateGridColumn(DataSourceOwner, Property)));
}
else
if (ExplicitColumnControl.Item2 != null)
{
ColDefs.Add(Tuple.Create <IIdentifiableElement, DataGridColumn>(Property, ExplicitColumnControl.Item2));
}
}
}
// Call the control creator.
var Result = CreateItemsGridMaintainer(DataSourceOwner, DataSource, DirectEditingConfirmator, ColDefs.ToArray());
return(Result);
}
/// <summary>
/// Constructor.
/// </summary>
public ModelClassDefinitor(string TechName, MModelClassDefinitor AncestorDefinitor = null,
string Name = "", string Summary = "" /*- ,
* Func<TModelClass, IList<string>> InstanceValidator = null*/)
: base(TechName, Name, Summary, typeof(TModelClass), AncestorDefinitor)
{
this.RegisterDefinitor(this);
//- this.InstanceValidator = InstanceValidator;
}
/// <summary>
/// Register a model-class type as exposed to template-based extraction (such as code generation).
/// Accepts a list of explicit Members to be exposed.
/// </summary>
internal static Tuple <Type, bool, string[], string[]> ExposeForTemplateBasedExtraction(MModelClassDefinitor ClassDefinitor,
bool IsGenericBase = false, params string[] ExplicitMembers)
{
return(ExposeForTemplateBasedExtraction(ClassDefinitor.DeclaringType, IsGenericBase, ExplicitMembers));
}
/// <summary>
/// Register the owner declarator of this member/definitor and assemble any related behaviors (such as setter interception).
/// </summary>
internal override void AssignDeclarator(MModelClassDefinitor DeclaringDefinitor)
{
this.DeclaringDefinitor = DeclaringDefinitor;
}
/// <summary>
/// Populates properties of a target model instance, plus returning it, with these from the supplied one.
/// </summary>
/// <param name="Target">Target model instance for which populate/overwrite property values.</param>
/// <param name="Source">Source model instance from which get property values.</param>
///
/// <param name="TargetOwner">Model instance owning the Target (intended to update owner references of the Source).</param>
/// <param name="CloningScope">Indicates to make a copy of the populated value through the dependant object hierarchy.</param>
/// <param name="IsForCloning">Indicates whether the population will be performed on a clone.</param> // See below
/// <param name="AsActive">Indicates whether the new clone will be active (i.e. will notify changes and store them for undo/redo).</param>
/// <param name="MemberNames">Optional explicit member names to be populated (when empty, all members are populated).</param>
/// <returns>The populated target model instance.</returns>
public TModelClass PopulateInstance(TModelClass Target, TModelClass Source, IMModelClass TargetOwner,
ECloneOperationScope CloningScope = ECloneOperationScope.Slight,
bool IsForCloning = false, bool AsActive = true, params string[] MemberNames)
{
General.ContractRequiresNotNull(Target, Source);
if (!AsActive)
{
MModelClassDefinitor.RegisterPassiveInstance(Target);
}
/*T
* var SouCD = Source.ClassDefinition;
* var TarCD = Target.ClassDefinition;
* var AreEq = (SouCD == TarCD);
*
* string PopulatingKind = null;
*
* var PopulatingPrefix = " ".Replicate(PopulationLevel * 2);
*
* if (Target is IMModelEntityAgent)
* PopulatingKind = "ENT->AGT";
* else
* PopulatingKind = "AGT->ENT";
*
* Console.WriteLine(PopulatingPrefix + "AT-POPULATE (" + PopulatingKind + ")... Source=[{0}:{1}], Target=[{2}:{3}], ClassDefsAreEqual=[{4}], Scope={5}, Members={6}",
* SouCD, Source.GetHashCode(), TarCD, Target.GetHashCode(), AreEq, CloningScope,
* (MemberNames == null || MemberNames.Length < 1 ? "<ALL>" : MemberNames.GetConcatenation(null,";"))); */
if (!Target.ClassDefinition.DeclaringType.InheritsFrom(this.DeclaringType))
{
throw new UsageAnomaly("The supplied Target instance is not defined by this model class definitor",
new DataWagon("target-ClassDef", this).Add("Target instance", Target));
}
if (!this.IsCompatibleClassDefinition(Source.ClassDefinition))
{
throw new UsageAnomaly("Cannot populate a model class instance from an incompatible one (must be of the same type or descendant of it)",
new DataWagon("target-ClassDef", this).Add("source-ClassDef", Source.ClassDefinition));
}
// Determine properties to be populated
var TargetProperties = (MemberNames == null || MemberNames.Length < 1
? Source.ClassDefinition.Properties // IMPORTANT: Do not use 'this.Collections' (that way descendants members are not considered!)
: Source.ClassDefinition.Properties.Where(prop => prop.TechName.IsOneOf(MemberNames)));
// First, populate relevant properties, such as owner referencers
var InitialProperties = TargetProperties.Where(prop => prop.ReferencesOwner.HasValue).ToArray();
// PENDING: Treat Sub-Owners properly (reappoint cloned references to the cloned sub-owners, not to the original ones)
PopulateProperties(Target, Source, (CloningScope == ECloneOperationScope.DeepAndEquivalent ? null : TargetOwner),
CloningScope, IsForCloning, InitialProperties);
// Second, populate all collections (some of the remaining properties depends on some of them)
var TargetCollections = (MemberNames == null || MemberNames.Length < 1
? Source.ClassDefinition.Collections // IMPORTANT: Do not use 'this.Collections' (that way descendants members are not considered!)
: Source.ClassDefinition.Collections.Where(coll => coll.TechName.IsOneOf(MemberNames))).ToArray();
foreach (var CollDef in TargetCollections)
{
var TargetCollection = (EditableCollection)CollDef.Read(Target);
var SourceCollection = (EditableCollection)CollDef.Read(Source);
/*T if (TargetCollection != null && TargetCollection.Name == "MarkerDefinitions")
* {
* Console.WriteLine(CallingPrefix + "........................................................................");
* Console.WriteLine(CallingPrefix + "MarkerDefs are the same: {0}", TargetCollection.IsEqual(SourceCollection));
* Console.WriteLine(CallingPrefix + "Source: HC={0}, ItemsCnt={1}", SourceCollection.GetHashCode(), SourceCollection.Count);
* Console.WriteLine(CallingPrefix + "Target: HC={0}, ItemsCnt={1}", TargetCollection.GetHashCode(), TargetCollection.Count);
* } */
/*T if (TargetCollection != null && TargetCollection.Name == "TextFormats")
* {
* Console.WriteLine("Populating coll TextFormats >>>>>>>>>>>>>>>>>>>>>");
* Console.WriteLine("SourceEnt: {0}, TargetEnt: {1}", Source.GetHashCode(), Target.GetHashCode());
* Console.WriteLine("TextFormats are the same: {0}", TargetCollection.IsEqual(SourceCollection));
* Console.WriteLine("SourceColl: HC={0}, ItemsCnt={1}", SourceCollection.GetHashCode(), SourceCollection.Count);
* Console.WriteLine("TargetColl: HC={0}, ItemsCnt={1}", TargetCollection.GetHashCode(), TargetCollection.Count);
* Console.WriteLine("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<");
* } */
if (SourceCollection == null)
{
CollDef.Write(Target, SourceCollection);
continue;
}
// IMPORTANT: Remember that SourceCollection, if not cloned,
// will still be pointing to its original Variating-Instance.
var DoClone = CollDef.IsCloneableFor(CloningScope, Source);
if (DoClone.Item1)
{
//T PopulationLevel++;
CollDef.Write(Target, SourceCollection.DuplicateFor(Target as IModelEntity, Target, DoClone.Item2));
//T PopulationLevel--;
}
else
{
CollDef.Write(Target, SourceCollection); //? Consider: TargetCollection.UpdateContentFrom(SourceCollection);
}
}
// Third, populate the remaining properties (remember that some of these depend on collections)
var RemainingProperties = TargetProperties.Where(prop => !prop.ReferencesOwner.HasValue).ToArray();
PopulateProperties(Target, Source, (CloningScope == ECloneOperationScope.DeepAndEquivalent ? null : TargetOwner),
CloningScope, IsForCloning, RemainingProperties);
if (CloningScope != ECloneOperationScope.DeepAndEquivalent)
{
// Generate new GUID for Unique-Element's Global-Id.
var TargetElement = Target as UniqueElement;
if (TargetElement != null)
{
TargetElement.GlobalId = Guid.NewGuid();
}
}
return(Target);
}
