public GridViewRelationDataProvider(GridViewTemplate template)
: base(template)
{
this.relation = template.MasterTemplate.Relations.Find(template.Parent, template);
if (this.relation == null)
{
return;
}
this.comparer = new GridViewRelationRowComparer(this.relation);
this.indexer = new AvlTree <GridViewRowInfo>((IComparer <GridViewRowInfo>) this.comparer);
this.Refresh();
this.Template.ListSource.CollectionChanged += new NotifyCollectionChangedEventHandler(this.ListSource_CollectionChanged);
}
public GridViewSelfReferenceComparer(GridViewRelation relation)
{
this.relation = relation;
this.parentColumns = new GridViewColumn[relation.ParentColumnNames.Count];
for (int index = 0; index < this.relation.ParentColumnNames.Count; ++index)
{
this.parentColumns[index] = (GridViewColumn)this.relation.ParentTemplate.Columns[this.relation.ParentColumnNames[index]];
}
this.childColumns = new GridViewColumn[relation.ChildColumnNames.Count];
for (int index = 0; index < this.relation.ChildColumnNames.Count; ++index)
{
this.childColumns[index] = (GridViewColumn)this.relation.ChildTemplate.Columns[this.relation.ChildColumnNames[index]];
}
}
public void CopyTo(GridViewRelation relation)
{
relation.RelationName = this.relationName;
relation.parentTemplate = this.parentTemplate;
relation.childTemplate = this.childTemplate;
for (int index = 0; index < this.ParentColumnNames.Count; ++index)
{
relation.ParentColumnNames.Add(this.parentColumnNames[index]);
}
for (int index = 0; index < this.ChildColumnNames.Count; ++index)
{
relation.ChildColumnNames.Add(this.childColumnNames[index]);
}
}
object ICloneable.Clone()
{
GridViewRelation gridViewRelation = new GridViewRelation();
gridViewRelation.RelationName = this.relationName;
gridViewRelation.parentTemplate = this.parentTemplate;
gridViewRelation.childTemplate = this.childTemplate;
for (int index = 0; index < this.ParentColumnNames.Count; ++index)
{
gridViewRelation.ParentColumnNames.Add(this.parentColumnNames[index]);
}
for (int index = 0; index < this.ChildColumnNames.Count; ++index)
{
gridViewRelation.ChildColumnNames.Add(this.childColumnNames[index]);
}
return((object)gridViewRelation);
}
public static GridViewHierarchyDataProvider Create(
GridViewRelation relation)
{
if (relation == null)
{
return((GridViewHierarchyDataProvider)null);
}
if (relation.IsSelfReference)
{
return((GridViewHierarchyDataProvider) new GridViewSelfReferenceDataProvider(relation.ChildTemplate));
}
if (relation.IsObjectRelational)
{
return((GridViewHierarchyDataProvider) new GridViewObjectRelationalDataProvider(relation.ChildTemplate));
}
return((GridViewHierarchyDataProvider) new GridViewRelationDataProvider(relation.ChildTemplate));
}
public int CompareTo(object obj)
{
GridViewRelation gridViewRelation = obj as GridViewRelation;
if (gridViewRelation == null || this.ParentTemplate != gridViewRelation.ParentTemplate || (this.ChildTemplate != gridViewRelation.ChildTemplate || this.ParentColumnNames.Count != gridViewRelation.parentColumnNames.Count) || this.ChildColumnNames.Count != gridViewRelation.ChildColumnNames.Count)
{
return(-1);
}
for (int index = 0; index < this.ParentColumnNames.Count; ++index)
{
if (this.ParentColumnNames[index].CompareTo(gridViewRelation.ParentColumnNames[index]) != 0)
{
return(-1);
}
}
for (int index = 0; index < this.ChildColumnNames.Count; ++index)
{
if (this.ChildColumnNames[index].CompareTo(gridViewRelation.ChildColumnNames[index]) != 0)
{
return(-1);
}
}
return(0);
}
private void FillParentData()
{
GridViewHierarchyRowInfo parent = this.Parent as GridViewHierarchyRowInfo;
if (parent == null)
{
return;
}
GridViewRelation relation = this.ViewTemplate.HierarchyDataProvider.Relation;
if (relation == null)
{
return;
}
for (int index = 0; index < relation.ChildColumnNames.Count; ++index)
{
GridViewColumn column = (GridViewColumn)this.ViewTemplate.Columns[relation.ChildColumnNames[index]];
if (column != null)
{
this[column] = parent[(GridViewColumn)parent.ViewTemplate.Columns[relation.ParentColumnNames[index]]];
}
}
this.InvalidateRow();
}
public GridViewRelationRowComparer(GridViewRelation relation)
{
this.relation = relation;
this.Reset();
}
public GridViewObjectRelationalDataProvider(GridViewTemplate template)
: base(template)
{
this.relation = template.MasterTemplate.Relations.Find(template.Parent, template);
}
