public static DataView AsDataView(this CremaDataTable table)
{
var view = table.InternalObject.AsDataView();
view.Sort = string.Join(",", table.Columns.Select(item => item.ColumnName));
return(view);
}
public InternalDataTable(CremaDataTable target, string name, string categoryPath)
: base(name, categoryPath)
{
this.childList2 = new ReadOnlyObservableCollection <InternalDataTable>(this.childList);
if (base.ChildItems is INotifyCollectionChanged childTables)
{
childTables.CollectionChanged += ChildTables_CollectionChanged;
}
this.attributeTag = new InternalAttribute(CremaSchema.Tags, typeof(string))
{
AllowDBNull = false,
DefaultValue = TagInfo.All.ToString(),
};
this.Columns.Add(this.attributeTag);
this.attributeEnable = new InternalAttribute(CremaSchema.Enable, typeof(bool))
{
AllowDBNull = false,
DefaultValue = true,
};
this.Columns.Add(this.attributeEnable);
base.Target = target ?? new CremaDataTable(this);
this.Columns.CollectionChanged += Columns_CollectionChanged;
this.Constraints.CollectionChanged += Constraints_CollectionChanged;
this.creationInfo = this.modificationInfo = this.SignatureDateProvider.Provide();
}
public TableInfo Filter(TagInfo tags)
{
var tableInfo = this;
tableInfo.Columns = tableInfo.Columns.Where(item => (item.DerivedTags & tags) != TagInfo.Unused).ToArray();
tableInfo.HashValue = CremaDataTable.GenerateHashValue(tableInfo.Columns);
return(tableInfo);
}
public static CremaDataTable ReadSchema(XmlReader reader, ItemName itemName)
{
var dataTable = new CremaDataTable();
var schemaReader = new CremaSchemaReader(dataTable, itemName);
schemaReader.Read(reader);
return(dataTable);
}
internal void CopyTo(CremaDataTable dest)
{
foreach (CremaDataColumn item in this.Columns)
{
item.CopyTo(dest.Columns[item.ColumnName]);
}
dest.CategoryPath = this.CategoryPath;
}
public CremaDataRow[] GetChildRows(CremaDataTable childTable)
{
if (childTable.Parent != this.Table)
{
return(null);
}
var relationName = InternalSetBase.GenerateRelationName(this.Table.TableName, childTable.TableName, this.Table.Namespace);
return(this.row.GetChildRows(relationName).Select(item => (item as InternalDataRow).Target).ToArray());
}
public static string GetTableName(object component)
{
if (component is DataRowView == false)
{
throw new ArgumentException();
}
var rowView = component as DataRowView;
return(CremaDataTable.GetTableName(rowView.Row.Table.TableName));
}
public CremaTemplate(CremaDataTable targetTable)
{
if (targetTable == null)
{
throw new ArgumentNullException(nameof(targetTable));
}
if (targetTable.TemplateNamespace != string.Empty)
{
throw new ArgumentException(Resources.Exception_CannotEditInheritedTable, nameof(targetTable));
}
this.builder = new CremaTemplateColumnBuilder(this);
this.template = new InternalTemplate(this, this.builder)
{
TargetTable = (InternalDataTable)targetTable
};
this.attributes = new CremaAttributeCollection(this.template);
this.columns = new CremaTemplateColumnCollection(this.template);
this.AttachEventHandlers();
}
public CremaDataTable Copy(ItemName itemName, bool copyData)
{
this.ValidateCopy(itemName);
var schema = this.GetXmlSchema();
var xml = copyData == true?this.GetXml() : null;
if (this.DataSet != null)
{
this.DataSet.ReadXmlSchemaString(schema, itemName);
if (xml != null)
{
this.DataSet.ReadXmlString(xml, itemName);
}
var dataTable = this.DataSet.Tables[itemName.Name, itemName.CategoryPath];
var signatureDate = this.SignatureDateProvider.Provide();
dataTable.DetachTemplatedParent();
foreach (var item in EnumerableUtility.Friends(dataTable, dataTable.childs))
{
item.InternalTableID = Guid.NewGuid();
item.CreationInfo = signatureDate;
}
dataTable.UpdateRevision(this.Revision);
return(dataTable);
}
using (var sr = new StringReader(schema))
using (var reader = XmlReader.Create(sr))
{
var dataTable = CremaDataTable.ReadSchema(reader, itemName);
if (xml != null)
{
dataTable.ReadXmlString(xml);
}
dataTable.UpdateRevision(this.Revision);
return(dataTable);
}
}
public CremaDataSet Filter(CremaDataSet srcDataSet, CremaDataSet destDataSet, TagInfo tags)
{
CremaDataTable parentDestDataTable = null;
if (this.Parent != null)
{
parentDestDataTable = new CremaDataTable(this.ParentName, this.Parent.CategoryPath);
destDataSet.Tables.Add(parentDestDataTable);
}
var destDataTable = new CremaDataTable(this.TableName, this.CategoryPath);
destDataSet.Tables.Add(destDataTable);
destDataTable.Parent = parentDestDataTable;
foreach (var column in this.Columns)
{
if ((column.DerivedTags & tags) != TagInfo.Unused)
{
var newColumn = new CremaDataColumn(column.ColumnName, column.DataType);
destDataTable.Columns.Add(newColumn);
}
}
var columns = destDataTable.Columns.ToArray();
foreach (var row in this.Rows)
{
if ((row.DerivedTags & tags) == TagInfo.Unused)
{
continue;
}
destDataTable.AddRow(row.Filter(columns, tags));
}
return(destDataSet);
}
internal CremaDataTableClearEventArgs(DataTableClearEventArgs e)
{
this.table = (e.Table as InternalDataTable).Target;
this.tableName = e.TableName;
this.tableNamespace = e.TableNamespace;
}
internal void AttachTemplatedParent(CremaDataTable templatedParent)
{
this.TemplatedParent = templatedParent;
}
public static CremaTemplate CreateChild(CremaDataTable parentTable)
{
var dataTable = parentTable.Childs.Add();
return(new CremaTemplate(dataTable));
}
public void AttachTemplatedParent(CremaDataTable templatedParent)
{
this.TemplatedParent = templatedParent;
}
internal CremaDataRowBuilder(CremaDataTable table)
{
this.table = table;
}
