private void OnRemoveFacetCategory(PivotFacetCategory facetCategory)
{
foreach (PivotItem item in this.Items)
{
item.RemoveAllFacetValues(facetCategory.Name);
}
}
private PivotFacetCategory OnAddFacetCategory(PivotFacetCategory facetCategory)
{
if (this.FacetCategories.Contains(facetCategory.Name))
{
throw new ArgumentException("Cannot add a duplicate facet category name (Letters already exists)");
}
return(facetCategory);
}
internal IComparable ValidateFacetValue(ICollectionDefinition definition, String facetCategoryName, IComparable value)
{
IComparable actualValue = value;
if (definition.FacetCategories.Contains(facetCategoryName))
{
PivotFacetCategory existingFacetCategory = definition.FacetCategories[facetCategoryName];
if ((existingFacetCategory.Type.IsValidValue(value) == false))
{
actualValue = null;
if (value is String)
{
try
{
actualValue = existingFacetCategory.Type.ParseValue((String)value);
}
catch (FormatException)
{
// Do nothing.
}
}
if (actualValue == null)
{
throw new ArgumentException("Item Id " + this.Id + " has an incompatible value (type: " +
value.GetType().Name + ") for facet category " + facetCategoryName);
}
}
}
else if ((this.ContainingCollection != null) && (this.ContainingCollection.InferFacetCategories))
{
PivotFacetType facetType = PivotFacetType.IdentifyType(value);
this.ContainingCollection.FacetCategories.Add(new PivotFacetCategory(facetCategoryName, facetType));
}
else
{
throw new ArgumentException("Item Id " + this.Id + " has an incompatible value (type: " +
value.GetType().Name + ") for facet category " + facetCategoryName);
}
return(actualValue);
}
private PivotFacetCategory ParseFacetCategory(XmlReader xmlReader)
{
PivotFacetCategory facetCategory = null;
while (xmlReader.Read())
{
if (xmlReader.NodeType != XmlNodeType.Element) continue;
if (xmlReader.LocalName == "FacetCategory")
{
String name = xmlReader.GetAttribute("Name");
String type = xmlReader.GetAttribute("Type");
facetCategory = new PivotFacetCategory(name, PivotFacetType.Parse(type));
String value = null;
if ((value = xmlReader.GetAttribute("Format")) != null)
{
facetCategory.Format = value;
}
if ((value = xmlReader.GetAttribute("IsFilterVisible", PivotNamespace)) != null)
{
facetCategory.IsFilterVisible = Boolean.Parse(value);
}
if ((value = xmlReader.GetAttribute("IsMetaDataVisible", PivotNamespace)) != null)
{
facetCategory.IsMetaDataVisible = Boolean.Parse(value);
}
if ((value = xmlReader.GetAttribute("IsWordWheelVisible", PivotNamespace)) != null)
{
facetCategory.IsWordWheelVisible = Boolean.Parse(value);
}
}
else if (xmlReader.LocalName == "SortOrder")
{
if (facetCategory == null) continue;
String name = xmlReader.GetAttribute("Name");
facetCategory.SortOrder = new PivotFacetSortOrder(name);
}
else if (xmlReader.LocalName == "SortValue")
{
if (facetCategory == null) continue;
if (facetCategory.SortOrder == null) continue;
facetCategory.SortOrder.AddValue(xmlReader.GetAttribute("Value"));
}
}
return facetCategory;
}
private void DeriveFacetCategoriesFromItems(OleDbConnection connection)
{
String itemsCommandString = this.ItemsDataQuery;
if (itemsCommandString == null) return;
OleDbCommand command = new OleDbCommand(itemsCommandString, connection);
OleDbDataReader dataReader = command.ExecuteReader();
for (int column = 0; column < dataReader.FieldCount; column++)
{
String name = dataReader.GetName(column).ToLowerInvariant();
if (OleDbSchemaConstants.Item.AllColumns.Contains(name)) continue;
PivotFacetCategory facetCategory = new PivotFacetCategory(name, PivotFacetType.String);
this.CachedCollectionData.FacetCategories.Add(facetCategory);
m_facetCategoryMap.Add(facetCategory.Name, facetCategory);
}
}
private void OnRemoveFacetCategory(PivotFacetCategory facetCategory)
{
foreach (PivotItem item in this.Items)
{
item.RemoveAllFacetValues(facetCategory.Name);
}
}
private PivotFacetCategory OnAddFacetCategory(PivotFacetCategory facetCategory)
{
if (this.FacetCategories.Contains(facetCategory.Name))
{
throw new ArgumentException("Cannot add a duplicate facet category name (Letters already exists)");
}
return facetCategory;
}
/// <summary>
/// Formats a given value as a string based upon the default formatting of the named facet category.
/// </summary>
/// <remarks>
/// This method is used principally by the <see cref="GetFacetValueAsString"/> and <see
/// cref="GetAllFacetValuesAsString"/> methods, but any compatible value may be formatted using this method.
/// </remarks>
/// <param name="facetCategoryName">the name of the facet category whose default format should be used</param>
/// <param name="value">the value to format</param>
/// <returns>a formatted version of the given value</returns>
/// <exception cref="ArgumentException">if given an incompatible value</exception>
public String ConvertFacetValueToString(String facetCategoryName, IComparable value)
{
PivotFacetCategory facetCategory = this.CollectionDefinition.FacetCategories[facetCategoryName];
return(facetCategory.Type.FormatValue(value));
}
private void WriteFacetCategory(XmlWriter xmlWriter, PivotFacetCategory facetCategory)
{
xmlWriter.WriteStartElement("FacetCategory");
xmlWriter.WriteAttributeString("Name", facetCategory.Name);
xmlWriter.WriteAttributeString("Type", facetCategory.Type.ToString());
if (facetCategory.Format != null)
{
xmlWriter.WriteAttributeString("Format", facetCategory.Format);
}
xmlWriter.WriteAttributeString("IsFilterVisible", PivotNamespace,
facetCategory.IsFilterVisible.ToString().ToLowerInvariant());
xmlWriter.WriteAttributeString("IsMetaDataVisible", PivotNamespace,
facetCategory.IsMetaDataVisible.ToString().ToLowerInvariant());
xmlWriter.WriteAttributeString("IsWordWheelVisible", PivotNamespace,
facetCategory.IsWordWheelVisible.ToString().ToLowerInvariant());
if (facetCategory.SortOrder != null)
{
xmlWriter.WriteStartElement("Extension");
xmlWriter.WriteStartElement("SortOrder", PivotNamespace);
xmlWriter.WriteAttributeString("Name", facetCategory.SortOrder.Name);
foreach (String sortValue in facetCategory.SortOrder.Values)
{
xmlWriter.WriteStartElement("SortValue", PivotNamespace);
xmlWriter.WriteAttributeString("Value", sortValue);
xmlWriter.WriteEndElement(); // SortValue
}
xmlWriter.WriteEndElement(); // SortOrder
xmlWriter.WriteEndElement(); // Extension
}
xmlWriter.WriteEndElement(); // FacetCategory
}
private String GenerateSortValuesString(PivotFacetCategory facetCategory)
{
if (facetCategory.SortOrder == null) return null;
String[] allValues = new String[facetCategory.SortOrder.Values.Count()];
int index = 0;
foreach (String value in facetCategory.SortOrder.Values)
{
allValues[index++] = value;
}
String facetValueString = String.Join(OleDbSchemaConstants.FacetValueDelimiter, allValues);
return facetValueString;
}
