public CompletionDataSnapshot(CompletionDataSnapshot original, List <string> tableList, List <string> columnList, List <string> measureList)
{
_keywords = original._keywords;
_functions = original._functions;
_tables = tableList;
_columnList = columnList;
_measureList = measureList;
_sortedCompletion = null;
}
public CompletionDataSnapshot(CompletionDataSnapshot original, List <DaxFunction> daxFunctions)
{
_keywords = original._keywords;
_tables = original._tables;
_columnList = original._columnList;
_measureList = original._measureList;
_functions = new List <InputData>();
foreach (var daxFunctionDescription in daxFunctions)
{
_functions.Add(new InputData()
{
Name = daxFunctionDescription.Name, Description = daxFunctionDescription.Description
});
}
_sortedCompletion = null;
}
/// <summary>
/// Extracts the list of DAX functions
/// </summary>
private List <DaxFunction> ExtractDaxFunctions()
{
// delete existing data
List <DaxFunction> daxFunctions = null;
try
{
LogLine("Start reading DAX functions.");
// create a new list of functions to be loaded
daxFunctions = new List <DaxFunction>();
// extract scalar functions
AdomdRestrictionCollection restrictions = new AdomdRestrictionCollection();
restrictions.Add(FUNCTIONS_RESTRICTION_ORIGIN, FUNCTIONS_ORIGIN_SCALAR);
daxFunctions.AddRange(
ExtractDaxFunctionsWithRestrictions(restrictions)
);
// extract relational functions
restrictions.Clear();
restrictions.Add(FUNCTIONS_RESTRICTION_ORIGIN, FUNCTIONS_ORIGIN_RELATIONAL);
daxFunctions.AddRange(
ExtractDaxFunctionsWithRestrictions(restrictions)
);
_completionDataSnapshot = new CompletionDataSnapshot(_completionDataSnapshot, daxFunctions);
LogLine("End reading DAX functions.");
}
catch (Microsoft.AnalysisServices.AdomdClient.AdomdConnectionException)
{
// If for some reason connection to the server cannot be established return null, it will be handled outside of this class
LogLine("Error reading DAX functions.");
}
return(daxFunctions);
}
/// <summary>
/// Constructs declarations cache based on database object
/// </summary>
private void ConstructSchemaBasedDeclarations()
{
LogLine("Begin constructing schema based declarations.");
List <Declaration> tableDeclarations = new List <Declaration>();
List <Declaration> measureDeclarations = new List <Declaration>();
Dictionary <string, List <Declaration> > tableMembersDeclarations = new Dictionary <string, List <Declaration> >();
List <string> tableList = new List <string>();
List <string> columnList = new List <string>();
List <string> measureList = new List <string>();
if (null == this._database)
{
ClearDeclarationsCache();
LogLine("ERROR: Database is not defined.");
return;
}
foreach (Microsoft.AnalysisServices.Dimension dim in _database.Dimensions)
{
// Set table declarations
tableDeclarations.Add(new Babel.Declaration(dim.Description, dim.Name, Babel.LanguageService.TABLE_GLYPH_INDEX, dim.Name));
tableList.AddRange(GenerateValidTableNames(dim.Name));
// Obtain column declarations for current table
List <Declaration> columnDeclarationsCurrentTable = new List <Declaration>();
foreach (DimensionAttribute dimAttr in dim.Attributes)
{
// Skip RowNumber columns
if (_rowNumberColumnNames.Any(i => { return(string.Equals(i, dimAttr.Name, StringComparison.CurrentCultureIgnoreCase)); }))
{
continue;
}
var columnShortName = "[" + dimAttr.Name + "]";
if (dimAttr.Source is ExpressionBinding)
{
// use calc column glyph
columnDeclarationsCurrentTable.Add(new Babel.Declaration(dimAttr.Description, dimAttr.Name, Babel.LanguageService.CALC_COLUMN_GLYPH_INDEX, columnShortName));
}
else
{
// use base column glyph
columnDeclarationsCurrentTable.Add(new Babel.Declaration(dimAttr.Description, dimAttr.Name, Babel.LanguageService.BASE_COLUMN_GLYPH_INDEX, columnShortName));
}
GenerateValidTableNames(dim.Name).ForEach(i => columnList.Add(string.Format("{0}{1}", i, columnShortName)));
}
tableMembersDeclarations.Add(dim.Name, columnDeclarationsCurrentTable);
}
// Obtain measure declarations and distribute them in table member declarations
if (this._database.Cubes.Count > 0)
{
var cube = this._database.Cubes[0];
if (cube.MdxScripts.Count > 0)
{
var mdxScript = cube.MdxScripts[0];
foreach (Command mdxCommand in mdxScript.Commands)
{
if (!string.IsNullOrEmpty(mdxCommand.Text))
{
var measures = MeasuresContainer.ParseDaxScript(mdxCommand.Text).Measures;
foreach (var measure in measures)
{
// Add measure declaration to the global collection
var measureShortName = "[" + measure.Name + "]";
measureDeclarations.Add(new Babel.Declaration(measure.Expression, measure.Name, Babel.LanguageService.MEASURE_GLYPH_INDEX, measureShortName));
GenerateValidTableNames(measure.TableName).ForEach(i => measureList.Add(string.Format("{0}{1}", i, measureShortName)));
// Add the measure declaration to the table member declaration list
if (tableMembersDeclarations.ContainsKey(measure.TableName))
{
tableMembersDeclarations[measure.TableName].Add(new Babel.Declaration(measure.Expression, measure.Name, Babel.LanguageService.MEASURE_GLYPH_INDEX, measureShortName));
}
}
}
}
}
}
// Create HTML table
string htmlSchemaTemplate;
using (var textStreamReader = new StreamReader(System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream("DaxEditor.Resources.ScemaTemplate.htm")))
{
htmlSchemaTemplate = textStreamReader.ReadToEnd();
}
var htmlSchemaBuilder = new StringBuilder();
foreach (var td in tableMembersDeclarations)
{
htmlSchemaBuilder.AppendFormat(BeginTableTemplate, HtmlEncode(td.Key));
foreach (var decl in td.Value)
{
if (_rowNumberColumnNames.Any(i => { return(string.Equals(i, decl.Name, StringComparison.CurrentCultureIgnoreCase)); }))
{
continue;
}
switch (decl.Glyph)
{
case Babel.LanguageService.BASE_COLUMN_GLYPH_INDEX:
htmlSchemaBuilder.AppendFormat(RowTemplate, "column", HtmlEncode(decl.Name));
break;
case Babel.LanguageService.CALC_COLUMN_GLYPH_INDEX:
htmlSchemaBuilder.AppendFormat(RowTemplate, "calcolumn", HtmlEncode(decl.Name));
break;
case Babel.LanguageService.MEASURE_GLYPH_INDEX:
htmlSchemaBuilder.AppendFormat(RowTemplate, "measure", HtmlEncode(decl.Name));
break;
}
}
htmlSchemaBuilder.Append(EndTableTemplate);
}
htmlSchemaTemplate = htmlSchemaTemplate.Replace(TablesPlaceholder, htmlSchemaBuilder.ToString());
// Commit the newly created declarations into the cache
lock (this)
{
this._tableDeclarations = tableDeclarations;
this._measureDeclarations = measureDeclarations;
this._tableMembersDeclarations = tableMembersDeclarations;
this._htmlSchema = htmlSchemaTemplate;
_completionDataSnapshot = new CompletionDataSnapshot(_completionDataSnapshot, tableList, columnList, measureList);
}
LogLine("End constructing schema based declarations.");
}
