/// <summary>
/// Get the query.
/// </summary>
/// <returns>The new query model.</returns>
private Nequeo.Data.Linq.QueryModel GetQuery()
{
if (_model != null)
{
Nequeo.Data.Linq.QueryModel model = new Nequeo.Data.Linq.QueryModel();
model.Operand = _model.Operand;
model.Queries = _model.Queries == null ? null : _model.Queries.Where(u => u.IncludeInSearch).ToArray();
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// Generate the query if not cancelled.
/// </summary>
/// <returns>The new query model.</returns>
private Nequeo.Data.Linq.QueryModel GenerateQuery()
{
// If null the create the object.
if (_model == null)
{
_model = new Nequeo.Data.Linq.QueryModel();
}
_model.Operand = Linq.ExpressionOperandType.OrElse;
List <Nequeo.Data.Linq.SearchQueryModel> search = new List <Nequeo.Data.Linq.SearchQueryModel>();
int columnIndex = 0;
// For each data grid item
// except the last add item.
for (int i = 0; i < dataGrid.Items.Count - 1; i++)
{
// Get the current object.
object item = dataGrid.Items[i];
// For each column in the data grid.
foreach (DataGridColumn column in dataGrid.Columns)
{
columnIndex++;
try
{
// Get the column name, property info name value.
string columnName = column.Header.ToString();
System.Reflection.PropertyInfo property = item.GetType().GetProperty(columnName);
object value = property.GetValue(item);
// If a value has been set.
if (value != null)
{
// Create a new query.
Nequeo.Data.Linq.SearchQueryModel query = new Nequeo.Data.Linq.SearchQueryModel();
query.Index = columnIndex;
query.ColumnName = columnName;
query.Value = value;
query.ValueType = property.PropertyType;
query.Operand = Linq.ExpressionOperandType.Equal;
query.IncludeInSearch = true;
// If not null then set previously
// Search for changes.
if (_model.Queries != null)
{
try
{
// Find the match.
Nequeo.Data.Linq.SearchQueryModel queryCurrent = _model.Queries.First(u => (u.Index == columnIndex));
query.Operand = queryCurrent.Operand;
query.IncludeInSearch = queryCurrent.IncludeInSearch;
}
catch (Exception ex) { string ii = ex.Message; }
}
// Add the query.
search.Add(query);
}
}
catch { }
}
}
// Get the list of queries.
_model.Queries = search.ToArray();
// Return null if cancelled.
if (!_isCancelled)
{
// Return the query.
return(_model);
}
else
{
return(null);
}
}
