/// <summary>
/// Gets a list of selected Dynamics365Field objects.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="provider">The provider.</param>
/// <param name="value">The value.</param>
/// <returns>The selected objects.</returns>
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
IDataSourceFieldsProvider fieldsProvider = (IDataSourceFieldsProvider)context.Instance;
BindingList <DataTableField> currentValue = (BindingList <DataTableField>)value;
checkedListBox.Items.Clear();
checkedListBox.Items.Add("Select All", false);
checkedListBox.ItemCheck += CheckedListBox_ItemCheck;
List <DataTableField> fields = fieldsProvider.GetDataSourceFields();
fields.ForEach(field => checkedListBox.Items.Add(field, currentValue.Contains((DataTableField)field)));
IWindowsFormsEditorService service = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
service.DropDownControl(checkedListBox);
BindingList <DataTableField> checkedFields = new BindingList <DataTableField>();
for (int itemIndex = 0; itemIndex < checkedListBox.CheckedIndices.Count; itemIndex++)
{
if (checkedListBox.CheckedIndices[itemIndex] != 0)
{
DataTableField field = (DataTableField)checkedListBox.CheckedItems[itemIndex];
checkedFields.Add(field);
}
}
return(checkedFields);
}
/// <summary>
/// Converts a value from a string to a DataColumn.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="culture">The culture.</param>
/// <param name="value">The value to convert.</param>
/// <returns>A DataColumn.</returns>
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (!string.IsNullOrEmpty((string)value))
{
IDataSourceFieldsProvider provider = (IDataSourceFieldsProvider)context.Instance;
List <DataTableField> fields = provider.GetDataSourceFields();
string columnName = Regex.Match((string)value, CoreUtility.FieldMatchPattern).Groups[1].Value;
return(fields.First(field => field.ColumnName == columnName));
}
return(null);
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
BindingList <DataTableField> fields = new BindingList <DataTableField>();
if (!string.IsNullOrEmpty((string)value))
{
IDataSourceFieldsProvider fieldsProvider = (IDataSourceFieldsProvider)context.Instance;
List <DataTableField> sourceFields = fieldsProvider.GetDataSourceFields();
string[] fieldStrings = ((string)value).Split(new string[] { FIELD_DELIMITER }, StringSplitOptions.None);
foreach (string fieldString in fieldStrings)
{
string columnName = Regex.Match(fieldString, CoreUtility.FieldMatchPattern).Groups[1].Value;
DataTableField field = sourceFields.FirstOrDefault(f => f.ColumnName == columnName); // todo - comparer
fields.Add(field);
}
}
return(fields);
}
/// <summary>
/// Gets a list of Operation DataColumn objects.
/// </summary>
/// <param name="context">The context.</param>
/// <returns>The list of Operation DataColumn objects.</returns>
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
IDataSourceFieldsProvider provider = (IDataSourceFieldsProvider)context.Instance;
return(new StandardValuesCollection(provider.GetDataSourceFields()));
}
