private void UpdateColumnGripperToolTipVisibility()
{
var dataGrid = AssociatedObject;
if (dataGrid == null)
{
return;
}
DataGridColumn leftColumn = null;
var isLeftColumnStarSized = false;
foreach (var column in dataGrid.Columns.OrderBy(c => c.DisplayIndex))
{
var leftColumnRightGripperToolTip = (ToolTip)leftColumn?.GetValue(RightGripperToolTipProperty);
var thisColumnLeftGripperToolTip = (ToolTip)column?.GetValue(LeftGripperToolTipProperty);
var visibility = isLeftColumnStarSized ? Visibility.Visible : Visibility.Collapsed;
leftColumnRightGripperToolTip?.Do(t => t.Visibility = visibility);
thisColumnLeftGripperToolTip?.Do(t => t.Visibility = visibility);
leftColumn = column;
isLeftColumnStarSized = GetStarSize(column) > double.Epsilon;
}
(leftColumn?.GetValue(RightGripperToolTipProperty) as ToolTip)?.Do(t => t.Visibility = Visibility.Collapsed);
}
private void RatingCell_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
DataGridRow row = VisualTreeExtensions.FindParent <DataGridRow>((DependencyObject)e.OriginalSource);
DataGridCell cell = VisualTreeExtensions.FindParent <DataGridCell>((DependencyObject)e.OriginalSource);
DataGridColumn column = cell.Column;
RatingUserControl ratingUserControl = sender as RatingUserControl;
MyMusicListItem musicItem = row.DataContext as MyMusicListItem;
dataGrid.CommitEdit(DataGridEditingUnit.Row, true);
if (this.dataGrid.SelectedItems.Count > 1)
{
WpfMessageBoxResult result = WPFMessageBox.Show(Window.GetWindow(this),
StringTable.MultiTagEdit, StringTable.MultiTagEditWarning,
"/Big3.Hitbase.SharedResources;component/Images/RenameLarge.png",
WpfMessageBoxButtons.YesNo, "MultiTagEdit", false);
if (result == WpfMessageBoxResult.Yes)
{
Field field = (Field)column.GetValue(DataGridExtensions.FieldProperty);
int columnIndex = column.DisplayIndex - 1;
musicItem.Items[columnIndex] = ratingUserControl.Rating;
PerformMultiEdit(musicItem, field, columnIndex);
}
}
else
{
Field field = (Field)column.GetValue(DataGridExtensions.FieldProperty);
musicItem.Items[column.DisplayIndex - 1] = ratingUserControl.Rating;
EditTrackField(column.DisplayIndex - 1, field, musicItem);
}
}
void ColumnOptionControl_Loaded(object sender, RoutedEventArgs e)
{
//Check the Grid for Building commmands and Visibility
DataGridColumn column = null;
DataGridColumnHeader colHeader = null;
UIElement parent = (UIElement)VisualTreeHelper.GetParent(this);
while (parent != null)
{
parent = (UIElement)VisualTreeHelper.GetParent(parent);
if (colHeader == null)
{
colHeader = parent as DataGridColumnHeader;
}
if (Grid == null)
{
Grid = parent as ExDataGrid;
}
}
if (colHeader != null)
{
column = colHeader.Column;
}
FilterColumnInfo = new OptionColumnInfo(column, Grid.FilterType);
// Right adjust numeric column
if (column is DataGridBoundColumn boundColumn)
{
if (TypeHelper.IsNumbericType(FilterColumnInfo.PropertyType))
{
boundColumn.ElementStyle = _rightCellStyle;
}
}
CanUserFreeze = Grid.CanUserFreeze;
CanUserGroup = Grid.CanUserGroup;
if (column != null)
{
object oCanUserFreeze = column.GetValue(ColumnConfiguration.CanUserFreezeProperty);
if (oCanUserFreeze != null && (bool)oCanUserFreeze)
{
CanUserFreeze = (bool)oCanUserFreeze;
}
object oCanUserGroup = column.GetValue(ColumnConfiguration.CanUserGroupProperty);
if (oCanUserGroup != null && (bool)oCanUserGroup)
{
CanUserGroup = (bool)oCanUserGroup;
}
}
Grid.RegisterColumnOptionControl(this);
ResetVisibility();
}
void ColumnOptionControl_Loaded(object sender, RoutedEventArgs e)
{
//Check the Grid for Building commmands and Visibility
DataGridColumn column = null;
DataGridColumnHeader colHeader = null;
UIElement parent = (UIElement)VisualTreeHelper.GetParent(this);
while (parent != null)
{
parent = (UIElement)VisualTreeHelper.GetParent(parent);
if (colHeader == null)
{
colHeader = parent as DataGridColumnHeader;
}
if (Grid == null)
{
Grid = parent as IntelliGrid;
}
}
if (colHeader != null)
{
column = colHeader.Column;
}
FilterColumnInfo = new OptionColumnInfo(column, Grid.FilterType);
CanUserFreeze = Grid.CanUserFreeze;
CanUserGroup = Grid.CanUserGroup;
if (column != null)
{
object oCanUserFreeze = column.GetValue(ColumnConfiguration.CanUserFreezeProperty);
if (oCanUserFreeze != null && (bool)oCanUserFreeze)
{
CanUserFreeze = (bool)oCanUserFreeze;
}
object oCanUserGroup = column.GetValue(ColumnConfiguration.CanUserGroupProperty);
if (oCanUserGroup != null && (bool)oCanUserGroup)
{
CanUserGroup = (bool)oCanUserGroup;
}
}
Grid.RegisterColumnOptionControl(this);
ResetVisibility();
}
public void columnHeaderDownClick(object sender, RoutedEventArgs e)
{
DependencyObject dep = (DependencyObject)e.Source;
var columnHeader = dep as DataGridColumnHeader;
if (columnHeader != null)
{
//当前的列名
//string columnName = columnHeader.Column.Header.ToString();
DataGridColumn column = columnHeader.Column;
string columnName = column.GetValue(ControlAttachProperty.TagProperty).ToString();
this.SelectionUnit = DataGridSelectionUnit.Cell;
this.SelectedCells.Clear();
(SelectColumsItems as IList).Clear();
foreach (dynamic item in this.Items)
{
//设置选中
this.SelectedCells.Add(new DataGridCellInfo(item, columnHeader.Column));
//设置数据
if ((SelectColumsItems as IList).Contains(item.GetMemberValue(columnName)))
{
(SelectColumsItems as IList).Remove(item.GetMemberValue(columnName));
}
else
{
(SelectColumsItems as IList).Add(item.GetMemberValue(columnName));
}
}
//强制通知待优化
SelectColumsItems = SelectColumsItems;
}
}
private static object?GetCellItem(this DataGridColumn column, object?item)
{
if (column is null || item is null)
{
return(null);
}
var descriptor = (PropertyDescriptor)column.GetValue(PropertyDescriptorProperty);
if (descriptor != null)
{
return(descriptor.GetValue(item));
}
var binding = column switch
{
DataGridBoundColumn c => c.Binding as Binding,
CellTemplateColumn c => c.Binding as Binding,
_ => null,
};
if (binding is null)
{
return(null);
}
descriptor = TypeDescriptor.GetProperties(item)
.OfType <PropertyDescriptor>()
.SingleOrDefault(x => x.Name == binding.Path.Path);
column.SetCurrentValue(PropertyDescriptorProperty, descriptor);
return(descriptor?.GetValue(item));
}
private static object GetCellItem(this DataGridColumn column, object item)
{
if (column == null || item == null)
{
return(null);
}
var descriptor = (PropertyDescriptor)column.GetValue(PropertyDescriptorProperty);
if (descriptor != null)
{
return(descriptor.GetValue(item));
}
var binding = (column as DataGridBoundColumn)?.Binding as Binding;
if (binding == null)
{
return(null);
}
descriptor = TypeDescriptor.GetProperties(item)
.OfType <PropertyDescriptor>()
.SingleOrDefault(x => x.Name == binding.Path.Path);
column.SetValue(PropertyDescriptorProperty, descriptor);
return(descriptor?.GetValue(item));
}
private void PerformCustomSort(DataGridColumn column)
{
Field field = (Field)column.GetValue(DataGridExtensions.FieldProperty);
SortDirection sortDirection = column.SortDirection == ListSortDirection.Ascending ? SortDirection.Ascending : SortDirection.Descending;
if ((Keyboard.Modifiers & ModifierKeys.Shift) == 0)
{
CdListSort.Clear();
}
SortField sortFieldFound = CdListSort.FirstOrDefault(x => x.Field == field);
if (sortFieldFound != null)
{
sortFieldFound.SortDirection = sortDirection;
}
else
{
CdListSort.Add(new SortField(field, sortDirection));
}
ListSortDirection direction = (column.SortDirection != ListSortDirection.Ascending) ? ListSortDirection.Ascending : ListSortDirection.Descending;
column.SortDirection = direction;
ListCollectionView lcv = (ListCollectionView)CollectionViewSource.GetDefaultView(dataGrid.ItemsSource);
MySort mySort = new MySort(DataBase, dataGrid, this.cdListFields, CdListSort);
lcv.CustomSort = mySort; // provide our own sort
}
/// <summary>Control the visibility of the filter for this column.</summary>
public static bool GetIsFilterVisible(this DataGridColumn column)
{
if (column == null)
{
throw new ArgumentNullException("column");
}
return(column.GetValue <bool>(DataGridFilterColumn.IsFilterVisibleProperty));
}
/// <summary>
/// Gets the column tag from a <see cref="DataGridColumn"/>.
/// </summary>
/// <param name="column">The column to get the tag from.</param>
/// <returns>The column tag.</returns>
public static Column GetTag(this DataGridColumn column)
{
if (column == null)
{
throw new ArgumentNullException(nameof(column));
}
return((Column)column.GetValue(ColumnProperty));
}
/// <summary>
/// Control the visibility of the filter for this column.
/// </summary>
/// <param name="column">The column.</param>
/// <returns>True if the filter is visible for this column</returns>
/// <exception cref="ArgumentNullException">column</exception>
public static bool GetIsFilterVisible(this DataGridColumn column)
{
if (column == null)
{
throw new ArgumentNullException(nameof(column));
}
return((bool)column.GetValue(IsFilterVisibleProperty));
}
public ColumInfo([NotNull] DataGridColumn column, [CanBeNull] Configuration configuration)
{
Contract.Requires(column != null);
_column = column;
ProjectPropertyName = column.GetValue(ProjectPropertyNameProperty) as ProjectPropertyName;
DisplayIndex = GetDisplayIndex(ProjectPropertyName, configuration);
}
/// <summary>
/// Examines the property path and returns the objects value for this column.
/// Filtering is applied on the SortMemberPath, this is the path used to create the binding.
/// </summary>
internal static object?GetCellContentData(this DataGridColumn column, object?item)
{
var propertyPath = column.SortMemberPath;
if (item == null || string.IsNullOrEmpty(propertyPath))
{
return(null);
}
if (!(bool)column.GetValue(GetCellContentMustUseBindingProperty))
{
try
{
var type = item.GetType();
var property = type.GetProperty(propertyPath);
if (property != null)
{
return(property.GetValue(item));
}
}
catch
{
// not a plain property, fall-back to binding...
}
}
column.SetValue(GetCellContentMustUseBindingProperty, true);
// Since already the name "SortMemberPath" implies that this might be not only a simple property name but a full property path
// we now use binding for evaluation; this will properly handle even complex property paths like e.g. "SubItems[0].Name"
BindingOperations.SetBinding(column, CellValueProperty, new Binding(propertyPath)
{
Source = item
});
var propertyValue = column.GetValue(CellValueProperty);
BindingOperations.ClearBinding(column, CellValueProperty);
return(propertyValue);
}
public static ICustomSorter GetCustomSorter(DataGridColumn gridColumn)
{
if (gridColumn.Header.ToString() != "Solution time" &&
gridColumn.Header.ToString() != "Время сборки" &&
gridColumn.Header.ToString() != "Час зборки")
{
return((ICustomSorter)gridColumn.GetValue(CustomSorterProperty));
}
else
{
return(new SolutionTimeComparer());
}
}
private static string GetKey(DataGridColumn column)
{
var key = column.GetValue(FrameworkElement.NameProperty) as string;
var boundColumn = column as DataGridBoundColumn;
if (boundColumn != null)
{
var binding = boundColumn.Binding as Binding;
if (binding != null)
{
key = binding.Path.Path;
}
}
return(key);
}
/// <summary>
/// Examines the property path and returns the objects value for this column.
/// Filtering is applied on the SortMemberPath, this is the path used to create the binding.
/// </summary>
internal static object?GetCellContentData(this DataGridColumn column, object?item)
{
var propertyPath = column.SortMemberPath;
if (String.IsNullOrEmpty(propertyPath))
{
return(null);
}
// Since already the name "SortMemberPath" implies that this might be not only a simple property name but a full property path
// we use binding for evaluation; this will properly handle even complex property paths like e.g. "SubItems[0].Name"
BindingOperations.SetBinding(column, _cellValueProperty, new Binding(propertyPath)
{
Source = item
});
var propertyValue = column.GetValue(_cellValueProperty);
BindingOperations.ClearBinding(column, _cellValueProperty);
return(propertyValue);
}
private static DataGridColumnSettings GetDataGridColumnSettings(DataGridColumn column)
{
return(column.GetValue(DataGridColumnSettingsProperty) as DataGridColumnSettings);
}
public static string GetFormatForExport(DataGridColumn element)
{
return((string)element.GetValue(FormatForExportProperty));
}
public static Boolean GetIsExported(DataGridColumn element)
{
return((Boolean)element.GetValue(IsExportedProperty));
}
/// <summary>
/// Gets the filter host for the data grid of this column.
/// </summary>
/// <param name="column">The column.</param>
/// <returns>The <see cref="DataGridFilterHost"/></returns>
public static DataGridFilterHost?GetFilterHost(this DataGridColumn column)
{
return((DataGridFilterHost?)column.GetValue(FilterHostProperty));
}
/// <summary>
/// Gets the control template for the filter of this column. If the template is null or unset, a default template will be used.
/// </summary>
/// <param name="column">The column.</param>
/// <returns>The control template.</returns>
public static ControlTemplate?GetTemplate(this DataGridColumn column)
{
return((ControlTemplate)column.GetValue(TemplateProperty));
}
/// <summary>
/// Gets the filter expression of the column.
/// </summary>
/// <param name="column">The column.</param>
/// <returns>The filter.</returns>
public static IContentFilter?GetActiveFilter(this DataGridColumn column)
{
return((IContentFilter)column.GetValue(ActiveFilterProperty));
}
void ColumnFilterControl_Loaded(object sender, RoutedEventArgs e)
{
DataGridColumn column = null;
DataGridColumnHeader colHeader = null;
UIElement parent = (UIElement)VisualTreeHelper.GetParent(this);
while (parent != null)
{
parent = (UIElement)VisualTreeHelper.GetParent(parent);
if (colHeader == null)
{
colHeader = parent as DataGridColumnHeader;
}
if (Grid == null)
{
Grid = parent as ExDataGrid;
}
}
if (colHeader != null)
{
column = colHeader.Column;
}
CanUserFilter = Grid.CanUserFilter;
CanUserFreeze = Grid.CanUserFreeze;
CanUserGroup = Grid.CanUserGroup;
CanUserSelectDistinct = Grid.CanUserSelectDistinct;
if (column != null)
{
object oCanUserFilter = column.GetValue(ColumnConfiguration.CanUserFilterProperty);
if (oCanUserFilter != null)
{
CanUserFilter = (bool)oCanUserFilter;
}
object oCanUserFreeze = column.GetValue(ColumnConfiguration.CanUserFreezeProperty);
if (oCanUserFreeze != null)
{
CanUserFreeze = (bool)oCanUserFreeze;
}
object oCanUserGroup = column.GetValue(ColumnConfiguration.CanUserGroupProperty);
if (oCanUserGroup != null)
{
CanUserGroup = (bool)oCanUserGroup;
}
object oCanUserSelectDistinct = column.GetValue(ColumnConfiguration.CanUserSelectDistinctProperty);
if (oCanUserSelectDistinct != null)
{
CanUserSelectDistinct = (bool)oCanUserSelectDistinct;
}
}
if (Grid.FilterType == null)
{
return;
}
FilterColumnInfo = new OptionColumnInfo(column, Grid.FilterType);
Grid.RegisterOptionControl(this);
FilterOperations.Clear();
if (FilterColumnInfo.PropertyType != null)
{
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.Equals, "Equals", "/Capnode.Wpf;component/Images/Equal.png"));
if (TypeHelper.IsStringType(FilterColumnInfo.PropertyType))
{
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.Contains, "Contains", "/Capnode.Wpf;component/Images/Contains.png"));
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.StartsWith, "Starts With", "/Capnode.Wpf;component/Images/StartsWith.png"));
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.EndsWith, "Ends With", "/Capnode.Wpf;component/Images/EndsWith.png"));
}
if (TypeHelper.IsNumbericType(FilterColumnInfo.PropertyType))
{
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.NotEquals, "Not Equal", "/Capnode.Wpf;component/Images/NotEqual.png"));
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.GreaterThan, "Greater Than", "/Capnode.Wpf;component/Images/GreaterThan.png"));
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.GreaterThanEqual, "Greater Than or Equal", "/Capnode.Wpf;component/Images/GreaterThanEqual.png"));
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.LessThan, "Less Than", "/Capnode.Wpf;component/Images/LessThan.png"));
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.LessThanEqual, "Less Than or Equal", "/Capnode.Wpf;component/Images/LessThanEqual.png"));
}
SelectedFilterOperation = FilterOperations[0];
}
if (FilterColumnInfo != null && FilterColumnInfo.IsValid)
{
foreach (var i in DistinctPropertyValues.Where(i => i.IsChecked))
{
i.IsChecked = false;
}
DistinctPropertyValues.Clear();
FilterText = string.Empty;
_boundColumnPropertyAccessor = null;
if (TypeHelper.IsNumbericType(FilterColumnInfo.PropertyType))
{
CanUserSelectDistinct = false;
Visibility = Visibility.Visible;
}
else if (!string.IsNullOrWhiteSpace(FilterColumnInfo.PropertyPath))
{
Visibility = Visibility.Visible;
ParameterExpression arg = linq.Expression.Parameter(typeof(object), "x");
linq.Expression expr = PropertyExpression(Grid.FilterType, FilterColumnInfo.PropertyPath, arg);
linq.Expression conversion = linq.Expression.Convert(expr, typeof(object));
_boundColumnPropertyAccessor = linq.Expression.Lambda <Func <object, object> >(conversion, arg).Compile();
}
else
{
Visibility = Visibility.Collapsed;
}
object oDefaultFilter = column.GetValue(ColumnConfiguration.DefaultFilterProperty);
if (oDefaultFilter != null)
{
FilterText = (string)oDefaultFilter;
}
}
CalcControlVisibility();
}
public static IComparer GetSorter(DataGridColumn column)
{
return((IComparer)column.GetValue(SorterProperty));
}
public static IDataGridColumnComparer GetCustomComparer(DataGridColumn gridColumn)
{
return((IDataGridColumnComparer)gridColumn.GetValue(CustomComparerProperty));
}
void ColumnFilterControl_Loaded(object sender, RoutedEventArgs e)
{
DataGridColumn column = null;
DataGridColumnHeader colHeader = null;
UIElement parent = (UIElement)VisualTreeHelper.GetParent(this);
while (parent != null)
{
parent = (UIElement)VisualTreeHelper.GetParent(parent);
if (colHeader == null)
{
colHeader = parent as DataGridColumnHeader;
}
if (Grid == null)
{
Grid = parent as JibGrid;
}
}
if (colHeader != null)
{
column = colHeader.Column;
}
CanUserFilter = Grid.CanUserFilter;
CanUserFreeze = Grid.CanUserFreeze;
CanUserGroup = Grid.CanUserGroup;
CanUserSelectDistinct = Grid.CanUserSelectDistinct;
if (column != null)
{
object oCanUserFilter = column.GetValue(ColumnConfiguration.CanUserFilterProperty);
if (oCanUserFilter != null)
{
CanUserFilter = (bool)oCanUserFilter;
}
object oCanUserFreeze = column.GetValue(ColumnConfiguration.CanUserFreezeProperty);
if (oCanUserFreeze != null)
{
CanUserFreeze = (bool)oCanUserFreeze;
}
object oCanUserGroup = column.GetValue(ColumnConfiguration.CanUserGroupProperty);
if (oCanUserGroup != null)
{
CanUserGroup = (bool)oCanUserGroup;
}
object oCanUserSelectDistinct = column.GetValue(ColumnConfiguration.CanUserSelectDistinctProperty);
if (oCanUserSelectDistinct != null)
{
CanUserSelectDistinct = (bool)oCanUserSelectDistinct;
}
}
if (Grid.FilterType == null)
{
return;
}
FilterColumnInfo = new OptionColumnInfo(column, Grid.FilterType);
Grid.RegisterOptionControl(this);
FilterOperations.Clear();
if (FilterColumnInfo.PropertyType != null)
{
if (TypeHelper.IsStringType(FilterColumnInfo.PropertyType))
{
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.Contains, "Contains", "/Jib.WPF.Controls;component/Images/Contains.png"));
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.StartsWith, "Starts With", "/Jib.WPF.Controls;component/Images/StartsWith.png"));
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.EndsWith, "Ends With", "/Jib.WPF.Controls;component/Images/EndsWith.png"));
}
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.Equals, "Equals", "/Jib.WPF.Controls;component/Images/Equal.png"));
if (TypeHelper.IsNumbericType(FilterColumnInfo.PropertyType))
{
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.GreaterThan, "Greater Than", "/Jib.WPF.Controls;component/Images/GreaterThan.png"));
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.GreaterThanEqual, "Greater Than or Equal", "/Jib.WPF.Controls;component/Images/GreaterThanEqual.png"));
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.LessThan, "Less Than", "/Jib.WPF.Controls;component/Images/LessThan.png"));
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.LessThanEqual, "Greater Than or Equal", "/Jib.WPF.Controls;component/Images/GreaterThanEqual.png"));
FilterOperations.Add(new FilterOperationItem(Enums.FilterOperation.NotEquals, "Not Equal", "/Jib.WPF.Controls;component/Images/NotEqual.png"));
}
SelectedFilterOperation = FilterOperations[0];
}
if (FilterColumnInfo != null && FilterColumnInfo.IsValid)
{
foreach (var i in DistinctPropertyValues.Where(i => i.IsChecked))
{
i.IsChecked = false;
}
DistinctPropertyValues.Clear();
FilterText = string.Empty;
_boundColumnPropertyAccessor = null;
if (!string.IsNullOrWhiteSpace(FilterColumnInfo.PropertyPath))
{
if (FilterColumnInfo.PropertyPath.Contains('.'))
{
throw new ArgumentException(string.Format("This version of the grid does not support a nested property path such as '{0}'. Please make a first-level property for filtering and bind to that.", FilterColumnInfo.PropertyPath));
}
this.Visibility = System.Windows.Visibility.Visible;
ParameterExpression arg = System.Linq.Expressions.Expression.Parameter(typeof(object), "x");
System.Linq.Expressions.Expression expr = System.Linq.Expressions.Expression.Convert(arg, Grid.FilterType);
expr = System.Linq.Expressions.Expression.Property(expr, Grid.FilterType, FilterColumnInfo.PropertyPath);
System.Linq.Expressions.Expression conversion = System.Linq.Expressions.Expression.Convert(expr, typeof(object));
_boundColumnPropertyAccessor = System.Linq.Expressions.Expression.Lambda <Func <object, object> >(conversion, arg).Compile();
}
else
{
this.Visibility = System.Windows.Visibility.Collapsed;
}
object oDefaultFilter = column.GetValue(ColumnConfiguration.DefaultFilterProperty);
if (oDefaultFilter != null)
{
FilterText = (string)oDefaultFilter;
}
}
CalcControlVisibility();
}
private static string GetValuePropertyBindingPath(DataGridColumn column)
{
string path = (string)column.GetValue(DataGridColumnExtensions.CustomBindingPathProperty);
if (!string.IsNullOrEmpty(path))
{
return(path);
}
path = String.Empty;
if (column is DataGridBoundColumn)
{
DataGridBoundColumn bc = column as DataGridBoundColumn;
path = (bc.Binding as Binding).Path.Path;
}
else if (column is DataGridTemplateColumn)
{
DataGridTemplateColumn tc = column as DataGridTemplateColumn;
object templateContent = tc.CellTemplate.LoadContent();
if (templateContent != null && templateContent is TextBlock)
{
TextBlock block = templateContent as TextBlock;
BindingExpression binding = block.GetBindingExpression(TextBlock.TextProperty);
path = binding.ParentBinding.Path.Path;
}
}
else if (column is DataGridComboBoxColumn)
{
DataGridComboBoxColumn comboColumn = column as DataGridComboBoxColumn;
path = null;
Binding binding = ((comboColumn.SelectedValueBinding) as Binding);
if (binding == null)
{
binding = ((comboColumn.SelectedItemBinding) as Binding);
}
if (binding == null)
{
binding = comboColumn.SelectedValueBinding as Binding;
}
if (binding != null)
{
path = binding.Path.Path;
}
if (comboColumn.SelectedItemBinding != null && comboColumn.SelectedValueBinding == null)
{
if (path != null && path.Trim().Length > 0)
{
if (DataGridComboBoxExtensions.GetIsTextFilter(comboColumn))
{
path += "." + comboColumn.DisplayMemberPath;
}
else
{
path += "." + comboColumn.SelectedValuePath;
}
}
}
}
return(path);
}
/// <summary>
/// Gets the filter host for the data grid of this column.
/// </summary>
/// <param name="column">The column.</param>
/// <returns>The <see cref="DataGridFilterColumnControl"/></returns>
public static DataGridFilterColumnControl?GetDataGridFilterColumnControl(this DataGridColumn column)
{
return((DataGridFilterColumnControl?)column.GetValue(DataGridFilterColumnControlProperty));
}
public static ICustomSorter GetCustomSorter(DataGridColumn gridColumn)
{
return((ICustomSorter)gridColumn.GetValue(CustomSorterProperty));
}
/// <summary>
/// Gets the filter expression of the column.
/// </summary>
/// <param name="column">The column.</param>
/// <returns>The filter expression.</returns>
public static object?GetFilter(this DataGridColumn column)
{
return(column.GetValue(FilterProperty));
}