internal SelectedCellsChangedEventArgs(DataGrid owner, VirtualizedCellInfoCollection addedCells, VirtualizedCellInfoCollection removedCells)
{
_addedCells = (addedCells != null) ? addedCells : VirtualizedCellInfoCollection.MakeEmptyCollection(owner);
_removedCells = (removedCells != null) ? removedCells : VirtualizedCellInfoCollection.MakeEmptyCollection(owner);
Debug.Assert(_addedCells.IsReadOnly, "_addedCells should have ended up as read-only.");
Debug.Assert(_removedCells.IsReadOnly, "_removedCells should have ended up as read-only.");
}
internal DataGridCellInfo(object item, DataGridColumn column, DataGrid owner)
{
Debug.Assert(item != null, "item should not be null.");
Debug.Assert(column != null, "column should not be null.");
Debug.Assert(owner != null, "owner should not be null.");
_item = item;
_column = column;
_owner = new WeakReference(owner);
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
#line 4 "..\..\..\UserControls\ColumnChooserControl.xaml"
((ExtendedGrid.UserControls.ColumnChooserControl)(target)).SizeChanged += new System.Windows.SizeChangedEventHandler(this.UserControlSizeChanged);
#line default
#line hidden
return;
case 4:
this.popupDrag = ((System.Windows.Controls.Primitives.Popup)(target));
return;
case 5:
this.grid = ((ExtendedGrid.Microsoft.Windows.Controls.DataGrid)(target));
return;
}
this._contentLoaded = true;
}
private void GridLoaded(object sender, RoutedEventArgs e)
{
CurrentGrid = (DataGrid) sender;
}
private double GetGridHeaderActualWidth(DataGrid grid)
{
if (grid.HeadersVisibility == DataGridHeadersVisibility.None || grid.HeadersVisibility == DataGridHeadersVisibility.Column)
return 0;
return grid.RowHeaderWidth;
}
private void AutoFilterMouseDown(object sender, MouseButtonEventArgs e)
{
try
{
e.Handled = true;
if (e.ChangedButton == MouseButton.Right)
return;
var column = FindControls.FindParent<DataGridColumnHeader>((ContentControl)sender);
var extendedColumn = column.Column as IExtendedColumn;
if (extendedColumn != null)
{
if (!extendedColumn.AllowAutoFilter)
return;
}
var popup = FindControls.FindChild<Popup>(column, "popupDrag");
if (popup == null) return;
popup.IsOpen = true;
//Change the position of popup with the mouse
var popupSize = new Size(popup.ActualWidth, popup.ActualHeight);
var position = new Point { X = column.ActualWidth - 19, Y = column.ActualHeight };
popup.PlacementRectangle = new Rect(position, popupSize);
var listbox = FindControls.FindChild<ListBox>(popup.Child, "autoFilterList");
listbox.Focus();
listbox.LostFocus += PopLostFocus;
var clearButton = FindControls.FindChild<Button>(popup.Child, "btnClear");
//Get the data from
var mainGrid = FindControls.FindParent<ExtendedDataGrid>(popup);
if (mainGrid != null)
{
mainGrid.CommitEdit();
mainGrid.CommitEdit();
mainGrid.AutoFilterHelper.CurrentListBox = listbox;
CurrentColumn = column.Column.SortMemberPath;
CurrentGrid = mainGrid;
if (mainGrid.AutoFilterHelper.CurrentColumName == CurrentColumn)
{
List<CheckedListItem> previousValues = mainGrid.AutoFilterHelper.CurrentDistictValues;
var currentValues = mainGrid.AutoFilterHelper.GetDistictValues(CurrentGrid, CurrentColumn);
foreach (var checkedListItem in currentValues)
{
var item = checkedListItem;
if (previousValues.Count(c => Convert.ToString(c.Name) == Convert.ToString(item.Name) && c.IsSelectAll != "(Select All)") == 0 && checkedListItem.IsSelectAll != "(Select All)")
{
previousValues.Add(new CheckedListItem { Name = checkedListItem.Name, IsChecked = previousValues[0].IsChecked });
}
}
if (clearButton != null && mainGrid.AutoFilterHelper.CurrentDistictValues!=null)
{
clearButton.IsEnabled = mainGrid.AutoFilterHelper.CurrentDistictValues.Count(c => c.IsChecked) > 0;
clearButton.UpdateLayout();
}
mainGrid.AutoFilterHelper.CurrentDistictValues = previousValues;
mainGrid.AutoFilterHelper.CurrentDistictValues[0].IsSelectAll = "(Select All)";
listbox.ItemsSource = mainGrid.AutoFilterHelper.CurrentDistictValues;
listbox.UpdateLayout();
listbox.Items.Refresh();
return;
}
mainGrid.AutoFilterHelper.CurrentColumName = CurrentColumn;
var distict = mainGrid.AutoFilterHelper.GetDistictValues(CurrentGrid, CurrentColumn);
if (distict.Count(c => !c.IsChecked) == distict.Count)
{
if (Convert.ToString(popup.Tag) == "True")
{
_isLoading = true;
foreach (var checkedListItem in distict)
{
checkedListItem.IsChecked = true;
}
}
}
distict[0].IsSelectAll = "(Select All)";
listbox.ItemsSource = distict;
if (clearButton != null && mainGrid.AutoFilterHelper.CurrentDistictValues != null)
{
clearButton.IsEnabled = mainGrid.AutoFilterHelper.CurrentDistictValues.Count(c => c.IsChecked) > 0;
clearButton.UpdateLayout();
}
}
}
finally
{
_isLoading = false;
}
}
private void UnChecked(object sender, RoutedEventArgs e)
{
if (_isLoading) return;
ExtendedDataGrid grid=null;
try
{
_isLoading = true;
var checkbox = (CheckBox)sender;
var listBox = FindControls.FindParent<ListBox>(checkbox);
var popup = (Popup)((StackPanel)(listBox.Parent)).Parent;
grid = FindControls.FindParent<ExtendedDataGrid>(popup);
CurrentGrid = grid;
grid.AutoFilterHelper.CurrentListBox = listBox;
var value = checkbox.Content;
if (Convert.ToString(checkbox.Tag) != "(Select All)")
{
var distictValues = grid.AutoFilterHelper.CurrentListBox.ItemsSource as List<CheckedListItem>;
if (distictValues != null)
{
var countOfFiltersSelected = distictValues.Count(c => c.IsChecked && Convert.ToString(c.Name) != "(Select All)" && c.IsSelectAll != "(Select All)");
if (countOfFiltersSelected == distictValues.Count - 1)
{
_isLoading = true;
distictValues[0].IsChecked = false;
grid.AutoFilterHelper.CurrentListBox.UpdateLayout();
grid.AutoFilterHelper.CurrentListBox.Items.Refresh();
}
bool isFilterApplicable = false;
if(grid.ItemsSource is DataView)
{
isFilterApplicable = (!string.IsNullOrEmpty(((DataView)grid.ItemsSource).RowFilter) && ((DataView)grid.ItemsSource).RowFilter.Contains("[" + CurrentColumn + "] IN"));
}
else if (CollectionViewSource.GetDefaultView(grid.ItemsSource) != null)
{
isFilterApplicable = (!string.IsNullOrEmpty(grid.AutoFilterHelper.FilterExpression) && (grid.AutoFilterHelper.FilterExpression.Contains("[" + CurrentColumn + "] IN")));
}
if (!isFilterApplicable && !string.IsNullOrEmpty(Convert.ToString(value)))
{
string rowFilter;
if (grid.ItemsSource is DataView)
{
rowFilter = ((DataView)grid.ItemsSource).RowFilter;
if (string.IsNullOrEmpty(rowFilter))
{
var actualValues = ((DataView)CurrentGrid.ItemsSource).Table.Rows.Cast<DataRow>().Select(row => Convert.ToString(row[CurrentColumn])).Where(val => val != Convert.ToString(value)).ToList();
foreach (var actualValue in actualValues)
{
grid.AutoFilterHelper.ApplyFilters(CurrentGrid, CurrentColumn, actualValue);
}
var distictictValues = grid.AutoFilterHelper.CurrentDistictValues;
distictictValues[0].IsChecked = false;
grid.AutoFilterHelper.CurrentDistictValues = distictictValues;
grid.AutoFilterHelper.CurrentListBox.Items.Refresh();
popup.Tag = distictictValues.Count(c => c.IsChecked) == 0 ? "False" : "True";
CurrentGrid.Items.Refresh();
CurrentGrid.UpdateLayout();
}
else
{
grid.AutoFilterHelper.CurrentDistictValues[0].IsChecked = countOfFiltersSelected == distictValues.Count - 1;
grid.AutoFilterHelper.CurrentListBox.Items.Refresh();
grid.AutoFilterHelper.CurrentListBox.UpdateLayout();
popup.Tag = grid.AutoFilterHelper.CurrentDistictValues.Count(c => c.IsChecked) == 0 ? "False" : "True";
CurrentGrid.Items.Refresh();
CurrentGrid.UpdateLayout();
}
}
else if (CollectionViewSource.GetDefaultView(grid.ItemsSource) != null)
{
rowFilter = grid.AutoFilterHelper.FilterExpression;
if (string.IsNullOrEmpty(rowFilter))
{
ICollectionView view = CollectionViewSource.GetDefaultView(grid.ItemsSource);
var actualValues = new HashSet<string>();
foreach (var rowData in grid.ItemsSource)
{
var propertyValue = rowData.GetType().GetProperty(CurrentColumn);
if (propertyValue != null)
{
var data = Convert.ToString(propertyValue.GetValue(rowData, null));
if (!actualValues.Contains(data) && data != Convert.ToString(value))
{
actualValues.Add(data);
}
}
}
foreach (var actualValue in actualValues)
{
grid.AutoFilterHelper.ApplyFilters(CurrentGrid, CurrentColumn, actualValue);
}
var distictictValues = grid.AutoFilterHelper.CurrentDistictValues;
distictictValues[0].IsChecked = false;
grid.AutoFilterHelper.CurrentDistictValues = distictictValues;
grid.AutoFilterHelper.CurrentListBox.Items.Refresh();
popup.Tag = distictictValues.Count(c => c.IsChecked) == 0 ? "False" : "True";
grid.Items.Refresh();
grid.UpdateLayout();
}
else
{
grid.AutoFilterHelper.CurrentDistictValues[0].IsChecked = countOfFiltersSelected == distictValues.Count - 1;
grid.AutoFilterHelper.CurrentListBox.Items.Refresh();
grid.AutoFilterHelper.CurrentListBox.UpdateLayout();
popup.Tag = grid.AutoFilterHelper.CurrentDistictValues.Count(c => c.IsChecked) == 0 ? "False" : "True";
grid.Items.Refresh();
grid.UpdateLayout();
}
}
}
else
{
grid.AutoFilterHelper.CurrentListBox = FindControls.FindChild<ListBox>(popup.Child, "autoFilterList");
grid.AutoFilterHelper.CurrentListBox.Items.Refresh();
distictValues = grid.AutoFilterHelper.CurrentListBox.ItemsSource as List<CheckedListItem>;
if (distictValues != null)
{
var checkCount = distictValues.Count(c => c.IsChecked && Convert.ToString(c.Name) != "(Select All)" && c.IsSelectAll != "(Select All)");
if (checkCount == 0)
{
grid.AutoFilterHelper.RemoveAllFilter(CurrentGrid, CurrentColumn);
grid.AutoFilterHelper.CurrentListBox.Items.Refresh();
popup.Tag = countOfFiltersSelected == 0 ? "False" : "True";
}
else
{
grid.AutoFilterHelper.RemoveFilters(CurrentGrid, CurrentColumn, value);
var distictictValues = grid.AutoFilterHelper.CurrentDistictValues;
popup.Tag = distictictValues.Count(c => c.IsChecked) == 0 ? "False" : "True";
}
}
var sp1 = FindControls.FindParent<StackPanel>(grid.AutoFilterHelper.CurrentListBox);
var popup1 = sp1.Parent as Popup;
if (popup1 != null)
{
var clearButton = FindControls.FindChild<Button>(popup1.Child, "btnClear");
if (clearButton != null)
{
clearButton.IsEnabled = false;
}
}
}
}
}
else
{
_isLoading = true;
var distictictValues = grid.AutoFilterHelper.CurrentDistictValues;
distictictValues[0].IsChecked = false;
foreach (var distictictValue in distictictValues)
{
if (Convert.ToString(distictictValue.Name) != "(Select All)" && distictictValue.IsSelectAll != "(Select All)")
distictictValue.IsChecked = false;
}
grid.AutoFilterHelper.CurrentDistictValues = distictictValues;
grid.AutoFilterHelper.RemoveAllFilter(CurrentGrid, CurrentColumn);
grid.AutoFilterHelper.CurrentListBox.Items.Refresh();
var countOfFiltersSelected = distictictValues.Count(c => c.IsChecked && Convert.ToString(c.Name) != "(Select All)");
popup.Tag = countOfFiltersSelected == 0 ? "False" : "True";
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
finally
{
if (grid != null)
grid.Items.Refresh();
_isLoading = false;
}
}
private void SigmaMouseDown(object sender, MouseButtonEventArgs e)
{
e.Handled = true;
if (e.ChangedButton == MouseButton.Right)
return;
var column = FindControls.FindParent<DataGridColumnHeader>((ContentControl)sender);
var popup = FindControls.FindChild<Popup>(column, "sigmaDrag");
if (popup == null) return;
popup.IsOpen = true;
//Change the position of popup with the mouse
var popupSize = new Size(popup.ActualWidth, popup.ActualHeight);
var position = new Point { X = column.ActualWidth - 19, Y = column.ActualHeight };
popup.PlacementRectangle = new Rect(position, popupSize);
var listbox = FindControls.FindChild<ListBox>(popup.Child, "sigmaList");
listbox.Focus();
listbox.LostFocus += PopSigmaLostFocus;
var clearButton = FindControls.FindChild<Button>(popup.Child, "btnSigmaClear");
//Get the data from
var mainGrid = FindControls.FindParent<ExtendedDataGrid>(popup);
if (mainGrid != null)
{
mainGrid.CommitEdit();
mainGrid.CommitEdit();
mainGrid.AutoFilterHelper.CurrentSigmaListBox = listbox;
CurrentSigmaColumn = column.Column.SortMemberPath;
CurrentGrid = mainGrid;
List<CheckedListItem> currentValues;
var itemSource = (DataView)mainGrid.ItemsSource;
var table = itemSource.Table;
CurrentColumn = column.Column.SortMemberPath;
if (IsSummable(table.Columns[column.Column.SortMemberPath].DataType))
currentValues = new List<CheckedListItem>()
{
new CheckedListItem(){Name = "Sum",IsChecked = IsSummariesChecked(CurrentColumn,ExtendedDataGrid.Sum)},
new CheckedListItem(){Name = "Average",IsChecked = IsSummariesChecked(CurrentColumn,ExtendedDataGrid.Average)},
new CheckedListItem(){Name = "Count",IsChecked = IsSummariesChecked(CurrentColumn,ExtendedDataGrid.Count)},
new CheckedListItem(){Name = "Min",IsChecked = IsSummariesChecked(CurrentColumn,ExtendedDataGrid.Min)},
new CheckedListItem(){Name = "Max",IsChecked = IsSummariesChecked(CurrentColumn,ExtendedDataGrid.Max)}
};
else
currentValues = new List<CheckedListItem>()
{
new CheckedListItem(){Name = "Count",IsChecked = IsSummariesChecked(CurrentColumn,ExtendedDataGrid.Count)},
new CheckedListItem(){Name = "Smallest",IsChecked = IsSummariesChecked(CurrentColumn,ExtendedDataGrid.Smallest)},
new CheckedListItem(){Name = "Largest",IsChecked = IsSummariesChecked(CurrentColumn,ExtendedDataGrid.Lasrgest)}
};
if (clearButton != null)
{
clearButton.IsEnabled = currentValues.Count(c => c.IsChecked) > 0;
clearButton.UpdateLayout();
}
listbox.ItemsSource = currentValues;
listbox.UpdateLayout();
listbox.Items.Refresh();
}
}
internal SelectedCellsCollection(DataGrid owner) : base(owner)
{
}
/// <summary>
/// This is used strictly to create the partial CellInfos.
/// </summary>
/// <remarks>
/// This is being kept private so that it is explicit that the
/// caller expects invalid data.
/// </remarks>
private DataGridCellInfo(DataGrid owner, DataGridColumn column, object item)
{
Debug.Assert(owner != null, "owner should not be null.");
_item = item;
_column = column;
_owner = new WeakReference(owner);
}
/// <summary>
/// Assumes that if the owner matches, then the column and item fields are valid.
/// </summary>
internal bool IsValidForDataGrid(DataGrid dataGrid)
{
DataGrid owner = Owner;
return (ArePropertyValuesValid && (owner == dataGrid)) || (owner == null);
}
/// <summary>
/// This is used by CurrentCell if there isn't a valid CurrentItem or CurrentColumn.
/// </summary>
internal static DataGridCellInfo CreatePossiblyPartialCellInfo(object item, DataGridColumn column, DataGrid owner)
{
Debug.Assert(owner != null, "owner should not be null.");
if ((item == null) && (column == null))
{
return Unset;
}
else
{
return new DataGridCellInfo(owner, column, (item == null) ? DependencyProperty.UnsetValue : item);
}
}
