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1908-V100-KryptonDataGridViewDateTimePickerCell-updates #1988

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Dec 24, 2024
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1908-V100-KryptonDataGridViewDateTimePickerCell-updates #1988

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192 changes: 74 additions & 118 deletions ...pton Components/Krypton.Toolkit/Controls Toolkit/KryptonDataGridViewDateTimePickerCell.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,6 @@ public class KryptonDataGridViewDateTimePickerCell : DataGridViewTextBoxCell
{
#region Static Fields
[ThreadStatic]
private static KryptonDateTimePicker _paintingDateTime;
private static readonly DateTimeConverter _dtc = new DateTimeConverter();
private static readonly Type _defaultEditType = typeof(KryptonDataGridViewDateTimePickerEditingControl);
private static readonly Type _defaultValueType = typeof(DateTime);
Expand Down Expand Up @@ -52,17 +51,6 @@ public class KryptonDataGridViewDateTimePickerCell : DataGridViewTextBoxCell
/// </summary>
public KryptonDataGridViewDateTimePickerCell()
{
// Create a thread specific KryptonDateTimePicker control used for the painting of the non-edited cells
if (_paintingDateTime == null)
{
_paintingDateTime = new KryptonDateTimePicker
{
ShowBorder = false
};
_paintingDateTime.StateCommon.Border.Width = 0;
_paintingDateTime.StateCommon.Border.Draw = InheritBool.False;
}

// Set the default values of the properties:
_showCheckBox = false;
_showUpDown = false;
Expand Down Expand Up @@ -513,9 +501,7 @@ public override void InitializeEditingControl(int rowIndex,
}
else
{
var dt = (DateTime)_dtc.ConvertFromInvariantString(initialFormattedValueStr)!;

if (dt != null)
if (_dtc.ConvertFromInvariantString(initialFormattedValueStr) is DateTime dt)
{
dateTime.Value = dt;
}
Expand Down Expand Up @@ -548,13 +534,10 @@ public override void InitializeEditingControl(int rowIndex,
{
return string.Empty;
}
else

if (value is DateTime dt)
{
var dt = (DateTime)value;
if (dt != null)
{
return _dtc.ConvertToInvariantString(dt);
}
return _dtc.ConvertToInvariantString(dt);
}

return base.GetFormattedValue(value, rowIndex, ref cellStyle, valueTypeConverter, formattedValueTypeConverter, context);
Expand Down Expand Up @@ -583,32 +566,74 @@ public override object ParseFormattedValue(object? formattedValue,
return string.IsNullOrEmpty(stringValue) ? DBNull.Value : _dtc.ConvertFromInvariantString(stringValue)!;
}
}

/// <summary>
/// Custom implementation of the PositionEditingControl method called by the DataGridView control when it
/// needs to relocate and/or resize the editing control.
/// </summary>
public override void PositionEditingControl(bool setLocation,
bool setSize,
Rectangle cellBounds,
Rectangle cellClip,
DataGridViewCellStyle cellStyle,
bool singleVerticalBorderAdded,
bool singleHorizontalBorderAdded,
bool isFirstDisplayedColumn,
bool isFirstDisplayedRow)
{
Rectangle editingControlBounds = PositionEditingPanel(cellBounds, cellClip, cellStyle,
singleVerticalBorderAdded, singleHorizontalBorderAdded,
isFirstDisplayedColumn, isFirstDisplayedRow);

editingControlBounds = GetAdjustedEditingControlBounds(editingControlBounds, cellStyle);
DataGridView!.EditingControl!.Location = new Point(editingControlBounds.X, editingControlBounds.Y);
DataGridView.EditingControl.Size = new Size(editingControlBounds.Width, editingControlBounds.Height);
}
#endregion

#region Protected
///<inheritdoc/>
protected override void Paint(Graphics graphics, Rectangle clipBounds, Rectangle cellBounds, int rowIndex, DataGridViewElementStates cellState, object? value,
object? formattedValue, string? errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts)
{
if (DataGridView is not null
&& DataGridView.Rows.SharedRow(rowIndex).Index != -1
&& KryptonOwningColumn?.CellIndicatorImage is Image image)
{
int pos;
Rectangle textArea;
var righToLeft = DataGridView.RightToLeft == RightToLeft.Yes;

if (righToLeft)
{
pos = cellBounds.Left;

// The WinForms cell content always receives padding of one by default, custom padding is added tot that.
textArea = new Rectangle(
1 + cellBounds.Left + cellStyle.Padding.Left + image.Width,
1 + cellBounds.Top + cellStyle.Padding.Top,
cellBounds.Width - cellStyle.Padding.Left - cellStyle.Padding.Right - image.Width - 3,
cellBounds.Height - cellStyle.Padding.Top - cellStyle.Padding.Bottom - 2);
}
else
{
pos = cellBounds.Right - image.Width;

// The WinForms cell content always receives padding of one by default, custom padding is added tot that.
textArea = new Rectangle(
1 + cellBounds.Left + cellStyle.Padding.Left,
1 + cellBounds.Top + cellStyle.Padding.Top,
cellBounds.Width - cellStyle.Padding.Left - cellStyle.Padding.Right - image.Width - 3,
cellBounds.Height - cellStyle.Padding.Top - cellStyle.Padding.Bottom - 2);
}

// When the Krypton column is part of a WinForms DataGridView let the default paint routine paint the cell.
// Afterwards we paint the text and drop down image.
if (DataGridView is DataGridView)
{
base.Paint(graphics, clipBounds, cellBounds, rowIndex, cellState, null, string.Empty, errorText, cellStyle, advancedBorderStyle, paintParts);
}

// Draw the drop down button, only if no ErrorText has been set.
// If the ErrorText is set, only the error icon is shown. Otherwise both are painted on the same spot.
if (ErrorText.Length == 0)
{
graphics.DrawImage(image, new Point(pos, textArea.Top));

if (formattedValue is string str
&& str.Length > 0
&& DateTime.TryParse(str, out DateTime dt))
{
formattedValue = dt.ToString(InheritedStyle.Format);
}
}
else
{
formattedValue = errorText;
}

TextRenderer.DrawText(graphics, formattedValue?.ToString() ?? string.Empty, cellStyle.Font, textArea, cellStyle.ForeColor,
KryptonDataGridViewUtilities.ComputeTextFormatFlagsForCellStyleAlignment(righToLeft, cellStyle.Alignment, cellStyle.WrapMode));
}
}

/// <summary>
/// Customized implementation of the GetErrorIconBounds function in order to draw the potential
/// error icon next to the up/down buttons and not on top of them.
Expand Down Expand Up @@ -650,87 +675,13 @@ protected override Size GetPreferredSize(Graphics graphics, DataGridViewCellStyl

return preferredSize;
}

/// <summary>
/// Custom paints the cell. The base implementation of the DataGridViewTextBoxCell type is called first,
/// dropping the icon error and content foreground parts. Those two parts are painted by this custom implementation.
/// In this sample, the non-edited KryptonDateTimePicker control is painted by using a call to Control.DrawToBitmap. This is
/// an easy solution for painting controls but it's not necessarily the most performant. An alternative would be to paint
/// the KryptonDateTimePicker control piece by piece (text and up/down buttons).
/// </summary>
protected override void Paint(Graphics graphics,
Rectangle clipBounds,
Rectangle cellBounds,
int rowIndex,
DataGridViewElementStates cellState,
object? value,
object? formattedValue,
string? errorText,
DataGridViewCellStyle cellStyle,
DataGridViewAdvancedBorderStyle advancedBorderStyle,
DataGridViewPaintParts paintParts)
{
if (DataGridView == null)
{
return;
}

_paintingDateTime.RightToLeft = DataGridView.RightToLeft;
_paintingDateTime.Format = Format;
_paintingDateTime.CustomFormat = CustomFormat;
_paintingDateTime.CustomNullText = CustomNullText;
_paintingDateTime.MaxDate = MaxDate;
_paintingDateTime.MinDate = MinDate;

var drawText = CustomNullText;
if ((value == null) || (value == DBNull.Value))
{
_paintingDateTime.ValueNullable = value;
_paintingDateTime.PerformLayout();
}
else
{
_paintingDateTime.Value = (DateTime)value;
_paintingDateTime.PerformLayout();
drawText = _paintingDateTime.Text;
}

base.Paint(graphics, clipBounds, cellBounds, rowIndex,
cellState, value, drawText, errorText,
cellStyle, advancedBorderStyle, paintParts);
}
#endregion

#region Private

private KryptonDataGridViewDateTimePickerEditingControl EditingDateTimePicker =>
DataGridView!.EditingControl as KryptonDataGridViewDateTimePickerEditingControl ?? throw new NullReferenceException(GlobalStaticValues.VariableCannotBeNull(nameof(DataGridView.EditingControl)));

private Rectangle GetAdjustedEditingControlBounds(Rectangle editingControlBounds,
DataGridViewCellStyle cellStyle)
{
// Adjust the vertical location of the editing control:
var preferredHeight = _paintingDateTime.GetPreferredSize(_sizeLarge).Height + 2;
if (preferredHeight < editingControlBounds.Height)
{
switch (cellStyle.Alignment)
{
case DataGridViewContentAlignment.MiddleLeft:
case DataGridViewContentAlignment.MiddleCenter:
case DataGridViewContentAlignment.MiddleRight:
editingControlBounds.Y += (editingControlBounds.Height - preferredHeight) / 2;
break;
case DataGridViewContentAlignment.BottomLeft:
case DataGridViewContentAlignment.BottomCenter:
case DataGridViewContentAlignment.BottomRight:
editingControlBounds.Y += editingControlBounds.Height - preferredHeight;
break;
}
}

return editingControlBounds;
}

private void OnCommonChange()
{
if (DataGridView is { IsDisposed: false, Disposing: false })
Expand Down Expand Up @@ -906,6 +857,11 @@ internal void SetCalendarTodayDate(int rowIndex, DateTime value)
EditingDateTimePicker.CalendarTodayDate = value;
}
}

/// <summary>
/// Type casted version of OwningColumn
/// </summary>
internal KryptonDataGridViewDateTimePickerColumn? KryptonOwningColumn => OwningColumn as KryptonDataGridViewDateTimePickerColumn;
#endregion
}
}
20 changes: 19 additions & 1 deletion ...on Components/Krypton.Toolkit/Controls Toolkit/KryptonDataGridViewDateTimePickerColumn.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@ public KryptonDataGridViewDateTimePickerColumn()
_annualDates = [];
_monthlyDates = [];
_dates = [];
_kryptonDataGridViewCellIndicatorImage = new();
}

/// <summary>
Expand Down Expand Up @@ -894,8 +895,25 @@ public DateTime[]? CalendarBoldedDates
/// Small utility function that returns the template cell as a KryptonDataGridViewDateTimePickerCell
/// </summary>
private KryptonDataGridViewDateTimePickerCell? DateTimePickerCellTemplate => CellTemplate as KryptonDataGridViewDateTimePickerCell;

// Cell indicator image instance
private KryptonDataGridViewCellIndicatorImage _kryptonDataGridViewCellIndicatorImage;
#endregion

#region Internal
/// <summary>
/// Provides the cell indicator images to the cells from from this column instance.<br/>
/// For internal use only.
/// </summary>
internal Image? CellIndicatorImage => _kryptonDataGridViewCellIndicatorImage.Image;
#endregion Internal

#region Protected
/// <inheritdoc/>
protected override void OnDataGridViewChanged()
{
_kryptonDataGridViewCellIndicatorImage.DataGridView = DataGridView as KryptonDataGridView;
base.OnDataGridViewChanged();
}
#endregion Protected
}
}