/// <summary>
/// Raises the KeyDown event
/// </summary>
/// <param name="e">A CellKeyEventArgs that contains the event data</param>
public override void OnKeyDown(CellKeyEventArgs e)
{
base.OnKeyDown(e);
if (e.KeyData == Keys.Space && e.Table.IsCellEditable(e.CellPos))
{
// get the renderer data
CheckBoxRendererData rendererData = this.GetCheckBoxRendererData(e.Cell);
//
if (e.Cell.CheckState == CheckState.Checked)
{
rendererData.CheckState = CheckBoxStates.CheckedPressed;
}
else if (e.Cell.CheckState == CheckState.Indeterminate)
{
rendererData.CheckState = CheckBoxStates.MixedPressed;
}
else //if (e.Cell.CheckState == CheckState.Unchecked)
{
rendererData.CheckState = CheckBoxStates.UncheckedPressed;
}
e.Table.Invalidate(e.CellRect);
}
}
/// <summary>
/// Raises the MouseDown event
/// </summary>
/// <param name="e">A CellMouseEventArgs that contains the event data</param>
public override void OnMouseDown(CellMouseEventArgs e)
{
base.OnMouseDown(e);
if (e.Table.IsCellEditable(e.CellPos))
{
// get the renderer data
CheckBoxRendererData rendererData = this.GetCheckBoxRendererData(e.Cell);
if (this.CalcCheckRect(e.Table.TableModel.Rows[e.Row].Alignment, e.Table.ColumnModel.Columns[e.Column].Alignment).Contains(e.X, e.Y))
{
//
if (e.Cell.CheckState == CheckState.Checked)
{
rendererData.CheckState = CheckBoxStates.CheckedPressed;
}
else if (e.Cell.CheckState == CheckState.Indeterminate)
{
rendererData.CheckState = CheckBoxStates.MixedPressed;
}
else //if (e.Cell.CheckState == CheckState.Unchecked)
{
rendererData.CheckState = CheckBoxStates.UncheckedPressed;
}
e.Table.Invalidate(e.CellRect);
}
}
}
/// <summary>
/// Gets the CheckBoxCellRenderer specific data used by the Renderer from
/// the specified Cell
/// </summary>
/// <param name="cell">The Cell to get the CheckBoxCellRenderer data for</param>
/// <returns>The CheckBoxCellRenderer data for the specified Cell</returns>
protected CheckBoxRendererData GetCheckBoxRendererData(Cell cell)
{
object rendererData = this.GetRendererData(cell);
if (rendererData == null || !(rendererData is CheckBoxRendererData))
{
if (cell.CheckState == CheckState.Unchecked)
{
rendererData = new CheckBoxRendererData(CheckBoxStates.UncheckedNormal);
}
else if (cell.CheckState == CheckState.Indeterminate && cell.ThreeState)
{
rendererData = new CheckBoxRendererData(CheckBoxStates.MixedNormal);
}
else
{
rendererData = new CheckBoxRendererData(CheckBoxStates.CheckedNormal);
}
this.SetRendererData(cell, rendererData);
}
this.ValidateCheckState(cell, (CheckBoxRendererData)rendererData);
return((CheckBoxRendererData)rendererData);
}
/// <summary>
/// Corrects any differences between the check state of the specified Cell
/// and the check state in its rendererData
/// </summary>
/// <param name="cell">The Cell to chech</param>
/// <param name="rendererData">The CheckBoxRendererData to check</param>
private void ValidateCheckState(Cell cell, CheckBoxRendererData rendererData)
{
switch (cell.CheckState)
{
case CheckState.Checked:
{
if (rendererData.CheckState <= CheckBoxStates.UncheckedDisabled)
{
rendererData.CheckState |= (CheckBoxStates)4;
}
else if (rendererData.CheckState >= CheckBoxStates.MixedNormal)
{
rendererData.CheckState -= (CheckBoxStates)4;
}
break;
}
case CheckState.Indeterminate:
{
if (rendererData.CheckState <= CheckBoxStates.UncheckedDisabled)
{
rendererData.CheckState |= (CheckBoxStates)8;
}
else if (rendererData.CheckState <= CheckBoxStates.CheckedDisabled)
{
rendererData.CheckState |= (CheckBoxStates)4;
}
break;
}
default:
{
if (rendererData.CheckState >= CheckBoxStates.MixedNormal)
{
rendererData.CheckState -= (CheckBoxStates)8;
}
else if (rendererData.CheckState >= CheckBoxStates.CheckedNormal)
{
rendererData.CheckState -= (CheckBoxStates)4;
}
break;
}
}
}
/// <summary>
/// Raises the MouseUp event
/// </summary>
/// <param name="e">A CellMouseEventArgs that contains the event data</param>
public override void OnMouseUp(CellMouseEventArgs e)
{
base.OnMouseUp(e);
if (e.Table.IsCellEditable(e.CellPos))
{
// get the renderer data
CheckBoxRendererData rendererData = this.GetCheckBoxRendererData(e.Cell);
if (this.CalcCheckRect(e.Table.TableModel.Rows[e.Row].Alignment, e.Table.ColumnModel.Columns[e.Column].Alignment).Contains(e.X, e.Y))
{
if (e.Button == MouseButtons.Left && e.Table.LastMouseDownCell.Row == e.Row && e.Table.LastMouseDownCell.Column == e.Column)
{
//
if (e.Cell.CheckState == CheckState.Checked)
{
if (!e.Cell.ThreeState || !(e.Table.ColumnModel.Columns[e.Column] is CheckBoxColumn) ||
((CheckBoxColumn)e.Table.ColumnModel.Columns[e.Column]).CheckStyle == CheckBoxColumnStyle.RadioButton)
{
rendererData.CheckState = CheckBoxStates.UncheckedHot;
e.Cell.CheckState = CheckState.Unchecked;
}
else
{
rendererData.CheckState = CheckBoxStates.MixedHot;
e.Cell.CheckState = CheckState.Indeterminate;
}
}
else if (e.Cell.CheckState == CheckState.Indeterminate)
{
rendererData.CheckState = CheckBoxStates.UncheckedHot;
e.Cell.CheckState = CheckState.Unchecked;
}
else //if (e.Cell.CheckState == CheckState.Unchecked)
{
rendererData.CheckState = CheckBoxStates.CheckedHot;
e.Cell.CheckState = CheckState.Checked;
}
e.Table.Invalidate(e.CellRect);
}
}
}
}
/// <summary>
/// Raises the MouseLeave event
/// </summary>
/// <param name="e">A CellMouseEventArgs that contains the event data</param>
public override void OnMouseLeave(CellMouseEventArgs e)
{
base.OnMouseLeave(e);
if (e.Table.IsCellEditable(e.CellPos))
{
// get the renderer data
CheckBoxRendererData rendererData = this.GetCheckBoxRendererData(e.Cell);
if (e.Cell.CheckState == CheckState.Checked)
{
if (rendererData.CheckState != CheckBoxStates.CheckedNormal)
{
rendererData.CheckState = CheckBoxStates.CheckedNormal;
e.Table.Invalidate(e.CellRect);
}
}
else if (e.Cell.CheckState == CheckState.Indeterminate)
{
if (rendererData.CheckState != CheckBoxStates.MixedNormal)
{
rendererData.CheckState = CheckBoxStates.MixedNormal;
e.Table.Invalidate(e.CellRect);
}
}
else //if (e.Cell.CheckState == CheckState.Unchecked)
{
if (rendererData.CheckState != CheckBoxStates.UncheckedNormal)
{
rendererData.CheckState = CheckBoxStates.UncheckedNormal;
e.Table.Invalidate(e.CellRect);
}
}
}
}
/// <summary>
/// Raises the KeyUp event
/// </summary>
/// <param name="e">A CellKeyEventArgs that contains the event data</param>
public override void OnKeyUp(CellKeyEventArgs e)
{
base.OnKeyUp(e);
if (e.KeyData == Keys.Space && e.Table.IsCellEditable(e.CellPos))
{
// get the renderer data
CheckBoxRendererData rendererData = this.GetCheckBoxRendererData(e.Cell);
//
if (e.Cell.CheckState == CheckState.Checked)
{
if (!e.Cell.ThreeState || !(e.Table.ColumnModel.Columns[e.Column] is CheckBoxColumn) ||
((CheckBoxColumn)e.Table.ColumnModel.Columns[e.Column]).CheckStyle == CheckBoxColumnStyle.RadioButton)
{
rendererData.CheckState = CheckBoxStates.UncheckedNormal;
e.Cell.CheckState = CheckState.Unchecked;
}
else
{
rendererData.CheckState = CheckBoxStates.MixedNormal;
e.Cell.CheckState = CheckState.Indeterminate;
}
}
else if (e.Cell.CheckState == CheckState.Indeterminate)
{
rendererData.CheckState = CheckBoxStates.UncheckedNormal;
e.Cell.CheckState = CheckState.Unchecked;
}
else //if (e.Cell.CheckState == CheckState.Unchecked)
{
rendererData.CheckState = CheckBoxStates.CheckedNormal;
e.Cell.CheckState = CheckState.Checked;
}
e.Table.Invalidate(e.CellRect);
}
}
/// <summary>
/// Raises the MouseMove event
/// </summary>
/// <param name="e">A CellMouseEventArgs that contains the event data</param>
public override void OnMouseMove(KellControls.KellTable.Events.CellMouseEventArgs e)
{
base.OnMouseMove(e);
if (e.Table.IsCellEditable(e.CellPos))
{
// get the renderer data
CheckBoxRendererData rendererData = this.GetCheckBoxRendererData(e.Cell);
if (this.CalcCheckRect(e.Table.TableModel.Rows[e.Row].Alignment, e.Table.ColumnModel.Columns[e.Column].Alignment).Contains(e.X, e.Y))
{
if (e.Cell.CheckState == CheckState.Checked)
{
if (rendererData.CheckState == CheckBoxStates.CheckedNormal)
{
if (e.Button == MouseButtons.Left && e.Row == e.Table.LastMouseDownCell.Row && e.Column == e.Table.LastMouseDownCell.Column)
{
rendererData.CheckState = CheckBoxStates.CheckedPressed;
}
else
{
rendererData.CheckState = CheckBoxStates.CheckedHot;
}
e.Table.Invalidate(e.CellRect);
}
}
else if (e.Cell.CheckState == CheckState.Indeterminate)
{
if (rendererData.CheckState == CheckBoxStates.MixedNormal)
{
if (e.Button == MouseButtons.Left && e.Row == e.Table.LastMouseDownCell.Row && e.Column == e.Table.LastMouseDownCell.Column)
{
rendererData.CheckState = CheckBoxStates.MixedPressed;
}
else
{
rendererData.CheckState = CheckBoxStates.MixedHot;
}
e.Table.Invalidate(e.CellRect);
}
}
else //if (e.Cell.CheckState == CheckState.Unchecked)
{
if (rendererData.CheckState == CheckBoxStates.UncheckedNormal)
{
if (e.Button == MouseButtons.Left && e.Row == e.Table.LastMouseDownCell.Row && e.Column == e.Table.LastMouseDownCell.Column)
{
rendererData.CheckState = CheckBoxStates.UncheckedPressed;
}
else
{
rendererData.CheckState = CheckBoxStates.UncheckedHot;
}
e.Table.Invalidate(e.CellRect);
}
}
}
else
{
if (e.Cell.CheckState == CheckState.Checked)
{
rendererData.CheckState = CheckBoxStates.CheckedNormal;
}
else if (e.Cell.CheckState == CheckState.Indeterminate)
{
rendererData.CheckState = CheckBoxStates.MixedNormal;
}
else //if (e.Cell.CheckState == CheckState.Unchecked)
{
rendererData.CheckState = CheckBoxStates.UncheckedNormal;
}
e.Table.Invalidate(e.CellRect);
}
}
}
