/// <summary>
/// 获取CheckStyle=Image时使用的Image
/// </summary>
public Image CheckBoxImage(I3CheckBoxColumn checkBoxColumn)
{
if (checkBoxColumn.CustomCheckImage != null)
{
return(checkBoxColumn.CustomCheckImage);
}
else
{
return(global::IE310.Table.Resources.I3Resource.CheckBoxColumnImage);
}
}
/// <summary>
/// 计算点击哪个区域时进行编辑
/// </summary>
/// <param name="checkBoxColumn"></param>
/// <returns></returns>
protected Rectangle CalcCheckBoxCheckRect(I3Row row, I3CheckBoxColumn checkBoxColumn)
{
if (checkBoxColumn.CheckBoxCheckStyle == I3CheckBoxCheckStyle.CheckInClientArea)
{
return(this.ClientRectangle);
}
else
{
return(this.CalcCheckBoxDisplayRect(row.Alignment, checkBoxColumn.CellAlignment, checkBoxColumn));
}
}
/// <summary>
/// Raises the PaintCell event
/// </summary>
/// <param name="e">A PaintCellEventArgs that contains the event data</param>
public override void OnPaintCell(I3PaintCellEventArgs e)
{
if (e.Table.ColumnModel.Columns[e.Column] is I3CheckBoxColumn)
{
I3CheckBoxColumn column = (I3CheckBoxColumn)e.Table.ColumnModel.Columns[e.Column];
this.checkSize = column.CheckSize;
this.drawText = column.DrawText;
}
else
{
this.checkSize = new Size(13, 13);
this.drawText = true;
}
base.OnPaintCell(e);
}
/// <summary>
/// Gets the Rectangle that specifies the Size and Location of
/// the check box contained in the current Cell
/// </summary>
/// <returns>A Rectangle that specifies the Size and Location of
/// the check box contained in the current Cell</returns>
protected Rectangle CalcCheckBoxDisplayRect(I3RowAlignment rowAlignment, I3ColumnAlignment columnAlignment, I3CheckBoxColumn checkBoxColumn)
{
if (checkBoxColumn.CustomCheckImage != null && checkBoxColumn.CustomCheckImageFillClient)
{
return(this.ClientRectangle);
}
Rectangle checkRect = new Rectangle(this.ClientRectangle.Location, this.CheckSize);
if (checkRect.Height > this.ClientRectangle.Height)
{
checkRect.Height = this.ClientRectangle.Height;
checkRect.Width = checkRect.Height;
}
switch (rowAlignment)
{
case I3RowAlignment.Center:
{
checkRect.Y += (this.ClientRectangle.Height - checkRect.Height) / 2;
break;
}
case I3RowAlignment.Bottom:
{
checkRect.Y = this.ClientRectangle.Bottom - checkRect.Height;
break;
}
}
if (!this.DrawText)
{
if (columnAlignment == I3ColumnAlignment.Center)
{
checkRect.X += (this.ClientRectangle.Width - checkRect.Width) / 2;
}
else if (columnAlignment == I3ColumnAlignment.Right)
{
checkRect.X = this.ClientRectangle.Right - checkRect.Width;
}
}
if (checkBoxColumn != null && checkBoxColumn.CheckBoxColumnStyle == I3CheckBoxColumnStyle.Image)
{
Size size = checkBoxColumn.CustomCheckImageSize;
checkRect.X -= Convert.ToInt32((size.Width - checkRect.Width) / 2);
checkRect.Width = size.Width;
checkRect.Y -= Convert.ToInt32((size.Height - checkRect.Height) / 2);
checkRect.Height = size.Height;
}
return(checkRect);
}
/// <summary>
/// Raises the Paint event
/// </summary>
/// <param name="e">A PaintCellEventArgs that contains the event data</param>
protected override void OnPaint(I3PaintCellEventArgs e)
{
base.OnPaint(e);
// don't bother if the Cell is null
if (e.Cell == null)
{
return;
}
Rectangle checkRect = this.CalcCheckBoxDisplayRect(this.LineAlignment, this.Alignment, e.Table.ColumnModel.Columns[e.Column] as I3CheckBoxColumn);
I3CheckBoxStates state = this.GetCheckBoxRendererData(e.Cell).CheckState;
if (!e.Enabled)
{
if (e.Cell.CheckState == CheckState.Checked)
{
state = I3CheckBoxStates.CheckedDisabled;
}
else if (e.Cell.CheckState == CheckState.Indeterminate)
{
state = I3CheckBoxStates.MixedDisabled;
}
else // if (e.Cell.CheckState == CheckState.Unchecked)
{
state = I3CheckBoxStates.UncheckedDisabled;
}
}
if (e.Table.ColumnModel.Columns[e.Column] is I3CheckBoxColumn)
{
I3CheckBoxColumn checkBoxColumn = e.Table.ColumnModel.Columns[e.Column] as I3CheckBoxColumn;
switch (checkBoxColumn.CheckBoxColumnStyle)
{
case I3CheckBoxColumnStyle.RadioButton:
// remove any mixed states
switch (state)
{
case I3CheckBoxStates.MixedNormal:
state = I3CheckBoxStates.CheckedNormal;
break;
case I3CheckBoxStates.MixedHot:
state = I3CheckBoxStates.CheckedHot;
break;
case I3CheckBoxStates.MixedPressed:
state = I3CheckBoxStates.CheckedPressed;
break;
case I3CheckBoxStates.MixedDisabled:
state = I3CheckBoxStates.CheckedDisabled;
break;
}
I3ThemeManager.DrawRadioButton(e.Graphics, checkRect, (I3RadioButtonStates)state);
break;
case I3CheckBoxColumnStyle.Image:
if (e.Cell.Checked)
{
Image image = this.CheckBoxImage(checkBoxColumn);
this.DrawImage(e.Graphics, image, checkRect, e.Cell.Enabled);
}
break;
default:
I3ThemeManager.DrawCheck(e.Graphics, checkRect, state);
break;
}
}
string text = "";
if (this.DrawText)
{
//string text = e.Cell.Text;
text = e.Table.ColumnModel.Columns[e.Column].DataToString(e.Cell.Data);
if (text != null && text.Length != 0)
{
Rectangle textRect = this.ClientRectangle;
textRect.X += checkRect.Width + 1;
textRect.Width -= checkRect.Width + 1;
if (e.Enabled)
{
e.Graphics.DrawString(text, this.Font, this.ForeBrush, textRect, this.StringFormat);
}
else
{
e.Graphics.DrawString(text, this.Font, this.GrayTextBrush, textRect, this.StringFormat);
}
}
}
//cal needWidth needHeigth
int maxWidth = e.Table.ColumnModel.Columns[e.Column].CellTextAutoWarp ? e.Table.ColumnModel.Columns[e.Column].Width : 0;
int buttonWidth = checkRect.Width;
CalCellNeedSize(e.Graphics, e.Cell, text, this.Font, this.StringFormat, maxWidth, 6 + buttonWidth, 0);
if (e.Focused && e.Enabled)
{
ControlPaint.DrawFocusRectangle(e.Graphics, this.ClientRectangle);
}
}
