/// <summary>
/// 将指定的 TableCell 对象初始化为指定的行状态。
/// </summary>
/// <param name="cell">要初始化的 TableCell。</param>
/// <param name="cellType">DataControlCellType<see cref="DataControlCellType"/> 值之一。</param>
/// <param name="rowState">DataControlRowState<see cref="DataControlRowState"/> 值之一。</param>
/// <param name="rowIndex">从零开始的行索引。</param>
public override void InitializeCell(DataControlFieldCellEx cell,
DataControlCellType cellType,
DataGridViewRowState rowState,
int rowIndex)
{
base.InitializeCell(cell, cellType, rowState, rowIndex);
DataGridView owner = this.Control as DataGridView;
if (owner == null)
return;
else if (cellType == DataControlCellType.Header)
{
ClientScriptManager scriptManager = owner.Page.ClientScript;
string scriptKey = string.Format("{0}_SelectAll", owner.ClientID);
if (!scriptManager.IsClientScriptBlockRegistered(this.GetType(), scriptKey))
{
StringBuilder sb = new StringBuilder();
sb.Append("<script type=\"text/javascript\">\r\n");
sb.AppendFormat("function {0}_SelectAll()\r\n", owner.ClientID);
sb.Append("{\r\n");
sb.AppendFormat("\tvar c=document.all.{0}_cbSelectAll.checked;\r\n", owner.ClientID);
sb.AppendFormat("\tvar cb=document.all.{0}.getElementsByTagName(\"input\");\r\n", owner.ClientID);
sb.Append("\tif(cb && cb!=null)\r\n");
sb.Append("\t{\r\n");
sb.Append("\t\tfor(var i=0;i<cb.length;i++)\r\n");
sb.Append("\t\t{\r\n");
sb.AppendFormat("\t\t\tif(cb[i].type==\"checkbox\" && cb[i].id.indexOf(\"{0}\")>-1)\r\n", owner.ClientID);
sb.Append("\t\t\t{\r\n");
sb.Append("\t\t\tcb[i].checked=c;\r\n");
sb.Append("\t\t\t}\r\n");
sb.Append("\t\t}\r\n");
sb.Append("\t}\r\n");
sb.Append("}\r\n");
sb.Append("</script>\r\n");
scriptManager.RegisterClientScriptBlock(this.GetType(), scriptKey, sb.ToString());
}
HtmlInputCheckBox cb = new HtmlInputCheckBox();
cb.Attributes["ID"] = string.Format("{0}_cbSelectAll", owner.ClientID);
cb.Attributes["onclick"] = string.Format("javascript:{0}_SelectAll()", owner.ClientID);
cell.Controls.Add(cb);
}
}
/// <summary>
/// 将文本或控件添加到单元格的控件集合中。
/// </summary>
/// <param name="cell"></param>
/// <param name="cellType"></param>
/// <param name="rowState"></param>
/// <param name="rowIndex"></param>
public override void InitializeCell(DataControlFieldCellEx cell, DataControlCellType cellType, DataGridViewRowState rowState, int rowIndex)
{
base.InitializeCell(cell, cellType, rowState, rowIndex);
ITemplate template = null;
switch (cellType)
{
case DataControlCellType.Header:
template = this.headerTemplate;
break;
case DataControlCellType.Footer:
template = this.footerTemplate;
break;
case DataControlCellType.DataCell:
template = this.itemTemplate;
if (((rowState & DataGridViewRowState.AlterNate) != DataGridViewRowState.Normal) && (this.alternatingItemTemplate != null))
template = this.alternatingItemTemplate;
break;
}
if (template != null)
{
cell.Text = string.Empty;
template.InstantiateIn(cell);
}
else if (cellType == DataControlCellType.DataCell)
cell.Text = " ";
}
/// <summary>
/// 从当前表单元格提取由一个或多个双向绑定语句 (DataBind) 指定的数据控件字段的值，并将这些值添加到指定的 IOrderedDictionary 集合。
/// </summary>
/// <param name="dictionary"></param>
/// <param name="cell"></param>
/// <param name="rowState"></param>
/// <param name="includeReadOnly"></param>
public override void ExtractValuesFromCell(IOrderedDictionary dictionary, DataControlFieldCellEx cell, DataGridViewRowState rowState, bool includeReadOnly)
{
DataBoundControlExHelper.ExtractValuesFromBindableControls(dictionary, cell);
IBindableTemplate itemTemplate = this.ItemTemplate as IBindableTemplate;
if (((rowState & DataGridViewRowState.AlterNate) != DataGridViewRowState.Normal) && (this.AlternatingItemTemplate != null))
itemTemplate = this.AlternatingItemTemplate as IBindableTemplate;
if (itemTemplate != null)
{
bool convertEmptyStringToNull = this.ConvertEmptyStringToNull;
foreach (DictionaryEntry entry in itemTemplate.ExtractValues(cell.BindingContainer))
{
object obj = entry.Value;
if (convertEmptyStringToNull && (obj is string) && (((string)obj).Length == 0))
dictionary[entry.Key] = null;
else
dictionary[entry.Key] = obj;
}
}
}
/// <summary>
/// 将指定的 TableCell 对象初始化为指定的行状态。
/// </summary>
/// <param name="cell">要初始化的 TableCell。</param>
/// <param name="rowState">DataControlRowState<see cref="DataControlRowState"/> 值之一。</param>
protected override void InitializeDataCell(DataControlFieldCellEx cell, DataGridViewRowState rowState)
{
HtmlInputCheckBox cb = new HtmlInputCheckBox();
cb.ID = string.Format("{0}_cbSelect", ((DataGridView)this.Control).ClientID);
Control dataBindingContainer = (Control)cb;
dataBindingContainer.DataBinding += this.OnDataBindField;
cell.Controls.Add(cb);
}
/// <summary>
///
/// </summary>
/// <param name="cell"></param>
/// <param name="rowState"></param>
protected override void InitializeDataCell(DataControlFieldCellEx cell,
DataGridViewRowState rowState)
{
HtmlAnchor anchor = new HtmlAnchor();
Control dataBindingContainer = anchor as Control;
if (dataBindingContainer != null)
dataBindingContainer.DataBinding += this.OnDataBindField;
cell.Controls.Add(anchor);
}
/// <summary>
/// 构造函数。
/// </summary>
/// <param name="rowIndex"></param>
/// <param name="dataItemIndex"></param>
/// <param name="rowType"></param>
/// <param name="rowState"></param>
public DataGridViewRow(int rowIndex, int dataItemIndex, DataGridViewRowType rowType, DataGridViewRowState rowState)
{
this.rowIndex = rowIndex;
this.dataItemIndex = dataItemIndex;
this.rowType = rowType;
this.rowState = rowState;
}
/// <summary>
/// 创建行。
/// </summary>
/// <param name="rowIndex">要创建的行的索引。</param>
/// <param name="dataSourceIndex">要绑定到行的数据源项的索引。</param>
/// <param name="rowType">行类型。</param>
/// <param name="rowState">行状态。</param>
/// <returns></returns>
protected virtual DataGridViewRow CreateRow(int rowIndex, int dataSourceIndex, DataGridViewRowType rowType, DataGridViewRowState rowState)
{
DataGridViewRow row = new DataGridViewRow(rowIndex, dataSourceIndex, rowType, rowState);
if (rowType == DataGridViewRowType.DataRow)
{
row.Attributes.Add("onmouseout", string.Format("this.className='{0}';",
rowState == DataGridViewRowState.AlterNate ? this.AlternatingRowStyle.CssClass : this.RowStyle.CssClass));
row.Attributes.Add("onmouseover", string.Format("this.className='{0}';", this.MouseoverCssClass));
}
return row;
}
/// <summary>
///
/// </summary>
/// <param name="cell"></param>
/// <param name="cellType"></param>
/// <param name="rowState"></param>
/// <param name="rowIndex"></param>
public override void InitializeCell(DataControlFieldCellEx cell,
DataControlCellType cellType,
DataGridViewRowState rowState,
int rowIndex)
{
base.InitializeCell(cell, cellType, rowState, rowIndex);
DataGridView owner = this.Control as DataGridView;
if (owner == null)
return;
else if (cellType == DataControlCellType.Header && this.PopupWin)
{
if (this.WinType == EnumWindowType.Modal)
this.BuildModalWin(owner);
else
this.BuildNormalWin(owner);
}
}
DataGridViewRow CreateRow(int rowIndex, int dataSourceIndex, DataGridViewRowType rowType, DataGridViewRowState rowState, bool dataBind,
object dataItem, DataControlFieldEx[] fields, TableRowCollection rows, PagedDataSourceEx pagedDataSource)
{
DataGridViewRow row = this.CreateRow(rowIndex, dataSourceIndex, rowType, rowState);
DataGridViewRowEventArgs e = new DataGridViewRowEventArgs(row);
if (rowType != DataGridViewRowType.Footer)
this.InitializeRow(row, fields);
else
this.InitializePager(row, fields.Length, pagedDataSource);
if (dataBind)
row.DataItem = dataItem;
this.OnRowCreated(e);
rows.Add(row);
if (dataBind)
{
row.DataBind();
this.OnRowDataBound(e);
row.DataItem = null;
}
return row;
}
/// <summary>
/// 初始化为指定的行状态。
/// </summary>
/// <param name="cell"></param>
/// <param name="rowState"></param>
protected virtual void InitializeDataCell(DataControlFieldCellEx cell, DataGridViewRowState rowState)
{
Control control = null;
if (!string.IsNullOrEmpty(this.DataField))
control = cell;
if ((control != null) && base.Visible)
control.DataBinding += new EventHandler(this.OnDataBindField);
}
/// <summary>
/// 初始化为指定的行状态。
/// </summary>
/// <param name="cell"></param>
/// <param name="cellType"></param>
/// <param name="rowState"></param>
/// <param name="rowIndex"></param>
public override void InitializeCell(DataControlFieldCellEx cell, DataControlCellType cellType, DataGridViewRowState rowState, int rowIndex)
{
string headerText = string.Empty;
bool flag = false, flag2 = false;
if ((cellType == DataControlCellType.Header) && this.SupportsHtmlEncode && this.HtmlEncode)
{
headerText = this.HeaderText;
flag2 = true;
}
if (flag2 && !string.IsNullOrEmpty(headerText))
{
this.supressHeaderTextFieldChange = true;
this.HeaderText = HttpUtility.HtmlEncode(headerText);
flag = true;
}
base.InitializeCell(cell, cellType, rowState, rowIndex);
if (flag)
{
this.HeaderText = headerText;
this.supressHeaderTextFieldChange = false;
}
if (cellType == DataControlCellType.DataCell)
{
if (this.ShowRowSelectingEvent)
{
IButtonControl control;
IPostBackContainer container = base.Control as IPostBackContainer;
if (container != null)
{
control = new DataControlLinkButton(container);
}
else
control = new LinkButton();
control.CommandName = "RowSelectingEvent";
control.CommandArgument = rowIndex.ToString(CultureInfo.InvariantCulture);
((WebControl)control).DataBinding += new EventHandler(this.OnDataBindField);
cell.Controls.Add((WebControl)control);
}
else
this.InitializeDataCell(cell, rowState);
}
}
/// <summary>
/// 将文本或控件添加到单元格的控件集合中。
/// </summary>
/// <param name="cell"></param>
/// <param name="cellType"></param>
/// <param name="rowState"></param>
/// <param name="rowIndex"></param>
public virtual void InitializeCell(DataControlFieldCellEx cell, DataControlCellType cellType, DataGridViewRowState rowState, int rowIndex)
{
WebControl control = null;
string sortExpression = string.Empty, headerText = string.Empty;
ImageButton button = null;
switch (cellType)
{
case DataControlCellType.Header:
{
control = null;
sortExpression = this.SortExpression;
bool bSort = this.sortingEnabled && !string.IsNullOrEmpty(sortExpression);
string headerImageUrl = this.HeaderImageUrl;
headerText = this.HeaderText;
if (string.IsNullOrEmpty(headerImageUrl))
{
if (bSort)
{
LinkButton link = null;
IPostBackContainer container = this.control as IPostBackContainer;
if (container != null)
{
link = new DataControlLinkButton(container);
((DataControlLinkButton)link).EnableCallback(null);
}
else
link = new LinkButton();
link.Text = headerText;
link.CommandName = "Sort";
link.CommandArgument = sortExpression;
if (!(link is DataControlLinkButton))
link.CausesValidation = false;
control = link;
}
else
{
if (string.IsNullOrEmpty(headerText))
headerText = " ";
cell.Text = headerText;
}
goto Label_015C;
}
if (!bSort && !string.IsNullOrEmpty(headerImageUrl))
{
Image image = new Image();
image.ImageUrl = headerImageUrl;
control = image;
image.AlternateText = headerText;
goto Label_015C;
}
IPostBackContainer contrainer = this.control as IPostBackContainer;
if (contrainer == null)
{
button = new ImageButton();
break;
}
button = new DataControlImageButton(contrainer);
((DataControlImageButton)button).EnableCallback(null);
}
break;
case DataControlCellType.Footer:
{
string footerText = this.FooterText;
if (string.IsNullOrEmpty(footerText))
footerText = " ";
cell.Text = footerText;
}
return;
default:
return;
}
button.ImageUrl = this.HeaderImageUrl;
button.CommandName = "Sort";
button.CommandArgument = sortExpression;
if (!(button is DataControlImageButton))
button.CausesValidation = false;
button.AlternateText = headerText;
control = button;
Label_015C:
if (control != null)
cell.Controls.Add(control);
}
/// <summary>
/// 从当前表格单元格中提取数据控件字段的值，并将该值添加到指定的 <see cref="IDictionary"/> 集合中。
/// </summary>
/// <param name="dictionary"></param>
/// <param name="cell"></param>
/// <param name="rowState"></param>
/// <param name="includeReadOnly">如果要指示只读字段的值包括在 dictionary 集合中，则为 true；否则为 false。</param>
public virtual void ExtractValuesFromCell(IOrderedDictionary dictionary, DataControlFieldCellEx cell, DataGridViewRowState rowState, bool includeReadOnly)
{
}
