private void SetCellToolTip(DataControlFieldCell cell)
{
if (cell.ContainingField is IHasHeaderToolTip)
{
IHasHeaderToolTip tip = (IHasHeaderToolTip)cell.ContainingField;
cell.ToolTip = tip.HeaderToolTip;
}
}
protected override void Render(HtmlTextWriter writer)
{
IHasHeaderToolTip tip = this.ContainingField as IHasHeaderToolTip;
if (tip != null)
{
this.ToolTip = tip.HeaderToolTip;
}
base.Render(writer);
}
/// <summary>
/// Finds grid view of the page in which our control was placed by using property GridViewExId
/// Renders the markup for the SortColumnChooser control and then applies sorting in the contol
/// based on the DefaultSortExpression of the grid. Apllies direction based on grid view property
/// DefaultSortDirection.
/// </summary>
/// <param name="writer"></param>
protected override void RenderContents(HtmlTextWriter writer)
{
base.RenderContents(writer);
writer.AddStyleAttribute("float", "left");
writer.AddAttribute(HtmlTextWriterAttribute.Class, "ui-widget");
writer.RenderBeginTag(HtmlTextWriterTag.Div);
writer.AddAttribute(HtmlTextWriterAttribute.Class, "ui-widget-header");
writer.RenderBeginTag(HtmlTextWriterTag.Div);
writer.Write("Available Columns");
writer.RenderEndTag(); //div
writer.AddAttribute(HtmlTextWriterAttribute.Id, this.ClientID + "_1");
writer.AddAttribute(HtmlTextWriterAttribute.Class, "ui-widget-content");
writer.RenderBeginTag(HtmlTextWriterTag.Ul);
if (this.EnableGroupBy && _gv.SortExpressions.CountMasterExpressions == 0)
{
// If sort columns already contain group by marker, do not add it here
RenderGroupByMarker(writer);
}
foreach (DataControlField col in
_gv.Columns.Cast <DataControlField>().Where(p => !string.IsNullOrEmpty(p.SortExpression)))
{
// Only those columns which are sortable, and not part of default expression
SortExpression colSortExpr = new SortExpression(col.SortExpression);
if (!_gv.SortExpressions.Contains(colSortExpr))
{
writer.AddAttribute(HtmlTextWriterAttribute.Class, "ui-state-default");
//string sortExprFixed = SortFormatProvider.FixSortExpressions(col.SortExpression);
writer.AddAttribute("sortexpr", colSortExpr.ToString());
IHasHeaderToolTip tip = col as IHasHeaderToolTip;
if (tip != null && !string.IsNullOrEmpty(tip.HeaderToolTip))
{
writer.AddAttribute(HtmlTextWriterAttribute.Title, tip.HeaderToolTip);
}
writer.RenderBeginTag(HtmlTextWriterTag.Li);
writer.Write(col.HeaderText.Replace("|", " - "));
writer.Write(" ");
// Hidden Icon
RenderSortIcon(writer, colSortExpr, null);
writer.RenderEndTag(); //li
}
}
writer.RenderEndTag(); //ul
writer.RenderEndTag(); //div
writer.AddStyleAttribute("float", "right");
writer.AddAttribute(HtmlTextWriterAttribute.Class, "ui-widget");
writer.RenderBeginTag(HtmlTextWriterTag.Div);
writer.AddAttribute(HtmlTextWriterAttribute.Class, "ui-widget-header");
writer.RenderBeginTag(HtmlTextWriterTag.Div);
writer.Write("Sort Columns");
writer.RenderEndTag(); //div
writer.AddAttribute(HtmlTextWriterAttribute.Id, this.ClientID + "_2");
writer.AddAttribute(HtmlTextWriterAttribute.Class, "ui-widget-content");
writer.RenderBeginTag(HtmlTextWriterTag.Ul);
//int sequence = 0;
for (int i = 0; i < _gv.SortExpressions.Count; ++i)
{
// Only those columns which are part of default expression
if (i > 0 && i == _gv.SortExpressions.CountMasterExpressions)
{
RenderGroupByMarker(writer);
}
DataControlField dcf = _gv.Columns.Cast <DataControlField>().FirstOrDefault(
p => _gv.SortExpressions[i].Equals(p.SortExpression));
if (dcf != null)
{
IHasHeaderToolTip tip = dcf as IHasHeaderToolTip;
if (tip != null && !string.IsNullOrEmpty(tip.HeaderToolTip))
{
writer.AddAttribute(HtmlTextWriterAttribute.Title, tip.HeaderToolTip);
}
writer.AddAttribute(HtmlTextWriterAttribute.Class, "ui-state-default ui-priority-primary");
//string sortExprFixed = SortFormatProvider.FixSortExpressions(sortExpr);
writer.AddAttribute("sortexpr", _gv.SortExpressions[i].ToString());
writer.RenderBeginTag(HtmlTextWriterTag.Li);
writer.Write(dcf.HeaderText.Replace("|", " - "));
writer.Write(" ");
//++sequence;
RenderSortIcon(writer, _gv.SortExpressions[i], i + 1);
writer.RenderEndTag(); //li
}
}
if (_gv.SortExpressions.Count == _gv.SortExpressions.CountMasterExpressions)
{
// The group by marker is at the very end. Render it now
RenderGroupByMarker(writer);
}
writer.RenderEndTag(); //ul
writer.RenderBeginTag(HtmlTextWriterTag.P);
writer.AddAttribute(HtmlTextWriterAttribute.Name, this.UniqueID);
writer.AddAttribute(HtmlTextWriterAttribute.Type, "checkbox");
writer.AddAttribute(HtmlTextWriterAttribute.Value, _gv.SortExpressions.ToString());
writer.RenderBeginTag(HtmlTextWriterTag.Input);
writer.RenderEndTag();
writer.Write(" Use these sort columns");
writer.RenderEndTag(); //p
writer.RenderEndTag(); //div
// Instructions
writer.RenderBeginTag(HtmlTextWriterTag.P);
writer.Write("Use drag and drop to add, remove or rearrange sort columns. Click on the sort icon to toggle sort direction. A mouse is required.");
writer.RenderEndTag(); //p
//_btnIcon.CustomIconName = "ui-icon-transferthick-e-w";
//_btnIcon.RenderControl(writer);
ButtonEx.RenderIcon(writer, "ui-icon-transferthick-e-w");
writer.RenderBeginTag(HtmlTextWriterTag.P);
writer.Write("Removing all sort columns will revert to default sorting.");
writer.RenderEndTag(); //p
// div which clears floats
writer.AddStyleAttribute("clear", "both");
writer.RenderBeginTag(HtmlTextWriterTag.Div);
writer.RenderEndTag();
//writer.RenderEndTag(); //div
}
