private void RenderRefereceItem(HtmlTextWriter writer, ListControlItem item, BaseListDataBoundRenderEventArgs args)
{
if (!item.Enabled)
{
writer.AddAttribute(HtmlTextWriterAttribute.Disabled, "disabled");
}
var url = string.Format("/MainPage.aspx/data/{0}Edit/read?ref{0}={1}", ReferenceTableName, item.ReferenceValue);
writer.AddAttribute(HtmlTextWriterAttribute.Href, url);
writer.AddAttribute(HtmlTextWriterAttribute.Target, "_blank");
writer.RenderBeginTag(HtmlTextWriterTag.A);
writer.Write(HttpUtility.HtmlEncode(item.Text));
writer.RenderEndTag();
}
internal string Render(ListControlItem item)
{
_dontRenderTd = true;
var sb = new StringBuilder();
using (var textWriter = new StringWriter(sb))
using (var writer = new HtmlTextWriter(textWriter))
{
var args = new BaseListDataBoundRenderEventArgs {
RowsCount = 1, Width = "100%"
};
RenderItem(writer, item, args);
}
return(sb.ToString());
}
protected override void RenderContents(HtmlTextWriter writer)
{
RenderBeginRows(writer);
//если контрол только для чтения, то отображаем выбранные записи
var items = ReadOnly || ShowOnlySelected
? Items.Where(r => r.AnySelected()).ToList()
: Items;
var rowsCount = (int)Math.Ceiling(items.Count / (decimal)Columns);
if (RenderOnlyText)
{
rowsCount = 1;
}
var width = (100 / Columns) + "%";
var args = new BaseListDataBoundRenderEventArgs {
RowsCount = rowsCount, Width = width
};
RenderItems(writer, items, args);
RenderEndRows(writer);
}
protected override void RenderItem(HtmlTextWriter writer, ListControlItem item, BaseListDataBoundRenderEventArgs args)
{
if (RenderOnlyText)
{
writer.Write(item.Text);
return;
}
if (!string.IsNullOrEmpty(item.ToolTip))
{
writer.AddAttribute(HtmlTextWriterAttribute.Title, item.ToolTip);
}
writer.AddStyleAttribute(HtmlTextWriterStyle.Width, args.Width);
writer.RenderBeginTag(HtmlTextWriterTag.Td);
if (!item.Selected)
{
writer.WriteBeginTag("del");
}
#region checkbox
if (!ReadOnly && item.Enabled && item.Selected)
{
var link = new BaseHyperLink
{
Url = "javascript:void(0);",
OnClick = string.Format("MultipleLookupSelect_DeleteItem(this, '{0}', '{1}', '{2}'); return false;", ClientID, item.SelectedKey, item.Value),
ImgUrl = Themes.IconUrlDelete,
};
link.Render(writer, null);
writer.Write(" ");
}
#endregion
#region Label
writer.RenderBeginTag(HtmlTextWriterTag.Span);
if (!string.IsNullOrEmpty(item.Text))
{
var text = HttpUtility.HtmlEncode(item.Text);
if (!string.IsNullOrEmpty(text))
{
writer.Write(text.Replace("\r\n", "<br />"));
}
}
writer.RenderEndTag();
#endregion
if (!item.Selected)
{
writer.WriteEndTag("del");
}
writer.RenderEndTag();
}
protected virtual void RenderGroupItem(HtmlTextWriter writer, ListControlItem item, BaseListDataBoundRenderEventArgs args)
{
if (RenderOnlyText)
{
RenderItems(writer, item, args);
}
else
{
var clientID = item.Value;
writer.RenderBeginTag(HtmlTextWriterTag.Tr); //tr
writer.RenderBeginTag(HtmlTextWriterTag.Td); //Td
writer.RenderBeginTag(HtmlTextWriterTag.Div); //outer DIV
writer.RenderBeginTag(HtmlTextWriterTag.Fieldset); //Fieldset
#region Legend
writer.RenderBeginTag(HtmlTextWriterTag.Legend);
if (item.Selectable && item.ChildrenCount() > 1)
{
var checkBox = new BaseCheckBox
{
Checked = item.AllSelected(),
OnClick = "CheckInInnerGroup(this);",
};
checkBox.Render(writer, ExtenderAjaxControl);
}
writer.AddStyleAttribute(HtmlTextWriterStyle.Cursor, "pointer");
writer.AddAttribute(HtmlTextWriterAttribute.Id, clientID + "_Legend");
writer.AddAttribute(HtmlTextWriterAttribute.Title, Resources.PressToOpenCloseGroup);
writer.AddAttribute("ondblclick", "ClickInnerGroup(this);");
writer.AddAttribute("clickOnDblClickInParent", "on");
writer.RenderBeginTag(HtmlTextWriterTag.Span);
writer.Write(item.Text);
writer.RenderEndTag(); //Span
writer.RenderEndTag(); //Legend
#endregion
writer.AddAttribute(HtmlTextWriterAttribute.Id, clientID);
writer.RenderBeginTag(HtmlTextWriterTag.Div); //inner DIV
#region Table
writer.AddAttribute(HtmlTextWriterAttribute.Border, "0");
writer.AddStyleAttribute(HtmlTextWriterStyle.Width, "100%");
writer.RenderBeginTag(HtmlTextWriterTag.Table);
RenderItems(writer, item, args);
writer.RenderEndTag(); //table
#endregion
writer.RenderEndTag(); //inner DIV
writer.RenderEndTag(); //Fieldset
writer.RenderEndTag(); //outer DIV
writer.RenderEndTag(); //td
writer.RenderEndTag(); //tr
}
}
protected virtual void RenderItems(HtmlTextWriter writer, List <ListControlItem> items, BaseListDataBoundRenderEventArgs args)
{
if (items.Any(r => r.Children != null && r.Children.Count > 0))
{
foreach (var child in items)
{
if (child.IsGroup)
{
args.RowsCount = (int)Math.Ceiling(child.ChildrenCount() / (decimal)Columns);
if (child.HideGroup)
{
RenderItems(writer, child, args);
}
else
{
RenderGroupItem(writer, child, args);
}
}
else
{
if (!RenderOnlyText)
{
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
}
RenderItem(writer, child, args);
if (RenderOnlyText)
{
writer.Write("\r\n");
}
else
{
writer.RenderEndTag();
}
}
}
}
else if (Columns == 1)
{
foreach (var item in items)
{
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
RenderItem(writer, item, args);
writer.RenderEndTag();
}
}
else
{
// обход по строкам, затем выбиараем запись в слудующую колнку, т.е. шаг по записям по кол-ву строк. Пример обхода:
// 1 4 7
// 2 5 8
// 3 6
for (var rowIndex = 0; rowIndex < args.RowsCount; rowIndex++)
{
for (var index = rowIndex; index < items.Count; index += args.RowsCount)
{
var needBeginTr = index == rowIndex;
var needEndTr = index + args.RowsCount >= items.Count;
if (needBeginTr)
{
writer.RenderBeginTag(HtmlTextWriterTag.Tr);
}
RenderItem(writer, items[index], args);
if (needEndTr)
{
writer.RenderEndTag();
}
}
}
}
}
protected virtual void RenderItems(HtmlTextWriter writer, ListControlItem item, BaseListDataBoundRenderEventArgs args)
{
var children = ReadOnly || ShowOnlySelected
? item.Children.Where(r => r.AnySelected()).ToList()
: item.Children;
RenderItems(writer, children, args);
}
protected abstract void RenderItem(HtmlTextWriter writer, ListControlItem item,
BaseListDataBoundRenderEventArgs args);
protected override void RenderItem(HtmlTextWriter writer, ListControlItem item, BaseListDataBoundRenderEventArgs args)
{
if (!_dontRenderTd)
{
if (!string.IsNullOrEmpty(item.ToolTip))
{
writer.AddAttribute(HtmlTextWriterAttribute.Title, item.ToolTip);
}
writer.AddStyleAttribute(HtmlTextWriterStyle.Width, args.Width);
writer.RenderBeginTag(HtmlTextWriterTag.Td);
}
#region Download file
var linkBuilder = string.IsNullOrEmpty(item.SelectedKey) ? DefaultFileLinkBuilder : FileLinkBuilder;
var fileLink = new FileLinkWithPreview
{
FileName = item.Text,
FileLinkBuilder = linkBuilder,
};
linkBuilder.FileName = item.Text;
linkBuilder.KeyValue = item.SelectedKey ?? item.Value;
fileLink.FileManager = linkBuilder.FileManager;
fileLink.FieldName = linkBuilder.FieldName;
fileLink.RenderControl(writer);
#endregion
#region Delete file
if (!ReadOnly)
{
var link = new BaseHyperLink
{
Url = "javascript:void();",
OnClick = string.Format("RemoveListItem(this, '{0}', '{1}', '{2}'); return false;", ClientID, item.SelectedKey, item.Value),
ImgUrl = Themes.IconUrlRemove,
ToolTip = Resources.SDeleteText,
Text = Resources.SDeleteText,
};
HtmlGenerator.RenderHyperLink(writer, link);
}
#endregion
if (!_dontRenderTd)
{
writer.RenderEndTag();//Td
}
}
protected override void RenderItem(HtmlTextWriter writer, ListControlItem item, BaseListDataBoundRenderEventArgs args)
{
throw new NotImplementedException();
}
protected override void RenderItem(HtmlTextWriter writer, ListControlItem item, BaseListDataBoundRenderEventArgs args)
{
if (RenderOnlyText)
{
writer.Write(item.Text);
return;
}
var checkBoxID = CheckBoxClientID(item);
if (!string.IsNullOrEmpty(item.ToolTip))
{
writer.AddAttribute(HtmlTextWriterAttribute.Title, item.ToolTip);
}
writer.AddStyleAttribute(HtmlTextWriterStyle.Width, args.Width);
writer.RenderBeginTag(HtmlTextWriterTag.Td);
#region checkbox
if (!ReadOnly)
{
writer.AddAttribute(HtmlTextWriterAttribute.Type, "checkbox");
if (item.Selected)
{
writer.AddAttribute(HtmlTextWriterAttribute.Value, "on");
writer.AddAttribute(HtmlTextWriterAttribute.Checked, "checked");
}
writer.AddAttribute(HtmlTextWriterAttribute.Id, checkBoxID);
writer.AddAttribute(HtmlTextWriterAttribute.Name, CheckBoxUniqueID(item));
writer.AddAttribute("CheckedValue", item.Value);
if (!item.Enabled || !item.Selectable)
{
writer.AddAttribute(HtmlTextWriterAttribute.Disabled, "disabled");
}
writer.RenderBeginTag(HtmlTextWriterTag.Input);
writer.RenderEndTag();
}
#endregion
RenderItemIcon(writer, item);
if (string.IsNullOrEmpty(item.ReferenceValue))
{
RenderLabelItem(writer, item, args, checkBoxID);
}
else
{
RenderRefereceItem(writer, item, args);
}
writer.RenderEndTag();
}
protected virtual void RenderLabelItem(HtmlTextWriter writer, ListControlItem item, BaseListDataBoundRenderEventArgs args, string checkBoxID)
{
writer.AddAttribute(HtmlTextWriterAttribute.For, checkBoxID);
if (!item.Enabled)
{
writer.AddAttribute(HtmlTextWriterAttribute.Disabled, "disabled");
}
writer.RenderBeginTag(HtmlTextWriterTag.Label);
if (!string.IsNullOrEmpty(item.Text))
{
var text = HttpUtility.HtmlEncode(item.Text);
if (!string.IsNullOrEmpty(text))
{
writer.Write(text.Replace("\r\n", "<br />"));
}
}
writer.RenderEndTag();
}