/// <summary>
/// Create numeric image button.
/// </summary>
/// <param name="writer">A <see cref="System.Web.UI.HtmlTextWriter"/> that represents the output stream to render HTML content on the client.</param>
/// <param name="index">the page index correspond to the button.</param>
/// <param name="isCurrent">if the page index correspond to the button is the current page index</param>
private void CreateNumericImages(HtmlTextWriter writer, int index, bool isCurrent)
{
AddPagingButtonLayoutTag(writer); //<li> or <span>
string indexStr = index.ToString();
for (int i = 0; i < indexStr.Length; i++)
{
writer.AddAttribute(HtmlTextWriterAttribute.Src, String.Concat(ImagePath, indexStr[i], (isCurrent) ? CpiButtonImageNameExtension : ButtonImageNameExtension, ButtonImageExtension));
if (ButtonImageAlign != ImageAlign.NotSet)
{
writer.AddAttribute(HtmlTextWriterAttribute.Align, ButtonImageAlign.ToString());
}
writer.AddAttribute(HtmlTextWriterAttribute.Border, "0");
writer.RenderBeginTag(HtmlTextWriterTag.Img);
writer.RenderEndTag();
}
if (PagingButtonLayoutType != PagingButtonLayoutType.None)
{
writer.RenderEndTag(); //</li> or </span>
}
}
/// <summary>
/// create more (...) button.
/// </summary>
private void CreateMoreButton(HtmlTextWriter writer, int pageIndex)
{
AddClassAndStyle(MoreButtonsClass, MoreButtonsStyle, writer);
AddPagingButtonLayoutTag(writer); //<li> or <span>
writeSpacingStyle(writer);
if (Enabled)
{
writer.AddAttribute("href", GetHrefString(pageIndex), false);
AddToolTip(writer, pageIndex);
AddHyperlinkTarget(writer);
}
writer.RenderBeginTag(HtmlTextWriterTag.A); //<a>
if (/*PagingButtonType == PagingButtonType.Image && */ MoreButtonType == PagingButtonType.Image)
{
writer.AddAttribute(HtmlTextWriterAttribute.Src,
String.Concat(ImagePath, "more", ButtonImageNameExtension, ButtonImageExtension));
writer.AddAttribute(HtmlTextWriterAttribute.Border, "0");
if (ButtonImageAlign != ImageAlign.NotSet)
{
writer.AddAttribute(HtmlTextWriterAttribute.Align, ButtonImageAlign.ToString());
}
writer.RenderBeginTag(HtmlTextWriterTag.Img); //<img>
writer.RenderEndTag(); //</img>
}
else
{
writer.Write("...");
}
writer.RenderEndTag(); //</a>
if (PagingButtonLayoutType != PagingButtonLayoutType.None)
{
writer.RenderEndTag(); //</li> or </span>
}
}
/// <summary>
/// Create first, prev, next or last button.
/// </summary>
/// <param name="writer">A <see cref="System.Web.UI.HtmlTextWriter"/> that represents the output stream to render HTML content on the client.</param>
/// <param name="btn">the navigation button</param>
private void CreateNavigationButton(HtmlTextWriter writer, NavigationButton btn)
{
if (!ShowFirstLast && (btn == NavigationButton.First || btn == NavigationButton.Last))
{
return;
}
if (!ShowPrevNext && (btn == NavigationButton.Prev || btn == NavigationButton.Next))
{
return;
}
if (PagingButtonLayoutType != PagingButtonLayoutType.None) //add css class and style attribute to pager item directly
{
if (btn == NavigationButton.First || btn == NavigationButton.Last) //first page or last page button
{
AddClassAndStyle(FirstLastButtonsClass, FirstLastButtonsStyle, writer);
}
else
{
AddClassAndStyle(PrevNextButtonsClass, PrevNextButtonsStyle, writer);//next page or prevous page button
}
}
string linktext;
bool disabled;
int pageIndex;
string btnname = btn.ToString().ToLower();
bool isImgBtn = (//PagingButtonType == PagingButtonType.Image &&
NavigationButtonType == PagingButtonType.Image);
if (btn == NavigationButton.First || btn == NavigationButton.Prev)
{
disabled = (CurrentPageIndex <= 1) | !Enabled;
if (!ShowDisabledButtons && disabled)
{
return;
}
AddPagingButtonLayoutTag(writer); //<li> or <span>
pageIndex = (btn == NavigationButton.First) ? 1 : (CurrentPageIndex - 1);
writeSpacingStyle(writer);
if (PagingButtonLayoutType == PagingButtonLayoutType.None) //add css class and style attribute to pager item directly
{
if (btn == NavigationButton.First || btn == NavigationButton.Last) //first page or last page button
{
AddClassAndStyle(FirstLastButtonsClass, FirstLastButtonsStyle, writer);
}
else
{
AddClassAndStyle(PrevNextButtonsClass, PrevNextButtonsStyle, writer);//next page or prevous page button
}
}
if (isImgBtn)
{
if (!disabled)
{
writer.AddAttribute("href", GetHrefString(pageIndex), false);
AddToolTip(writer, pageIndex);
AddHyperlinkTarget(writer);
writer.RenderBeginTag(HtmlTextWriterTag.A);
writer.AddAttribute(HtmlTextWriterAttribute.Src,
String.Concat(ImagePath, btnname, ButtonImageNameExtension,
ButtonImageExtension));
writer.AddAttribute(HtmlTextWriterAttribute.Border, "0");
if (ButtonImageAlign != ImageAlign.NotSet)
{
writer.AddAttribute(HtmlTextWriterAttribute.Align, ButtonImageAlign.ToString());
}
writer.RenderBeginTag(HtmlTextWriterTag.Img);
writer.RenderEndTag();
writer.RenderEndTag();
}
else
{
writer.AddAttribute(HtmlTextWriterAttribute.Src,
String.Concat(ImagePath, btnname, DisabledButtonImageNameExtension,
ButtonImageExtension));
writer.AddAttribute(HtmlTextWriterAttribute.Border, "0");
if (ButtonImageAlign != ImageAlign.NotSet)
{
writer.AddAttribute(HtmlTextWriterAttribute.Align, ButtonImageAlign.ToString());
}
writer.RenderBeginTag(HtmlTextWriterTag.Img);
writer.RenderEndTag();
}
}
else
{
linktext = (btn == NavigationButton.Prev) ? PrevPageText : FirstPageText;
if (disabled)
{
writer.AddAttribute(HtmlTextWriterAttribute.Disabled, "disabled");
}
else
{
//WriteCssClass(writer);
AddToolTip(writer, pageIndex);
AddHyperlinkTarget(writer);
writer.AddAttribute("href", GetHrefString(pageIndex), false);
}
writer.RenderBeginTag(HtmlTextWriterTag.A);
writer.Write(linktext);
writer.RenderEndTag();
}
}
else
{
disabled = (CurrentPageIndex >= PageCount) | !Enabled;
if (!ShowDisabledButtons && disabled)
{
return;
}
AddPagingButtonLayoutTag(writer); //<li> or <span>
pageIndex = (btn == NavigationButton.Last) ? PageCount : (CurrentPageIndex + 1);
writeSpacingStyle(writer);
if (PagingButtonLayoutType == PagingButtonLayoutType.None) //add css class and style attribute to pager item directly
{
if (btn == NavigationButton.First || btn == NavigationButton.Last) //first page or last page button
{
AddClassAndStyle(FirstLastButtonsClass, FirstLastButtonsStyle, writer);
}
else
{
AddClassAndStyle(PrevNextButtonsClass, PrevNextButtonsStyle, writer);//next page or prevous page button
}
}
if (isImgBtn)
{
if (!disabled)
{
writer.AddAttribute("href", GetHrefString(pageIndex), false);
AddToolTip(writer, pageIndex);
AddHyperlinkTarget(writer);
writer.RenderBeginTag(HtmlTextWriterTag.A);
writer.AddAttribute(HtmlTextWriterAttribute.Src,
String.Concat(ImagePath, btnname, ButtonImageNameExtension,
ButtonImageExtension));
writer.AddAttribute(HtmlTextWriterAttribute.Border, "0");
if (ButtonImageAlign != ImageAlign.NotSet)
{
writer.AddAttribute(HtmlTextWriterAttribute.Align, ButtonImageAlign.ToString());
}
writer.RenderBeginTag(HtmlTextWriterTag.Img);
writer.RenderEndTag();
writer.RenderEndTag();
}
else
{
writer.AddAttribute(HtmlTextWriterAttribute.Src,
String.Concat(ImagePath, btnname, DisabledButtonImageNameExtension,
ButtonImageExtension));
writer.AddAttribute(HtmlTextWriterAttribute.Border, "0");
if (ButtonImageAlign != ImageAlign.NotSet)
{
writer.AddAttribute(HtmlTextWriterAttribute.Align, ButtonImageAlign.ToString());
}
writer.RenderBeginTag(HtmlTextWriterTag.Img);
writer.RenderEndTag();
}
}
else
{
linktext = (btn == NavigationButton.Next) ? NextPageText : LastPageText;
if (disabled)
{
writer.AddAttribute(HtmlTextWriterAttribute.Disabled, "disabled");
}
else
{
//WriteCssClass(writer);
AddToolTip(writer, pageIndex);
writer.AddAttribute("href", GetHrefString(pageIndex), false);
AddHyperlinkTarget(writer);
}
writer.RenderBeginTag(HtmlTextWriterTag.A);
writer.Write(linktext);
writer.RenderEndTag();
}
}
if (PagingButtonLayoutType != PagingButtonLayoutType.None)
{
writer.RenderEndTag(); //</li> or </span>
}
}
