public static string GetImageTag(string imagePathOrMediaId, int maxWidth, int maxHeight, bool constrain)
{
if (string.IsNullOrEmpty(imagePathOrMediaId))
{
return(string.Empty);
}
int mediaId = CommonUtil.ConvertToIntSafe(imagePathOrMediaId, -1);
if (mediaId == -1)
{
return(GetImageTag(imagePathOrMediaId, maxWidth, maxHeight));
}
Media media = UmbracoUtil.GetMedia(mediaId);
if (media != null)
{
string file = media.GetPropertyValue("umbracoFile", string.Empty);
if (!string.IsNullOrEmpty(file))
{
string alt = HttpUtility.HtmlEncode(media.Text);
string thumbnailUrl = ImageUtil.ThumbnailUrl(file, maxWidth, maxHeight, constrain);
return(GetImageTag(thumbnailUrl, alt));
}
}
return(string.Empty);
}
public static string MenuTitle(XPathNodeIterator ni)
{
Node node = UmbracoUtil.GetNode(ni);
if (node != null)
{
return(UmbracoUtil.GetMenuTitle(node));
}
return(string.Empty);
}
/// <summary>
/// Gets the media path via a media id
/// </summary>
/// <param name="mediaId">The media id.</param>
/// <returns>The file path to the media</returns>
/// <example>
/// <code lang="xsl" title="">
/// <![CDATA[
/// <xsl:value-of select="upac:GetMediaPath(1101)" />
/// Would give: /media/1101/image.jpg
/// ]]>
/// </code>
/// </example>
public static string GetMediaPath(int mediaId)
{
Media media = UmbracoUtil.GetMedia(mediaId);
if (media != null)
{
return(media.GetPropertyValue("umbracoFile", string.Empty));
}
return(string.Empty);
}
public static string ThumbnailUrl(int mediaId, int width, int height, bool constrain)
{
Media media = UmbracoUtil.GetMedia(mediaId);
if (media != null)
{
string imagePath = media.GetPropertyValue("umbracoFile", string.Empty);
return ThumbnailUrl(imagePath, width, height, constrain);
}
return string.Empty;
}
public static XPathNodeIterator GetDescendantsViaXPath(XPathNodeIterator from, string xpath)
{
Node node = UmbracoUtil.GetNode(from);
if (node != null)
{
XPathNavigator navigator = node.ToXPathNavigator();
return(navigator.Select(xpath));
}
return(CreateEmptyIterator());
}
/// <summary>
/// Get a link tag with overload for the link text and a css class to add to the a tag.
/// </summary>
/// <remarks>
/// Gets a link tag where the href points to the node and you can add a css class
/// </remarks>
/// <param name="nodeId">The node id.</param>
/// <param name="linkText">The link text.</param>
/// <param name="cssClass">Css class</param>
/// <returns>An a tag</returns>
/// <example>
/// <code lang="xsl" title="">
/// <![CDATA[
/// <xsl:value-of select="upac:GetLinkTag(1541, 'Hi World', 'highlight')" />
/// Would give: <a href="/Subjectpage/HelloWorld" class="highlight">Hi World</a>
/// ]]>
/// </code>
/// <code lang="xsl" title="With empty link text">
/// <![CDATA[
/// <xsl:value-of select="upac:GetLinkTag(1541, '', 'highlight')" />
/// Would give: <a href="/Subjectpage/HelloWorld" class="highlight">Hello World</a>
/// ]]>
/// </code>
/// <code lang="xsl" title="With empty link text and css class">
/// <![CDATA[
/// <xsl:value-of select="upac:GetLinkTag(1541, '', '')" />
/// Would give: <a href="/Subjectpage/HelloWorld">Hello World</a>
/// ]]>
/// </code>
/// </example>
public static string GetLinkTag(string nodeId, string linkText, string cssClass)
{
Node node = UmbracoUtil.GetNode(nodeId);
if (node != null)
{
string text = !string.IsNullOrEmpty(linkText) ? linkText : UmbracoUtil.GetMenuTitle(node);
string url = LinkManager.GetNodeUrl(node);
string linkClass = string.IsNullOrEmpty(cssClass) ? string.Empty : string.Format(" class=\"{0}\"", cssClass);
if (text != string.Empty && url != string.Empty)
{
string tag = string.Format("<a href=\"{0}\"{1}>{2}</a>", url, linkClass, text);
return(tag);
}
}
return(string.Empty);
}
