public MediaItem(MediaItem source)
: base(source)
{
_itemId = source._itemId;
_itemPath = source._itemPath;
_altText = source._altText;
_itemType = source._itemType;
_itemUnit = source._itemUnit;
_itemWidth = source._itemWidth;
_itemHeight = source._itemHeight;
_useMap = source._useMap;
_imageMap = source._imageMap;
_resolveLinks = source._resolveLinks;
}
/// <summary>
/// This reads and sets its state or attributes stored in a <c>XML</c> format
/// with the given reader.
/// </summary>
/// <param name="reader">
/// The reader with which the <c>XML</c> attributes of this object are accessed.
/// </param>
/// <exception cref="ArgumentNullException">
/// If the <paramref name="reader"/> is <see langword="null"/>.
/// </exception>
public override void ReadXml(XmlReader reader)
{
BuildExceptions.NotNull(reader, "reader");
Debug.Assert(reader.NodeType == XmlNodeType.Element);
if (reader.NodeType != XmlNodeType.Element)
{
return;
}
if (!String.Equals(reader.Name, TagName,
StringComparison.OrdinalIgnoreCase))
{
return;
}
_itemId = reader.GetAttribute("id");
string nodeText = reader.GetAttribute("type");
if (!String.IsNullOrEmpty(nodeText))
{
_itemType = MediaItemType.None;
switch (nodeText.ToLower())
{
case "image":
_itemType = MediaItemType.Image;
break;
case "video":
_itemType = MediaItemType.Video;
break;
case "flash":
_itemType = MediaItemType.Flash;
break;
case "silverlight":
_itemType = MediaItemType.Silverlight;
break;
case "youtube":
_itemType = MediaItemType.YouTube;
break;
case "pdf":
_itemType = MediaItemType.Pdf;
break;
case "xps":
_itemType = MediaItemType.Xps;
break;
}
}
nodeText = reader.GetAttribute("width");
if (!String.IsNullOrEmpty(nodeText))
{
_itemWidth = Convert.ToInt32(nodeText);
}
nodeText = reader.GetAttribute("height");
if (!String.IsNullOrEmpty(nodeText))
{
_itemHeight = Convert.ToInt32(nodeText);
}
nodeText = reader.GetAttribute("unit");
if (!String.IsNullOrEmpty(nodeText))
{
_itemUnit = MediaSizeUnit.None;
switch (nodeText.ToLower())
{
case "pixel":
_itemUnit = MediaSizeUnit.Pixel;
break;
case "point":
_itemUnit = MediaSizeUnit.Point;
break;
case "percent":
_itemUnit = MediaSizeUnit.Percent;
break;
case "em":
_itemUnit = MediaSizeUnit.Em;
break;
case "pica":
_itemUnit = MediaSizeUnit.Pica;
break;
case "ex":
_itemUnit = MediaSizeUnit.Ex;
break;
}
}
if (reader.IsEmptyElement)
{
return;
}
XmlNodeType nodeType = XmlNodeType.None;
while (reader.Read())
{
nodeText = reader.Name;
nodeType = reader.NodeType;
if (nodeType == XmlNodeType.Element)
{
if (String.Equals(reader.Name, "image",
StringComparison.OrdinalIgnoreCase))
{
if (_itemType == MediaItemType.YouTube)
{
_itemName = reader.GetAttribute("file");
}
else
{
_itemPath = new BuildFilePath(reader.GetAttribute("file"));
}
_useMap = reader.GetAttribute("usemap");
nodeText = reader.GetAttribute("resolveMapLinks");
if (!String.IsNullOrEmpty(nodeText))
{
_resolveLinks = Convert.ToBoolean(nodeText);
}
}
else if (String.Equals(reader.Name, "altText",
StringComparison.OrdinalIgnoreCase))
{
_altText = reader.ReadString();
}
else if (String.Equals(reader.Name, "map",
StringComparison.OrdinalIgnoreCase))
{
_imageMap = new MediaImageMap();
_imageMap.ReadXml(reader);
}
}
else if (nodeType == XmlNodeType.EndElement)
{
if (String.Equals(reader.Name, "item",
StringComparison.OrdinalIgnoreCase))
{
break;
}
}
}
}