/// <summary>
/// Adapts the html source returned by the XWiki server and makes it usable by Word using a local html file.
/// </summary>
/// <param name="xmlDoc">A reference to the xml dom.</param>
public void Filter(ref XmlDocument xmlDoc)
{
XmlNodeList images = xmlDoc.GetElementsByTagName("img");
foreach (XmlNode node in images)
{
if (node.NodeType == XmlNodeType.Element)
{
XmlAttribute vshapesAttr = node.Attributes["v:shapes"];
if (vshapesAttr != null)
{
node.Attributes.Remove(vshapesAttr);
}
//remove parameters from URLs
String src = node.Attributes["src"].Value.Split('?')[0];
//Creating an additional attribute to help identifing the image in the html.
XmlAttribute attr = xmlDoc.CreateAttribute(ImageInfo.XWORD_IMG_ATTRIBUTE);
//Adding the attribute to the xhtml code.
Guid imgId = Guid.NewGuid();
attr.Value = imgId.ToString();
node.Attributes.Append(attr);
//Adding the image to the current image list.
ImageInfo imgInfo = new ImageInfo();
imgInfo.imgWebSrc = src;
if (node.Attributes["alt"] != null)
{
imgInfo.altText = node.Attributes["alt"].Value;
}
manager.States.Images.Add(imgId, imgInfo);
//Downloading image
if (src == "") continue;
if (src[0] == '/')
{
src = serverURL + src;
}
ParameterizedThreadStart pts = new ParameterizedThreadStart(DownloadImage);
String folder = localFolder + "\\" + localFilename + manager.AddinSettings.MetaDataFolderSuffix;
Object param = new ImageDownloadInfo(src, folder, imgInfo);
pts.Invoke(param);
src = folder + "\\" + Path.GetFileName(src);
src = "file:///" + src.Replace("\\", "/");
node.Attributes["src"].Value = src;
}
}
}
/// <summary>
/// Creates a new instance for the ImageInfo class.
/// </summary>
/// <param name="URI">The URI of the image.</param>
/// <param name="downloadFolder">The folder where the image will be downloaded.</param>
/// <param name="imageInfo">The states of the image on the server and on the local file system.</param>
public ImageDownloadInfo(String URI, String downloadFolder, ImageInfo imageInfo)
{
this._URI = URI;
this.downloadFolder = downloadFolder;
this.ImageInfo = imageInfo;
}