public ArrayList AddGroup(
string strGroup,
int iCount,
bool fRepeat,
string strSort,
bool fDesc,
bool fRecurse,
string strRoot,
string strPre,
string strPost,
int iDepth,
int iCurrentDepth
)
{
ArrayList objDavData;
// Read the group information
objDavData = DavUtil.DAVGetData(m_objWebUtil, strGroup);
int fileCount = 0;
int directoryCount = 0;
for (int i = 0; i < objDavData.Count; i++)
{
DavItem objDavItem = (DavItem)objDavData[i];
if (objDavItem.fIsCollection)
{
directoryCount++;
}
if (objDavItem.strContentType == "image/jpeg")
{
fileCount++;
}
}
// Get a working list for the result
ArrayList objWorkingList = new ArrayList();
// Process the files in this directory if there are no subdirectorys, or
// the root files are request
if (fileCount > 0 && (strRoot == "heavy" || strRoot == "even" || directoryCount == 0))
{
for (int i = 0; i < objDavData.Count; i++)
{
DavItem objDavItem = (DavItem)objDavData[i];
if (objDavItem.strContentType == "image/jpeg")
{
ImageFile objImageFile = new ImageFile();
objImageFile.strName = objDavItem.strName;
objImageFile.strPre = strPre;
objImageFile.strPost = strPost;
objImageFile.lSize = objDavItem.iContentLength;
objImageFile.dtCreated = objDavItem.dtCreated;
objImageFile.dtModified = objDavItem.dtModified;
objWorkingList.Add(objImageFile);
}
}
// Evenly weighted files in a directory are filtered down to the same level
// as those in subdirectories before being included
if (strRoot == "even")
{
SortImageList(objWorkingList, strSort);
objWorkingList = SelectFromList(objWorkingList, iCount, fRepeat, strSort, fDesc);
}
}
// Get all the subdirectories that match the mask
if (fRecurse && directoryCount > 0)
{
for (int i = 0; i < objDavData.Count; i++)
{
DavItem objDavItem = (DavItem)objDavData[i];
if (objDavItem.fIsCollection)
{
ArrayList objGroupFiles = AddGroup(objDavItem.strName, iCount, fRepeat, strSort, fDesc, fRecurse, strRoot, strPre, strPost, iDepth, iCurrentDepth + 1);
for (int j = 0; j < objGroupFiles.Count; j++)
{
objWorkingList.Add(objGroupFiles[j]);
}
}
}
}
// Normalize and sort only those that are deeper than the requested depth
if (iCurrentDepth >= iDepth)
{
SortImageList(objWorkingList, strSort);
return(SelectFromList(objWorkingList, iCount, fRepeat, strSort, fDesc));
}
else
{
return(objWorkingList);
}
}
private ArrayList ProcessNodes(
XmlTextReader xml,
int iCount,
bool fRepeat,
string strSort,
bool fDesc,
string strPre,
string strPost)
{
ArrayList objWorkingList = new ArrayList();
while (xml.NodeType != XmlNodeType.EndElement)
{
if (xml.NodeType != XmlNodeType.Element)
{
throw new Exception("Malformed photolist");
}
if (xml.Name == "imagefile")
{
ImageFile objImageFile;
string strName;
//Datetime dtModified;
//Datetime dtCreated;
// Read in any pre or post transition attribute
string strImageFilePre = GetDefaultAttribute(xml.GetAttribute("pre"), strPre);
string strImageFilePost = GetDefaultAttribute(xml.GetAttribute("post"), strPost);
// Advance the parser to read the name
xml.Read();
strName = xml.Value;
// Read in some file information
// Create the object for the image file
objImageFile = new ImageFile();
objImageFile.strName = strName;
//objImageFile.dtCreated = File.GetCreationTime(strName);
//objImageFile.dtModified = File.GetLastWriteTime(strName);
//objImageFile.lSize = (new FileInfo(strName)).Length;
objImageFile.strPre = strImageFilePre;
objImageFile.strPost = strImageFilePost;
// Add to the list
objWorkingList.Add(objImageFile);
// Advance the parser to read the end element
xml.Read();
}
else if (xml.Name == "photolist" || xml.Name == "photolistfile")
{
// Get the count, sorting attributes
string strPLPre = GetDefaultAttribute(xml.GetAttribute("pre"), strPre);
string strPLPost = GetDefaultAttribute(xml.GetAttribute("post"), strPost);
int iPLCount = GetCount(xml.GetAttribute("count"));
string strPLSort = xml.GetAttribute("sort");
bool fPLDesc = (xml.GetAttribute("desc") == "1");
bool fPLRepeat = (xml.GetAttribute("repeat") == "1");
// Get the xml for the embedded data
XmlTextReader objXmlEmbedded;
if (xml.Name == "photolist")
{
objXmlEmbedded = xml;
}
else
{
// Advance to the file name
xml.Read();
// Read in the items
objXmlEmbedded = new XmlTextReader(xml.Value);
objXmlEmbedded.WhitespaceHandling = WhitespaceHandling.None;
// Read the first node and verify that it is a photolist
if (!(objXmlEmbedded.Read() && objXmlEmbedded.NodeType == XmlNodeType.Element && objXmlEmbedded.Name == "photolist"))
{
throw new Exception("Invalid photolist");
}
// Advance the parser to point at the end element
xml.Read();
}
// Read to the first element in the list
objXmlEmbedded.Read();
// Get the items in the embedded photo list
ArrayList objPhotoListItems = ProcessNodes(objXmlEmbedded, iPLCount, fPLRepeat, strPLSort, fPLDesc, strPLPre, strPLPost);
// Add them (in order) to the working list
for (int i = 0; i < objPhotoListItems.Count; i++)
{
objWorkingList.Add(objPhotoListItems[i]);
}
}
else if (xml.Name == "directory")
{
string strDirPre = GetDefaultAttribute(xml.GetAttribute("pre"), strPre);
string strDirPost = GetDefaultAttribute(xml.GetAttribute("pre"), strPost);
string strDirDirMask = GetDefaultAttribute(xml.GetAttribute("dirmask"), "*");
string strDirFileMask = GetDefaultAttribute(xml.GetAttribute("filemask"), "*.jpg");
bool fDirRecurse = (xml.GetAttribute("recurse") == "1");
int iDirCount = GetCount(xml.GetAttribute("count"));
bool fDirRepeat = (xml.GetAttribute("repeat") == "1");
string strDirSort = GetDefaultAttribute(xml.GetAttribute("sort"), "listed");
bool fDirDesc = (xml.GetAttribute("desc") == "1");
string strDirRoot = GetDefaultAttribute(xml.GetAttribute("root"), "even");
int iDirDepth = GetDepth(xml.GetAttribute("depth"));
// Read to the directory name
xml.Read();
string strDirectory = xml.Value;
// Create a list for the items
ArrayList objDirImageList = AddDirectory(strDirectory, iDirCount, fDirRepeat, strDirSort, fDirDesc, fDirRecurse, strDirRoot, strDirPre, strDirPost, strDirDirMask, strDirFileMask, iDirDepth, 0);
// Add them (in order) to the working list
for (int i = 0; i < objDirImageList.Count; i++)
{
objWorkingList.Add(objDirImageList[i]);
}
// Advance to the close tag
xml.Read();
}
else if (xml.Name == "group")
{
string strGroupPre = GetDefaultAttribute(xml.GetAttribute("pre"), strPre);
string strGroupPost = GetDefaultAttribute(xml.GetAttribute("pre"), strPost);
bool fGroupRecurse = (xml.GetAttribute("recurse") == "1");
int iGroupCount = GetCount(xml.GetAttribute("count"));
bool fGroupRepeat = (xml.GetAttribute("repeat") == "1");
string strGroupSort = GetDefaultAttribute(xml.GetAttribute("sort"), "listed");
bool fGroupDesc = (xml.GetAttribute("desc") == "1");
string strGroupRoot = GetDefaultAttribute(xml.GetAttribute("root"), "even");
int iGroupDepth = GetDepth(xml.GetAttribute("depth"));
// Read to the group name
xml.Read();
string strGroup = xml.Value;
// Create a list for the items
ArrayList objDirImageList = AddGroup(strGroup, iGroupCount, fGroupRepeat, strGroupSort, fGroupDesc, fGroupRecurse, strGroupRoot, strGroupPre, strGroupPost, iGroupDepth, 0);
// Add them (in order) to the working list
for (int i = 0; i < objDirImageList.Count; i++)
{
objWorkingList.Add(objDirImageList[i]);
}
// Advance to the close tag
xml.Read();
}
else
{
throw new Exception("Unknown command: " + xml.Name);
}
// Advance the parser to the next element
xml.Read();
}
// Sort the list
SortImageList(objWorkingList, strSort);
// Select from the list
return(SelectFromList(objWorkingList, iCount, fRepeat, strSort, fDesc));
}
public ArrayList AddDirectory(
string strDirectory,
int iCount,
bool fRepeat,
string strSort,
bool fDesc,
bool fRecurse,
string strRoot,
string strPre,
string strPost,
string strDirMask,
string strFileMask,
int iDepth,
int iCurrentDepth
)
{
// Get the directory information
DirectoryInfo di = new DirectoryInfo(strDirectory);
// Read all the directories that match the mask
DirectoryInfo[] dis = di.GetDirectories(strDirMask);
// Get a working list for the result
ArrayList objWorkingList = new ArrayList();
// Process the files in this directory if there are no subdirectorys, or
// the root files are request
// Get the image files in the root (this directory) that match the mask
if (strRoot == "heavy" || strRoot == "even" || dis.Length == 0)
{
// Get all the files
FileInfo[] fis = di.GetFiles(strFileMask);
for (int i = 0; i < fis.Length; i++)
{
ImageFile objImageFile = new ImageFile();
objImageFile.strName = strDirectory + fis[i].Name;
objImageFile.strPre = strPre;
objImageFile.strPost = strPost;
objImageFile.lSize = fis[i].Length;
objWorkingList.Add(objImageFile);
}
// Evenly weighted files in a directory are filtered down to the same level
// as those in subdirectories before being included
if (strRoot == "even")
{
SortImageList(objWorkingList, strSort);
objWorkingList = SelectFromList(objWorkingList, iCount, fRepeat, strSort, fDesc);
}
}
// Get all the subdirectories that match the mask
if (fRecurse)
{
for (int i = 0; i < dis.Length; i++)
{
ArrayList objDirectoryFiles = AddDirectory(strDirectory + dis[i].Name + "\\", iCount, fRepeat, strSort, fDesc, fRecurse, strRoot, strPre, strPost, strDirMask, strFileMask, iDepth, iCurrentDepth + 1);
for (int j = 0; j < objDirectoryFiles.Count; j++)
{
objWorkingList.Add(objDirectoryFiles[j]);
}
}
}
// Normalize and sort only those that are deeper than the requested depth
if (iCurrentDepth >= iDepth)
{
SortImageList(objWorkingList, strSort);
return(SelectFromList(objWorkingList, iCount, fRepeat, strSort, fDesc));
}
else
{
return(objWorkingList);
}
}