/// <summary>
/// Loads preview according item type.
/// </summary>
/// <param name="fileName">Name of the file to load preview for</param>
private void LoadPreview(string fileName)
{
// Load preview
string url = "";
if (GetItemUrl != null)
{
url = GetItemUrl(fileName);
}
string ext = Path.GetExtension(fileName);
if (ImageHelper.IsImage(ext))
{
hdnPreviewType.Value = "image";
// Get image physical path
string filePath = (string.IsNullOrEmpty(FolderPath)) ? fileName : DirectoryHelper.CombinePath(FolderPath, fileName);
filePath = MediaFileInfoProvider.GetMediaFilePath(SiteName, LibraryInfo.LibraryFolder, filePath);
if (File.Exists(filePath))
{
// Load image info
ImageHelper ih = new ImageHelper();
ih.LoadImage(File.ReadAllBytes(filePath));
// Get new dimensions
int origWidth = ValidationHelper.GetInteger(ih.ImageWidth, 0);
int origHeight = ValidationHelper.GetInteger(ih.ImageHeight, 0);
int[] newDimensions = ImageHelper.EnsureImageDimensions(0, 0, 300, origWidth, origHeight);
// Image preview
imagePreview.URL = url;
imagePreview.SizeToURL = false;
imagePreview.Width = newDimensions[0];
imagePreview.Height = newDimensions[1];
imagePreview.Alt = fileName;
imagePreview.Tooltip = fileName;
// Open link
lnkOpenImage.Target = "_blank";
lnkOpenImage.Text = GetString("media.file.openimg");
lnkOpenImage.ToolTip = GetString("media.file.openimg");
lnkOpenImage.NavigateUrl = url;
}
}
else if (MediaHelper.IsAudioVideo(ext) || MediaHelper.IsFlash(ext))
{
hdnPreviewType.Value = "media";
// Media preview
mediaPreview.Height = 200;
mediaPreview.Width = 300;
mediaPreview.AVControls = true;
mediaPreview.Loop = true;
mediaPreview.Url = url;
mediaPreview.Type = ext;
// Open link
lnkOpenMedia.Target = "_blank";
lnkOpenMedia.Text = GetString("media.file.openimg");
lnkOpenMedia.ToolTip = GetString("media.file.openimg");
lnkOpenMedia.NavigateUrl = url;
}
else
{
hdnPreviewType.Value = "other";
// Open link
lnkOpenOther.Target = "_blank";
lnkOpenOther.Text = GetString("general.open");
lnkOpenOther.ToolTip = GetString("general.open");
lnkOpenOther.NavigateUrl = url;
}
}
/// <summary>
/// Setup general values.
/// </summary>
private void SetupFile()
{
// Get file and library info
if ((FileInfo != null) && (LibraryInfo != null))
{
formMediaFileCustomFields.IsLiveSite = IsLiveSite;
if (MediaLibraryHelper.IsExternalLibrary(SiteContext.CurrentSiteName, LibraryInfo.LibraryFolder))
{
plcDirPath.Visible = false;
}
else
{
string url = MediaFileInfoProvider.GetMediaFileUrl(LibrarySiteInfo.SiteName, LibraryInfo.LibraryFolder, FileInfo.FilePath);
ltrDirPathValue.Text = GetFileLinkHtml(ResolveUrl(url));
}
ltrPermaLinkValue.Text = GetFileLinkHtml(ResolveUrl(MediaFileInfoProvider.GetMediaFileUrl(FileInfo.FileGUID, FileInfo.FileName)));
if (ImageHelper.IsImage(FileInfo.FileExtension))
{
// Ensure max side size 200
int[] maxsize = ImageHelper.EnsureImageDimensions(0, 0, 200, FileInfo.FileImageWidth, FileInfo.FileImageHeight);
imagePreview.Width = maxsize[0];
imagePreview.Height = maxsize[1];
// If is Image show image properties
imagePreview.URL = URLHelper.AddParameterToUrl(MediaFileInfoProvider.GetMediaFileUrl(FileInfo.FileGUID, SiteContext.CurrentSiteName), "maxsidesize", "200");
imagePreview.URL = URLHelper.AddParameterToUrl(imagePreview.URL, "chset", Guid.NewGuid().ToString());
plcImagePreview.Visible = true;
plcMediaPreview.Visible = false;
pnlPrew.Visible = true;
}
else if (MediaHelper.IsFlash(FileInfo.FileExtension) || MediaHelper.IsAudio(FileInfo.FileExtension) ||
MediaHelper.IsVideo(FileInfo.FileExtension))
{
mediaPreview.Height = MediaHelper.IsAudio(FileInfo.FileExtension) ? 45 : 180;
mediaPreview.Width = 270;
mediaPreview.AutoPlay = false;
mediaPreview.AVControls = true;
mediaPreview.Loop = false;
mediaPreview.Menu = true;
mediaPreview.Type = FileInfo.FileExtension;
// If is Image show image properties
mediaPreview.Url = MediaFileInfoProvider.GetMediaFileUrl(FileInfo.FileGUID, FileInfo.FileName);
plcMediaPreview.Visible = true;
plcImagePreview.Visible = false;
pnlPrew.Visible = true;
}
else
{
pnlPrew.Visible = false;
}
}
else
{
pnlPrew.Visible = false;
}
}
/// <summary>
/// Initializes all the nested controls.
/// </summary>
private void SetupControls()
{
MediaFileInfo mFile = MediaFileInfoProvider.GetMediaFileInfo(FileGuid, SiteName);
if (mFile != null)
{
SiteInfo si = SiteInfoProvider.GetSiteInfo(mFile.FileSiteID);
if (si != null)
{
MediaLibraryInfo mLibrary = MediaLibraryInfoProvider.GetMediaLibraryInfo(mFile.FileLibraryID);
string extension = mFile.FileExtension.ToLowerCSafe().TrimStart('.');
string path = MediaFileInfoProvider.GetMediaFilePath(SiteName, mLibrary.LibraryFolder, mFile.FilePath);
string url = MediaFileInfoProvider.GetMediaFileAbsoluteUrl(SiteName, mFile.FileGUID, mFile.FileName);
if (ImageHelper.IsImage(extension) && File.Exists(path))
{
// Get image dimension
// New dimensions
int[] newDims = ImageHelper.EnsureImageDimensions(Width, Height, MaxSideSize, mFile.FileImageWidth, mFile.FileImageHeight);
// If new dimensions are diferent use them
if (((newDims[0] != mFile.FileImageWidth) || (newDims[1] != mFile.FileImageHeight)) && (newDims[0] > 0) && (newDims[1] > 0))
{
string dimensions = "?width=" + newDims[0] + "&height=" + newDims[1];
ltlOutput.Text = "<img alt=\"" + mFile.FileName + "\" src=\"" + url + dimensions + "\" width=\"" + newDims[0] + "\" height=\"" + newDims[1] + "\" border=\"0\" />";
}
else
{
ltlOutput.Text = "<img alt=\"" + mFile.FileName + "\" src=\"" + url + "\" width=\"" + Width + "\" height=\"" + Height + "\" border=\"0\" />";
}
}
else
{
// Set default dimensions of rendered object if required
int width = (Width > 0) ? Width : DEFAULT_WIDTH;
int height = (Height > 0) ? Height : DEFAULT_HEIGHT;
if (MediaHelper.IsFlash(extension))
{
// Initialize flash parameters
FlashParameters flashParams = new FlashParameters();
flashParams.Height = height;
flashParams.Width = width;
flashParams.Url = url;
ltlOutput.Text = MediaHelper.GetFlash(flashParams);
}
else
{
if (MediaHelper.IsAudio(extension))
{
// Initialize audio/video parameters
AudioVideoParameters audioParams = new AudioVideoParameters();
audioParams.SiteName = SiteContext.CurrentSiteName;
audioParams.Url = url;
audioParams.Width = width;
audioParams.Height = height;
audioParams.Extension = extension;
ltlOutput.Text = MediaHelper.GetAudioVideo(audioParams);
}
else if (MediaHelper.IsVideo(extension))
{
// Initialize audio/video parameters
AudioVideoParameters videoParams = new AudioVideoParameters();
videoParams.SiteName = SiteContext.CurrentSiteName;
videoParams.Url = url;
videoParams.Width = width;
videoParams.Height = height;
videoParams.Extension = extension;
ltlOutput.Text = MediaHelper.GetAudioVideo(videoParams);
}
}
}
}
}
}
/// <summary>
/// Initializes the control properties.
/// </summary>
public void ReloadData(bool forceReload)
{
if (!binded || forceReload)
{
if (mData != null)
{
MediaFileInfo mfi = new MediaFileInfo(mData);
bool completeUrl = false;
// Get the site
SiteInfo si;
SiteInfo currentSite = SiteContext.CurrentSite;
if (mfi.FileSiteID == currentSite.SiteID)
{
si = currentSite;
}
else
{
si = SiteInfoProvider.GetSiteInfo(mfi.FileSiteID);
}
if (si != null)
{
// Complete URL only for other site than current
if (si.SiteID != currentSite.SiteID)
{
completeUrl = true;
}
string url = "";
if (UseSecureLinks)
{
if (completeUrl)
{
url = MediaFileInfoProvider.GetMediaFileAbsoluteUrl(si.SiteName, mfi.FileGUID, mfi.FileName);
}
else
{
url = MediaFileInfoProvider.GetMediaFileUrl(mfi.FileGUID, mfi.FileName);
}
}
else
{
MediaLibraryInfo li = MediaLibraryInfoProvider.GetMediaLibraryInfo(mfi.FileLibraryID);
if (li != null)
{
if (completeUrl)
{
url = MediaFileInfoProvider.GetMediaFileAbsoluteUrl(si.SiteName, li.LibraryFolder, mfi.FilePath);
}
else
{
url = MediaFileInfoProvider.GetMediaFileUrl(si.SiteName, li.LibraryFolder, mfi.FilePath);
}
}
}
if (DisplayActiveContent)
{
if (ImageHelper.IsImage(mfi.FileExtension) && File.Exists(MediaFileInfoProvider.GetMediaFilePath(mfi.FileLibraryID, mfi.FilePath)))
{
// Get new dimensions
int[] newDims = ImageHelper.EnsureImageDimensions(Width, Height, MaxSideSize, mfi.FileImageWidth, mfi.FileImageHeight);
// If dimensions changed use secure link
if ((newDims[0] != mfi.FileImageWidth) || (newDims[1] != mfi.FileImageHeight))
{
if (completeUrl)
{
url = MediaFileInfoProvider.GetMediaFileAbsoluteUrl(si.SiteName, mfi.FileGUID, mfi.FileName);
}
else
{
url = MediaFileInfoProvider.GetMediaFileUrl(mfi.FileGUID, mfi.FileName);
}
}
else
{
// Use width and height from properties in case dimensions are bigger than original
newDims[0] = Width;
newDims[1] = Height;
}
// Initialize image parameters
ImageParameters imgParams = new ImageParameters();
imgParams.Alt = mfi.FileDescription;
imgParams.Width = newDims[0];
imgParams.Height = newDims[1];
imgParams.Url = url;
ltlOutput.Text = MediaHelper.GetImage(imgParams);
}
else if (MediaHelper.IsFlash(mfi.FileExtension))
{
// Initialize flash parameters
FlashParameters flashParams = new FlashParameters();
flashParams.Url = url;
flashParams.Width = Width;
flashParams.Height = Height;
ltlOutput.Text = MediaHelper.GetFlash(flashParams);
}
else if (MediaHelper.IsAudio(mfi.FileExtension))
{
// Initialize audio/video parameters
AudioVideoParameters audioParams = new AudioVideoParameters();
audioParams.SiteName = SiteContext.CurrentSiteName;
audioParams.Url = url;
audioParams.Width = Width;
audioParams.Height = Height;
audioParams.Extension = mfi.FileExtension;
ltlOutput.Text = MediaHelper.GetAudioVideo(audioParams);
}
else if (MediaHelper.IsVideo(mfi.FileExtension))
{
// Initialize audio/video parameters
AudioVideoParameters videoParams = new AudioVideoParameters();
videoParams.SiteName = SiteContext.CurrentSiteName;
videoParams.Url = url;
videoParams.Width = Width;
videoParams.Height = Height;
videoParams.Extension = mfi.FileExtension;
ltlOutput.Text = MediaHelper.GetAudioVideo(videoParams);
}
else
{
ltlOutput.Text = MediaLibraryHelper.ShowPreviewOrIcon(mfi, Width, Height, MaxSideSize, PreviewSuffix, IconSet, Page);
}
}
else
{
ltlOutput.Text = MediaLibraryHelper.ShowPreviewOrIcon(mfi, Width, Height, MaxSideSize, PreviewSuffix, IconSet, Page);
}
}
}
binded = true;
}
}