public static HtmlString ResourceViewer(UrlHelper url, Resource resource, int width, int height, string resourceHandler, bool constrain, bool crop, bool preview)
{
if (resource != null)
{
if (IsExternalResource(resource))
{
return ExternalResourceViewer(url, resource, width, height);
}
else
{
switch (resource.MimeType)
{
case "application/x-shockwave-flash":
return FlashResourceViewer(url, width, height, resource, resourceHandler, preview);
case "video/flv":
case "video/x-flv":
return VideoResourceViewer(url, width, height, resource, resourceHandler, preview);
case "audio/basic":
case "audio/mpeg":
case "audio/mp3":
case "audio/ogg":
case "audio/x-wav":
return AudioResourcePlayer(url, width, height, resource, resourceHandler, preview);
case "audio/x-ms-wma":
case "audio/x-ms-wmv":
return MicrosoftAudioResourcePlayer(url, width, height, resource, resourceHandler, preview);
case "image/x-png":
case "image/png":
case "image/jpeg":
case "image/jpg":
case "image/pjpeg":
case "image/gif":
case "image/bmp":
string imageUrl = GetResourceUrl(resource, resourceHandler);
string constrainParam = constrain ? "&Constrain=true" : "";
string cropParam = crop ? "&Crop=true" : "";
imageUrl = String.Format("{0}&Width={1}&Height={2}{3}{4}", imageUrl, width, height, constrainParam, cropParam);
return new HtmlString(String.Format("<img src=\"{0}\" {1} {2} class=\"{3}\" alt=\"{4}\" title=\"{4}\" />",
imageUrl,
width == -1 || constrain ? "" : string.Format("width=\"{0}\"", width),
height == -1 || constrain ? "" : string.Format("height=\"{0}\"", height),
"Resource ImageViewer",
resource.OriginalFileName));
default:
return new HtmlString(String.Format("<a href=\"{0}\">{1}</a>", GetResourceUrl(resource, resourceHandler), resource.OriginalFileName));
}
}
}
return new HtmlString("");
}
public static HtmlString ResourceViewer(UrlHelper url, Resource resource, int width, int height, bool constrain, bool crop)
{
return ResourceViewer(url, resource, width, height, url.Content("~/ResourceLoader.ashx"), constrain, crop);
}
public static HtmlString ResourceViewer(UrlHelper url, Resource resource, int width, int height)
{
return ResourceViewer(url, resource, width, height, url.Content("~/ResourceLoader.ashx"));
}
public static HtmlString ResourceViewer(UrlHelper url, Resource resource, string resourceHandler)
{
return ResourceViewer(url, resource, -1, -1, resourceHandler);
}
public static HtmlString ResourceViewer(UrlHelper url, Resource resource)
{
return ResourceViewer(url, resource, -1, -1);
}
private static HtmlString VideoResourceViewer(UrlHelper url, int width, int height, Resource resource, string resourceHandler, bool preview)
{
if (preview)
{
return new HtmlString(String.Format("<img src=\"{0}\" width=\"{1}\" height=\"{2}\" alt=\"{3}\" title=\"{3}\"/>",
url.Content("~/Content/images/video.png"), width, height, resource.OriginalFileName));
}
string flvOptions = "{" +
"clip: {" +
"autoPlay: false," +
"autoBuffering: true" +
"}" +
"}";
string format = "<a class=\"{4}\" id=\"player{0}\" style=\"display:block;width:{1}px;height:{2}px\" href=\"{3}\"></a>"+
"<script type=\"text/javascript\">" +
" flowplayer(\"player{0}\", \"{5}\", {6});" +
"</script>";
return new HtmlString(string.Format(format, resource.Id, width, height,
GetResourceUrl(resource, resourceHandler), "Resource FlvViewer",
url.Content("~/Scripts/flowplayer/flowplayer-3.2.8.swf"), flvOptions));
}
private static HtmlString AudioResourcePlayer(UrlHelper url, int width, int height, Resource resource, string resourceHandler, bool preview)
{
if (preview)
{
return new HtmlString(String.Format("<img src=\"{0}\" width=\"{1}\" height=\"{2}\" alt=\"{3}\" title=\"{3}\" class=\"Resource Preview\"/>",
url.Content("~/Content/images/audio.png"), width, height, resource.OriginalFileName));
}
string format = "<div class=\"Resource MusicViewer\">" +
"<object data=\"{0}\" width=\"250\" height=\"65\" name=\"dewplayer\" id=\"dewplayer\" type=\"application/x-shockwave-flash\">" +
"<param name=\"movie\" value=\"{0}\" />" +
"<param name=\"flashvars\" value=\"mp3={1}\" />" +
"<param name=\"wmode\" value=\"transparent\" />" +
"</object>" +
"</div>";
return new HtmlString(string.Format(format, url.Content("~/Content/swf/dewplayer-bubble.swf"), url.Encode(GetResourceUrl(resource, resourceHandler))));
}
private static HtmlString MicrosoftAudioResourcePlayer(UrlHelper url, int width, int height, Resource resource, string resourceHandler, bool preview)
{
if (preview)
{
return new HtmlString(String.Format("<img src=\"{0}\" width=\"{1}\" height=\"{2}\" alt=\"{3}\" title=\"{3}\" class=\"Resource Preview\"/>",
url.Content("~/Content/images/audio.png"), width, height, resource.OriginalFileName));
}
string format = "<div class=\"Resource MusicViewer\">" +
"<object id=\"mediaplayer\" classid=\"clsid:22d6f312-b0f6-11d0-94ab-0080c74c7e95\" codebase=\"http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#version=5,1,52,701\" standby=\"loading microsoft windows media player components...\" type=\"application/x-oleobject\" width=\"320\" height=\"100\">" +
"<param name=\"filename\" value=\"{0}\" />" +
"<param name=\"animationatstart\" value=\"true\" />" +
"<param name=\"transparentatstart\" value=\"true\" />" +
"<param name=\"autostart\" value=\"true\" />" +
"<param name=\"showcontrols\" value=\"true\" />" +
"<param name=\"showStatusBar\" value=\"true\" />" +
"<param name=\"windowlessvideo\" value=\"true\" />" +
"<param name=\"wmode\" value=\"transparent\" />" +
"<embed src=\"{0}\" autostart=\"true\" showcontrols=\"true\" showstatusbar=\"1\" bgcolor=\"white\" width=\"320\" height=\"100\" wmode=\"transparent\" />" +
"</object>" +
"</div>";
return new HtmlString(string.Format(format, url.Encode(GetResourceUrl(resource, resourceHandler))));
}
private static bool IsExternalResource(Resource resource)
{
return externalResourceRegex.IsMatch(resource.OriginalFileName);
}
private static HtmlString MicrosoftAudioResourcePlayer(UrlHelper url, int width, int height, Resource resource, string resourceHandler)
{
return MicrosoftAudioResourcePlayer(url, width, height, resource, resourceHandler, false);
}
private static string GetResourceUrl(Resource resource, string resourceHandler)
{
if (IsExternalResource(resource))
{
return resource.OriginalFileName;
}
else
{
return String.Format("{0}?Id={1}&LastUpdated={2}", resourceHandler, resource.Id, resource.UpdatedTime.Ticks.ToString("x"));
}
}
private static HtmlString FlashResourceViewer(UrlHelper url, int width, int height, Resource resource, string resourceHandler, bool preview)
{
if (preview)
{
return new HtmlString(String.Format("<img src=\"{0}\" width=\"{1}\" height=\"{2}\" alt=\"{3}\" title=\"{3}\"/>",
url.Content("~/Content/images/flash.png"), width, height, resource.OriginalFileName));
}
return new HtmlString(String.Format(
"<div class=\"5\"><object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\"" +
" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0\"" +
" width=\"{1}\" height=\"{2}\" id=\"{3}\">" +
" <param name=\"movie\" value=\"{0}\">" +
" <param name=\"quality\" value=\"high\">" +
" <param name=\"bgcolor\" value=\"{4}\">" +
" <param name=\"wmode\" value=\"transparent\">" +
" <embed src=\"{0}\" quality=\"high\" bgcolor=\"{4}\" width=\"{1}\" height=\"{2}\"" +
"name=\"{3}\" align=\"\" type=\"application/x-shockwave-flash\"" +
"wmode=\"transparent\"" +
"pluginspace=\"http://www.macromedia.com/go/getflashplayer\" />" +
"</object></div>",
GetResourceUrl(resource, resourceHandler),
width, height, "flashResourceView" + resource.Id, "#ffffff",
"Resource FlashViewer"));
}
private static HtmlString ExternalResourceViewer(UrlHelper url, Resource resource, int width, int height)
{
//IExternalResourceRenderer renderer = ExternalResourceRendererRegistry.Lookup(resource.OriginalFileName);
// Don't support external resource
return new HtmlString("");
}
public static HtmlString ResourceViewer(UrlHelper url, Resource resource, int width, int height, string resourceHandler)
{
return ResourceViewer(url, resource, width, height, resourceHandler, false, false);
}
public static string OriginalResourceUrl(UrlHelper url, Resource resource)
{
return GetResourceUrl(resource, url.Content("~/ResourceLoader.ashx"));
}
public static HtmlString ResourceViewer(UrlHelper url, Resource resource, int width, int height, string resourceHandler, bool constrain, bool crop)
{
return ResourceViewer(url, resource, width, height, resourceHandler, constrain, crop, false);
}
private static HtmlString VideoResourceViewer(UrlHelper url, int width, int height, Resource resource, string resourceHandler)
{
return VideoResourceViewer(url, width, height, resource, resourceHandler, false);
}
public virtual void CopyTo(Resource dest)
{
if (dest != null)
{
dest.MimeType = this.MimeType;
dest.OriginalFileName = this.OriginalFileName;
dest.InputStream = new MemoryStream((int)this.InputStream.Length);
long currentPos = this.InputStream.Position;
byte[] buffer = new byte[32768];
while (true)
{
int read = this.InputStream.Read(buffer, 0, buffer.Length);
if (read <= 0)
break;
dest.InputStream.Write(buffer, 0, read);
}
dest.InputStream.Position = 0;
this.InputStream.Position = currentPos;
}
}
private int UpdateResource(Resource current, Resource updated)
{
if (current != null)
{
updated.CopyTo(current);
resourceService.UpdateResource(current);
}
else
{
resourceService.CreateResource(updated);
current = repository.GetById<Resource>(updated.Id);
}
return current.Id;
}