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Configuring Files to be Uploaded

After specifying common upload settings, it is required to set at least one ConverterConverter (ASP.NET)Converter (PHP)converter (JavaScript). Each Converter configures one converted file (original file, thumbnail created from original image file, icon associated with original file, or original file compressed into ZIP archive) which will be uploaded for each of user-selected files.

For example, you configure Image Uploader Flash to send an original file and a downsized copy of image (if the original file is an image) or an icon associated with the original file. It means that if a user selects two files (a JPEG image and a PDF document) Image Uploader Flash will send four files:

  • the JPEG image and the PDF file themselves
  • a resized copy of the image and a PDF icon

The following samples demonstrate this configuration.

JavaScript
var fu = $au.imageUploaderFlash({
	id: 'Uploader1',
	converters: [
	{mode: '*.*=SourceFile'},
	{mode: '*.*=Thumbnail;*.*=Icon', thumbnailFitMode: 'Fit', thumbnailWidth: '120', thumbnailHeight: '120'}
	]
});
ASP.NET
<aur:ImageUploaderFlash ID="Uploader1" runat="server">
    <Converters>
	    <aur:Converter Mode="*.*=SourceFile" />
	    <aur:Converter Mode="*.*=Thumbnail;*.*=Icon" 
			ThumbnailHeight="120" 
			ThumbnailWidth="120" 
			ThumbnailFitMode="Fit" />
	</Converters>
</aur:ImageUploaderFlash>
PHP
$uploader = new ImageUploaderFlash("Uploader1");
		
$converters = &$uploader->getConverters();
$converter = new Converter();
$converter->setMode("*.*=SourceFile");
$converters[] = $converter;
$converter = new Converter();
$converter->setMode("*.*=Thumbnail;*.*=Icon");
$converter->setThumbnailWidth(120);
$converter->setThumbnailHeight(120);
$converter->setThumbnailFitMode("fit");
$converters[] = $converter;

The way you retrieve and save converted files on the server side depends on the platform you use. Find the detailed instructions in the Saving Uploaded Files in ASP.NET and Saving Uploaded Files in PHP topics.

Consider the Converter properties in detail below.

Configuring Conversion Mode

The ModeMode (ASP.NET)Mode (PHP)mode (JavaScript) is the most prominent property of the Converter class. It specifies what will be uploaded for each file selected for upload (i.e. the original file, a downsized copy of the image, an icon, or a ZIP archive). One Converter instance can specify different types of converted files for various types of files selected for upload client-side. For example, you can configure the Converter to send downsized copies of images for JPEG images and original files for files of other types. It can be done using the aforementioned Mode property.

The Mode property accepts a format string consisting of masks=mode pairs separated by a semicolon. Each pair includes a set of file masks separated by commas and a corresponding mode. In general, this string has the following syntax:

mask11,mask12,...=mode1;mask21,mask22,...=mode2;...

Here is the list of supported modes:

  • SourceFile means that the selected file will be uploaded from a user's computer without any changes.
  • Thumbnail works as follows: if the selected file is an image, it will be resized using the parameters listed below and uploaded as a JPEG file. Otherwise, a converted file will not be sent.
  • Icon means that the system icon associated with the selected file will be uploaded.
  • Zip means that the selected file will be packed into a ZIP archive and then uploaded.
  • None means that no file will be uploaded.

When Image Uploader Flash prepares the upload request, it extracts masks=mode pairs. It checks whether the name of the current file fits the file mask specified in the pair. If it fits the current pair, Image Uploader Flash sends an item specified in the pair to a server. Otherwise, if no appropriate file mask is found or Image Uploader Flash is unable to create a downsized copy of the image (if mode is specified as Thumbnail and the current file is not an image), Image Uploader Flash checks the next pair in the same way.

Note

If there is no file mask corresponding to the original file extension or no appropriate mode, then Image Uploader Flash does not send this converted file.

Uploading Thumbnails

If you specify the Mode property to send a thumbnail, you can also set the following thumbnail parameters:

See Also

Reference

Manual