RenderTopicThumbnail

Display thumbnail image for a topic

Documentation

Parameters

• OBJECT: topic to generate a thumbnail for
• ALIGN: optional alignment of image, defaults to right
• SIZE: optional size of thumbnail
• TYPE: image rendering type, see documentation of ImagePlugin, defaults to simple
• CROP
• TOOLTIP: switch on/off tooltips for thumbnails, defaults to on
• SORT: specifies which image to chose from the attachments, defaults to comment:name which will take the one that sorts first wrt the comment, falling back to the name

Implementation

%STARTINCLUDE%%DBCALL{"Applications.RenderTopicThumbnail" 
  section="%IF{
     "'%ATTACHMENTS{"%OBJECT%" attr=".*t.*" format="yes"}%'='yes'" 
     then="thumbnailed" 
     else="defaultthumbnail"
  }%"
  object="%OBJECT%"
  align="%ALIGN{default="right"}%"
  size="%SIZE{default="48x48>^"}%"
  type="%TYPE{default="simple"}%"
  crop="%CROP{default="on"}%"
  sort="%SORT{default="comment:name"}%"
}%%STOPINCLUDE%

%STARTSECTION{"thumbnailed"}%%ATTACHMENTS{
   "%object%"
   attr=".*t.*"
   warn="off"
   hidenull="on"
   format="$percntIMAGE{
     \"$name\"
     topic=\"$web.$topic\"
     align=\"%align%\"
     type=\"%type%\"
     size=\"%size%\"
     crop=\"%crop%\"
     title=\"\"
     tooltip=\"%TOOLTIP{default="on"}%\"
     warn=\"off\"
     output=\"png\"
   }$percnt"
}%%ENDSECTION{"thumbnailed"}%

%STARTSECTION{"defaultthumbnail"}%%ATTACHMENTS{
   "%object%"
   name=".*\.(jpe?g|gif|png|bmp|svg|JE?PG|GIF|PNG|BMP|SVG)"
   warn="off"
   limit="1"
   sort="%sort%"
   reverse="%IF{"'%sort%' = 'date'" then="on" else="off"}%"
   hidenull="on"
   format="$percntIMAGE{
     \"$name\"
     topic=\"$web.$topic\"
     align=\"%align%\"
     type=\"%type%\"
     size=\"%size%\"
     crop=\"%crop%\"
     title=\"\"
     tooltip=\"%TOOLTIP{default="on"}%\"
     warn=\"off\"
     output=\"png\"
   }$percnt"
}%%ENDSECTION{"defaultthumbnail"}%

Test

List of all attachments at WikiGuest