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Resource functions

get_nopreview_icon()

Description

Returns the path (relative to the gfx folder) of a suitable folder to represent
a resource with the given resource type or extension
Extension matches are tried first, followed by resource type matches
Finally, if there are no matches then the 'type1' image will be used.
set contactsheet to true to cd up one more level.

Parameters

ColumnTypeDefaultDescription
$resource_type integer
$extension string
$col_size boolean

Return

string

Location

include/resource_functions.php lines 7721 to 7779

Definition

 
function get_nopreview_icon($resource_type$extension$col_size)
    {
    global 
$language;
    
    
$col=($col_size?"_col":"");
    
$folder=dirname(dirname(__FILE__)) . "/gfx/";
    
$extension=strtolower($extension);

    
# Metadata template? Always use icon for 'mdtr', although typically no file will be attached.
    
global $metadata_template_resource_type;
    if (isset(
$metadata_template_resource_type) && $metadata_template_resource_type==$resource_type) {$extension="mdtr";}

    
# Try a plugin
    
$try=hook('plugin_nopreview_icon','',array($resource_type,$col$extension));
    if (
false !== $try && file_exists($folder $try))
        {
        return 
$try;
        }

    
# Try extension (language specific)
    
$try="no_preview/extension/" $extension $col "_" $language ".png";
    if (
file_exists($folder $try))
        {
        return 
$try;
        }
    
# Try extension (default)
    
$try="no_preview/extension/" $extension $col ".png";
    if (
file_exists($folder $try))
        {
        return 
$try;
        }
    
    
# --- Legacy ---
    # Support the old location for resource type and GIF format (root of gfx folder)
    # Some installations use custom types in this location.
    
$try="type" $resource_type $col ".gif";
    if (
file_exists($folder $try))
        {
        return 
$try;
        }


    
# Try resource type (language specific)
    
$try="no_preview/resource_type/type" $resource_type $col "_" $language ".png";
    if (
file_exists($folder $try))
        {
        return 
$try;
        }
    
# Try resource type (default)
    
$try="no_preview/resource_type/type" $resource_type $col ".png";
    if (
file_exists($folder $try))
        {
        return 
$try;
        }
    
    
    
# Fall back to the 'no preview' icon used for type 1.
    
return "no_preview/resource_type/type1" $col ".png";
    }

This article was last updated 27th February 2021 20:35 Europe/London time based on the source file dated 26th February 2021 17:25 Europe/London time.