File Source for mime.pdfx.php

<?php
/**
* @version $Header: /cvsroot/bitweaver/_bit_liberty/plugins/mime.pdf.php,v 1.2 2009/04/29 14:29:24 wjames5 Exp $
*
* @author xing <xing@synapse.plus.com>
* @version $Revision: 1.2 $
* created Thursday May 08, 2008
* @package liberty
* @subpackage liberty_mime_handler
***/
/**
* setup
*/
global $gLibertySystem;
/**
* This is the name of the plugin - max char length is 16
* As a naming convention, the liberty mime handler definition should start with:
* PLUGIN_MIME_GUID_
*/
define( 'PLUGIN_MIME_GUID_PDFX', 'mimepdfx' );
$pluginParams = array (
// Set of functions and what they are called in this paricular plugin
// Use the GUID as your namespace
'verify_function' => 'mime_default_verify',
'store_function' => 'mime_pdfx_store',
'update_function' => 'mime_pdfx_update',
'load_function' => 'mime_pdfx_load',
'download_function' => 'mime_default_download',
'expunge_function' => 'mime_default_expunge',
'help_function' => 'mime_pdfx_help',
// Brief description of what the plugin does
'title' => 'Browsable PDFs with thumbnails',
'description' => 'Convert PDFs to flash files that can be browsed online and provides thumbnail images for the galleries and links.',
// Templates to display the files
'view_tpl' => 'bitpackage:liberty/mime/pdfx/view.tpl',
//'attachment_tpl' => 'bitpackage:liberty/mime/image/attachment.tpl',
// url to page with options for this plugin
'plugin_settings_url' => LIBERTY_PKG_URL.'admin/plugins/mime_pdfx.php',
// This should be the same for all mime plugins
'plugin_type' => MIME_PLUGIN,
// Set this to TRUE if you want the plugin active right after installation
'auto_activate' => FALSE,
// Help page on bitweaver.org
//'help_page' => 'LibertyMime+Image+Plugin',
// this should pick up all raw pdf files
'mimetypes' => array(
'#.*/pdf#i',
),
);
$gLibertySystem->registerPlugin( PLUGIN_MIME_GUID_PDFX, $pluginParams );
/**
* Store the data in the database
*
* @param array $pStoreRow File data needed to store details in the database - sanitised and generated in the verify function
* @access public
* @return TRUE on success, FALSE on failure - $pStoreRow[errors] will contain reason
*/
function mime_pdfx_store( &$pStoreRow ) {
global $gBitSystem;
// this will set the correct pluign guid, even if we let default handle the store process
$pStoreRow['attachment_plugin_guid'] = PLUGIN_MIME_GUID_PDFX;
$pStoreRow['log'] = array();
// if storing works, we process the image
if( $ret = mime_default_store( $pStoreRow )) {
// Dummy for later
}
if( $gBitSystem->getConfig( 'pdf_thumbnails', 'y' ) == 'y' ) {
if( !mime_pdfx_thumbnail( $pStoreRow )) {
// if it all goes tits up, we'll know why
$pStoreRow['errors'] = $pStoreRow['log'];
$ret = FALSE;
}
}
return $ret;
}
/**
* mime_pdf_update update file information in the database if there were changes.
*
* @param array $pStoreRow File data needed to update details in the database
* @access public
* @return TRUE on success, FALSE on failure - $pStoreRow[errors] will contain reason
*/
function mime_pdfx_update( &$pStoreRow, $pParams = NULL ) {
global $gThumbSizes, $gBitSystem;
$ret = TRUE;
// this will set the correct pluign guid, even if we let default handle the store process
$pStoreRow['attachment_plugin_guid'] = PLUGIN_MIME_GUID_PDFX;
if( $gBitSystem->getConfig( 'pdf_thumbnails', 'y' ) == 'y' ) {
if( !mime_pdfx_thumbnail( $pStoreRow )) {
// if it all goes tits up, we'll know why
$pStoreRow['errors'] = $pStoreRow['log'];
$ret = FALSE;
}
}
return $ret;
}
/**
* Load file data from the database
*
* @param array $pFileHash Contains all file information
* @param array $pPrefs Attachment preferences taken liberty_attachment_prefs
* @param array $pParams Parameters for loading the plugin - e.g.: might contain values such as thumbnail size from the view page
* @access public
* @return TRUE on success, FALSE on failure - $pStoreRow[errors] will contain reason
*/
function mime_pdfx_load( &$pFileHash, &$pPrefs, $pParams = NULL ) {
global $gBitSystem;
// don't load a mime image if we don't have an image for this file
if( $ret = mime_default_load( $pFileHash, $pPrefs, $pParams )) {
if( !empty( $ret['source_file'] )) {
$source_path = dirname( $ret['source_file'] ).'/';
// if the swf file exists, we pass it back that it can be viewed.
if( is_file( $source_path.'pdf.swf' )) {
$ret['media_url'] = storage_path_to_url( dirname( $ret['source_url'] ).'/pdf.swf' );
}
}
}
return $ret;
}
/**
* mime_pdfx_thumbnail Create a jpg thumbnail of the first page of the PDF
*
* @param array $pFileHash file details.
* @param array $pFileHash[upload] should contain a complete hash from $_FILES
* @access public
* @return TRUE on success, FALSE on failure
*/
function mime_pdfx_thumbnail( $pFileHash ) {
global $gBitSystem;
if( $gBitSystem->getConfig( 'pdf_thumbnails', 'y' ) == 'y' ) {
$source = STORAGE_PKG_PATH.$pFileHash['upload']['dest_branch'];
if ( $gBitSystem->isFeatureActive( 'liberty_jpeg_originals' ) ) {
$source .= 'original.jpg';
} else {
$source .= $pFileHash['upload']['name'];
}
$dest_branch = dirname( $source );
$thumb_file = "$dest_branch/thumb.jpg";
$im = new Imagick($source."[0]"); // 0-first page, 1-second page
$im->setImageColorspace(255); // prevent image colors from inverting
$im->setimageformat("jpeg");
$im->thumbnailimage(724, 1024); // width and height
$im->writeimage($thumb_file);
$im->clear();
$im->destroy();
if( is_file( $thumb_file ) && filesize( $thumb_file ) > 0 ) {
}
else if( is_file( "$dest_branch/thumb-0.jpg" ) ) {
$thumb_file = "$dest_branch/thumb-0.jpg";
}
$genHash = array(
'attachment_id' => $pFileHash['attachment_id'],
'dest_branch' => $pFileHash['upload']['dest_branch'],
'source_file' => $thumb_file,
'type' => 'image/jpeg',
'thumbnail_sizes' => array( 'extra-large', 'large', 'medium', 'small', 'avatar', 'icon' ),
);
if( liberty_generate_thumbnails( $genHash )) {
// $genHash['source_file'] = $genHash['icon_thumb_path'];
// if( !$panoramaFunc( $genHash )) {
// $pStoreRow['errors']['panorama'] = $genHash['error'];
// }
}
$mask = "$dest_branch/thumb*.jpg";
array_map( "unlink", glob( $mask ) );
}
return( empty( $pFileHash['log'] ));
}
/**
* mime_pdf_help
*
* @access public
* @return string
*/
function mime_pdfx_help() {
return '';
}
?>

Source for file mime.pdfx.php