instaView.php
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<?php
/*
* $Id: $
*
* The contents of this file are subject to the KnowledgeTree
* Commercial Editions On-Premise License ("License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.knowledgetree.com/about/legal/
* The terms of this license may change from time to time and the latest
* license will be published from time to time at the above Internet address.
*
* This edition of the KnowledgeTree software
* is NOT licensed to you under Open Source terms.
* You may not redistribute this source code.
* For more information please see the License above.
*
* (c) 2008 KnowledgeTree Inc.
* Portions copyright The Jam Warehouse Software (Pty) Ltd;
* All Rights Reserved.
*
*/
require_once(KT_DIR . '/search2/documentProcessor/documentProcessor.inc.php');
/**
* Generates the flash viewer for inline document viewing
* Depends on the thumbnail generation plugin and the pdf converter plugin
*/
class instaView extends BaseProcessor
{
public $order = 4;
protected $namespace = 'instaview.generator.processor';
/**
* Constructor
*
* @return instaView
*/
public function instaView()
{
}
/**
* Calls the function to generate the flash preview
*
* @return boolean
*/
public function processDocument()
{
// do swf conversion
$res = $this->generateFlash();
return $res;
}
/**
* The supported mime types for the converter.
*
* @return array
*/
public function getSupportedMimeTypes()
{
// $aAcceptedMimeTypes = array('doc', 'ods', 'odt', 'ott', 'txt', 'rtf', 'sxw', 'stw',
// // 'html', 'htm',
// 'xml' , 'pdb', 'psw', 'ods', 'ots', 'sxc',
// 'stc', 'dif', 'dbf', 'xls', 'xlt', 'slk', 'csv', 'pxl',
// 'odp', 'otp', 'sxi', 'sti', 'ppt', 'pot', 'sxd', 'odg',
// 'otg', 'std', 'asc');
// taken from the original list of accepted types in the pdf generator action
$mime_types = array();
$mime_types[] = 'text/plain';
$mime_types[] = 'text/html';
$mime_types[] = 'text/csv';
$mime_types[] = 'text/rtf';
// Office OLE2 - 2003, XP, etc
$mime_types[] = 'application/msword';
$mime_types[] = 'application/vnd.ms-powerpoint';
$mime_types[] = 'application/vnd.ms-excel';
// Star Office
$mime_types[] = 'application/vnd.sun.xml.writer';
$mime_types[] = 'application/vnd.sun.xml.writer.template';
$mime_types[] = 'application/vnd.sun.xml.calc';
$mime_types[] = 'application/vnd.sun.xml.calc.template';
$mime_types[] = 'application/vnd.sun.xml.draw';
$mime_types[] = 'application/vnd.sun.xml.draw.template';
$mime_types[] = 'application/vnd.sun.xml.impress';
$mime_types[] = 'application/vnd.sun.xml.impress.template';
// Open Office
$mime_types[] = 'application/vnd.oasis.opendocument.text';
$mime_types[] = 'application/vnd.oasis.opendocument.text-template';
$mime_types[] = 'application/vnd.oasis.opendocument.graphics';
$mime_types[] = 'application/vnd.oasis.opendocument.graphics-template';
$mime_types[] = 'application/vnd.oasis.opendocument.presentation';
$mime_types[] = 'application/vnd.oasis.opendocument.presentation-template';
$mime_types[] = 'application/vnd.oasis.opendocument.spreadsheet';
$mime_types[] = 'application/vnd.oasis.opendocument.spreadsheet-template';
/* OO3
// Office 2007
$mime_types[] = 'application/vnd.openxmlformats-officedocument.wordprocessingml.document';
$mime_types[] = 'application/vnd.openxmlformats-officedocument.wordprocessingml.template';
$mime_types[] = 'application/vnd.openxmlformats-officedocument.presentationml.template';
$mime_types[] = 'application/vnd.openxmlformats-officedocument.presentationml.slideshow';
$mime_types[] = 'application/vnd.openxmlformats-officedocument.presentationml.presentation';
$mime_types[] = 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet';
$mime_types[] = 'application/vnd.openxmlformats-officedocument.spreadsheetml.template';
*/
return $mime_types;
}
/**
* Merges the flash template with the pdf of the document
*
* @return boolean
*/
private function generateFlash()
{
/*
The template can be stored in a resources folder under the plugin and merged in with the pdf below.
*/
global $default;
$pdfDir = $default->pdfDirectory;
$pdfFile = $pdfDir .'/'. $this->document->iId.'.pdf';
$swfFile = $pdfDir .'/'. $this->document->iId.'.swf';
// if a previous version of the swf file exists - delete it
if(file_exists($swfFile)){
@unlink($swfFile);
}
//check if the pdf exists
if(!file_exists($pdfFile)){
global $default;
$default->log->debug('InstaView Plugin: PDF file does not exist, cannot generate the flash view');
return false;
}
// do merge
$output = shell_exec("pdf2swf $pdfFile -o $swfFile");
return true;
}
}
?>