seeddms-code/controllers/class.Preview.php
2020-12-09 19:54:31 +01:00

111 lines
3.3 KiB
PHP

<?php
/**
* Implementation of Preview controller
*
* @category DMS
* @package SeedDMS
* @license GPL 2
* @version @version@
* @author Uwe Steinmann <uwe@steinmann.cx>
* @copyright Copyright (C) 2010-2013 Uwe Steinmann
* @version Release: @package_version@
*/
/**
* Class which does the busines logic for previewing a document
*
* @category DMS
* @package SeedDMS
* @author Uwe Steinmann <uwe@steinmann.cx>
* @copyright Copyright (C) 2010-2013 Uwe Steinmann
* @version Release: @package_version@
*/
class SeedDMS_Controller_Preview extends SeedDMS_Controller_Common {
public function run() {
global $theme;
$dms = $this->params['dms'];
$type = $this->params['type'];
$settings = $this->params['settings'];
switch($type) {
case "version":
$version = $this->params['version'];
$document = $this->params['document'];
$width = $this->params['width'];
if($version < 1) {
$content = $this->callHook('documentLatestContent', $document);
if($content === null)
$content = $document->getLatestContent();
} else {
$content = $this->callHook('documentContent', $document, $version);
if($content === null)
$content = $document->getContentByVersion($version);
}
if (!is_object($content)) {
$this->errormsg = 'invalid_version';
return false;
}
/* set params['content'] for compatiblity with older extensions which
* expect the content in the controller
*/
$this->params['content'] = $content;
if(null === $this->callHook('version')) {
if($width)
$previewer = new SeedDMS_Preview_Previewer($settings->_cacheDir, $width, $settings->_cmdTimeout);
else
$previewer = new SeedDMS_Preview_Previewer($settings->_cacheDir);
$previewer->setConverters($settings->_converters['preview']);
$previewer->setXsendfile($settings->_enableXsendfile);
if(!$previewer->hasPreview($content)) {
add_log_line("");
if(!$previewer->createPreview($content)) {
add_log_line("", PEAR_LOG_ERR);
}
}
if(!$previewer->hasPreview($content)) {
header('Content-Type: image/svg+xml');
readfile('../views/'.$theme.'/images/empty.svg');
exit;
}
header('Content-Type: image/png');
$previewer->getPreview($content);
}
break;
case "file":
$object = $this->params['object'];
$document = $this->params['document'];
$width = $this->params['width'];
if (!is_object($object)) {
$this->errormsg = 'invalid_version';
return false;
}
if(null === $this->callHook('file')) {
if($width)
$previewer = new SeedDMS_Preview_Previewer($settings->_cacheDir, $width, $settings->_cmdTimeout);
else
$previewer = new SeedDMS_Preview_Previewer($settings->_cacheDir);
$previewer->setConverters($settings->_converters['preview']);
$previewer->setXsendfile($settings->_enableXsendfile);
if(!$previewer->hasPreview($object)) {
add_log_line("");
if(!$previewer->createPreview($object)) {
add_log_line("", PEAR_LOG_ERR);
}
}
if(!$previewer->hasPreview($object)) {
header('Content-Type: image/svg+xml');
readfile('../views/'.$theme.'/images/empty.svg');
exit;
}
header('Content-Type: image/png');
$previewer->getPreview($object);
}
break;
}
return true;
}
}