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added package for creating preview images of documents
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steinm
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24
LetoDMS_Preview/Preview.php
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24
LetoDMS_Preview/Preview.php
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<?php
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// LetoDMS. Document Management System
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// Copyright (C) 2011-2013 Uwe Steinmann
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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/**
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* @uses Preview/Previewer.php
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*/
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require_once('Preview/Previewer.php');
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?>
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134
LetoDMS_Preview/Preview/Previewer.php
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134
LetoDMS_Preview/Preview/Previewer.php
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<?php
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/**
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* Implementation of preview documents
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*
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* @category DMS
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* @package LetoDMS_Preview
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* @license GPL 2
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* @version @version@
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* @author Uwe Steinmann <uwe@steinmann.cx>
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* @copyright Copyright (C) 2010, Uwe Steinmann
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* @version Release: @package_version@
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*/
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/**
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* Class for managing creation of preview images for documents.
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*
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* @category DMS
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* @package LetoDMS_Preview
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* @version @version@
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* @author Uwe Steinmann <uwe@steinmann.cx>
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* @copyright Copyright (C) 2011, Uwe Steinmann
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* @version Release: @package_version@
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*/
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class LetoDMS_Preview_Previewer {
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/**
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* @var string $cacheDir location in the file system where all the
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* cached data like thumbnails are located. This should be an
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* absolute path.
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* @access public
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*/
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public $previewDir;
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/**
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* @var integer $width maximum width/height of resized image
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* @access protected
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*/
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protected $width;
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function __construct($previewDir, $width=40) {
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if(!is_dir($previewDir)) {
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if (!LetoDMS_Core_File::makeDir($previewDir)) {
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$this->previewDir = '';
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} else {
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$this->previewDir = $previewDir;
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}
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} else {
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$this->previewDir = $previewDir;
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}
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$this->width = intval($width);
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}
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function createPreview($documentcontent, $width=0) { /* {{{ */
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if($width == 0)
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$width = $this->width;
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else
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$width = intval($width);
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if(!$this->previewDir)
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return false;
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$document = $documentcontent->getDocument();
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$dir = $this->previewDir.'/'.$document->getDir();
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if(!is_dir($dir)) {
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if (!LetoDMS_Core_File::makeDir($dir)) {
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return false;
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}
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}
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$file = $document->_dms->contentDir.$documentcontent->getPath();
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if(!file_exists($file))
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return false;
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$target = $dir.'p'.$documentcontent->getVersion().'-'.$width.'.png';
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if(!file_exists($target)) {
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$cmd = '';
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switch($documentcontent->getMimeType()) {
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case "image/png":
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case "image/gif":
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case "image/jpeg":
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case "image/jpg":
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$cmd = 'convert -resize '.$width.'x'.$width.' '.$file.' '.$target;
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break;
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case "application/pdf":
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$cmd = 'convert -density 18 -resize '.$width.'x'.$width.' '.$file.'[0] '.$target;
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}
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if($cmd) {
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system( $cmd);
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}
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return true;
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}
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return true;
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} /* }}} */
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function hasPreview($documentcontent, $width=0) { /* {{{ */
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if($width == 0)
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$width = $this->width;
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else
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$width = intval($width);
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if(!$this->previewDir)
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return false;
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$document = $documentcontent->getDocument();
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$dir = $this->previewDir.'/'.$document->getDir();
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$target = $dir.'p'.$documentcontent->getVersion().'-'.$width.'.png';
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if(file_exists($target)) {
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return true;
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}
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return false;
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} /* }}} */
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function getPreview($documentcontent, $width=0) { /* {{{ */
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if($width == 0)
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$width = $this->width;
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else
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$width = intval($width);
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if(!$this->previewDir)
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return false;
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$document = $documentcontent->getDocument();
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$dir = $this->previewDir.'/'.$document->getDir();
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$target = $dir.'p'.$documentcontent->getVersion().'-'.$width.'.png';
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if(file_exists($target)) {
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readfile($target);
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}
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} /* }}} */
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function deletePreview($document, $documentcontent) { /* {{{ */
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if($width == 0)
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$width = $this->width;
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else
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$width = intval($width);
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if(!$this->previewDir)
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return false;
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$dir = $this->previewDir.'/'.$document->getDir();
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$target = $dir.'p'.$documentcontent->getVersion().'-'.$width.'.png';
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} /* }}} */
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}
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?>
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57
LetoDMS_Preview/package.xml
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57
LetoDMS_Preview/package.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<package packagerversion="1.8.1" version="2.0" xmlns="http://pear.php.net/dtd/package-2.0" xmlns:tasks="http://pear.php.net/dtd/tasks-1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://pear.php.net/dtd/tasks-1.0 http://pear.php.net/dtd/tasks-1.0.xsd http://pear.php.net/dtd/package-2.0 http://pear.php.net/dtd/package-2.0.xsd">
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<name>LetoDMS_Preview</name>
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<channel>pear.php.net</channel>
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<summary>Create thumbnails from document content for LetoDMS</summary>
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<description>LetoDMS is a web based document management system (DMS). These
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are the classes to create preview images from the document content.</description>
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<lead>
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<name>Uwe Steinmann</name>
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<user>steinm</user>
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<email>uwe@steinmann.cx</email>
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<active>yes</active>
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</lead>
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<date>2012-11-20</date>
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<time>08:05:38</time>
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<version>
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<release>1.0.0</release>
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<api>1.0.0</api>
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</version>
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<stability>
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<release>beta</release>
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<api>beta</api>
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</stability>
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<license uri="http://opensource.org/licenses/gpl-license">GPL License</license>
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<notes>
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initial version
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</notes>
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<contents>
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<dir baseinstalldir="LetoDMS" name="/">
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<dir name="Preview">
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<file name="Preview.php" role="php">
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<tasks:replace from="@package_version@" to="version" type="package-info" />
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</file>
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</dir> <!-- /Lucene -->
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<dir name="tests">
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</dir> <!-- /tests -->
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<file name="Preview.php" role="php">
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<tasks:replace from="@package_version@" to="version" type="package-info" />
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</file>
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</dir> <!-- / -->
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</contents>
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<dependencies>
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<required>
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<php>
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<min>4.3.0</min>
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</php>
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<pearinstaller>
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<min>1.5.4</min>
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</pearinstaller>
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</required>
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</dependencies>
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<phprelease />
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<changelog>
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<release>
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</release>
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</changelog>
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</package>
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0
LetoDMS_Preview/tests/Preview.php
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0
LetoDMS_Preview/tests/Preview.php
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