1<?php
2/**
3 * Imageflow Plugin
4 *
5 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author     i-net software <tools@inetsoftware.de>
7 * @author     Gerry Weissbach <gweissbach@inetsoftware.de>
8 */
9
10// must be run within Dokuwiki
11if(!defined('DOKU_INC')) die();
12
13if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
14require_once(DOKU_PLUGIN.'action.php');
15
16class action_plugin_popupviewer extends DokuWiki_Action_Plugin {
17
18    function getInfo(){
19        return array_merge(confToHash(dirname(__FILE__).'/plugin.info.txt'), array(
20                'name' => 'PopUpViewer Action Component',
21                'desc' => 'Delivers pages back to the browser'
22                ));
23    }
24
25    function register(Doku_Event_Handler $controller) {
26        // Support given via AJAX
27        $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'ajax_viewer_provider');
28        $controller->register_hook('MULTIORPHAN_INSTRUCTION_LINKED', 'BEFORE', $this, 'multiorphan_link_check');
29    }
30
31    function ajax_viewer_provider( Doku_Event &$event ) {
32        global $JSINFO;
33        global $INFO;
34        global $ID;
35        global $ACT;
36
37        if ( $event->data != '_popup_load_file' && $event->data != '_popup_load_image_meta' ) {
38            return;
39        }
40
41        // Registers ACT
42        if (isset($_SERVER['HTTP_X_DOKUWIKI_DO'])){
43            $ACT = trim(strtolower($_SERVER['HTTP_X_DOKUWIKI_DO']));
44        } elseif (!empty($_REQUEST['idx'])) {
45            $ACT = 'index';
46        } elseif (isset($_REQUEST['do'])) {
47            $ACT = $_REQUEST['do'];
48        } else {
49            $ACT = 'show';
50        }
51
52        $event->preventDefault();
53        $event->stopPropagation();
54
55        $data = "";
56        $head = array(
57            'script' => array(array()),
58            'link' => array(array()),
59            'meta' => array(array()),
60            'popupscript' => array()
61        );
62        $ID = getID('id');
63
64        if (auth_quickaclcheck($ID) < AUTH_READ) {
65            echo "read permission error";
66            return;
67        }
68
69        switch($event->data) {
70            case '_popup_load_file' :
71                $INFO = pageinfo();
72                $json = new JSON();
73                $JSINFO['id'] = $ID;
74                $JSINFO['namespace'] = (string) $INFO['namespace'];
75                trigger_event('POPUPVIEWER_DOKUWIKI_STARTED',$head,null,true);
76
77                $script = 'var JSINFO = '.$json->encode($JSINFO).';';
78
79                if ( $this->getConf('allowpopupscript') ) {
80                    $popupscript = p_get_metadata($ID, 'popupscript', true);
81                    $script .= "try{(function($){".$popupscript."}(jQuery))}catch(e){alert('Could not execute popupscript: '+e);}";
82
83                    if ( ($google =& plugin_load('action', 'googleanalytics')) ) {
84                        $dest = str_replace(":", "/", $ID);
85                        if ( isset($_REQUEST['do']) ) {
86                            $dest .= "?do=".$_REQUEST['do'];
87                        }
88                        $script .= "if(window.ga) window.ga('send', 'event', 'wiki-action', 'popupviewer', '".$dest."', { nonInteraction: false} );";
89                    }
90                }
91
92                $head['popupscript'][] = array( 'type'=>'text/popupscript', '_data'=> $script );
93
94                $data = '<div class="dokuwiki" style="padding-bottom: 10px;">' . p_wiki_xhtml($ID,'',true) . '</div>';
95                break;
96            case '_popup_load_image_meta' :
97
98                global $SRC;
99                $SRC = mediaFN($ID);
100                $title = hsc(tpl_img_getTag('IPTC.Headline'));
101                $caption = hsc(tpl_img_getTag('IPTC.Caption'));
102
103                if ( !empty($title) ) { $title = "<h3 class=\"title\">$title</h3>"; }
104                if ( !empty($caption) ) { $caption = "<div class=\"text\"><p>$caption</p></div>"; }
105                $data = preg_replace("%(\n|\r)%", '', nl2br($title.$caption));
106                break;
107        }
108
109        header('Content-Type: text/html; charset=utf-8');
110
111        if ( !empty($head['popupscript']) ) {
112            trigger_event('TPL_METAHEADER_OUTPUT',$head,'_tpl_metaheaders_action',true);
113        }
114
115        print $data;
116        return;
117    }
118
119    function multiorphan_link_check(Doku_Event &$event) {
120
121        $instructions = $event->data['instructions'];
122        if ( !strstr($instructions[0], 'popupviewer') ) {
123            return;
124        }
125
126        $event->data['entryID'] = $id = cleanID($instructions[1][0]);
127
128        $page   = resolve_id(getNS($event->data['checkNamespace']),$id);
129        $file   = mediaFN($page);
130
131        $event->data['exists'] = $exists = @file_exists($file) && @is_file($file);
132        $event->data['type']   = $exists ? 'media' : 'pages';
133
134        if ( !$exists ) {
135            resolve_pageid(getNS($event->data['checkNamespace']),$id,$event->data['exists']);
136        }
137    }
138}
139