xref: /plugin/popupviewer/action.php (revision 9ea9a3d7d452f070a77ff51d0da8221fdccc12bd) 
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
13class action_plugin_popupviewer extends DokuWiki_Action_Plugin {
14
15    function getInfo(){
16        return array_merge(confToHash(dirname(__FILE__).'/plugin.info.txt'), array(
17                'name' => 'PopUpViewer Action Component',
18                'desc' => 'Delivers pages back to the browser'
19                ));
20    }
21
22    function register(Doku_Event_Handler $controller) {
23        // Support given via AJAX
24        $controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'ajax_viewer_provider');
25        $controller->register_hook('MULTIORPHAN_INSTRUCTION_LINKED', 'BEFORE', $this, 'multiorphan_link_check');
26    }
27
28    function ajax_viewer_provider( Doku_Event &$event ) {
29        global $JSINFO;
30        global $INFO;
31        global $ID;
32        global $ACT;
33
34        if ( $event->data != '_popup_load_file' && $event->data != '_popup_load_image_meta' ) {
35            return;
36        }
37
38        // Registers ACT
39        if (isset($_SERVER['HTTP_X_DOKUWIKI_DO'])){
40            $ACT = trim(strtolower($_SERVER['HTTP_X_DOKUWIKI_DO']));
41        } elseif (!empty($_REQUEST['idx'])) {
42            $ACT = 'index';
43        } elseif (isset($_REQUEST['do'])) {
44            $ACT = $_REQUEST['do'];
45        } else {
46            $ACT = 'show';
47        }
48
49        $event->preventDefault();
50        $event->stopPropagation();
51
52        $data = "";
53        $head = array(
54            'script' => array(array()),
55            'link' => array(array()),
56            'meta' => array(array()),
57            'popupscript' => array()
58        );
59        $ID = getID('id');
60
61        if (auth_quickaclcheck($ID) < AUTH_READ) {
62            echo "read permission error";
63            return;
64        }
65
66        switch($event->data) {
67            case '_popup_load_file' :
68                $INFO = pageinfo();
69                $json = new JSON();
70                $JSINFO['id'] = $ID;
71                $JSINFO['namespace'] = (string) $INFO['namespace'];
72                trigger_event('POPUPVIEWER_DOKUWIKI_STARTED',$head,null,true);
73
74                $script = 'var JSINFO = '.$json->encode($JSINFO).';';
75
76                if ( $this->getConf('allowpopupscript') ) {
77                    $popupscript = p_get_metadata($ID, 'popupscript', true);
78                    $script .= "try{(function($){".$popupscript."}(jQuery))}catch(e){alert('Could not execute popupscript: '+e);}";
79
80                    if ( ($google =& plugin_load('action', 'googleanalytics')) ) {
81                        $dest = str_replace(":", "/", $ID);
82                        if ( isset($_REQUEST['do']) ) {
83                            $dest .= "?do=".$_REQUEST['do'];
84                        }
85                        $script .= "if(window.ga) window.ga('send', 'event', 'popupviewer', 'wiki-action', '".$dest."', { nonInteraction: false} );";
86                    }
87                }
88
89                $head['popupscript'][] = array( 'type'=>'text/popupscript', '_data'=> $script );
90
91                $data = '<div class="dokuwiki" style="padding-bottom: 10px;">' . p_wiki_xhtml($ID,'',true) . '</div>';
92                break;
93            case '_popup_load_image_meta' :
94
95                global $SRC;
96                $SRC = mediaFN($ID);
97                $title = hsc(tpl_img_getTag('IPTC.Headline'));
98                $caption = hsc(tpl_img_getTag('IPTC.Caption'));
99
100                if ( !empty($title) ) { $title = "<h3 class=\"title\">$title</h3>"; }
101                if ( !empty($caption) ) { $caption = "<div class=\"text\"><p>$caption</p></div>"; }
102                $data = preg_replace("%(\n|\r)%", '', nl2br($title.$caption));
103                break;
104        }
105
106        header('Content-Type: text/html; charset=utf-8');
107
108        if ( !empty($head['popupscript']) ) {
109            trigger_event('TPL_METAHEADER_OUTPUT',$head,'_tpl_metaheaders_action',true);
110        }
111
112        print $data;
113        return;
114    }
115
116    function multiorphan_link_check(Doku_Event &$event) {
117
118        $instructions = $event->data['instructions'];
119        if ( !strstr($instructions[0], 'popupviewer') ) {
120            return;
121        }
122
123        $event->data['entryID'] = $id = cleanID($instructions[1][0]);
124
125        $page   = resolve_id(getNS($event->data['checkNamespace']),$id);
126        $file   = mediaFN($page);
127
128        $event->data['exists'] = $exists = @file_exists($file) && @is_file($file);
129        $event->data['type']   = $exists ? 'media' : 'pages';
130
131        if ( !$exists ) {
132            resolve_pageid(getNS($event->data['checkNamespace']),$id,$event->data['exists']);
133        }
134    }
135}
136