xref: /plugin/panoview/syntax.php (revision 1a675665aea7018941f25265882ed62b1c23cdd8) 
1<?php
2/**
3 * Embed an image gallery
4 *
5 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author     Andreas Gohr <andi@splitbrain.org>
7 */
8
9if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../../').'/');
10if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
11require_once(DOKU_PLUGIN.'syntax.php');
12require_once(DOKU_INC.'inc/search.php');
13require_once(DOKU_INC.'inc/JpegMeta.php');
14
15class syntax_plugin_panoview extends DokuWiki_Syntax_Plugin {
16    /**
17     * return some info
18     */
19    function getInfo(){
20        return confToHash(dirname(__FILE__).'/info.txt');
21    }
22
23    /**
24     * What kind of syntax are we?
25     */
26    function getType(){
27        return 'substition';
28    }
29
30    /**
31     * What about paragraphs?
32     */
33    function getPType(){
34        return 'block';
35    }
36
37    /**
38     * Where to sort in?
39     */
40    function getSort(){
41        return 301;
42    }
43
44
45    /**
46     * Connect pattern to lexer
47     */
48    function connectTo($mode) {
49        $this->Lexer->addSpecialPattern('\{\{panoview>[^}]*\}\}',$mode,'plugin_panoview');
50    }
51
52    /**
53     * Handle the match
54     */
55    function handle($match, $state, $pos, &$handler){
56        global $ID;
57
58        $data = array(
59            'width'         => 500,
60            'height'        => 250,
61            'align'         => 0,
62            'initialZoom'   => 2,
63            'tileBaseUri'   => DOKU_BASE.'lib/plugins/panoview/tiles.php',
64            'tileSize'      => 256,
65            'maxZoom'       => 10,
66            'blankTile'     => DOKU_BASE.'lib/plugins/panoview/gfx/blank.gif',
67            'loadingTile'   => DOKU_BASE.'lib/plugins/panoview/gfx/progress.gif',
68        );
69
70        $match = substr($match,11,-2); //strip markup from start and end
71
72        // alignment
73        $data['align'] = 0;
74        if(substr($match,0,1) == ' ') $data['align'] += 1;
75        if(substr($match,-1,1) == ' ') $data['align'] += 2;
76
77        // extract params
78        list($img,$params) = explode('?',$match,2);
79        $img = trim($img);
80
81        // resolving relatives
82        $data['image'] = resolve_id(getNS($ID),$img);
83
84        $file = mediaFN($data['image']);
85        list($data['imageWidth'],$data['imageHeight']) = @getimagesize($file);
86
87        // size
88        if(preg_match('/^(\d+)[xX](\d+)$/',$params,$match)){
89            $data['width']  = $match[1];
90            $data['height'] = $match[2];
91        }
92
93        return $data;
94    }
95
96    /**
97     * Create output
98     */
99    function render($mode, &$R, $data) {
100        if($mode != 'xhtml') return false;
101
102        require_once(DOKU_INC.'inc/JSON.php');
103        $json = new JSON();
104
105        $img = '<a href="'.ml($data['image']).'"><img src="'.
106                    ml($data['image'], array('w'=>$data['width'],'h'=>$data['height'])).'" width="'.
107                    $data['width'].'" height="'.$data['height'].'" alt="" /></a>';
108
109
110        $R->doc .= '
111            <div class="panoview_plugin" style="width: '.$data['width'].'px; height: '.$data['height'].'px;">
112              <div class="well"><!-- --></div>
113              <div class="surface">'.$img.'</div>
114              <p class="controls" style="display: none">
115                <span class="zoomIn" title="Zoom In">+</span>
116                <span class="zoomOut" title="Zoom Out">-</span>
117              </p>
118                <div class="options" style="display:none">'.hsc($json->encode($data)).'</div>
119            </div>
120        ';
121
122
123        return true;
124    }
125
126
127}
128
129//Setup VIM: ex: et ts=4 enc=utf-8 :
130