xref: /plugin/bpmnio/syntax/bpmnio.php (revision c4f02a6e87d8a7e5a5592838ccca7b7221b9de2e) 
1<?php
2
3/**
4 * @license    See LICENSE file
5 * @author     Jaap de Haan <jaap.dehaan@color-of-code.de>
6 */
7
8// must be run within DokuWiki
9if (!defined('DOKU_INC')) {
10    die();
11}
12
13// See help: https://www.dokuwiki.org/devel:syntax_plugins
14
15class syntax_plugin_bpmnio_bpmnio extends DokuWiki_Syntax_Plugin
16{
17    public function getPType()
18    {
19        return 'block';
20    }
21
22    public function getType()
23    {
24        return 'protected';
25    }
26
27    public function getSort()
28    {
29        return 0;
30    }
31
32    public function connectTo($mode)
33    {
34        $this->Lexer->addEntryPattern('<bpmnio.*?>(?=.*?</bpmnio>)', $mode, 'plugin_bpmnio_bpmnio');
35    }
36
37    public function postConnect()
38    {
39        $this->Lexer->addExitPattern('</bpmnio>', 'plugin_bpmnio_bpmnio');
40    }
41
42    public function handle($match, $state, $pos, Doku_Handler $handler)
43    {
44        $posStart = $pos;
45        $posEnd = $pos + strlen($match);
46
47        if ($state == DOKU_LEXER_UNMATCHED) {
48            $match = base64_encode(trim($match));
49        }
50        return array($match, $state, $posStart, $posEnd);
51    }
52
53    public function render($mode, Doku_Renderer $renderer, $data)
54    {
55        list($match, $state, $posStart, $posEnd) = $data;
56
57        if (is_a($renderer, 'renderer_plugin_dw2pdf')) {
58            if ($state == DOKU_LEXER_EXIT) {
59                $renderer->doc .= <<<HTML
60                    <div class="plugin-bpmnio">
61                        <a href="https://github.com/Color-Of-Code/dokuwiki-plugin-bpmnio/issues/4">DW2PDF support missing: Help wanted</a>
62                    </div>
63                    HTML;
64            }
65            return true;
66        }
67
68        if ($mode == 'xhtml' || $mode == 'odt') {
69            switch ($state) {
70                case DOKU_LEXER_ENTER:
71                    preg_match('/<bpmnio type="(\w+)">/', $match, $type);
72                    $type = $type[1] ?? 'bpmn';
73                    $bpmnid = uniqid('__' . $type . '_js_');
74                    $renderer->doc .= <<<HTML
75                        <div class="plugin-bpmnio" id="{$bpmnid}">
76                        HTML;
77                    break;
78
79                case DOKU_LEXER_UNMATCHED:
80                    $renderer->doc .= <<<HTML
81                        <div class="bpmn_js_data">
82                            {$match}
83                        </div>
84                        HTML;
85
86                    $class = $this->_startSectionEdit($renderer, $posStart);
87                    $renderer->doc .= <<<HTML
88                        <div class="bpmn_js_canvas {$class}">
89                            <div class="bpmn_js_container {$class}"></div>
90                        </div>
91                        HTML;
92                    $this->_finishSectionEdit($renderer, $posEnd);
93                    break;
94
95                case DOKU_LEXER_EXIT:
96                    $renderer->doc .= '</div>';
97                    break;
98            }
99            return true;
100        }
101        return false;
102    }
103
104    private function _startSectionEdit(Doku_Renderer $renderer, $pos)
105    {
106        $sectionEditData = ['target' => 'plugin_bpmnio'];
107        if (!defined('SEC_EDIT_PATTERN')) {
108            // backwards-compatibility for Frusterick Manners (2017-02-19)
109            $sectionEditData = 'plugin_bpmnio';
110        }
111        return $renderer->startSectionEdit($pos, $sectionEditData);
112    }
113
114    private function _finishSectionEdit(Doku_Renderer $renderer, $pos)
115    {
116        $renderer->finishSectionEdit($pos);
117    }
118}
119