xref: /plugin/struct/action/entry.php (revision afbd4e60caccda640f005a3ee22bd3a03a80510d) 
1<?php
2/**
3 * DokuWiki Plugin struct (Action Component)
4 *
5 * @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
6 * @author  Andreas Gohr, Michael Große <dokuwiki@cosmocode.de>
7 */
8
9// must be run within Dokuwiki
10if(!defined('DOKU_INC')) die();
11
12use plugin\struct\meta\SchemaData;
13
14class action_plugin_struct_entry extends DokuWiki_Action_Plugin {
15
16
17    /** @var helper_plugin_sqlite */
18    protected $sqlite;
19
20    /**
21     * Registers a callback function for a given event
22     *
23     * @param Doku_Event_Handler $controller DokuWiki's event controller object
24     * @return void
25     */
26    public function register(Doku_Event_Handler $controller) {
27
28        $controller->register_hook('HTML_EDITFORM_OUTPUT', 'BEFORE', $this, 'handle_editform');
29        $controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'handle_pagesave');
30
31    }
32
33    /**
34     * Save values of Schemas but do not interfere with saving the page.
35     *
36     * @param Doku_Event $event  event object by reference
37     * @param mixed      $param  [the parameters passed as fifth argument to register_hook() when this
38     *                           handler was registered]
39     * @return bool
40     */
41    public function handle_pagesave(Doku_Event &$event, $param) {
42        global $ID, $INPUT;
43        if (act_clean($event->data) !== "save") return false;
44
45        /** @var \helper_plugin_struct_db $helper */
46        $helper = plugin_load('helper', 'struct_db');
47        $this->sqlite = $helper->getDB();
48
49        $res = $this->sqlite->query("SELECT tbl FROM schema_assignments WHERE assign = ?",array($ID,));
50        if (!$this->sqlite->res2count($res)) return false;
51
52        $tables = array_map(
53            function ($value) {
54                return $value['tbl'];
55            },
56            $this->sqlite->res2arr($res)
57        );
58        $this->sqlite->res_close($res);
59
60        $structData = $INPUT->arr('Schema');
61        $timestamp = $INPUT->int('date');
62
63        foreach ($tables as $table) {
64            $schema = new SchemaData($table, $ID, $timestamp);
65            $schemaData = $structData[$table];
66            foreach ($schema->getColumns() as $col) {
67                $type = $col->getType();
68                $label = $type->getLabel();
69                if ($type->isMulti() && !is_array($schemaData[$label])) {
70                    $schemaData[$label] = $type->splitValues($schemaData[$label]);
71                }
72            }
73            $schema->saveData($schemaData);
74        }
75        return false;
76    }
77
78    /*
79     * Enhance the editing form with structural data editing
80     *
81     * @param Doku_Event $event  event object by reference
82     * @param mixed      $param  [the parameters passed as fifth argument to register_hook() when this
83     *                           handler was registered]
84     * @return bool
85     */
86    public function handle_editform(Doku_Event $event, $param) {
87        global $ID;
88        /** @var \helper_plugin_struct_db $helper */
89        $helper = plugin_load('helper', 'struct_db');
90        $this->sqlite = $helper->getDB();
91
92        $res = $this->sqlite->query("SELECT tbl FROM schema_assignments WHERE assign = ?", array($ID,));
93        if(!$this->sqlite->res2count($res)) return false;
94
95        $tables = array_map(
96            function ($value) {
97                return $value['tbl'];
98            },
99            $this->sqlite->res2arr($res)
100        );
101        $this->sqlite->res_close($res);
102
103        $html = '';
104        foreach($tables as $table) {
105            $html .= $this->createForm($table);
106        }
107
108        /** @var Doku_Form $form */
109        $form = $event->data;
110        $html = "<div class=\"struct\">$html</div>";
111        $pos = $form->findElementById('wiki__editbar'); // insert the form before the main buttons
112        $form->insertElement($pos, $html);
113
114        return true;
115    }
116
117    /**
118     * Create the form to edit schemadata
119     *
120     * @param string $tablename
121     * @return string The HTML for this schema's form
122     */
123    protected function createForm($tablename) {
124        global $ID;
125        global $REV;
126        $schema = new SchemaData($tablename, $ID, $REV);
127        $schemadata = $schema->getData();
128
129        $html = "<h3>$tablename</h3>";
130        $cols = $schema->getColumns(false);
131        foreach ($cols as $index => $col) {
132            $type = $col->getType();
133            $label = $type->getLabel();
134            $name = "Schema[$tablename][$label]";
135            if($type->isMulti()) {
136                $input = $type->multiValueEditor($name, $schemadata[$label]);
137            } else {
138                $input = $type->valueEditor($name, $schemadata[$label]);
139            }
140            $element = "<label>$label $input</label><br />";
141            $html .= $element;
142        }
143
144        return $html;
145    }
146
147}
148
149// vim:ts=4:sw=4:et:
150