xref: /plugin/struct/action/entry.php (revision a1603abdf31ce3c771afa9c516cbb6119c21af7d) 
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\Assignments;
13use plugin\struct\meta\SchemaData;
14
15class action_plugin_struct_entry extends DokuWiki_Action_Plugin {
16
17
18    /** @var helper_plugin_sqlite */
19    protected $sqlite;
20
21    /**
22     * Registers a callback function for a given event
23     *
24     * @param Doku_Event_Handler $controller DokuWiki's event controller object
25     * @return void
26     */
27    public function register(Doku_Event_Handler $controller) {
28
29        $controller->register_hook('HTML_EDITFORM_OUTPUT', 'BEFORE', $this, 'handle_editform');
30        $controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'handle_pagesave');
31
32    }
33
34    /**
35     * Save values of Schemas but do not interfere with saving the page.
36     *
37     * @param Doku_Event $event  event object by reference
38     * @param mixed      $param  [the parameters passed as fifth argument to register_hook() when this
39     *                           handler was registered]
40     * @return bool
41     */
42    public function handle_pagesave(Doku_Event &$event, $param) {
43        global $ID, $INPUT;
44        if (act_clean($event->data) !== "save") return false;
45
46        /** @var \helper_plugin_struct_db $helper */
47        $helper = plugin_load('helper', 'struct_db');
48        $this->sqlite = $helper->getDB();
49
50        $res = $this->sqlite->query("SELECT tbl FROM schema_assignments WHERE assign = ?",array($ID,));
51        if (!$this->sqlite->res2count($res)) return false;
52
53        $tables = array_map(
54            function ($value) {
55                return $value['tbl'];
56            },
57            $this->sqlite->res2arr($res)
58        );
59        $this->sqlite->res_close($res);
60
61        $structData = $INPUT->arr('Schema');
62        $timestamp = time(); //FIXME we should use the time stamp used to save the page data
63
64        foreach ($tables as $table) {
65            $schema = new SchemaData($table, $ID, $timestamp);
66            if(!$schema->getId()) {
67                // this schema is not available for some reason. skip it
68                continue;
69            }
70
71            $schemaData = $structData[$table];
72            foreach ($schema->getColumns() as $col) {
73                $type = $col->getType();
74                $label = $type->getLabel();
75                if ($type->isMulti() && !is_array($schemaData[$label])) {
76                    $schemaData[$label] = $type->splitValues($schemaData[$label]);
77                }
78            }
79            $schema->saveData($schemaData);
80        }
81        return false;
82    }
83
84    /*
85     * Enhance the editing form with structural data editing
86     *
87     * @param Doku_Event $event  event object by reference
88     * @param mixed      $param  [the parameters passed as fifth argument to register_hook() when this
89     *                           handler was registered]
90     * @return bool
91     */
92    public function handle_editform(Doku_Event $event, $param) {
93        global $ID;
94
95        $assignments = new Assignments();
96        $tables = $assignments->getPageAssignments($ID);
97
98        $html = '';
99        foreach($tables as $table) {
100            $html .= $this->createForm($table);
101        }
102
103        /** @var Doku_Form $form */
104        $form = $event->data;
105        $html = "<div class=\"struct\">$html</div>";
106        $pos = $form->findElementById('wiki__editbar'); // insert the form before the main buttons
107        $form->insertElement($pos, $html);
108
109        return true;
110    }
111
112    /**
113     * Create the form to edit schemadata
114     *
115     * @param string $tablename
116     * @return string The HTML for this schema's form
117     */
118    protected function createForm($tablename) {
119        global $ID;
120        global $REV;
121        $schema = new SchemaData($tablename, $ID, $REV);
122        $schemadata = $schema->getData();
123
124        $html = "<h3>$tablename</h3>";
125        foreach($schemadata as $field) {
126            $label = $field->getColumn()->getLabel();
127            $name = "Schema[$tablename][$label]";
128            $input = $field->getValueEditor($name);
129            $element = "<label>$label $input</label><br />";
130            $html .= $element;
131        }
132
133        return $html;
134    }
135
136}
137
138// vim:ts=4:sw=4:et:
139