xref: /plugin/struct/action/entry.php (revision a8b9fb5be080ac101c3f428022e0c7f423299291) 
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        $assignments = new Assignments();
47        $tables = $assignments->getPageAssignments($ID);
48        $structData = $INPUT->arr('Schema');
49        $timestamp = time(); //FIXME we should use the time stamp used to save the page data
50
51        foreach ($tables as $table) {
52            $schema = new SchemaData($table, $ID, $timestamp);
53            if(!$schema->getId()) {
54                // this schema is not available for some reason. skip it
55                continue;
56            }
57
58            $schemaData = $structData[$table];
59            foreach ($schema->getColumns() as $col) {
60                $type = $col->getType();
61                $label = $type->getLabel();
62                if ($type->isMulti() && !is_array($schemaData[$label])) {
63                    $schemaData[$label] = $type->splitValues($schemaData[$label]);
64                }
65            }
66            $schema->saveData($schemaData);
67        }
68        return false;
69    }
70
71    /*
72     * Enhance the editing form with structural data editing
73     *
74     * @param Doku_Event $event  event object by reference
75     * @param mixed      $param  [the parameters passed as fifth argument to register_hook() when this
76     *                           handler was registered]
77     * @return bool
78     */
79    public function handle_editform(Doku_Event $event, $param) {
80        global $ID;
81
82        $assignments = new Assignments();
83        $tables = $assignments->getPageAssignments($ID);
84
85        $html = '';
86        foreach($tables as $table) {
87            $html .= $this->createForm($table);
88        }
89
90        /** @var Doku_Form $form */
91        $form = $event->data;
92        $html = "<div class=\"struct\">$html</div>";
93        $pos = $form->findElementById('wiki__editbar'); // insert the form before the main buttons
94        $form->insertElement($pos, $html);
95
96        return true;
97    }
98
99    /**
100     * Create the form to edit schemadata
101     *
102     * @param string $tablename
103     * @return string The HTML for this schema's form
104     */
105    protected function createForm($tablename) {
106        global $ID;
107        global $REV;
108        $schema = new SchemaData($tablename, $ID, $REV);
109        $schemadata = $schema->getData();
110
111        $html = "<h3>$tablename</h3>";
112        foreach($schemadata as $field) {
113            $label = $field->getColumn()->getLabel();
114            $trans = hsc($field->getColumn()->getTranslatedLabel());
115            $name = "Schema[$tablename][$label]";
116            $input = $field->getValueEditor($name);
117            $element = "<label>$trans $input</label><br />";
118            $html .= $element;
119        }
120
121        return $html;
122    }
123
124}
125
126// vim:ts=4:sw=4:et:
127