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42 |
1 | <?php |
2 | |
3 | use MediaWiki\MediaWikiServices; |
4 | |
5 | /** |
6 | * Handles the formcreate action - used for helper forms for creating |
7 | * properties, forms, etc.. |
8 | * |
9 | * @author Yaron Koren |
10 | * @file |
11 | * @ingroup PF |
12 | */ |
13 | |
14 | class PFHelperFormAction extends Action { |
15 | |
16 | /** |
17 | * Return the name of the action this object responds to |
18 | * @return string lowercase |
19 | */ |
20 | public function getName() { |
21 | return 'formcreate'; |
22 | } |
23 | |
24 | /** |
25 | * The main action entry point. Do all output for display and send it to the context |
26 | * output. Do not use globals $wgOut, $wgRequest, etc, in implementations; use |
27 | * $this->getOutput(), etc. |
28 | * @throws ErrorPageError |
29 | * @return false |
30 | */ |
31 | public function show() { |
32 | return self::displayForm( $this->getArticle() ); |
33 | } |
34 | |
35 | /** |
36 | * Execute the action in a silent fashion: do not display anything or release any errors. |
37 | * @return bool whether execution was successful |
38 | */ |
39 | public function execute() { |
40 | return true; |
41 | } |
42 | |
43 | /** |
44 | * Handler for the SkinTemplateNavigation hook. |
45 | * |
46 | * Adds an "action" (i.e., a tab) to edit the current article with |
47 | * a form |
48 | * @param SkinTemplate $obj |
49 | * @param array &$links |
50 | */ |
51 | static function displayTab( $obj, &$links ) { |
52 | $title = $obj->getTitle(); |
53 | $user = $obj->getUser(); |
54 | |
55 | // Make sure that this page is in one of the relevant |
56 | // namespaces, and that it doesn't exist yet. |
57 | $namespacesWithHelperForms = [ NS_TEMPLATE, PF_NS_FORM, NS_CATEGORY ]; |
58 | if ( defined( 'SMW_NS_PROPERTY' ) ) { |
59 | $namespacesWithHelperForms[] = SMW_NS_PROPERTY; |
60 | } |
61 | if ( !isset( $title ) || |
62 | ( !in_array( $title->getNamespace(), $namespacesWithHelperForms ) ) ) { |
63 | return; |
64 | } |
65 | if ( $title->exists() ) { |
66 | return; |
67 | } |
68 | |
69 | // The tab should show up automatically for properties and |
70 | // forms, but not necessarily for templates and categories, |
71 | // since some of them might be outside of the SMW/PF system. |
72 | if ( in_array( $title->getNamespace(), [ NS_TEMPLATE, NS_CATEGORY ] ) ) { |
73 | global $wgPageFormsShowTabsForAllHelperForms; |
74 | if ( !$wgPageFormsShowTabsForAllHelperForms ) { |
75 | return; |
76 | } |
77 | } |
78 | |
79 | $content_actions = &$links['views']; |
80 | |
81 | $permissionManager = MediaWikiServices::getInstance()->getPermissionManager(); |
82 | $userCanEdit = $permissionManager->userCan( 'edit', $user, $title ); |
83 | $form_create_tab_text = ( $userCanEdit ) ? 'pf_formcreate' : 'pf_viewform'; |
84 | |
85 | $class_name = ( $obj->getRequest()->getVal( 'action' ) == 'formcreate' ) ? 'selected' : ''; |
86 | $form_create_tab = [ |
87 | 'class' => $class_name, |
88 | 'text' => wfMessage( $form_create_tab_text )->text(), |
89 | 'href' => $title->getLocalURL( 'action=formcreate' ) |
90 | ]; |
91 | |
92 | // Find the location of the 'create' tab, and add 'create |
93 | // with form' right before it. |
94 | // This is a "key-safe" splice - it preserves both the keys |
95 | // and the values of the array, by editing them separately |
96 | // and then rebuilding the array. Based on the example at |
97 | // http://us2.php.net/manual/en/function.array-splice.php#31234 |
98 | $tab_keys = array_keys( $content_actions ); |
99 | $tab_values = array_values( $content_actions ); |
100 | $edit_tab_location = array_search( 'edit', $tab_keys ); |
101 | |
102 | // If there's no 'edit' tab, look for the 'view source' tab |
103 | // instead. |
104 | if ( $edit_tab_location == null ) { |
105 | $edit_tab_location = array_search( 'viewsource', $tab_keys ); |
106 | } |
107 | |
108 | // This should rarely happen, but if there was no edit *or* |
109 | // view source tab, set the location index to -1, so the |
110 | // tab shows up near the end. |
111 | if ( $edit_tab_location == null ) { |
112 | $edit_tab_location = -1; |
113 | } |
114 | array_splice( $tab_keys, $edit_tab_location, 0, 'formedit' ); |
115 | array_splice( $tab_values, $edit_tab_location, 0, [ $form_create_tab ] ); |
116 | $content_actions = []; |
117 | foreach ( $tab_keys as $i => $key ) { |
118 | $content_actions[$key] = $tab_values[$i]; |
119 | } |
120 | |
121 | if ( !$obj->getUser()->isAllowed( 'viewedittab' ) ) { |
122 | // The tab can have either of these two actions. |
123 | unset( $content_actions['edit'] ); |
124 | unset( $content_actions['viewsource'] ); |
125 | } |
126 | } |
127 | |
128 | /** |
129 | * The function called if we're in index.php (as opposed to one of the |
130 | * special pages). |
131 | * @param Article $article |
132 | * @return false |
133 | */ |
134 | private static function displayForm( $article ) { |
135 | $title = $article->getTitle(); |
136 | if ( defined( 'SMW_NS_PROPERTY' ) && $title->getNamespace() == SMW_NS_PROPERTY ) { |
137 | $createPropertyPage = new PFCreateProperty(); |
138 | $createPropertyPage->execute( $title->getText() ); |
139 | } elseif ( $title->getNamespace() == NS_TEMPLATE ) { |
140 | $createTemplatePage = new PFCreateTemplate(); |
141 | $createTemplatePage->execute( $title->getText() ); |
142 | } elseif ( $title->getNamespace() == PF_NS_FORM ) { |
143 | $createFormPage = new PFCreateForm(); |
144 | $createFormPage->execute( $title->getText() ); |
145 | } elseif ( $title->getNamespace() == NS_CATEGORY ) { |
146 | $createCategoryPage = new PFCreateCategory(); |
147 | $createCategoryPage->execute( $title->getText() ); |
148 | } |
149 | |
150 | return false; |
151 | } |
152 | } |