MediaWiki  master
CategoryPage.php
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1 <?php
24 
32 class CategoryPage extends Article {
34  protected $mCategoryViewerClass = CategoryViewer::class;
35 
40  protected function newPage( Title $title ) {
41  // Overload mPage with a category-specific page
42  return new WikiCategoryPage( $title );
43  }
44 
45  public function view() {
46  $request = $this->getContext()->getRequest();
47  $diff = $request->getVal( 'diff' );
48 
49  if ( $diff !== null && $this->isDiffOnlyView() ) {
50  parent::view();
51  return;
52  }
53 
54  if ( !$this->getHookRunner()->onCategoryPageView( $this ) ) {
55  return;
56  }
57 
58  $title = $this->getTitle();
59  if ( $title->inNamespace( NS_CATEGORY ) ) {
60  $this->openShowCategory();
61  }
62 
63  parent::view();
64 
65  if ( $title->inNamespace( NS_CATEGORY ) ) {
66  $this->closeShowCategory();
67  }
68 
69  # Use adaptive TTLs for CDN so delayed/failed purges are noticed less often
70  $outputPage = $this->getContext()->getOutput();
71  $outputPage->adaptCdnTTL(
72  $this->getPage()->getTouched(),
73  ExpirationAwareness::TTL_MINUTE
74  );
75  }
76 
77  public function openShowCategory() {
78  # For overloading
79  }
80 
81  public function closeShowCategory() {
82  // Use these as defaults for back compat --catrope
83  $request = $this->getContext()->getRequest();
84  $oldFrom = $request->getVal( 'from' );
85  $oldUntil = $request->getVal( 'until' );
86 
87  $reqArray = $request->getValues();
88 
89  $from = $until = [];
90  foreach ( [ 'page', 'subcat', 'file' ] as $type ) {
91  $from[$type] = $request->getVal( "{$type}from", $oldFrom );
92  $until[$type] = $request->getVal( "{$type}until", $oldUntil );
93 
94  // Do not want old-style from/until propagating in nav links.
95  if ( !isset( $reqArray["{$type}from"] ) && isset( $reqArray["from"] ) ) {
96  $reqArray["{$type}from"] = $reqArray["from"];
97  }
98  if ( !isset( $reqArray["{$type}to"] ) && isset( $reqArray["to"] ) ) {
99  $reqArray["{$type}to"] = $reqArray["to"];
100  }
101  }
102 
103  unset( $reqArray["from"] );
104  unset( $reqArray["to"] );
105 
106  $viewer = new $this->mCategoryViewerClass(
107  $this->getPage(),
108  $this->getContext(),
109  $from,
110  $until,
111  $reqArray
112  );
113  $out = $this->getContext()->getOutput();
114  $out->addHTML( $viewer->getHTML() );
115  $this->addHelpLink( 'Help:Categories' );
116  }
117 }
const NS_CATEGORY
Definition: Defines.php:78
Legacy class representing an editable page and handling UI for some page actions.
Definition: Article.php:61
getContext()
Gets the context this Article is executed in.
Definition: Article.php:2007
getTitle()
Get the title object of the article.
Definition: Article.php:254
isDiffOnlyView()
Definition: Article.php:991
getPage()
Get the WikiPage object of this instance.
Definition: Article.php:264
addHelpLink( $to, $overrideBaseUrl=false)
Adds help link with an icon via page indicators.
Definition: Article.php:1862
Special handling for category description pages.
string $mCategoryViewerClass
Subclasses can change this to override the viewer class.
newPage(Title $title)
view()
This is the default action of the index.php entry point: just view the page of the given title.
Represents a title within MediaWiki.
Definition: Title.php:76
Special handling for representing category pages.
Generic interface providing Time-To-Live constants for expirable object storage.