From OrganicDesign Wiki
<?php
# Extension:EasyGallery
# - Licenced under LGPL (http://www.gnu.org/copyleft/lesser.html)
# - Author: [http://www.flashkiwi.com Jack Henderson]
if (!defined('MEDIAWIKI')) die('Not an entry point.');
define('EASYGALLERY_VERSION','1.0.0, 2009-06-15');
$wgExtensionFunctions[] = 'wfSetupEasyGallery';
$wgExtensionCredits['specialpage'][] = array(
'name' => 'Special:EasyGallery',
'author' => '[http://www.flashkiwi.com Jack Henderson]',
'description' => 'An special page for creating a gallery, made with [http://www.organicdesign.co.nz/Template:SpecialPage Template:SpecialPage].',
'url' => 'http://www.organicdesign.co.nz/Extension:EasyGallery',
'version' => EASYGALLERY_VERSION
);
require_once "$IP/includes/SpecialPage.php";
# Define a new class based on the SpecialPage class
class SpecialEasyGallery extends SpecialPage {
# Constructor
function __construct() {
global $wgHooks, $wgParser;
SpecialPage::SpecialPage(
'EasyGallery', # name as seen in links etc
'sysop', # user rights required
true, # listed in special:specialpages
false, # function called by execute() - defaults to wfSpecial{$name}
false, # file included by execute() - defaults to Special{$name}.php, only used if no function
false # includable
);
}
# Override SpecialPage::execute()
# $param is from the URL, eg Special:{{{name}}}/param
function execute($param) {
global $wgOut, $wgRequest, $wgTitle, $wgUser, $wgMessageCache;
$this->setHeaders();
$title = Title::makeTitle(NS_SPECIAL,'EasyGallery');
$par = 8;
# The $param is the number of text inputs to be replicated in the form
if (isset($param)) $par = $param;
# If posted, we want to keep $par from the previous execution so we extract data from the hidden field
else if ($wgRequest->getText('wpParam', "")) $par = $wgRequest->getText('wpParam', "");
# A low default to encourage users to use the switch
else $par = 8;
# Extract any posted data
$posted = $wgRequest->getText('wpSubmit', false);
# Extract any contents of fields
$gtitle = $wgRequest->getText('wpGtitle', "");
$width = $wgRequest->getText('wpWidth', "");
$column = $wgRequest->getText('wpColumn', "");
# Render the form
$wgOut->addWikiText(wfMsg('easygalleryMessage', 'easygalleryParameter'));
$wgOut->addHTML(
wfElement('form', array('action' => $title->getLocalURL('action=submit'), 'method' => 'post'), null)
. "<br /><p><b>Usage</b></p>
<p>This form creates a gallery in the page you enter below, whether the page exists or not.</p>
<p>If there is already text in the page it will be retained but an existing gallery will be replaced by this one. You can have one gallery per page.</p>
<p>This extension defaults to 8 pictures (plus captions), unless the number of pictures in your intended gallery is added to the address bar title, for example for five images:
http://localhost/wiki/index.php/Special:EasyGallery/5</p>
<p>Here is the expected form of the picture and the caption:
Image:Example.jpg
Example Caption</p>
<p>You can upload your pictures by clicking <a href='" . $wgServer . $wgScript . "/Special:Upload' target='_blank'>Special:Upload</a>.</p>
<p>You can access the names of images already uploaded by clicking <a href='" . $wgServer . $wgScript . "/Special:ImageList' target='_blank'>Special:ImageList</a>.</p>
<p>Press the Submit Query button, then you can go to the page and edit it normally if you want.</p>
<br/ >
<p><b>Page Setup</b></p>
<p>What is the title of the page your gallery will be in? This is a compulsory field.</p>
<input name='wpGtitle' size = '35' />
<p>How many columns do you want the easygallery to have? If you leave the field empty it is 2.</p>
<input name='wpColumn' size = '10' />
<p>How wide do you want each thumbnail to be (in pixels)? Empty field is 150.</p>
<input name='wpWidth' size = '10' />
<input type='hidden' name='wpParam' value=$par><br /><br />"
);
# Render multiple inputs using the /$par from the url
for ($ctr = 1; $ctr <= $par; $ctr++) {
$wgOut->addHTML(
"<p><b>Gallery " . $ctr ."</b></p>
<p>The image you want for the thumbnail.</p>
<input name='wpUrl" . $ctr . "' size = '50' />
<p>The caption for this image.</p>
<input name='wpCaption" . $ctr . "' size = '50' />"
);
}
# Post
$wgOut->addHTML(
"<br /><br />"
. wfElement('input', array('name' => 'wpSubmit', 'type' => 'submit'))
. "<br /><br />"
);
# Process results if data posted
if ($posted) {
# Defaults for posted style elements
if ($width == "") $width = 200;
if ($column == "") $column = 2;
# Build tag
$tag = "<
gallery widths='".$width."px' perrow='".$column."'>\n";
# Some arrays to populate with loops
$url[] = array();
$caption[] = array();
# Make some variables out of the posted fields
for ($n = 1; $n <= $par; $n++) {
$url[$n] = $wgRequest->getText('wpUrl' . $n, "");
$caption[$n] = $wgRequest->getText('wpCaption' . $n, "");
}
for ($n = 1; $n <= $par; $n++) {
if ($url[$n] != "") {
$tag .= $url[$n] . "|<center>". $caption[$n] ."</center>\n";
}
}
$tag .= "</gallery>";
if ($wgUser->isAllowed('edit')) {
$title = Title::newFromText( $gtitle );
if (trim($wgRequest->getText('wpGtitle'))=='') {
$wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
$wgOut->errorpage( 'badtitle', 'badtitletext');
}
# Make the new page if no page exists.
if ((isset($title)) && ($title->getArticleID() == 0)) {
$article = new Article($title);
$article->doEdit($tag, "", EDIT_NEW);
$wgOut->addHTML(wfMsg('easygallerySuccessMessage'));
}
#If the page exists, extract the existing text and replace
elseif ((isset($title)) && ($title->getArticleID() != 0)) {
$article = new Article($title, 0);
$original = $article->fetchContent(0);
$intro = preg_replace("%<gallery.*%is","",$original);
$outro = preg_replace("%.*</gallery>%is","",$original);
$tag = $intro.$tag.$outro;
$article->doEdit($tag, "", EDIT_UPDATE);
$wgOut->addHTML(wfMsg('easygallerySuccessMessage'));
}
else {
$wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
$wgOut->errorpage( 'error', 'badtitletext');
}
}
else {
$wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
$wgOut->errorpage( 'error', 'badarticleerror');
}
}
}
}
# Called from $wgExtensionFunctions array when initialising extensions
function wfSetupEasyGallery() {
global $wgLanguageCode,$wgMessageCache,$wgUser,$wgRequest;
# Ensure the code only runs if it is a Easygallery and the user is logged in
$sgnewtitle = Title::newFromText($wgRequest->getText('title'));
if (preg_match('%(EasyGallery)(.*)%',$sgnewtitle) && !$wgUser->isAnon()) {
# Add the messages used by the specialpage
# if ($wgLanguageCode == 'en') {
$wgMessageCache->addMessages(array(
'easygallery' => 'EasyGallery Specialpage', # The friendly page title
'easygalleryMessage' => "EasyGallery: <tt>Use this special page to create a gallery</tt>",
'easygallerySuccessMessage' => "<br /><b>EasyGallery has successfully posted your data.</b><br />")
);
# }
# Add the special page to the environment
SpecialPage::addPage(new SpecialEasyGallery());
}
}
