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扩展:浏览图片

This page is a translated version of the page Extension:BrowseImages and the translation is 47% complete.
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MediaWiki扩展手册
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BrowseImages
发布状态: 测试
实现 用户界面
描述 Adds links for next and previous image to the content actions menu when viewing a page in the Image namespace.
作者 Robert Hänel (roberthaeneltalk)
最新版本 0.1 (2008-04-29)
MediaWiki 1.11
许可协议 未指定许可协议
下载 无链接
$wgBrowseImagesGroupMode
翻译BrowseImages扩展如果在translatewiki.net可用
检查使用和版本矩阵。

这个扩展能做什么?

This extension allows you to alphabetically browse through the images in your wiki by adding two links "Previous" and "Next" to the content actions menu when viewing a page in the Image namespace.

It also features a group mode which is useful for galleries of images whose names match the pattern Image:[some description][numbering].[extension], like for example Image:Flowers 001.jpg to Image:Flowers 199.jpg. If group mode is enabled, you can only browse within that group of images (i.e. the Previous and Next links are disabled when reaching the first and last image, respectively, of the group).

This extension is based on Extension:Back-and-Forth by Rob Church.

下载说明

Please cut and paste the code found below and place it in $IP/extensions/BrowseImages/.

$IP stands for the root directory of your MediaWiki installation, the same directory that holds LocalSettings.php .

安装

要安装此扩展,将下列代码加入LocalSettings.php 即可:

require_once("$IP/extensions/BrowseImages/BrowseImages.php");

If you want to enable the group mode, add the following line too:

$wgBrowseImagesGroupMode = true;

代码

BrowseImages.php

<?php
#
# BrowseImages extension for MediaWiki
#
# Installation:
#	create a new directory extensions/BrowseImages and copy all files there
#	add the following to LocalSettings.php:
#	require_once( "extensions/BrowseImages/BrowseImages.php" );
#
# Options:
#	add the following line to LocalSettings.php if you want to enable group mode:
#	$wgBrowseImagesGroupMode = true;
#	group mode is useful for galleries of images whose names match the pattern
#	Image:[some description][numbering].[extension], like for example
#	'Image:Flowers 001.jpg' to 'Image:Flowers 199.jpg'
#	if group mode is enabled, you can only browse within that group of images
#

if(! defined('MEDIAWIKI')) {
	die("This is a MediaWiki extension and can not be used standalone.\n");
}

$wgAutoloadClasses['BrowseImages'] = dirname( __FILE__ ) . '/BrowseImages.class.php';
$wgExtensionMessagesFiles['BrowseImages'] = dirname(__FILE__) . '/BrowseImages.i18n.php';
$wgExtensionFunctions[] = 'efBrowseImages';
$wgExtensionCredits['other'][] = array(
	'name' => 'BrowseImages',
	'description' => 'Adds links for next and previous image to the content actions menu
		when viewing a page in the Image namespace.',
	'version' => '0.1',
	'author' => 'Robert H&auml;nel',
	'url' => 'https://www.mediawiki.org/wiki/Extension:BrowseImages'
);

function efBrowseImages() {
	global $wgHooks;
	wfLoadExtensionMessages( 'BrowseImages' );
	$wgHooks['SkinTemplateContentActions'][] = 'BrowseImages::contentActionsHook';
}

BrowseImages.class.php

<?php

class BrowseImages {

	public static function contentActionsHook( &$content_actions) {
		global $wgTitle;
		if ( $wgTitle->getNamespace() == NS_IMAGE ) {
			foreach( array( 'prev' => '<', 'next' => '>' ) as $kind => $op ) {
				$link = self::getLink( $wgTitle, $op );
				$class = $link ? false : 'inactive';
				$action = $kind . 'img';
				$content_actions[$action] = array(
					'class' => $class,
					'text' => htmlspecialchars( wfMsg( "browseimages-{$kind}" ) ),
					'href' => $link
				);
			}
		}
		return true;
	}

	private static function getLink( $title, $op ) {
		global $wgBrowseImagesGroupMode;
		$dbr = wfGetDB( DB_SLAVE );
		$res = $dbr->select(
			'page',
			array( 'page_namespace', 'page_title' ),
			array(
				'page_is_redirect' => 0,
				'page_namespace' => $title->getNamespace(),
				"page_title {$op} " . $dbr->addQuotes( $title->getDBkey() ),
			),
			__METHOD__,
			array(
				'ORDER BY' => 'page_title' . ( $op == '<' ? ' DESC' : '' ),
				'LIMIT' => 1,
			)
		);
		if( $dbr->numRows( $res ) > 0 ) {
			$row = $dbr->fetchObject( $res );
			$dbr->freeResult( $res );
			$target = Title::makeTitleSafe( $row->page_namespace, $row->page_title );
			if( $target instanceof Title ) {
				if ($wgBrowseImagesGroupMode) {
					$titlegroup = '';
					$targetgroup = '';
					$regex = '/^(.+)\D\d+(\.\w+)?/';
					if (preg_match($regex, $title, $matches)) {
						$titlegroup = $matches[1];
					}
					if (preg_match($regex, $target, $matches)) {
						$targetgroup = $matches[1];
					}
					if ((!empty($titlegroup)) && ($titlegroup === $targetgroup)) {
						return $target->escapeLocalURL();
					}
				} else {
					return $target->escapeLocalURL();
				}
			}
		}
		return false;
	}

}

BrowseImages.i18n.php

<?php

$messages = array();

$messages['en'] = array(
	'browseimages-next' => 'Next',
	'browseimages-prev' => 'Previous',
);

$messages['de'] = array(
	'browseimages-next' => 'Vor',
	'browseimages-prev' => 'Zurück',
);
	
$messages['zh-tw'] = array(
	'browseimages-next' => '下一張',
	'browseimages-prev' => '前一張',
);

$messages['es'] = array(
	'browseimages-next' => 'Siguiente',
	'browseimages-prev' => 'Anterior',
);

$messages['ru'] = array(
	'browseimages-next' => 'Следующий',
	'browseimages-prev' => 'Предыдущий',
);

参见