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author | Pierre Schmitz <pierre@archlinux.de> | 2011-06-22 11:28:20 +0200 |
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committer | Pierre Schmitz <pierre@archlinux.de> | 2011-06-22 11:28:20 +0200 |
commit | 9db190c7e736ec8d063187d4241b59feaf7dc2d1 (patch) | |
tree | 46d1a0dee7febef5c2d57a9f7b972be16a163b3d /includes/media/MediaTransformOutput.php | |
parent | 78677c7bbdcc9739f6c10c75935898a20e1acd9e (diff) |
update to MediaWiki 1.17.0
Diffstat (limited to 'includes/media/MediaTransformOutput.php')
-rw-r--r-- | includes/media/MediaTransformOutput.php | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/includes/media/MediaTransformOutput.php b/includes/media/MediaTransformOutput.php new file mode 100644 index 00000000..c441f06c --- /dev/null +++ b/includes/media/MediaTransformOutput.php @@ -0,0 +1,255 @@ +<?php +/** + * Base class for the output of file transformation methods. + * + * @file + * @ingroup Media + */ + +/** + * Base class for the output of MediaHandler::doTransform() and File::transform(). + * + * @ingroup Media + */ +abstract class MediaTransformOutput { + var $file, $width, $height, $url, $page, $path; + + /** + * Get the width of the output box + */ + function getWidth() { + return $this->width; + } + + /** + * Get the height of the output box + */ + function getHeight() { + return $this->height; + } + + /** + * @return string The thumbnail URL + */ + function getUrl() { + return $this->url; + } + + /** + * @return String: destination file path (local filesystem) + */ + function getPath() { + return $this->path; + } + + /** + * Fetch HTML for this transform output + * + * @param $options Associative array of options. Boolean options + * should be indicated with a value of true for true, and false or + * absent for false. + * + * alt Alternate text or caption + * desc-link Boolean, show a description link + * file-link Boolean, show a file download link + * custom-url-link Custom URL to link to + * custom-title-link Custom Title object to link to + * valign vertical-align property, if the output is an inline element + * img-class Class applied to the <img> tag, if there is such a tag + * + * For images, desc-link and file-link are implemented as a click-through. For + * sounds and videos, they may be displayed in other ways. + * + * @return string + */ + abstract function toHtml( $options = array() ); + + /** + * This will be overridden to return true in error classes + */ + function isError() { + return false; + } + + /** + * Wrap some XHTML text in an anchor tag with the given attributes + */ + protected function linkWrap( $linkAttribs, $contents ) { + if ( $linkAttribs ) { + return Xml::tags( 'a', $linkAttribs, $contents ); + } else { + return $contents; + } + } + + function getDescLinkAttribs( $title = null, $params = '' ) { + $query = $this->page ? ( 'page=' . urlencode( $this->page ) ) : ''; + if( $params ) { + $query .= $query ? '&'.$params : $params; + } + $attribs = array( + 'href' => $this->file->getTitle()->getLocalURL( $query ), + 'class' => 'image', + ); + if ( $title ) { + $attribs['title'] = $title; + } + return $attribs; + } +} + + +/** + * Media transform output for images + * + * @ingroup Media + */ +class ThumbnailImage extends MediaTransformOutput { + + /** + * @param $file File object + * @param $url String: URL path to the thumb + * @param $width Integer: file's width + * @param $height Integer: file's height + * @param $path String: filesystem path to the thumb + * @param $page Integer: page number, for multipage files + * @private + */ + function __construct( $file, $url, $width, $height, $path = false, $page = false ) { + $this->file = $file; + $this->url = $url; + # These should be integers when they get here. + # If not, there's a bug somewhere. But let's at + # least produce valid HTML code regardless. + $this->width = round( $width ); + $this->height = round( $height ); + $this->path = $path; + $this->page = $page; + } + + /** + * Return HTML <img ... /> tag for the thumbnail, will include + * width and height attributes and a blank alt text (as required). + * + * @param $options Associative array of options. Boolean options + * should be indicated with a value of true for true, and false or + * absent for false. + * + * alt HTML alt attribute + * title HTML title attribute + * desc-link Boolean, show a description link + * file-link Boolean, show a file download link + * valign vertical-align property, if the output is an inline element + * img-class Class applied to the \<img\> tag, if there is such a tag + * desc-query String, description link query params + * custom-url-link Custom URL to link to + * custom-title-link Custom Title object to link to + * custom target-link Value of the target attribute, for custom-target-link + * + * For images, desc-link and file-link are implemented as a click-through. For + * sounds and videos, they may be displayed in other ways. + * + * @return string + */ + function toHtml( $options = array() ) { + if ( count( func_get_args() ) == 2 ) { + throw new MWException( __METHOD__ .' called in the old style' ); + } + + $alt = empty( $options['alt'] ) ? '' : $options['alt']; + + $query = empty( $options['desc-query'] ) ? '' : $options['desc-query']; + + if ( !empty( $options['custom-url-link'] ) ) { + $linkAttribs = array( 'href' => $options['custom-url-link'] ); + if ( !empty( $options['title'] ) ) { + $linkAttribs['title'] = $options['title']; + } + if ( !empty( $options['custom-target-link'] ) ) { + $linkAttribs['target'] = $options['custom-target-link']; + } + } elseif ( !empty( $options['custom-title-link'] ) ) { + $title = $options['custom-title-link']; + $linkAttribs = array( + 'href' => $title->getLinkUrl(), + 'title' => empty( $options['title'] ) ? $title->getFullText() : $options['title'] + ); + } elseif ( !empty( $options['desc-link'] ) ) { + $linkAttribs = $this->getDescLinkAttribs( empty( $options['title'] ) ? null : $options['title'], $query ); + } elseif ( !empty( $options['file-link'] ) ) { + $linkAttribs = array( 'href' => $this->file->getURL() ); + } else { + $linkAttribs = false; + } + + $attribs = array( + 'alt' => $alt, + 'src' => $this->url, + 'width' => $this->width, + 'height' => $this->height, + ); + if ( !empty( $options['valign'] ) ) { + $attribs['style'] = "vertical-align: {$options['valign']}"; + } + if ( !empty( $options['img-class'] ) ) { + $attribs['class'] = $options['img-class']; + } + return $this->linkWrap( $linkAttribs, Xml::element( 'img', $attribs ) ); + } + +} + +/** + * Basic media transform error class + * + * @ingroup Media + */ +class MediaTransformError extends MediaTransformOutput { + var $htmlMsg, $textMsg, $width, $height, $url, $path; + + function __construct( $msg, $width, $height /*, ... */ ) { + $args = array_slice( func_get_args(), 3 ); + $htmlArgs = array_map( 'htmlspecialchars', $args ); + $htmlArgs = array_map( 'nl2br', $htmlArgs ); + + $this->htmlMsg = wfMsgReplaceArgs( htmlspecialchars( wfMsgGetKey( $msg, true ) ), $htmlArgs ); + $this->textMsg = wfMsgReal( $msg, $args ); + $this->width = intval( $width ); + $this->height = intval( $height ); + $this->url = false; + $this->path = false; + } + + function toHtml( $options = array() ) { + return "<div class=\"MediaTransformError\" style=\"" . + "width: {$this->width}px; height: {$this->height}px; display:inline-block;\">" . + $this->htmlMsg . + "</div>"; + } + + function toText() { + return $this->textMsg; + } + + function getHtmlMsg() { + return $this->htmlMsg; + } + + function isError() { + return true; + } +} + +/** + * Shortcut class for parameter validation errors + * + * @ingroup Media + */ +class TransformParameterError extends MediaTransformError { + function __construct( $params ) { + parent::__construct( 'thumbnail_error', + max( isset( $params['width'] ) ? $params['width'] : 0, 120 ), + max( isset( $params['height'] ) ? $params['height'] : 0, 120 ), + wfMsg( 'thumbnail_invalid_params' ) ); + } +} |