' ).append(
$( '| ' ),
$( ' | ' ).attr( 'id', 'mw-license-preview' )
)
);
}
// fillDestFile setup
$.each( mw.config.get( 'wgUploadSourceIds' ), function ( index, sourceId ) {
$( '#' + sourceId ).change( function () {
var path, slash, backslash, fname;
if ( !mw.config.get( 'wgUploadAutoFill' ) ) {
return;
}
// Remove any previously flagged errors
$( '#mw-upload-permitted' ).attr( 'class', '' );
$( '#mw-upload-prohibited' ).attr( 'class', '' );
path = $( this ).val();
// Find trailing part
slash = path.lastIndexOf( '/' );
backslash = path.lastIndexOf( '\\' );
if ( slash === -1 && backslash === -1 ) {
fname = path;
} else if ( slash > backslash ) {
fname = path.slice( slash + 1 );
} else {
fname = path.slice( backslash + 1 );
}
// Clear the filename if it does not have a valid extension.
// URLs are less likely to have a useful extension, so don't include them in the
// extension check.
if (
mw.config.get( 'wgCheckFileExtensions' ) &&
mw.config.get( 'wgStrictFileExtensions' ) &&
mw.config.get( 'wgFileExtensions' ) &&
$( this ).attr( 'id' ) !== 'wpUploadFileURL'
) {
if (
fname.lastIndexOf( '.' ) === -1 ||
$.inArray(
fname.slice( fname.lastIndexOf( '.' ) + 1 ).toLowerCase(),
$.map( mw.config.get( 'wgFileExtensions' ), function ( element ) {
return element.toLowerCase();
} )
) === -1
) {
// Not a valid extension
// Clear the upload and set mw-upload-permitted to error
$( this ).val( '' );
$( '#mw-upload-permitted' ).attr( 'class', 'error' );
$( '#mw-upload-prohibited' ).attr( 'class', 'error' );
// Clear wpDestFile as well
$( '#wpDestFile' ).val( '' );
return false;
}
}
// Replace spaces by underscores
fname = fname.replace( / /g, '_' );
// Capitalise first letter if needed
if ( mw.config.get( 'wgCapitalizeUploads' ) ) {
fname = fname[ 0 ].toUpperCase() + fname.slice( 1 );
}
// Output result
if ( $( '#wpDestFile' ).length ) {
// Call decodeURIComponent function to remove possible URL-encoded characters
// from the file name (bug 30390). Especially likely with upload-form-url.
// decodeURIComponent can throw an exception if input is invalid utf-8
try {
$( '#wpDestFile' ).val( decodeURIComponent( fname ) );
} catch ( err ) {
$( '#wpDestFile' ).val( fname );
}
uploadWarning.checkNow( fname );
}
} );
} );
} );
// Add a preview to the upload form
$( function () {
/**
* Is the FileAPI available with sufficient functionality?
*/
function hasFileAPI() {
return window.FileReader !== undefined;
}
/**
* Check if this is a recognizable image type...
* Also excludes files over 10M to avoid going insane on memory usage.
*
* TODO: Is there a way we can ask the browser what's supported in `![]() `s?
*
* TODO: Put SVG back after working around Firefox 7 bug
*
* @param {File} file
* @return {boolean}
*/
function fileIsPreviewable( file ) {
var known = [ 'image/png', 'image/gif', 'image/jpeg', 'image/svg+xml' ],
tooHuge = 10 * 1024 * 1024;
return ( $.inArray( file.type, known ) !== -1 ) && file.size > 0 && file.size < tooHuge;
}
/**
* Format a file size attractively.
*
* TODO: Match numeric formatting
*
* @param {number} s
* @return {string}
*/
function prettySize( s ) {
var sizeMsgs = [ 'size-bytes', 'size-kilobytes', 'size-megabytes', 'size-gigabytes' ];
while ( s >= 1024 && sizeMsgs.length > 1 ) {
s /= 1024;
sizeMsgs = sizeMsgs.slice( 1 );
}
return mw.msg( sizeMsgs[ 0 ], Math.round( s ) );
}
/**
* Show a thumbnail preview of PNG, JPEG, GIF, and SVG files prior to upload
* in browsers supporting HTML5 FileAPI.
*
* As of this writing, known good:
*
* - Firefox 3.6+
* - Chrome 7.something
*
* TODO: Check file size limits and warn of likely failures
*
* @param {File} file
*/
function showPreview( file ) {
var $canvas,
ctx,
meta,
previewSize = 180,
$spinner = $.createSpinner( { size: 'small', type: 'block' } )
.css( { width: previewSize, height: previewSize } ),
thumb = mw.template.get( 'mediawiki.special.upload', 'thumbnail.html' ).render();
thumb
.find( '.filename' ).text( file.name ).end()
.find( '.fileinfo' ).text( prettySize( file.size ) ).end()
.find( '.thumbinner' ).prepend( $spinner ).end();
$canvas = $( ' |