User:Samwilson/PreviewWhileEditing.js
Jump to navigation
Jump to search
Note: After saving, you have to bypass your browser's cache to see the changes. Internet Explorer: press Ctrl-F5, Mozilla: hold down Shift while clicking Reload (or press Ctrl-Shift-R), Opera/Konqueror: press F5, Safari: hold down Shift + Alt while clicking Reload, Chrome: hold down Shift while clicking Reload.
 |
Documentation for this user script can be added at User:Samwilson/PreviewWhileEditing. |
/**
* A user script to add a preview image above the edit box on File pages.
*
* Install with:
* mw.loader.load( 'https://commons.wikimedia.org/w/index.php?title=User:Samwilson/PreviewWhileEditing.js&action=raw&ctype=text/javascript' );
*
*/
PreviewWhileEditing = {
main: function () {
var isEditing = $.inArray( mw.config.get( 'wgAction' ), [ 'edit', 'submit' ] ) !== -1,
isFile = mw.config.get( 'wgCanonicalNamespace' ) === 'File';
if ( !isEditing || !isFile ) {
// Only support preview in File NS.
return;
}
new mw.Api().get( {
action: 'query',
prop: 'imageinfo',
titles: mw.config.get( 'wgPageName' ),
iiprop: 'url|metadata',
iiurlwidth: 800
} )
.done( this.addImage );
},
addImage: function ( imageInfo ) {
var info = imageInfo.query.pages[ mw.config.get( 'wgArticleId' ) ].imageinfo[ 0 ],
para = document.createElement( 'p' ),
br = document.createElement( 'p' ),
img = document.createElement( 'img' ),
contentSub = document.getElementById( 'contentSub' ),
metadata = 'Metadata — ';
// Go through EXIF metadata.
if ( info.metadata === null ) {
metadata += 'No metadata found.';
} else {
info.metadata.forEach( function( item ) {
[ 'Make', 'Model', 'DateTimeOriginal', 'CreateDate' ].forEach( function ( tag ) {
if ( item.name === tag ) {
metadata += tag + ': ' + item.value + '; ';
}
} );
});
}
// Construct output HTML.
img.src = info.thumburl;
para.className = 'preview-while-editing';
para.append( img, metadata );
contentSub.append( para );
}
};
PreviewWhileEditing.main();