MediaWiki:Gadget-newTopicOnTop.js

( function () {

var isVe = false;

function main() {
	var decodedQuery, textboxContent, textboxContentWithoutComments,
		$textbox = $( '#wpTextbox1' ),
		$summary = $( '#wpSummary' ),
		summary = $summary.val();

	function transferHeadingToSummary() {
		var matches, heading, summary,
			textboxContent = $textbox.textSelection( 'getContents' );

		// Remove HTML comments
		textboxContent = textboxContent && textboxContent.replace( /<!--[^]*?-->/g, '' );
		matches = textboxContent && textboxContent.match( /^==(.+)==/m );
		if ( !matches ) {
			return;
		}

		heading = matches[ 1 ]
			// Constructs like [[Namespace:Page|<empty string>]]
			.replace( /\[\[:?(?:[^:\]]+?:)?([^|\]]+)\|\]\]/g, '$1' )
			// Extract displayed text from wikilinks
			.replace( /\[\[:?(?:[^|\]]+\|)?(.+?)\]\]/g, '$1' )
			// Extract displayed text from links
			.replace(/\[https?:\/\/[^\]\[<>" ]+ *([^\]]*)\]/g, '$1')
			// Remove bold
			.replace( /'''(.+?)'''/g, '$1' )
			// Remove italics
			.replace( /''(.+?)''/g, '$1' )
			// Remove opening tags (won't work with <smth param=">">, but wikiparser fails too)
			.replace( /<\w+( [\w ]+?=[^<>]+?| ?\/?)>/g, '' )
			// Remove closing tags
			.replace( /<\/\w+ ?>/g, '' )
			// Remove multiple spaces
			.replace( / {2,}/g, ' ' )
			.trim();
		if ( !heading ) {
			return;
		}

		if ( isVe ) {
			$summary = $( '.ve-ui-mwSaveDialog-summary textarea' );
		}
		summary = $summary.val();
		if ( summary === undefined ) {
			return;
		}

		$summary
			.val( /\/\*.*\*\//.test( summary ) ?
				'/* ' + heading + ' */' + summary.substr( summary.indexOf( '*/' ) + 2 ) :
				'/* ' + heading + ' */ ' + summary
			)
			.trigger( 'change' );
	}

	try {
		decodedQuery = decodeURIComponent( location.search );
	} catch ( e ) {}

	if ( decodedQuery &&
		$textbox.length &&
		( /[?&]summary=\/\*[+ ]*\*\//.test( decodedQuery ) ||
			( mw.config.get( 'wgAction' ) === 'submit' &&
				summary !== undefined &&
				/\/\*\s*\*\//.test( summary )
			)
		)
	) {
		if ( mw.config.get( 'wgAction' ) !== 'submit' ) {
			textboxContent = $textbox.textSelection( 'getContents' );
			// Remove HTML comments
			textboxContentWithoutComments = textboxContent && textboxContent.replace( /<!--[^]*?-->/g, '' );
			if ( !/^==.+==/m.test( textboxContentWithoutComments ) ) {
				$textbox
					.focus()
					.textSelection( 'setContents',
						// '' for isVe until T198010 (clause 2) is fixed
						textboxContent + '\n==  ==' + ( isVe ? '' : '\n' )
					)
					.textSelection( 'setSelection', { start: $textbox.textSelection( 'getContents' ).length - 4 } );
			}
		}

		// Workaround until T197632 is fixed. The handler will run twice in most cases.
		// ".CodeMirror-code" for Chrome, focusin on ".editOptions" for Firefox.
		$textbox.add( '.CodeMirror-code' ).blur( transferHeadingToSummary );
		$( '.editOptions' ).focusin( transferHeadingToSummary );
		mw.hook( 've.saveDialog.stateChanged' ).add( transferHeadingToSummary );
	}
}

mw.hook( 'wikipage.editform' ).add( main );

mw.hook( 've.activationComplete' ).add( function () {
	isVe = true;
	main();
} );

}() );