MediaWiki:Gadget-MonobookToolbarSortSelected.js

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if ( [ 'edit', 'submit' ].includes( mw.config.get( 'wgAction' ) ) ) {
	mw.loader.using( [ 'ext.gadget.MonobookToolbar', 'jquery.textSelection' ], function () {

		function selectEntireLines( $textbox ) {
			var range = $textbox.textSelection( 'getCaretPosition', { startAndEnd: true } );
			var start = range[ 0 ];
			var end = range[ 1 ];

			// Exclude leading/trailing newlines from selection
			// This avoids some undesirable effects, namely:
			// - This excludes leading/trailing empty lines from the sort
			// - This excludes line if caret is on it but with no characters selected
			var selText = $textbox.textSelection( 'getSelection' );
			var leadingNewlines = selText.match( /^\n+/ );
			if ( leadingNewlines ) {
				start += leadingNewlines[ 0 ].length;
			}
			var trailingNewlines = selText.match( /\n+$/ );
			if ( trailingNewlines ) {
				end -= trailingNewlines[ 0 ].length;
			}

			// Expand selection to start of first selected line, and end of last selected line
			var allText = $textbox[ 0 ].value;
			start = allText.lastIndexOf( '\n', start );
			if ( start === -1 ) {
				start = 0;
			} else {
				start += 1;
			}
			end = allText.indexOf( '\n', end );
			if ( end === -1 ) {
				end = allText.length;
			}

			$textbox.textSelection( 'setSelection', { start: start, end: end } );
		}

		function sortSelectedLines( type ) {
			var $textbox = $( MonobookToolbar.getCurrentFocused() );

			selectEntireLines( $textbox );

			var selText = $textbox.textSelection( 'getSelection' );

			var lines = selText.split( '\n' );
			lines.sort();
			if ( type === 1 ) {
				lines.reverse();
			}
			selText = lines.join( '\n' );

			$textbox.textSelection( 'replaceSelection', selText );
			$textbox.focus();
		}

		MonobookToolbar.addButton( {
			imageFile: '//upload.wikimedia.org/wikipedia/commons/6/6f/Button_arrow_up.PNG',
			speedTip: 'Tri croissant',
			imageId: 'mw-editbutton-sortascending',
			callback: function () {
				sortSelectedLines( 0 );
			}
		} );

		MonobookToolbar.addButton( {
			imageFile: '//upload.wikimedia.org/wikipedia/commons/2/2b/Button_arrow_down.PNG',
			speedTip: 'Tri décroissant',
			imageId: 'mw-editbutton-sortdescending',
			callback: function () {
				sortSelectedLines( 1 );
			}
		} );

	} );
}