public void openNextFile() {
		if( inputFilePath == null || inputMethod != InputMethod.IMAGE )
			return;

		String path;
		try {
			// need to remove annoying %20 from the path is there is whitespace
			path = URLDecoder.decode(inputFilePath, "utf-8");
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
			return;
		}
		File current = new File(UtilIO.ensureURL(path).getFile());
		File parent = current.getParentFile();
		if( parent == null )
			return;

		File[] files = parent.listFiles();
		if( files == null || files.length <= 1 )
			return;
		File closest = null;

		for (int i = 0; i < files.length; i++) {
			File f = files[i];
			String name = f.getName().toLowerCase();
			// filter out common non image/video files
			if( name.endsWith(".txt") || name.endsWith(".yaml") || name.endsWith(".xml"))
				continue;

			if( current.compareTo(f) < 0 ) {
				if( closest == null || closest.compareTo(f) > 0 ) {
					closest = f;
				}
			}
		}

		if( closest != null && closest.isFile() ) {
			openFile(closest);
		} else {
			if( closest != null ) {
				System.err.println("Next file isn't a file. name="+closest.getName());
			} else {
				System.err.println("No valid closest file found.");
			}
		}
	}
public void openNextFile ( ) { if ( inputFilePath == null || inputMethod != InputMethod . IMAGE ) return ; String path ; try { path = URLDecoder . decode ( inputFilePath , "utf-8" ) ; } catch ( UnsupportedEncodingException e ) { e . printStackTrace ( ) ; return ; } File current = new File ( UtilIO . ensureURL ( path ) . getFile ( ) ) ; File parent = current . getParentFile ( ) ; if ( parent == null ) return ; File [ ] files = parent . listFiles ( ) ; if ( files == null || files . length <= 1 ) return ; File closest = null ; for ( int i = 0 ; i < files . length ; i ++ ) { File f = files [ i ] ; String name = f . getName ( ) . toLowerCase ( ) ; if ( name . endsWith ( ".txt" ) || name . endsWith ( ".yaml" ) || name . endsWith ( ".xml" ) ) continue ; if ( current . compareTo ( f ) < 0 ) { if ( closest == null || closest . compareTo ( f ) > 0 ) { closest = f ; } } } if ( closest != null && closest . isFile ( ) ) { openFile ( closest ) ; } else { if ( closest != null ) { System . err . println ( "Next file isn't a file. name=" + closest . getName ( ) ) ; } else { System . err . println ( "No valid closest file found." ) ; } } }
Opens the next file in the directory by lexicographical order.