Crossword Add-on

Crossword component for Vaadin 14+ with multiplayer support

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This is a crossword puzzle component for Vaadin 14+ that can take a JSON file in the format defined here and can support multiple collaborative players.

Sample code

package org.acme.crossword.views;

import java.io.File;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.vaadin.addons.crossword.Crossword;
import org.vaadin.addons.crossword.Puzzle;

import com.vaadin.flow.router.Route;

@Route("")
public class CrosswordView extends VerticalLayout {
    public CrosswordView() {
        Crossword crossword = new Crossword(UUID.randomUUID().toString());
        File jsonFile = new File("puzzle.json");
        Puzzle puzzle = new ObjectMapper()
                .readerFor(Puzzle.class)
                .readValue(jsonFile);
        crossword.setPuzzle(puzzle);
        add(crossword);
    }
}

Links

• View on GitHub
• Demo Source

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