<!DOCTYPE html>

<html>

    <head>

        <meta charset="utf-8">

        <meta http-equiv="X-UA-Compatible" content="IE=edge">

        <meta name="viewport" content="width=device-width,initial-scale=1">



        <title>Word Order Exercise</title>

        <meta name="description" content="Exercise to practice word order">

        <meta name="keywords" content="word order, exercise">



        <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>

        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"

                integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">

        <link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">



        <script type="text/javascript">

            try {

                // App Javascript Goes Here. Place your entire script content inside the try block for error handling.

                document.addEventListener("DOMContentLoaded", function() {

                    // Array of word groups

                    var wordGroups = [

                        ['Put', 'the', 'apples', 'in', 'a', 'dish.'],

                        ['Mix', 'some', 'butter', 'and', 'flour', 'in', 'a', 'bowl.'],

                        ['Serve', 'the', 'soup', 'in', 'the', 'small', 'bowls.'],

                        ['Slice', 'the', 'potatoes', 'with', 'this', 'knife.'],

                        ['I', 'made', 'an', 'apple', 'pie', 'at', 'school.'],

                        ['Fry', 'the', 'chicken', 'in', 'a', 'pan.']

                    ];



                    // Function to shuffle the word groups

                    function shuffleWordGroups() {

                        for (var i = wordGroups.length - 1; i > 0; i--) {

                            var j = Math.floor(Math.random() * (i + 1));

                            var temp = wordGroups[i];

                            wordGroups[i] = wordGroups[j];

                            wordGroups[j] = temp;

                        }

                    }



                    // Function to create the word order exercise

                    function createWordOrderExercise() {

                        var exerciseContainer = document.getElementById('exercise-container');



                        // Clear previous exercise

                        exerciseContainer.innerHTML = '';



                        // Shuffle word groups

                        shuffleWordGroups();



                        // Create word order exercise

                        for (var i = 0; i < wordGroups.length; i++) {

                            var wordGroup = wordGroups[i];



                            var exerciseItem = document.createElement('div');

                            exerciseItem.classList.add('exercise-item');



                            for (var j = 0; j < wordGroup.length; j++) {

                                var word = wordGroup[j];



                                var wordButton = document.createElement('button');

                                wordButton.classList.add('word-button');

                                wordButton.innerHTML = word;

                                wordButton.setAttribute('data-word', word);



                                exerciseItem.appendChild(wordButton);

                            }



                            exerciseContainer.appendChild(exerciseItem);

                        }

                    }



                    // Function to handle word button click

                    function handleWordButtonClick(event) {

                        var wordButton = event.target;



                        // Check if the word button is already selected

                        if (wordButton.classList.contains('selected')) {

                            // Deselect the word button

                            wordButton.classList.remove('selected');

                        } else {

                            // Select the word button

                            wordButton.classList.add('selected');

                        }

                    }



                    // Function to handle check button click

                    function handleCheckButtonClick() {

                        var exerciseItems = document.getElementsByClassName('exercise-item');



                        // Loop through each exercise item

                        for (var i = 0; i < exerciseItems.length; i++) {

                            var exerciseItem = exerciseItems[i];

                            var selectedWords = exerciseItem.getElementsByClassName('selected');



                            // Check if the selected words are in correct order

                            var isCorrectOrder = true;

                            for (var j = 0; j < selectedWords.length - 1; j++) {

                                var currentWord = selectedWords[j];

                                var nextWord = selectedWords[j + 1];



                                if (currentWord.compareDocumentPosition(nextWord) !== Node.DOCUMENT_POSITION_FOLLOWING) {

                                    isCorrectOrder = false;

                                    break;

                                }

                            }



                            // Add appropriate class to the exercise item

                            if (isCorrectOrder) {

                                exerciseItem.classList.add('correct');

                            } else {

                                exerciseItem.classList.add('incorrect');

                            }

                        }

                    }



                    // Function to handle reset button click

                    function handleResetButtonClick() {

                        var exerciseItems = document.getElementsByClassName('exercise-item');



                        // Loop through each exercise item

                        for (var i = 0; i < exerciseItems.length; i++) {

                            var exerciseItem = exerciseItems[i];



                            // Remove the selected and correct/incorrect classes

                            exerciseItem.classList.remove('selected');

                            exerciseItem.classList.remove('correct');

                            exerciseItem.classList.remove('incorrect');

                        }

                    }



                    // Attach event listeners

                    var exerciseContainer = document.getElementById('exercise-container');

                    exerciseContainer.addEventListener('click', function(event) {

                        var target = event.target;



                        // Check if the clicked element is a word button

                        if (target.classList.contains('word-button')) {

                            handleWordButtonClick(event);

                        }

                    });



                    var checkButton = document.getElementById('check-button');

                    checkButton.addEventListener('click', function() {

                        handleCheckButtonClick();

                    });



                    var resetButton = document.getElementById('reset-button');

                    resetButton.addEventListener('click', function() {

                        handleResetButtonClick();

                    });



                    // Create initial word order exercise

                    createWordOrderExercise();

                });



            } catch (error) {

                 // This will throw the error to the parent window.

                throw error;

            }

        </script>

        

        <style>

            /* App CSS Goes Here */

            body {

                font-family: 'Arial', sans-serif;

                margin: 0;

                padding: 0;

                background-color: #f2f2f2;

            }

            

            .container {

                max-width: 800px;

                margin: 0 auto;

                padding: 20px;

            }

            

            h1 {

                text-align: center;

                color: #333;

            }

            

            .exercise-item {

                margin-bottom: 20px;

                background-color: #fff;

                padding: 20px;

                border-radius: 5px;

                box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.1);

            }

            

            .word-button {

                display: inline-block;

                border: none;

                background-color: #eee;

                color: #333;

                padding: 10px 20px;

                margin: 5px;

                border-radius: 5px;

                cursor: pointer;

                transition: background-color 0.3s;

            }

            

            .word-button:hover {

                background-color: #ddd;

            }

            

            .selected {

                background-color: #333;

                color: #fff;

            }

            

            .correct {

                background-color: #d4edda;

            }

            

            .incorrect {

                background-color: #f8d7da;

            }

            

            .button-container {

                text-align: center;

                margin-top: 20px;

            }

            

            .button-container button {

                border: none;

                background-color: #333;

                color: #fff;

                padding: 10px 20px;

                margin: 5px;

                border-radius: 5px;

                cursor: pointer;

                transition: background-color 0.3s;

            }

            

            .button-container button:hover {

                background-color: #555;

            }

        </style>

    </head>

    <body>

        <div id="main-container" class="container">

            <h1>Word Order Exercise</h1>

            <div id="exercise-container"></div>

            <div class="button-container">

                <button id="check-button">Check</button>

                <button id="reset-button">Reset</button>

            </div>

        </div>

    </body>

</html>