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"use strict";

// Class definition
var KTFormsDropzoneJSDemos = function () {
    // Private functions
    var exampleBasic = function () {
        // For more info about Dropzone plugin visit:  https://www.dropzonejs.com/#usage
        var myDropzone = new Dropzone("#kt_dropzonejs_example_1", {
            url: "https://keenthemes.com/scripts/void.php", // Set the url for your upload script location
            paramName: "file", // The name that will be used to transfer the file
            maxFiles: 10,
            maxFilesize: 10, // MB
            addRemoveLinks: true,
            accept: function (file, done) {
                if (file.name == "wow.jpg") {
                    done("Naha, you don't.");
                } else {
                    done();
                }
            }
        });
    }

    var exampleQueue = function () {
        // set the dropzone container id
        const id = "#kt_dropzonejs_example_2";
        const dropzone = document.querySelector(id);

        // set the preview element template
        var previewNode = dropzone.querySelector(".dropzone-item");
        previewNode.id = "";
        var previewTemplate = previewNode.parentNode.innerHTML;
        previewNode.parentNode.removeChild(previewNode);

        var myDropzone = new Dropzone(id, { // Make the whole body a dropzone
            url: "https://preview.keenthemes.com/api/dropzone/void.php", // Set the url for your upload script location
            parallelUploads: 20,
            previewTemplate: previewTemplate,
            maxFilesize: 1, // Max filesize in MB
            autoQueue: false, // Make sure the files aren't queued until manually added
            previewsContainer: id + " .dropzone-items", // Define the container to display the previews
            clickable: id + " .dropzone-select" // Define the element that should be used as click trigger to select files.
        });

        myDropzone.on("addedfile", function (file) {
            // Hookup the start button
            file.previewElement.querySelector(id + " .dropzone-start").onclick = function () { myDropzone.enqueueFile(file); };
            const dropzoneItems = dropzone.querySelectorAll('.dropzone-item');
            dropzoneItems.forEach(dropzoneItem => {
                dropzoneItem.style.display = '';
            });
            dropzone.querySelector('.dropzone-upload').style.display = "inline-block";
            dropzone.querySelector('.dropzone-remove-all').style.display = "inline-block";
        });

        // Update the total progress bar
        myDropzone.on("totaluploadprogress", function (progress) {
            const progressBars = dropzone.querySelectorAll('.progress-bar');
            progressBars.forEach(progressBar => {
                progressBar.style.width = progress + "%";
            });
        });

        myDropzone.on("sending", function (file) {
            // Show the total progress bar when upload starts
            const progressBars = dropzone.querySelectorAll('.progress-bar');
            progressBars.forEach(progressBar => {
                progressBar.style.opacity = "1";
            });
            // And disable the start button
            file.previewElement.querySelector(id + " .dropzone-start").setAttribute("disabled", "disabled");
        });

        // Hide the total progress bar when nothing's uploading anymore
        myDropzone.on("complete", function (progress) {
            const progressBars = dropzone.querySelectorAll('.dz-complete');

            setTimeout(function () {
                progressBars.forEach(progressBar => {
                    progressBar.querySelector('.progress-bar').style.opacity = "0";
                    progressBar.querySelector('.progress').style.opacity = "0";
                    progressBar.querySelector('.dropzone-start').style.opacity = "0";
                });
            }, 300);
        });

        // Setup the buttons for all transfers
        dropzone.querySelector(".dropzone-upload").addEventListener('click', function () {
            myDropzone.enqueueFiles(myDropzone.getFilesWithStatus(Dropzone.ADDED));
        });

        // Setup the button for remove all files
        dropzone.querySelector(".dropzone-remove-all").addEventListener('click', function () {
            dropzone.querySelector('.dropzone-upload').style.display = "none";
            dropzone.querySelector('.dropzone-remove-all').style.display = "none";
            myDropzone.removeAllFiles(true);
        });

        // On all files completed upload
        myDropzone.on("queuecomplete", function (progress) {
            const uploadIcons = dropzone.querySelectorAll('.dropzone-upload');
            uploadIcons.forEach(uploadIcon => {
                uploadIcon.style.display = "none";
            });
        });

        // On all files removed
        myDropzone.on("removedfile", function (file) {
            if (myDropzone.files.length < 1) {
                dropzone.querySelector('.dropzone-upload').style.display = "none";
                dropzone.querySelector('.dropzone-remove-all').style.display = "none";
            }
        });
    }

    var exampleQueueAutoUpload = function () {
        // set the dropzone container id
        const id = "#kt_dropzonejs_example_3";
        const dropzone = document.querySelector(id);

        // set the preview element template
        var previewNode = dropzone.querySelector(".dropzone-item");
        previewNode.id = "";
        var previewTemplate = previewNode.parentNode.innerHTML;
        previewNode.parentNode.removeChild(previewNode);

        var myDropzone = new Dropzone(id, { // Make the whole body a dropzone
            url: "https://preview.keenthemes.com/api/dropzone/void.php", // Set the url for your upload script location
            parallelUploads: 20,
            maxFilesize: 1, // Max filesize in MB
            previewTemplate: previewTemplate,
            previewsContainer: id + " .dropzone-items", // Define the container to display the previews
            clickable: id + " .dropzone-select" // Define the element that should be used as click trigger to select files.
        });


        myDropzone.on("addedfile", function (file) {
            // Hookup the start button
            const dropzoneItems = dropzone.querySelectorAll('.dropzone-item');
            dropzoneItems.forEach(dropzoneItem => {
                dropzoneItem.style.display = '';
            });
        });

        // Update the total progress bar
        myDropzone.on("totaluploadprogress", function (progress) {
            const progressBars = dropzone.querySelectorAll('.progress-bar');
            progressBars.forEach(progressBar => {
                progressBar.style.width = progress + "%";
            });
        });

        myDropzone.on("sending", function (file) {
            // Show the total progress bar when upload starts
            const progressBars = dropzone.querySelectorAll('.progress-bar');
            progressBars.forEach(progressBar => {
                progressBar.style.opacity = "1";
            });
        });

        // Hide the total progress bar when nothing"s uploading anymore
        myDropzone.on("complete", function (progress) {
            const progressBars = dropzone.querySelectorAll('.dz-complete');

            setTimeout(function () {
                progressBars.forEach(progressBar => {
                    progressBar.querySelector('.progress-bar').style.opacity = "0";
                    progressBar.querySelector('.progress').style.opacity = "0";
                });
            }, 300);
        });
    }

    return {
        // Public Functions
        init: function (element) {
            exampleBasic();
            exampleQueue();
            exampleQueueAutoUpload();
        }
    };
}();

// On document ready
KTUtil.onDOMContentLoaded(function () {
    KTFormsDropzoneJSDemos.init();
});
