/* ------------------------------------------------------------------------------
*
*  # Bootstrap multiple file uploader
*
*  Specific JS code additions for uploader_bootstrap.html page
*
*  Version: 1.2
*  Latest update: Aug 10, 2016
*
* ---------------------------------------------------------------------------- */

$(function() {

    //
    // Define variables
    //

    // Modal template
    var modalTemplate = '<div class="modal-dialog modal-lg" role="document">\n' +
        '  <div class="modal-content">\n' +
        '    <div class="modal-header">\n' +
        '      <div class="kv-zoom-actions btn-group">{toggleheader}{fullscreen}{borderless}{close}</div>\n' +
        '      <h6 class="modal-title">{heading} <small><span class="kv-zoom-title"></span></small></h6>\n' +
        '    </div>\n' +
        '    <div class="modal-body">\n' +
        '      <div class="floating-buttons btn-group"></div>\n' +
        '      <div class="kv-zoom-body file-zoom-content"></div>\n' + '{prev} {next}\n' +
        '    </div>\n' +
        '  </div>\n' +
        '</div>\n';

    // Buttons inside zoom modal
    var previewZoomButtonClasses = {
        toggleheader: 'btn btn-default btn-icon btn-xs btn-header-toggle',
        fullscreen: 'btn btn-default btn-icon btn-xs',
        borderless: 'btn btn-default btn-icon btn-xs',
        close: 'btn btn-default btn-icon btn-xs'
    };

    // Icons inside zoom modal classes
    var previewZoomButtonIcons = {
        prev: '<i class="icon-arrow-left32"></i>',
        next: '<i class="icon-arrow-right32"></i>',
        toggleheader: '<i class="icon-menu-open"></i>',
        fullscreen: '<i class="icon-screen-full"></i>',
        borderless: '<i class="icon-alignment-unalign"></i>',
        close: '<i class="icon-cross3"></i>'
    };

    // File actions
    var fileActionSettings = {
        zoomClass: 'btn btn-link btn-xs btn-icon',
        zoomIcon: '<i class="icon-zoomin3"></i>',
        dragClass: 'btn btn-link btn-xs btn-icon',
        dragIcon: '<i class="icon-three-bars"></i>',
        removeClass: 'btn btn-link btn-icon btn-xs',
        removeIcon: '<i class="icon-trash"></i>',
        indicatorNew: '<i class="icon-file-plus text-slate"></i>',
        indicatorSuccess: '<i class="icon-checkmark3 file-icon-large text-success"></i>',
        indicatorError: '<i class="icon-cross2 text-danger"></i>',
        indicatorLoading: '<i class="icon-spinner2 spinner text-muted"></i>'
    };


    //
    // Basic example
    //

    $('.file-input').fileinput({
        browseLabel: 'Browse',
        browseIcon: '<i class="icon-file-plus"></i>',
        uploadIcon: '<i class="icon-file-upload2"></i>',
        removeIcon: '<i class="icon-cross3"></i>',
        layoutTemplates: {
            icon: '<i class="icon-file-check"></i>',
            modal: modalTemplate
        },
        initialCaption: "No file selected",
        previewZoomButtonClasses: previewZoomButtonClasses,
        previewZoomButtonIcons: previewZoomButtonIcons,
        fileActionSettings: fileActionSettings
    });


    //
    // Custom layout
    //

    $('.file-input-custom').fileinput({
        previewFileType: 'image',
        browseLabel: 'Select',
        browseClass: 'btn bg-slate-700',
        browseIcon: '<i class="icon-image2 position-left"></i> ',
        removeLabel: 'Remove',
        removeClass: 'btn btn-danger',
        removeIcon: '<i class="icon-cancel-square position-left"></i> ',
        uploadClass: 'btn bg-teal-400',
        uploadIcon: '<i class="icon-file-upload position-left"></i> ',
        layoutTemplates: {
            icon: '<i class="icon-file-check"></i>',
            modal: modalTemplate
        },
        initialCaption: "Please select image",
        mainClass: 'input-group',
        previewZoomButtonClasses: previewZoomButtonClasses,
        previewZoomButtonIcons: previewZoomButtonIcons,
        fileActionSettings: fileActionSettings
    });


    //
    // Template modifications
    //

    $('.file-input-advanced').fileinput({
        browseLabel: 'Browse',
        browseClass: 'btn btn-default',
        removeClass: 'btn btn-default',
        uploadClass: 'btn bg-success-400',
        browseIcon: '<i class="icon-file-plus"></i>',
        uploadIcon: '<i class="icon-file-upload2"></i>',
        removeIcon: '<i class="icon-cross3"></i>',
        layoutTemplates: {
            icon: '<i class="icon-file-check"></i>',
            main1: "{preview}\n" +
                "<div class='input-group {class}'>\n" +
                "   <div class='input-group-btn'>\n" +
                "       {browse}\n" +
                "   </div>\n" +
                "   {caption}\n" +
                "   <div class='input-group-btn'>\n" +
                "       {upload}\n" +
                "       {remove}\n" +
                "   </div>\n" +
                "</div>",
            modal: modalTemplate
        },
        initialCaption: "No file selected",
        previewZoomButtonClasses: previewZoomButtonClasses,
        previewZoomButtonIcons: previewZoomButtonIcons,
        fileActionSettings: fileActionSettings
    });


    //
    // Custom file extensions
    //

    $(".file-input-extensions").fileinput({
        browseLabel: 'Browse',
        browseClass: 'btn btn-primary',
        uploadClass: 'btn btn-default',
        browseIcon: '<i class="icon-file-plus"></i>',
        uploadIcon: '<i class="icon-file-upload2"></i>',
        removeIcon: '<i class="icon-cross3"></i>',
        layoutTemplates: {
            icon: '<i class="icon-file-check"></i>',
            modal: modalTemplate
        },
        maxFilesNum: 10,
        allowedFileExtensions: ["jpg", "gif", "png", "txt"],
        initialCaption: "No file selected",
        previewZoomButtonClasses: previewZoomButtonClasses,
        previewZoomButtonIcons: previewZoomButtonIcons,
        fileActionSettings: fileActionSettings
    });


    //
    // Always display preview
    //

    $(".file-input-preview").fileinput({
        browseLabel: 'Browse',
        browseIcon: '<i class="icon-file-plus"></i>',
        uploadIcon: '<i class="icon-file-upload2"></i>',
        removeIcon: '<i class="icon-cross3"></i>',
        layoutTemplates: {
            icon: '<i class="icon-file-check"></i>',
            modal: modalTemplate
        },
        initialPreview: [
            "assets/images/placeholder.jpg",
            "assets/images/placeholder.jpg",
        ],
        initialPreviewConfig: [
            {caption: "Jane.jpg", size: 930321, key: 1, showDrag: false},
            {caption: "Anna.jpg", size: 1218822, key: 2, showDrag: false}
        ],
        initialPreviewAsData: true,
        overwriteInitial: false,
        maxFileSize: 100,
        previewZoomButtonClasses: previewZoomButtonClasses,
        previewZoomButtonIcons: previewZoomButtonIcons,
        fileActionSettings: fileActionSettings
    });


    //
    // Display preview on load
    //

    $(".file-input-overwrite").fileinput({
        browseLabel: 'Browse',
        browseIcon: '<i class="icon-file-plus"></i>',
        uploadIcon: '<i class="icon-file-upload2"></i>',
        removeIcon: '<i class="icon-cross3"></i>',
        layoutTemplates: {
            icon: '<i class="icon-file-check"></i>',
            modal: modalTemplate
        },
        initialPreview: [
            "assets/images/placeholder.jpg",
            "assets/images/placeholder.jpg"
        ],
        initialPreviewConfig: [
            {caption: "Jane.jpg", size: 930321, key: 1, showDrag: false},
            {caption: "Anna.jpg", size: 1218822, key: 2, showDrag: false}
        ],
        initialPreviewAsData: true,
        overwriteInitial: true,
        previewZoomButtonClasses: previewZoomButtonClasses,
        previewZoomButtonIcons: previewZoomButtonIcons,
        fileActionSettings: fileActionSettings
    });


    //
    // AJAX upload
    //

    $(".file-input-ajax").fileinput({
        uploadUrl: "http://localhost", // server upload action
        uploadAsync: true,
        maxFileCount: 5,
        initialPreview: [],
        fileActionSettings: {
            removeIcon: '<i class="icon-bin"></i>',
            removeClass: 'btn btn-link btn-xs btn-icon',
            uploadIcon: '<i class="icon-upload"></i>',
            uploadClass: 'btn btn-link btn-xs btn-icon',
            indicatorNew: '<i class="icon-file-plus text-slate"></i>',
            indicatorSuccess: '<i class="icon-checkmark3 file-icon-large text-success"></i>',
            indicatorError: '<i class="icon-cross2 text-danger"></i>',
            indicatorLoading: '<i class="icon-spinner2 spinner text-muted"></i>',
        },
        layoutTemplates: {
            icon: '<i class="icon-file-check"></i>',
            modal: modalTemplate
        },
        initialCaption: "No file selected",
        previewZoomButtonClasses: previewZoomButtonClasses,
        previewZoomButtonIcons: previewZoomButtonIcons
    });


    //
    // Misc
    //

    // Disable/enable button
    $("#btn-modify").on("click", function() {
        $btn = $(this);
        if ($btn.text() == "Disable file input") {
            $("#file-input-methods").fileinput("disable");
            $btn.html("Enable file input");
            alert("Hurray! I have disabled the input and hidden the upload button.");
        }
        else {
            $("#file-input-methods").fileinput("enable");
            $btn.html("Disable file input");
            alert("Hurray! I have reverted back the input to enabled with the upload button.");
        }
    });

});
