print.js

/* Tabulator v4.5.3 (c) Oliver Folkerd */

var Print = function Print(table) {
    this.table = table; //hold Tabulator object
    this.element = false;
    this.manualBlock = false;
};

Print.prototype.initialize = function () {
    window.addEventListener("beforeprint", this.replaceTable.bind(this));
    window.addEventListener("afterprint", this.cleanup.bind(this));
};

Print.prototype.replaceTable = function () {
    if (!this.manualBlock) {
        this.element = document.createElement("div");
        this.element.classList.add("tabulator-print-table");

        this.element.appendChild(this.table.modules.htmlTableExport.genereateTable(this.table.options.printConfig, this.table.options.printCopyStyle, this.table.options.printVisibleRows, "print"));

        this.table.element.style.display = "none";

        this.table.element.parentNode.insertBefore(this.element, this.table.element);
    }
};

Print.prototype.cleanup = function () {
    document.body.classList.remove("tabulator-print-fullscreen-hide");

    if (this.element && this.element.parentNode) {
        this.element.parentNode.removeChild(this.element);
        this.table.element.style.display = "";
    }
};

Print.prototype.printFullscreen = function (visible, style, config) {
    var scrollX = window.scrollX,
        scrollY = window.scrollY,
        headerEl = document.createElement("div"),
        footerEl = document.createElement("div"),
        tableEl = this.table.modules.htmlTableExport.genereateTable(typeof config != "undefined" ? config : this.table.options.printConfig, typeof style != "undefined" ? style : this.table.options.printCopyStyle, visible, "print"),
        headerContent,
        footerContent;

    this.manualBlock = true;

    this.element = document.createElement("div");
    this.element.classList.add("tabulator-print-fullscreen");

    if (this.table.options.printHeader) {
        headerEl.classList.add("tabulator-print-header");

        headerContent = typeof this.table.options.printHeader == "function" ? this.table.options.printHeader.call(this.table) : this.table.options.printHeader;

        if (typeof headerContent == "string") {
            headerEl.innerHTML = headerContent;
        } else {
            headerEl.appendChild(headerContent);
        }

        this.element.appendChild(headerEl);
    }

    this.element.appendChild(tableEl);

    if (this.table.options.printFooter) {
        footerEl.classList.add("tabulator-print-footer");

        footerContent = typeof this.table.options.printFooter == "function" ? this.table.options.printFooter.call(this.table) : this.table.options.printFooter;

        if (typeof footerContent == "string") {
            footerEl.innerHTML = footerContent;
        } else {
            footerEl.appendChild(footerContent);
        }

        this.element.appendChild(footerEl);
    }

    document.body.classList.add("tabulator-print-fullscreen-hide");
    document.body.appendChild(this.element);

    if (this.table.options.printFormatter) {
        this.table.options.printFormatter(this.element, tableEl);
    }

    window.print();

    this.cleanup();

    window.scrollTo(scrollX, scrollY);

    this.manualBlock = false;
};

Tabulator.prototype.registerModule("print", Print);