/**

 * @author: Dennis Hernández

 * @webSite: http://djhvscf.github.io/Blog

 * @version: v1.0.0

 */



!function ($) {



    'use strict';



    document.onselectstart = function() {

        return false;

    };



    var getTableObjectFromCurrentTarget = function (currentTarget) {

        currentTarget = $(currentTarget);

        return currentTarget.is("table") ? currentTarget : currentTarget.parents().find(".table");

    };



    var getRow = function (target) {

        target = $(target);

        return target.parent().parent();

    };



    var onRowClick = function (e) {

        var that = getTableObjectFromCurrentTarget(e.currentTarget);



        if (window.event.ctrlKey) {

            toggleRow(e.currentTarget, that, false, false);

        }



        if (window.event.button === 0) {

            if (!window.event.ctrlKey && !window.event.shiftKey) {

                clearAll(that);

                toggleRow(e.currentTarget, that, false, false);

            }



            if (window.event.shiftKey) {

                selectRowsBetweenIndexes([that.bootstrapTable("getOptions").multipleSelectRowLastSelectedRow.rowIndex, e.currentTarget.rowIndex], that)

            }

        }

    };



    var onCheckboxChange = function (e) {

        var that = getTableObjectFromCurrentTarget(e.currentTarget);

        clearAll(that);

        toggleRow(getRow(e.currentTarget), that, false, false);

    };



    var toggleRow = function (row, that, clearAll, useShift) {

        if (clearAll) {

            row = $(row);

            that.bootstrapTable("getOptions").multipleSelectRowLastSelectedRow = undefined;

            row.removeClass(that.bootstrapTable("getOptions").multipleSelectRowCssClass);

            that.bootstrapTable("uncheck", row.data("index"));    

        } else {

            that.bootstrapTable("getOptions").multipleSelectRowLastSelectedRow = row;

            row = $(row);

            if (useShift) {

                row.addClass(that.bootstrapTable("getOptions").multipleSelectRowCssClass);

                that.bootstrapTable("check", row.data("index"));  

            } else {

                if(row.hasClass(that.bootstrapTable("getOptions").multipleSelectRowCssClass)) {

                    row.removeClass(that.bootstrapTable("getOptions").multipleSelectRowCssClass)

                    that.bootstrapTable("uncheck", row.data("index"));  

                } else {

                    row.addClass(that.bootstrapTable("getOptions").multipleSelectRowCssClass);

                    that.bootstrapTable("check", row.data("index"));  

                }

            }

        }

    };



    var selectRowsBetweenIndexes = function (indexes, that) {

        indexes.sort(function(a, b) {

            return a - b;

        });



        for (var i = indexes[0]; i <= indexes[1]; i++) {

            toggleRow(that.bootstrapTable("getOptions").multipleSelectRowRows[i-1], that, false, true);

        }

    };



    var clearAll = function (that) {

        for (var i = 0; i < that.bootstrapTable("getOptions").multipleSelectRowRows.length; i++) {

            toggleRow(that.bootstrapTable("getOptions").multipleSelectRowRows[i], that, true, false);

        }

    };

    

    $.extend($.fn.bootstrapTable.defaults, {

        multipleSelectRow: false,

        multipleSelectRowCssClass: 'multiple-select-row-selected',

        //internal variables used by the extension

        multipleSelectRowLastSelectedRow: undefined,

        multipleSelectRowRows: []

    });



    var BootstrapTable = $.fn.bootstrapTable.Constructor,

        _init = BootstrapTable.prototype.init,

        _initBody = BootstrapTable.prototype.initBody;



    BootstrapTable.prototype.init = function () {

        if (this.options.multipleSelectRow) {

            var that = this;



            //Make sure that the internal variables have the correct value

            this.options.multipleSelectRowLastSelectedRow = undefined;

            this.options.multipleSelectRowRows = [];

            

            this.$el.on("post-body.bs.table", function (e) {

                setTimeout(function () {

                    that.options.multipleSelectRowRows = that.$body.children();

                    that.options.multipleSelectRowRows.click(onRowClick);

                    that.options.multipleSelectRowRows.find("input[type=checkbox]").change(onCheckboxChange);

                }, 1);

            });

        }



        _init.apply(this, Array.prototype.slice.apply(arguments));

    };



    BootstrapTable.prototype.clearAllMultipleSelectionRow = function () {

        clearAll(this);

    };



    $.fn.bootstrapTable.methods.push('clearAllMultipleSelectionRow');

}(jQuery);

