// This is a manifest file that'll be compiled into application.js, which will include all the files
// listed below.
//
// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, vendor/assets/javascripts,
// or vendor/assets/javascripts of plugins, if any, can be referenced here using a relative path.
//
// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
// the compiled file.
//
// WARNING: THE FIRST BLANK LINE MARKS THE END OF WHAT'S TO BE PROCESSED, ANY BLANK LINE SHOULD
// GO AFTER THE REQUIRES BELOW.
//
//= require jquery
//= require jquery_ujs
//= require_tree .

/* API method to get paging information */
/* This fixes a pagination bug in the table sort library */
$.fn.dataTableExt.oApi.fnPagingInfo = function(oSettings)
 {
    return {
        "iStart": oSettings._iDisplayStart,
        "iEnd": oSettings.fnDisplayEnd(),
        "iLength": oSettings._iDisplayLength,
        "iTotal": oSettings.fnRecordsTotal(),
        "iFilteredTotal": oSettings.fnRecordsDisplay(),
        "iPage": Math.ceil(oSettings._iDisplayStart / oSettings._iDisplayLength),
        "iTotalPages": Math.ceil(oSettings.fnRecordsDisplay() / oSettings._iDisplayLength)
    };
};

/* Pagination Plugin for Twitter Bootstrap */
$.extend($.fn.dataTableExt.oPagination, {
    "bootstrap": {
        "fnInit": function(oSettings, nPaging, fnDraw) {
            var oLang = oSettings.oLanguage.oPaginate;
            var fnClickHandler = function(e) {
                e.preventDefault();
                if (oSettings.oApi._fnPageChange(oSettings, e.data.action)) {
                    fnDraw(oSettings);
                }
            };

            $(nPaging).addClass('pagination').append(
            '<ul>' +
            '<li class="prev disabled"><a href="#">&larr; ' + oLang.sPrevious + '</a></li>' +
            '<li class="next disabled"><a href="#">' + oLang.sNext + ' &rarr; </a></li>' +
            '</ul>'
            );
            var els = $('a', nPaging);
            $(els[0]).bind('click.DT', {
                action: "previous"
            },
            fnClickHandler);
            $(els[1]).bind('click.DT', {
                action: "next"
            },
            fnClickHandler);
        },

        "fnUpdate": function(oSettings, fnDraw) {
            var iListLength = 5;
            var oPaging = oSettings.oInstance.fnPagingInfo();
            var an = oSettings.aanFeatures.p;
            var i,
            j,
            sClass,
            iStart,
            iEnd,
            iHalf = Math.floor(iListLength / 2);

            if (oPaging.iTotalPages < iListLength) {
                iStart = 1;
                iEnd = oPaging.iTotalPages;
            }
            else if (oPaging.iPage <= iHalf) {
                iStart = 1;
                iEnd = iListLength;
            } else if (oPaging.iPage >= (oPaging.iTotalPages - iHalf)) {
                iStart = oPaging.iTotalPages - iListLength + 1;
                iEnd = oPaging.iTotalPages;
            } else {
                iStart = oPaging.iPage - iHalf + 1;
                iEnd = iStart + iListLength - 1;
            }

            for (i = 0, iLen = an.length; i < iLen; i++) {
                // Remove the middle elements
                $('li:gt(0)', an[i]).filter(':not(:last)').remove();

                // Add the new list items and their event handlers
                for (j = iStart; j <= iEnd; j++) {
                    sClass = (j == oPaging.iPage + 1) ? 'class="active"': '';
                    $('<li ' + sClass + '><a href="#">' + j + '</a></li>')
                    .insertBefore($('li:last', an[i])[0])
                    .bind('click',
                    function(e) {
                        e.preventDefault();
                        oSettings._iDisplayStart = (parseInt($('a', this).text(), 10) - 1) * oPaging.iLength;
                        fnDraw(oSettings);
                    });
                }

                // Add / remove disabled classes from the static elements
                if (oPaging.iPage === 0) {
                    $('li:first', an[i]).addClass('disabled');
                } else {
                    $('li:first', an[i]).removeClass('disabled');
                }

                if (oPaging.iPage === oPaging.iTotalPages - 1) {
                    $('li:last', an[i]).addClass('disabled');
                } else {
                    $('li:last', an[i]).removeClass('disabled');
                }
            }
        }
    }
});

$(document).ready(function() {
    var sortableTable = $(".table-sortable").dataTable({
        bPaginate: true,
        bFilter: true,
        bInfo: false,
        sPaginationType: "bootstrap",
        oLanguage: {
            "sSearch": "Search all columns:"
        },
        aoColumnDefs: [{
            'bSortable': false,
            'aTargets': ['unsortable']
        }]
    });
    $("tfoot input").keyup(function() {
        /* Filter on the column (the index) of this element */
        oTable.fnFilter(this.value, $("tfoot input").index(this));
    });

    /*
       * Support functions to provide a little bit of 'user friendlyness' to the textboxes in 
       * the footer
       */
    $("tfoot input").each(function(i) {
        asInitVals[i] = this.value;
    });

    $("tfoot input").focus(function() {
        if (this.className == "search_init")
        {
            this.className = "";
            this.value = "";
        }
    });

    $("tfoot input").blur(function(i) {
        if (this.value === "")
        {
            this.className = "search_init";
            this.value = asInitVals[$("tfoot input").index(this)];
        }
    });

});