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function persistPatronSelections(form) {

    var selected_patrons;

    var persistence_checkbox = $("#maintain_selections_" + form)[0];

    var persist = persistence_checkbox.checked

    if (form === 'patron-merge-form' && persist) {

        // We should only keep the id for the patron that is being kept in the merge

        var keeper_checkboxes = $(".keeper")

        var patron_to_keep = keeper_checkboxes.filter(":checked")

        var patron_id = patron_to_keep[0].value

        selected_patrons = [ patron_id ]

    } else {

        selected_patrons = persist ? JSON.parse(localStorage.getItem("patron_search_selections")) : [];

    }

    localStorage.setItem('patron_search_selections', JSON.stringify(selected_patrons));

}

function showPatronSelections(number) {

    if (number === 0) {

        $("#table_search_selections").hide()

    } else {

        $("#table_search_selections").show().find("span").text(_("Patrons selected: " + number));

    }

}

function prepSelections() {

    var selected_patrons = JSON.parse(localStorage.getItem("patron_search_selections"));

    if (selected_patrons && selected_patrons.length > 0) {

        showPatronSelections(selected_patrons.length);

        $('#merge-patrons').prop('disabled', true);

        $("input.selection").each(function () {

            var cardnumber = $(this).val();

            if (selected_patrons.indexOf(cardnumber) >= 0) {

                $(this).prop("checked", true);

            }

        });

        if (selected_patrons.length > 1) {

            $('#batch-mod-patrons, #merge-patrons, #patronlist-menu').removeClass("disabled").prop('disabled', false);

        }

    } else {

        showPatronSelections(0);

        $('#merge-patrons').prop('disabled', true);

        $("input.selection").each(function () {

            $(this).prop("checked", false);

        });

        $('#batch-mod-patrons, #merge-patrons, #patronlist-menu').addClass("disabled").prop('disabled', true);

    }

}

$(document).ready(function () {

    var form_identifier = $("#form-identifier").data();

    if(form_identifier && form_identifier.hasOwnProperty('identifier') && form_identifier.identifier) {

        var form_id = form_identifier.identifier;

        if (form_id !== 'new-patron-list_form') {

            $("#" + form_id).on("submit", function(e){

                persistPatronSelections(form_id)

            });

        }

    }

})