/*
 * 検索結果を配列に挿入
 * @param  id 検索元
 */
var target_list = {
    'sampletype' : 'scientificname',
    'scientificname' : 'tissueorgan',
    'collectionregion' : 'collectioncountry',
    'chemicalgroups' : 'chemicalname'
};
var selected_list = {
    'sampletype' : '',
    'scientificname' : '',
    'collectionregion' : '',
    'chemicalgroups' : ''
};
function search_ajax (id) {

    // POSTするデータを生成
    var post_data = {};
    post_data [id] = $("#" + id).val();
    post_data ["_token"] = "WtTxpBNBizbcvPamGPv083KccIso4KqINmktkJju";
    //次の問題取得
    var result = new $.ajax({
            url: "https://chem-theatre.com/select_item",
            type: "POST",
            data: post_data,
            cache: false,
            dataType: "JSON",
//            complete: this.setJson,
            async: false //同期設定
    }).responseText;

    //分解
    var json_value = JSON.parse (result);

    if (json_value ["err"] == "error") {
//        alert ("no results");
        //選択肢入れ替え
        var doc = $("#" + target_list [id]).get(0);
        doc.length = 1;//空白分
        doc.options [0] = new Option ("-", "");
    } else {
        //選択肢入れ替え
        var doc = $("#" + target_list [id]).get(0);
        doc.length = json_value ["value"].length + 1;//空白分を追加
        doc.options [0] = new Option ("-", "");
        for (var cnt = 0; cnt < json_value ["value"].length; cnt++) {
            var value = json_value ["value"][cnt];
            var text = json_value ["text"][cnt];
            doc.options [cnt + 1] = new Option (value, text);
            if (htmlspecialchars(value).trim() == selected_list[id].trim()) {
                doc.options [cnt + 1].selected = true;
            }
        }
    }
    //Sample Type 変更時に Tissue / Organ を初期化
    if (id == "sampletype") {
        //選択肢初期化
        var doc = $("#tissueorgan").get(0);
        doc.length = 1;//空白分
        doc.options [0] = new Option ("-", "");
    }
}

function htmlspecialchars(str) {
    str = str.replace(/&/g, "&amp;");
    str = str.replace(/</g, "&lt;");
    str = str.replace(/>/g, "&gt;");
    str = str.replace(/'/g, "&#039;");
    str = str.replace(/"/g, "&quot;");
    return str;
}