alsearch.js

/*
 * Search for airline in database(s)
 */

const URL_ALSEARCH = "/php/alsearch.php";

var warning;
var gt;

window.onload = function init() {
  gt = new Gettext({ domain: "messages" });

  // ...?name=x&mode=y
  // 0    1 2          3    4
  var args = window.location.href.split("?");
  if (args[1]) {
    var keys = args[1].split("&");
    if (keys[0].split("=")[0] == "name") {
      var form = document.forms["searchform"];
      form.name.value = unescape(keys[0].split("=")[1]);
      selectInSelect(form.mode, keys[1].split("=")[1]);
      selectInSelect(form.active, "Y");
      changeMode();
    }
  }
};

function doSearch(offset) {
  xmlhttpPost(URL_ALSEARCH, offset, "SEARCH");
}

function doRecord(offset) {
  xmlhttpPost(URL_ALSEARCH, offset, "RECORD");
}

function xmlhttpPost(strURL, offset, action) {
  var self = this;
  // Mozilla/Safari
  if (window.XMLHttpRequest) {
    self.xmlHttpReq = new XMLHttpRequest();
  }
  // IE
  else if (window.ActiveXObject) {
    self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
  }
  self.xmlHttpReq.open("POST", strURL, true);
  self.xmlHttpReq.setRequestHeader(
    "Content-Type",
    "application/x-www-form-urlencoded"
  );
  self.xmlHttpReq.onreadystatechange = function () {
    if (self.xmlHttpReq.readyState == 4 && strURL == URL_ALSEARCH) {
      if (action == "SEARCH") {
        searchResult(self.xmlHttpReq.responseText);
      } else if (action == "RECORD") {
        recordResult(self.xmlHttpReq.responseText);
      }
    }
  };
  var query = "";
  if (strURL == URL_ALSEARCH) {
    var form = document.forms["searchform"];
    var name = form.name.value;
    var country = form.country[form.country.selectedIndex].text;
    var iata = form.iata.value;
    var icao = form.icao.value;
    var alias = form.alias.value;
    var callsign = form.callsign.value;
    var mode = form.mode.value;
    var active = form.active.value;
    var alid = form.alid.value;

    if (iata != "" && iata.length != 2) {
      alert(gt.gettext("IATA codes must be exactly two letters."));
      form.iata.focus();
      return;
    } else {
      iata = iata.toUpperCase();
      form.iata.value = iata;
    }
    if (icao != "" && icao.length != 3) {
      alert(gt.gettext("ICAO codes must be exactly three letters."));
      form.icao.focus();
      return;
    } else {
      icao = icao.toUpperCase();
      form.icao.value = icao;
    }
    if (["XXX", "YYY", "ZZZ"].indexOf(icao) > -1) {
      alert(gt.gettext("Invalid ICAO code."));
      form.iata.focus();
      return;
    }

    if (action == "RECORD") {
      if (!parent.opener || !parent.opener.addNewAirline) {
        alert(
          gt.gettext(
            "Sorry, you have to be logged into OpenFlights to use this."
          )
        );
        return;
      }
      if (name == "") {
        alert(gt.gettext("Please enter a name."));
        form.name.focus();
        return;
      } else {
        name = name.substring(0, 1).toUpperCase() + name.substring(1);
        form.name.value = name;
      }

      if (country == "ALL") {
        alert(gt.gettext("Please select a country."));
        form.country.focus();
        return;
      }
      if (active == "") {
        alert(
          gt.gettext(
            "Please select Yes for airlines that are still operating, or No for inactive airlines."
          )
        );
        form.active.focus();
        return;
      }

      if (mode == "F") {
        if (
          iata == "" &&
          !confirm(
            gt.gettext(
              "You have not entered an IATA/FAA code. Are you sure the airline does not have one and you wish to proceed?"
            )
          )
        ) {
          return;
        }
        if (
          icao == "" &&
          !confirm(
            gt.gettext(
              "You have not entered an ICAO code. Are you sure the airline does not have one and you wish to proceed?"
            )
          )
        ) {
          return;
        }
      }

      // Last check for new airlines only
      if (alid == "") {
        var desc =
          name +
          ", " +
          country +
          " (" +
          gt.gettext("IATA") +
          ": " +
          (iata == "" ? gt.gettext("N/A") : iata) +
          ", " +
          gt.gettext("ICAO") +
          ": " +
          (icao == "" ? gt.gettext("N/A") : icao) +
          ")";
        if (
          !confirm(
            gt.strargs(
              gt.gettext(
                "Are you sure you want to add %1 as a new operator? Please double-check the name and any airline codes before confirming."
              ),
              [desc]
            )
          )
        ) {
          document.getElementById("miniresultbox").innerHTML =
            "<i>" + gt.gettext("Cancelled.") + "</i>";
          return;
        }
      }
    }

    query =
      "name=" +
      encodeURIComponent(name) +
      "&" +
      "alias=" +
      encodeURIComponent(alias) +
      "&" +
      "iata=" +
      encodeURIComponent(iata) +
      "&" +
      "icao=" +
      encodeURIComponent(icao) +
      "&" +
      "country=" +
      encodeURIComponent(country) +
      "&" +
      "callsign=" +
      encodeURIComponent(callsign) +
      "&" +
      "mode=" +
      encodeURIComponent(mode) +
      "&" +
      "active=" +
      encodeURIComponent(active) +
      "&" +
      "offset=" +
      offset +
      "&" +
      "iatafilter=" +
      form.iatafilter.checked +
      "&" +
      "alid=" +
      alid +
      "&" +
      "action=" +
      action;
    document.getElementById("miniresultbox").innerHTML =
      "<i>" +
      (action == "SEARCH"
        ? gt.gettext("Searching...")
        : gt.gettext("Recording...")) +
      "</i>";
  }
  self.xmlHttpReq.send(query);
}

/**
 * Display results of search
 */
function searchResult(str) {
  var airlines = str.split("\n");
  var table = "<table width=95% cellspacing=0>";
  var offset, sql;
  var disclaimer = "";

  var guest = !parent.opener || !parent.opener.addNewAirport;
  if (warning) {
    table +=
      "<tr><td colspan=2><i><font color='red'>" +
      warning +
      "</font></i></td></tr>";
    warning = null;
  }
  for (var a in airlines) {
    var col = airlines[a].split(";");

    // The first line contains header info
    if (a == 0) {
      offset = parseInt(col[0]);
      var max = col[1];
      sql = col[2];
      if (max == 0) {
        table +=
          "<tr><td><i>" + gt.gettext("No matches found.") + "</i></td></td>";
        break;
      }
      table +=
        "<tr><td><b>" +
        gt.strargs(gt.gettext("Results %1 to %2 of %3"), [
          offset + 1,
          Math.min(offset + 10, max),
          max,
        ]) +
        "</b><br></td>";

      if (max > 10) {
        table += '<td style="text-align: right"><nobr>';
        if (offset - 10 >= 0) {
          table +=
            '<input id="b_back" type="button" value="<" onClick="doSearch(' +
            (offset - 10) +
            ')">';
        } else {
          table += '<input type="button" value="<" disabled>';
        }
        if (offset + 10 < max) {
          table +=
            '<input id="b_fwd" type="button" value=">" onClick="doSearch(' +
            (offset + 10) +
            ')">';
        } else {
          table += '<input type="button" value=">" disabled>';
        }
        table += "</nobr></td>";
      }
      table += "</tr>";
      continue;
    }

    // Meat of the table
    var col = JSON.parse(airlines[a]);
    var bgcolor = a % 2 == 1 ? "#fff" : "#ddd";
    switch (col["al_uid"]) {
      case "user":
        bgcolor = "#fdd";
        disclaimer =
          "<br><span style='background-color: " +
          bgcolor +
          "'>" +
          gt.gettext(
            "Operators in pink have been added by users of OpenFlights."
          ) +
          "</span>";
        break;

      case "own":
        bgcolor = "#ddf";
        disclaimer =
          "<br><span style='background-color: " +
          bgcolor +
          "'>" +
          gt.gettext(
            "Operators in blue have been added by you and can be edited."
          ) +
          "<span>";
        break;
    }
    table +=
      "<tr><td style='background-color: " +
      bgcolor +
      "'>" +
      col["al_name"] +
      "</td>";
    // id = alid
    table +=
      "<td style='text-align: right; background-color: " +
      bgcolor +
      "'><input type='button' value='" +
      gt.gettext("Select") +
      "' onClick='selectAirline(\"" +
      col["alid"] +
      '","' +
      encodeURIComponent(col["al_name"]) +
      '","' +
      col["mode"] +
      "\")'></td>";
    if (col["al_uid"] == "own" || guest) {
      var label =
        col["al_uid"] == "own" ? gt.gettext("Edit") : gt.gettext("Load");
      table +=
        "<td style='text-align: right; background-color: " +
        bgcolor +
        "'><input type='button' value='" +
        label +
        "' onClick='loadAirline(\"" +
        encodeURIComponent(airlines[a]) +
        "\")'></td>";
    }

    table += "</tr>";
  }
  table += "</table>";
  table += disclaimer;
  document.getElementById("miniresultbox").innerHTML = table;
}

/**
 * Load data from the search results into the form
 * @param data {string}
 */
function loadAirline(data) {
  var col = JSON.parse(unescape(data));

  var b_back = document.getElementById("b_back");
  var b_fwd = document.getElementById("b_fwd");
  if (b_back) b_back.disabled = true;
  if (b_fwd) b_fwd.disabled = true;

  var form = document.forms["searchform"];
  form.name.value = col["name"];
  if (col["alias"] != "null") {
    form.alias.value = col["alias"];
  }
  if (col["iata"] != "null") {
    form.iata.value = col["iata"];
  }
  if (col["icao"] != "null") {
    form.icao.value = col["icao"];
  }
  if (col["callsign"] != "null") {
    form.callsign.value = col["callsign"];
  }
  form.mode.value = col["mode"];
  var country = col["country"];
  var country_select = form.country;
  for (var index = 0; index < country_select.length; index++) {
    if (
      country_select[index].value == country ||
      country_select[index].text == country
    ) {
      country_select.selectedIndex = index;
    }
  }
  var active_select = form.active;
  for (index = 0; index < active_select.length; index++) {
    if (active_select[index].value == col["active"]) {
      active_select.selectedIndex = index;
    }
  }

  if (col["alid"]) {
    form.alid.value = col["alid"];
    document.getElementById("b_add").style.display = "none";
    document.getElementById("b_edit").style.display = "inline";
  } else {
    form.alid.value = "";
    document.getElementById("b_add").style.display = "inline";
    document.getElementById("b_edit").style.display = "none";
  }
}

// Did we manage to record the airline?
function recordResult(str) {
  var col = str.split(";");
  // Error?
  if (col[0] != "1") {
    document.getElementById("miniresultbox").innerHTML = col[1];
  } else {
    document.getElementById("miniresultbox").innerHTML = col[2];

    // Select newly minted airline and return to main
    // 1;alid
    var form = document.forms["searchform"];
    var name = form.name.value;
    var mode = form.mode.value;
    if (mode == "F") {
      var iata = form.iata.value;
      name += " (" + (iata != "" ? iata : form.icao.value) + ")";
    }
    selectAirline(col[1], name, mode);
  }
}

/**
 * Enable IATA,ICAO,callsign only for flights
 */
function changeMode() {
  var form = document.forms["searchform"];
  var mode = form.mode.value;
  var disabled = mode != "F";
  form.iata.disabled = disabled;
  form.icao.disabled = disabled;
  form.callsign.disabled = disabled;
  form.iatafilter.disabled = disabled;
}

/**
 * Clear form -- everything *except* the database
 */
function clearSearch() {
  var form = document.forms["searchform"];
  form.name.value = "";
  form.country.selectedIndex = 0;
  form.active.selectedIndex = 0;
  form.mode.selectedIndex = 0;
  changeMode();
  form.iata.value = "";
  form.icao.value = "";
  form.alias.value = "";
  form.callsign.value = "";
  form.iatafilter.checked = true;
  form.alid.value = "";
}

/**
 * Airline selected, kick it back to the main window and close this
 * @param data
 * @param name
 * @param mode
 */
function selectAirline(data, name, mode) {
  if (!parent.opener || !parent.opener.addNewAirline) {
    alert(
      gt.gettext("Sorry, you have to be logged into OpenFlights to do this.")
    );
  }
  parent.opener.addNewAirline(data, unescape(name), mode);
  window.close();
}

// A dupe from openflights.js...
function help(context) {
  window.open(
    "/help/" + context + ".php",
    // TODO: Localise?
    "OpenFlights Help: " + context,
    "width=500,height=400,scrollbars=yes"
  );
}