tools.js

// returns a layer group for xmap back- and foreground layers
function getXMapBaseLayers(cluster, style, token, attribution) {
    var isEastAsia = cluster.indexOf('cn-n') > -1 || cluster.indexOf('jp-n') > -1;

    var background = L.tileLayer('https://ajaxbg{s}-' + cluster + '.cloud.ptvgroup.com' +
                     '/WMS/GetTile/' + ((style && !isEastAsia) ? 'xmap-ajaxbg-' + style : 'xmap-ajaxbg') +
					 '/{x}/{y}/{z}.png' + ((isEastAsia) ? '?xtok=' + token : ''), {
					     minZoom: 0, maxZoom: 19, opacity: 1.0,
					     attribution: attribution,
					     subdomains: '1234'
					 });

    if (isEastAsia)
        return background;

    var foreground = new L.NonTiledLayer.WMS('https://ajaxfg-' + cluster + '.cloud.ptvgroup.com/WMS/WMS' + '?xtok=' + token, {
        minZoom: 0, maxZoom: 19, opacity: 1.0,
        layers: style ? 'xmap-ajaxfg-' + style : 'xmap-ajaxfg',
        format: 'image/png', transparent: true,
        attribution: attribution
    });

    return L.layerGroup([background, foreground]);
}

// runRequest executes a json request on PTV xServer internet,
// given the url endpoint, the token and the callbacks to be called
// upon completion. The error callback is parameterless, the success
// callback is called with the object returned by the server.
var runRequest = function (url, request, token, handleSuccess, handleError) {
    $.ajax({
        url: url,
        type: "POST",
        data: JSON.stringify(request),

        headers: {
            "Authorization": "Basic " + btoa("xtok:" + token),
            "Content-Type": "application/json"
        },

        success: function (data, status, xhr) {
            handleSuccess(data);
        },

        error: function (xhr, status, error) {
            handleError(xhr);
        }
    });
};

var fixClickPropagationForIE = function (container) {
    container.onclick = L.DomEvent.stopPropagation;
    var inputTags = container.getElementsByTagName("input");
    var selectTags = container.getElementsByTagName("select");
    var elements = Array.prototype.slice.call(inputTags, 0);
    elements = elements.concat(Array.prototype.slice.call(selectTags, 0));

    for (var i = 0; i < elements.length; i++) {
        if (elements[i].type == "text")
            elements[i].onclick = L.DomEvent.stopPropagation;
        elements[i].onmousedown = elements[i].ondblclick = elements[i].onpointerdown = L.DomEvent.stopPropagation;
    }
};