(function() {
    var d = window.ZDC;
    d.MarkerCluster = d.MarkerCluster = function(f, t) {
        function r(a, b) {
            for (var c in b)
                try {
                    b[c].constructor == Object ? a[c] = r(a[c], b[c]) : b.hasOwnProperty(c) && (a[c] = b[c])
                } catch (g) {
                    a[c] = b[c]
                }
            return a
        }
        this.indexOf = function(a, b, c) {
            c = c || 0;
            for (var g = a.length; c < g; c++)
                if (a[c] === b)
                    return c;
            return -1
        }
        ;
        this.miriLon = f.getMapType().latLonPerPx.lon;
        this.miriLat = f.getMapType().latLonPerPx.lat;
        this.clusters = [];
        this.markers = [];
        this.markerNo = 0;
        this.options = {
            markers: [],
            maxZoom: f.getMapType().zoomRange.length - 1,
            cluster: function(a, e) {
                var c = 36
                  , g = "clusterermarker1.png"
                  , h = "font-family:arial; color:#FFFFFF; font-size:20px; font-weight: bold;";
                5 <= a && (c = 40,
                g = "clusterermarker2.png",
                h = "font-family:arial; color:#FFFFFF; font-size:22px; font-weight: bold;");
                10 <= a && (c = 44,
                g = "clusterermarker3.png",
                h = "font-family:arial; color:#FFFFFF; font-size:22px; font-weight: bold;");
                50 <= a && (c = 48,
                g = "clusterermarker4.png",
                h = "font-family:arial; color:#FFFFFF; font-size:24px; font-weight: bold;");
                100 <= a && (c = 58,
                g = "clusterermarker5.png",
                h = "font-family:arial; color:#FFFFFF; font-size:24px ;font-weight: bold;");
                g = d._MAP_SERVER_IMG + g;
                c = {
                    html: '<div style="width: ' + c + "px;height: " + c + "px;line-height: " + c + "px;text-align: center;" + (b.options.textStyle || h) + "background: url(" + g + ') no-repeat center;cursor: pointer;user-select: none; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none;">' + a + "</div>",
                    size: new d.WH(c,c),
                    offset: d.Pixel(-c / 2, -c / 2)
                };
                return new d.UserWidget(e,c)
            },
            textStyle: null,
            method: "distance",
            radius: 10
        };
        r(this.options, t);
        this.clusters = [];
        var b = this;
        // add 2020/02/20 Mlab.HuuPhuoc [
        var me = this;
        // add 2020/02/20 Mlab.HuuPhuoc ]
        this.addClusterEventHandle = function(a) {
            for (var b = [], c = 0; c < a.markers.length; c++)
                b.push(a.markers[c].getLatLon());
            var g = f.getAdjustZoom(b, {
                fix: !1
            });
            d.addListener(a.owner, d.USERWIDGET_MOUSEDOWN, function() {
                // add 2020/02/20 Mlab.HuuPhuoc [
                if (typeof me['options']['onClusterMouseDown'] == "function") {
                    me.options.onClusterMouseDown(a, f, g);
                    return;
                }
                // add 2020/02/20 Mlab.HuuPhuoc ]
                f.moveLatLon(g.latlon);
                f.setZoom(g.zoom)
            })
        }
        ;
        this.kmeans = {
            mkIdx: [],
            getMarkerInBox: function() {
                this.mkIdx = [];
                f.getLatLonBox();
                for (var a = 0; a < b.markers.length; a++)
                    b.markers[a].hidden(),
                    this.mkIdx.push(a)
            },
            addCluster: function() {
                for (var a = f.getLatLonBox(), e = a.getMin(), a = a.getMax(), c = b.options, g = 0; g < c.radius; g++) {
                    var h = (Math.random() * (a.lat - e.lat) + e.lat).toFixed(7)
                      , k = (Math.random() * (a.lon - e.lon) + e.lon).toFixed(7)
                      , h = {
                        owner: null,
                        latlon: new d.LatLon(h,k),
                        markers: []
                    };
                    b.clusters.push(h)
                }
            },
            updateCluster: function() {
                for (var a = 0; a < b.clusters.length; a++)
                    b.clusters[a].markers = [];
                for (var e = 0; e < this.mkIdx.length; e++) {
                    for (var c = Infinity, g, d = b.markers[this.mkIdx[e]], a = 0; a < b.clusters.length; a++) {
                        var f = d.getLatLon().lat - b.clusters[a].latlon.lat
                          , l = d.getLatLon().lon - b.clusters[a].latlon.lon
                          , f = Math.sqrt(Math.pow(f, 2) + Math.pow(l, 2));
                        f < c && (c = f,
                        g = b.clusters[a])
                    }
                    g.markers.push(d);
                    d.group = g
                }
                this.updateCenter()
            },
            updateCenter: function() {
                for (var a = !0, e = 0; e < b.clusters.length; e++) {
                    var c = 0
                      , g = 0
                      , f = b.clusters[e];
                    if (0 < f.markers.length) {
                        for (var k = 0; k < f.markers.length; k++)
                            var l = f.markers[k].getLatLon()
                              , c = c + parseFloat(l.lat)
                              , g = g + parseFloat(l.lon);
                        c /= f.markers.length;
                        g /= f.markers.length;
                        c = c.toFixed(7);
                        g = g.toFixed(7);
                        if (f.latlon.lat != c || f.latlon.lon != g)
                            a = !1;
                        f.latlon = new d.LatLon(c,g)
                    }
                }
                a ? this.drawCluster() : this.updateCluster()
            },
            drawCluster: function() {
                if (0 < b.clusters.length) {
                    for (var a = [], e = 0; e < b.clusters.length; e++) {
                        var c = b.clusters[e];
                        if (1 < c.markers.length) {
                            var d = new b.options.cluster(c.markers.length,c.latlon);
                            f.addWidget(d);
                            d.open();
                            c.owner = d;
                            a.push(c);
                            b.addClusterEventHandle(c)
                        } else
                            1 == c.markers.length && c.markers[0].visible()
                    }
                    b.clusters = a
                }
            },
            cluster: function() {
                0 < b.options.radius && (this.getMarkerInBox(),
                this.addCluster(),
                this.updateCluster())
            },
            clear: function() {
                if (0 < b.clusters.length) {
                    for (var a = 0; a < b.clusters.length; a++)
                        null != b.clusters[a] && f.removeWidget(b.clusters[a].owner);
                    b.clusters = [];
                    if (0 < b.markers.length)
                        for (a = 0; a < b.markers.length; a++)
                            b.markers[a].visible()
                }
            }
        };
        this.distance = {
            mkIdx: [],
            radius: 0,
            getRarius: function() {
                var a = b.options
                  , e = b.miriLat
                  , c = b.miriLon
                  , g = f.getZoom()
                  , e = a.radius * e[f.getMapType().zoomRange[g]]
                  , a = a.radius * c[f.getMapType().zoomRange[g]];
                this.radius = Math.sqrt(Math.pow(e, 2) + Math.pow(a, 2));
                this.radius = d.msTodeg(this.radius)
            },
            getRelation: function() {
                this.mkIdx = [];
                if (0 < b.markers.length) {
                    for (var a = 0; a < b.markers.length; a++)
                        b.markers[a].relateds = [],
                        b.markers[a].inCluster = !1,
                        this.mkIdx.push(a);
                    for (a = 0; a < this.mkIdx.length - 1; a++)
                        for (var e = b.markers[this.mkIdx[a]].getLatLon(), c = a + 1; c < this.mkIdx.length; c++) {
                            var d = b.markers[this.mkIdx[c]].getLatLon()
                              , f = e.lon - d.lon;
                            Math.sqrt(Math.pow(e.lat - d.lat, 2) + Math.pow(f, 2)) <= this.radius && (b.markers[this.mkIdx[a]].relateds.push(this.mkIdx[c]),
                            b.markers[this.mkIdx[c]].relateds.push(this.mkIdx[a]))
                        }
                }
            },
            createCluster: function() {
                this.mkIdx.sort(function(a, c) {
                    return b.markers[c].relateds.length == b.markers[a].relateds.length ? b.markers[a].markerNo - b.markers[c].markerNo : b.markers[c].relateds.length - b.markers[a].relateds.length
                });
                for (var a = null, e = 0; e < this.mkIdx.length; e++)
                    if (0 < b.markers[this.mkIdx[e]].relateds.length && 0 == b.markers[this.mkIdx[e]].inCluster) {
                        a = b.markers[this.mkIdx[e]];
                        break
                    }
                if (null != a) {
                    e = new b.options.cluster(a.relateds.length + 1,a.getLatLon());
                    f.addWidget(e);
                    e.open();
                    e = {
                        owner: e,
                        markers: []
                    };
                    a.inCluster = !0;
                    a.hidden();
                    e.markers.push(a);
                    for (var c = 0; c < a.relateds.length; c++) {
                        var d = a.relateds[c];
                        e.markers.push(b.markers[d]);
                        b.markers[d].hidden();
                        b.markers[d].inCluster = !0;
                        for (var h = b.markers[d].relateds.length, k = 0; k < h; k++) {
                            var l = b.markers[d].relateds[k];
                            if (!b.markers[l].inCluster) {
                                var n = b.indexOf(b.markers[l].relateds, d);
                                b.markers[l].relateds.splice(n, 1)
                            }
                        }
                    }
                    b.clusters.push(e);
                    b.addClusterEventHandle(e);
                    this.createCluster()
                }
            },
            cluster: function() {
                this.getRarius();
                this.getRelation();
                this.createCluster()
            },
            clear: function() {
                if (0 < b.clusters.length) {
                    for (var a = 0; a < b.clusters.length; a++)
                        null != b.clusters[a].owner && f.removeWidget(b.clusters[a].owner);
                    b.clusters = [];
                    if (0 < b.markers.length)
                        for (a = 0; a < b.markers.length; a++)
                            b.markers[a].visible()
                }
            }
        };
        this.clusterer = {
            boundSize: {
                lat: 0,
                lon: 0
            },
            getBoundSize: function() {
                var a = f.getZoom()
                  , e = b.options
                  , c = b.miriLon;
                this.boundSize = {
                    lat: d.msTodeg(e.radius * b.miriLat[f.getMapType().zoomRange[a]] / 2),
                    lon: d.msTodeg(e.radius * c[f.getMapType().zoomRange[a]] / 2)
                }
            },
            createCluster: function() {
                for (var a = 0; a < b.markers.length; a++)
                    b.markers[a].isClustering = !1;
                for (a = 0; a < b.markers.length - 1; a++) {
                    var e = b.markers[a];
                    if (!e.isClustering) {
                        for (var c = e.getLatLon(), g = new d.LatLon(parseFloat(c.lat) - this.boundSize.lat,parseFloat(c.lon) + this.boundSize.lon), h = new d.LatLon(parseFloat(c.lat) + this.boundSize.lat,parseFloat(c.lon) + this.boundSize.lon), k = new d.LatLon(parseFloat(c.lat) + this.boundSize.lat,parseFloat(c.lon) - this.boundSize.lon), l = new d.LatLon(parseFloat(c.lat) - this.boundSize.lat,parseFloat(c.lon) - this.boundSize.lon), n = [], q = a + 1; q < b.markers.length; q++) {
                            var p = b.markers[q];
                            if (!p.isClustering) {
                                var m = p.getLatLon()
                                  , m = new d.LatLonBox(new d.LatLon(parseFloat(m.lat) - this.boundSize.lat,parseFloat(m.lon) - this.boundSize.lon),new d.LatLon(parseFloat(m.lat) + this.boundSize.lat,parseFloat(m.lon) + this.boundSize.lon));
                                if (d.getLineCrossRectLatLons(g, h, m) || d.getLineCrossRectLatLons(h, k, m) || d.getLineCrossRectLatLons(k, l, m) || d.getLineCrossRectLatLons(l, g, m))
                                    p.isClustering = !0,
                                    p.hidden(),
                                    n.push(p)
                            }
                        }
                        0 < n.length && (n.push(e),
                        c = new b.options.cluster(n.length,c),
                        f.addWidget(c),
                        c.open(),
                        e.hidden(),
                        e.isClustering = !0,
                        e = {
                            owner: c,
                            markers: n
                        },
                        b.clusters.push(e),
                        b.addClusterEventHandle(e))
                    }
                }
            },
            cluster: function() {
                this.getBoundSize();
                this.createCluster()
            },
            clear: function() {
                if (0 < b.clusters.length) {
                    for (var a = 0; a < b.clusters.length; a++)
                        null != b.clusters[a].owner && f.removeWidget(b.clusters[a].owner);
                    b.clusters = [];
                    if (0 < b.markers.length)
                        for (a = 0; a < b.markers.length; a++)
                            b.markers[a].visible()
                }
            }
        };
        d.MarkerCluster.prototype.addMarkers = d.MarkerCluster.prototype.addMarkers = this.addMarkers = function(a) {
            for (var b = 0; b < a.length; b++)
                a[b].markerNo = this.markerNo,
                f && f.addWidget(a[b]),
                this.markers.push(a[b]),
                this.markerNo++
        }
        ;
        d.MarkerCluster.prototype.setMethod = d.MarkerCluster.prototype.setMethod = this.setMethod = function(a) {
            a != this.options.method && (this.options.method = a)
        }
        ;
        d.MarkerCluster.prototype.setRadius = d.MarkerCluster.prototype.setRadius = this.setRadius = function(a) {
            a != this.options.radius && (this.options.radius = a)
        }
        ;
        d.MarkerCluster.prototype.setMaxZoom = d.MarkerCluster.prototype.setMaxZoom = this.setMaxZoom = function(a) {
            a != this.options.maxZoom && (f.getZoom(),
            this.options.maxZoom = a)
        }
        ;
        d.MarkerCluster.prototype.getClusterMarker = d.MarkerCluster.prototype.getClusterMarker = this.getClusterMarker = function() {
            return this.clusters
        }
        ;
        d.MarkerCluster.prototype.getMaxZoom = d.MarkerCluster.prototype.getMaxZoom = this.getMaxZoom = function() {
            return this.options.maxZoom
        }
        ;
        d.MarkerCluster.prototype.redraw = d.MarkerCluster.prototype.redraw = this.redraw = function() {
            this.kmeans.clear();
            this.distance.clear();
            this.clusterer.clear();
            this.draw()
        }
        ;
        d.MarkerCluster.prototype.draw = d.MarkerCluster.prototype.draw = this.draw = function() {
            var a = f.getZoom();
            0 >= this.options.radius || a > this.options.maxZoom || 0 >= this.markers.length || ("k-means" == this.options.method && this.kmeans.cluster(),
            "distance" == this.options.method && this.distance.cluster(),
            "box" == this.options.method && this.clusterer.cluster())
        }
        ;
        d.MarkerCluster.prototype.removeMarker = d.MarkerCluster.prototype.removeMarker = this.removeMarker = function() {
            this.options.markers = [];
            for (var a = 0; a < this.markers.length; a++)
                f.removeWidget(this.markers[a]);
            this.markers = b.markers = [];
            this.redraw()
        }
        ;
        this.options.markers && 0 < this.options.markers.length && (this.addMarkers(this.options.markers),
        this.redraw());
        d.addListener(f, d.MAP_CHG_ZOOM, function() {
            b.redraw()
        })
    }
}
)();