TDataView_ui/scripts/mod/gcms/gcmsDrawPolygon.js

/**
 * [ONEMAP.M.gcmsDrawPolygon]
 * @return {[object]}
 */
define(function() {
    //数据存放和外部调用
    var modValue = {
        options: {},
        mapDrawGroup: null,
    };

    /**
     * 模块初始化
     * @return {[type]} [description]
     */
    function init(options) {
        remove();
        modValue.mapDrawGroup = map23DControl.group({
            action: 'add'
        });
        modValue.options = {};
        for (var op in options) {
            modValue.options[op] = options[op];
        }

        //订阅推送
        subscribe();
        //modValue.mapDrawGroup.addTo(_map);

        //获取内容数据
        getDetailData({
            callback: function() {
                showDrawLayer();
            }
        });

    }


    /**
     * 坐标反转
     * @param  {[type]} latlngsAry [description]
     * @return {[type]}            [description]
     */
    function latLngsToReverse(latlngsAry) {
        var tempLatlngsAry = JSON.parse(JSON.stringify(latlngsAry));
        if (!$.isArray(tempLatlngsAry[0])) {
            return tempLatlngsAry.reverse();
        } else {
            $(tempLatlngsAry).each(function(index, el) {
                tempLatlngsAry[index] = latLngsToReverse(el);
            });
        }

        return tempLatlngsAry;
    };


    function getDetailData(options) {
        ONEMAP.V.loading.load();
        $.ajax({
                url: onemapUrlConfig.gcmsServiceUrl + '/show/' + modValue.options['column_name'] + '/' + modValue.options['article_id'],
                type: "GET",
                dataType: 'json'
            })
            .done(function(data) {
                
                ONEMAP.V.loading.loaded();
                if (data.code == 4) {
                    ONEMAP.T.noPermission('getDetailData');
                }
                if (data.code == 3) {
                    ONEMAP.T.logout('getDetailData');
                }
                ONEMAP.D.gcmsCurArticleData = data['data'];
                options.callback();
            })
            .fail(function() {
                ONEMAP.V.loading.loaded();
            });
    }


    /**
     * 显示标注内容
     * @return {[type]} [description]
     */
    function showDrawLayer() {
        var mapDrawData = JSON.parse(ONEMAP.D.gcmsCurArticleData['record'][modValue.options['field_name']]);
        if (mapDrawData['features'].length > 0) {
            $(mapDrawData['features']).each(function(index, el) {
                //switch(el['properties']['type']){
                //case 'Polygon'://线
                buildPolygon(el);
                // break;
                //}
            });
            map2DViewer.map.fitBounds(map2DViewer.groups[modValue.mapDrawGroup].getBounds());

        } else {
            ONEMAP.C.publisher.publish({ type: 'warning', message: '没有标注数据' }, 'noteBar::add');
        }
    }

    function buildPolygon(options) {
        if (!options['properties']['style']) {
            _.merge(options['properties'], {
                style: {
                    color: '#0033ff',
                    weight: 5,
                    opacity: 0.5,
                    fillColor: '#0033ff',
                    fillOpacity: 0.2,
                    stroke: true
                }
            })
        }
        var coordinates = options.geometry.coordinates;
        for(var i=0;i<coordinates.length;i++){
            map23DControl.polygon({
                action: 'add',
                groupId: modValue.mapDrawGroup,
                geojson: {
                    "properties": {
                        altitudeMode: 0,
                        color: options['properties']['style'].color,
                        weight: options['properties']['style'].weight,
                        opacity: options['properties']['style'].opacity,
                        fillColor: options['properties']['style'].fillColor,
                        fillOpacity: options['properties']['style'].fillOpacity,
                        stroke: options['properties']['style'].stroke
                    },
                    "geometry": {
                        "coordinates": coordinates[i]
                    }
                }
            })
        }
    }

    /**
     * 注册监听
     * @type {Function}
     */
    function subscribe() {
        ONEMAP.C.publisher.subscribe(remove, 'gcmsArticleShowRemove');
        ONEMAP.C.publisher.subscribe(remove, 'cleanMap');
        ONEMAP.C.publisher.subscribe(GroupControl, 'gcmsGroupControl');
    }

    /**
     * 取消监听
     * @type {Function}
     */
    function unSubscribe() {}

    /**
     * 模块移除
     * @return {[type]} [description]
     */
    function remove() {
        map23DControl.group({
            action: 'cleanAll',
            guid: modValue.mapDrawGroup
        })
        map23DControl.group({
            action: 'remove',
            guid: modValue.mapDrawGroup
        })
        unSubscribe();
    }
    function GroupControl(type) {
        if (type == "show") {
            map23DControl.group({
                action: 'show',
                guid: modValue.mapDrawGroup
            })
            map23DControl.group({
                action: 'show',
                guid: modValue.mapDrawGroup
            })
        } else if (type == "hide") {
            map23DControl.group({
                action: 'hide',
                guid: modValue.mapDrawGroup
            })
            map23DControl.group({
                action: 'hide',
                guid: modValue.mapDrawGroup
            })
        }
    }
    return ONEMAP.M.gcmsDrawPolygon = {
        init: init,
        remove: remove
    }
});