GeoModel.js

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/

var zrUtil = require("zrender/lib/core/util");

var modelUtil = require("../../util/model");

var ComponentModel = require("../../model/Component");

var Model = require("../../model/Model");

var selectableMixin = require("../../component/helper/selectableMixin");

var geoCreator = require("./geoCreator");

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/
var GeoModel = ComponentModel.extend({
  type: 'geo',

  /**
   * @type {module:echarts/coord/geo/Geo}
   */
  coordinateSystem: null,
  layoutMode: 'box',
  init: function (option) {
    ComponentModel.prototype.init.apply(this, arguments); // Default label emphasis `show`

    modelUtil.defaultEmphasis(option, 'label', ['show']);
  },
  optionUpdated: function () {
    var option = this.option;
    var self = this;
    option.regions = geoCreator.getFilledRegions(option.regions, option.map, option.nameMap);
    this._optionModelMap = zrUtil.reduce(option.regions || [], function (optionModelMap, regionOpt) {
      if (regionOpt.name) {
        optionModelMap.set(regionOpt.name, new Model(regionOpt, self));
      }

      return optionModelMap;
    }, zrUtil.createHashMap());
    this.updateSelectedMap(option.regions);
  },
  defaultOption: {
    zlevel: 0,
    z: 0,
    show: true,
    left: 'center',
    top: 'center',
    // width:,
    // height:,
    // right
    // bottom
    // Aspect is width / height. Inited to be geoJson bbox aspect
    // This parameter is used for scale this aspect
    // If svg used, aspectScale is 1 by default.
    // aspectScale: 0.75,
    aspectScale: null,
    ///// Layout with center and size
    // If you wan't to put map in a fixed size box with right aspect ratio
    // This two properties may more conveninet
    // layoutCenter: [50%, 50%]
    // layoutSize: 100
    silent: false,
    // Map type
    map: '',
    // Define left-top, right-bottom coords to control view
    // For example, [ [180, 90], [-180, -90] ]
    boundingCoords: null,
    // Default on center of map
    center: null,
    zoom: 1,
    scaleLimit: null,
    // selectedMode: false
    label: {
      show: false,
      color: '#000'
    },
    itemStyle: {
      // color: 各异,
      borderWidth: 0.5,
      borderColor: '#444',
      color: '#eee'
    },
    emphasis: {
      label: {
        show: true,
        color: 'rgb(100,0,0)'
      },
      itemStyle: {
        color: 'rgba(255,215,0,0.8)'
      }
    },
    regions: []
  },

  /**
   * Get model of region
   * @param  {string} name
   * @return {module:echarts/model/Model}
   */
  getRegionModel: function (name) {
    return this._optionModelMap.get(name) || new Model(null, this, this.ecModel);
  },

  /**
   * Format label
   * @param {string} name Region name
   * @param {string} [status='normal'] 'normal' or 'emphasis'
   * @return {string}
   */
  getFormattedLabel: function (name, status) {
    var regionModel = this.getRegionModel(name);
    var formatter = regionModel.get('label.' + status + '.formatter');
    var params = {
      name: name
    };

    if (typeof formatter === 'function') {
      params.status = status;
      return formatter(params);
    } else if (typeof formatter === 'string') {
      return formatter.replace('{a}', name != null ? name : '');
    }
  },
  setZoom: function (zoom) {
    this.option.zoom = zoom;
  },
  setCenter: function (center) {
    this.option.center = center;
  }
});
zrUtil.mixin(GeoModel, selectableMixin);
var _default = GeoModel;
module.exports = _default;