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node_modules/echarts/lib/component/axis/AxisView.js 3.33 KB
2a09d1a4   liuqimichale   添加宜春 天水 宣化
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  var _config = require("../../config");
  
  var __DEV__ = _config.__DEV__;
  
  var echarts = require("../../echarts");
  
  var axisPointerModelHelper = require("../axisPointer/modelHelper");
  
  /*
  * 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.
  */
  
  /**
   * Base class of AxisView.
   */
  var AxisView = echarts.extendComponentView({
    type: 'axis',
  
    /**
     * @private
     */
    _axisPointer: null,
  
    /**
     * @protected
     * @type {string}
     */
    axisPointerClass: null,
  
    /**
     * @override
     */
    render: function (axisModel, ecModel, api, payload) {
      // FIXME
      // This process should proformed after coordinate systems updated
      // (axis scale updated), and should be performed each time update.
      // So put it here temporarily, although it is not appropriate to
      // put a model-writing procedure in `view`.
      this.axisPointerClass && axisPointerModelHelper.fixValue(axisModel);
      AxisView.superApply(this, 'render', arguments);
      updateAxisPointer(this, axisModel, ecModel, api, payload, true);
    },
  
    /**
     * Action handler.
     * @public
     * @param {module:echarts/coord/cartesian/AxisModel} axisModel
     * @param {module:echarts/model/Global} ecModel
     * @param {module:echarts/ExtensionAPI} api
     * @param {Object} payload
     */
    updateAxisPointer: function (axisModel, ecModel, api, payload, force) {
      updateAxisPointer(this, axisModel, ecModel, api, payload, false);
    },
  
    /**
     * @override
     */
    remove: function (ecModel, api) {
      var axisPointer = this._axisPointer;
      axisPointer && axisPointer.remove(api);
      AxisView.superApply(this, 'remove', arguments);
    },
  
    /**
     * @override
     */
    dispose: function (ecModel, api) {
      disposeAxisPointer(this, api);
      AxisView.superApply(this, 'dispose', arguments);
    }
  });
  
  function updateAxisPointer(axisView, axisModel, ecModel, api, payload, forceRender) {
    var Clazz = AxisView.getAxisPointerClass(axisView.axisPointerClass);
  
    if (!Clazz) {
      return;
    }
  
    var axisPointerModel = axisPointerModelHelper.getAxisPointerModel(axisModel);
    axisPointerModel ? (axisView._axisPointer || (axisView._axisPointer = new Clazz())).render(axisModel, axisPointerModel, api, forceRender) : disposeAxisPointer(axisView, api);
  }
  
  function disposeAxisPointer(axisView, ecModel, api) {
    var axisPointer = axisView._axisPointer;
    axisPointer && axisPointer.dispose(ecModel, api);
    axisView._axisPointer = null;
  }
  
  var axisPointerClazz = [];
  
  AxisView.registerAxisPointerClass = function (type, clazz) {
    axisPointerClazz[type] = clazz;
  };
  
  AxisView.getAxisPointerClass = function (type) {
    return type && axisPointerClazz[type];
  };
  
  var _default = AxisView;
  module.exports = _default;