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node_modules/echarts/lib/loading/default.js 2.64 KB
2a09d1a4   liuqimichale   添加宜春 天水 宣化
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  var zrUtil = require("zrender/lib/core/util");
  
  var graphic = require("../util/graphic");
  
  /*
  * 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 PI = Math.PI;
  /**
   * @param {module:echarts/ExtensionAPI} api
   * @param {Object} [opts]
   * @param {string} [opts.text]
   * @param {string} [opts.color]
   * @param {string} [opts.textColor]
   * @return {module:zrender/Element}
   */
  
  function _default(api, opts) {
    opts = opts || {};
    zrUtil.defaults(opts, {
      text: 'loading',
      color: '#c23531',
      textColor: '#000',
      maskColor: 'rgba(255, 255, 255, 0.8)',
      zlevel: 0
    });
    var mask = new graphic.Rect({
      style: {
        fill: opts.maskColor
      },
      zlevel: opts.zlevel,
      z: 10000
    });
    var arc = new graphic.Arc({
      shape: {
        startAngle: -PI / 2,
        endAngle: -PI / 2 + 0.1,
        r: 10
      },
      style: {
        stroke: opts.color,
        lineCap: 'round',
        lineWidth: 5
      },
      zlevel: opts.zlevel,
      z: 10001
    });
    var labelRect = new graphic.Rect({
      style: {
        fill: 'none',
        text: opts.text,
        textPosition: 'right',
        textDistance: 10,
        textFill: opts.textColor
      },
      zlevel: opts.zlevel,
      z: 10001
    });
    arc.animateShape(true).when(1000, {
      endAngle: PI * 3 / 2
    }).start('circularInOut');
    arc.animateShape(true).when(1000, {
      startAngle: PI * 3 / 2
    }).delay(300).start('circularInOut');
    var group = new graphic.Group();
    group.add(arc);
    group.add(labelRect);
    group.add(mask); // Inject resize
  
    group.resize = function () {
      var cx = api.getWidth() / 2;
      var cy = api.getHeight() / 2;
      arc.setShape({
        cx: cx,
        cy: cy
      });
      var r = arc.shape.r;
      labelRect.setShape({
        x: cx - r,
        y: cy - r,
        width: r * 2,
        height: r * 2
      });
      mask.setShape({
        x: 0,
        y: 0,
        width: api.getWidth(),
        height: api.getHeight()
      });
    };
  
    group.resize();
    return group;
  }
  
  module.exports = _default;