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node_modules/echarts/src/coord/single/singleAxisHelper.js 2.46 KB
aaac7fed   liuqimichale   add
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  /*
  * 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.
  */
  
  import * as zrUtil from 'zrender/src/core/util';
  
  /**
   * @param {Object} opt {labelInside}
   * @return {Object} {
   *  position, rotation, labelDirection, labelOffset,
   *  tickDirection, labelRotate, z2
   * }
   */
  export function layout(axisModel, opt) {
      opt = opt || {};
      var single = axisModel.coordinateSystem;
      var axis = axisModel.axis;
      var layout = {};
  
      var axisPosition = axis.position;
      var orient = axis.orient;
  
      var rect = single.getRect();
      var rectBound = [rect.x, rect.x + rect.width, rect.y, rect.y + rect.height];
  
      var positionMap = {
          horizontal: {top: rectBound[2], bottom: rectBound[3]},
          vertical: {left: rectBound[0], right: rectBound[1]}
      };
  
      layout.position = [
          orient === 'vertical'
              ? positionMap.vertical[axisPosition]
              : rectBound[0],
          orient === 'horizontal'
              ? positionMap.horizontal[axisPosition]
              : rectBound[3]
      ];
  
      var r = {horizontal: 0, vertical: 1};
      layout.rotation = Math.PI / 2 * r[orient];
  
      var directionMap = {top: -1, bottom: 1, right: 1, left: -1};
  
      layout.labelDirection = layout.tickDirection
          = layout.nameDirection
          = directionMap[axisPosition];
  
      if (axisModel.get('axisTick.inside')) {
          layout.tickDirection = -layout.tickDirection;
      }
  
      if (zrUtil.retrieve(opt.labelInside, axisModel.get('axisLabel.inside'))) {
          layout.labelDirection = -layout.labelDirection;
      }
  
      var labelRotation = opt.rotate;
      labelRotation == null && (labelRotation = axisModel.get('axisLabel.rotate'));
      layout.labelRotation = axisPosition === 'top' ? -labelRotation : labelRotation;
  
      layout.z2 = 1;
  
      return layout;
  }