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node_modules/echarts/lib/coord/single/singleAxisHelper.js 3.16 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.
  */
  
  var zrUtil = require("zrender/lib/core/util");
  
  /*
  * 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.
  */
  
  /**
   * @param {Object} opt {labelInside}
   * @return {Object} {
   *  position, rotation, labelDirection, labelOffset,
   *  tickDirection, labelRotate, z2
   * }
   */
  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;
  }
  
  exports.layout = layout;