RadiusAxisView.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 graphic = require("../../util/graphic");

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

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

/*
* 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 axisBuilderAttrs = ['axisLine', 'axisTickLabel', 'axisName'];
var selfBuilderAttrs = ['splitLine', 'splitArea'];

var _default = AxisView.extend({
  type: 'radiusAxis',
  axisPointerClass: 'PolarAxisPointer',
  render: function (radiusAxisModel, ecModel) {
    this.group.removeAll();

    if (!radiusAxisModel.get('show')) {
      return;
    }

    var radiusAxis = radiusAxisModel.axis;
    var polar = radiusAxis.polar;
    var angleAxis = polar.getAngleAxis();
    var ticksCoords = radiusAxis.getTicksCoords();
    var axisAngle = angleAxis.getExtent()[0];
    var radiusExtent = radiusAxis.getExtent();
    var layout = layoutAxis(polar, radiusAxisModel, axisAngle);
    var axisBuilder = new AxisBuilder(radiusAxisModel, layout);
    zrUtil.each(axisBuilderAttrs, axisBuilder.add, axisBuilder);
    this.group.add(axisBuilder.getGroup());
    zrUtil.each(selfBuilderAttrs, function (name) {
      if (radiusAxisModel.get(name + '.show') && !radiusAxis.scale.isBlank()) {
        this['_' + name](radiusAxisModel, polar, axisAngle, radiusExtent, ticksCoords);
      }
    }, this);
  },

  /**
   * @private
   */
  _splitLine: function (radiusAxisModel, polar, axisAngle, radiusExtent, ticksCoords) {
    var splitLineModel = radiusAxisModel.getModel('splitLine');
    var lineStyleModel = splitLineModel.getModel('lineStyle');
    var lineColors = lineStyleModel.get('color');
    var lineCount = 0;
    lineColors = lineColors instanceof Array ? lineColors : [lineColors];
    var splitLines = [];

    for (var i = 0; i < ticksCoords.length; i++) {
      var colorIndex = lineCount++ % lineColors.length;
      splitLines[colorIndex] = splitLines[colorIndex] || [];
      splitLines[colorIndex].push(new graphic.Circle({
        shape: {
          cx: polar.cx,
          cy: polar.cy,
          r: ticksCoords[i].coord
        },
        silent: true
      }));
    } // Simple optimization
    // Batching the lines if color are the same


    for (var i = 0; i < splitLines.length; i++) {
      this.group.add(graphic.mergePath(splitLines[i], {
        style: zrUtil.defaults({
          stroke: lineColors[i % lineColors.length],
          fill: null
        }, lineStyleModel.getLineStyle()),
        silent: true
      }));
    }
  },

  /**
   * @private
   */
  _splitArea: function (radiusAxisModel, polar, axisAngle, radiusExtent, ticksCoords) {
    if (!ticksCoords.length) {
      return;
    }

    var splitAreaModel = radiusAxisModel.getModel('splitArea');
    var areaStyleModel = splitAreaModel.getModel('areaStyle');
    var areaColors = areaStyleModel.get('color');
    var lineCount = 0;
    areaColors = areaColors instanceof Array ? areaColors : [areaColors];
    var splitAreas = [];
    var prevRadius = ticksCoords[0].coord;

    for (var i = 1; i < ticksCoords.length; i++) {
      var colorIndex = lineCount++ % areaColors.length;
      splitAreas[colorIndex] = splitAreas[colorIndex] || [];
      splitAreas[colorIndex].push(new graphic.Sector({
        shape: {
          cx: polar.cx,
          cy: polar.cy,
          r0: prevRadius,
          r: ticksCoords[i].coord,
          startAngle: 0,
          endAngle: Math.PI * 2
        },
        silent: true
      }));
      prevRadius = ticksCoords[i].coord;
    } // Simple optimization
    // Batching the lines if color are the same


    for (var i = 0; i < splitAreas.length; i++) {
      this.group.add(graphic.mergePath(splitAreas[i], {
        style: zrUtil.defaults({
          fill: areaColors[i % areaColors.length]
        }, areaStyleModel.getAreaStyle()),
        silent: true
      }));
    }
  }
});
/**
 * @inner
 */


function layoutAxis(polar, radiusAxisModel, axisAngle) {
  return {
    position: [polar.cx, polar.cy],
    rotation: axisAngle / 180 * Math.PI,
    labelDirection: -1,
    tickDirection: -1,
    nameDirection: 1,
    labelRotate: radiusAxisModel.getModel('axisLabel').get('rotate'),
    // Over splitLine and splitArea
    z2: 1
  };
}

module.exports = _default;