en/builder/src/echarts/component/axis/CartesianAxisView.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.
*/
import * as zrUtil from 'zrender/src/core/util';
import * as graphic from '../../util/graphic';
import AxisBuilder from './AxisBuilder';
import AxisView from './AxisView';
import * as cartesianAxisHelper from '../../coord/cartesian/cartesianAxisHelper';
import { rectCoordAxisBuildSplitArea, rectCoordAxisHandleRemove } from './axisSplitHelper';
var axisBuilderAttrs = ['axisLine', 'axisTickLabel', 'axisName'];
var selfBuilderAttrs = ['splitArea', 'splitLine', 'minorSplitLine'];
var CartesianAxisView = AxisView.extend({
  type: 'cartesianAxis',
  axisPointerClass: 'CartesianAxisPointer',

  /**
   * @override
   */
  render: function (axisModel, ecModel, api, payload) {
    this.group.removeAll();
    var oldAxisGroup = this._axisGroup;
    this._axisGroup = new graphic.Group();
    this.group.add(this._axisGroup);

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

    var gridModel = axisModel.getCoordSysModel();
    var layout = cartesianAxisHelper.layout(gridModel, axisModel);
    var axisBuilder = new AxisBuilder(axisModel, layout);
    zrUtil.each(axisBuilderAttrs, axisBuilder.add, axisBuilder);

    this._axisGroup.add(axisBuilder.getGroup());

    zrUtil.each(selfBuilderAttrs, function (name) {
      if (axisModel.get(name + '.show')) {
        this['_' + name](axisModel, gridModel);
      }
    }, this);
    graphic.groupTransition(oldAxisGroup, this._axisGroup, axisModel);
    CartesianAxisView.superCall(this, 'render', axisModel, ecModel, api, payload);
  },
  remove: function () {
    rectCoordAxisHandleRemove(this);
  },

  /**
   * @param {module:echarts/coord/cartesian/AxisModel} axisModel
   * @param {module:echarts/coord/cartesian/GridModel} gridModel
   * @private
   */
  _splitLine: function (axisModel, gridModel) {
    var axis = axisModel.axis;

    if (axis.scale.isBlank()) {
      return;
    }

    var splitLineModel = axisModel.getModel('splitLine');
    var lineStyleModel = splitLineModel.getModel('lineStyle');
    var lineColors = lineStyleModel.get('color');
    lineColors = zrUtil.isArray(lineColors) ? lineColors : [lineColors];
    var gridRect = gridModel.coordinateSystem.getRect();
    var isHorizontal = axis.isHorizontal();
    var lineCount = 0;
    var ticksCoords = axis.getTicksCoords({
      tickModel: splitLineModel
    });
    var p1 = [];
    var p2 = [];
    var lineStyle = lineStyleModel.getLineStyle();

    for (var i = 0; i < ticksCoords.length; i++) {
      var tickCoord = axis.toGlobalCoord(ticksCoords[i].coord);

      if (isHorizontal) {
        p1[0] = tickCoord;
        p1[1] = gridRect.y;
        p2[0] = tickCoord;
        p2[1] = gridRect.y + gridRect.height;
      } else {
        p1[0] = gridRect.x;
        p1[1] = tickCoord;
        p2[0] = gridRect.x + gridRect.width;
        p2[1] = tickCoord;
      }

      var colorIndex = lineCount++ % lineColors.length;
      var tickValue = ticksCoords[i].tickValue;

      this._axisGroup.add(new graphic.Line({
        anid: tickValue != null ? 'line_' + ticksCoords[i].tickValue : null,
        subPixelOptimize: true,
        shape: {
          x1: p1[0],
          y1: p1[1],
          x2: p2[0],
          y2: p2[1]
        },
        style: zrUtil.defaults({
          stroke: lineColors[colorIndex]
        }, lineStyle),
        silent: true
      }));
    }
  },

  /**
   * @param {module:echarts/coord/cartesian/AxisModel} axisModel
   * @param {module:echarts/coord/cartesian/GridModel} gridModel
   * @private
   */
  _minorSplitLine: function (axisModel, gridModel) {
    var axis = axisModel.axis;
    var minorSplitLineModel = axisModel.getModel('minorSplitLine');
    var lineStyleModel = minorSplitLineModel.getModel('lineStyle');
    var gridRect = gridModel.coordinateSystem.getRect();
    var isHorizontal = axis.isHorizontal();
    var minorTicksCoords = axis.getMinorTicksCoords();

    if (!minorTicksCoords.length) {
      return;
    }

    var p1 = [];
    var p2 = [];
    var lineStyle = lineStyleModel.getLineStyle();

    for (var i = 0; i < minorTicksCoords.length; i++) {
      for (var k = 0; k < minorTicksCoords[i].length; k++) {
        var tickCoord = axis.toGlobalCoord(minorTicksCoords[i][k].coord);

        if (isHorizontal) {
          p1[0] = tickCoord;
          p1[1] = gridRect.y;
          p2[0] = tickCoord;
          p2[1] = gridRect.y + gridRect.height;
        } else {
          p1[0] = gridRect.x;
          p1[1] = tickCoord;
          p2[0] = gridRect.x + gridRect.width;
          p2[1] = tickCoord;
        }

        this._axisGroup.add(new graphic.Line({
          anid: 'minor_line_' + minorTicksCoords[i][k].tickValue,
          subPixelOptimize: true,
          shape: {
            x1: p1[0],
            y1: p1[1],
            x2: p2[0],
            y2: p2[1]
          },
          style: lineStyle,
          silent: true
        }));
      }
    }
  },

  /**
   * @param {module:echarts/coord/cartesian/AxisModel} axisModel
   * @param {module:echarts/coord/cartesian/GridModel} gridModel
   * @private
   */
  _splitArea: function (axisModel, gridModel) {
    rectCoordAxisBuildSplitArea(this, this._axisGroup, axisModel, gridModel);
  }
});
CartesianAxisView.extend({
  type: 'xAxis'
});
CartesianAxisView.extend({
  type: 'yAxis'
});