Vent-App/node_modules/echarts/lib/chart/candlestick/CandlestickView.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.
*/


/**
 * AUTO-GENERATED FILE. DO NOT MODIFY.
 */

/*
* 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 { __extends } from "tslib";
import * as zrUtil from 'zrender/lib/core/util.js';
import ChartView from '../../view/Chart.js';
import * as graphic from '../../util/graphic.js';
import { setStatesStylesFromModel, toggleHoverEmphasis } from '../../util/states.js';
import Path from 'zrender/lib/graphic/Path.js';
import { createClipPath } from '../helper/createClipPathFromCoordSys.js';
import { saveOldStyle } from '../../animation/basicTransition.js';
import { getBorderColor, getColor } from './candlestickVisual.js';
var SKIP_PROPS = ['color', 'borderColor'];
var CandlestickView = /** @class */function (_super) {
  __extends(CandlestickView, _super);
  function CandlestickView() {
    var _this = _super !== null && _super.apply(this, arguments) || this;
    _this.type = CandlestickView.type;
    return _this;
  }
  CandlestickView.prototype.render = function (seriesModel, ecModel, api) {
    // If there is clipPath created in large mode. Remove it.
    this.group.removeClipPath();
    // Clear previously rendered progressive elements.
    this._progressiveEls = null;
    this._updateDrawMode(seriesModel);
    this._isLargeDraw ? this._renderLarge(seriesModel) : this._renderNormal(seriesModel);
  };
  CandlestickView.prototype.incrementalPrepareRender = function (seriesModel, ecModel, api) {
    this._clear();
    this._updateDrawMode(seriesModel);
  };
  CandlestickView.prototype.incrementalRender = function (params, seriesModel, ecModel, api) {
    this._progressiveEls = [];
    this._isLargeDraw ? this._incrementalRenderLarge(params, seriesModel) : this._incrementalRenderNormal(params, seriesModel);
  };
  CandlestickView.prototype.eachRendered = function (cb) {
    graphic.traverseElements(this._progressiveEls || this.group, cb);
  };
  CandlestickView.prototype._updateDrawMode = function (seriesModel) {
    var isLargeDraw = seriesModel.pipelineContext.large;
    if (this._isLargeDraw == null || isLargeDraw !== this._isLargeDraw) {
      this._isLargeDraw = isLargeDraw;
      this._clear();
    }
  };
  CandlestickView.prototype._renderNormal = function (seriesModel) {
    var data = seriesModel.getData();
    var oldData = this._data;
    var group = this.group;
    var isSimpleBox = data.getLayout('isSimpleBox');
    var needsClip = seriesModel.get('clip', true);
    var coord = seriesModel.coordinateSystem;
    var clipArea = coord.getArea && coord.getArea();
    // There is no old data only when first rendering or switching from
    // stream mode to normal mode, where previous elements should be removed.
    if (!this._data) {
      group.removeAll();
    }
    data.diff(oldData).add(function (newIdx) {
      if (data.hasValue(newIdx)) {
        var itemLayout = data.getItemLayout(newIdx);
        if (needsClip && isNormalBoxClipped(clipArea, itemLayout)) {
          return;
        }
        var el = createNormalBox(itemLayout, newIdx, true);
        graphic.initProps(el, {
          shape: {
            points: itemLayout.ends
          }
        }, seriesModel, newIdx);
        setBoxCommon(el, data, newIdx, isSimpleBox);
        group.add(el);
        data.setItemGraphicEl(newIdx, el);
      }
    }).update(function (newIdx, oldIdx) {
      var el = oldData.getItemGraphicEl(oldIdx);
      // Empty data
      if (!data.hasValue(newIdx)) {
        group.remove(el);
        return;
      }
      var itemLayout = data.getItemLayout(newIdx);
      if (needsClip && isNormalBoxClipped(clipArea, itemLayout)) {
        group.remove(el);
        return;
      }
      if (!el) {
        el = createNormalBox(itemLayout, newIdx);
      } else {
        graphic.updateProps(el, {
          shape: {
            points: itemLayout.ends
          }
        }, seriesModel, newIdx);
        saveOldStyle(el);
      }
      setBoxCommon(el, data, newIdx, isSimpleBox);
      group.add(el);
      data.setItemGraphicEl(newIdx, el);
    }).remove(function (oldIdx) {
      var el = oldData.getItemGraphicEl(oldIdx);
      el && group.remove(el);
    }).execute();
    this._data = data;
  };
  CandlestickView.prototype._renderLarge = function (seriesModel) {
    this._clear();
    createLarge(seriesModel, this.group);
    var clipPath = seriesModel.get('clip', true) ? createClipPath(seriesModel.coordinateSystem, false, seriesModel) : null;
    if (clipPath) {
      this.group.setClipPath(clipPath);
    } else {
      this.group.removeClipPath();
    }
  };
  CandlestickView.prototype._incrementalRenderNormal = function (params, seriesModel) {
    var data = seriesModel.getData();
    var isSimpleBox = data.getLayout('isSimpleBox');
    var dataIndex;
    while ((dataIndex = params.next()) != null) {
      var itemLayout = data.getItemLayout(dataIndex);
      var el = createNormalBox(itemLayout, dataIndex);
      setBoxCommon(el, data, dataIndex, isSimpleBox);
      el.incremental = true;
      this.group.add(el);
      this._progressiveEls.push(el);
    }
  };
  CandlestickView.prototype._incrementalRenderLarge = function (params, seriesModel) {
    createLarge(seriesModel, this.group, this._progressiveEls, true);
  };
  CandlestickView.prototype.remove = function (ecModel) {
    this._clear();
  };
  CandlestickView.prototype._clear = function () {
    this.group.removeAll();
    this._data = null;
  };
  CandlestickView.type = 'candlestick';
  return CandlestickView;
}(ChartView);
var NormalBoxPathShape = /** @class */function () {
  function NormalBoxPathShape() {}
  return NormalBoxPathShape;
}();
var NormalBoxPath = /** @class */function (_super) {
  __extends(NormalBoxPath, _super);
  function NormalBoxPath(opts) {
    var _this = _super.call(this, opts) || this;
    _this.type = 'normalCandlestickBox';
    return _this;
  }
  NormalBoxPath.prototype.getDefaultShape = function () {
    return new NormalBoxPathShape();
  };
  NormalBoxPath.prototype.buildPath = function (ctx, shape) {
    var ends = shape.points;
    if (this.__simpleBox) {
      ctx.moveTo(ends[4][0], ends[4][1]);
      ctx.lineTo(ends[6][0], ends[6][1]);
    } else {
      ctx.moveTo(ends[0][0], ends[0][1]);
      ctx.lineTo(ends[1][0], ends[1][1]);
      ctx.lineTo(ends[2][0], ends[2][1]);
      ctx.lineTo(ends[3][0], ends[3][1]);
      ctx.closePath();
      ctx.moveTo(ends[4][0], ends[4][1]);
      ctx.lineTo(ends[5][0], ends[5][1]);
      ctx.moveTo(ends[6][0], ends[6][1]);
      ctx.lineTo(ends[7][0], ends[7][1]);
    }
  };
  return NormalBoxPath;
}(Path);
function createNormalBox(itemLayout, dataIndex, isInit) {
  var ends = itemLayout.ends;
  return new NormalBoxPath({
    shape: {
      points: isInit ? transInit(ends, itemLayout) : ends
    },
    z2: 100
  });
}
function isNormalBoxClipped(clipArea, itemLayout) {
  var clipped = true;
  for (var i = 0; i < itemLayout.ends.length; i++) {
    // If any point are in the region.
    if (clipArea.contain(itemLayout.ends[i][0], itemLayout.ends[i][1])) {
      clipped = false;
      break;
    }
  }
  return clipped;
}
function setBoxCommon(el, data, dataIndex, isSimpleBox) {
  var itemModel = data.getItemModel(dataIndex);
  el.useStyle(data.getItemVisual(dataIndex, 'style'));
  el.style.strokeNoScale = true;
  el.__simpleBox = isSimpleBox;
  setStatesStylesFromModel(el, itemModel);
  var sign = data.getItemLayout(dataIndex).sign;
  zrUtil.each(el.states, function (state, stateName) {
    var stateModel = itemModel.getModel(stateName);
    var color = getColor(sign, stateModel);
    var borderColor = getBorderColor(sign, stateModel) || color;
    var stateStyle = state.style || (state.style = {});
    color && (stateStyle.fill = color);
    borderColor && (stateStyle.stroke = borderColor);
  });
  var emphasisModel = itemModel.getModel('emphasis');
  toggleHoverEmphasis(el, emphasisModel.get('focus'), emphasisModel.get('blurScope'), emphasisModel.get('disabled'));
}
function transInit(points, itemLayout) {
  return zrUtil.map(points, function (point) {
    point = point.slice();
    point[1] = itemLayout.initBaseline;
    return point;
  });
}
var LargeBoxPathShape = /** @class */function () {
  function LargeBoxPathShape() {}
  return LargeBoxPathShape;
}();
var LargeBoxPath = /** @class */function (_super) {
  __extends(LargeBoxPath, _super);
  function LargeBoxPath(opts) {
    var _this = _super.call(this, opts) || this;
    _this.type = 'largeCandlestickBox';
    return _this;
  }
  LargeBoxPath.prototype.getDefaultShape = function () {
    return new LargeBoxPathShape();
  };
  LargeBoxPath.prototype.buildPath = function (ctx, shape) {
    // Drawing lines is more efficient than drawing
    // a whole line or drawing rects.
    var points = shape.points;
    for (var i = 0; i < points.length;) {
      if (this.__sign === points[i++]) {
        var x = points[i++];
        ctx.moveTo(x, points[i++]);
        ctx.lineTo(x, points[i++]);
      } else {
        i += 3;
      }
    }
  };
  return LargeBoxPath;
}(Path);
function createLarge(seriesModel, group, progressiveEls, incremental) {
  var data = seriesModel.getData();
  var largePoints = data.getLayout('largePoints');
  var elP = new LargeBoxPath({
    shape: {
      points: largePoints
    },
    __sign: 1,
    ignoreCoarsePointer: true
  });
  group.add(elP);
  var elN = new LargeBoxPath({
    shape: {
      points: largePoints
    },
    __sign: -1,
    ignoreCoarsePointer: true
  });
  group.add(elN);
  var elDoji = new LargeBoxPath({
    shape: {
      points: largePoints
    },
    __sign: 0,
    ignoreCoarsePointer: true
  });
  group.add(elDoji);
  setLargeStyle(1, elP, seriesModel, data);
  setLargeStyle(-1, elN, seriesModel, data);
  setLargeStyle(0, elDoji, seriesModel, data);
  if (incremental) {
    elP.incremental = true;
    elN.incremental = true;
  }
  if (progressiveEls) {
    progressiveEls.push(elP, elN);
  }
}
function setLargeStyle(sign, el, seriesModel, data) {
  // TODO put in visual?
  var borderColor = getBorderColor(sign, seriesModel)
  // Use color for border color by default.
  || getColor(sign, seriesModel);
  // Color must be excluded.
  // Because symbol provide setColor individually to set fill and stroke
  var itemStyle = seriesModel.getModel('itemStyle').getItemStyle(SKIP_PROPS);
  el.useStyle(itemStyle);
  el.style.fill = null;
  el.style.stroke = borderColor;
}
export default CandlestickView;