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frontend/node_modules/echarts/lib/component/visualMap/ContinuousModel.js

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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.
+*/
+
+
+/**
+ * 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 VisualMapModel from './VisualMapModel.js';
+import * as numberUtil from '../../util/number.js';
+import { inheritDefaultOption } from '../../util/component.js';
+// Constant
+var DEFAULT_BAR_BOUND = [20, 140];
+var ContinuousModel = /** @class */function (_super) {
+  __extends(ContinuousModel, _super);
+  function ContinuousModel() {
+    var _this = _super !== null && _super.apply(this, arguments) || this;
+    _this.type = ContinuousModel.type;
+    return _this;
+  }
+  /**
+   * @override
+   */
+  ContinuousModel.prototype.optionUpdated = function (newOption, isInit) {
+    _super.prototype.optionUpdated.apply(this, arguments);
+    this.resetExtent();
+    this.resetVisual(function (mappingOption) {
+      mappingOption.mappingMethod = 'linear';
+      mappingOption.dataExtent = this.getExtent();
+    });
+    this._resetRange();
+  };
+  /**
+   * @protected
+   * @override
+   */
+  ContinuousModel.prototype.resetItemSize = function () {
+    _super.prototype.resetItemSize.apply(this, arguments);
+    var itemSize = this.itemSize;
+    (itemSize[0] == null || isNaN(itemSize[0])) && (itemSize[0] = DEFAULT_BAR_BOUND[0]);
+    (itemSize[1] == null || isNaN(itemSize[1])) && (itemSize[1] = DEFAULT_BAR_BOUND[1]);
+  };
+  /**
+   * @private
+   */
+  ContinuousModel.prototype._resetRange = function () {
+    var dataExtent = this.getExtent();
+    var range = this.option.range;
+    if (!range || range.auto) {
+      // `range` should always be array (so we don't use other
+      // value like 'auto') for user-friend. (consider getOption).
+      dataExtent.auto = 1;
+      this.option.range = dataExtent;
+    } else if (zrUtil.isArray(range)) {
+      if (range[0] > range[1]) {
+        range.reverse();
+      }
+      range[0] = Math.max(range[0], dataExtent[0]);
+      range[1] = Math.min(range[1], dataExtent[1]);
+    }
+  };
+  /**
+   * @protected
+   * @override
+   */
+  ContinuousModel.prototype.completeVisualOption = function () {
+    _super.prototype.completeVisualOption.apply(this, arguments);
+    zrUtil.each(this.stateList, function (state) {
+      var symbolSize = this.option.controller[state].symbolSize;
+      if (symbolSize && symbolSize[0] !== symbolSize[1]) {
+        symbolSize[0] = symbolSize[1] / 3; // For good looking.
+      }
+    }, this);
+  };
+  /**
+   * @override
+   */
+  ContinuousModel.prototype.setSelected = function (selected) {
+    this.option.range = selected.slice();
+    this._resetRange();
+  };
+  /**
+   * @public
+   */
+  ContinuousModel.prototype.getSelected = function () {
+    var dataExtent = this.getExtent();
+    var dataInterval = numberUtil.asc((this.get('range') || []).slice());
+    // Clamp
+    dataInterval[0] > dataExtent[1] && (dataInterval[0] = dataExtent[1]);
+    dataInterval[1] > dataExtent[1] && (dataInterval[1] = dataExtent[1]);
+    dataInterval[0] < dataExtent[0] && (dataInterval[0] = dataExtent[0]);
+    dataInterval[1] < dataExtent[0] && (dataInterval[1] = dataExtent[0]);
+    return dataInterval;
+  };
+  /**
+   * @override
+   */
+  ContinuousModel.prototype.getValueState = function (value) {
+    var range = this.option.range;
+    var dataExtent = this.getExtent();
+    // When range[0] === dataExtent[0], any value larger than dataExtent[0] maps to 'inRange'.
+    // range[1] is processed likewise.
+    return (range[0] <= dataExtent[0] || range[0] <= value) && (range[1] >= dataExtent[1] || value <= range[1]) ? 'inRange' : 'outOfRange';
+  };
+  ContinuousModel.prototype.findTargetDataIndices = function (range) {
+    var result = [];
+    this.eachTargetSeries(function (seriesModel) {
+      var dataIndices = [];
+      var data = seriesModel.getData();
+      data.each(this.getDataDimensionIndex(data), function (value, dataIndex) {
+        range[0] <= value && value <= range[1] && dataIndices.push(dataIndex);
+      }, this);
+      result.push({
+        seriesId: seriesModel.id,
+        dataIndex: dataIndices
+      });
+    }, this);
+    return result;
+  };
+  /**
+   * @implement
+   */
+  ContinuousModel.prototype.getVisualMeta = function (getColorVisual) {
+    var oVals = getColorStopValues(this, 'outOfRange', this.getExtent());
+    var iVals = getColorStopValues(this, 'inRange', this.option.range.slice());
+    var stops = [];
+    function setStop(value, valueState) {
+      stops.push({
+        value: value,
+        color: getColorVisual(value, valueState)
+      });
+    }
+    // Format to: outOfRange -- inRange -- outOfRange.
+    var iIdx = 0;
+    var oIdx = 0;
+    var iLen = iVals.length;
+    var oLen = oVals.length;
+    for (; oIdx < oLen && (!iVals.length || oVals[oIdx] <= iVals[0]); oIdx++) {
+      // If oVal[oIdx] === iVals[iIdx], oVal[oIdx] should be ignored.
+      if (oVals[oIdx] < iVals[iIdx]) {
+        setStop(oVals[oIdx], 'outOfRange');
+      }
+    }
+    for (var first = 1; iIdx < iLen; iIdx++, first = 0) {
+      // If range is full, value beyond min, max will be clamped.
+      // make a singularity
+      first && stops.length && setStop(iVals[iIdx], 'outOfRange');
+      setStop(iVals[iIdx], 'inRange');
+    }
+    for (var first = 1; oIdx < oLen; oIdx++) {
+      if (!iVals.length || iVals[iVals.length - 1] < oVals[oIdx]) {
+        // make a singularity
+        if (first) {
+          stops.length && setStop(stops[stops.length - 1].value, 'outOfRange');
+          first = 0;
+        }
+        setStop(oVals[oIdx], 'outOfRange');
+      }
+    }
+    var stopsLen = stops.length;
+    return {
+      stops: stops,
+      outerColors: [stopsLen ? stops[0].color : 'transparent', stopsLen ? stops[stopsLen - 1].color : 'transparent']
+    };
+  };
+  ContinuousModel.type = 'visualMap.continuous';
+  ContinuousModel.defaultOption = inheritDefaultOption(VisualMapModel.defaultOption, {
+    align: 'auto',
+    calculable: false,
+    hoverLink: true,
+    realtime: true,
+    handleIcon: 'path://M-11.39,9.77h0a3.5,3.5,0,0,1-3.5,3.5h-22a3.5,3.5,0,0,1-3.5-3.5h0a3.5,3.5,0,0,1,3.5-3.5h22A3.5,3.5,0,0,1-11.39,9.77Z',
+    handleSize: '120%',
+    handleStyle: {
+      borderColor: '#fff',
+      borderWidth: 1
+    },
+    indicatorIcon: 'circle',
+    indicatorSize: '50%',
+    indicatorStyle: {
+      borderColor: '#fff',
+      borderWidth: 2,
+      shadowBlur: 2,
+      shadowOffsetX: 1,
+      shadowOffsetY: 1,
+      shadowColor: 'rgba(0,0,0,0.2)'
+    }
+    // emphasis: {
+    //     handleStyle: {
+    //         shadowBlur: 3,
+    //         shadowOffsetX: 1,
+    //         shadowOffsetY: 1,
+    //         shadowColor: 'rgba(0,0,0,0.2)'
+    //     }
+    // }
+  });
+  return ContinuousModel;
+}(VisualMapModel);
+function getColorStopValues(visualMapModel, valueState, dataExtent) {
+  if (dataExtent[0] === dataExtent[1]) {
+    return dataExtent.slice();
+  }
+  // When using colorHue mapping, it is not linear color any more.
+  // Moreover, canvas gradient seems not to be accurate linear.
+  // FIXME
+  // Should be arbitrary value 100? or based on pixel size?
+  var count = 200;
+  var step = (dataExtent[1] - dataExtent[0]) / count;
+  var value = dataExtent[0];
+  var stopValues = [];
+  for (var i = 0; i <= count && value < dataExtent[1]; i++) {
+    stopValues.push(value);
+    value += step;
+  }
+  stopValues.push(dataExtent[1]);
+  return stopValues;
+}
+export default ContinuousModel;