逐步完成前后端服务器

frontend/node_modules/echarts/lib/data/helper/dimensionHelper.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 { each, createHashMap, assert, map } from 'zrender/lib/core/util.js';
+import { VISUAL_DIMENSIONS } from '../../util/types.js';
+var DimensionUserOuput = /** @class */function () {
+  function DimensionUserOuput(encode, dimRequest) {
+    this._encode = encode;
+    this._schema = dimRequest;
+  }
+  DimensionUserOuput.prototype.get = function () {
+    return {
+      // Do not generate full dimension name until fist used.
+      fullDimensions: this._getFullDimensionNames(),
+      encode: this._encode
+    };
+  };
+  /**
+   * Get all data store dimension names.
+   * Theoretically a series data store is defined both by series and used dataset (if any).
+   * If some dimensions are omitted for performance reason in `this.dimensions`,
+   * the dimension name may not be auto-generated if user does not specify a dimension name.
+   * In this case, the dimension name is `null`/`undefined`.
+   */
+  DimensionUserOuput.prototype._getFullDimensionNames = function () {
+    if (!this._cachedDimNames) {
+      this._cachedDimNames = this._schema ? this._schema.makeOutputDimensionNames() : [];
+    }
+    return this._cachedDimNames;
+  };
+  return DimensionUserOuput;
+}();
+;
+export function summarizeDimensions(data, schema) {
+  var summary = {};
+  var encode = summary.encode = {};
+  var notExtraCoordDimMap = createHashMap();
+  var defaultedLabel = [];
+  var defaultedTooltip = [];
+  var userOutputEncode = {};
+  each(data.dimensions, function (dimName) {
+    var dimItem = data.getDimensionInfo(dimName);
+    var coordDim = dimItem.coordDim;
+    if (coordDim) {
+      if (process.env.NODE_ENV !== 'production') {
+        assert(VISUAL_DIMENSIONS.get(coordDim) == null);
+      }
+      var coordDimIndex = dimItem.coordDimIndex;
+      getOrCreateEncodeArr(encode, coordDim)[coordDimIndex] = dimName;
+      if (!dimItem.isExtraCoord) {
+        notExtraCoordDimMap.set(coordDim, 1);
+        // Use the last coord dim (and label friendly) as default label,
+        // because when dataset is used, it is hard to guess which dimension
+        // can be value dimension. If both show x, y on label is not look good,
+        // and conventionally y axis is focused more.
+        if (mayLabelDimType(dimItem.type)) {
+          defaultedLabel[0] = dimName;
+        }
+        // User output encode do not contain generated coords.
+        // And it only has index. User can use index to retrieve value from the raw item array.
+        getOrCreateEncodeArr(userOutputEncode, coordDim)[coordDimIndex] = data.getDimensionIndex(dimItem.name);
+      }
+      if (dimItem.defaultTooltip) {
+        defaultedTooltip.push(dimName);
+      }
+    }
+    VISUAL_DIMENSIONS.each(function (v, otherDim) {
+      var encodeArr = getOrCreateEncodeArr(encode, otherDim);
+      var dimIndex = dimItem.otherDims[otherDim];
+      if (dimIndex != null && dimIndex !== false) {
+        encodeArr[dimIndex] = dimItem.name;
+      }
+    });
+  });
+  var dataDimsOnCoord = [];
+  var encodeFirstDimNotExtra = {};
+  notExtraCoordDimMap.each(function (v, coordDim) {
+    var dimArr = encode[coordDim];
+    encodeFirstDimNotExtra[coordDim] = dimArr[0];
+    // Not necessary to remove duplicate, because a data
+    // dim canot on more than one coordDim.
+    dataDimsOnCoord = dataDimsOnCoord.concat(dimArr);
+  });
+  summary.dataDimsOnCoord = dataDimsOnCoord;
+  summary.dataDimIndicesOnCoord = map(dataDimsOnCoord, function (dimName) {
+    return data.getDimensionInfo(dimName).storeDimIndex;
+  });
+  summary.encodeFirstDimNotExtra = encodeFirstDimNotExtra;
+  var encodeLabel = encode.label;
+  // FIXME `encode.label` is not recommended, because formatter cannot be set
+  // in this way. Use label.formatter instead. Maybe remove this approach someday.
+  if (encodeLabel && encodeLabel.length) {
+    defaultedLabel = encodeLabel.slice();
+  }
+  var encodeTooltip = encode.tooltip;
+  if (encodeTooltip && encodeTooltip.length) {
+    defaultedTooltip = encodeTooltip.slice();
+  } else if (!defaultedTooltip.length) {
+    defaultedTooltip = defaultedLabel.slice();
+  }
+  encode.defaultedLabel = defaultedLabel;
+  encode.defaultedTooltip = defaultedTooltip;
+  summary.userOutput = new DimensionUserOuput(userOutputEncode, schema);
+  return summary;
+}
+function getOrCreateEncodeArr(encode, dim) {
+  if (!encode.hasOwnProperty(dim)) {
+    encode[dim] = [];
+  }
+  return encode[dim];
+}
+// FIXME:TS should be type `AxisType`
+export function getDimensionTypeByAxis(axisType) {
+  return axisType === 'category' ? 'ordinal' : axisType === 'time' ? 'time' : 'float';
+}
+function mayLabelDimType(dimType) {
+  // In most cases, ordinal and time do not suitable for label.
+  // Ordinal info can be displayed on axis. Time is too long.
+  return !(dimType === 'ordinal' || dimType === 'time');
+}
+// function findTheLastDimMayLabel(data) {
+//     // Get last value dim
+//     let dimensions = data.dimensions.slice();
+//     let valueType;
+//     let valueDim;
+//     while (dimensions.length && (
+//         valueDim = dimensions.pop(),
+//         valueType = data.getDimensionInfo(valueDim).type,
+//         valueType === 'ordinal' || valueType === 'time'
+//     )) {} // jshint ignore:line
+//     return valueDim;
+// }