逐步完成前后端服务器

frontend/node_modules/echarts/lib/visual/LegendVisualProvider.js

@@ -0,0 +1,81 @@
+
+/*
+* 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.
+*/
+/**
+ * LegendVisualProvider is an bridge that pick encoded color from data and
+ * provide to the legend component.
+ */
+var LegendVisualProvider = /** @class */function () {
+  function LegendVisualProvider(
+  // Function to get data after filtered. It stores all the encoding info
+  getDataWithEncodedVisual,
+  // Function to get raw data before filtered.
+  getRawData) {
+    this._getDataWithEncodedVisual = getDataWithEncodedVisual;
+    this._getRawData = getRawData;
+  }
+  LegendVisualProvider.prototype.getAllNames = function () {
+    var rawData = this._getRawData();
+    // We find the name from the raw data. In case it's filtered by the legend component.
+    // Normally, the name can be found in rawData, but can't be found in filtered data will display as gray.
+    return rawData.mapArray(rawData.getName);
+  };
+  LegendVisualProvider.prototype.containName = function (name) {
+    var rawData = this._getRawData();
+    return rawData.indexOfName(name) >= 0;
+  };
+  LegendVisualProvider.prototype.indexOfName = function (name) {
+    // Only get data when necessary.
+    // Because LegendVisualProvider constructor may be new in the stage that data is not prepared yet.
+    // Invoking Series#getData immediately will throw an error.
+    var dataWithEncodedVisual = this._getDataWithEncodedVisual();
+    return dataWithEncodedVisual.indexOfName(name);
+  };
+  LegendVisualProvider.prototype.getItemVisual = function (dataIndex, key) {
+    // Get encoded visual properties from final filtered data.
+    var dataWithEncodedVisual = this._getDataWithEncodedVisual();
+    return dataWithEncodedVisual.getItemVisual(dataIndex, key);
+  };
+  return LegendVisualProvider;
+}();
+export default LegendVisualProvider;