逐步完成前后端服务器

frontend/node_modules/echarts/lib/chart/scatter/ScatterView.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 SymbolDraw from '../helper/SymbolDraw.js';
+import LargeSymbolDraw from '../helper/LargeSymbolDraw.js';
+import pointsLayout from '../../layout/points.js';
+import ChartView from '../../view/Chart.js';
+var ScatterView = /** @class */function (_super) {
+  __extends(ScatterView, _super);
+  function ScatterView() {
+    var _this = _super !== null && _super.apply(this, arguments) || this;
+    _this.type = ScatterView.type;
+    return _this;
+  }
+  ScatterView.prototype.render = function (seriesModel, ecModel, api) {
+    var data = seriesModel.getData();
+    var symbolDraw = this._updateSymbolDraw(data, seriesModel);
+    symbolDraw.updateData(data, {
+      // TODO
+      // If this parameter should be a shape or a bounding volume
+      // shape will be more general.
+      // But bounding volume like bounding rect will be much faster in the contain calculation
+      clipShape: this._getClipShape(seriesModel)
+    });
+    this._finished = true;
+  };
+  ScatterView.prototype.incrementalPrepareRender = function (seriesModel, ecModel, api) {
+    var data = seriesModel.getData();
+    var symbolDraw = this._updateSymbolDraw(data, seriesModel);
+    symbolDraw.incrementalPrepareUpdate(data);
+    this._finished = false;
+  };
+  ScatterView.prototype.incrementalRender = function (taskParams, seriesModel, ecModel) {
+    this._symbolDraw.incrementalUpdate(taskParams, seriesModel.getData(), {
+      clipShape: this._getClipShape(seriesModel)
+    });
+    this._finished = taskParams.end === seriesModel.getData().count();
+  };
+  ScatterView.prototype.updateTransform = function (seriesModel, ecModel, api) {
+    var data = seriesModel.getData();
+    // Must mark group dirty and make sure the incremental layer will be cleared
+    // PENDING
+    this.group.dirty();
+    if (!this._finished || data.count() > 1e4) {
+      return {
+        update: true
+      };
+    } else {
+      var res = pointsLayout('').reset(seriesModel, ecModel, api);
+      if (res.progress) {
+        res.progress({
+          start: 0,
+          end: data.count(),
+          count: data.count()
+        }, data);
+      }
+      this._symbolDraw.updateLayout(data);
+    }
+  };
+  ScatterView.prototype.eachRendered = function (cb) {
+    this._symbolDraw && this._symbolDraw.eachRendered(cb);
+  };
+  ScatterView.prototype._getClipShape = function (seriesModel) {
+    if (!seriesModel.get('clip', true)) {
+      return;
+    }
+    var coordSys = seriesModel.coordinateSystem;
+    // PENDING make `0.1` configurable, for example, `clipTolerance`?
+    return coordSys && coordSys.getArea && coordSys.getArea(.1);
+  };
+  ScatterView.prototype._updateSymbolDraw = function (data, seriesModel) {
+    var symbolDraw = this._symbolDraw;
+    var pipelineContext = seriesModel.pipelineContext;
+    var isLargeDraw = pipelineContext.large;
+    if (!symbolDraw || isLargeDraw !== this._isLargeDraw) {
+      symbolDraw && symbolDraw.remove();
+      symbolDraw = this._symbolDraw = isLargeDraw ? new LargeSymbolDraw() : new SymbolDraw();
+      this._isLargeDraw = isLargeDraw;
+      this.group.removeAll();
+    }
+    this.group.add(symbolDraw.group);
+    return symbolDraw;
+  };
+  ScatterView.prototype.remove = function (ecModel, api) {
+    this._symbolDraw && this._symbolDraw.remove(true);
+    this._symbolDraw = null;
+  };
+  ScatterView.prototype.dispose = function () {};
+  ScatterView.type = 'scatter';
+  return ScatterView;
+}(ChartView);
+export default ScatterView;