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frontend/node_modules/echarts/lib/component/axisPointer/CartesianAxisPointer.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 BaseAxisPointer from './BaseAxisPointer.js';
+import * as viewHelper from './viewHelper.js';
+import * as cartesianAxisHelper from '../../coord/cartesian/cartesianAxisHelper.js';
+var CartesianAxisPointer = /** @class */function (_super) {
+  __extends(CartesianAxisPointer, _super);
+  function CartesianAxisPointer() {
+    return _super !== null && _super.apply(this, arguments) || this;
+  }
+  /**
+   * @override
+   */
+  CartesianAxisPointer.prototype.makeElOption = function (elOption, value, axisModel, axisPointerModel, api) {
+    var axis = axisModel.axis;
+    var grid = axis.grid;
+    var axisPointerType = axisPointerModel.get('type');
+    var otherExtent = getCartesian(grid, axis).getOtherAxis(axis).getGlobalExtent();
+    var pixelValue = axis.toGlobalCoord(axis.dataToCoord(value, true));
+    if (axisPointerType && axisPointerType !== 'none') {
+      var elStyle = viewHelper.buildElStyle(axisPointerModel);
+      var pointerOption = pointerShapeBuilder[axisPointerType](axis, pixelValue, otherExtent);
+      pointerOption.style = elStyle;
+      elOption.graphicKey = pointerOption.type;
+      elOption.pointer = pointerOption;
+    }
+    var layoutInfo = cartesianAxisHelper.layout(grid.model, axisModel);
+    viewHelper.buildCartesianSingleLabelElOption(
+    // @ts-ignore
+    value, elOption, layoutInfo, axisModel, axisPointerModel, api);
+  };
+  /**
+   * @override
+   */
+  CartesianAxisPointer.prototype.getHandleTransform = function (value, axisModel, axisPointerModel) {
+    var layoutInfo = cartesianAxisHelper.layout(axisModel.axis.grid.model, axisModel, {
+      labelInside: false
+    });
+    // @ts-ignore
+    layoutInfo.labelMargin = axisPointerModel.get(['handle', 'margin']);
+    var pos = viewHelper.getTransformedPosition(axisModel.axis, value, layoutInfo);
+    return {
+      x: pos[0],
+      y: pos[1],
+      rotation: layoutInfo.rotation + (layoutInfo.labelDirection < 0 ? Math.PI : 0)
+    };
+  };
+  /**
+   * @override
+   */
+  CartesianAxisPointer.prototype.updateHandleTransform = function (transform, delta, axisModel, axisPointerModel) {
+    var axis = axisModel.axis;
+    var grid = axis.grid;
+    var axisExtent = axis.getGlobalExtent(true);
+    var otherExtent = getCartesian(grid, axis).getOtherAxis(axis).getGlobalExtent();
+    var dimIndex = axis.dim === 'x' ? 0 : 1;
+    var currPosition = [transform.x, transform.y];
+    currPosition[dimIndex] += delta[dimIndex];
+    currPosition[dimIndex] = Math.min(axisExtent[1], currPosition[dimIndex]);
+    currPosition[dimIndex] = Math.max(axisExtent[0], currPosition[dimIndex]);
+    var cursorOtherValue = (otherExtent[1] + otherExtent[0]) / 2;
+    var cursorPoint = [cursorOtherValue, cursorOtherValue];
+    cursorPoint[dimIndex] = currPosition[dimIndex];
+    // Make tooltip do not overlap axisPointer and in the middle of the grid.
+    var tooltipOptions = [{
+      verticalAlign: 'middle'
+    }, {
+      align: 'center'
+    }];
+    return {
+      x: currPosition[0],
+      y: currPosition[1],
+      rotation: transform.rotation,
+      cursorPoint: cursorPoint,
+      tooltipOption: tooltipOptions[dimIndex]
+    };
+  };
+  return CartesianAxisPointer;
+}(BaseAxisPointer);
+function getCartesian(grid, axis) {
+  var opt = {};
+  opt[axis.dim + 'AxisIndex'] = axis.index;
+  return grid.getCartesian(opt);
+}
+var pointerShapeBuilder = {
+  line: function (axis, pixelValue, otherExtent) {
+    var targetShape = viewHelper.makeLineShape([pixelValue, otherExtent[0]], [pixelValue, otherExtent[1]], getAxisDimIndex(axis));
+    return {
+      type: 'Line',
+      subPixelOptimize: true,
+      shape: targetShape
+    };
+  },
+  shadow: function (axis, pixelValue, otherExtent) {
+    var bandWidth = Math.max(1, axis.getBandWidth());
+    var span = otherExtent[1] - otherExtent[0];
+    return {
+      type: 'Rect',
+      shape: viewHelper.makeRectShape([pixelValue - bandWidth / 2, otherExtent[0]], [bandWidth, span], getAxisDimIndex(axis))
+    };
+  }
+};
+function getAxisDimIndex(axis) {
+  return axis.dim === 'x' ? 0 : 1;
+}
+export default CartesianAxisPointer;