Spaces:
Running
Running
File size: 6,283 Bytes
4bb817b |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 |
/*
* 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 BaseAxisPointer, {AxisPointerElementOptions} from './BaseAxisPointer';
import * as viewHelper from './viewHelper';
import * as cartesianAxisHelper from '../../coord/cartesian/cartesianAxisHelper';
import CartesianAxisModel from '../../coord/cartesian/AxisModel';
import ExtensionAPI from '../../core/ExtensionAPI';
import { ScaleDataValue, VerticalAlign, HorizontalAlign, CommonAxisPointerOption } from '../../util/types';
import Grid from '../../coord/cartesian/Grid';
import Axis2D from '../../coord/cartesian/Axis2D';
import { PathProps } from 'zrender/src/graphic/Path';
import Model from '../../model/Model';
// Not use top level axisPointer model
type AxisPointerModel = Model<CommonAxisPointerOption>;
class CartesianAxisPointer extends BaseAxisPointer {
/**
* @override
*/
makeElOption(
elOption: AxisPointerElementOptions,
value: ScaleDataValue,
axisModel: CartesianAxisModel,
axisPointerModel: AxisPointerModel,
api: ExtensionAPI
) {
const axis = axisModel.axis;
const grid = axis.grid;
const axisPointerType = axisPointerModel.get('type');
const otherExtent = getCartesian(grid, axis).getOtherAxis(axis).getGlobalExtent();
const pixelValue = axis.toGlobalCoord(axis.dataToCoord(value, true));
if (axisPointerType && axisPointerType !== 'none') {
const elStyle = viewHelper.buildElStyle(axisPointerModel);
const pointerOption = pointerShapeBuilder[axisPointerType](
axis, pixelValue, otherExtent
);
pointerOption.style = elStyle;
elOption.graphicKey = pointerOption.type;
elOption.pointer = pointerOption;
}
const layoutInfo = cartesianAxisHelper.layout(grid.model, axisModel);
viewHelper.buildCartesianSingleLabelElOption(
// @ts-ignore
value, elOption, layoutInfo, axisModel, axisPointerModel, api
);
}
/**
* @override
*/
getHandleTransform(
value: ScaleDataValue,
axisModel: CartesianAxisModel,
axisPointerModel: AxisPointerModel
) {
const layoutInfo = cartesianAxisHelper.layout(axisModel.axis.grid.model, axisModel, {
labelInside: false
});
// @ts-ignore
layoutInfo.labelMargin = axisPointerModel.get(['handle', 'margin']);
const pos = viewHelper.getTransformedPosition(axisModel.axis, value, layoutInfo);
return {
x: pos[0],
y: pos[1],
rotation: layoutInfo.rotation + (layoutInfo.labelDirection < 0 ? Math.PI : 0)
};
}
/**
* @override
*/
updateHandleTransform(
transform: {
x: number, y: number,
rotation: number
},
delta: number[],
axisModel: CartesianAxisModel,
axisPointerModel: AxisPointerModel
) {
const axis = axisModel.axis;
const grid = axis.grid;
const axisExtent = axis.getGlobalExtent(true);
const otherExtent = getCartesian(grid, axis).getOtherAxis(axis).getGlobalExtent();
const dimIndex = axis.dim === 'x' ? 0 : 1;
const 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]);
const cursorOtherValue = (otherExtent[1] + otherExtent[0]) / 2;
const cursorPoint = [cursorOtherValue, cursorOtherValue];
cursorPoint[dimIndex] = currPosition[dimIndex];
// Make tooltip do not overlap axisPointer and in the middle of the grid.
const tooltipOptions: {
verticalAlign?: VerticalAlign
align?: HorizontalAlign
}[] = [
{verticalAlign: 'middle'},
{align: 'center'}
];
return {
x: currPosition[0],
y: currPosition[1],
rotation: transform.rotation,
cursorPoint: cursorPoint,
tooltipOption: tooltipOptions[dimIndex]
};
}
}
function getCartesian(grid: Grid, axis: Axis2D) {
const opt = {} as {
xAxisIndex?: number
yAxisIndex?: number
};
opt[axis.dim + 'AxisIndex' as 'xAxisIndex' | 'yAxisIndex'] = axis.index;
return grid.getCartesian(opt);
}
const pointerShapeBuilder = {
line: function (axis: Axis2D, pixelValue: number, otherExtent: number[]): PathProps & { type: 'Line'} {
const targetShape = viewHelper.makeLineShape(
[pixelValue, otherExtent[0]],
[pixelValue, otherExtent[1]],
getAxisDimIndex(axis)
);
return {
type: 'Line',
subPixelOptimize: true,
shape: targetShape
};
},
shadow: function (axis: Axis2D, pixelValue: number, otherExtent: number[]): PathProps & { type: 'Rect'} {
const bandWidth = Math.max(1, axis.getBandWidth());
const span = otherExtent[1] - otherExtent[0];
return {
type: 'Rect',
shape: viewHelper.makeRectShape(
[pixelValue - bandWidth / 2, otherExtent[0]],
[bandWidth, span],
getAxisDimIndex(axis)
)
};
}
};
function getAxisDimIndex(axis: Axis2D) {
return axis.dim === 'x' ? 0 : 1;
}
export default CartesianAxisPointer;
|