@antv/g2
Version:
the Grammar of Graphics in Javascript
86 lines • 3.3 kB
JavaScript
;
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Connector = void 0;
const g_1 = require("@antv/g");
const component_1 = require("@antv/component");
const d3_shape_1 = require("d3-shape");
const coordinate_1 = require("../../utils/coordinate");
const helper_1 = require("../../utils/helper");
const selection_1 = require("../../utils/selection");
const utils_1 = require("../utils");
function inferSymbol(x, y, r) {
return [['M', x, y], ['L', x + 2 * r, y - r], ['L', x + 2 * r, y + r], ['Z']];
}
/**
* @todo support polar later.
*/
function inferConnectorPath(points) {
return (0, d3_shape_1.line)()
.x((d) => d[0])
.y((d) => d[1])(points);
}
function getPoints(coordinate, points, offset1, offset2, length1 = 0) {
const [[x0, y0], [x1, y1]] = points;
if ((0, coordinate_1.isTranspose)(coordinate)) {
const X0 = x0 + offset1;
const X1 = x1 + offset2;
const X = X0 + length1;
return [
[X0, y0],
[X, y0],
[X, y1],
[X1, y1],
];
}
const Y0 = y0 - offset1;
const Y1 = y1 - offset2;
const Y = Y0 - length1;
return [
[x0, Y0],
[x0, Y],
[x1, Y],
[x1, Y1],
];
}
const Connector = (options, context) => {
const { offset = 0, offset1 = offset, offset2 = offset, connectLength1: length1, endMarker = true } = options, style = __rest(options, ["offset", "offset1", "offset2", "connectLength1", "endMarker"]);
const { coordinate } = context;
return (points, value, defaults) => {
const { color: defaultColor, connectLength1 } = defaults, rest = __rest(defaults, ["color", "connectLength1"]);
const { color, transform } = value;
const P = getPoints(coordinate, points, offset1, offset2, length1 !== null && length1 !== void 0 ? length1 : connectLength1);
const makerStyle = (0, helper_1.subObject)(Object.assign(Object.assign({}, style), defaults), 'endMarker');
return (0, selection_1.select)(new g_1.Path())
.call(utils_1.applyStyle, rest)
.style('d', inferConnectorPath(P))
.style('stroke', color || defaultColor)
.style('transform', transform)
.style('markerEnd', endMarker
? new component_1.Marker({
className: 'marker',
style: Object.assign(Object.assign({}, makerStyle), { symbol: inferSymbol }),
})
: null)
.call(utils_1.applyStyle, style)
.node();
};
};
exports.Connector = Connector;
exports.Connector.props = {
defaultMarker: 'line',
defaultEnterAnimation: 'fadeIn',
defaultUpdateAnimation: 'morphing',
defaultExitAnimation: 'fadeOut',
};
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