@antv/g2
Version:
the Grammar of Graphics in Javascript
98 lines • 4.29 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
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.Label = void 0;
const selection_1 = require("../../utils/selection");
const utils_1 = require("../../shape/utils");
const coordinate_1 = require("../../utils/coordinate");
const string_1 = require("../../utils/string");
const advance_1 = require("../text/advance");
const PositionProcessor = __importStar(require("./position"));
function inferPosition(position, coordinate) {
if (position !== undefined)
return position;
if ((0, coordinate_1.isCircular)(coordinate))
return 'inside';
if ((0, coordinate_1.isTranspose)(coordinate))
return 'right';
return 'top';
}
function getDefaultStyle(points, value, coordinate, theme, options, labels) {
// For non-series mark, calc position for label based on
// position and the bounds of shape.
const { position } = value;
const { render } = options;
const p = inferPosition(position, coordinate);
const labelType = render
? 'htmlLabel'
: p === 'inside'
? 'innerLabel'
: 'label';
const t = theme[labelType];
const v = Object.assign({}, t, value);
const processor = PositionProcessor[(0, string_1.camelCase)(p)];
if (!processor) {
throw new Error(`Unknown position: ${p}`);
}
return Object.assign(Object.assign({}, t), processor(p, points, v, coordinate, options, labels));
}
/**
* Render normal label for each mark.
* @todo Support position option: middle...
*/
const Label = (options, context) => {
const { coordinate, theme } = context;
const { render } = options;
return (points, value, style, labels) => {
const { text, x, y, transform: specifiedTS = '', transformOrigin, className = '' } = value, overrideStyle = __rest(value, ["text", "x", "y", "transform", "transformOrigin", "className"]);
const _a = getDefaultStyle(points, value, coordinate, theme, options, labels), { rotate = 0, transform = '' } = _a, defaultStyle = __rest(_a, ["rotate", "transform"]);
return (0, selection_1.select)(new advance_1.Advance())
.call(utils_1.applyStyle, defaultStyle)
.style('text', `${text}`)
.style('className', `${className} g2-label`)
.style('innerHTML', render ? render(text, value.datum, value.index) : undefined)
.style('labelTransform', `${transform} rotate(${+rotate}) ${specifiedTS}`.trim())
.style('labelTransformOrigin', transformOrigin)
.style('coordCenter', coordinate.getCenter())
.call(utils_1.applyStyle, overrideStyle)
.node();
};
};
exports.Label = Label;
exports.Label.props = {
defaultMarker: 'point',
};
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