@antv/g2
Version:
the Grammar of Graphics in Javascript
61 lines • 2.13 kB
JavaScript
import { BBox } from '../../../../util/bbox';
import { findLabelTextShape } from '../../util';
function shouldInShapeSingle(geometry, label, shape) {
var coordinate = geometry.coordinate;
var textShape = findLabelTextShape(label);
var textBBox = BBox.fromObject(textShape.getCanvasBBox());
var shapeBBox = BBox.fromObject(shape.getBBox());
return coordinate.isTransposed ? shapeBBox.height >= textBBox.height : shapeBBox.width >= textBBox.width;
}
function shouldInShape(geometry, labels, shapes) {
var isStack = !!geometry.getAdjust('stack');
return (isStack ||
labels.every(function (label, index) {
var shape = shapes[index];
return shouldInShapeSingle(geometry, label, shape);
}));
}
function moveInShape(geometry, label, shape) {
var coordinate = geometry.coordinate;
var shapeBBox = BBox.fromObject(shape.getBBox());
var textShape = findLabelTextShape(label);
if (coordinate.isTransposed) {
// 水平方向：条形图系列
textShape.attr({
x: shapeBBox.minX + shapeBBox.width / 2,
textAlign: 'center',
});
}
else {
// 垂直方向：柱形图系列
textShape.attr({
y: shapeBBox.minY + shapeBBox.height / 2,
textBaseline: 'middle',
});
}
}
/**
* 适用于 interval geometry 的数据标签位置自动调整布局方法
* @param items
* @param labels
* @param shapes
*/
export function intervalAdjustPosition(items, labels, shapes) {
var _a;
if (shapes.length === 0) {
return;
}
var element = (_a = shapes[0]) === null || _a === void 0 ? void 0 : _a.get('element');
var geometry = element === null || element === void 0 ? void 0 : element.geometry;
if (!geometry || geometry.type !== 'interval') {
return;
}
var inShape = shouldInShape(geometry, labels, shapes);
if (inShape) {
shapes.forEach(function (shape, index) {
var label = labels[index];
moveInShape(geometry, label, shape);
});
}
}
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