@antv/g2
Version:
the Grammar of Graphics in Javascript
71 lines • 2.38 kB
JavaScript
import { __extends } from "tslib";
import { isEqual, get } from '@antv/util';
import Action from '../../base';
/**
* Tooltip 展示隐藏的 Action
* @ignore
*/
var TooltipAction = /** @class */ (function (_super) {
__extends(TooltipAction, _super);
function TooltipAction() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.timeStamp = 0;
return _this;
}
/**
* 显示 Tooltip
* @returns
*/
TooltipAction.prototype.show = function () {
var context = this.context;
var ev = context.event;
var view = context.view;
var isTooltipLocked = view.isTooltipLocked();
if (isTooltipLocked) {
// 锁定时不移动 tooltip
return;
}
var lastTimeStamp = this.timeStamp;
var timeStamp = +new Date();
// 在 showDelay 毫秒（默认 16ms）内到 tooltip 上可以实现 enterable（调参工程师）
var showDelay = get(context.view.getOptions(), 'tooltip.showDelay', 16);
if (timeStamp - lastTimeStamp > showDelay) {
var preLoc = this.location;
var curLoc = { x: ev.x, y: ev.y };
if (!preLoc || !isEqual(preLoc, curLoc)) {
this.showTooltip(view, curLoc);
}
this.timeStamp = timeStamp;
this.location = curLoc;
}
};
/**
* 隐藏 Tooltip。
* @returns
*/
TooltipAction.prototype.hide = function () {
var view = this.context.view;
var tooltip = view.getController('tooltip');
var _a = this.context.event, clientX = _a.clientX, clientY = _a.clientY;
// 如果已经 enterable + 已经在 tooltip 上，那么不隐藏
if (tooltip.isCursorEntered({ x: clientX, y: clientY })) {
return;
}
// 锁定 tooltip 时不隐藏
if (view.isTooltipLocked()) {
return;
}
this.hideTooltip(view);
this.location = null;
};
TooltipAction.prototype.showTooltip = function (view, point) {
// 相同位置不重复展示
view.showTooltip(point);
};
TooltipAction.prototype.hideTooltip = function (view) {
view.hideTooltip();
};
return TooltipAction;
}(Action));
export default TooltipAction;
//# sourceMappingURL=geometry.js.map