ag-grid-enterprise
Version:
AG Grid Enterprise Features
94 lines • 3.78 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.HighlightManager = void 0;
var baseManager_1 = require("./baseManager");
function isEqual(a, b) {
if (a === b)
return true;
if ((a === null || a === void 0 ? void 0 : a.series) !== (b === null || b === void 0 ? void 0 : b.series))
return false;
if ((a === null || a === void 0 ? void 0 : a.itemId) !== (b === null || b === void 0 ? void 0 : b.itemId))
return false;
if ((a === null || a === void 0 ? void 0 : a.datum) !== (b === null || b === void 0 ? void 0 : b.datum))
return false;
return true;
}
/**
* Manages the actively highlighted series/datum for a chart. Tracks the requested highlights from
* distinct dependents and handles conflicting highlight requests.
*/
var HighlightManager = /** @class */ (function (_super) {
__extends(HighlightManager, _super);
function HighlightManager() {
var _this = _super.call(this) || this;
_this.states = {};
_this.activeHighlight = undefined;
return _this;
}
HighlightManager.prototype.updateHighlight = function (callerId, highlightedDatum) {
delete this.states[callerId];
if (highlightedDatum != null) {
this.states[callerId] = { highlightedDatum: highlightedDatum };
}
this.applyStates();
};
HighlightManager.prototype.getActiveHighlight = function () {
return this.activeHighlight;
};
HighlightManager.prototype.applyStates = function () {
var previousHighlight = this.activeHighlight;
var highlightToApply = undefined;
// Last added entry wins.
Object.entries(this.states)
.reverse()
.slice(0, 1)
.forEach(function (_a) {
var _b = __read(_a, 2), _ = _b[0], highlightedDatum = _b[1].highlightedDatum;
return (highlightToApply = highlightedDatum);
});
this.activeHighlight = highlightToApply;
var changed = !isEqual(previousHighlight, this.activeHighlight);
if (changed) {
var event_1 = {
type: 'highlight-change',
previousHighlight: previousHighlight,
currentHighlight: this.activeHighlight,
};
this.listeners.dispatch('highlight-change', event_1);
}
};
return HighlightManager;
}(baseManager_1.BaseManager));
exports.HighlightManager = HighlightManager;
//# sourceMappingURL=highlightManager.js.map