dockview-core
Version:
Zero dependency layout manager supporting tabs, grids and splitviews
75 lines (74 loc) • 3.19 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 __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.DragAndDropObserver = void 0;
var events_1 = require("../events");
var lifecycle_1 = require("../lifecycle");
var DragAndDropObserver = /** @class */ (function (_super) {
__extends(DragAndDropObserver, _super);
function DragAndDropObserver(element, callbacks) {
var _this = _super.call(this) || this;
_this.element = element;
_this.callbacks = callbacks;
_this.target = null;
_this.registerListeners();
return _this;
}
DragAndDropObserver.prototype.onDragEnter = function (e) {
this.target = e.target;
this.callbacks.onDragEnter(e);
};
DragAndDropObserver.prototype.onDragOver = function (e) {
e.preventDefault(); // needed so that the drop event fires (https://stackoverflow.com/questions/21339924/drop-event-not-firing-in-chrome)
if (this.callbacks.onDragOver) {
this.callbacks.onDragOver(e);
}
};
DragAndDropObserver.prototype.onDragLeave = function (e) {
if (this.target === e.target) {
this.target = null;
this.callbacks.onDragLeave(e);
}
};
DragAndDropObserver.prototype.onDragEnd = function (e) {
this.target = null;
this.callbacks.onDragEnd(e);
};
DragAndDropObserver.prototype.onDrop = function (e) {
this.callbacks.onDrop(e);
};
DragAndDropObserver.prototype.registerListeners = function () {
var _this = this;
this.addDisposables((0, events_1.addDisposableListener)(this.element, 'dragenter', function (e) {
_this.onDragEnter(e);
}, true));
this.addDisposables((0, events_1.addDisposableListener)(this.element, 'dragover', function (e) {
_this.onDragOver(e);
}, true));
this.addDisposables((0, events_1.addDisposableListener)(this.element, 'dragleave', function (e) {
_this.onDragLeave(e);
}));
this.addDisposables((0, events_1.addDisposableListener)(this.element, 'dragend', function (e) {
_this.onDragEnd(e);
}));
this.addDisposables((0, events_1.addDisposableListener)(this.element, 'drop', function (e) {
_this.onDrop(e);
}));
};
return DragAndDropObserver;
}(lifecycle_1.CompositeDisposable));
exports.DragAndDropObserver = DragAndDropObserver;