dockview
Version:
Zero dependency layout manager supporting tabs, grids and splitviews with ReactJS support
143 lines • 5.77 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.DragAndDrop = exports.DragAndDropObserver = void 0;
var events_1 = require("../events");
var lifecycle_1 = require("../lifecycle");
var dataTransfer_1 = require("./dataTransfer");
var DragAndDropObserver = /** @class */ (function (_super) {
__extends(DragAndDropObserver, _super);
function DragAndDropObserver(element, callbacks) {
var _this = _super.call(this) || this;
_this.element = element;
_this.callbacks = callbacks;
// A helper to fix issues with repeated DRAG_ENTER / DRAG_LEAVE
// calls see https://github.com/microsoft/vscode/issues/14470
// when the element has child elements where the events are fired
// repeadedly.
_this.counter = 0;
_this.registerListeners();
return _this;
}
DragAndDropObserver.prototype.registerListeners = function () {
var _this = this;
this.addDisposables((0, events_1.addDisposableListener)(this.element, 'dragenter', function (e) {
_this.counter++;
_this.callbacks.onDragEnter(e);
}));
this.addDisposables((0, events_1.addDisposableListener)(this.element, 'dragover', 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);
}
}));
this.addDisposables((0, events_1.addDisposableListener)(this.element, 'dragleave', function (e) {
_this.counter--;
if (_this.counter === 0) {
_this.callbacks.onDragLeave(e);
}
}));
this.addDisposables((0, events_1.addDisposableListener)(this.element, 'dragend', function (e) {
_this.counter = 0;
_this.callbacks.onDragEnd(e);
}));
this.addDisposables((0, events_1.addDisposableListener)(this.element, 'drop', function (e) {
_this.counter = 0;
_this.callbacks.onDrop(e);
}));
};
return DragAndDropObserver;
}(lifecycle_1.CompositeDisposable));
exports.DragAndDropObserver = DragAndDropObserver;
var DockviewIdentifier = /** @class */ (function () {
function DockviewIdentifier(data) {
this.data = data;
//
}
return DockviewIdentifier;
}());
var DragAndDrop = /** @class */ (function (_super) {
__extends(DragAndDrop, _super);
function DragAndDrop() {
var _this = _super.call(this) || this;
_this._onDragStart = new events_1.Emitter();
_this._onDragEnd = new events_1.Emitter();
_this.transferData = dataTransfer_1.LocalSelectionTransfer.getInstance();
_this.addDisposables(_this._onDragStart, _this._onDragEnd);
return _this;
}
Object.defineProperty(DragAndDrop, "INSTANCE", {
get: function () {
if (!DragAndDrop._instance) {
DragAndDrop._instance = new DragAndDrop();
}
return DragAndDrop._instance;
},
enumerable: false,
configurable: true
});
DragAndDrop.prototype.registerTarget = function (element, callbacks) {
var disposables = new lifecycle_1.CompositeDisposable();
disposables.addDisposables(new DragAndDropObserver(element, {
onDragEnd: function (e) {
// no-op
},
onDragEnter: function (e) {
e.preventDefault();
},
onDragLeave: function (e) {
//
},
onDrop: function (e) {
//
},
onDragOver: function (e) {
//
},
}));
return disposables;
};
DragAndDrop.prototype.registerDraggable = function (element, draggedItemProvider, callbacks) {
var _this = this;
element.draggable = true;
var disposables = new lifecycle_1.CompositeDisposable();
disposables.addDisposables((0, events_1.addDisposableListener)(element, 'dragstart', function (e) {
_this._onDragStart.fire({ event: e });
}));
disposables.addDisposables(new DragAndDropObserver(element, {
onDragEnd: function (e) {
// no-op
},
onDragEnter: function (e) {
//
},
onDragLeave: function (e) {
//
},
onDrop: function (e) {
//
},
onDragOver: function (e) {
//
},
}));
return disposables;
};
return DragAndDrop;
}(lifecycle_1.CompositeDisposable));
exports.DragAndDrop = DragAndDrop;
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