@difizen/mana-app
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JavaScript
"use strict";
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.TreeDecoratorService = exports.NoopTreeDecoratorService = exports.DecoratedTreeNode = exports.AbstractTreeDecoratorService = void 0;
var _manaCommon = require("@difizen/mana-common");
var _manaSyringe = require("@difizen/mana-syringe");
var _dec, _class, _dec2, _class2;
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function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
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function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
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function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : String(i); }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
/**
* The {@link TreeDecorator} allows adapting the look and the style of the tree items within a widget. Changes are reflected in
* the form of `decoration data`. This `decoration data` is a map storing {@link TreeDecoration.Data} for affected tree nodes (using the unique node id as key).
* It is important to notice that there is no common contribution point for `TreeDecorators`. Instead, each {@link TreeDecoratorService} is
* supposed to declare its own contribution provider for `TreeDecorators`.
*
* ### Example usage
* A simple tree decorator that changes the background color of each tree node to `red`.
*
* ```typescript
* @singleton()
* export class MyTreeDecorator implements TreeDecorator {
* id = 'myTreeDecorator';
*
* protected readonly emitter = new Emitter<(tree: Tree) => Map<string, TreeDecoration.Data>>();
*
* get onDidChangeDecorations(): Event<(tree: Tree) => Map<string, TreeDecoration.Data>> {
* return this.emitter.event;
* }
*
* decorations(tree: Tree): MaybePromise<Map<string, TreeDecoration.Data>> {
* const result = new Map();
*
* if (tree.root === undefined) {
* return result;
* }
* for (const treeNode of new DepthFirstTreeIterator(tree.root)) {
* result.set(treeNode.id,<TreeDecoration.Data>{backgroundColor:'red'})
* }
* return result;
* }
* }
* ```
*/
var TreeDecoratorService = exports.TreeDecoratorService = Symbol('TreeDecoratorService');
/**
* The {@link TreeDecoratorService} manages a set of known {link TreeDecorator}s and emits events when
* any of the known decorators has changes. Typically, a `TreeDecoratorService` provides a contribution point that can be used to
* register {@link TreeDecorator}s exclusively for this service.
*
* ### Example usage
* ```typescript
* export const MyTreeDecorator = Symbol('MyTreeDecorator');
*
* @singleton()
* export class MyDecorationService extends AbstractTreeDecoratorService {
* constructor(@contrib(MyTreeDecorator) protected readonly contributions: ContributionProvider<TreeDecorator>) {
* super(contributions.getContributions());
* }
* }
* ```
*/
/**
* The default tree decorator service. Does nothing at all. One has to rebind to a concrete implementation
* if decorators have to be supported in the tree widget.
*/
var NoopTreeDecoratorService = exports.NoopTreeDecoratorService = (_dec = (0, _manaSyringe.singleton)({
contrib: TreeDecoratorService
}), _dec(_class = /*#__PURE__*/function () {
function NoopTreeDecoratorService() {
_classCallCheck(this, NoopTreeDecoratorService);
this.emitter = new _manaCommon.Emitter();
this.onDidChangeDecorations = this.emitter.event;
}
_createClass(NoopTreeDecoratorService, [{
key: "dispose",
value: function dispose() {
this.emitter.dispose();
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
}, {
key: "getDecorations",
value: function getDecorations() {
return new Map();
}
}, {
key: "deflateDecorators",
value: function deflateDecorators() {
return {};
}
}, {
key: "inflateDecorators",
value: function inflateDecorators() {
return new Map();
}
}]);
return NoopTreeDecoratorService;
}()) || _class);
/**
* Abstract decorator service implementation which emits events from all known tree decorators and caches the current state.
*/
var AbstractTreeDecoratorService = exports.AbstractTreeDecoratorService = (_dec2 = (0, _manaSyringe.singleton)(), _dec2(_class2 = /*#__PURE__*/function () {
function AbstractTreeDecoratorService(decorators) {
var _this$toDispose,
_this = this;
_classCallCheck(this, AbstractTreeDecoratorService);
this.onDidChangeDecorationsEmitter = new _manaCommon.Emitter();
this.onDidChangeDecorations = this.onDidChangeDecorationsEmitter.event;
this.toDispose = new _manaCommon.DisposableCollection();
this.decorators = decorators;
this.toDispose.push(this.onDidChangeDecorationsEmitter);
(_this$toDispose = this.toDispose).push.apply(_this$toDispose, _toConsumableArray(this.decorators.map(function (decorator) {
return decorator.onDidChangeDecorations(function () {
return _this.onDidChangeDecorationsEmitter.fire(undefined);
});
})));
}
_createClass(AbstractTreeDecoratorService, [{
key: "dispose",
value: function dispose() {
this.toDispose.dispose();
}
}, {
key: "getDecorations",
value: function () {
var _getDecorations = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime().mark(function _callee(tree) {
var changes, _iterator, _step, decorator, _iterator2, _step2, _step2$value, id, data;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
changes = new Map();
_iterator = _createForOfIteratorHelper(this.decorators);
_context.prev = 2;
_iterator.s();
case 4:
if ((_step = _iterator.n()).done) {
_context.next = 14;
break;
}
decorator = _step.value;
_context.t0 = _createForOfIteratorHelper;
_context.next = 9;
return decorator.decorations(tree);
case 9:
_context.t1 = _context.sent.entries();
_iterator2 = (0, _context.t0)(_context.t1);
try {
for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
_step2$value = _slicedToArray(_step2.value, 2), id = _step2$value[0], data = _step2$value[1];
if (changes.has(id)) {
changes.get(id).push(data);
} else {
changes.set(id, [data]);
}
}
} catch (err) {
_iterator2.e(err);
} finally {
_iterator2.f();
}
case 12:
_context.next = 4;
break;
case 14:
_context.next = 19;
break;
case 16:
_context.prev = 16;
_context.t2 = _context["catch"](2);
_iterator.e(_context.t2);
case 19:
_context.prev = 19;
_iterator.f();
return _context.finish(19);
case 22:
return _context.abrupt("return", changes);
case 23:
case "end":
return _context.stop();
}
}, _callee, this, [[2, 16, 19, 22]]);
}));
function getDecorations(_x) {
return _getDecorations.apply(this, arguments);
}
return getDecorations;
}()
}, {
key: "deflateDecorators",
value: function deflateDecorators(decorations) {
var state = Object.create(null);
var _iterator3 = _createForOfIteratorHelper(decorations),
_step3;
try {
for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
var _step3$value = _slicedToArray(_step3.value, 2),
id = _step3$value[0],
data = _step3$value[1];
state[id] = data;
}
} catch (err) {
_iterator3.e(err);
} finally {
_iterator3.f();
}
return state;
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
}, {
key: "inflateDecorators",
value: function inflateDecorators(state) {
var decorators = new Map();
for (var _i = 0, _Object$keys = Object.keys(state); _i < _Object$keys.length; _i++) {
var id = _Object$keys[_i];
decorators.set(id, state[id]);
}
return decorators;
}
}]);
return AbstractTreeDecoratorService;
}()) || _class2);
var DecoratedTreeNode;
(function (_DecoratedTreeNode) {
function is(node) {
return !!node && 'decorationData' in node;
}
_DecoratedTreeNode.is = is;
})(DecoratedTreeNode || (exports.DecoratedTreeNode = DecoratedTreeNode = {}));