@kui-shell/core
Version:
An Electron-based shell for cloud-native development
181 lines (180 loc) • 5.76 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
exports.registerTabState = registerTabState;
var _debug = _interopRequireDefault(require("debug"));
var _events = require("../core/events");
var _async = require("../util/async");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/*
* Copyright 2019 The Kubernetes Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var __awaiter = void 0 && (void 0).__awaiter || function (thisArg, _arguments, P, generator) {
function adopt(value) {
return value instanceof P ? value : new P(function (resolve) {
resolve(value);
});
}
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) {
try {
step(generator.next(value));
} catch (e) {
reject(e);
}
}
function rejected(value) {
try {
step(generator["throw"](value));
} catch (e) {
reject(e);
}
}
function step(result) {
result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected);
}
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
const debug = (0, _debug.default)('core/models/TabState');
const registrar = [];
function registerTabState(registration) {
registrar.push(registration);
}
/**
* State that we want to keep per tab
*
*/
class TabState {
constructor(uuid, _desiredStatusStripeDecoration = {
type: 'default'
}, _parent) {
this.uuid = uuid;
this._desiredStatusStripeDecoration = _desiredStatusStripeDecoration;
this._parent = _parent;
/** is the tab ready for command execution? */
this.ready = false;
/** state map
* outer key is `TabStateRegistrar.name`, inner key is `TabStateRegistrar.apiVersion`
* e.g. { 'plugins/plugin-core': {'v1': {'cwd': '/'}}}
*/
this._state = {};
/** functions to capture the states of tab */
this.captures = [];
/** functions to restore the states of the tab */
this.restores = [];
/** functions to capture this tab state and restore another tab state */
this.switchTos = [];
registrar.forEach(_ => {
this.register(_.name, _.apiVersion, _.capture, _.restore, _.switchTo);
});
}
get state() {
return this._state;
}
checkExistence(name, apiVersion) {
if (!this.state[name]) {
throw new Error(`${name} doesn't exist in tab state`);
} else if (!this.state[name][apiVersion]) {
throw new Error(`${name} doesn't have version ${apiVersion}`);
} else {
return true;
}
}
register(name, apiVersion, capture, restore, switchTo) {
// initialize the state
if (!this.state[name]) {
this.state[name] = {
[apiVersion]: {}
};
} else if (!this.state[name][apiVersion]) {
this._state[name][apiVersion] = {};
} else {
throw new Error(`${name} ${apiVersion} already registered`);
}
this.captures.push(capture);
this.restores.push(restore);
this.switchTos.push(switchTo);
}
getState(name, apiVersion, key) {
if (this.checkExistence(name, apiVersion)) {
if (this.state[name][apiVersion][key] === undefined) {
throw new Error(`${name} ${apiVersion} doesn't have state ${key}`);
} else {
return this.state[name][apiVersion][key];
}
}
}
setState(name, apiVersion, key, value) {
return __awaiter(this, void 0, void 0, function* () {
if (this.checkExistence(name, apiVersion)) {
this.state[name][apiVersion][key] = value;
}
});
}
/** Capture contextual global state */
capture() {
this.captures.forEach(capture => capture(this));
}
/** Capture contextual global state and then restore `nextTabState` */
switchTo(nextTabState) {
return __awaiter(this, void 0, void 0, function* () {
yield (0, _async.promiseEach)(this.switchTos, switchTo => __awaiter(this, void 0, void 0, function* () {
yield switchTo(this, nextTabState);
}));
nextTabState.updateStatusStripe();
});
}
/** Clone the captured state */
cloneWithUUID(uuid) {
this.capture(); // keep the function name, and mean capture all
const clone = new TabState(uuid, this.desiredStatusStripeDecoration, this);
clone.capture();
debug('cloned tab state', clone.uuid, clone._state);
return clone;
}
/** Enforce our desired status stripe decorations */
updateStatusStripe() {
if (this._parent) {
this._parent.updateStatusStripe();
} else {
_events.eventBus.emitStatusStripeChangeRequest(this.desiredStatusStripeDecoration);
}
}
get desiredStatusStripeDecoration() {
return this._desiredStatusStripeDecoration;
}
set desiredStatusStripeDecoration(decor) {
this._desiredStatusStripeDecoration = decor;
if (this._parent) {
this._parent.desiredStatusStripeDecoration = decor;
} else {
this.updateStatusStripe();
}
}
/**
* Restore tab state
*
*/
restore() {
return __awaiter(this, void 0, void 0, function* () {
this.restores.forEach(restore => restore(this));
this.updateStatusStripe();
});
}
}
exports.default = TabState;