mirror of
https://github.com/lxsang/antos-frontend.git
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566592dc8e
- improve Tag API - Improve CodePad UI + Extension API - Add package dependencies to Market Place
444 lines
15 KiB
TypeScript
444 lines
15 KiB
TypeScript
// Copyright 2017-2018 Xuan Sang LE <xsang.le AT gmail DOT com>
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// AnTOS Web desktop is is licensed under the GNU General Public
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// License v3.0, see the LICENCE file for more information
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// This program is free software: you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 3 of
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// the License, or (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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// You should have received a copy of the GNU General Public License
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//along with this program. If not, see https://www.gnu.org/licenses/.
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namespace OS {
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/**
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* This namespace is dedicated to application and service definition.
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* When an application is loaded, its prototype definition will be
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* inserted to this namespace for reuse lately
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*/
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export namespace application {
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/**
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* Abstract prototype of all AntOS applications.
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* Any new application definition should extend
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* this prototype
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*
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* @export
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* @abstract
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* @class BaseApplication
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* @extends {BaseModel}
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*/
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export abstract class BaseApplication extends BaseModel {
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/**
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* Placeholder of all settings specific to the application.
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* The settings stored in this object will be saved to system
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* setting when logout and can be reused in the next login session
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*
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* @type {GenericObject<any>}
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* @memberof BaseApplication
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*/
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setting: GenericObject<any>;
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/**
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* Hotkeys (shortcuts) defined for this application
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*
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* @protected
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* @type {GUI.ShortcutType}
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* @memberof BaseApplication
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*/
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protected keycomb: GUI.ShortcutType;
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/**
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* Reference to the system dock
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*
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* @type {GUI.tag.AppDockTag}
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* @memberof BaseApplication
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*/
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sysdock: GUI.tag.AppDockTag;
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/**
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* Reference to the system application menu located
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* on the system panel
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*
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* @type {GUI.tag.MenuTag}
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* @memberof BaseApplication
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*/
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appmenu: GUI.tag.MenuTag;
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/**
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*Creates an instance of BaseApplication.
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* @param {string} name application name
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* @param {AppArgumentsType[]} args application arguments
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* @memberof BaseApplication
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*/
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constructor(name: string, args: AppArgumentsType[]) {
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super(name, args);
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if (!setting.applications[this.name]) {
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setting.applications[this.name] = {};
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}
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this.setting = setting.applications[this.name];
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this.keycomb = {
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ALT: {},
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CTRL: {},
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SHIFT: {},
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META: {},
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};
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this.subscribe("appregistry", (m) => {
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if (m.name === this.name) {
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this.applySetting(m.data.m);
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}
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});
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}
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/**
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* Init the application, this function is called when the
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* application process is created and docked in the application
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* dock.
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*
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* The application UI will be rendered after the execution
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* of this function.
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*
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* @returns {void}
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* @memberof BaseApplication
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*/
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init(): void {
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this.off("*");
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this.on("exit", () => this.quit(false));
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// first register some base event to the app
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this.on("focus", () => {
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this.sysdock.selectedApp = this;
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this.appmenu.pid = this.pid;
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this.appmenu.items = this.baseMenu() || [];
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this.appmenu.onmenuselect = (
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d: GUI.tag.MenuEventData
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): void => {
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return this.trigger("menuselect", d);
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};
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if (this.dialog) {
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return this.dialog.show();
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}
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});
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this.on("hide", () => {
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this.sysdock.selectedApp = null;
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this.appmenu.items = [];
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this.appmenu.pid = -1;
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if (this.dialog) {
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return this.dialog.hide();
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}
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});
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this.on("menuselect", (d) => {
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switch (d.data.item.data.dataid) {
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case `${this.name}-about`:
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return this.openDialog("AboutDialog");
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case `${this.name}-exit`:
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return this.trigger("exit", undefined);
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}
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});
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this.on("apptitlechange", () => this.sysdock.update(undefined));
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this.updateLocale(this.systemsetting.system.locale);
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return this.loadScheme();
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}
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/**
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* Render the application UI by first loading its scheme
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* and then mount this scheme to the DOM tree
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*
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* @protected
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* @returns {void}
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* @memberof BaseApplication
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*/
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protected loadScheme(): void {
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//now load the scheme
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const path = `${this.meta().path}/scheme.html`;
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return this.render(path);
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}
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/**
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* API function to perform an heavy task.
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* This function will trigger the global `loading`
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* event at the beginning of the task, and the `loaded`
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* event after finishing the task
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*
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* @protected
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* @param {Promise<any>} promise the promise on a task to be performed
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* @returns {Promise<any>}
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* @memberof BaseApplication
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*/
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protected load(promise: Promise<any>): Promise<any> {
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const q = this._api.mid();
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return new Promise(async (resolve, reject) => {
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this._api.loading(q, this.name);
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try {
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await promise;
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this._api.loaded(q, this.name, "OK");
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return resolve();
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} catch (e) {
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this._api.loaded(q, this.name, "FAIL");
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return reject(__e(e));
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}
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});
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}
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/**
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* Bind a hotkey to the application, this function
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* is used to define application keyboard shortcut
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*
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* @protected
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* @param {string} k the hotkey to bind, should be in the following
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* format: `[ALT|SHIFT|CTRL|META]-KEY`, e.g. `CTRL-S`
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* @param {(e: JQuery.KeyboardEventBase) => void} f the callback function
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* @returns {void}
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* @memberof BaseApplication
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*/
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protected bindKey(
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k: string,
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f: (e: JQuery.KeyboardEventBase) => void
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): void {
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const arr = k.split("-");
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if (arr.length !== 2) {
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return;
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}
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const fnk = arr[0].toUpperCase();
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const c = arr[1].toUpperCase();
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if (!this.keycomb[fnk]) {
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return;
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}
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this.keycomb[fnk][c] = f;
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}
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/**
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* Update the application local from the system
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* locale or application specific locale configuration
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*
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* @private
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* @param {string} name locale name e.g. `en_GB`
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* @returns {void}
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* @memberof BaseApplication
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*/
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protected updateLocale(name: string): void {
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const meta = this.meta();
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if (!meta || !meta.locales) {
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return;
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}
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if (!meta.locales[name]) {
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return;
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}
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const result = [];
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for (let k in meta.locales[name]) {
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const v = meta.locales[name][k];
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result.push((this._api.lang[k] = v));
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}
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}
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/**
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* Execute the callback subscribed to a
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* keyboard shortcut
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*
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* @param {string} fnk meta or modifier key e.g. `CTRL`, `ALT`, `SHIFT` or `META`
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* @param {string} c a regular key
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* @param {JQuery.KeyboardEventBase} e JQuery keyboard event
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* @returns {boolean} return whether the shortcut is executed
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* @memberof BaseApplication
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*/
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shortcut(fnk: string, c: string, e: JQuery.KeyDownEvent): boolean {
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if (!this.keycomb[fnk]) {
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return true;
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}
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if (!this.keycomb[fnk][c]) {
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return true;
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}
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this.keycomb[fnk][c](e);
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return false;
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}
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/**
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* Apply a setting to the application
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*
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* @protected
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* @param {string} k the setting name
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* @memberof BaseApplication
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*/
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protected applySetting(k: string): void {}
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/**
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* Apply all settings to the application
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*
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* @protected
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* @memberof BaseApplication
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*/
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protected applyAllSetting(): void {
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for (let k in this.setting) {
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const v = this.setting[k];
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this.applySetting(k);
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}
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}
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/**
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* Set a setting value to the application setting
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* registry
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*
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* @protected
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* @param {string} k setting name
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* @param {*} v setting value
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* @returns {void}
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* @memberof BaseApplication
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*/
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protected registry(k: string, v: any): void {
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this.setting[k] = v;
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return this.publish("appregistry", k);
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}
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/**
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* Show the appliation
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*
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* @returns {void}
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* @memberof BaseApplication
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*/
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show(): void {
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this.trigger("focus", undefined);
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}
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/**
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* Blur the application
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*
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* @returns {void}
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* @memberof BaseApplication
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*/
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blur(): void {
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if (this.appmenu && this.pid === this.appmenu.pid) {
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this.appmenu.items = [];
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}
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return this.trigger("blur", undefined);
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}
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/**
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* Hide the application
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*
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* @returns {void}
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* @memberof BaseApplication
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*/
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hide(): void {
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return this.trigger("hide", undefined);
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}
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/**
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* Maximize or restore the application window size
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* and its position
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*
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* @returns {void}
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* @memberof BaseApplication
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*/
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toggle(): void {
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return this.trigger("toggle", undefined);
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}
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/**
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* Get the application title
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*
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* @returns {(string| FormattedString)}
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* @memberof BaseApplication
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*/
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title(): string | FormattedString {
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return (this.scheme as GUI.tag.WindowTag).apptitle;
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}
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/**
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* Function called when the application exit.
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* If the input exit event is prevented, the application
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* process will not be killed
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*
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*
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* @protected
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* @param {BaseEvent} evt exit event
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* @memberof BaseApplication
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*/
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protected onexit(evt: BaseEvent): void {
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this.cleanup(evt);
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if (!evt.prevent) {
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if (this.pid === this.appmenu.pid) {
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this.appmenu.items = [];
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}
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$(this.scheme).remove();
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}
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}
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/**
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* Get the application meta-data
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*
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* @returns {API.PackageMetaType}
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* @memberof BaseApplication
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*/
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meta(): API.PackageMetaType {
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return application[this.name].meta;
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}
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/**
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* Base menu definition. This function
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* returns the based menu definition of all applications.
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* Other application specific menu entries
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* should be defined in [[menu]] function
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*
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* @protected
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* @returns {GUI.BasicItemType[]}
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* @memberof BaseApplication
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*/
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protected baseMenu(): GUI.BasicItemType[] {
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let mn: GUI.BasicItemType[] = [
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{
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text: application[this.name].meta.name,
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nodes: [
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{ text: "__(About)", dataid: `${this.name}-about` },
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{ text: "__(Exit)", dataid: `${this.name}-exit` },
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],
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},
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];
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mn = mn.concat(this.menu() || []);
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return mn;
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}
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/**
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* The main application entry that is called after
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* the application UI is rendered. This application
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* must be implemented by all subclasses
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*
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* @abstract
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* @memberof BaseApplication
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*/
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abstract main(): void;
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/**
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* Application specific menu definition
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*
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* @protected
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* @returns {GUI.BasicItemType[]}
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* @memberof BaseApplication
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*/
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protected menu(): GUI.BasicItemType[] {
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// implement by subclasses
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// to add menu to application
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return [];
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}
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/**
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* The cleanup function that is called by [[onexit]] function.
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* Application need to override this function to perform some
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* specific task before exiting or to prevent the application
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* to be exited
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*
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* @protected
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* @param {BaseEvent} e
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* @memberof BaseApplication
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*/
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protected cleanup(e: BaseEvent): void {}
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}
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BaseApplication.type = ModelType.Application;
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}
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}
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