bd3be1c56b
This will simplify further maintainance. Instead of a single large file, there are now separate files for each models, api, utils, and constants. There are also separate files for all Scenes. There are no functional changes in this patch.
82 lines
2.2 KiB
JavaScript
82 lines
2.2 KiB
JavaScript
/**
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* This file is part of Radicale Server - Calendar Server
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* Copyright © 2017-2024 Unrud <unrud@outlook.com>
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* Copyright © 2023-2024 Matthew Hana <matthew.hana@gmail.com>
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* Copyright © 2024-2025 Peter Bieringer <pb@bieringer.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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
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* GNU General Public License for more details.
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*
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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 <http://www.gnu.org/licenses/>.
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*/
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/**
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* @interface
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*/
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export function Scene() {}
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/**
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* Scene is on top of stack and visible.
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*/
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Scene.prototype.show = function() {};
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/**
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* Scene is no longer visible.
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*/
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Scene.prototype.hide = function() {};
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/**
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* Scene is removed from scene stack.
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*/
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Scene.prototype.release = function() {};
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/**
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* @type {Array<Scene>}
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*/
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export let scene_stack = [];
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/**
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* Push scene onto stack.
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* @param {Scene} scene
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* @param {boolean} replace Replace the scene on top of the stack.
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*/
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export function push_scene(scene, replace) {
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if (scene_stack.length >= 1) {
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scene_stack[scene_stack.length - 1].hide();
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if (replace) {
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scene_stack.pop().release();
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}
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}
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scene_stack.push(scene);
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scene.show();
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}
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/**
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* Remove scenes from stack.
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* @param {number} index New top of stack
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*/
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export function pop_scene(index) {
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if (scene_stack.length - 1 <= index) {
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return;
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}
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scene_stack[scene_stack.length - 1].hide();
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while (scene_stack.length - 1 > index) {
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let old_length = scene_stack.length;
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scene_stack.pop().release();
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if (old_length - 1 === index + 1) {
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break;
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}
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}
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if (scene_stack.length >= 1) {
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let scene = scene_stack[scene_stack.length - 1];
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scene.show();
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} else {
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throw "Scene stack is empty";
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}
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} |