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Refactor Web UI Javascript into separate files

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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.
This commit is contained in:
Max Berger
2026-02-18 21:11:06 +01:00
parent 6eeeda8b25
commit bd3be1c56b
14 changed files with 1660 additions and 1414 deletions
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202
radicale/web/internal_data/CollectionsScene.js Normal file
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/**
* This file is part of Radicale Server - Calendar Server
* Copyright © 2017-2024 Unrud <unrud@outlook.com>
* Copyright © 2023-2024 Matthew Hana <matthew.hana@gmail.com>
* Copyright © 2024-2025 Peter Bieringer <pb@bieringer.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { Scene, push_scene, pop_scene, scene_stack } from "./scene_manager.js";
import { CreateEditCollectionScene } from "./CreateEditCollectionScene.js";
import { UploadCollectionScene } from "./UploadCollectionScene.js";
import { DeleteCollectionScene } from "./DeleteCollectionScene.js";
import { LoadingScene } from "./LoadingScene.js";
import { get_collections } from "./api.js";
import { CollectionType } from "./models.js";
import { bytesToHumanReadable } from "./utils.js";
import { SERVER } from "./constants.js";
/**
* @constructor
* @implements {Scene}
* @param {string} user
* @param {string} password
* @param {Collection} collection The principal collection.
* @param {function(string)} onerror Called when an error occurs, before the
* scene is popped.
*/
export function CollectionsScene(user, password, collection, onerror) {
let html_scene = document.getElementById("collectionsscene");
let template = html_scene.querySelector("[data-name=collectiontemplate]");
let new_btn = html_scene.querySelector("[data-name=new]");
let upload_btn = html_scene.querySelector("[data-name=upload]");
/** @type {?number} */ let scene_index = null;
/** @type {?XMLHttpRequest} */ let collections_req = null;
/** @type {?Array<Collection>} */ let collections = null;
/** @type {Array<Node>} */ let nodes = [];
function onnew() {
try {
let create_collection_scene = new CreateEditCollectionScene(user, password, collection);
push_scene(create_collection_scene, false);
} catch(err) {
console.error(err);
}
return false;
}
function onupload() {
try {
let upload_scene = new UploadCollectionScene(user, password, collection);
push_scene(upload_scene);
} catch(err) {
console.error(err);
}
return false;
}
function onedit(collection) {
try {
let edit_collection_scene = new CreateEditCollectionScene(user, password, collection);
push_scene(edit_collection_scene, false);
} catch(err) {
console.error(err);
}
return false;
}
function ondelete(collection) {
try {
let delete_collection_scene = new DeleteCollectionScene(user, password, collection);
push_scene(delete_collection_scene, false);
} catch(err) {
console.error(err);
}
return false;
}
function show_collections(collections) {
let heightOfNavBar = document.querySelector("#logoutview").offsetHeight + "px";
html_scene.style.marginTop = heightOfNavBar;
html_scene.style.height = "calc(100vh - " + heightOfNavBar +")";
collections.forEach(function (collection) {
let node = template.cloneNode(true);
node.classList.remove("hidden");
let title_form = node.querySelector("[data-name=title]");
let description_form = node.querySelector("[data-name=description]");
let contentcount_form = node.querySelector("[data-name=contentcount]");
let url_form = node.querySelector("[data-name=url]");
let color_form = node.querySelector("[data-name=color]");
let delete_btn = node.querySelector("[data-name=delete]");
let edit_btn = node.querySelector("[data-name=edit]");
let download_btn = node.querySelector("[data-name=download]");
if (collection.color) {
color_form.style.background = collection.color;
}
let possible_types = [CollectionType.ADDRESSBOOK, CollectionType.WEBCAL];
[CollectionType.CALENDAR, ""].forEach(function(e) {
[CollectionType.union(e, CollectionType.JOURNAL), e].forEach(function(e) {
[CollectionType.union(e, CollectionType.TASKS), e].forEach(function(e) {
if (e) {
possible_types.push(e);
}
});
});
});
possible_types.forEach(function(e) {
if (e !== collection.type) {
node.querySelector("[data-name=" + e + "]").classList.add("hidden");
}
});
title_form.textContent = collection.displayname || collection.href;
if(title_form.textContent.length > 30){
title_form.classList.add("smalltext");
}
description_form.textContent = collection.description;
if(description_form.textContent.length > 150){
description_form.classList.add("smalltext");
}
if(collection.type != CollectionType.WEBCAL){
let contentcount_form_txt = (collection.contentcount > 0 ? Number(collection.contentcount).toLocaleString() : "No") + " item" + (collection.contentcount == 1 ? "" : "s") + " in collection";
if(collection.contentcount > 0){
contentcount_form_txt += " (" + bytesToHumanReadable(collection.size) + ")";
}
contentcount_form.textContent = contentcount_form_txt;
}
let href = SERVER + collection.href;
url_form.value = href;
download_btn.href = href;
if(collection.type == CollectionType.WEBCAL){
download_btn.parentElement.classList.add("hidden");
}
delete_btn.onclick = function() {return ondelete(collection);};
edit_btn.onclick = function() {return onedit(collection);};
node.classList.remove("hidden");
nodes.push(node);
template.parentNode.insertBefore(node, template);
});
}
function update() {
let loading_scene = new LoadingScene();
push_scene(loading_scene, false);
collections_req = get_collections(user, password, collection, function(collections1, error) {
if (scene_index === null) {
return;
}
collections_req = null;
if (error) {
onerror(error);
pop_scene(scene_index - 1);
} else {
collections = collections1;
pop_scene(scene_index);
}
});
}
this.show = function() {
html_scene.classList.remove("hidden");
new_btn.onclick = onnew;
upload_btn.onclick = onupload;
if (collections === null) {
update();
} else {
// from update loading scene
show_collections(collections);
}
};
this.hide = function() {
html_scene.classList.add("hidden");
scene_index = scene_stack.length - 1;
new_btn.onclick = null;
upload_btn.onclick = null;
collections = null;
// remove collection
nodes.forEach(function(node) {
node.parentNode.removeChild(node);
});
nodes = [];
};
this.release = function() {
scene_index = null;
if (collections_req !== null) {
collections_req.abort();
collections_req = null;
}
collections = null;
};
}

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radicale/web/internal_data/CreateEditCollectionScene.js Normal file
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/**
* This file is part of Radicale Server - Calendar Server
* Copyright © 2017-2024 Unrud <unrud@outlook.com>
* Copyright © 2023-2024 Matthew Hana <matthew.hana@gmail.com>
* Copyright © 2024-2025 Peter Bieringer <pb@bieringer.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { Scene, push_scene, pop_scene, scene_stack } from "./scene_manager.js";
import { Collection, CollectionType } from "./models.js";
import { random_uuid, random_hex, cleanHREFinput, isValidHREF } from "./utils.js";
import { LoadingScene } from "./LoadingScene.js";
import { COLOR_RE } from "./constants.js";
import { create_collection, edit_collection } from "./api.js";
/**
* @constructor
* @implements {Scene}
* @param {string} user
* @param {string} password
* @param {Collection} collection if it's a principal collection, a new
* collection will be created inside of it.
* Otherwise the collection will be edited.
*/
export function CreateEditCollectionScene(user, password, collection) {
let edit = collection.type !== CollectionType.PRINCIPAL;
let html_scene = document.getElementById(edit ? "editcollectionscene" : "createcollectionscene");
let title_form = edit ? html_scene.querySelector("[data-name=title]") : null;
let error_form = html_scene.querySelector("[data-name=error]");
let href_form = html_scene.querySelector("[data-name=href]");
let href_label = html_scene.querySelector("label[for=href]");
let displayname_form = html_scene.querySelector("[data-name=displayname]");
let displayname_label = html_scene.querySelector("label[for=displayname]");
let description_form = html_scene.querySelector("[data-name=description]");
let description_label = html_scene.querySelector("label[for=description]");
let source_form = html_scene.querySelector("[data-name=source]");
let source_label = html_scene.querySelector("label[for=source]");
let type_form = html_scene.querySelector("[data-name=type]");
let type_label = html_scene.querySelector("label[for=type]");
let color_form = html_scene.querySelector("[data-name=color]");
let color_label = html_scene.querySelector("label[for=color]");
let submit_btn = html_scene.querySelector("[data-name=submit]");
let cancel_btn = html_scene.querySelector("[data-name=cancel]");
/** @type {?number} */ let scene_index = null;
/** @type {?XMLHttpRequest} */ let create_edit_req = null;
let error = "";
/** @type {?Element} */ let saved_type_form = null;
let href = edit ? collection.href : collection.href + random_uuid() + "/";
let displayname = edit ? collection.displayname : "";
let description = edit ? collection.description : "";
let source = edit ? collection.source : "";
let type = edit ? collection.type : CollectionType.CALENDAR_JOURNAL_TASKS;
let color = edit && collection.color ? collection.color : "#" + random_hex(6);
if(!edit){
href_form.addEventListener("keydown", cleanHREFinput);
}
function remove_invalid_types() {
if (!edit) {
return;
}
/** @type {HTMLOptionsCollection} */ let options = type_form.options;
// remove all options that are not supersets
let valid_type_options = CollectionType.valid_options_for_type(type);
for (let i = options.length - 1; i >= 0; i--) {
if (valid_type_options.indexOf(options[i].value) < 0) {
options.remove(i);
}
}
}
function read_form() {
if(!edit){
cleanHREFinput(href_form);
let newhreftxtvalue = href_form.value.trim().toLowerCase();
if(!isValidHREF(newhreftxtvalue)){
alert("You must enter a valid HREF");
return false;
}
href = collection.href + newhreftxtvalue + "/";
}
displayname = displayname_form.value;
description = description_form.value;
source = source_form.value;
type = type_form.value;
color = color_form.value;
return true;
}
function fill_form() {
if(!edit){
href_form.value = random_uuid();
}
displayname_form.value = displayname;
description_form.value = description;
source_form.value = source;
type_form.value = type;
color_form.value = color;
if(error){
error_form.textContent = "Error: " + error;
error_form.classList.remove("hidden");
}
error_form.classList.add("hidden");
onTypeChange();
type_form.addEventListener("change", onTypeChange);
}
function onsubmit() {
try {
if(!read_form()){
return false;
}
let sane_color = color.trim();
if (sane_color) {
let color_match = COLOR_RE.exec(sane_color);
if (!color_match) {
error = "Invalid color";
fill_form();
return false;
}
sane_color = color_match[1];
}
let loading_scene = new LoadingScene();
push_scene(loading_scene);
let collection = new Collection(href, type, displayname, description, sane_color, 0, 0, source);
let callback = function(error1) {
if (scene_index === null) {
return;
}
create_edit_req = null;
if (error1) {
error = error1;
pop_scene(scene_index);
} else {
pop_scene(scene_index - 1);
}
};
if (edit) {
create_edit_req = edit_collection(user, password, collection, callback);
} else {
create_edit_req = create_collection(user, password, collection, callback);
}
} catch(err) {
console.error(err);
}
return false;
}
function oncancel() {
try {
pop_scene(scene_index - 1);
} catch(err) {
console.error(err);
}
return false;
}
function onTypeChange(e){
if(type_form.value == CollectionType.WEBCAL){
source_label.classList.remove("hidden");
source_form.classList.remove("hidden");
}else{
source_label.classList.add("hidden");
source_form.classList.add("hidden");
}
}
this.show = function() {
this.release();
scene_index = scene_stack.length - 1;
// Clone type_form because it's impossible to hide options without removing them
saved_type_form = type_form;
type_form = type_form.cloneNode(true);
saved_type_form.parentNode.replaceChild(type_form, saved_type_form);
remove_invalid_types();
html_scene.classList.remove("hidden");
if (edit) {
title_form.textContent = collection.displayname || collection.href;
}
fill_form();
submit_btn.onclick = onsubmit;
cancel_btn.onclick = oncancel;
if(error){
error_form.textContent = "Error: " + error;
error_form.classList.remove("hidden");
}else{
error_form.classList.add("hidden");
}
};
this.hide = function() {
read_form();
html_scene.classList.add("hidden");
// restore type_form
type_form.parentNode.replaceChild(saved_type_form, type_form);
type_form = saved_type_form;
saved_type_form = null;
submit_btn.onclick = null;
cancel_btn.onclick = null;
};
this.release = function() {
scene_index = null;
if (create_edit_req !== null) {
create_edit_req.abort();
create_edit_req = null;
}
};
}

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radicale/web/internal_data/DeleteCollectionScene.js Normal file
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/**
* This file is part of Radicale Server - Calendar Server
* Copyright © 2017-2024 Unrud <unrud@outlook.com>
* Copyright © 2023-2024 Matthew Hana <matthew.hana@gmail.com>
* Copyright © 2024-2025 Peter Bieringer <pb@bieringer.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { Scene, push_scene, pop_scene, scene_stack } from "./scene_manager.js";
import { Collection } from "./models.js";
import { DELETE_CONFIRMATION_TEXT } from "./constants.js";
import { LoadingScene } from "./LoadingScene.js";
import { delete_collection } from "./api.js";
/**
* @constructor
* @implements {Scene}
* @param {string} user
* @param {string} password
* @param {Collection} collection
*/
export function DeleteCollectionScene(user, password, collection) {
let html_scene = document.getElementById("deletecollectionscene");
let title_form = html_scene.querySelector("[data-name=title]");
let error_form = html_scene.querySelector("[data-name=error]");
let confirmation_txt = html_scene.querySelector("[data-name=confirmationtxt]");
let delete_confirmation_lbl = html_scene.querySelector("[data-name=deleteconfirmationtext]");
let delete_btn = html_scene.querySelector("[data-name=delete]");
let cancel_btn = html_scene.querySelector("[data-name=cancel]");
delete_confirmation_lbl.innerHTML = DELETE_CONFIRMATION_TEXT;
confirmation_txt.value = "";
confirmation_txt.addEventListener("keydown", onkeydown);
/** @type {?number} */ let scene_index = null;
/** @type {?XMLHttpRequest} */ let delete_req = null;
let error = "";
function ondelete() {
let confirmation_text_value = confirmation_txt.value;
if(confirmation_text_value != DELETE_CONFIRMATION_TEXT){
alert("Please type the confirmation text to delete this collection.");
return;
}
try {
let loading_scene = new LoadingScene();
push_scene(loading_scene);
delete_req = delete_collection(user, password, collection, function(error1) {
if (scene_index === null) {
return;
}
delete_req = null;
if (error1) {
error = error1;
pop_scene(scene_index);
} else {
pop_scene(scene_index - 1);
}
});
} catch(err) {
console.error(err);
}
return false;
}
function oncancel() {
try {
pop_scene(scene_index - 1);
} catch(err) {
console.error(err);
}
return false;
}
function onkeydown(event){
if (event.keyCode !== 13) {
return;
}
ondelete();
}
this.show = function() {
this.release();
scene_index = scene_stack.length - 1;
html_scene.classList.remove("hidden");
title_form.textContent = collection.displayname || collection.href;
delete_btn.onclick = ondelete;
cancel_btn.onclick = oncancel;
if(error){
error_form.textContent = "Error: " + error;
error_form.classList.remove("hidden");
}else{
error_form.classList.add("hidden");
}
};
this.hide = function() {
html_scene.classList.add("hidden");
cancel_btn.onclick = null;
delete_btn.onclick = null;
};
this.release = function() {
scene_index = null;
if (delete_req !== null) {
delete_req.abort();
delete_req = null;
}
};
}

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radicale/web/internal_data/LoadingScene.js Normal file
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/**
* This file is part of Radicale Server - Calendar Server
* Copyright © 2017-2024 Unrud <unrud@outlook.com>
* Copyright © 2023-2024 Matthew Hana <matthew.hana@gmail.com>
* Copyright © 2024-2025 Peter Bieringer <pb@bieringer.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { Scene } from "./scene_manager.js";
/**
* @constructor
* @implements {Scene}
*/
export function LoadingScene() {
let html_scene = document.getElementById("loadingscene");
this.show = function() {
html_scene.classList.remove("hidden");
};
this.hide = function() {
html_scene.classList.add("hidden");
};
this.release = function() {};
}

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radicale/web/internal_data/LoginScene.js Normal file
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/**
* This file is part of Radicale Server - Calendar Server
* Copyright © 2017-2024 Unrud <unrud@outlook.com>
* Copyright © 2023-2024 Matthew Hana <matthew.hana@gmail.com>
* Copyright © 2024-2025 Peter Bieringer <pb@bieringer.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { Scene, push_scene, pop_scene, scene_stack } from "./scene_manager.js";
import { LoadingScene } from "./LoadingScene.js";
import { get_principal } from "./api.js";
import { CollectionsScene } from "./CollectionsScene.js";
/**
* @constructor
* @implements {Scene}
*/
export function LoginScene() {
let html_scene = document.getElementById("loginscene");
let form = html_scene.querySelector("[data-name=form]");
let user_form = html_scene.querySelector("[data-name=user]");
let password_form = html_scene.querySelector("[data-name=password]");
let error_form = html_scene.querySelector("[data-name=error]");
let logout_view = document.getElementById("logoutview");
let logout_user_form = logout_view.querySelector("[data-name=user]");
let logout_btn = logout_view.querySelector("[data-name=logout]");
let refresh_btn = logout_view.querySelector("[data-name=refresh]");
/** @type {?number} */ let scene_index = null;
let user = "";
let error = "";
/** @type {?XMLHttpRequest} */ let principal_req = null;
function read_form() {
user = user_form.value;
}
function fill_form() {
user_form.value = user;
password_form.value = "";
if(error){
error_form.textContent = "Error: " + error;
error_form.classList.remove("hidden");
}else{
error_form.classList.add("hidden");
}
}
function onlogin() {
try {
read_form();
let password = password_form.value;
if (user) {
error = "";
// setup logout
logout_view.classList.remove("hidden");
logout_btn.onclick = onlogout;
refresh_btn.onclick = refresh;
logout_user_form.textContent = user + "'s Collections";
// Fetch principal
let loading_scene = new LoadingScene();
push_scene(loading_scene, false);
principal_req = get_principal(user, password, function(collection, error1) {
if (scene_index === null) {
return;
}
principal_req = null;
if (error1) {
error = error1;
pop_scene(scene_index);
} else {
// show collections
let saved_user = user;
user = "";
let collections_scene = new CollectionsScene(
saved_user, password, collection, function(error1) {
error = error1;
user = saved_user;
});
push_scene(collections_scene, true);
}
});
} else {
error = "Username is empty";
fill_form();
}
} catch(err) {
console.error(err);
}
return false;
}
function onlogout() {
try {
if (scene_index === null) {
return false;
}
user = "";
pop_scene(scene_index);
} catch (err) {
console.error(err);
}
return false;
}
function remove_logout() {
logout_view.classList.add("hidden");
logout_btn.onclick = null;
refresh_btn.onclick = null;
logout_user_form.textContent = "";
}
function refresh(){
//The easiest way to refresh is to push a LoadingScene onto the stack and then pop it
//forcing the scene below it, the Collections Scene to refresh itself.
push_scene(new LoadingScene(), false);
pop_scene(scene_stack.length-2);
}
this.show = function() {
remove_logout();
fill_form();
form.onsubmit = onlogin;
html_scene.classList.remove("hidden");
scene_index = scene_stack.length - 1;
user_form.focus();
};
this.hide = function() {
read_form();
html_scene.classList.add("hidden");
form.onsubmit = null;
};
this.release = function() {
scene_index = null;
// cancel pending requests
if (principal_req !== null) {
principal_req.abort();
principal_req = null;
}
remove_logout();
};
}

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radicale/web/internal_data/UploadCollectionScene.js Normal file
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/**
* This file is part of Radicale Server - Calendar Server
* Copyright © 2017-2024 Unrud <unrud@outlook.com>
* Copyright © 2023-2024 Matthew Hana <matthew.hana@gmail.com>
* Copyright © 2024-2025 Peter Bieringer <pb@bieringer.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { Scene, pop_scene, scene_stack } from "./scene_manager.js";
import { Collection } from "./models.js";
import { cleanHREFinput, isValidHREF, random_uuid } from "./utils.js";
import { upload_collection } from "./api.js";
/**
* @constructor
* @implements {Scene}
* @param {string} user
* @param {string} password
* @param {Collection} collection parent collection
* @param {Array<File>} files
*/
export function UploadCollectionScene(user, password, collection) {
let html_scene = document.getElementById("uploadcollectionscene");
let template = html_scene.querySelector("[data-name=filetemplate]");
let upload_btn = html_scene.querySelector("[data-name=submit]");
let close_btn = html_scene.querySelector("[data-name=close]");
let uploadfile_form = html_scene.querySelector("[data-name=uploadfile]");
let uploadfile_lbl = html_scene.querySelector("label[for=uploadfile]");
let href_form = html_scene.querySelector("[data-name=href]");
let href_label = html_scene.querySelector("label[for=href]");
let hreflimitmsg_html = html_scene.querySelector("[data-name=hreflimitmsg]");
let pending_html = html_scene.querySelector("[data-name=pending]");
let files = uploadfile_form.files;
href_form.addEventListener("keydown", cleanHREFinput);
upload_btn.onclick = upload_start;
uploadfile_form.onchange = onfileschange;
href_form.value = "";
/** @type {?number} */ let scene_index = null;
/** @type {?XMLHttpRequest} */ let upload_req = null;
/** @type {Array<string>} */ let results = [];
/** @type {?Array<Node>} */ let nodes = null;
function upload_start() {
try {
if(!read_form()){
return false;
}
uploadfile_form.classList.add("hidden");
uploadfile_lbl.classList.add("hidden");
href_form.classList.add("hidden");
href_label.classList.add("hidden");
hreflimitmsg_html.classList.add("hidden");
upload_btn.classList.add("hidden");
close_btn.classList.add("hidden");
pending_html.classList.remove("hidden");
nodes = [];
for (let i = 0; i < files.length; i++) {
let file = files[i];
let node = template.cloneNode(true);
node.classList.remove("hidden");
let name_form = node.querySelector("[data-name=name]");
name_form.textContent = file.name;
node.classList.remove("hidden");
nodes.push(node);
updateFileStatus(i);
template.parentNode.insertBefore(node, template);
}
upload_next();
} catch(err) {
console.error(err);
}
return false;
}
function upload_next(){
try{
if (files.length === results.length) {
pending_html.classList.add("hidden");
close_btn.classList.remove("hidden");
return;
} else {
let file = files[results.length];
if(files.length > 1 || href.length == 0){
href = random_uuid();
}
let upload_href = collection.href + href + "/";
upload_req = upload_collection(user, password, upload_href, file, function(result) {
upload_req = null;
results.push(result);
updateFileStatus(results.length - 1);
upload_next();
});
}
}catch(err){
console.error(err);
}
}
function onclose() {
try {
pop_scene(scene_index - 1);
} catch(err) {
console.error(err);
}
return false;
}
function updateFileStatus(i) {
if (nodes === null) {
return;
}
let success_form = nodes[i].querySelector("[data-name=success]");
let error_form = nodes[i].querySelector("[data-name=error]");
if (results.length > i) {
if (results[i]) {
success_form.classList.add("hidden");
error_form.textContent = "Error: " + results[i];
error_form.classList.remove("hidden");
} else {
success_form.classList.remove("hidden");
error_form.classList.add("hidden");
}
} else {
success_form.classList.add("hidden");
error_form.classList.add("hidden");
}
}
function read_form() {
cleanHREFinput(href_form);
let newhreftxtvalue = href_form.value.trim().toLowerCase();
if(!isValidHREF(newhreftxtvalue)){
alert("You must enter a valid HREF");
return false;
}
href = newhreftxtvalue;
if(uploadfile_form.files.length == 0){
alert("You must select at least one file to upload");
return false;
}
files = uploadfile_form.files;
return true;
}
function onfileschange() {
files = uploadfile_form.files;
if(files.length > 1){
hreflimitmsg_html.classList.remove("hidden");
href_form.classList.add("hidden");
href_label.classList.add("hidden");
href_form.value = random_uuid(); // dummy, will be replaced on upload
}else{
hreflimitmsg_html.classList.add("hidden");
href_form.classList.remove("hidden");
href_label.classList.remove("hidden");
href_form.value = files[0].name.replace(/\.(ics|vcf)$/, '');
}
return false;
}
this.show = function() {
scene_index = scene_stack.length - 1;
html_scene.classList.remove("hidden");
close_btn.onclick = onclose;
if(error){
error_form.textContent = "Error: " + error;
error_form.classList.remove("hidden");
}else{
error_form.classList.add("hidden");
}
};
this.hide = function() {
html_scene.classList.add("hidden");
close_btn.classList.remove("hidden");
upload_btn.classList.remove("hidden");
uploadfile_form.classList.remove("hidden");
uploadfile_lbl.classList.remove("hidden");
href_form.classList.remove("hidden");
href_label.classList.remove("hidden");
hreflimitmsg_html.classList.add("hidden");
pending_html.classList.add("hidden");
close_btn.onclick = null;
upload_btn.onclick = null;
href_form.value = "";
uploadfile_form.value = "";
if(nodes == null){
return;
}
nodes.forEach(function(node) {
node.parentNode.removeChild(node);
});
nodes = null;
};
this.release = function() {
scene_index = null;
if (upload_req !== null) {
upload_req.abort();
upload_req = null;
}
};
}

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/**
* This file is part of Radicale Server - Calendar Server
* Copyright © 2017-2024 Unrud <unrud@outlook.com>
* Copyright © 2023-2024 Matthew Hana <matthew.hana@gmail.com>
* Copyright © 2024-2025 Peter Bieringer <pb@bieringer.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { Collection, CollectionType } from "./models.js";
import { SERVER, ROOT_PATH, COLOR_RE } from "./constants.js";
import { escape_xml } from "./utils.js";
/**
* Find the principal collection.
* @param {string} user
* @param {string} password
* @param {function(?Collection, ?string)} callback Returns result or error
* @return {XMLHttpRequest}
*/
export function get_principal(user, password, callback) {
let request = new XMLHttpRequest();
request.open("PROPFIND", SERVER + ROOT_PATH, true, user, encodeURIComponent(password));
request.onreadystatechange = function() {
if (request.readyState !== 4) {
return;
}
if (request.status === 207) {
let xml = request.responseXML;
let principal_element = xml.querySelector("*|multistatus:root > *|response:first-of-type > *|propstat > *|prop > *|current-user-principal > *|href");
let displayname_element = xml.querySelector("*|multistatus:root > *|response:first-of-type > *|propstat > *|prop > *|displayname");
if (principal_element) {
callback(new Collection(
principal_element.textContent,
CollectionType.PRINCIPAL,
displayname_element ? displayname_element.textContent : "",
"",
0,
""), null);
} else {
callback(null, "Internal error");
}
} else {
callback(null, request.status + " " + request.statusText);
}
};
request.send('<?xml version="1.0" encoding="utf-8" ?>' +
'<propfind xmlns="DAV:">' +
'<prop>' +
'<current-user-principal />' +
'<displayname />' +
'</prop>' +
'</propfind>');
return request;
}
/**
* Find all calendars and addressbooks in collection.
* @param {string} user
* @param {string} password
* @param {Collection} collection
* @param {function(?Array<Collection>, ?string)} callback Returns result or error
* @return {XMLHttpRequest}
*/
export function get_collections(user, password, collection, callback) {
let request = new XMLHttpRequest();
request.open("PROPFIND", SERVER + collection.href, true, user, encodeURIComponent(password));
request.setRequestHeader("depth", "1");
request.onreadystatechange = function() {
if (request.readyState !== 4) {
return;
}
if (request.status === 207) {
let xml = request.responseXML;
let collections = [];
let response_query = "*|multistatus:root > *|response";
let responses = xml.querySelectorAll(response_query);
for (let i = 0; i < responses.length; i++) {
let response = responses[i];
let href_element = response.querySelector(response_query + " > *|href");
let resourcetype_query = response_query + " > *|propstat > *|prop > *|resourcetype";
let resourcetype_element = response.querySelector(resourcetype_query);
let displayname_element = response.querySelector(response_query + " > *|propstat > *|prop > *|displayname");
let calendarcolor_element = response.querySelector(response_query + " > *|propstat > *|prop > *|calendar-color");
let addressbookcolor_element = response.querySelector(response_query + " > *|propstat > *|prop > *|addressbook-color");
let calendardesc_element = response.querySelector(response_query + " > *|propstat > *|prop > *|calendar-description");
let addressbookdesc_element = response.querySelector(response_query + " > *|propstat > *|prop > *|addressbook-description");
let contentcount_element = response.querySelector(response_query + " > *|propstat > *|prop > *|getcontentcount");
let contentlength_element = response.querySelector(response_query + " > *|propstat > *|prop > *|getcontentlength");
let webcalsource_element = response.querySelector(response_query + " > *|propstat > *|prop > *|source");
let components_query = response_query + " > *|propstat > *|prop > *|supported-calendar-component-set";
let components_element = response.querySelector(components_query);
let href = href_element ? href_element.textContent : "";
let displayname = displayname_element ? displayname_element.textContent : "";
let type = "";
let color = "";
let description = "";
let source = "";
let count = 0;
let size = 0;
if (resourcetype_element) {
if (resourcetype_element.querySelector(resourcetype_query + " > *|addressbook")) {
type = CollectionType.ADDRESSBOOK;
color = addressbookcolor_element ? addressbookcolor_element.textContent : "";
description = addressbookdesc_element ? addressbookdesc_element.textContent : "";
count = contentcount_element ? parseInt(contentcount_element.textContent) : 0;
size = contentlength_element ? parseInt(contentlength_element.textContent) : 0;
} else if (resourcetype_element.querySelector(resourcetype_query + " > *|subscribed")) {
type = CollectionType.WEBCAL;
source = webcalsource_element ? webcalsource_element.textContent : "";
color = calendarcolor_element ? calendarcolor_element.textContent : "";
description = calendardesc_element ? calendardesc_element.textContent : "";
} else if (resourcetype_element.querySelector(resourcetype_query + " > *|calendar")) {
if (components_element) {
if (components_element.querySelector(components_query + " > *|comp[name=VEVENT]")) {
type = CollectionType.union(type, CollectionType.CALENDAR);
}
if (components_element.querySelector(components_query + " > *|comp[name=VJOURNAL]")) {
type = CollectionType.union(type, CollectionType.JOURNAL);
}
if (components_element.querySelector(components_query + " > *|comp[name=VTODO]")) {
type = CollectionType.union(type, CollectionType.TASKS);
}
}
color = calendarcolor_element ? calendarcolor_element.textContent : "";
description = calendardesc_element ? calendardesc_element.textContent : "";
count = contentcount_element ? parseInt(contentcount_element.textContent) : 0;
size = contentlength_element ? parseInt(contentlength_element.textContent) : 0;
}
}
let sane_color = color.trim();
if (sane_color) {
let color_match = COLOR_RE.exec(sane_color);
if (color_match) {
sane_color = color_match[1];
} else {
sane_color = "";
}
}
if (href.substr(-1) === "/" && href !== collection.href && type) {
collections.push(new Collection(href, type, displayname, description, sane_color, count, size, source));
}
}
collections.sort(function(a, b) {
/** @type {string} */ let ca = a.displayname || a.href;
/** @type {string} */ let cb = b.displayname || b.href;
return ca.localeCompare(cb);
});
callback(collections, null);
} else {
callback(null, request.status + " " + request.statusText);
}
};
request.send('<?xml version="1.0" encoding="utf-8" ?>' +
'<propfind ' +
'xmlns="DAV:" ' +
'xmlns:C="urn:ietf:params:xml:ns:caldav" ' +
'xmlns:CR="urn:ietf:params:xml:ns:carddav" ' +
'xmlns:CS="http://calendarserver.org/ns/" ' +
'xmlns:I="http://apple.com/ns/ical/" ' +
'xmlns:INF="http://inf-it.com/ns/ab/" ' +
'xmlns:RADICALE="http://radicale.org/ns/"' +
'>' +
'<prop>' +
'<resourcetype />' +
'<RADICALE:displayname />' +
'<I:calendar-color />' +
'<INF:addressbook-color />' +
'<C:calendar-description />' +
'<C:supported-calendar-component-set />' +
'<CR:addressbook-description />' +
'<CS:source />' +
'<RADICALE:getcontentcount />' +
'<getcontentlength />' +
'</prop>' +
'</propfind>');
return request;
}
/**
* @param {string} user
* @param {string} password
* @param {string} collection_href Must always start and end with /.
* @param {File} file
* @param {function(?string)} callback Returns error or null
* @return {XMLHttpRequest}
*/
export function upload_collection(user, password, collection_href, file, callback) {
let request = new XMLHttpRequest();
request.open("PUT", SERVER + collection_href, true, user, encodeURIComponent(password));
request.onreadystatechange = function() {
if (request.readyState !== 4) {
return;
}
if (200 <= request.status && request.status < 300) {
callback(null);
} else {
callback(request.status + " " + request.statusText);
}
};
request.setRequestHeader("If-None-Match", "*");
request.send(file);
return request;
}
/**
* @param {string} user
* @param {string} password
* @param {Collection} collection
* @param {function(?string)} callback Returns error or null
* @return {XMLHttpRequest}
*/
export function delete_collection(user, password, collection, callback) {
let request = new XMLHttpRequest();
request.open("DELETE", SERVER + collection.href, true, user, encodeURIComponent(password));
request.onreadystatechange = function() {
if (request.readyState !== 4) {
return;
}
if (200 <= request.status && request.status < 300) {
callback(null);
} else {
callback(request.status + " " + request.statusText);
}
};
request.send();
return request;
}
/**
* @param {string} user
* @param {string} password
* @param {Collection} collection
* @param {boolean} create
* @param {function(?string)} callback Returns error or null
* @return {XMLHttpRequest}
*/
function create_edit_collection(user, password, collection, create, callback) {
let request = new XMLHttpRequest();
request.open(create ? "MKCOL" : "PROPPATCH", SERVER + collection.href, true, user, encodeURIComponent(password));
request.onreadystatechange = function() {
if (request.readyState !== 4) {
return;
}
if (200 <= request.status && request.status < 300) {
callback(null);
} else {
callback(request.status + " " + request.statusText);
}
};
let displayname = escape_xml(collection.displayname);
let calendar_color = "";
let addressbook_color = "";
let calendar_description = "";
let addressbook_description = "";
let calendar_source = "";
let resourcetype;
let components = "";
if (collection.type === CollectionType.ADDRESSBOOK) {
addressbook_color = escape_xml(collection.color + (collection.color ? "ff" : ""));
addressbook_description = escape_xml(collection.description);
resourcetype = '<CR:addressbook />';
} else if (collection.type === CollectionType.WEBCAL) {
calendar_color = escape_xml(collection.color + (collection.color ? "ff" : ""));
calendar_description = escape_xml(collection.description);
resourcetype = '<CS:subscribed />';
calendar_source = escape_xml(collection.source);
} else {
calendar_color = escape_xml(collection.color + (collection.color ? "ff" : ""));
calendar_description = escape_xml(collection.description);
resourcetype = '<C:calendar />';
if (CollectionType.is_subset(CollectionType.CALENDAR, collection.type)) {
components += '<C:comp name="VEVENT" />';
}
if (CollectionType.is_subset(CollectionType.JOURNAL, collection.type)) {
components += '<C:comp name="VJOURNAL" />';
}
if (CollectionType.is_subset(CollectionType.TASKS, collection.type)) {
components += '<C:comp name="VTODO" />';
}
}
let xml_request = create ? "mkcol" : "propertyupdate";
request.send('<?xml version="1.0" encoding="UTF-8" ?>' +
'<' + xml_request + ' xmlns="DAV:" xmlns:C="urn:ietf:params:xml:ns:caldav" xmlns:CR="urn:ietf:params:xml:ns:carddav" xmlns:CS="http://calendarserver.org/ns/" xmlns:I="http://apple.com/ns/ical/" xmlns:INF="http://inf-it.com/ns/ab/">' +
'<set>' +
'<prop>' +
(create ? '<resourcetype><collection />' + resourcetype + '</resourcetype>' : '') +
(components ? '<C:supported-calendar-component-set>' + components + '</C:supported-calendar-component-set>' : '') +
(displayname ? '<displayname>' + displayname + '</displayname>' : '') +
(calendar_color ? '<I:calendar-color>' + calendar_color + '</I:calendar-color>' : '') +
(addressbook_color ? '<INF:addressbook-color>' + addressbook_color + '</INF:addressbook-color>' : '') +
(addressbook_description ? '<CR:addressbook-description>' + addressbook_description + '</CR:addressbook-description>' : '') +
(calendar_description ? '<C:calendar-description>' + calendar_description + '</C:calendar-description>' : '') +
(calendar_source ? '<CS:source>' + calendar_source + '</CS:source>' : '') +
'</prop>' +
'</set>' +
(!create ? ('<remove>' +
'<prop>' +
(!components ? '<C:supported-calendar-component-set />' : '') +
(!displayname ? '<displayname />' : '') +
(!calendar_color ? '<I:calendar-color />' : '') +
(!addressbook_color ? '<INF:addressbook-color />' : '') +
(!addressbook_description ? '<CR:addressbook-description />' : '') +
(!calendar_description ? '<C:calendar-description />' : '') +
'</prop>' +
'</remove>'): '') +
'</' + xml_request + '>');
return request;
}
/**
* @param {string} user
* @param {string} password
* @param {Collection} collection
* @param {function(?string)} callback Returns error or null
* @return {XMLHttpRequest}
*/
export function create_collection(user, password, collection, callback) {
return create_edit_collection(user, password, collection, true, callback);
}
/**
* @param {string} user
* @param {string} password
* @param {Collection} collection
* @param {function(?string)} callback Returns error or null
* @return {XMLHttpRequest}
*/
export function edit_collection(user, password, collection, callback) {
return create_edit_collection(user, password, collection, false, callback);
}

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/**
* This file is part of Radicale Server - Calendar Server
* Copyright © 2017-2024 Unrud <unrud@outlook.com>
* Copyright © 2023-2024 Matthew Hana <matthew.hana@gmail.com>
* Copyright © 2024-2025 Peter Bieringer <pb@bieringer.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Server address
* @const
* @type {string}
*/
export const SERVER = location.origin;
/**
* Path of the root collection on the server (must end with /)
* @const
* @type {string}
*/
export const ROOT_PATH = location.pathname.replace(new RegExp("/+[^/]+/*(/index\\.html?)?$"), "") + '/';
/**
* Regex to match and normalize color
* @const
*/
export const COLOR_RE = new RegExp("^(#[0-9A-Fa-f]{6})(?:[0-9A-Fa-f]{2})?$");
/**
* The text needed to confirm deleting a collection
* @const
*/
export const DELETE_CONFIRMATION_TEXT = "DELETE";

1413
radicale/web/internal_data/fn.js
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2
radicale/web/internal_data/index.html
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@@ -14,7 +14,7 @@
<link href="css/main.css" type="text/css" media="screen" rel="stylesheet">
<link href="css/icon.png" type="image/png" rel="icon">
<style>.hidden {display: none !important;}</style>
<script src="fn.js"></script>
<script type="module" src="main.js"></script>
</head>
<body>

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radicale/web/internal_data/main.js Normal file
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/**
* This file is part of Radicale Server - Calendar Server
* Copyright © 2017-2024 Unrud <unrud@outlook.com>
* Copyright © 2023-2024 Matthew Hana <matthew.hana@gmail.com>
* Copyright © 2024-2025 Peter Bieringer <pb@bieringer.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { push_scene } from "./scene_manager.js";
import { LoginScene } from "./LoginScene.js";
// Hide startup loading message
document.getElementById("loadingscene").classList.add("hidden");
push_scene(new LoginScene(), false);

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radicale/web/internal_data/models.js Normal file
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/**
* This file is part of Radicale Server - Calendar Server
* Copyright © 2017-2024 Unrud <unrud@outlook.com>
* Copyright © 2023-2024 Matthew Hana <matthew.hana@gmail.com>
* Copyright © 2024-2025 Peter Bieringer <pb@bieringer.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @enum {string}
*/
export const CollectionType = {
PRINCIPAL: "PRINCIPAL",
ADDRESSBOOK: "ADDRESSBOOK",
CALENDAR_JOURNAL_TASKS: "CALENDAR_JOURNAL_TASKS",
CALENDAR_JOURNAL: "CALENDAR_JOURNAL",
CALENDAR_TASKS: "CALENDAR_TASKS",
JOURNAL_TASKS: "JOURNAL_TASKS",
CALENDAR: "CALENDAR",
JOURNAL: "JOURNAL",
TASKS: "TASKS",
WEBCAL: "WEBCAL",
is_subset: function(a, b) {
let components = a.split("_");
for (let i = 0; i < components.length; i++) {
if (b.search(components[i]) === -1) {
return false;
}
}
return true;
},
union: function(a, b) {
if (a.search(this.ADDRESSBOOK) !== -1 || b.search(this.ADDRESSBOOK) !== -1) {
if (a && a !== this.ADDRESSBOOK || b && b !== this.ADDRESSBOOK) {
throw "Invalid union: " + a + " " + b;
}
return this.ADDRESSBOOK;
}
let union = [];
if (a.search(this.CALENDAR) !== -1 || b.search(this.CALENDAR) !== -1) {
union.push(this.CALENDAR);
}
if (a.search(this.JOURNAL) !== -1 || b.search(this.JOURNAL) !== -1) {
union.push(this.JOURNAL);
}
if (a.search(this.TASKS) !== -1 || b.search(this.TASKS) !== -1) {
union.push(this.TASKS);
}
if (a.search(this.WEBCAL) !== -1 || b.search(this.WEBCAL) !== -1) {
union.push(this.WEBCAL);
}
return union.join("_");
},
valid_options_for_type: function(a){
a = a.trim().toUpperCase();
switch(a){
case CollectionType.CALENDAR_JOURNAL_TASKS:
case CollectionType.CALENDAR_JOURNAL:
case CollectionType.CALENDAR_TASKS:
case CollectionType.JOURNAL_TASKS:
case CollectionType.CALENDAR:
case CollectionType.JOURNAL:
case CollectionType.TASKS:
return [CollectionType.CALENDAR_JOURNAL_TASKS, CollectionType.CALENDAR_JOURNAL, CollectionType.CALENDAR_TASKS, CollectionType.JOURNAL_TASKS, CollectionType.CALENDAR, CollectionType.JOURNAL, CollectionType.TASKS];
case CollectionType.ADDRESSBOOK:
case CollectionType.WEBCAL:
default:
return [a];
}
}
};
/**
* @constructor
* @struct
* @param {string} href Must always start and end with /.
* @param {CollectionType} type
* @param {string} displayname
* @param {string} description
* @param {string} color
*/
export function Collection(href, type, displayname, description, color, contentcount, size, source) {
this.href = href;
this.type = type;
this.displayname = displayname;
this.color = color;
this.description = description;
this.source = source;
this.contentcount = contentcount;
this.size = size;
}

82
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/**
* This file is part of Radicale Server - Calendar Server
* Copyright © 2017-2024 Unrud <unrud@outlook.com>
* Copyright © 2023-2024 Matthew Hana <matthew.hana@gmail.com>
* Copyright © 2024-2025 Peter Bieringer <pb@bieringer.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @interface
*/
export function Scene() {}
/**
* Scene is on top of stack and visible.
*/
Scene.prototype.show = function() {};
/**
* Scene is no longer visible.
*/
Scene.prototype.hide = function() {};
/**
* Scene is removed from scene stack.
*/
Scene.prototype.release = function() {};
/**
* @type {Array<Scene>}
*/
export let scene_stack = [];
/**
* Push scene onto stack.
* @param {Scene} scene
* @param {boolean} replace Replace the scene on top of the stack.
*/
export function push_scene(scene, replace) {
if (scene_stack.length >= 1) {
scene_stack[scene_stack.length - 1].hide();
if (replace) {
scene_stack.pop().release();
}
}
scene_stack.push(scene);
scene.show();
}
/**
* Remove scenes from stack.
* @param {number} index New top of stack
*/
export function pop_scene(index) {
if (scene_stack.length - 1 <= index) {
return;
}
scene_stack[scene_stack.length - 1].hide();
while (scene_stack.length - 1 > index) {
let old_length = scene_stack.length;
scene_stack.pop().release();
if (old_length - 1 === index + 1) {
break;
}
}
if (scene_stack.length >= 1) {
let scene = scene_stack[scene_stack.length - 1];
scene.show();
} else {
throw "Scene stack is empty";
}
}

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/**
* This file is part of Radicale Server - Calendar Server
* Copyright © 2017-2024 Unrud <unrud@outlook.com>
* Copyright © 2023-2024 Matthew Hana <matthew.hana@gmail.com>
* Copyright © 2024-2025 Peter Bieringer <pb@bieringer.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Escape string for usage in XML
* @param {string} s
* @return {string}
*/
export function escape_xml(s) {
return (s
.replace(/&/g, "&amp;")
.replace(/"/g, "&quot;")
.replace(/'/g, "&apos;")
.replace(/</g, "&lt;")
.replace(/>/g, "&gt;"));
}
/**
* @return {string}
*/
export function random_uuid() {
return random_hex(8) + "-" + random_hex(4) + "-" + random_hex(4) + "-" + random_hex(4) + "-" + random_hex(12);
}
/**
* Generate random hex number.
* @param {number} length
* @return {string}
*/
export function random_hex(length) {
let bytes = new Uint8Array(Math.ceil(length / 2));
window.crypto.getRandomValues(bytes);
return bytes.reduce((s, b) => s + b.toString(16).padStart(2, "0"), "").substring(0, length);
}
/**
* Removed invalid HREF characters for a collection HREF.
*
* @param a A valid Input element or an onchange Event of an Input element.
*/
export function cleanHREFinput(a) {
let href_form = a;
if (a.target) {
href_form = a.target;
}
let currentTxtVal = href_form.value.trim().toLowerCase();
//Clean the HREF to remove not permitted chars
currentTxtVal = currentTxtVal.replace(/(?![0-9a-z\-\_\.])./g, '');
//Clean the HREF to remove leading . (would result in hidden directory)
currentTxtVal = currentTxtVal.replace(/^\./, '');
href_form.value = currentTxtVal;
}
/**
* Checks if a proposed HREF for a collection has a valid format and syntax.
*
* @param href String of the porposed HREF.
*
* @return Boolean results if the HREF is valid.
*/
export function isValidHREF(href) {
if (href.length < 1) {
return false;
}
if (href.indexOf("/") != -1) {
return false;
}
return true;
}
/**
* Format bytes to human-readable text.
*
* @param bytes Number of bytes.
*
* @return Formatted string.
*/
export function bytesToHumanReadable(bytes, dp=1) {
let isNumber = !isNaN(parseFloat(bytes)) && !isNaN(bytes - 0);
if(!isNumber){
return "";
}
var i = bytes == 0 ? 0 : Math.floor(Math.log(bytes) / Math.log(1024));
return (bytes / Math.pow(1024, i)).toFixed(dp) * 1 + ' ' + ['b', 'kb', 'mb', 'gb', 'tb'][i];
}