radicale_plugins/radicale/web/fn.js

1004 lines
36 KiB
JavaScript

/**
* This file is part of Radicale Server - Calendar Server
* Copyright (C) 2017 Unrud <unrud@openaliasbox.org>
*
* 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}
*/
var SERVER = (location.protocol + '//' + location.hostname +
(location.port ? ':' + location.port : ''));
/**
* Path of the root collection on the server (must end with /)
* @const
* @type {string}
*/
var ROOT_PATH = location.pathname.replace(new RegExp("/+[^/]+/*(/index\\.html?)?$"), "") + '/';
/**
* time between updates of collections (milliseconds)
* @const
* @type {?int}
*/
var UPDATE_INTERVAL = null;
/**
* Regex to match and normalize color
* @const
*/
var COLOR_RE = new RegExp("^(#[0-9A-Fa-f]{6})(?:[0-9A-Fa-f]{2})?$");
/**
* Escape string for usage in XML
* @param {string} s
* @return {string}
*/
function escape_xml(s) {
return (s
.replace("&", "&amp;")
.replace('"', "&quot;")
.replace("'", "&apos;")
.replace("<", "&lt;")
.replace(">", "&gt;"));
}
/**
* @enum {string}
*/
var 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",
is_subset: function(a, b) {
var components = a.split("_");
var i;
for (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;
}
var union = "";
if (a.search(this.CALENDAR) !== -1 || b.search(this.CALENDAR) !== -1) {
union += (union ? "_" : "") + this.CALENDAR;
}
if (a.search(this.JOURNAL) !== -1 || b.search(this.JOURNAL) !== -1) {
union += (union ? "_" : "") + this.JOURNAL;
}
if (a.search(this.TASKS) !== -1 || b.search(this.TASKS) !== -1) {
union += (union ? "_" : "") + this.TASKS;
}
return union;
}
};
/**
* @constructor
* @struct
* @param {string} href Must always start and end with /.
* @param {CollectionType} type
* @param {string} displayname
* @param {string} description
* @param {string} color
*/
function Collection(href, type, displayname, description, color) {
this.href = href;
this.type = type;
this.displayname = displayname;
this.color = color;
this.description = description;
}
/**
* Find the principal collection.
* @param {string} user
* @param {string} password
* @param {function(?Collection, ?string)} callback Returns result or error
* @return {XMLHttpRequest}
*/
function get_principal(user, password, callback) {
var request = new XMLHttpRequest();
request.open("PROPFIND", SERVER + ROOT_PATH, true, user, password);
request.onreadystatechange = function() {
if (request.readyState !== 4) {
return;
}
if (request.status === 207) {
var xml = request.responseXML;
var principal_element = xml.querySelector("*|multistatus:root > *|response:first-of-type > *|propstat > *|prop > *|current-user-principal > *|href");
var 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 : "",
"",
""), 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}
*/
function get_collections(user, password, collection, callback) {
var request = new XMLHttpRequest();
request.open("PROPFIND", SERVER + collection.href, true, user, password);
request.setRequestHeader("depth", "1");
request.onreadystatechange = function() {
if (request.readyState !== 4) {
return;
}
if (request.status === 207) {
var xml = request.responseXML;
var collections = [];
var response_query = "*|multistatus:root > *|response";
var responses = xml.querySelectorAll(response_query);
var i;
for (i = 0; i < responses.length; i++) {
var response = responses[i];
var href_element = response.querySelector(response_query + " > *|href");
var resourcetype_query = response_query + " > *|propstat > *|prop > *|resourcetype";
var resourcetype_element = response.querySelector(resourcetype_query);
var displayname_element = response.querySelector(response_query + " > *|propstat > *|prop > *|displayname");
var calendarcolor_element = response.querySelector(response_query + " > *|propstat > *|prop > *|calendar-color");
var addressbookcolor_element = response.querySelector(response_query + " > *|propstat > *|prop > *|addressbook-color");
var calendardesc_element = response.querySelector(response_query + " > *|propstat > *|prop > *|calendar-description");
var addressbookdesc_element = response.querySelector(response_query + " > *|propstat > *|prop > *|addressbook-description");
var components_query = response_query + " > *|propstat > *|prop > *|supported-calendar-component-set";
var components_element = response.querySelector(components_query);
var href = href_element ? href_element.textContent : "";
var displayname = displayname_element ? displayname_element.textContent : "";
var type = "";
var color = "";
var description = "";
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 : "";
} 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 : "";
}
}
var sane_color = color.trim();
if (sane_color) {
var 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));
}
}
collections.sort(function(a, b) {
/** @type {string} */ var ca = a.displayname || a.href;
/** @type {string} */ var 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: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 />' +
'</prop>' +
'</propfind>');
return request;
}
/**
* @param {string} user
* @param {string} password
* @param {Collection} collection
* @param {function(?string)} callback Returns error or null
* @return {XMLHttpRequest}
*/
function delete_collection(user, password, collection, callback) {
var request = new XMLHttpRequest();
request.open("DELETE", SERVER + collection.href, true, user, 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) {
var request = new XMLHttpRequest();
request.open(create ? "MKCOL" : "PROPPATCH", SERVER + collection.href, true, user, password);
request.onreadystatechange = function() {
if (request.readyState !== 4) {
return;
}
if (200 <= request.status && request.status < 300) {
callback(null);
} else {
callback(request.status + " " + request.statusText);
}
};
var displayname = escape_xml(collection.displayname);
var calendar_color = "";
var addressbook_color = "";
var calendar_description = "";
var addressbook_description = "";
var resourcetype;
var 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 {
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" />';
}
}
var 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: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>' : '') +
'</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}
*/
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}
*/
function edit_collection(user, password, collection, callback) {
return create_edit_collection(user, password, collection, false, callback);
}
/**
* @interface
*/
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>}
*/
var scene_stack = [];
/**
* Push scene onto stack.
* @param {Scene} scene
* @param {boolean} replace Replace the scene on top of the stack.
*/
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
*/
function pop_scene(index) {
if (scene_stack.length - 1 <= index) {
return;
}
scene_stack[scene_stack.length - 1].hide();
while (scene_stack.length - 1 > index) {
var old_length = scene_stack.length;
scene_stack.pop().release();
if (old_length - 1 === index + 1) {
break;
}
}
if (scene_stack.length >= 1) {
var scene = scene_stack[scene_stack.length - 1];
scene.show();
} else {
throw "Scene stack is empty";
}
}
/**
* @constructor
* @implements {Scene}
*/
function LoginScene() {
var html_scene = document.getElementById("loginscene");
var form = html_scene.querySelector("[name=form]");
var user_form = html_scene.querySelector("[name=user]");
var password_form = html_scene.querySelector("[name=password]");
var error_form = html_scene.querySelector("[name=error]");
var logout_view = document.getElementById("logoutview");
var logout_user_form = logout_view.querySelector("[name=user]");
var logout_btn = logout_view.querySelector("[name=link]");
var first_show = true;
/** @type {?number} */ var scene_index = null;
var user = "";
var error = "";
/** @type {?XMLHttpRequest} */ var principal_req = null;
function read_form() {
user = user_form.value;
}
function fill_form() {
user_form.value = user;
password_form.value = "";
error_form.textContent = error ? "Error: " + error : "";
}
function onlogin() {
try {
read_form();
var password = password_form.value;
if (user) {
error = "";
// setup logout
logout_view.style.display = "block";
logout_btn.onclick = onlogout;
logout_user_form.textContent = user;
// Fetch principal
var 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
var saved_user = user;
user = "";
if (typeof(sessionStorage) !== "undefined") {
sessionStorage.setItem("radicale_user", saved_user);
sessionStorage.setItem("radicale_password", password);
}
var 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;
}
this.show = function() {
var saved_first_show = first_show;
first_show = false;
this.release();
fill_form();
form.onsubmit = onlogin;
html_scene.style.display = "block";
user_form.focus();
scene_index = scene_stack.length - 1;
if (typeof(sessionStorage) !== "undefined") {
if (saved_first_show && sessionStorage.getItem("radicale_user")) {
user_form.value = sessionStorage.getItem("radicale_user");
password_form.value = sessionStorage.getItem("radicale_password");
onlogin();
} else {
sessionStorage.setItem("radicale_user", "");
sessionStorage.setItem("radicale_password", "");
}
}
};
this.hide = function() {
read_form();
html_scene.style.display = "none";
form.onsubmit = null;
};
this.release = function() {
scene_index = null;
// cancel pending requests
if (principal_req !== null) {
principal_req.abort();
principal_req = null;
}
// remove logout
logout_view.style.display = "none";
logout_btn.onclick = null;
logout_user_form.textContent = "";
};
}
/**
* @constructor
* @implements {Scene}
*/
function LoadingScene() {
var html_scene = document.getElementById("loadingscene");
this.show = function() {
html_scene.style.display = "block";
};
this.hide = function() {
html_scene.style.display = "none";
};
this.release = function() {};
}
/**
* @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.
*/
function CollectionsScene(user, password, collection, onerror) {
var html_scene = document.getElementById("collectionsscene");
var template = html_scene.querySelector("[name=collectiontemplate]");
var new_btn = html_scene.querySelector("[name=new]");
/** @type {?number} */ var scene_index = null;
var saved_template_display = null;
/** @type {?XMLHttpRequest} */ var collections_req = null;
var timer = null;
var from_update = false;
/** @type {?Array<Collection>} */ var collections = null;
/** @type {Array<Node>} */ var nodes = [];
function onnew() {
try {
var create_collection_scene = new CreateEditCollectionScene(user, password, collection);
push_scene(create_collection_scene, false);
} catch(err) {
console.error(err);
}
return false;
}
function onedit(collection) {
try {
var 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 {
var 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) {
nodes.forEach(function(node) {
template.parentNode.removeChild(node);
});
nodes = [];
collections.forEach(function (collection) {
var node = template.cloneNode(true);
var title_form = node.querySelector("[name=title]");
var description_form = node.querySelector("[name=description]");
var url_form = node.querySelector("[name=url]");
var color_form = node.querySelector("[name=color]");
var delete_btn = node.querySelector("[name=delete]");
var edit_btn = node.querySelector("[name=edit]");
if (collection.color) {
color_form.style.color = collection.color;
} else {
color_form.style.display = "none";
}
var possible_types = [CollectionType.ADDRESSBOOK];
[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("[name=" + e + "]").style.display = "none";
}
});
title_form.textContent = collection.displayname || collection.href;
description_form.textContent = collection.description;
var href = SERVER + collection.href;
url_form.href = href;
url_form.textContent = href;
delete_btn.onclick = function(ev) {return ondelete(collection);};
edit_btn.onclick = function(ev) {return onedit(collection);};
node.style.display = saved_template_display;
nodes.push(node);
template.parentNode.insertBefore(node, template);
});
}
function update() {
if (collections === null) {
var 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 {
var old_collections = collections;
collections = collections1;
if (UPDATE_INTERVAL !== null) {
timer = window.setTimeout(update, UPDATE_INTERVAL);
}
from_update = true;
if (old_collections === null) {
pop_scene(scene_index);
} else {
show_collections(collections);
}
}
});
}
this.show = function() {
saved_template_display = template.style.display;
template.style.display = "none";
html_scene.style.display = "block";
new_btn.onclick = onnew;
if (scene_index === null) {
scene_index = scene_stack.length - 1;
if (collections === null && collections_req !== null) {
pop_scene(scene_index - 1);
return;
}
update();
} else if (collections === null) {
pop_scene(scene_index - 1);
} else {
if (from_update) {
show_collections(collections);
} else {
collections = null;
update();
}
}
};
this.hide = function() {
html_scene.style.display = "none";
template.style.display = saved_template_display;
new_btn.onclick = null;
if (timer !== null) {
window.clearTimeout(timer);
timer = null;
}
from_update = false;
if (collections !== null && collections_req !== null) {
collections_req.abort();
collections_req = null;
}
show_collections([]);
};
this.release = function() {
scene_index = null;
if (collections_req !== null) {
collections_req.abort();
collections_req = null;
}
};
}
/**
* @constructor
* @implements {Scene}
* @param {string} user
* @param {string} password
* @param {Collection} collection
*/
function DeleteCollectionScene(user, password, collection) {
var html_scene = document.getElementById("deletecollectionscene");
var title_form = html_scene.querySelector("[name=title]");
var error_form = html_scene.querySelector("[name=error]");
var delete_btn = html_scene.querySelector("[name=delete]");
var cancel_btn = html_scene.querySelector("[name=cancel]");
var no_btn = html_scene.querySelector("[name=no]");
/** @type {?number} */ var scene_index = null;
/** @type {?XMLHttpRequest} */ var delete_req = null;
var error = "";
function ondelete() {
try {
var 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;
}
this.show = function() {
this.release();
scene_index = scene_stack.length - 1;
html_scene.style.display = "block";
title_form.textContent = collection.displayname || collection.href;
error_form.textContent = error ? "Error: " + error : "";
delete_btn.onclick = ondelete;
cancel_btn.onclick = oncancel;
};
this.hide = function() {
html_scene.style.display = "none";
cancel_btn.onclick = null;
delete_btn.onclick = null;
};
this.release = function() {
scene_index = null;
if (delete_req !== null) {
delete_req.abort();
delete_req = null;
}
};
}
/**
* Generate random hex number.
* @param {number} length
* @return {string}
*/
function randHex(length) {
var s = Math.floor(Math.random() * Math.pow(16, length)).toString(16);
while (s.length < length) {
s = "0" + s;
}
return s;
}
/**
* @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.
*/
function CreateEditCollectionScene(user, password, collection) {
var edit = collection.type !== CollectionType.PRINCIPAL;
var html_scene = document.getElementById(edit ? "editcollectionscene" : "createcollectionscene");
var title_form = edit ? html_scene.querySelector("[name=title]") : null;
var error_form = html_scene.querySelector("[name=error]");
var displayname_form = html_scene.querySelector("[name=displayname]");
var description_form = html_scene.querySelector("[name=description]");
var type_form = html_scene.querySelector("[name=type]");
var color_form = html_scene.querySelector("[name=color]");
var submit_btn = html_scene.querySelector("[name=submit]");
var cancel_btn = html_scene.querySelector("[name=cancel]");
/** @type {?number} */ var scene_index = null;
/** @type {?XMLHttpRequest} */ var create_edit_req = null;
var error = "";
/** @type {?Element} */ var saved_type_form = null;
var href = edit ? collection.href : (
collection.href + randHex(8) + "-" + randHex(4) + "-" + randHex(4) +
"-" + randHex(4) + "-" + randHex(12) + "/");
var displayname = edit ? collection.displayname : "";
var description = edit ? collection.description : "";
var type = edit ? collection.type : CollectionType.CALENDAR_JOURNAL_TASKS;
var color = edit && collection.color ? collection.color : "#" + randHex(6);
function remove_invalid_types() {
if (!edit) {
return;
}
/** @type {HTMLOptionsCollection} */ var options = type_form.options;
// remove all options that are not supersets
var i;
for (i = options.length - 1; i >= 0; i--) {
if (!CollectionType.is_subset(type, options[i].value)) {
options.remove(i);
}
}
}
function read_form() {
displayname = displayname_form.value;
description = description_form.value;
type = type_form.value;
color = color_form.value;
}
function fill_form() {
displayname_form.value = displayname;
description_form.value = description;
type_form.value = type;
color_form.value = color;
error_form.textContent = error ? "Error: " + error : "";
}
function onsubmit() {
try {
read_form();
var sane_color = color.trim();
if (sane_color) {
var color_match = COLOR_RE.exec(sane_color);
if (!color_match) {
error = "Invalid color";
fill_form();
return false;
}
sane_color = color_match[1];
}
var loading_scene = new LoadingScene();
push_scene(loading_scene);
var collection = new Collection(href, type, displayname, description, sane_color);
var 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;
}
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.style.display = "block";
if (edit) {
title_form.textContent = collection.displayname || collection.href;
}
fill_form();
submit_btn.onclick = onsubmit;
cancel_btn.onclick = oncancel;
};
this.hide = function() {
read_form();
html_scene.style.display = "none";
// 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;
}
};
}
function main() {
push_scene(new LoginScene(), false);
}
window.addEventListener("load", main);