761 lines
26 KiB
Rust
761 lines
26 KiB
Rust
use crate::{document, CATALOG};
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use js_sys::{encode_uri_component, Date, RegExp};
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use serde_derive::{Deserialize, Serialize};
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use std::{convert::TryInto, sync::Mutex};
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use wasm_bindgen::{prelude::*, JsCast, JsValue};
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use web_sys::{
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console, window, ClipboardEvent, Element, Event, FocusEvent, HtmlAnchorElement, HtmlDocument,
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HtmlElement, HtmlFormElement, HtmlInputElement, HtmlSelectElement, HtmlTextAreaElement,
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KeyboardEvent, MouseEvent, Node,
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};
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macro_rules! mv {
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( $( $var:ident ),* => $exp:expr ) => {
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{
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$( let $var = $var.clone(); )*
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$exp
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}
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}
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}
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fn get_elt_value(id: &'static str) -> String {
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let elt = document().get_element_by_id(id).unwrap();
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let inp: Option<&HtmlInputElement> = elt.dyn_ref();
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let textarea: Option<&HtmlTextAreaElement> = elt.dyn_ref();
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let select: Option<&HtmlSelectElement> = elt.dyn_ref();
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inp.map(|i| i.value()).unwrap_or_else(|| {
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textarea
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.map(|t| t.value())
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.unwrap_or_else(|| select.unwrap().value())
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})
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}
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fn set_value<S: AsRef<str>>(id: &'static str, val: S) {
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let elt = document().get_element_by_id(id).unwrap();
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let inp: Option<&HtmlInputElement> = elt.dyn_ref();
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let textarea: Option<&HtmlTextAreaElement> = elt.dyn_ref();
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let select: Option<&HtmlSelectElement> = elt.dyn_ref();
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inp.map(|i| i.set_value(val.as_ref())).unwrap_or_else(|| {
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textarea
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.map(|t| t.set_value(val.as_ref()))
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.unwrap_or_else(|| select.unwrap().set_value(val.as_ref()))
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})
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}
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fn no_return(evt: KeyboardEvent) {
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if evt.key() == "Enter" {
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evt.prevent_default();
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}
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}
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#[derive(Debug)]
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pub enum EditorError {
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NoneError,
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DOMError,
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}
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const AUTOSAVE_DEBOUNCE_TIME: i32 = 5000;
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#[derive(Serialize, Deserialize)]
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struct AutosaveInformation {
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contents: String,
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cover: String,
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last_saved: f64,
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license: String,
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subtitle: String,
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tags: String,
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title: String,
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}
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fn is_basic_editor() -> bool {
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if let Some(basic_editor) = window()
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.unwrap()
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.local_storage()
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.unwrap()
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.unwrap()
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.get("basic-editor")
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.unwrap()
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{
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&basic_editor == "true"
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} else {
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false
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}
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}
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fn get_title() -> String {
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if is_basic_editor() {
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get_elt_value("title")
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} else {
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document()
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.query_selector("#plume-editor > h1")
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.unwrap()
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.unwrap()
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.dyn_ref::<HtmlElement>()
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.unwrap()
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.inner_text()
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}
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}
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fn get_autosave_id() -> String {
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format!(
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"editor_contents={}",
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window().unwrap().location().pathname().unwrap()
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)
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}
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fn get_editor_contents() -> String {
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if is_basic_editor() {
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get_elt_value("editor-content")
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} else {
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let editor = document().query_selector("article").unwrap().unwrap();
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let child_nodes = editor.child_nodes();
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let mut md = String::new();
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for i in 0..child_nodes.length() {
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let ch = child_nodes.get(i).unwrap();
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let to_append = match ch.node_type() {
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Node::ELEMENT_NODE => {
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let elt = ch.dyn_ref::<Element>().unwrap();
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if elt.tag_name() == "DIV" {
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elt.inner_html()
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} else {
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elt.outer_html()
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}
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}
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Node::TEXT_NODE => ch.node_value().unwrap_or_default(),
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_ => unreachable!(),
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};
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md = format!("{}\n\n{}", md, to_append);
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}
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md
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}
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}
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fn get_subtitle() -> String {
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if is_basic_editor() {
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get_elt_value("subtitle")
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} else {
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document()
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.query_selector("#plume-editor > h2")
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.unwrap()
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.unwrap()
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.dyn_ref::<HtmlElement>()
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.unwrap()
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.inner_text()
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}
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}
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fn autosave() {
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let info = AutosaveInformation {
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contents: get_editor_contents(),
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title: get_title(),
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subtitle: get_subtitle(),
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tags: get_elt_value("tags"),
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license: get_elt_value("license"),
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last_saved: Date::now(),
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cover: get_elt_value("cover"),
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};
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let id = get_autosave_id();
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match window()
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.unwrap()
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.local_storage()
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.unwrap()
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.unwrap()
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.set(&id, &serde_json::to_string(&info).unwrap())
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{
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Ok(_) => {}
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_ => console::log_1(&"Autosave failed D:".into()),
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}
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}
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fn load_autosave() {
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if let Ok(Some(autosave_str)) = window()
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.unwrap()
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.local_storage()
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.unwrap()
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.unwrap()
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.get(&get_autosave_id())
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{
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let autosave_info: AutosaveInformation = serde_json::from_str(&autosave_str).ok().unwrap();
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let message = i18n!(
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CATALOG,
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"Do you want to load the local autosave last edited at {}?";
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Date::new(&JsValue::from_f64(autosave_info.last_saved)).to_date_string().as_string().unwrap()
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);
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if let Ok(true) = window().unwrap().confirm_with_message(&message) {
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set_value("editor-content", &autosave_info.contents);
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set_value("title", &autosave_info.title);
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set_value("subtitle", &autosave_info.subtitle);
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set_value("tags", &autosave_info.tags);
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set_value("license", &autosave_info.license);
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set_value("cover", &autosave_info.cover);
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} else {
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clear_autosave();
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}
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}
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}
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fn clear_autosave() {
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window()
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.unwrap()
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.local_storage()
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.unwrap()
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.unwrap()
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.remove_item(&get_autosave_id())
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.unwrap();
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console::log_1(&format!("Saved to {}", &get_autosave_id()).into());
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}
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type TimeoutHandle = i32;
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lazy_static! {
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static ref AUTOSAVE_TIMEOUT: Mutex<Option<TimeoutHandle>> = Mutex::new(None);
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}
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fn autosave_debounce() {
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let window = window().unwrap();
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let timeout = &mut AUTOSAVE_TIMEOUT.lock().unwrap();
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if let Some(timeout) = timeout.take() {
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window.clear_timeout_with_handle(timeout);
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}
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let callback = Closure::once(autosave);
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**timeout = window
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.set_timeout_with_callback_and_timeout_and_arguments_0(
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callback.as_ref().unchecked_ref(),
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AUTOSAVE_DEBOUNCE_TIME,
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)
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.ok();
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callback.forget();
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}
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fn init_widget(
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parent: &Element,
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tag: &'static str,
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placeholder_text: String,
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content: String,
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disable_return: bool,
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) -> Result<HtmlElement, EditorError> {
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let widget = placeholder(
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make_editable(tag).dyn_into::<HtmlElement>().unwrap(),
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&placeholder_text,
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);
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if !content.is_empty() {
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widget
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.dataset()
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.set("edited", "true")
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.map_err(|_| EditorError::DOMError)?;
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}
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widget
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.append_child(&document().create_text_node(&content))
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.map_err(|_| EditorError::DOMError)?;
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if disable_return {
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let callback = Closure::wrap(Box::new(no_return) as Box<dyn FnMut(KeyboardEvent)>);
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widget
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.add_event_listener_with_callback("keydown", callback.as_ref().unchecked_ref())
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.map_err(|_| EditorError::DOMError)?;
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callback.forget();
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}
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parent
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.append_child(&widget)
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.map_err(|_| EditorError::DOMError)?;
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// We need to do that to make sure the placeholder is correctly rendered
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widget.focus().map_err(|_| EditorError::DOMError)?;
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widget.blur().map_err(|_| EditorError::DOMError)?;
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filter_paste(&widget);
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Ok(widget)
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}
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fn filter_paste(elt: &HtmlElement) {
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// Only insert text when pasting something
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let insert_text = Closure::wrap(Box::new(|evt: ClipboardEvent| {
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evt.prevent_default();
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if let Some(data) = evt.clipboard_data() {
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if let Ok(data) = data.get_data("text") {
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document()
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.dyn_ref::<HtmlDocument>()
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.unwrap()
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.exec_command_with_show_ui_and_value("insertText", false, &data)
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.unwrap();
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}
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}
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}) as Box<dyn FnMut(ClipboardEvent)>);
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elt.add_event_listener_with_callback("paste", insert_text.as_ref().unchecked_ref())
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.unwrap();
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insert_text.forget();
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}
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pub fn init() -> Result<(), EditorError> {
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if let Some(ed) = document().get_element_by_id("plume-fallback-editor") {
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load_autosave();
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let callback = Closure::wrap(Box::new(|_| clear_autosave()) as Box<dyn FnMut(Event)>);
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ed.add_event_listener_with_callback("submit", callback.as_ref().unchecked_ref())
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.map_err(|_| EditorError::DOMError)?;
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callback.forget();
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}
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// Check if the user wants to use the basic editor
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if window()
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.unwrap()
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.local_storage()
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.unwrap()
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.unwrap()
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.get("basic-editor")
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.map(|x| x.is_some() && x.unwrap() == "true")
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.unwrap_or(true)
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{
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if let Some(editor) = document().get_element_by_id("plume-fallback-editor") {
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if let Ok(Some(title_label)) = document().query_selector("label[for=title]") {
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let editor_button = document()
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.create_element("a")
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.map_err(|_| EditorError::DOMError)?;
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editor_button
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.dyn_ref::<HtmlAnchorElement>()
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.unwrap()
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.set_href("#");
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let disable_basic_editor = Closure::wrap(Box::new(|_| {
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let window = window().unwrap();
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if window
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.local_storage()
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.unwrap()
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.unwrap()
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.set("basic-editor", "false")
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.is_err()
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{
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console::log_1(&"Failed to write into local storage".into());
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}
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window.history().unwrap().go_with_delta(0).ok(); // refresh
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})
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as Box<dyn FnMut(MouseEvent)>);
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editor_button
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.add_event_listener_with_callback(
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"click",
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disable_basic_editor.as_ref().unchecked_ref(),
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)
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.map_err(|_| EditorError::DOMError)?;
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disable_basic_editor.forget();
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editor_button
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.append_child(
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&document().create_text_node(&i18n!(CATALOG, "Open the rich text editor")),
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)
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.map_err(|_| EditorError::DOMError)?;
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editor
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.insert_before(&editor_button, Some(&title_label))
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.ok();
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let callback = Closure::wrap(
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Box::new(|_| autosave_debounce()) as Box<dyn FnMut(KeyboardEvent)>
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);
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document()
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.get_element_by_id("editor-content")
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.unwrap()
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.add_event_listener_with_callback("keydown", callback.as_ref().unchecked_ref())
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.map_err(|_| EditorError::DOMError)?;
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callback.forget();
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}
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}
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Ok(())
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} else {
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init_editor()
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}
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}
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fn init_editor() -> Result<(), EditorError> {
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if let Some(ed) = document().get_element_by_id("plume-editor") {
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// Show the editor
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ed.dyn_ref::<HtmlElement>()
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.unwrap()
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.style()
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.set_property("display", "block")
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.map_err(|_| EditorError::DOMError)?;
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// And hide the HTML-only fallback
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let old_ed = document().get_element_by_id("plume-fallback-editor");
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if old_ed.is_none() {
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return Ok(());
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}
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let old_ed = old_ed.unwrap();
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let old_title = document()
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.get_element_by_id("plume-editor-title")
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.ok_or(EditorError::NoneError)?;
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old_ed
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.dyn_ref::<HtmlElement>()
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.unwrap()
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.style()
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.set_property("display", "none")
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.map_err(|_| EditorError::DOMError)?;
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old_title
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.dyn_ref::<HtmlElement>()
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.unwrap()
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.style()
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.set_property("display", "none")
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.map_err(|_| EditorError::DOMError)?;
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// Get content from the old editor (when editing an article for instance)
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let title_val = get_elt_value("title");
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let subtitle_val = get_elt_value("subtitle");
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let content_val = get_elt_value("editor-content");
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// And pre-fill the new editor with this values
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let title = init_widget(&ed, "h1", i18n!(CATALOG, "Title"), title_val, true)?;
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let subtitle = init_widget(
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&ed,
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"h2",
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i18n!(CATALOG, "Subtitle, or summary"),
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subtitle_val,
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true,
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)?;
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let content = init_widget(
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&ed,
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"article",
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i18n!(CATALOG, "Write your article here. Markdown is supported."),
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content_val.clone(),
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false,
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)?;
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content.set_inner_html(&content_val);
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// character counter
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let character_counter = Closure::wrap(Box::new(mv!(content => move |_| {
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let update_char_count = Closure::wrap(Box::new(mv!(content => move || {
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if let Some(e) = document().get_element_by_id("char-count") {
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let count = chars_left("#plume-fallback-editor", &content).unwrap_or_default();
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let text = i18n!(CATALOG, "Around {} characters left"; count);
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e.dyn_ref::<HtmlElement>().map(|e| {
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e.set_inner_text(&text);
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}).unwrap();
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};
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})) as Box<dyn FnMut()>);
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window().unwrap().set_timeout_with_callback_and_timeout_and_arguments(update_char_count.as_ref().unchecked_ref(), 0, &js_sys::Array::new()).unwrap();
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update_char_count.forget();
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autosave_debounce();
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})) as Box<dyn FnMut(KeyboardEvent)>);
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content
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.add_event_listener_with_callback("keydown", character_counter.as_ref().unchecked_ref())
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.map_err(|_| EditorError::DOMError)?;
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character_counter.forget();
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let show_popup = Closure::wrap(Box::new(mv!(title, subtitle, content, old_ed => move |_| {
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let popup = document().get_element_by_id("publish-popup").or_else(||
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init_popup(&title, &subtitle, &content, &old_ed).ok()
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).unwrap();
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let bg = document().get_element_by_id("popup-bg").or_else(||
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init_popup_bg().ok()
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).unwrap();
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popup.class_list().add_1("show").unwrap();
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bg.class_list().add_1("show").unwrap();
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})) as Box<dyn FnMut(MouseEvent)>);
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document()
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.get_element_by_id("publish")
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.ok_or(EditorError::NoneError)?
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.add_event_listener_with_callback("click", show_popup.as_ref().unchecked_ref())
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.map_err(|_| EditorError::DOMError)?;
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show_popup.forget();
|
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show_errors();
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setup_close_button();
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}
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Ok(())
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}
|
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|
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fn setup_close_button() {
|
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if let Some(button) = document().get_element_by_id("close-editor") {
|
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let close_editor = Closure::wrap(Box::new(|_| {
|
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window()
|
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.unwrap()
|
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.local_storage()
|
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.unwrap()
|
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.unwrap()
|
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.set("basic-editor", "true")
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.unwrap();
|
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window()
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.unwrap()
|
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.history()
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.unwrap()
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.go_with_delta(0)
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.unwrap(); // Refresh the page
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}) as Box<dyn FnMut(MouseEvent)>);
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button
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.add_event_listener_with_callback("click", close_editor.as_ref().unchecked_ref())
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.unwrap();
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close_editor.forget();
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}
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}
|
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|
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fn show_errors() {
|
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let document = document();
|
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if let Ok(Some(header)) = document.query_selector("header") {
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let list = document.create_element("header").unwrap();
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list.class_list().add_1("messages").unwrap();
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let errors = document.query_selector_all("p.error").unwrap();
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for i in 0..errors.length() {
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let error = errors.get(i).unwrap();
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error
|
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.parent_element()
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.unwrap()
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.remove_child(&error)
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.unwrap();
|
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let _ = list.append_child(&error);
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}
|
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header
|
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.parent_element()
|
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.unwrap()
|
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.insert_before(&list, header.next_sibling().as_ref())
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.unwrap();
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}
|
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}
|
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|
|
fn init_popup(
|
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title: &HtmlElement,
|
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subtitle: &HtmlElement,
|
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content: &HtmlElement,
|
|
old_ed: &Element,
|
|
) -> Result<Element, EditorError> {
|
|
let document = document();
|
|
let popup = document
|
|
.create_element("div")
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
popup
|
|
.class_list()
|
|
.add_1("popup")
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
popup
|
|
.set_attribute("id", "publish-popup")
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
|
|
let tags = get_elt_value("tags")
|
|
.split(',')
|
|
.map(str::trim)
|
|
.map(str::to_string)
|
|
.collect::<Vec<_>>();
|
|
let license = get_elt_value("license");
|
|
make_input(&i18n!(CATALOG, "Tags"), "popup-tags", &popup).set_value(&tags.join(", "));
|
|
make_input(&i18n!(CATALOG, "License"), "popup-license", &popup).set_value(&license);
|
|
|
|
let cover_label = document
|
|
.create_element("label")
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
cover_label
|
|
.append_child(&document.create_text_node(&i18n!(CATALOG, "Cover")))
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
cover_label
|
|
.set_attribute("for", "cover")
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
let cover = document
|
|
.get_element_by_id("cover")
|
|
.ok_or(EditorError::NoneError)?;
|
|
cover
|
|
.parent_element()
|
|
.ok_or(EditorError::NoneError)?
|
|
.remove_child(&cover)
|
|
.ok();
|
|
popup
|
|
.append_child(&cover_label)
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
popup
|
|
.append_child(&cover)
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
|
|
if let Some(draft_checkbox) = document.get_element_by_id("draft") {
|
|
let draft_checkbox = draft_checkbox.dyn_ref::<HtmlInputElement>().unwrap();
|
|
let draft_label = document
|
|
.create_element("label")
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
draft_label
|
|
.set_attribute("for", "popup-draft")
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
|
|
let draft = document.create_element("input").unwrap();
|
|
draft.set_id("popup-draft");
|
|
let draft = draft.dyn_ref::<HtmlInputElement>().unwrap();
|
|
draft.set_name("popup-draft");
|
|
draft.set_type("checkbox");
|
|
draft.set_checked(draft_checkbox.checked());
|
|
|
|
draft_label
|
|
.append_child(draft)
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
draft_label
|
|
.append_child(&document.create_text_node(&i18n!(CATALOG, "This is a draft")))
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
popup
|
|
.append_child(&draft_label)
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
}
|
|
|
|
let button = document
|
|
.create_element("input")
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
button
|
|
.append_child(&document.create_text_node(&i18n!(CATALOG, "Publish")))
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
let button = button.dyn_ref::<HtmlInputElement>().unwrap();
|
|
button.set_type("submit");
|
|
button.set_value(&i18n!(CATALOG, "Publish"));
|
|
let callback = Closure::wrap(Box::new(mv!(title, subtitle, content, old_ed => move |_| {
|
|
let document = self::document();
|
|
title.focus().unwrap(); // Remove the placeholder before publishing
|
|
set_value("title", title.inner_text());
|
|
subtitle.focus().unwrap();
|
|
set_value("subtitle", subtitle.inner_text());
|
|
content.focus().unwrap();
|
|
let mut md = String::new();
|
|
let child_nodes = content.child_nodes();
|
|
for i in 0..child_nodes.length() {
|
|
let ch = child_nodes.get(i).unwrap();
|
|
let to_append = match ch.node_type() {
|
|
Node::ELEMENT_NODE => {
|
|
let ch = ch.dyn_ref::<Element>().unwrap();
|
|
if ch.tag_name() == "DIV" {
|
|
ch.inner_html()
|
|
} else {
|
|
ch.outer_html()
|
|
}
|
|
},
|
|
Node::TEXT_NODE => ch.node_value().unwrap_or_default(),
|
|
_ => unreachable!(),
|
|
};
|
|
md = format!("{}\n\n{}", md, to_append);
|
|
}
|
|
set_value("editor-content", md);
|
|
set_value("tags", get_elt_value("popup-tags"));
|
|
if let Some(draft) = document.get_element_by_id("popup-draft") {
|
|
if let Some(draft_checkbox) = document.get_element_by_id("draft") {
|
|
let draft_checkbox = draft_checkbox.dyn_ref::<HtmlInputElement>().unwrap();
|
|
let draft = draft.dyn_ref::<HtmlInputElement>().unwrap();
|
|
draft_checkbox.set_checked(draft.checked());
|
|
}
|
|
}
|
|
let cover = document.get_element_by_id("cover").unwrap();
|
|
cover.parent_element().unwrap().remove_child(&cover).ok();
|
|
old_ed.append_child(&cover).unwrap();
|
|
set_value("license", get_elt_value("popup-license"));
|
|
clear_autosave();
|
|
let old_ed = old_ed.dyn_ref::<HtmlFormElement>().unwrap();
|
|
old_ed.submit().unwrap();
|
|
})) as Box<dyn FnMut(MouseEvent)>);
|
|
button
|
|
.add_event_listener_with_callback("click", callback.as_ref().unchecked_ref())
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
callback.forget();
|
|
popup
|
|
.append_child(button)
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
|
|
document
|
|
.body()
|
|
.ok_or(EditorError::NoneError)?
|
|
.append_child(&popup)
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
Ok(popup)
|
|
}
|
|
|
|
fn init_popup_bg() -> Result<Element, EditorError> {
|
|
let bg = document()
|
|
.create_element("div")
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
bg.class_list()
|
|
.add_1("popup-bg")
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
bg.set_attribute("id", "popup-bg")
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
|
|
document()
|
|
.body()
|
|
.ok_or(EditorError::NoneError)?
|
|
.append_child(&bg)
|
|
.map_err(|_| EditorError::DOMError)?;
|
|
let callback = Closure::wrap(Box::new(|_| close_popup()) as Box<dyn FnMut(MouseEvent)>);
|
|
bg.add_event_listener_with_callback("click", callback.as_ref().unchecked_ref())
|
|
.unwrap();
|
|
callback.forget();
|
|
Ok(bg)
|
|
}
|
|
|
|
fn chars_left(selector: &str, content: &HtmlElement) -> Option<i32> {
|
|
match document().query_selector(selector) {
|
|
Ok(Some(form)) => form.dyn_ref::<HtmlElement>().and_then(|form| {
|
|
if let Some(len) = form
|
|
.get_attribute("content-size")
|
|
.and_then(|s| s.parse::<i32>().ok())
|
|
{
|
|
(encode_uri_component(&content.inner_html())
|
|
.replace("%20", "+")
|
|
.replace("%0A", "%0D0A")
|
|
.replace_by_pattern(&RegExp::new("[!'*()]", "g"), "XXX")
|
|
.length()
|
|
+ 2_u32)
|
|
.try_into()
|
|
.map(|c: i32| len - c)
|
|
.ok()
|
|
} else {
|
|
None
|
|
}
|
|
}),
|
|
_ => None,
|
|
}
|
|
}
|
|
|
|
fn close_popup() {
|
|
let hide = |x: Element| x.class_list().remove_1("show");
|
|
document().get_element_by_id("publish-popup").map(hide);
|
|
document().get_element_by_id("popup-bg").map(hide);
|
|
}
|
|
|
|
fn make_input(label_text: &str, name: &'static str, form: &Element) -> HtmlInputElement {
|
|
let document = document();
|
|
let label = document.create_element("label").unwrap();
|
|
label
|
|
.append_child(&document.create_text_node(label_text))
|
|
.unwrap();
|
|
label.set_attribute("for", name).unwrap();
|
|
|
|
let inp = document.create_element("input").unwrap();
|
|
let inp = inp.dyn_into::<HtmlInputElement>().unwrap();
|
|
inp.set_attribute("name", name).unwrap();
|
|
inp.set_attribute("id", name).unwrap();
|
|
|
|
form.append_child(&label).unwrap();
|
|
form.append_child(&inp).unwrap();
|
|
inp
|
|
}
|
|
|
|
fn make_editable(tag: &'static str) -> Element {
|
|
let elt = document()
|
|
.create_element(tag)
|
|
.expect("Couldn't create editable element");
|
|
elt.set_attribute("contenteditable", "true")
|
|
.expect("Couldn't make the element editable");
|
|
elt
|
|
}
|
|
|
|
fn placeholder(elt: HtmlElement, text: &str) -> HtmlElement {
|
|
elt.dataset().set("placeholder", text).unwrap();
|
|
elt.dataset().set("edited", "false").unwrap();
|
|
|
|
let callback = Closure::wrap(Box::new(mv!(elt => move |_: FocusEvent| {
|
|
if elt.dataset().get("edited").unwrap().as_str() != "true" {
|
|
clear_children(&elt);
|
|
}
|
|
})) as Box<dyn FnMut(FocusEvent)>);
|
|
elt.add_event_listener_with_callback("focus", callback.as_ref().unchecked_ref())
|
|
.unwrap();
|
|
callback.forget();
|
|
let callback = Closure::wrap(Box::new(mv!(elt => move |_: Event| {
|
|
if elt.dataset().get("edited").unwrap().as_str() != "true" {
|
|
clear_children(&elt);
|
|
|
|
let ph = document().create_element("span").expect("Couldn't create placeholder");
|
|
ph.class_list().add_1("placeholder").expect("Couldn't add class");
|
|
ph.append_child(&document().create_text_node(&elt.dataset().get("placeholder").unwrap_or_default())).unwrap();
|
|
elt.append_child(&ph).unwrap();
|
|
}
|
|
})) as Box<dyn FnMut(Event)>);
|
|
elt.add_event_listener_with_callback("blur", callback.as_ref().unchecked_ref())
|
|
.unwrap();
|
|
callback.forget();
|
|
let callback = Closure::wrap(Box::new(mv!(elt => move |_: KeyboardEvent| {
|
|
elt.dataset().set("edited", if elt.inner_text().trim_matches('\n').is_empty() {
|
|
"false"
|
|
} else {
|
|
"true"
|
|
}).expect("Couldn't update edition state");
|
|
})) as Box<dyn FnMut(KeyboardEvent)>);
|
|
elt.add_event_listener_with_callback("keyup", callback.as_ref().unchecked_ref())
|
|
.unwrap();
|
|
callback.forget();
|
|
elt
|
|
}
|
|
|
|
fn clear_children(elt: &HtmlElement) {
|
|
let child_nodes = elt.child_nodes();
|
|
for _ in 0..child_nodes.length() {
|
|
elt.remove_child(&child_nodes.get(0).unwrap()).unwrap();
|
|
}
|
|
}
|