mirror of
https://github.com/lxsang/antd-web-apps
synced 2024-12-27 09:58:20 +01:00
277 lines
11 KiB
JavaScript
277 lines
11 KiB
JavaScript
class QuickTalk {
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constructor(opt) {
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this.options = opt;
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if (typeof this.options.target === "string") {
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this.options.target = document.getElementById(this.options.target);
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}
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if (typeof this.options.page && typeof this.options.page === "string") {
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this.options.page = document.getElementById(this.options.page);
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}
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this.preview_on = false;
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this.instant_compose = undefined;
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let editor = document.createElement("div");
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let compose_button = document.createElement("button");
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compose_button.setAttribute("class", "quick-talk-compose-button");
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compose_button.textContent = "Write a comment";
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this.options.target.appendChild(compose_button);
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this.options.target.appendChild(editor);
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let container = this.load_thread(this.options.target);
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compose_button.addEventListener("click", (event) => {
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if (this.instant_compose) {
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this.instant_compose.parentNode.removeChild(this.instant_compose);
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}
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this.instant_compose = this.compose(editor, 0, true, (data) => {
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this.show_comment(container, data, true).scrollIntoView();
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});
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});
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}
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request(uri, data, callback) {
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let xhttp = new XMLHttpRequest();
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xhttp.open("POST", uri, true);
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xhttp.setRequestHeader("Content-type", "application/json");
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xhttp.onreadystatechange = () => {
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if (xhttp.readyState == 4) {
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if (xhttp.status == 200) {
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if (callback) {
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callback(JSON.parse(xhttp.responseText));
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}
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}
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else {
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this.error(xhttp.statusText);
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}
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}
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};
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if (data) {
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xhttp.send(JSON.stringify(data));
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}
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else {
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xhttp.send();
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}
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}
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set_status(type, msg) {
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if (this.status_el) {
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this.status_el.innerHTML = type + ": " + msg;
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}
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else {
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console.log(type + ": " + msg);
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}
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}
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clear_status() {
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this.status_el.innerHTML = "";
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}
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info(msg) {
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this.set_status("INFO", msg);
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}
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error(obj) {
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console.log(obj);
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this.set_status("ERROR", obj.toString());
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}
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compose(at, cid, auto_hide, callback) {
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let preview = document.createElement("div");
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preview.setAttribute("class", "quick-talk-preview");
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preview.style.display = "none";
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let container = document.createElement("div");
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container.setAttribute("class", "quick-talk-compose");
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let name = document.createElement("input");
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name.value = "Name";
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name.addEventListener("focus", (event) => {
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if (name.value == "Name") {
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name.value = "";
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}
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});
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name.addEventListener("blur", (event) => {
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if (name.value.trim() == "") {
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name.value = "Name";
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}
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});
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let email = document.createElement("input");
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email.value = "Email";
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email.addEventListener("focus", (event) => {
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if (email.value == "Email") {
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email.value = "";
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}
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});
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email.addEventListener("blur", (event) => {
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if (email.value.trim() == "") {
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email.value = "Email";
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}
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});
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let ta = document.createElement("textarea");
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ta.onkeydown = (e) => {
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if (e.keyCode === 9) {
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// tab was pressed
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// get caret position/selection
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var val = ta.value, start = ta.selectionStart, end = ta.selectionEnd;
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// set textarea value to: text before caret + tab + text after caret
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ta.value =
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val.substring(0, start) + " " + val.substring(end);
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// put caret at right position again
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ta.selectionStart = ta.selectionEnd = start + 4;
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// prevent the focus lose
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return false;
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}
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};
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let footer = document.createElement("div");
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footer.setAttribute("class", "quick-talk-compose-footer");
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this.status_el = document.createElement("div");
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let bt_preview = document.createElement("button");
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bt_preview.textContent = "Preview";
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bt_preview.addEventListener("click", (event) => {
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let md = { data: ta.value };
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if (!this.preview_on && ta.value.trim() != "") {
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this.request(this.options.api_uri + "/preview", md, (ret) => {
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if (ret.result) {
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ta.style.display = "none";
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preview.innerHTML = ret.result;
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preview.style.display = "block";
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bt_preview.textContent = "Edit";
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this.preview_on = !this.preview_on;
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}
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else {
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this.error(ret.error);
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}
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});
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}
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else {
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ta.style.display = "block";
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preview.style.display = "none";
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bt_preview.textContent = "Preview";
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this.preview_on = !this.preview_on;
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}
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});
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let bt_submit = document.createElement("button");
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bt_submit.textContent = "Send";
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bt_submit.addEventListener("click", (event) => {
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this.clear_status();
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if (name.value.trim() == "" ||
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name.value.trim() == "Name" ||
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email.value.trim() == "" ||
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email.value.trim() == "Email" ||
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ta.value.trim() == "") {
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this.info("Please enter all the fields");
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return;
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}
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// check for email
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let re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
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if (!re.test(String(email.value).toLowerCase()))
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return this.info("Email is not correct");
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// send the post request
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let data = {
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page: {
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uri: this.options.uri,
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},
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comment: {
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name: name.value,
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email: email.value,
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rid: cid,
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content: ta.value,
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},
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};
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if (this.options.author) {
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data.author =
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this.options.author.first + "@" + this.options.author.last;
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}
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this.request(this.options.api_uri + "/post", data, (ret) => {
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if (ret.result) {
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// TODO: more check goes here
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name.value = "Name";
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email.value = "Email";
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ta.value = "";
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if (auto_hide) {
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at.removeChild(container);
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this.instant_compose = undefined;
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}
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if (callback) {
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callback(ret.result);
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}
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}
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else {
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this.error(ret.error);
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}
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});
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});
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footer.appendChild(this.status_el);
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footer.appendChild(bt_preview);
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footer.appendChild(bt_submit);
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container.appendChild(name);
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container.appendChild(email);
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container.appendChild(ta);
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container.appendChild(preview);
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container.appendChild(footer);
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at.appendChild(container);
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if (this.options.page) {
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this.options.page.scrollTop = container.offsetTop - this.options.page.offsetTop;
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}
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//container.scrollIntoView();
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return container;
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}
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load_thread(at) {
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let container = document.createElement("div");
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container.setAttribute("class", "quick-talk-comment-thread");
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at.appendChild(container);
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this.request(this.options.api_uri, { page: this.options.uri }, (ret) => {
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if (ret.result) {
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ret.result.forEach((comment) => {
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this.show_comment(container, comment, true);
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});
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}
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else {
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this.error(ret.error);
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}
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if (this.options.onload) {
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this.options.onload();
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}
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});
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return container;
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}
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show_comment(at, comment, show_footer) {
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let container = document.createElement("div");
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container.setAttribute("class", "quick-talk-comment");
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let header = document.createElement("div");
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header.setAttribute("class", "quick-talk-comment-header");
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let username = document.createElement("span");
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username.setAttribute("class", "quick-talk-comment-user");
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let time = document.createElement("span");
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time.setAttribute("class", "quick-talk-comment-time");
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let content = document.createElement("div");
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content.setAttribute("class", "quick-talk-comment-content");
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username.innerHTML = comment.name;
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let date = new Date(parseInt(comment.time) * 1000);
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time.innerHTML = `on ${date.getDate()}/${date.getMonth()}/${date.getFullYear()} ${date.getHours()}:${date.getMinutes()}:${date.getSeconds()}, wrote:`;
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content.innerHTML = comment.content;
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header.appendChild(username);
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header.appendChild(time);
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container.appendChild(header);
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container.appendChild(content);
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let sub_comments = document.createElement("div");
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sub_comments.setAttribute("class", "quick-talk-sub-comment");
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if (comment.children && comment.children.length > 0) {
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comment.children.forEach((cmt) => {
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this.show_comment(sub_comments, cmt, false);
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});
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}
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container.appendChild(sub_comments);
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if (show_footer) {
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let footer = document.createElement("div");
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footer.setAttribute("class", "quick-talk-comment-footer");
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let span = document.createElement("span");
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span.innerText = "Reply";
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footer.appendChild(span);
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let editor = document.createElement("div");
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footer.appendChild(editor);
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span.addEventListener("click", (event) => {
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if (this.instant_compose) {
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this.instant_compose.parentNode.removeChild(this.instant_compose);
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}
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this.instant_compose = this.compose(editor, parseInt(comment.id), true, (data) => {
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this.show_comment(sub_comments, data, false).scrollIntoView();
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});
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});
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container.appendChild(footer);
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}
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at.appendChild(container);
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return container;
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}
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}
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