forked from cory/tildefriends
Cory McWilliams
54b5f6154e
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3310 ed5197a5-7fde-0310-b194-c3ffbd925b24
198 lines
5.3 KiB
JavaScript
198 lines
5.3 KiB
JavaScript
"use strict";
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//! {"category": "work in progress", "require": ["libdocument", "liblist", "ui"]}
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let libdocument = require("libdocument");
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let liblist = require("liblist");
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let libui = require("ui");
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class Blog {
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constructor() {
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this._list = liblist.ListStore("blog:list");
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this._documents = libdocument.DocumentStore("blog:posts");
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}
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async renderIndex() {
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terminal.cork();
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try {
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terminal.split([{name: "terminal"}]);
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terminal.clear();
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let posts = await this._list.get(-1, -10);
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for (let i = 0; i < posts.length; i++) {
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let post = await this._documents.get(posts[i]);
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if (post) {
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let formatted = this.formatPost(post);
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for (let j in formatted) {
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terminal.print(formatted[j]);
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}
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}
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}
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if (core.user.credentials.permissions.administration) {
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terminal.print({command: JSON.stringify({action: "new"}), value: "new post"});
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}
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} finally {
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terminal.uncork();
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}
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}
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formatPost(post) {
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let result = [
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[{style: "font-size: xx-large", value: post.title}],
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[{style: "font-size: x-small", value: post.author}, " ", {style: "font-size: x-small", value: post.created}],
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post.body,
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];
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if (core.user.credentials.permissions.administration) {
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result[0].push({command: JSON.stringify({action: "edit", post: post.name}), value: "edit"});
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}
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return result;
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}
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async submitPost(post) {
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let now = new Date();
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let oldPost = await this._documents.get(post.name);
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if (!await this._list.getByKey(post.name)) {
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this._list.push(post.name);
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}
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for (let key in oldPost) {
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if (!post[key]) {
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post[key] = oldPost[key];
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}
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}
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if (!post.created) {
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post.created = now;
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}
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if (!post.author) {
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post.author = core.user.name;
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}
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post.modified = now;
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await this._documents.set(post.name, post);
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}
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async deletePost(name) {
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await this._documents.set(name, null);
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}
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async handleCommand(command) {
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if (command.action == "edit") {
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await this.edit(command.post);
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} else if (command.action == "new") {
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await this.edit(null);
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} else if (command.action == "delete") {
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await this.deletePost(command.post);
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}
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}
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async edit(page) {
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terminal.cork();
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try {
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let self = this;
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self._post = await this._documents.get(page);
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if (!this._onWindowMessage) {
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this._onWindowMessage = function(event) {
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let message = event.message;
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if (message == "load") {
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terminal.postMessageToIframe("iframe", self._post);
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} else if (message.action == "save") {
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self.submitPost(message.post).then(self.renderIndex.bind(self)).catch(terminal.print);
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} else if (message.action == "delete") {
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self.deletePost(message.post).then(self.renderIndex.bind(self)).catch(terminal.print);
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} else if (message.action == "back") {
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self.renderIndex.bind(self)().catch(terminal.print);
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}
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}
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core.register("onWindowMessage", this._onWindowMessage);
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}
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terminal.split([{name: "terminal", type: "vertical"}]);
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terminal.clear();
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terminal.print({iframe: `
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<!DOCTYPE html>
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<html>
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<head>
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<script src="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.13.2/codemirror.min.js"></script>
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<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/codemirror/5.13.2/codemirror.min.css"></link>
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<style>
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html, body, #contents {
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height: 100%;
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margin: 0;
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padding: 0;
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}
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body {
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display: flex;
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flex-direction: column;
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color: #fff;
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}
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.CodeMirror {
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width: 100%;
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height: 100%;
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}
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.CodeMirror-scroll {
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}
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</style>
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</head>
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<body>
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<div>
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<input type="button" id="back" value="Back" onclick="back()">
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<input type="button" id="save" value="Save" onclick="save()">
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<input type="button" id="delete" value="Delete" onclick="deletePost()">
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</div>
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<div><label for="name">Name:</label> <input type="text" id="name"></div>
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<div><label for="title">Title:</label> <input type="text" id="title"></div>
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<textarea id="contents" style="width: 100%; height: 100%"></textarea>
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<script>
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var gEditor;
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window.addEventListener("message", function(event) {
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var message = event.data;
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console.debug(message);
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gEditor.setValue(message.body || "");
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document.getElementById("name").value = message.name || "untitled";
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document.getElementById("title").value = message.title || "untitled";
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});
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window.addEventListener("load", function() {
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gEditor = CodeMirror.fromTextArea(document.getElementById("contents"), {
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lineNumbers: true
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});
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//gEditor.on("change", textChanged);
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parent.postMessage("load", "*");
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});
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function back() {
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parent.postMessage({action: "back"}, "*");
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}
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function save() {
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parent.postMessage({
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action: "save",
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post: {
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name: document.getElementById("name").value,
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title: document.getElementById("title").value,
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body: gEditor.getValue(),
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},
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}, "*");
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}
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function deletePost() {
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parent.postMessage({
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action: "delete",
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post: document.getElementById("name").value,
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}, "*");
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}
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</script>
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</body>
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</html>
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`, name: "iframe", style: "flex: 1 1 auto; width: 100%; margin: 0; border: 0; padding: 0;"});
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} finally {
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terminal.uncork();
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}
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}
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}
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terminal.setEcho(false);
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let blog = new Blog();
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blog.renderIndex().catch(terminal.print);
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core.register("onInput", async function(input) {
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try {
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await blog.handleCommand(JSON.parse(input));
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} catch (error) {
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terminal.print(error);
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}
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}); |