191 lines
6.5 KiB
HTML
191 lines
6.5 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>WebSocket demo</title>
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</head>
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<body>
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<div id="menu">
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<input type="text" id="input">
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<button id="button">submit</button>
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<br>
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<button id="editbutton">edit this page</button>
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<button id="send">send</button>
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<button id="root">return to the root page</button>
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<br>
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<input type="text" id="username">
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<input type="password" id="password">
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<button id="login">login!</button>
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<p id="loginstatus">not logged in!</p>
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<hr>
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</div>
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<div id="content">
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</div>
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<div id="edit">
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<p id="editpage"></p>
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<textarea id="editbox"></textarea>
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</div>
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<style>
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#edit {
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display: none;
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}
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#content {
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display: block;
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}
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</style>
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<script>
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function isAlphaNumeric(str) {
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var code, i, len;
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for (i = 0, len = str.length; i < len; i++) {
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code = str.charCodeAt(i);
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if (!(code > 47 && code < 58) && // numeric (0-9)
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!(code > 64 && code < 91) && // upper alpha (A-Z)
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!(code > 96 && code < 123)) { // lower alpha (a-z)
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return false;
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}
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}
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return true;
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};
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function getCommand(str) {
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var ret = [];
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for(var i = 0; i < str.length; i++) {
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if(!isAlphaNumeric(str[i])) ret.push(str[i]);
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else if(i == 0 && isAlphaNumeric(str[i])) return '';
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else break;
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}
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return [ret.join(''), i];
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};
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var ws = new WebSocket("ws://192.168.1.30:8765/"),
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messages = document.createElement('ul'),
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editbutton = document.getElementById("editbutton"),
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editdiv = document.getElementById("edit"),
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textarea = document.getElementById("editbox"),
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username = document.getElementById("username"),
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password = document.getElementById("password"),
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login = document.getElementById("login"),
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loginstatus = document.getElementById("loginstatus"),
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root = document.getElementById("root"),
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currentpage = '',
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editsend = document.getElementById("send"),
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header = true;
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buffer = [];
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ws.onmessage = function (event) {
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var commanddata = getCommand(event.data);
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var preserve = false;
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var link = false;
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if(header) {
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header = false;
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return;
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}
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if(event.data === "auth succeed") {
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loginstatus.innerHTML = "logged in";
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load("test.for");
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return;
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}
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buffer.push(event.data);
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switch(commanddata[0]) {
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case '#':
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var elem = document.createElement('h1');
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break;
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case '##':
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var elem = document.createElement('h2');
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break;
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case '###':
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var elem = document.createElement('h3');
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break;
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case '####':
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var elem = document.createElement('h4');
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break;
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case '#####':
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var elem = document.createElement('h5');
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break;
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case '######':
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var elem = document.createElement('h6');
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break;
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case '[[':
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var elem = document.createElement('a');
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link = true;
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break;
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default:
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var elem = document.createElement('p');
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preserve = true;
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break;
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}
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var body = document.getElementById('content');
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if(!preserve && !link) {
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elem.innerHTML = event.data.slice(commanddata[1]);
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} else if(link) {
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var tmp = event.data.slice(commanddata[1]).split(']]')[0];
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var splitted = tmp.split(':');
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elem.innerHTML = splitted[0];
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elem.href = "javascript:load(\'" + splitted[1] + "\');";
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link = false;
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} else {
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elem.innerHTML = event.data;
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}
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body.appendChild(elem);
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};
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document.body.appendChild(messages);
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ws.onopen = function(event) {
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ws.send("get test.for");
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currentpage = "test.for";
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};
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var button = document.getElementById("button"),
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text = document.getElementById("input");
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function load(page) {
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var body = document.getElementById('content');
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body.innerHTML = '';
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input.value = page;
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header = true;
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ws.send("get " + page);
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currentpage = page;
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buffer = [];
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};
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button.onclick = function(event) {
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load(text.value);
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};
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editbutton.onclick = function(event) {
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editdiv.style.display = 'block';
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var body = document.getElementById('content');
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body.style.display = 'none';
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for(var i = 0; i < buffer.length; i++) {
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textarea.value += buffer[i] + '\n';
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}
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};
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send.onclick = function(event) {
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ws.send("put " + currentpage);
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ws.send(textarea.value);
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editdiv.style.display = 'none';
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var body = document.getElementById('content');
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body.style.display = 'block';
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load(currentpage);
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};
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login.onclick = function(event) {
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ws.send("auth " + username.value + " " + password.value);
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}
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root.onclick = function(event) {
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load("test.for");
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}
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</script>
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</body>
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</html>
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