Dynamic index

This commit is contained in:
Meutel 2016-12-30 17:16:43 +01:00
parent 88cf86a7b5
commit f1b834f46f
2 changed files with 128 additions and 1 deletions

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<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head> <head>
<title>Bouquins</title>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<meta charset="utf-8" /> <meta charset="utf-8" />
<title>Bouquins</title> <link rel="preload" href="cgi-bin/bouquins/books">
<link rel="preload" href="index.js" as="script">
<link rel="preload" href="vue.min.js" as="script">
<link rel="prefetch" href="cgi-bin/bouquins/books">
<link rel="prefetch" href="index.js">
<link rel="prefetch" href="vue.min.js">
</head> </head>
<body> <body>
<h1>Bouquins</h1> <h1>Bouquins</h1>
<div id="app"> {{ message }} </div>
<script src="vue.min.js"></script>
<script src="index.js"></script>
</body> </body>
</html> </html>

118
index.js
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/* $Id$ */
/*
* Copyright (c) 2016 Kristaps Dzonsons <kristaps@bsd.lv>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
(function(root) {
'use strict';
/*
* Send a GET query to the give url.
* Invokes "setup" before running anything, "error" upon network
* error (with the HTTP error code and response text), and
* success with the response text on 200.
*/
function sendQuery(url, setup, error, success)
{
var xmh = new XMLHttpRequest();
var v;
if (null !== setup)
setup();
xmh.onreadystatechange = function() {
v = xmh.responseText;
if (xmh.readyState === 4 &&
xmh.status === 200) {
if (null !== success)
success(v);
} else if (xmh.readyState === 4) {
if (null !== error)
error(xmh.status, v);
}
};
xmh.open('GET', url, true);
xmh.send(null);
}
/*
* Send a POST query to the give url with the form.
* Invokes "setup" before running anything (given the form),
* "error" upon network error (with the form, HTTP error code,
* and response text), and success with the form and response
* text on 200.
*/
function sendForm(form, setup, error, success)
{
var xmh = new XMLHttpRequest();
var v;
if (null !== setup)
setup(form);
xmh.onreadystatechange=function() {
v = xmh.responseText;
if (xmh.readyState === 4 &&
xmh.status === 200) {
if (null !== success)
success(form, v);
} else if (xmh.readyState === 4) {
if (null !== error)
error(form, xmh.status, v);
}
};
xmh.open(form.method, form.action, true);
xmh.send(new FormData(form));
return(false);
}
function stdError(code, resp) {
console.log("ERREUR " + code + ": " + resp);
}
function indexSuccess(resp) {
var res;
try {
res = JSON.parse(resp);
} catch (error) {
console.log('JSON parse fail: ' + resp);
return(null);
}
app.message = res.length + " books";
}
/*
* Configure the index page.
*/
function loadIndex()
{
sendQuery('cgi-bin/bouquins/books',
null, stdError, indexSuccess);
}
root.loadIndex = loadIndex;
})(this);
document.addEventListener('DOMContentLoaded', function() {
loadIndex();
});
var app = new Vue({
el: '#app',
data: {
message: 'Hello Vue!'
}
})