2016-12-30 16:16:43 +00:00
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/* $Id$ */
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/*
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* Copyright (c) 2016 Kristaps Dzonsons <kristaps@bsd.lv>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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(function(root) {
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'use strict';
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/*
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* Send a GET query to the give url.
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* Invokes "setup" before running anything, "error" upon network
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* error (with the HTTP error code and response text), and
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* success with the response text on 200.
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*/
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function sendQuery(url, setup, error, success)
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{
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var xmh = new XMLHttpRequest();
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var v;
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if (null !== setup)
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setup();
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xmh.onreadystatechange = function() {
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v = xmh.responseText;
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if (xmh.readyState === 4 &&
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xmh.status === 200) {
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if (null !== success)
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success(v);
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} else if (xmh.readyState === 4) {
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if (null !== error)
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error(xmh.status, v);
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}
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};
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xmh.open('GET', url, true);
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xmh.send(null);
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}
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/*
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* Send a POST query to the give url with the form.
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* Invokes "setup" before running anything (given the form),
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* "error" upon network error (with the form, HTTP error code,
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* and response text), and success with the form and response
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* text on 200.
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*/
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function sendForm(form, setup, error, success)
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{
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var xmh = new XMLHttpRequest();
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var v;
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if (null !== setup)
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setup(form);
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xmh.onreadystatechange=function() {
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v = xmh.responseText;
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if (xmh.readyState === 4 &&
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xmh.status === 200) {
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if (null !== success)
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success(form, v);
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} else if (xmh.readyState === 4) {
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if (null !== error)
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error(form, xmh.status, v);
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}
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};
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xmh.open(form.method, form.action, true);
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xmh.send(new FormData(form));
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return(false);
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}
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function stdError(code, resp) {
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console.log("ERREUR " + code + ": " + resp);
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}
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function indexSuccess(resp) {
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var res;
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try {
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res = JSON.parse(resp);
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} catch (error) {
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console.log('JSON parse fail: ' + resp);
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return(null);
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}
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app.message = res.length + " books";
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}
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/*
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* Configure the index page.
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*/
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function loadIndex()
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{
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sendQuery('cgi-bin/bouquins/books',
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null, stdError, indexSuccess);
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}
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root.loadIndex = loadIndex;
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})(this);
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document.addEventListener('DOMContentLoaded', function() {
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loadIndex();
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});
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var app = new Vue({
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el: '#app',
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data: {
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message: 'Hello Vue!'
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}
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})
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