2 Copyright © 2011 Pau Escrich <pau@dabax.net>
3 Contributors Lluis Esquerda <eskerda@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
25 Table pooler is a function to easy call XHR poller.
27 new TablePooler(5,"/cgi-bin/bmx7-info", {'status':''}, "status_table", function(st){
29 table.push(st.first,st.second)
34 polling_time: time between pollings
35 json_url: the json url to fetch the data
36 json_call: the json call
37 output_table_id: the table where javascript will put the data
38 callback_function: the function that will be executed each polling_time
40 The callback_function must return an array of arrays (matrix).
41 In the code st is the data obtained from the json call
44 function TablePooler (time
, jsonurl
, getparams
, div_id
, callback
) {
46 this.div
= document
.getElementById(div_id
);
47 this.callback
= callback
;
48 this.jsonurl
= jsonurl
;
49 this.getparams
= getparams
;
52 this.start = function(){
53 XHR
.poll(this.time
, this.jsonurl
, this.getparams
, function(x
, st
){
54 var data
= this.callback(st
);
56 for (var i
= 0; i
< data
.length
; i
++){
57 rowId
= "trDiv_" + this.div_id
+ i
;
58 rowDiv
= document
.getElementById(rowId
);
59 if (rowDiv
=== null) {
60 rowDiv
= document
.createElement("div");
62 rowDiv
.className
= "tr";
63 this.div
.appendChild(rowDiv
);
65 for (var j
= 0; j
< data
[i
].length
; j
++){
66 cellId
= "tdDiv_" + this.div_id
+ i
+ j
;
67 cellDiv
= document
.getElementById(cellId
);
68 if (cellDiv
=== null) {
69 cellDiv
= document
.createElement("div");
71 cellDiv
.className
= "td";
72 rowDiv
.appendChild(cellDiv
);
74 if (typeof data
[i
][j
] !== 'undefined' && data
[i
][j
].length
== 2) {
75 content
= data
[i
][j
][0] + "/" + data
[i
][j
][1];
77 else content
= data
[i
][j
];
78 cellDiv
.innerHTML
= content
;