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[luci-app-bmx7] Add polling.js resource

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Roger Pueyo Centelles 2016-03-10 11:28:42 +01:00 committed by Axel Neumann
parent 06789715c4
commit ffe6daf597
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luci-app-bmx7/files/www/luci-static/resources/bmx7/js/polling.js Normal file
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/*
Copyright © 2011 Pau Escrich <pau@dabax.net>
Contributors Lluis Esquerda <eskerda@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
*/
/*
Table pooler is a function to easy call XHR poller.
new TablePooler(5,"/cgi-bin/bmx7-info", {'status':''}, "status_table", function(st){
var table = Array()
table.push(st.first,st.second)
return table
}
The parameters are:
polling_time: time between pollings
json_url: the json url to fetch the data
json_call: the json call
output_table_id: the table where javascript will put the data
callback_function: the function that will be executed each polling_time
The callback_function must return an array of arrays (matrix).
In the code st is the data obtained from the json call
*/
function TablePooler (time, jsonurl, getparams, table_id, callback) {
this.table = document.getElementById(table_id);
this.callback = callback;
this.jsonurl = jsonurl;
this.getparams = getparams;
this.time = time;
/* clear all rows */
this.clear = function(){
while( this.table.rows.length > 1 ) this.table.deleteRow(1);
}
this.start = function(){
XHR.poll(this.time, this.jsonurl, this.getparams, function(x, st){
var data = this.callback(st);
var content, tr, td;
this.clear();
for (var i = 0; i < data.length; i++){
tr = this.table.insertRow(-1);
tr.className = 'cbi-section-table-row cbi-rowstyle-' + ((i % 2) + 1);
for (var j = 0; j < data[i].length; j++){
td = tr.insertCell(-1);
if (data[i][j].length == 2) {
td.colSpan = data[i][j][1];
content = data[i][j][0];
}
else content = data[i][j];
td.innerHTML = content;
}
}
}.bind(this));
}
this.start();
}