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

diff --git a/luci-app-bmx7/files/www/luci-static/resources/bmx7/js/polling.js b/luci-app-bmx7/files/www/luci-static/resources/bmx7/js/polling.js
new file mode 100644 (file)
index 0000000..4a382eb
--- /dev/null
+++ b/luci-app-bmx7/files/www/luci-static/resources/bmx7/js/polling.js
@@ -0,0 +1,80 @@
+/*
+    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();
+}