sailx - teams playing alert

plays an alert sound if someone is present in a teams field. The use has to install tampermonkey and this script, activate and then open the sailing fields webpage

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         sailx - teams playing alert
// @namespace    http://http://www.sailx.com/en/profile/userprofile/adbad
// @description  plays an alert sound if someone is present in a teams field.  The use has to install tampermonkey and this script, activate and then open the sailing fields webpage
//
// @author       Adbad  - Adam Wray
// @match        http://www.sailx.com/en/sailing-fields
// @grant        none
// @version 0.0.1.20150926122546
// ==/UserScript==

var monitor_on;
var play_sound = true;  // future make this a cookies
var do_alert = false;   // future make this a cookie
var delay_time = 3;    // minutes between page refreshes

// now functions to deal with cookies

function setCookie(cname,cvalue,exdays) {
    var d = new Date();
    d.setTime(d.getTime() + (exdays*24*60*60*1000));
    var expires = "expires=" + d.toGMTString();
    document.cookie = cname+"="+cvalue+"; "+expires;
}

function getCookie(cname) {
    var name = cname + "=";
    var ca = document.cookie.split(';');
    for(var i=0; i<ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1);
        if (c.indexOf(name) === 0) {
            return c.substring(name.length, c.length);
        }
    }
    return "";
}

function checkCookie() {
    var mon_on = getCookie("monitor_on");
    //    debugger;
    if (mon_on === "") {
        monitor_on = confirm("click OK for monitoring?");
    } else {
        //       debugger;

        if (mon_on ==="true") {
            monitor_on=true;
        } else {
            monitor_on=false;
        }  
    } 
    if(monitor_on) { 
        mon_on ="true";
    } else {
        mon_on = "false";
    }
    setCookie("monitor_on", mon_on, 30);
}



function toggle_mon(){
    // toggles the state of the monitor for teams cookie/ variable

    if (monitor_on) {
        $("#monitor_but").text("Monitor OFF").css('background', 'red');
        monitor_on = false;
    } else {
        $("#monitor_but").text("Monitor ON").css('background', 'green');
        monitor_on = true;
    }
    if(monitor_on) { 
        mon_on ="true";
    } else {
        mon_on = "false";
    }
    setCookie("monitor_on", mon_on, 30);

}

function playSound () {
    // Plays a sound file - find your own favourite sound and put its web address here!

    var audio = new Audio('http://www.soundjay.com/nature/lake-waves-01.mp3');
    audio.play();
}

/************************************************/
/*             Main code                        */
/************************************************/

checkCookie();
setInterval(function() {
    //  sets interval timer to refresh sailing fields page
    window.location.reload();
},delay_time*60000); 

if(monitor_on){                                     //    if monitoring on then make nice green button "on"
    $("#masthead").append("<button id='monitor_but' style='background:green;cursor:pointer;margin: 0 auto; width: auto; text-align: center;'>Monitor ON</button>");
} else {                                           //   make red off button   

    $("#masthead").append("<button id='monitor_but' style='background:red;cursor:pointer;margin: 0 auto; width: auto; text-align: center;'>Monitor OFF</button>");
}
$("#monitor_but").click(toggle_mon);                 // on button click toggle monitoring state

// Code to select team racing fields by finding "team" in the cell of the format column.
// uses jQuery to find all table cells that have a class of format ( format column)

$("td.format").each(function(){                       // for each table cell with class ="format" .....
    if ($(this).html().indexOf('team') >= 0) {        // if the HTMl of the table cell has "team" somewhere in it ....
        if ($(this).next().text()!=="0") {            // This selects the text of the next table cell i.e. the "players" column and checks if its not zero....

            if(monitor_on) {                          //  If monitoring toggle on then ...
                playSound();                          //  Play a sound to notify
                //               alert("some team racing is happening!");
            }

            //stop looking for anymore            
            return(false);
        }
    }
});