// Disable Scrolling
// Example from http:// output.jsbin.com/xatidu/4/
// call it with  "disableScroll();"

// left: 37, up: 38, right: 39, down: 40,
// spacebar: 32, pageup: 33, pagedown: 34, end: 35, home: 36
var keys = {37: 1, 38: 1, 39: 1, 40: 1};

function preventDefault(e) {
  e = e || window.event;
  if (e.preventDefault)
      e.preventDefault();
  e.returnValue = false;
}

function preventDefaultForScrollKeys(e) {
    if (keys[e.keyCode]) {
        preventDefault(e);
        return false;
    }
}

function disableScroll() {
    console.log("Disable Scroll");
      if (window.addEventListener) // older FF
          window.addEventListener('DOMMouseScroll', preventDefault, false);
      window.onwheel = preventDefault; // modern standard
      window.onmousewheel = document.onmousewheel = preventDefault; // older browsers, IE
      window.ontouchmove  = preventDefault; // mobile
      document.onkeydown  = preventDefaultForScrollKeys;
}

function pad(val) {
    var valString = val + "";
    if (valString.length < 2) {
        return "0" + valString;
    } else {
        return valString;
    }
}

/* Maesure Time: Creates the minutes/seconds display */
    function measureTime(difference, end, duration) {
        if (difference > 0) {
            try {  /* Erstes Try weil bei normaler Chat Anerkennung gibt es kein Ersatzfenster, man verlässt einfach die Page */
                try {
                        document.getElementById("ChatFensterErsatz1").style.display = "none";
                } catch (e) {
                        document.getElementById("ChatFensterErsatz2").style.display = "none";
                }
            } catch (e) {}

            var myTimer = setInterval(function () {
                difference = (end - (new Date()).getTime()) / 1000 | 0;   //  "| 0; steht für keine kommazahlen" // difference is in seconds
                maxdiff = duration /1000;
                if (difference <= maxdiff) {
                    document.getElementById("minutes").innerHTML = pad(parseInt(difference / 60, 10)) + ":";
                    document.getElementById("seconds").innerHTML = pad(difference % 60);
                    if (difference <= 0) {
                        clearInterval(myTimer);
                        try { /* Erstes Try weil bei normaler Chat Anerkennung gibt es kein Ersatzfenster, man verlässt einfach die Page */
                            try {
                                    document.getElementById("ChatFenster1").style.display = "none";
                                    document.getElementById("ChatFensterErsatz1").style.display = "block";
                            } catch (e) {
                                    document.getElementById("ChatFenster2").style.display = "none";
                                    document.getElementById("ChatFensterErsatz2").style.display = "block";
                            }
                        } catch (e) {}
                    }
                }
            }, 1000);
        } else {
                document.getElementById("minutes").innerHTML = pad(0) + ":";
                document.getElementById("seconds").innerHTML = pad(0);
                try { /* Erstes Try weil bei normaler Chat Anerkennung gibt es kein Ersatzfenster, man verlässt einfach die Page */
                    try {
                            document.getElementById("ChatFenster1").style.display = "none";
                            document.getElementById("ChatFensterErsatz1").style.display = "block";
                    } catch {
                            document.getElementById("ChatFenster2").style.display = "none";
                            document.getElementById("ChatFensterErsatz2").style.display = "block";
                    }
                } catch (e) {}
        }

    }

/* Create alert boxes */
$(function() {


    // No questions left
    $( "#no-one-left" ).dialog({
        autoOpen: false,
        position: {
            my: "center",
            at: "center",
            of: "#all"
        }
    });

    // Enter valid number
    $( "#validentryeffort" ).dialog({
        autoOpen: false,
        position: {
            my: "center",
            at: "center",
            of: "#all"
        },
        buttons: {
            OK: function () {$(this).dialog("close");}
        }
    });

    // One minute left
    $( "#alert-one-minute-left" ).dialog({
        autoOpen: false,
        buttons: {
            OK: function () {$(this).dialog("close");}
        },
        position: {
            my: "center",
            at: "center",
            of: "#all"
        }
    });

    // Question was not ansered.
    $( "#alertEntry" ).dialog({
        autoOpen: false,
        buttons: {
          OK: function() {$(this).dialog("close");}
        },
        position: {
          my: "center",
          at: "center",
          of: "#all"
        }
    });

    // Not all fields are filled
    $( "#entersomething" ).dialog({
        autoOpen: false,
        buttons: {
            OK: function() {$(this).dialog("close");}
        },
        position: {
            my: "center",
            at: "center",
            of: "#all"
        }
    });

    // Suggested Distribution doesn't add up to 30
    $( "#alert30" ).dialog({
       autoOpen: false,
       buttons: {
          OK: function() {$(this).dialog("close");}
       },
       position: {
          my: "center",
          at: "center",
          of: "#all"
       }
    });

    // Negative values
    $( "#negativeAlert" ).dialog({
       autoOpen: false,
       buttons: {
          OK: function() {$(this).dialog("close");}
       },
       position: {
          my: "center",
          at: "center",
          of: "#all"
       }
    });

    // Too many decimals
    $( "#decimalAlert" ).dialog({
       autoOpen: false,
       buttons: {
          OK: function() {$(this).dialog("close");}
       },
       position: {
          my: "center",
          at: "center",
          of: "#all"
       }
    });

    // No Argument entered
    $( "#alertArg" ).dialog({
       autoOpen: false,
       buttons: {
          OK: function() {$(this).dialog("close");}
       },
       position: {
          my: "center",
          at: "center",
          of: "#all"
       }
    });

    // Argument not long enough
    $( "#alertLongArg" ).dialog({
       autoOpen: false,
       buttons: {
          OK: function() {$(this).dialog("close");}
       },
       position: {
          my: "center",
          at: "center",
          of: "#all"
       }
    });

    // Not a winner - Arguments results
    $( "#ArgRes0" ).dialog({
       autoOpen: false,
       buttons: {
          OK: function() {$(this).dialog("close");}
       },
       position: {
          my: "center",
          at: "center",
          of: "#all"
       }
    });

    // Single winner- Arguments results
    $( "#ArgRes1" ).dialog({
       autoOpen: false,
       buttons: {
          OK: function() {$(this).dialog("close");}
       },
       position: {
          my: "center",
          at: "center",
          of: "#all"
       }
    });

    // One of two winners- Arguments results
    $( "#ArgRes2" ).dialog({
       autoOpen: false,
       buttons: {
          OK: function() {$(this).dialog("close");}
       },
       position: {
          my: "center",
          at: "center",
          of: "#all"
       }
    });
});