if(!navigator.cookieEnabled) window.location='/error/?err=102';
window.onerror = function() {return true;};
//document.oncontextmenu = function() {return false;};

if (typeof HTMLElement!="undefined" && ! HTMLElement.prototype.insertAdjacentElement) {
    HTMLElement.prototype.insertAdjacentElement = function (where,parsedNode) {
        switch (where) {
            case 'beforeBegin':
                this.parentNode.insertBefore(parsedNode,this)
                break;
            case 'afterBegin':
                this.insertBefore(parsedNode,this.firstChild);
                break;
            case 'beforeEnd':
                this.appendChild(parsedNode);
                break;
            case 'afterEnd':
                if (this.nextSibling)
                    this.parentNode.insertBefore(parsedNode,this.nextSibling);
                else
                    this.parentNode.appendChild(parsedNode);
                break;
        }
    }

    HTMLElement.prototype.insertAdjacentHTML = function (where,htmlStr) {
        var r = this.ownerDocument.createRange();
        r.setStartBefore(this);
        var parsedHTML = r.createContextualFragment(htmlStr);
        this.insertAdjacentElement(where,parsedHTML)
    }

    HTMLElement.prototype.insertAdjacentText = function (where,txtStr) {
        var parsedText = document.createTextNode(txtStr)
        this.insertAdjacentElement(where,parsedText)
    }
}

var FarsiType = {
    // Farsi keyboard map based on Iran Popular Keyboard Layout
    farsiKey: [
        32,    33,    34,    35,    36,    37,    1548,    1711,
        41,    40,    215,    43,    1608,    45,    46,    47,
        48,    49,    50,    51,    52,    53,    54,    55,
        56,    57,    58,    1705,    44,    61,    46,    1567,
        64,    1616,    1584,    125,    1609,    1615,    1609,    1604,
        1570,    247,    1600,    1548,    47,    8217,    1583,    215,
        1563,    1614,    1569,    1613,    1601,    8216,    123,    1611,
        1618,    1573,    126,    1580,    1688,    1670,    94,    95,
        1662,    1588,    1584,    1586,    1740,    1579,    1576,    1604,
        1575,    1607,    1578,    1606,    1605,    1574,    1583,    1582,
        1581,    1590,    1602,    1587,    1601,    1593,    1585,    1589,
        1591,    1594,    1592,    60,    124,    62,    1617
    ],
    Type: true,
    counter: 0,
    ShowChangeLangButton: 0,    // 0: Hidden / 1: Visible
    KeyBoardError: 1,            // 0: Disable FarsiType / 1: Show Error
    ChangeDir: 0,            // 0: No Action / 1: Do Rtl-Ltr / 2: Rtl-Ltr button
    UnSupportedAction: 0        //0: Disable FarsiType / 1: Low Support
}

FarsiType.enable_disable = function(Dis) {
    var invis, obj;
    
    if (!Dis.checked)  {
        FarsiType.Type = true;
        disable = false;
        color = 'darkblue';
    } else {
        FarsiType.Type = false;
        disable = true;
        color = '#ECE9D8';
    }

    if (FarsiType.ShowChangeLangButton == 1) { 
        for (var i=1; i<= FarsiType.counter; i++) {
            obj = document.getElementById('FarsiType_button_' + i);
            obj.disabled = disable;
            obj.style.backgroundColor = color;
        }
    }
}

FarsiType.Disable = function() {
    FarsiType.Type = false;
    var Dis = document.getElementById('disableFarsiType')
    if (Dis != null) {
        Dis.checked = true;
    }

    if (FarsiType.ShowChangeLangButton == 1) { 
        for (var i=1; i<= FarsiType.counter; i++) {
            obj = document.getElementById('FarsiType_button_' + i);
            obj.disabled = true;
            obj.style.backgroundColor = '#ECE9D8';
        }
    }
}

FarsiType.init = function() {

    var Inputs = document.getElementsByTagName('INPUT');
    for (var i=0; i<Inputs.length; i++) {
        if (Inputs[i].type.toLowerCase() == 'text' && (Inputs[i].lang.toLowerCase() == 'fa' || Inputs[i].lang.toLowerCase() == 'fa-ir')) {
            FarsiType.counter++;
            new FarsiType.KeyObject(Inputs[i], FarsiType.counter);
        }
        
    }

    var Areas = document.getElementsByTagName('TEXTAREA');
    for (var i=0; i<Areas.length; i++) {
        if (Areas[i].lang.toLowerCase() == 'fa' || Areas[i].lang.toLowerCase() == 'fa-ir') {
            FarsiType.counter++;
            new FarsiType.KeyObject(Areas[i], FarsiType.counter);
        }
    }
    
    var Dis = document.getElementById('disableFarsiType')
    if (Dis != null) {
        FarsiType.enable_disable (Dis);
        Dis.onclick = new Function( "FarsiType.enable_disable (this);" )
    }
}

FarsiType.KeyObject = function(z,x) {

    GenerateStr = "";
    if (FarsiType.ShowChangeLangButton == 1) {
        GenerateStr = GenerateStr + "<input type='button' id=FarsiType_button_"+x+" style='border: none; background-color:darkblue; font-size:11; color:white; font-family:tahoma; padding: 1px; margin: 1px; width: auto; height: auto;' value='FA' />&nbsp;";
    }
    if (FarsiType.ChangeDir == 2) {
        GenerateStr = GenerateStr  + "<input type='button' id=FarsiType_ChangeDir_"+x+" style='border: none; background-color:darkblue; font-size:11; color:white; font-family:tahoma; padding: 1px; margin: 1px; width: auto; height: auto;' value='RTL' />"
    }
    z.insertAdjacentHTML("afterEnd", GenerateStr);

    if (FarsiType.ShowChangeLangButton == 1) { 
        z.bottelm = document.getElementById ('FarsiType_button_' + x);
        z.bottelm.title = 'Change lang to english';
    }
    if (FarsiType.ChangeDir == 2) {
        z.Direlm = document.getElementById ('FarsiType_ChangeDir_' + x); 
    }

    z.farsi = true;
    z.dir = "rtl";
    z.align = "right";

    z.style.textAlign = z.align;
    z.style.direction = z.dir;

    setSelectionRange = function(input, selectionStart, selectionEnd) {
        input.focus()
        input.setSelectionRange(selectionStart, selectionEnd)
    }

    ChangeDirection = function() {
        if (z.dir == "rtl") {
            z.dir = "ltr";
            z.align = "left";
            z.Direlm.value = "LTR";
            z.Direlm.title = "Change direction: Right to Left"
        } else {
            z.dir = "rtl";
            z.align = "right";
            z.Direlm.value = "RTL";
            z.Direlm.title = "Change direction: Left to Right"
        }
        z.style.textAlign = z.align;
        z.style.direction = z.dir;
        z.focus();
    }

    ChangeLang = function(e, ze) {
        if(ze)
            z = ze;

        if (FarsiType.Type) {
            if (z.farsi) {
                z.farsi = false;
                if (FarsiType.ShowChangeLangButton == 1) { 
                    z.bottelm.value = "EN";
                    z.bottelm.title = 'Change lang to persian';
                }
                if (FarsiType.ChangeDir == 1) {
                    z.style.textAlign = "left";
                    z.style.direction = "ltr";
                }
            } else {
                z.farsi = true;
                if (FarsiType.ShowChangeLangButton == 1) { 
                    z.bottelm.value = "FA";
                    z.bottelm.title = 'Change lang to english';
                }
                if (FarsiType.ChangeDir == 1) {
                    z.style.textAlign = "right";
                    z.style.direction = "rtl";
                }
            }
            z.focus();
        }
        
        if (e.preventDefault) e.preventDefault();
        e.returnValue = false;
        return false;
    }

    Convert = function(e) {

        if (e == null)
            e = window.event;

        var key = e.which || e.charCode || e.keyCode;
        var eElement = e.target || e.originalTarget || e.srcElement;

        if (e.ctrlKey && key == 32) {
            ChangeLang(e, z);
        }

        if (FarsiType.Type) {
            if (
                (e.charCode != null && e.charCode != key) ||
                (e.which != null && e.which != key) ||
                (e.ctrlKey || e.altKey || e.metaKey) ||
                (key == 13 || key == 27 || key == 8)
            ) return true;

            //check windows lang
            if (key > 128) {
                if (FarsiType.KeyBoardError == 0) {
                    FarsiType.Disable();
                } else {
                    alert("لطفا زبان سیستم را تغییر ندهید و زبان ویندوز را روی انگلیسی تنظیم کنید.");
                    return false;
                }
            }

            // If Farsi
            if (FarsiType.Type && z.farsi) {

                //check CpasLock
                if ((key >= 65 && key <= 90&& !e.shiftKey) || (key >= 97 && key <= 122 ) && e.shiftKey) {
                    alert("دکمه کپس لاک روشن هست، لطفا برای عدم ایجاد مشکلات تایپی آنرا خاموش نمایید.");
                    return false;
                }

                // Shift-space -> ZWNJ
                if (key == 32 && e.shiftKey)
                    key = 8204;
                else
                    key = FarsiType.farsiKey[key-32];

                key = typeof key == 'string' ? key : String.fromCharCode(key);

                // to farsi
                try {
                
                    var docSelection = document.selection;
                    var selectionStart = eElement.selectionStart;
                    var selectionEnd = eElement.selectionEnd;

                    if (typeof selectionStart == 'number') { 
                        //FOR W3C STANDARD BROWSERS
                        var nScrollTop = eElement.scrollTop;
                        var nScrollLeft = eElement.scrollLeft;
                        var nScrollWidth = eElement.scrollWidth;
    
                        eElement.value = eElement.value.substring(0, selectionStart) + key + eElement.value.substring(selectionEnd);
                        setSelectionRange(eElement, selectionStart + key.length, selectionStart + key.length);
        
                        var nW = eElement.scrollWidth - nScrollWidth;
                        if (eElement.scrollTop == 0) { eElement.scrollTop = nScrollTop }
                    } else if (docSelection) {
                        var nRange = docSelection.createRange();
                        nRange.text = key;
                        nRange.setEndPoint('StartToEnd', nRange);
                        nRange.select();
                    }
    
                } catch(error) {
                    try {
                        // IE
                        e.keyCode = key
                    } catch(error) {
                        try {
                            // OLD GECKO
                            e.initKeyEvent("keypress", true, true, document.defaultView, false, false, true, false, 0, key, eElement);
                        } catch(error) {
                            //OTHERWISE
                            if (FarsiType.UnSupportedAction == 0) {
                                alert('Sorry! no FarsiType support')
                                FarsiType.Disable();
                                var Dis = document.getElementById('disableFarsiType')
                                if (Dis != null) {
                                    Dis.disabled = true;
                                }
                                return false;
                            } else {
                                eElement.value += key;                    
                            }
                        }
                    }
                }

                if (e.preventDefault)
                    e.preventDefault();
                e.returnValue = false;
            }
        }
        return true;
    }

    if (FarsiType.ShowChangeLangButton == 1) { z.bottelm.onmouseup = ChangeLang; }
    if (FarsiType.ChangeDir == 2) { z.Direlm.onmouseup = ChangeDirection; }
    z.onkeypress = Convert;
}

if (window.attachEvent) {
    window.attachEvent('onload', FarsiType.init)
} else if (window.addEventListener) {
    window.addEventListener('load', FarsiType.init, false)
}