////////////////////////////////////////////////////////////////////////////////////
//
//    File Description        : Login javascript file that contain function to initialize virtual keyboard
//                              and enable/disable it                     
// ---------------------------------------------------------------------------------
//    Date Created            : Jan 15, 2009)
//    Author                  : Abhishek K 
// ---------------------------------------------------------------------------------
//    Change History
//    Date Modified           :    
//    Changed By              : 
//    Change Description      : 
//
////////////////////////////////////////////////////////////////////////////////////

var MainWindow;
var keyboardImgUrl = '';
//SETTING UP OUR POPUP
//0 means disabled; 1 means enabled;
var popupStatus = 0;
var secretAnsLen; 
//disabling popup with jQuery magic!
function disablePopup()
{
    //disables popup only if it is enabled
    if(popupStatus==1)
    {
        $('#dvbackgroundPopup').fadeOut("slow");
        $('#dvpopupContact').fadeOut("slow");
        popupStatus = 0;
    }
}
 
// function to enable/disable keyboard input on textbox   
function CheckKBStatus()
{
  try
  {
        // if use virtual keyboard checkbox is checked, block input from normal keyboard
        if(chkVkb.checked == true)
        {
            VKEnabled();
            txtBox.readOnly = true;
            txtBox.blur();
        }
        else
        {
            VKDisabled();
            txtBox.readOnly = false;
            //txtBox.blur();
        }
   }catch(e)
    {alert(e)}
}   
var vkb = null, txtBox; var chkVkb 

// Virtual keyboard constructor that takes the textbox to bind and checkbox
function init(txtpwd, chkVk,length)
{
    chkVkb =  chkVk;
    VKDisabled();
    vkb = new VKeyboard("keyboard",    // container's id
                       keyb_callback, // reference to the callback function
                       false,          // create the arrow keys or not? (this and the following params are optional)
                       true,          // create up and down arrow keys? 
                       false,         // reserved
                       false,          // create the numpad or not?
                       CONST_VK_FONT,                   // font name ("" == system default)
                       CONST_VK_FONT_SIZE,              // font size in px
                       CONST_VK_FONT_COLOR,             // font color
                       CONST_VK_DEAD_FONT_COLOR,        // font color for the dead keys
                       CONST_VK_BASE_BGCOLOR,           // keyboard base background color
                       CONST_VK_KEY_BGCOLOR,            // keys' background color
                       CONST_VK_KEY_SELECTED_BGCOLOR,   // background color of switched/selected item
                       CONST_VK_BORDER_COLOR,           // border color
                       CONST_VK_INACTIVE_KEY_COLOR,     // border/font color of "inactive" key (key with no value/disabled)
                       CONST_VK_INACTIVE_KEY_BGCOLOR,   // background color of "inactive" key (key with no value/disabled)
                       "#F77",        // border color of the language selector's cell
                       true,          // show key flash on click? (false by default)
                       CONST_VK_FLASH_FONT_COLOR,       // font color during flash
                       CONST_VK_FLASH_KEY_BGCOLOR,      // key background color during flash
                       CONST_VK_FLASH_BORDER_COLOR,     // key border color during flash
                       true,         // embed VKeyboard into the page?
                       CONST_VK_GAP,                    // true for gap between the keys else false
                       0,           // index(0-based) of the initial layout
                       "url("+keyboardImgUrl+")", // bacground image for the keyboard 
                        chkVk,                          // to know the status of virtual keyboard
                        CONST_VK_GAP_PX);               // if gap between the keys is true then pixels for gap
                       
                       secretAnsLen = length;
                       txtBox = txtpwd;
}

// Callback function called from virtual keyboard:
function keyb_callback(ch)
{
    // If use virtual keyboard chechbox is not checked then return without doing anything
    if(!chkVkb.checked)
    {
        return;
    }
    if(ch == '"' || ch == '|')
        return;
    var val = txtBox.value;
    switch(ch)
    {
       case "BackSpace":
         var min = (val.charCodeAt(val.length - 1) == 10) ? 2 : 1;
         txtBox.value = val.substr(0, val.length - min);
         break;

       case "Enter":
         //txtBox.value += "\n";
         Submit();
         break;

       default:
       if(txtBox.value.length < secretAnsLen)
            txtBox.value += ch;
     }
}

// Function to validate keypress event 
function ValidatKeyPress(e, validationType, allowDecimal)
    {
        var IsValid = false; 
        try
        {
            // if Validation Type is numeric type
            if(validationType == C_V_NUMERIC)
            {
                if(Text_NumKeyPress(e))
                {
                    if(GetKeyCode(e) == 13)
                    {
                        Submit();
                    }
                    IsValid = true;
                }
                if(document.all)
                {}
                else
                {
                    if(GetKeyCode(e) < 32)
                    {
                        return true;    
                    }
                }
                // if allowDecimal is true and key pressed is '.'
                if(allowDecimal && GetKeyCode(e) == 46)
                    IsValid = true;
            }
            // if Validation Type is alphanumeric type
            else if(validationType == C_V_ALPHANUM)
            {
                // check whether the key pressed is alphanumeric or not 
                if(Text_NumAlphaKeyPress(e))                                                
                {   
                    // if enter key is pressed, submit the form
                    if(GetKeyCode(e) == 13)
                    {
                        Submit();
                    }
                    else
                    {
                        // if key pressed is '&' or '-'
                        if(GetKeyCode(e) == 38 || GetKeyCode(e) == 45)
                        {
                            IsValid = false;
                        }
                        else
                            IsValid = true;
                    }
                }
            }
        }
        catch(e)
        {
            alert(e.message);
        }
        return IsValid;
    }
    
    // function to submit the form
    function Submit()
    {
        try
        {
            document.getElementById('btnLogon').click();  
        }
        catch(e) { alert(e.message); }
    }
    
    // This function is for Forgot Password 'Enter Key' functionality ...
    function ValidateKeyPressForgotPwd(e)
    {
        try
        {
            if(GetKeyCode(e) == 13)
                document.getElementById('btnSubmit').click();              
        }
        catch(e)
        {
            alert(e.message);
        }
    }
    
    function ClearForm()
    {
        try
        {
            document.getElementById('txtClientID').value = "";
            if(document.getElementById('txtGroupID'))
                document.getElementById('txtGroupID').value = "";
            document.getElementById('txtPassword').value = "";
            document.getElementById('txtPassword').readOnly = false;
            document.getElementById('lblLogonMsg').innerHTML = "";
            
            $(document.getElementById('LoginValidationSummary')).text("");  
            
            if(document.getElementById('chkUseVK'))
                document.getElementById('chkUseVK').checked = false;
            document.getElementById('chkRememberMyId').checked = false;
            if(document.getElementById('hidDefaultLoginMode'))
            {
                if(document.getElementById('hidDefaultLoginMode').value == '0')
                    document.getElementById('rRefresh').checked = true;
                else
                    document.getElementById('rStream').checked = true;
            }
            if(document.getElementById('chkUseProxy').checked = true)
            {
                document.getElementById('txtProxyIP').value = "";
                document.getElementById('txtProxyPort').value = "";
                document.getElementById('txtProxyUid').value = "";
                document.getElementById('txtProxyPwd').value = "";
                document.getElementById('chkUseProxy').checked = false;
                document.getElementById('chkRememberProxy').checked = false;
               // document.getElementById('divProxy').style.display='none';
               
               if(document.getElementById('divMemberId') != null)
               {
                 document.getElementById('txtGroupID').focus();
               }
               else
               {
                 document.getElementById('txtClientID').focus();
               }
            }
            return false;
        }
        catch(e) {alert(e.message); }
    }
    
    function OpenMainWindow()
    {
        MainWindow = window.open('" + Constants.LOGIN_NAVIGATION_URL + "','hMain" + FT.SessionManager.GetLoggedinUser.UserCode + "','maximize=no,toolbar=no,menubar=no,left=0,top=0,status=yes,width=1020px ,height=720px,scrollbars=yes'); 
        MainWindow.opener=top;
        window.close();
    }

    // function to check whether the key pressed is a valid password character
    // < > ' , . _ : ; these special characters are allowed for password
    function CheckPwdChars(eve)
    {
        try
        {
            // If use virtual keyboard chechbox is checked then return without doing anything
            if(chkVkb)
            {
                if(chkVkb.checked == true)
                {
                    return false;
                }
            }
            
            var eveKeyCode = GetKeyCode(eve);
            if (eveKeyCode == 13)
            {   
                Submit();       
            }
            if(eveKeyCode == 8)
                return true;
            if(document.all)
            {}
            else
            {
                if(GetKeyCode(e) < 32)
                {
                    return true;    
                }
            }
            if(!(eveKeyCode >= 48 && eveKeyCode <= 57) && !(eveKeyCode >= 97 && eveKeyCode <= 122)&& !(eveKeyCode >= 65 && eveKeyCode <= 90))
            {   		
                if((eveKeyCode >= 58 && eveKeyCode <= 60) || eveKeyCode == 62 || eveKeyCode == 39
                    || eveKeyCode == 44 || eveKeyCode == 46 || eveKeyCode == 95 )
                    return true;	
                return false;
            }
            return true;
        }
        catch(e)
        {
//          alert('CheckPwdChars' + e.message);
        }        
    }

    function checkJavascriptValidity()
    {
        document.getElementById(C_S_LOGIN_JSENBL_ID).style.display='block';
        document.getElementById(C_S_LOGIN_JSDEBL_ID).style.display='none';
        document.getElementById(C_S_LOGIN_BUTTONS_ID).style.display='block';
        document.getElementById(C_S_LOGIN_USRGUIDE_ID).style.display='block';
        if(document.getElementById('divLogin').style.display == 'block' || document.getElementById('divLogin').style.display == '')
        {
            if(document.getElementById('txtGroupID'))
                document.getElementById('txtGroupID').focus();
            else
                document.getElementById('txtClientID').focus();
        }
    }
    
    //the function close current login page with disabled login div and opens a new login page 
    function DisplayLoginDiv()
    {   
        OpenWindow(LOGIN_URL, "");
    }
    
    function ClearMsg()
    {
        if(document.getElementById('lblLogonMsg') != null)
        {
            document.getElementById('lblLogonMsg').innerHTML = "";
        }
    }
    //to check for poup blocker
    function isPopUpBlocked()
    {
        var retVal = false;
        if(C_S_POPUPCHECK == 'Y')
        {
            var popUpHandle = window.open('', '', "maximize=no, toolbar=no, menubar=no, left=0, top=0, status=no , width=1px, height=1px,scrollbars=no");
            if(popUpHandle)
            {
                popUpHandle.close();
            }
            else
            {
                retVal = true;
            }
            popUpHandle = null;
        }
        return retVal;
    }
    
    //show jquery alert for PopUpBlocker
    function showDisablePopUpBlockMsg()
    {
        if(isPopUpBlocked())
        {
            showModalPopup('Login', 'Please disable PopUp Blocker to proceed', null);
        }
    }  
    
    function ShowProxyFields()
    {
        try
        {
            if(document.getElementById('chkUseProxy').checked)
            {
                document.getElementById('divProxy').style.display='block';
                //document.getElementById('rfvProxyIP').disabled = false;
                //document.getElementById('rfvProxyPort').disabled = false;
                document.getElementById('revProxyPort').disabled = false;
                document.getElementById('txtProxyIP').focus();
            }
            else
            {
                document.getElementById('divProxy').style.display='none';                            
                //document.getElementById('rfvProxyIP').disabled = true;
                //document.getElementById('rfvProxyPort').disabled = true;
                document.getElementById('revProxyPort').disabled = true;
            }
        }
        catch(e)
        {alert('ShowProxyFields' + e);}
    }
    
    function ShowSyncFields()
    {
        try
        {   
            if(document.getElementById('divSync').style.display == 'none')
            {
               document.getElementById('divSync').style.display = 'block'
            }
            else
            {
               document.getElementById('divSync').style.display = 'none'
            }
            return false;
        }
        catch(e)
        {
            return false;
        }
    }
    
    function OpenLoginFAQ()
    {
        try
        {   
	        window.open(LOGINFAQ_URL, '', "maximize=no, toolbar=no, menubar=no, left=0, top=0, status=yes , width=1000px, height=600px, scrollbars=yes");
        }
        catch(e)
        {}
    }
     function OpenLoginJRE()
    {
      try
        {   
	        window.open(JRE_URL, '', "maximize=no, toolbar=no, menubar=no, left=0, top=0, status=yes , width=1000px, height=600px, scrollbars=yes");
        }
        catch(e)
        {}
    }
    
 
    function ValidateFields()
    {   
        try
        {
            // if it is Authentication request
            if(document.getElementById('divSync').style.display == 'none')
            {
                document.getElementById('hidAction').value = '0';
                if(document.getElementById('txtOtp1').value == '')
                {
                    document.getElementById('lblAuth').innerHTML = OTP1_MSG;
                    return false;
                }
                return true;
            }
            // if its synchronization request
            if(document.getElementById('divSync').style.display == 'block')
            {
                document.getElementById('hidAction').value = '1';
                if(document.getElementById('txtOtp1').value == '')
                {
                    document.getElementById('lblAuth').innerHTML = OTP1_MSG;
                    return false;
                }
                if(document.getElementById('txtOtp2').value == '')
                {
                    document.getElementById('lblAuth').innerHTML = OTP2_MSG;
                    return false;
                }
                return true;
            }
        }
        catch(e)
        {}
    }
    
function VKDisabled()
{
$(document.getElementById('keyboard')).fadeTo("slow",0.25);
}

function VKEnabled()
{
$(document.getElementById('keyboard')).fadeTo("slow",1);
}