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what's wrong?


Matevsz

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login, password = LoginFromXML() 
  
if not (login == "" or password == "") then 
        guiCheckBoxGetSelected(save_account, true) 
        guiSetText(edit_login, tostring(login)) 
        guiSetText(edit_haslo, tostring(password)) 
    else 
        guiCheckBoxGetSelected(save_account, false) 
        guiSetText(edit_login, tostring(login)) 
        guiSetText(edit_haslo, tostring(password)) 
    end 
    end 
  
function LoginFromXML() 
        local xml_save_log_File = xmlLoadFile ("files/xml/userdata.xml") 
        if not xml_save_log_File then 
            xml_save_log_File = xmlCreateFile("files/xml/userdata.xml", "login") 
        end 
        local usernameNode = xmlFindChild (xml_save_log_File, "login", 0) 
        local passwordNode = xmlFindChild (xml_save_log_File, "password", 0) 
        if usernameNode and passwordNode then 
            return xmlNodeGetValue(usernameNode), xmlNodeGetValue(passwordNode) 
        else 
            return "", "" 
        end 
        xmlUnloadFile ( xml_save_log_File ) 
    end 
  

DB3: attempt to call global 'LoginFromXML a nil value

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function LoginFromXML() 
    local xml_save_log_File = xmlLoadFile ("files/xml/userdata.xml") 
    if not xml_save_log_File then 
        xml_save_log_File = xmlCreateFile("files/xml/userdata.xml", "login") 
    end 
    local usernameNode = xmlFindChild (xml_save_log_File, "login", 0) 
    local passwordNode = xmlFindChild (xml_save_log_File, "password", 0) 
    if usernameNode and passwordNode then 
        return xmlNodeGetValue(usernameNode), xmlNodeGetValue(passwordNode) 
    else 
        return "", "" 
    end 
    xmlUnloadFile ( xml_save_log_File ) 
end 
  
  
  
login, password = LoginFromXML() 
  
if not (login == "" or password == "") then 
    guiCheckBoxGetSelected(save_account, true) 
    guiSetText(edit_login, tostring(login)) 
    guiSetText(edit_haslo, tostring(password)) 
else 
    guiCheckBoxGetSelected(save_account, false) 
    guiSetText(edit_login, tostring(login)) 
    guiSetText(edit_haslo, tostring(password)) 
end 
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and how to make checking the field username and password field are not empty?

  
editLogin = guiCreateEdit(1246, 417, 237, 34, "", false) 
editPassword = guiCreateEdit(1246, 468, 237, 34, "", false) 
guiEditSetMasked(editPassword, true) 
  

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Help :(

0 Errors and 0 errors in db3

Client:

  
wdwLogin_Pannel = {}
 
function OpenLoginPanel()
if not (isElement(wdwLogin_Pannel)) then
    showChat(false)
    showCursor(true)
 
    x,y = guiGetScreenSize()
    local sWidth, sHeight = guiGetScreenSize()
    local Width, Height = 1680, 1050
    local X = (sWidth/2) - (Width/2)
    local Y = (sHeight/2) - (Height/2)
 
    --login
 
    tlo = guiCreateStaticImage(0, 0, 1680, 1050, "Zdjecia/background.jpg", false)
    guiSetEnabled(tlo, false)
 
    errorLogin = guiCreateLabel(1187, 550, 475, 15, "", false)
    guiLabelSetColor(errorLogin, 227, 0, 0)
 
    zapamietajKonto = guiCreateCheckBox(1246, 516, 199, 16, "Zapamiętaj konto", true, false)
    guiCheckBoxSetSelected(zapamietajKonto, false)
 
    polelogin = guiCreateEdit(1246, 417, 237, 34, "", false)
 
    gridlist = guiCreateGridList(24, 83, 93, 113, false, polelogin)
 
    polehaslo = guiCreateEdit(1246, 468, 237, 34, "", false)
    guiEditSetMasked(polehaslo, true)
 
    zdj = guiCreateStaticImage(1195, 419, 33, 32, "Zdjecia/person.png", false)
 
    zdj2 = guiCreateStaticImage(1194, 468, 34, 34, "Zdjecia/password.png", false)
 
    zdj3 = guiCreateStaticImage(1501, 407, 106, 51, "Zdjecia/login.png", false)
   
 
    zdj4 = guiCreateStaticImage(1501, 458, 108, 54, "Zdjecia/register.png", false)
   
    --rejestracja
 
    tloReje = guiCreateStaticImage(0, 0, 1680, 1050, "Zdjecia/background2.jpg", false)
    guiSetVisible(tloReje, false)
    guiSetEnabled(tloReje, false)
 
    errorReje = guiCreateLabel(1200, 571, 460, 15, "", false)
    guiLabelSetColor(errorReje, 227, 0, 0)
    guiSetVisible(errorReje, false)
 
    poleLoginReje = guiCreateEdit(1246, 417, 237, 34, "", false)
    guiSetVisible(poleLoginReje, false)
 
    gridlistReje = guiCreateGridList(24, 83, 93, 113, false, poleLoginReje)
    guiSetVisible(gridlistReje, false)
 
    poleHasloReje = guiCreateEdit(1246, 468, 237, 34, "", false)
    guiEditSetMasked(poleHasloReje, true)
    guiSetVisible(poleHasloReje, false)
 
    poleHasloReje2 = guiCreateEdit(1246, 517, 237, 34, "", false)
    guiEditSetMasked(poleHasloReje2, true)
    guiSetVisible(poleHasloReje2, false)
 
    zdjReje = guiCreateStaticImage(1195, 419, 33, 32, "Zdjecia/person.png", false)
    guiSetVisible(zdjReje, false)
 
    zdjReje2 = guiCreateStaticImage(1194, 468, 34, 34, "Zdjecia/password.png", false)
    guiSetVisible(zdjReje2, false)
 
    zdjReje3 = guiCreateStaticImage(1194, 517, 34, 34, "Zdjecia/password.png", false)
    guiSetVisible(zdjReje3, false)
 
    zdjReje4 = guiCreateStaticImage(1499, 406, 115, 55, "Zdjecia/konto.png", false)
    guiSetVisible(zdjReje4, false)
   
 
    zdjReje5 = guiCreateStaticImage(1496, 467, 118, 54, "Zdjecia/sh.png", false)
    guiSetVisible(zdjReje5, false)
   
 
    guiSetText(errorLogin, "")
    guiSetText(errorReje, "")
 
    function LoginFromXML()
        local xml_save_log_File = xmlLoadFile ("files/xml/userdata.xml")
        if not xml_save_log_File then
            xml_save_log_File = xmlCreateFile("files/xml/userdata.xml", "login")
        end
        local usernameNode = xmlFindChild (xml_save_log_File, "login", 0)
        local passwordNode = xmlFindChild (xml_save_log_File, "haslo", 0)
        if usernameNode and passwordNode then
            return xmlNodeGetValue(usernameNode), xmlNodeGetValue(passwordNode)
        else
            return "", ""
        end
        xmlUnloadFile ( xml_save_log_File )
    end
 
    login, haslo = LoginFromXML()
 
 
    if not (login == "" or haslo == "") then
        guiCheckBoxGetSelected(zapamietajKonto, true)
        guiSetText(polelogin, tostring(login))
        guiSetText(polehaslo, tostring(haslo))
    else
        guiCheckBoxGetSelected(zapamietajKonto, false)
        guiSetText(polelogin, tostring(login))
        guiSetText(polehaslo, tostring(haslo))
    end
    end
 
    function PokazReje()
        guiSetVisible(tlo, false)
        guiSetVisible(errorLogin, false)
        guiSetVisible(zapamietajKonto, false)
        guiSetVisible(polelogin, false)
        guiSetVisible(gridlist, false)
        guiSetVisible(polehaslo, false)
        guiSetVisible(zdj, false)
        guiSetVisible(zdj2, false)
        guiSetVisible(zdj3, false)
        guiSetVisible(zdj4, false)
            guiSetVisible(tloReje, true)
            guiSetVisible(errorReje, true)
            guiSetVisible(poleLoginReje, true)
            guiSetVisible(gridlistReje, true)
            guiSetVisible(poleHasloReje, true)
            guiSetVisible(poleHasloReje2, true)
            guiSetVisible(zdjReje, true)
            guiSetVisible(zdjReje2, true)
            guiSetVisible(zdjReje3, true)
            guiSetVisible(zdjReje4, true)
            guiSetVisible(zdjReje5, true)
    end
    addEventHandler("onClientGUIClick", zdj4, PokazReje)
 
    function Wroc()
        guiSetVisible(tlo, true)
        guiSetVisible(errorLogin, true)
        guiSetVisible(zapamietajKonto, true)
        guiSetVisible(polelogin, true)
        guiSetVisible(gridlist, true)
        guiSetVisible(polehaslo, true)
        guiSetVisible(zdj, true)
        guiSetVisible(zdj2, true)
        guiSetVisible(zdj3, true)
        guiSetVisible(zdj4, true)
            guiSetVisible(tloReje, false)
            guiSetVisible(errorReje, false)
            guiSetVisible(poleLoginReje, false)
            guiSetVisible(gridlistReje, false)
            guiSetVisible(poleHasloReje, false)
            guiSetVisible(poleHasloReje2, false)
            guiSetVisible(zdjReje, false)
            guiSetVisible(zdjReje2, false)
            guiSetVisible(zdjReje3, false)
            guiSetVisible(zdjReje4, false)
            guiSetVisible(zdjReje5, false)
    end
    addEventHandler("onClientGUIClick", zdjReje5, Wroc)
 
 
    function Zaloguj(button,state)
        showCursor(false)
        showChat(true)
            guiSetVisible(tlo, false)
            guiSetVisible(errorLogin, false)
            guiSetVisible(zapamietajKonto, false)
            guiSetVisible(polelogin, false)
            guiSetVisible(gridlist, false)
            guiSetVisible(polehaslo, false)
            guiSetVisible(zdj, false)
            guiSetVisible(zdj2, false)
            guiSetVisible(zdj3, false)
            guiSetVisible(zdj4, false)
        if (button == "left" and state == "up") then
            if guiGetText(polelogin) ~= "" and guiGetText(polehaslo) ~= "" then
                if (source == zdjReje5) then
                    login = guiGetText(polelogin)
                    haslo = guiGetText(polehaslo)
                        if guiCheckBoxGetSelected(zapamietajKonto) == true then
                        checksave = true
                        else
                            checksave = false
                        end
                    triggerServerEvent("onRequestLogin", getLocalPlayer(), login, haslo, checksave)
            end end
        end
    end
    addEventHandler("onClientGUIClick", zdj3, Zaloguj)
 
    function StworzKonto(button,state)
        login = guiGetText(poleLoginReje)
        haslo = guiGetText(poleHasloReje)
        potwierdzHaslo = guiGetText(poleHasloReje2)
        triggerServerEvent("onRequestLogin", getLocalPlayer(), login, haslo, potwierdzHaslo)
        guiSetText(errorReje, "Konto stworzone pomyślnie. Możesz się zalogować.")
        setTimer(function() guiSetText(errorReje, "") end,3000,1)
        setTimer(function() guiSetText(errorReje, "") end,3000,1)
    end
    addEventHandler("onClientGUIClick", zdjReje4, StworzKonto)
 
    function Errory(Tab, Text)
        if Tab == "Login" then
            guiSetVisible(tlo, true)
            guiSetVisible(errorLogin, true)
            guiSetVisible(zapamietajKonto, true)
            guiSetVisible(polelogin, true)
            guiSetVisible(gridlist, true)
            guiSetVisible(polehaslo, true)
            guiSetVisible(zdj, true)
            guiSetVisible(zdj2, true)
            guiSetVisible(zdj3, true)
            guiSetVisible(zdj4, true)
 
            guiSetText(errorLogin, tostring(Text))
            setTimer(function() guiSetText(errorLogin, "") end,3000,1)
        elseif Tab == "Haslo" then
            guiSetText(errorReje, tostring(Text))
            setTimer(function() guiSetText(errorReje, "") end,3000,1)
        end
    end
    addEvent("RozneErrory", true)
    addEventHandler("RozneErrory", getRootElement(), Errory)
 
 
 
    function saveLoginToXML(login, haslo)
        local xml_save_log_File = xmlLoadFile ("files/xml/userdata.xml")
        if not xml_save_log_File then
            xml_save_log_File = xmlCreateFile("files/xml/userdata.xml", "login")
        end
        if (login ~= "") then
            local usernameNode = xmlFindChild (xml_save_log_File, "login", 0)
            if not usernameNode then
                usernameNode = xmlCreateChild(xml_save_log_File, "login")
            end
            xmlNodeSetValue (usernameNode, tostring(login))
        end
        if (haslo ~= "") then
            local passwordNode = xmlFindChild (xml_save_log_File, "haslo", 0)
            if not passwordNode then
                passwordNode = xmlCreateChild(xml_save_log_File, "haslo")
            end    
            xmlNodeSetValue (passwordNode, tostring(haslo))
        end
       
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