--[[**********************************

*

*	Multi Theft Auto - Admin Panel

*

*	client/admin_gui.lua

*

*	Original File by lil_Toady

*

**************************************]]

_guiprotected = {}



function guiCreateHeader(x, y, w, h, text, relative, parent)

    local header = guiCreateLabel(x, y, w, h, text, relative, parent)

    if (header) then

        guiLabelSetColor(header, 255, 0, 0)

        guiSetFont(header, "default-bold-small")

        return header

    end

    return false

end



function guiCreateInnerImage(image, parent, above)

    local sx, sy = guiGetSize(parent, false)

    local img = nil

    if (above) then

        img = guiCreateStaticImage(0, 0, 0, 0, image, false, getElementParent(parent))

        local px, py = guiGetPosition(parent, false)

        guiSetPosition(img, px + sx - sy, py, false)

    else

        img = guiCreateStaticImage(0, 0, 0, 0, image, false, parent)

        guiSetPosition(img, sx - sy, 0, false)

    end

    guiSetSize(img, sy, sy, false)

    return img

end



local _guiCreateWindow = guiCreateWindow

function guiCreateWindow(...)

    local window = _guiCreateWindow(...)

    if (window) then

        guiWindowSetSizable(window, false)

        return window

    end

    return nil

end



local _guiCreateTab = guiCreateTab

function guiCreateTab(name, parent, right)

    local tab = _guiCreateTab(name, parent)

    if (tab) then

        if (right) then

            right = "general.tab_" .. right

            if (not hasPermissionTo(right)) then

                guiSetEnabled(tab, false)

                _guiprotected[right] = tab

            end

        end

        return tab

    end

    return false

end



local _guiCreateButton = guiCreateButton

function guiCreateButton(x, y, w, h, text, relative, parent, right)

    local button = _guiCreateButton(x, y, w, h, text, relative, parent)

    if (button) then

        if (right) then

            right = "command." .. right

            if (not hasPermissionTo(right)) then

                guiSetEnabled(button, false)

                _guiprotected[right] = button

            end

        end

        guiSetFont(button, "default-bold-small")

        return button

    end

    return false

end



local _guiCreateCheckBox = guiCreateCheckBox

function guiCreateCheckBox(x, y, w, h, text, checked, relative, parent, right)

    local check = _guiCreateCheckBox(x, y, w, h, text, checked, relative, parent)

    if (check) then

        if (right) then

            right = "command." .. right

            if (not hasPermissionTo(right)) then

                guiSetEnabled(check, false)

                _guiprotected[right] = check

            end

        end

        return check

    end

    return false

end



local guiColorPickers = {}

function guiCreateColorPicker(x, y, w, h, r, g, b, relative, parent)

    local mask = guiCreateLabel(x, y, w, h, "", relative, parent)

    guiLabelSetHorizontalAlign(mask, "left", true)

    guiColorPickers[mask] = {r = r or 255, g = g or 0, b = b or 0}

    addEventHandler(

        "onClientGUIClick",

        mask,

        function(key, state)

            local info = guiColorPickers[source]

            if (key == "left" and state == "up" and info) then

                local x, y = guiGetAbsolutePosition(mask)

                local sx, sy = guiGetSize(mask, false)

                info.picking = true

                info.r, info.g, info.b = aColor.Open(x + sx, y - 5, info.r, info.g, info.b)

                info.picking = nil

            end

        end

    )

    addEventHandler(

        "onClientElementDestroy",

        mask,

        function()

            guiColorPickers[source] = nil

        end

    )

end



addEventHandler(

    "onClientRender",

    getRootElement(),

    function()

        if (isConsoleActive()) then

            return

        end

        for mask, info in pairs(guiColorPickers) do

            if (guiGetVisible(mask)) then

                if (info.picking) then

                    info.r, info.g, info.b = aColor.Color.r, aColor.Color.g, aColor.Color.b

                end

                local x, y = guiGetAbsolutePosition(mask)

                local sx, sy = guiGetSize(mask, false)

                dxDrawLine(x, y + sy / 2, x + sx, y + sy / 2, tocolor(info.r, info.g, info.b, 255), sy, true)

            end

        end

    end

)



local guiBlendTable = {}

function guiBlendElement(element, alpha, hide)

    local increment = (alpha - guiGetAlpha(element)) * 10

    guiBlendTable[element] = {inc = increment, hide = hide, target = alpha}

end



addEventHandler(

    "onClientRender",

    root,

    function()

        for element, v in pairs(guiBlendTable) do

            local a = guiGetAlpha(element) + v.inc / 40

            if (v.inc < 0 and a <= v.target) then

                a = v.target

                if (v.hide) then

                    guiSetVisible(element, false)

                end

                guiBlendTable[element] = nil

            elseif (v.inc > 0 and a >= v.target) then

                a = v.target

                guiBlendTable[element] = nil

            end

            guiSetAlpha(element, a)

        end

    end

)



function guiCreateContextMenu(element)

    local menu = guiCreateStaticImage(0, 0, 100, 0, "client/images/black.png", false)

    guiSetVisible(menu, false)

    if (element) then

        guiSetContextMenu(element, menu)

    end

    return menu

end



function guiSetContextMenu(element, menu)

    addEventHandler(

        "onClientGUIClick",

        element,

        function(button)

            contextSource = source

            if (getElementType(source) == "gui-gridlist" and guiGridListGetSelectedItem(source) == -1) then

                return

            end

            if (button == "right") then

                local sx, sy = guiGetScreenSize()

                local x, y = getCursorPosition()

                x, y = sx * x, sy * y

                guiSetPosition(menu, x, y, false)

                guiSetVisible(menu, true)

                guiBringToFront(menu)



                setTimer(

                    function()

                        addEventHandler(

                            "onClientClick",

                            getRootElement(),

                            function(button, state, x, y)

                                local sx, sy = guiGetSize(menu, false)

                                local px, py = guiGetPosition(menu, false)

                                if (x < px or x > px + sx) or (y < py or y > py + sy) then

                                    guiSetVisible(menu, false)

                                    removeEventHandler("onClientClick", getRootElement(), debug.getinfo(1, "f").func)

                                end

                            end

                        )

                    end,

                    50,

                    1

                )

            end

        end,

        false

    )

    addEventHandler(

        "onClientGUIClick",

        menu,

        function(button)

            guiSetVisible(menu, false)

        end

    )

end



function guiContextMenuAddItem(element, text)

    local height = 16

    local sx, sy = guiGetSize(element, false)

    local n = #getElementChildren(element)

    local bg = guiCreateStaticImage(1, n * height + 1, 0, height, "client/images/black.png", false, element)

    local item = guiCreateLabel(0, 0, 0, height, "  " .. text .. "  ", false, bg)

    local extent = guiLabelGetTextExtent(item)

    local width = guiGetSize(element, false) - 2

    if (extent > width) then

        width = extent

    end

    guiSetSize(element, width + 2, (n + 1) * height + 2, false)

    guiSetSize(bg, width, height, false)

    guiSetSize(item, width, height, false)



    addEventHandler(

        "onClientMouseEnter",

        item,

        function()

            guiStaticImageLoadImage(getElementParent(source), "client/images/blue.png")

        end,

        false

    )

    addEventHandler(

        "onClientMouseLeave",

        item,

        function()

            guiStaticImageLoadImage(getElementParent(source), "client/images/black.png")

        end,

        false

    )

    return item

end



function guiCreateToolTip(element)

end



function guiGetAbsolutePosition(element)

    local x, y = guiGetPosition(element, false)

    local parent = getElementParent(element)

    while (parent ~= getResourceGUIElement()) do

        local px, py = guiGetPosition(parent, false)

        x = x + px

        y = y + py

        parent = getElementParent(parent)

    end

    return x, y

end



function guiHandleInput(element)

    addEventHandler(

        "onClientGUIFocus",

        element,

        function()

            guiSetInputEnabled(true)

        end,

        false

    )

    addEventHandler(

        "onClientGUIBlur",

        element,

        function()

            guiSetInputEnabled(false)

        end,

        false

    )

end