notifications.lua

os.loadAPI("graphics.lua")

notifications = {}
drawingNotifications = false

function createNotification(text, bkgColor, txtColor)
    notification = graphics.label:new()
    notification.text = text
    length = string.len(text)
    local w, h = term.getSize()
    notification.x = (w / 2) - (length / 2) + 1
    notification.y = 1
    notification.bkgColor = bkgColor
    notification.tColor = txtColor
    return notification
end

function addNotification(name, timer, text, bkgColor, txtColor)
    found = false
    for k,v in pairs(notifications) do
        if v["name"] == name then
            found = true
            notifications[k]["notification"].text = text
            notifications[k]["notification"].bkgColor = bkgColor
            notifications[k]["notification"].tColor = txtColor
            notifications[k]["time"] = timer
            notifiTable["text"] = text
        end
    end
    if found == false then
        notification = createNotification(text, bkgColor, txtColor)
        notifiTable = {}
        notifiTable["name"] = name
        notifiTable["notification"] = notification
        notifiTable["time"] = timer
        notifiTable["text"] = text
        table.insert(notifications, notifiTable)
    end
end

function drawNotifications()
    for k,v in pairs(notifications) do
        if v["time"] >= 0 then
            drawingNotifications = true
            v["notification"].draw(v["notification"])
        end
    end
end

function timeNotifications()
    for k,v in pairs(notifications) do
        if notifications[k]["time"] >= 0 then
            t = v["time"] - 1
            notifications[k]["time"] = t
            term.setCursorPos(notifications[k]["notification"].x,notifications[k]["notification"].y)
            term.setBackgroundColor(v["notification"].bkgColor)
            term.clearLine()
            drawingNotifications = true
            v["notification"].draw(v["notification"])
        else
            term.setCursorPos(notifications[k]["notification"].x,notifications[k]["notification"].y)
            term.setBackgroundColor(settings.headerColor)
            term.clearLine()
            notifications[k] = nil
            table.remove(notifications, k)
            drawingNotifications = false
        end
    end
end

function update()
    timeNotifications()
    drawNotifications()
    if drawingNotifications == false then
        notification = graphics.label:new()
        notification.text = settings.headerText
        length = string.len(notification.text)
        local w, h = term.getSize()
        notification.x = (w / 2) - (length / 2) + 1
        notification.y = 1
        notification.bkgColor = colors.blue
        notification.tColor = colors.white
        notification.draw(notification)
    end
end