api_button

--[[
FILENAME: api_button.lua(API)
AUTHOR: Donald R. Valverde (Cavious)
VERSION: 1.0-ALPHA
--]]

local button = {}

function createButton(list, id, text, fontColor, backgroundColor, xPos, yPos, funct)
    button[id] = {}
    button[id]["text"] = text
    button[id]["fontColor"] = fontColor
    button[id]["backgroundColor"] = backgroundColor
    button[id]["xPos"] = xPos
    button[id]["yPos"] = yPos
    button[id]["funct"] = funct

    table.insert(list, button[id])
end

function removeButton(list, id)
    table.remove(list, id)
end

function drawButtons(output, list)
    for i = 1, #list do
        output.setCursorPos(list[i].xPos, list[i].yPos)
        output.setTextColor(list[i].fontColor)
        output.setBackgroundColor(list[i].backgroundColor)
        output.write(list[i].text)
    end
end

function drawButton(output, list, i)
    output.setCursorPos(list[i].xPos, list[i].yPos)
    output.setTextColor(list[i].fontColor)
    output.setBackgroundColor(list[i].backgroundColor)
    output.write(list[i].text)
end

function runButtonEvent(buttonList, activeButtonColor, inactiveButtonColor, event_type)
    state = true

    while(state) do
        event, button, xPos, yPos = os.pullEvent(event_type)

        for i = 1, #buttonList do
            if(yPos == buttonList[i].yPos and xPos >= buttonList[i].xPos and xPos < (buttonList[i].text:len() + buttonList[i].xPos)) then
                buttonList[i].backgroundColor = activeButtonColor
                api_button.drawButton(term, buttonList, i)
                os.sleep(0.5)
                buttonList[i].backgroundColor = inactiveButtonColor
                api_button.drawButton(term, buttonList, i)
                os.sleep(0.5)
                buttonList[i].funct()
                state = false
            end
        end
    end
end