Cider 1.3

Cider

--# Main
-- Cider
-- an interactive interface builder for Codea
-- version 1.3
-- 9 October 2012
-- Mark Sumner
-- devilstower@gmail.com

-- 1.3 adds CheckBox, bug fixes, code refactoring
-- 1.2 adds CCActiveTextBox to help simplify and manage text boxes


displayMode(FULLSCREEN)
minSize = 30

function setup()
    activeTextBox = nil
    controlCount = 1000
    trayOpen = false
    showCode = false
    trayTab = Frame(WIDTH - 25, HEIGHT / 2 - 30, 
                    WIDTH + 25, HEIGHT / 2 + 30)
    trayWidth = 0
    trayMaxWidth = 150
    trayFrame = Frame(WIDTH - trayWidth, 0, trayMaxWidth, HEIGHT)
    elements = {}
    trayElement = {}
    traySpeed = 20 
    trayElement[1] = UIElement(1, "Label", 10, HEIGHT - 60, 
                               130, HEIGHT - 30)
    trayElement[2] = UIElement(2, "Button", 10, HEIGHT - 110, 
                               140, HEIGHT - 80)
    trayElement[3] = UIElement(3, "Text Box", 10, HEIGHT - 160, 
                               140, HEIGHT - 130)
    trayElement[4] = UIElement(4, "Switch;off", 10, HEIGHT - 210, 
                               110, HEIGHT - 180)
    trayElement[5] = UIElement(5, "", 10, HEIGHT - 260, 
                               150, HEIGHT - 230)
    trayElement[6] = UIElement(6, "Drop List", 10, HEIGHT - 310, 
                               140, HEIGHT - 280)
    trayElement[7] = UIElement(7, "Multi;Choice;Button", 10, 
                                HEIGHT - 370, 150, HEIGHT - 330)
    trayElement[8] = UIElement(8, "Check Box", 10, 
                                HEIGHT - 420, 40, HEIGHT - 390)
    swtGrid = Switch("ON;OFF", 45, 90, 140, 120)
    lblGrid = Label("Grid", 10, 90, 45, 120)
    btnCode = TextButton("Save Code", 10, 40, 140, 70)
    btnCode.background = color(147, 147, 147, 255)
    eSelected = 0
    eType = 0
    dragElement = nil
    leftTopSize = Frame(0, 0, 0, 0)
    rightTopSize = Frame(0, 0, 0, 0)
    leftBottomSize = Frame(0, 0, 0, 0)
    rightBottomSize = Frame(0, 0, 0, 0)
    infoRect = Frame(-90, 0, -90, 0)
    startRect = Frame(0, 0, 0, 0)
    stretch = 0
    dialog = Dialog("Properties", 200, HEIGHT - 500, 
                    WIDTH - 200, HEIGHT - 30)
    showProperties = false
    showHandles = false
    l = dialog.left + 100
    r = dialog.right - 30
    b = dialog.bottom + 40
    t = dialog.top - 75
    txtName = TextBox("", l, t, r, t + 30)
    txtText = TextBox("", l, t - 40, r, t - 10)
   
    drpFont = DropList("ArialMT;Arial-BoldMT;Copperplate;"..
    "Courier;TimesNewRomanPSMT", l, t - 80, r, t - 50)
    drpFont.selected = 1
    
    sldFontSize = Slider("", l, t - 120, r, t - 90, 
    8 , 48, 14)
    mlbTextAlign = MultiButton("Left;Center;Right", l, t - 170, 
    r, t - 140)
    
    dragElement = nil
    offsetX = 0
    offsetY = 0
    stretch = 0
end

function drawTray()
    pushMatrix()
    pushStyle()
    translate(WIDTH - trayWidth, 0)
    for i, e in ipairs(trayElement) do
        e:draw()
    end
    lblGrid:draw()
    swtGrid:draw()
    btnCode:draw()
    
    popStyle()
    popMatrix()
end

function drawProperties()
    pushStyle()
    fontSize(14)
    font("ArialMT")
    dialog:draw()
        strokeWidth(2)
    stroke(30, 30, 30, 255)
    line(dialog.left, txtName.bottom - 4,
    dialog.right, txtName.bottom - 4)
    line(dialog.left, txtText.bottom - 4,
    dialog.right, txtText.bottom - 4)
    line(dialog.left, drpFont.top - 32,
    dialog.right, drpFont.top - 32)
    line(dialog.left, sldFontSize.top - 42,
    dialog.right, sldFontSize.top - 42)
    
    textMode(CORNER)
    textAlign(LEFT)
    fill(0, 0, 0, 255)
    text("Name", dialog.left + 10, txtName.bottom + 4)
    txtName:draw()
    text("Text", dialog.left + 10, txtText.bottom + 4)
    txtText:draw()
    text("Font", dialog.left + 10, drpFont.top - 24)
    text("Font Size", dialog.left + 10, sldFontSize.top - 24)
    text("Text Align", dialog.left + 10, mlbTextAlign.bottom + 6)
    sldFontSize:draw()
    mlbTextAlign:draw()
    drpFont:draw()
    popStyle()
end

function draw()
    -- This sets a dark background color 
    background(194, 194, 194, 255)
    font("ArialMT")
    fontSize(222)
    fill(146, 140, 140, 29)
    text("Cider", WIDTH / 2, HEIGHT / 2 + 200)
    fontSize(72)
    text("Interface Designer", WIDTH / 2, HEIGHT / 2 - 100)

    fontSize(14)
    -- Do your drawing here
    for i, e in ipairs(elements) do
        e:draw()
    end

    if trayOpen then 
        if trayWidth < trayMaxWidth then
            trayWidth = trayWidth + traySpeed
            trayTab:offset(-traySpeed , 0)
        end
    else
        if trayWidth > 0 then
            trayWidth = trayWidth - traySpeed
            trayTab:offset(traySpeed , 0)
        end
    end
    strokeWidth(2)
    fill(216, 216, 216, 255)
    ellipse(WIDTH - trayWidth, HEIGHT / 2, 40)
    rect(WIDTH - trayWidth, 0, trayWidth, HEIGHT)
    noStroke()
    rect(WIDTH - trayWidth -5, HEIGHT / 2 - 18, 10, 36)
    trayFrame.left = WIDTH - trayWidth
    trayFrame.right = trayFrame.left + trayMaxWidth
    strokeWidth(5)
    stroke(127, 127, 127, 255)
    line(WIDTH - trayWidth - 10, HEIGHT / 2, 
         WIDTH - trayWidth - 0, HEIGHT / 2 - 5)
    line(WIDTH - trayWidth - 10, HEIGHT / 2, 
         WIDTH - trayWidth - 0, HEIGHT / 2 + 5)
    if trayWidth > 0 then
        drawTray()
    end
    if dragElement then
        dragElement:draw()
    end
    
    if showHandles then 
        fontSize(14)
        font("ArialMT")
        strokeWidth(4)
        stroke(78, 175, 203, 197)
        noFill()
        line(leftTopSize.left, leftTopSize.top, 
        leftTopSize.left + 15, leftTopSize.top)
        line(leftTopSize.left, leftTopSize.top, 
        leftTopSize.left, leftTopSize.top - 15)
        
        line(leftBottomSize.left, leftBottomSize.bottom, 
        leftBottomSize.left + 15, leftBottomSize.bottom)
        line(leftBottomSize.left, leftBottomSize.bottom, 
        leftBottomSize.left, leftBottomSize.bottom + 15)
        
        line(rightBottomSize.right - 15, rightBottomSize.bottom, 
        rightBottomSize.right, rightBottomSize.bottom)
        line(rightBottomSize.right, rightBottomSize.bottom, 
        rightBottomSize.right, rightBottomSize.bottom + 15)
        
        line(rightTopSize.right - 15, rightTopSize.top, 
        rightTopSize.right, rightTopSize.top)
        line(rightTopSize.right, rightTopSize.top, 
        rightTopSize.right, rightTopSize.top - 15)
        
        strokeWidth(1)
        stroke(255, 255, 255, 255)
        fill(93, 103, 230, 255)
        ellipse(infoRect:midX(), infoRect:midY(), 25)
        fill(255, 255, 255, 255)
        text("i", infoRect:midX(), infoRect:midY())
    end
    
    if showProperties then
        drawProperties()
    end
    
end

function resetHandles(x, y)
    l = dragElement.element.left - minSize
    b = dragElement.element.bottom - minSize 
    r = dragElement.element.right
    t = dragElement.element.top
    x = dragElement.element:midX()

    leftTopSize.left = l
    leftTopSize.right = l + minSize
    leftTopSize.bottom = t
    leftTopSize.top = t + minSize
    
    rightTopSize.left = r
    rightTopSize.right = r + minSize
    rightTopSize.bottom = t
    rightTopSize.top = t + minSize
    
    rightBottomSize.left = r
    rightBottomSize.right = r + minSize
    rightBottomSize.bottom = b
    rightBottomSize.top = b + minSize
    
    leftBottomSize.left = l
    leftBottomSize.right = l + minSize
    leftBottomSize.bottom = b
    leftBottomSize.top = b + minSize
    
    infoRect.left = x - minSize / 2
    infoRect.right = x + minSize / 2
    infoRect.bottom = t + minSize
    infoRect.top = t + minSize * 2
end

function printElements()
    showCode = true
    displayMode(STANDARD)
    print("-- ===================")
    print("-- Copy into the init function")
    print("-- ===================")
    for i, e in ipairs(elements) do
        e:printInit()
    end
    print("  ")
    print("-- ===================")
    print("-- Copy into the draw function")
    print("-- ===================")
    for i, e in ipairs(elements) do
        e:printDraw()
    end
    print("  ")
    print("-- ===================")
    print("-- Copy into the touched function")
    print("-- ===================")
    for i, e in ipairs(elements) do
        e:printTouched()
    end
    print("  ")
    print("-- ===================")
    print("-- Copy into main, or modify your")
    print("-- existing keyboard function")
    print("-- ===================")
    print("  ")
    print("function keyboard(key)")
    print("    if CCActiveTextBox then")
    print("       CCActiveTextBox:acceptKey(key)")
    print("    end")
    print("end")
    print("  ")
    
end

function closeDialog()
    showProperties = false
    if string.len(txtName.text) > 0 then
        dragElement.name = txtName.text
    end
    dragElement.element.text = txtText.text
    if dragElement.type == SWITCHTYPE or
    dragElement.type == MULTIBUTTONTYPE or
    dragElement.type == DROPLISTTYPE then
        dragElement.element.itemText = {}
        dragElement.element:splitText()
    end
    dragElement.element.font = drpFont.itemText[drpFont.selected]
    dragElement.element.fontSize = sldFontSize.val
    if isKeyboardShowing() then hideKeyboard() end
    if dragElement.type == TEXTBOXTYPE then
        if mlbTextAlign.selected == 1 then
            dragElement.element.textAlign = LEFT
        elseif mlbTextAlign.selected == 2 then
            dragElement.element.textAlign = CENTER
        elseif mlbTextAlign.selected == 3 then
            dragElement.element.textAlign = RIGHT
        end
    end
    sound(SOUND_HIT, 28774)
end

function touchedProperties(touch)
    if touch.state == BEGAN and oldState ~= BEGAN then
        if dialog:touched(touch) then
            txtName:touched(touch)
            txtText:touched(touch)
            drpFont:touched(touch) 
            sldFontSize:touched(touch)
            mlbTextAlign:touched(touch)
        else
            closeDialog()
        end
    end
    if touch.state == MOVING or touch.state == ENDED then
        if dialog:touched(touch) then
            drpFont:touched(touch)
            sldFontSize:touched(touch)
        end
    end
    oldState = touch.state
end

function touchedHandles(touch)
    if touch.state == BEGAN and oldState ~= BEGAN then
        stretch = 0
        if leftTopSize:touched(touch) then stretch = 1  
        elseif rightTopSize:touched(touch) then stretch = 2
        elseif leftBottomSize:touched(touch) then stretch = 3
        elseif rightBottomSize:touched(touch) then stretch = 4
        elseif infoRect:touched(touch) then 
            stretch = 5
            showProperties = true
            txtName.text = dragElement.name
            txtText.text = dragElement.element.text
            sldFontSize.val = dragElement.element.fontSize
            if dragElement.type == LABELTYPE then
                mlbTextAlign.selected = dragElement.element.textAlign
            end
        end
        if stretch == 0 then
            showHandles = false
        end
    elseif touch.state == MOVING then
        if swtGrid.selected then
            x = math.floor(touch.x / 20) * 20
            y = math.floor(touch.y / 20) * 20
        else
            x = touch.x
            y = touch.y 
        end
        if stretch == 1 then
            -- top left
            if x > rightTopSize.left - minSize then 
                x = rightTopSize.left - minSize
            end
            if y < leftBottomSize.top + minSize then 
                y = leftBottomSize.top + minSize
            end
            dragElement.element.left = x
            dragElement.element.top = y
        elseif stretch == 2 then
            -- top right
            if x < leftTopSize.right + minSize then 
                x = leftTopSize.right + minSize
            end
            if y < leftBottomSize.top + minSize then 
                y = leftBottomSize.top + minSize
            end
            dragElement.element.right = x
            dragElement.element.top = y
        elseif stretch == 3 then
            -- bottom left
            if x > rightTopSize.left - minSize then 
                x = rightTopSize.left - minSize
            end
            if y > leftTopSize.bottom - minSize then 
                y = leftTopSize.bottom - minSize
            end
            dragElement.element.left = x
            dragElement.element.bottom = y
        elseif stretch == 4 then
            -- bottom right
            if x < leftTopSize.right + minSize then 
                x = leftTopSize.right + minSize
            end
            if y > leftTopSize.bottom - minSize then 
                y = leftTopSize.bottom - minSize
            end
            dragElement.element.right = x
            dragElement.element.bottom = y
        end
        resetHandles()
    elseif touch.state == ENDED and oldState == MOVING then
        resetHandles()
    end
end

function placeDragElement()
    local e
    if dragElement then
        dragElement = nil
        showHandles = false
    end
end

function liftDragElement(e, l)
    local ui
    if l > 0 then
        ui = UIElement(e.type, e.element.text, e.element.left + l,
        e.element.bottom, e.element.right + l, e.element.top)
        dragElement = ui
        table.insert(elements, ui)
    else
        dragElement = e
    end
    showHandles = false
end

function touched(touch)
    if showProperties then 
        touchedProperties(touch)
        oldState = touch.state
        return false
    elseif showHandles and dragElement then
        touchedHandles(touch)
        if showProperties then return false end
    end
    if touch.state == BEGAN and oldState ~= BEGAN then
        if showCode then
            showCode = false
            displayMode(FULLSCREEN)
            return false
        end
        if dragElement and not showHandles then
            if dragElement:touched(touch) then
                showHandles = true
                resetHandles(e)
            end
        end
        if trayTab:touched(touch) then
            placeDragElement()
            trayOpen = not trayOpen
        elseif trayOpen and trayFrame:touched(touch) then
            if dragElement then placeDragElement() end
            tt = Ttouch(touch)
            tt:translate(trayFrame.left, 0)
            if swtGrid:touched(tt) then
                swtGrid.status = not swtGrid.status 
            end
            if btnCode:touched(tt) then
                printElements()
            end
            for i, e in ipairs(trayElement) do
                if e:touched(tt) then
                    -- drag a new element into the table
                    liftDragElement(e, trayFrame.left)
                    dragElement.name = dragElement.name..controlCount
                    controlCount = controlCount + 1
                    offsetX = 0
                    trayOpen = false
                end
            end
        else 
            -- pick up element
            for i, e in ipairs(elements) do
                if e:touched(touch) then
                    if dragElement then placeDragElement() end
                    liftDragElement(e, 0)
                    offsetX = e.element.left - touch.x
                    --table.remove(elements, i)
                end
            end
        end
    end
    if touch.state == MOVING and dragElement 
        and showHandles == false then   
        w = dragElement.element:width()
        h = dragElement.element:height()
        if swtGrid.selected then
            x = math.floor((touch.x + offsetX) / 20) * 20 
            y = math.floor(touch.y / 20) * 20
        else
            x = touch.x + offsetX
            y = touch.y
        end 
        dragElement.element.left = x
        dragElement.element.right = x + w
        dragElement.element.bottom = y
        dragElement.element.top = y + h
    elseif touch.state == ENDED and dragElement 
    and oldState == MOVING then
        placeDragElement()    
    elseif touch.state == ENDED and dragElement 
    and oldState == BEGAN then
        if dragElement:touched(touch) then
            resetHandles(dragElement.element.left, 
            dragElement.element.right)
            showHandles = true
        else
            showHandles = false
        end
    end
    oldState = touch.state
end

function keyboard(key)
    if showProperties then
        if CCActiveTextBox then
            CCActiveTextBox:acceptKey(key)
        end
    end
end
--# UIElement
UIElement = class()

LABELTYPE = 1
BUTTONTYPE = 2
TEXTBOXTYPE = 3
SWITCHTYPE = 4
SLIDERTYPE = 5
DROPLISTTYPE = 6
MULTIBUTTONTYPE = 7
CHECKBOXTYPE = 8

function UIElement:init(type, text, left, bottom, right, top)
    self.type = type
    self.element = nil
    if type == LABELTYPE then
        self.element = Label(text, left, bottom, right, top)
        self.name = "label"
    elseif type == BUTTONTYPE then
        self.element = TextButton(text, left, bottom, right, top)
        self.name = "button"
    elseif type == TEXTBOXTYPE then
        self.element = TextBox(text, left, bottom, right, top)
        self.name = "textBox"
    elseif type == SWITCHTYPE then
        self.element = Switch(text, left, bottom, right, top)
        self.name = "switch"
    elseif type == SLIDERTYPE then
        self.element = Slider(text, left, bottom, right, top, 
        0, 100, 50)
        self.name = "slider"
    elseif type == DROPLISTTYPE then
        self.element = DropList(text, left, bottom, right, top)
        self.name = "dropList"
    elseif type == MULTIBUTTONTYPE then
        self.element = MultiButton(text, left, bottom, right, top)
        self.name = "multiButton"
    elseif type == CHECKBOXTYPE then
        self.element = CheckBox(text, left, bottom, right, top)
        self.name = "checkBox"
    end 
end

function UIElement:draw()
    self.element:draw()
end

function UIElement:printInit()
    print(self.name.." = "..self.element:initString())
    if self.element.fontSize ~= 14 then
        print(self.name..".fontSize = "..self.element.fontSize)
    end
    if self.element.font ~= "ArialMT" then
        print(self.name..".font = '"..self.element.font.."'")
    end
end

function UIElement:printDraw()
    print(self.name..":draw()")
end

function UIElement:printTouched()
    print(self.name..":touched(touch)")
end

function UIElement:touched(touch)
    return self.element:ptIn(touch.x, touch.y)
end