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UISpinBox = extends(UITextEdit)
function UISpinBox.create()
local spinbox = UISpinBox.internalCreate()
spinbox:setValidCharacters('0123456789')
spinbox.minimum = 0
spinbox.maximum = 0
spinbox.value = 0
spinbox:setText("0")
return spinbox
end
function UISpinBox:onMouseWheel(mousePos, direction)
if direction == MouseWheelUp then
self:setValue(self.value + 1)
elseif direction == MouseWheelDown then
self:setValue(self.value - 1)
end
return true
end
function UISpinBox:onTextChange(text, oldText)
if text:len() == 0 then
self:setValue(self.minimum)
return
end
local number = tonumber(text)
if not number or number > self.maximum or number < self.minimum then
self:setText(oldText)
return
end
self:setValue(number)
end
function UISpinBox:onValueChange(value)
-- nothing todo
end
function UISpinBox:onStyleApply(styleName, styleNode)
for name, value in pairs(styleNode) do
if name == 'maximum' then
self:setMaximum(value)
elseif name == 'minimum' then
self:setMinimum(value)
end
end
end
function UISpinBox:setValue(value)
value = math.max(math.min(self.maximum, value), self.minimum)
if value == self.value then return end
if self:getText():len() > 0 then
self:setText(value)
end
self.value = value
signalcall(self.onValueChange, self, value)
end
function UISpinBox:setMinimum(minimum)
self.minimum = minimum
if self.value < minimum then
self:setValue(minimum)
end
end
function UISpinBox:setMaximum(maximum)
self.maximum = maximum
if self.value > maximum then
self:setValue(maximum)
end
end
function UISpinBox:getValue() return self.value end