changed source project
This commit is contained in:
Robert Jelic
241
source/project/objects/Input.lua
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241
source/project/objects/Input.lua
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local function Input(name)
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-- Input
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local base = Object(name)
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local objectType = "Input"
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local inputType = "text"
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local inputLimit = 0
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base:setZIndex(5)
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base:setValue("")
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base.width = 10
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base.height = 1
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base.bgColor = theme.InputBG
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base.fgColor = theme.InputFG
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local textX = 1
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local wIndex = 1
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local defaultText = ""
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local defaultBGCol
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local defaultFGCol
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local showingText = defaultText
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local internalValueChange = false
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local object = {
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getType = function(self)
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return objectType
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end;
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setInputType = function(self, iType)
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if (iType == "password") or (iType == "number") or (iType == "text") then
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inputType = iType
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end
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return self
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end;
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setDefaultText = function(self, text, fCol, bCol)
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defaultText = text
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defaultBGCol = bCol or defaultBGCol
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defaultFGCol = fCol or defaultFGCol
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if (self:isFocused()) then
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showingText = ""
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else
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showingText = defaultText
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end
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return self
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end;
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getInputType = function(self)
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return inputType
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end;
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setValue = function(self, val)
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base.setValue(self, tostring(val))
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if not (internalValueChange) then
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textX = tostring(val):len() + 1
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end
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return self
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end;
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getValue = function(self)
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local val = base.getValue(self)
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return inputType == "number" and tonumber(val) or val
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end;
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setInputLimit = function(self, limit)
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inputLimit = tonumber(limit) or inputLimit
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return self
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end;
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getInputLimit = function(self)
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return inputLimit
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end;
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getFocusHandler = function(self)
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base.getFocusHandler(self)
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if (self.parent ~= nil) then
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local obx, oby = self:getAnchorPosition()
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showingText = ""
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if (self.parent ~= nil) then
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self.parent:setCursor(true, obx + textX - wIndex, oby, self.fgColor)
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end
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end
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end;
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loseFocusHandler = function(self)
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base.loseFocusHandler(self)
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if (self.parent ~= nil) then
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self.parent:setCursor(false)
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showingText = defaultText
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end
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end;
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keyHandler = function(self, event, key)
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if (base.keyHandler(self, event, key)) then
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internalValueChange = true
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if (event == "key") then
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if (key == keys.backspace) then
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-- on backspace
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local text = tostring(base.getValue())
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if (textX > 1) then
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self:setValue(text:sub(1, textX - 2) .. text:sub(textX, text:len()))
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if (textX > 1) then
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textX = textX - 1
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end
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if (wIndex > 1) then
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if (textX < wIndex) then
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wIndex = wIndex - 1
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end
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end
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end
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end
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if (key == keys.enter) then
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-- on enter
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if (self.parent ~= nil) then
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--self.parent:removeFocusedObject(self)
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end
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end
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if (key == keys.right) then
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-- right arrow
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local tLength = tostring(base.getValue()):len()
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textX = textX + 1
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if (textX > tLength) then
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textX = tLength + 1
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end
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if (textX < 1) then
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textX = 1
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end
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if (textX < wIndex) or (textX >= self.width + wIndex) then
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wIndex = textX - self.width + 1
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end
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if (wIndex < 1) then
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wIndex = 1
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end
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end
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if (key == keys.left) then
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-- left arrow
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textX = textX - 1
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if (textX >= 1) then
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if (textX < wIndex) or (textX >= self.width + wIndex) then
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wIndex = textX
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end
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end
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if (textX < 1) then
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textX = 1
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end
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if (wIndex < 1) then
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wIndex = 1
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end
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end
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end
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if (event == "char") then
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local text = base.getValue()
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if (text:len() < inputLimit or inputLimit <= 0) then
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if (inputType == "number") then
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local cache = text
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if (key == ".") or (tonumber(key) ~= nil) then
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self:setValue(text:sub(1, textX - 1) .. key .. text:sub(textX, text:len()))
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textX = textX + 1
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end
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if (tonumber(base.getValue()) == nil) then
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self:setValue(cache)
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end
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else
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self:setValue(text:sub(1, textX - 1) .. key .. text:sub(textX, text:len()))
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textX = textX + 1
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end
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if (textX >= self.width + wIndex) then
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wIndex = wIndex + 1
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end
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end
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end
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local obx, oby = self:getAnchorPosition()
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local val = tostring(base.getValue())
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local cursorX = (textX <= val:len() and textX - 1 or val:len()) - (wIndex - 1)
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if (cursorX > self.x + self.width - 1) then
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cursorX = self.x + self.width - 1
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end
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if (self.parent ~= nil) then
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self.parent:setCursor(true, obx + cursorX, oby, self.fgColor)
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end
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internalValueChange = false
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end
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end;
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mouseClickHandler = function(self, event, button, x, y)
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if (base.mouseClickHandler(self, event, button, x, y)) then
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if (event == "mouse_click") and (button == 1) then
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end
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return true
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end
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return false
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end;
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draw = function(self)
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if (base.draw(self)) then
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if (self.parent ~= nil) then
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local obx, oby = self:getAnchorPosition()
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local verticalAlign = getTextVerticalAlign(self.height, "center")
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self.parent:drawBackgroundBox(obx, oby, self.width, self.height, self.bgColor)
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for n = 1, self.height do
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if (n == verticalAlign) then
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local val = tostring(base.getValue())
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local bCol = self.bgColor
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local fCol = self.fgColor
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local text
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if (val:len() <= 0) then
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text = showingText
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bCol = defaultBGCol or bCol
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fCol = defaultFGCol or fCol
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end
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text = showingText
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if (val ~= "") then
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text = val
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end
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text = text:sub(wIndex, self.width + wIndex - 1)
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local space = self.width - text:len()
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if (space < 0) then
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space = 0
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end
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if (inputType == "password") and (val ~= "") then
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text = string.rep("*", text:len())
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end
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text = text .. string.rep(" ", space)
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self.parent:writeText(obx, oby + (n - 1), text, bCol, fCol)
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end
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end
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end
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end
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end;
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}
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return setmetatable(object, base)
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end
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