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ESO Lua File v100027

common/zo_colorpicker/zo_colorpicker_shared.lua

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--[[ Provides a simple color picker dialog
Usage:
colorPickerObject:Show(colorSelectedCallback[, r][, g][, b][, a])
*colorSelectedCallback - Called when a value is picked, signature: colorSelectedCallback(newR, newG, newB, newA)
*r - Optional starting red value (default: 1)
*g - Optional starting green value (default: 1)
*b - Optional starting blue value (default: 1)
*a - Optional starting alpha value, if no alpha value is provided the alpha slider is not shown, if one is provided the alpha slider is shown
]]
--
ZO_ColorPicker_Shared = ZO_Object:Subclass()
function ZO_ColorPicker_Shared:New(...)
    local object = ZO_Object.New(self)
    object:Initialize(...)
    return object
end
function ZO_ColorPicker_Shared:Initialize(control, dialogName)
    self.control = control
    self.dialogName = dialogName
    local content = self.control:GetNamedChild("Content")
    self.content = content
     self.colorSelect = content:GetNamedChild("ColorSelect")
     self.colorSelectThumb = self.colorSelect:GetNamedChild("Thumb")
     self.colorSelect:SetColorWheelThumbTextureControl(self.colorSelectThumb)
    self.colorSelect:SetHandler("OnColorSelected", function(control, r, g, b) self:OnColorSet(r, g, b) end)
     self.valueSlider = content:GetNamedChild("Value")
     self.valueSlider:GetThumbTextureControl():SetDrawLayer(3)
     self.valueTexture = self.valueSlider:GetNamedChild("Texture")
    self.valueSlider:SetHandler("OnValueChanged", function(control, value) 
        self:OnValueSet(1 - value)
    end)
     self.alphaLabel = content:GetNamedChild("AlphaLabel")
     self.alphaSlider = content:GetNamedChild("Alpha")
    local alphaThumbTexture = self.alphaSlider:GetThumbTextureControl()
    alphaThumbTexture:SetTextureRotation(math.pi / 2)
     alphaThumbTexture:SetDrawLayer(3)
     self.alphaTexture = self.alphaSlider:GetNamedChild("Texture")
    self.alphaSlider:SetHandler("OnValueChanged", function(control, value)
        self:OnAlphaSet(value)
    end)
     self.previewControl = content:GetNamedChild("Preview")
     self.previewInitialTexture = self.previewControl:GetNamedChild("TextureBottom")
    self.previewCurrentTexture = self.previewControl:GetNamedChild("TextureTop")
end
function ZO_ColorPicker_Shared:UpdateColors(r, g, b, a)
     local fullR, fullG, fullB = self.colorSelect:GetFullValuedColorAsRGB()
     self.valueTexture:SetGradientColors(ORIENTATION_VERTICAL, 0, 0, 0, 1, fullR, fullG, fullB, 1)
     if self.hasAlpha then
          self.previewCurrentTexture:SetColor(r, g, b, a)
     else
          self.previewCurrentTexture:SetColor(r, g, b, 1)
     end
    --Even though the alpha is 1.0 at the right, a lower value gives a better visual
     self.alphaTexture:SetGradientColors(ORIENTATION_HORIZONTAL, r, g, b, 0, r, g, b, .85)
end
function ZO_ColorPicker_Shared:OnColorSet(r, g, b)
     self:UpdateColors(r, g, b, self.alphaSlider:GetValue())
end
function ZO_ColorPicker_Shared:OnValueSet(value)
     self.colorSelect:SetValue(value)
end
function ZO_ColorPicker_Shared:OnAlphaSet(value)
     local r, g, b = self.colorSelect:GetColorAsRGB()
     self:UpdateColors(r, g, b, value)
end
function ZO_ColorPicker_Shared:SetColor(r, g, b, a)
     self.colorSelect:SetColorAsRGB(r, g, b)
     self.valueSlider:SetValue(1 - self.colorSelect:GetValue())
     if self.hasAlpha then
          self.alphaSlider:SetValue(a or 1)
     end
     self:UpdateColors(r, g, b, a or 1)
end
function ZO_ColorPicker_Shared:GetColors()
     local r, g, b = self.colorSelect:GetColorAsRGB()
     if self.hasAlpha then
          return r, g, b, self.alphaSlider:GetValue()
     end
     return r, g, b
end
function ZO_ColorPicker_Shared:Confirm()
     if self.colorSelectedCallback then
          self.colorSelectedCallback(self:GetColors())
     end
    ZO_Dialogs_ReleaseDialog(self.dialogName)
end
function ZO_ColorPicker_Shared:Cancel()
     if self.colorSelectedCallback then
          if self.hasAlpha then
               self.colorSelectedCallback(self.initialR, self.initialG, self.initialB, self.initialA)
          else
               self.colorSelectedCallback(self.initialR, self.initialG, self.initialB)
          end
     end
    ZO_Dialogs_ReleaseDialog(self.dialogName)
end
function ZO_ColorPicker_Shared:Show(colorSelectedCallback, r, g, b, a)
     self.initialR = r or 1
     self.initialG = g or 1
     self.initialB = b or 1
     self.initialA = a or 1
     self.hasAlpha = a ~= nil
    self:SetAlphaLimits(0, 1)
     self:SetColor(self.initialR, self.initialG, self.initialB, self.initialA)
    self.previewInitialTexture:SetColor(self.initialR, self.initialG, self.initialB, self.initialA)
    ZO_Dialogs_ShowPlatformDialog(self.dialogName)
end
function ZO_ColorPicker_Shared:IsShown()
    return not self.control:IsHidden()
end
function ZO_ColorPicker_Shared:UpdateLayout()
    if self.hasAlpha then
         self.content:SetHeight(self.hasAlphaHeight)
    else
        self.content:SetHeight(self.doesntHaveAlphaHeight)
    end
     if self.hasAlpha then
          self.alphaLabel:SetHidden(false)
          self.alphaSlider:SetHidden(false)
        self.alphaSlider:SetMinMax(self.alphaLowerLimit, self.alphaUpperLimit)
     else
          self.alphaLabel:SetHidden(true)
          self.alphaSlider:SetHidden(true)
     end
end
function ZO_ColorPicker_Shared:SetHasAlphaContentHeight(height)
    self.hasAlphaHeight = height
end
function ZO_ColorPicker_Shared:SetDoesntHaveAlphaContentHeight(height)
    self.doesntHaveAlphaHeight = height
end
function ZO_ColorPicker_Shared:SetAlphaLimits(alphaLowerLimit, alphaUpperLimit)
    self.alphaLowerLimit = alphaLowerLimit or 0
    self.alphaUpperLimit = alphaUpperLimit or 1
    self:UpdateLayout()
end