136 lines
4.6 KiB
Lua
136 lines
4.6 KiB
Lua
-- ------------------------------------------------------------------------------ --
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-- TradeSkillMaster --
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-- https://tradeskillmaster.com --
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-- All Rights Reserved - Detailed license information included with addon. --
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-- ------------------------------------------------------------------------------ --
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--- Collapsible Container UI Element Class.
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-- An collapsible container is a container which can be collapsed to a single heading line. It is a subclass of the @{Frame} class.
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-- @classmod CollapsibleContainer
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local _, TSM = ...
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local CollapsibleContainer = TSM.Include("LibTSMClass").DefineClass("CollapsibleContainer", TSM.UI.Frame)
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local UIElements = TSM.Include("UI.UIElements")
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UIElements.Register(CollapsibleContainer)
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TSM.UI.CollapsibleContainer = CollapsibleContainer
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local private = {}
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-- ============================================================================
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-- Public Class Methods
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-- ============================================================================
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function CollapsibleContainer.__init(self)
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self.__super:__init()
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self._headingText = ""
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self._contextTbl = nil
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self._contextKey = nil
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end
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function CollapsibleContainer.Acquire(self)
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self.__super:Acquire()
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self:SetBackgroundColor("PRIMARY_BG_ALT", true)
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self.__super:SetLayout("VERTICAL")
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self.__super:SetPadding(12, 12, 8, 8)
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self.__super:AddChild(UIElements.New("Frame", "heading")
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:SetLayout("HORIZONTAL")
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:SetHeight(24)
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:AddChild(UIElements.New("Button", "expander")
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:SetMargin(0, 4, 0, 0)
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:SetScript("OnClick", private.OnExpanderClick)
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)
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:AddChild(UIElements.New("Text", "text")
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:SetFont("BODY_BODY1_BOLD")
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)
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)
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self.__super:AddChild(UIElements.New("Frame", "content"))
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end
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function CollapsibleContainer.Release(self)
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self._headingText = ""
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self._contextTbl = nil
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self._contextKey = nil
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self.__super:Release()
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end
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--- Sets the context table and key where to store the collapsed state.
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-- @tparam CollapsibleContainer self The collapsible container object
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-- @tparam table tbl The table
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-- @tparam string key The key
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-- @treturn CollapsibleContainer The collapsible container object
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function CollapsibleContainer.SetContextTable(self, tbl, key)
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assert(type(tbl) == "table" and type(key) == "string")
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self._contextTbl = tbl
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self._contextKey = key
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if self._contextTbl[self._contextKey] then
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self:GetElement("content"):Hide()
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else
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self:GetElement("content"):Show()
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end
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return self
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end
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--- Set the heading text.
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-- @tparam CollapsibleContainer self The collapsible container object
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-- @tparam ?string|number headingText The heading text
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-- @treturn CollapsibleContainer The collapsible container object
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function CollapsibleContainer.SetHeadingText(self, headingText)
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assert(type(headingText) == "string" or type(headingText) == "number")
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self._headingText = headingText
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return self
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end
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function CollapsibleContainer.SetPadding(self, left, right, top, bottom)
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error("CollapsibleContainer doesn't support this method")
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end
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function CollapsibleContainer.SetLayout(self, layout)
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self:GetElement("content"):SetLayout(layout)
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return self
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end
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function CollapsibleContainer.AddChild(self, child)
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self:GetElement("content"):AddChild(child)
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return self
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end
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function CollapsibleContainer.AddChildIf(self, condition, child)
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self:GetElement("content"):AddChildIf(condition, child)
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return self
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end
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function CollapsibleContainer.AddChildrenWithFunction(self, func, ...)
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self:GetElement("content"):AddChildrenWithFunction(func, ...)
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return self
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end
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function CollapsibleContainer.AddChildBeforeById(self, beforeId, child)
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self:GetElement("content"):AddChildBeforeById(beforeId, child)
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return self
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end
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function CollapsibleContainer.Draw(self)
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self:GetElement("heading.text"):SetText(self._headingText)
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self:GetElement("heading.expander"):SetBackgroundAndSize(self._contextTbl[self._contextKey] and "iconPack.18x18/Caret/Right" or "iconPack.18x18/Caret/Down")
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self.__super:Draw()
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end
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-- ============================================================================
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-- Local Script Handlers
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-- ============================================================================
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function private.OnExpanderClick(button)
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local self = button:GetParentElement():GetParentElement()
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self._contextTbl[self._contextKey] = not self._contextTbl[self._contextKey]
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if self._contextTbl[self._contextKey] then
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self:GetElement("content"):Hide()
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else
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self:GetElement("content"):Show()
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end
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-- TODO: is there a better way to notify the elements up the stack that our size has changed?
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self:GetBaseElement():Draw()
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end
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