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80 lines
2.2 KiB
Lua
80 lines
2.2 KiB
Lua
local ui = require('openmw.ui')
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---
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-- `openmw_aux.ui` defines utility functions for UI.
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-- Implementation can be found in `resources/vfs/openmw_aux/ui.lua`.
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-- @module ui
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-- @usage local auxUi = require('openmw_aux.ui')
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local aux_ui = {}
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local function deepContentCopy(content)
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local result = ui.content{}
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for _, v in ipairs(content) do
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result:add(aux_ui.deepLayoutCopy(v))
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end
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return result
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end
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---
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-- @function [parent=#ui] deepLayoutCopy
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-- @param #table layout
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-- @return #table copied layout
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function aux_ui.deepLayoutCopy(layout)
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local result = {}
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for k, v in pairs(layout) do
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if k == 'content' then
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result[k] = deepContentCopy(v)
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elseif type(v) == 'table' and getmetatable(v) == nil then
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result[k] = aux_ui.deepLayoutCopy(v)
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else
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result[k] = v
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end
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end
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return result
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end
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local function isUiElement(v)
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return v.__type and v.__type.name == 'LuaUi::Element'
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end
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local function deepElementCallback(layout, callback)
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if not layout.content then return end
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for i = 1, #layout.content do
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local child = layout.content[i]
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if isUiElement(child) then
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callback(child)
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deepElementCallback(child.layout, callback)
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else
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deepElementCallback(child, callback)
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end
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end
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end
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---
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-- Recursively updates all elements in the passed layout or element
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-- @function [parent=#ui] deepUpdate
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-- @param #any elementOrLayout @{openmw.ui#Layout} or @{openmw.ui#Element}
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function aux_ui.deepUpdate(elementOrLayout)
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local layout = elementOrLayout
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if elementOrLayout.update then
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elementOrLayout:update()
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layout = elementOrLayout.layout
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end
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deepElementCallback(layout, function (e) e:update() end)
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end
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---
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-- Recursively destroys all elements in the passed layout or element
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-- @function [parent=#ui] deepDestroy
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-- @param #any elementOrLayout @{openmw.ui#Layout} or @{openmw.ui#Element}
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function aux_ui.deepDestroy(elementOrLayout)
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local layout = elementOrLayout
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if elementOrLayout.destroy then
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elementOrLayout:destroy()
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layout = elementOrLayout.layout
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end
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deepElementCallback(layout, function (e) e:destroy() end)
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end
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return aux_ui
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