94 lines
2.2 KiB
Lua
94 lines
2.2 KiB
Lua
local ElementList = Object:extend()
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function ElementList:initElements()
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self.elements = {}
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self.focusedElement = nil
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self.lastFocused = nil
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self.nbrElement = 0
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end
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function ElementList:addElement(name, element)
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self.nbrElement = self.nbrElement + 1
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self.elements[name] = element
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return self.nbrElement
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end
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function ElementList:deleteElement(name)
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self.elements[name] = nil
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end
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function ElementList:setFocus(name, widgetId, page)
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assert(self:elementExists(name), "Element " .. name .. " doesn't exists")
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self:storeLastFocus()
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self.focusedElement = name
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self.elements[name].isVisible = true
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if (widgetId ~= nil) then
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self.elements[name]:setSubFocus(widgetId, page)
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end
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end
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function ElementList:removeFocus()
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self:storeLastFocus()
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self.focusedElement = nil
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end
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function ElementList:storeLastFocus()
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if (self.focusedElement ~= nil) then
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self.lastFocused = self.focusedElement
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end
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end
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function ElementList:setLastFocus()
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if (self:elementExists(self.lastFocused)) then
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self:setFocus(self.lastFocused)
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end
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end
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function ElementList:elementExists(name)
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return (self:getElement(name) ~= nil)
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end
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function ElementList:haveFocus()
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return self:elementIsVisible(self.focusedElement)
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end
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function ElementList:getFocusedElement()
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return self:getElement(self.focusedElement)
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end
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function ElementList:getElement(name)
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if (not utils.string.isEmpty(name)) then
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return self.elements[name]
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end
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return nil
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end
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function ElementList:getVisibleElement(topLayer)
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local visibleList = {}
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for _, element in pairs(self.elements) do
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if (element ~= nil) then
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if (element:getVisibility() and ((element.depth) < 0 == topLayer)) then
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table.insert(visibleList, element)
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end
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end
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end
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table.sort(visibleList, function (a, b)
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if (a.depth == b.depth) then
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return (a.creationId < b.creationId)
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else
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return (a.depth > b.depth)
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end
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end)
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return visibleList
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end
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function ElementList:elementIsVisible(name)
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if (self:elementExists(name)) then
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return self.elements[name]:getVisibility()
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end
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return false
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end
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return ElementList |