65 lines
1.5 KiB
Lua
65 lines
1.5 KiB
Lua
-- @docclass
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UIRadioGroup = newclass()
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function UIRadioGroup.create()
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local radiogroup = UIRadioGroup.internalCreate()
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radiogroup.widgets = {}
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radiogroup.selectedWidget = nil
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return radiogroup
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end
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function UIRadioGroup:destroy()
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for k,widget in pairs(self.widgets) do
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widget.onClick = nil
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end
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self.widgets = {}
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end
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function UIRadioGroup:addWidget(widget)
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table.insert(self.widgets, widget)
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widget.onClick = function(widget) self:selectWidget(widget) end
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end
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function UIRadioGroup:removeWidget(widget)
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if self.selectedWidget == widget then
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self:selectWidget(nil)
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end
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widget.onClick = nil
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table.removevalue(self.widgets, widget)
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end
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function UIRadioGroup:selectWidget(selectedWidget)
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if selectedWidget == self.selectedWidget then return end
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local previousSelectedWidget = self.selectedWidget
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self.selectedWidget = selectedWidget
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if previousSelectedWidget then
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previousSelectedWidget:setChecked(false)
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end
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if selectedWidget then
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selectedWidget:setChecked(true)
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end
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signalcall(self.onSelectionChange, self, selectedWidget, previousSelectedWidget)
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end
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function UIRadioGroup:clearSelected()
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if not self.selectedWidget then return end
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local previousSelectedWidget = self.selectedWidget
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self.selectedWidget:setChecked(false)
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self.selectedWidget = nil
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signalcall(self.onSelectionChange, self, nil, previousSelectedWidget)
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end
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function UIRadioGroup:getSelectedWidget()
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return self.selectedWidget
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end
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function UIRadioGroup:getFirstWidget()
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return self.widgets[1]
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end
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