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Added RemoveOption() and GetOptionCount() to DropDown. Resolves #682

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Oliver 2022-02-16 11:14:05 +01:00
parent 1560f6b730
commit f0544de1f2
1 changed files with 13 additions and 0 deletions
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13
dropdown.go
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@ -267,6 +267,19 @@ func (d *DropDown) SetOptions(texts []string, selected func(text string, index i
return d return d
} }
// GetOptionCount returns the number of options in the drop-down.
func (d *DropDown) GetOptionCount() int {
return len(d.options)
}
// RemoveOption removes the specified option from the drop-down. Panics if the
// index is out of range.
func (d *DropDown) RemoveOption(index int) *DropDown {
d.options = append(d.options[:index], d.options[index+1:]...)
d.list.RemoveItem(index)
return d
}
// SetSelectedFunc sets a handler which is called when the user changes the // SetSelectedFunc sets a handler which is called when the user changes the
// drop-down's option. This handler will be called in addition and prior to // drop-down's option. This handler will be called in addition and prior to
// an option's optional individual handler. The handler is provided with the // an option's optional individual handler. The handler is provided with the