Dropdown: Allow empty option #20099
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Dropdown: Allow empty option #20099
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Fixes #20029. If a dropdown property-editor is not marked as mandatory and is in single-mode, then an empty option is added to the top of the dropdown, so that the value can be unset. This doesn't apply to multiple-mode, as values can be deselected.
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Pull Request Overview
Adds an empty option to non-mandatory single-mode dropdown property editors to allow users to unset values, fixing issue #20029. This enhancement improves usability by providing a clear way to remove selections when the field is optional.
- Adds an empty option to the top of dropdown lists for non-mandatory, single-mode dropdowns
- Ensures the empty option is only added when appropriate (not mandatory and not multiple selection)
....Web.UI.Client/src/packages/property-editors/dropdown/property-editor-ui-dropdown.element.ts
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AndyButland
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Sep 9, 2025
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AndyButland
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Tested out and works great, thanks @leekelleher, glad we've got this one sorted.
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Description
Fixes #20029.
If a dropdown property-editor is not marked as mandatory and is in single-mode, then an empty option is added to the top of the dropdown, so that the value can be unset.
This doesn't apply to multiple-mode, as values can already be deselected.