Add Drop-down Widget

[Antol]

Description

This pull request adds a new Drop-down Widget to the Grist custom widget collection. The widget provides a simple and compact drop-down menu that can be populated with options from a selected column in a Grist document.

Features

• Displays options from a selected column in a drop-down menu
• Acts as a source for selection in other Grist widgets
• Compact design for efficient use of space
• Handles error states and empty option sets
• Syncs with Grist cursor position and theme

Files Added

• drop-down/index.html: Main HTML structure
• drop-down/script.js: Widget functionality
• drop-down/package.json: Widget metadata
• drop-down/README.md: Usage instructions and widget description

How to Use

1. Add the widget to a Grist document
2. Select the column to use for options in the widget configuration
3. The drop-down will populate with values from the selected column
4. Selecting an option will update the cursor position in linked widgets

This widget aims to provide a straightforward and useful tool for Grist users who need a compact way to navigate through options in their documents.

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[berhalak]

Hi @Antol, thanks for contributing.

Can you describe the purpose of this widget, what kind of problems it solves? I also noticed that the dropdown has 100% height and width, which looks surprising, was this your intention?

[Antol]

@berhalak I will quote the August newsletter "Antol Peshkov has created a simple custom dropdown widget that does exactly what it sounds like." Why is 100% height and width surprising? It would take only a small piece of a page to work as a selector.