Warn before user close page #43
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Implements a proof of concept for warning users when leaving a page with unsaved form changes. Features: - Vanilla JavaScript tracker with no dependencies - Automatic initialization via data attributes - Manual initialization with custom options - Nette Forms integration via UnsavedChangesControl helper - Works with Bootstrap renderers - Debug mode for development - Smart form submission handling Added files: - assets/unsaved-changes.js - Core JavaScript tracker - src/Controls/UnsavedChangesControl.php - PHP helper for Nette Forms - examples/unsaved-changes-demo.html - HTML demo with multiple examples - examples/unsaved-changes-nette.php - Nette Forms integration example - UNSAVED_CHANGES_POC.md - Complete documentation Resolves #2
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Implements a proof of concept for warning users when leaving a page with unsaved form changes.
Features:
Added files:
Resolves #2