I'll add file upload functionality to the CSV visualizer. Let me update the code:

I've added file upload functionality to the CSV visualizer. Here are the new features:

File Upload Capabilities:

1. Drag and Drop Support:

   • Users can now drag and drop CSV files directly onto the uploader area
   • Visual feedback is provided during the drag operation

2. File Selection Dialog:

   • Clicking on the upload area opens a file selection dialog
   • Only CSV files (.csv extension) are accepted

3. Upload Status Feedback:

   • Clear visual indication when a file has been successfully uploaded
   • File name is displayed after successful upload
   • Error messages for invalid file types or failed uploads

4. Seamless Integration:

   • The uploaded file content is automatically loaded into the CSV processor
   • Users can still edit the content after upload if needed

How to Use the File Upload:

1. Upload a CSV File:

   • Either drag and drop a CSV file onto the upload area
   • Or click the upload area to open the file selection dialog
   • The file content will be automatically loaded

2. Alternative Input Methods:

   • The original paste functionality is still available
   • A divider with "Or paste CSV content" clearly separates the two input methods
   • The "Load Sample Data" button is still available for quick testing

3. Process the Data:

   • After uploading, configure the delimiter and header options as needed
   • Click "Parse CSV" to process the data
   • The view will automatically switch to the table view upon successful parsing

This enhancement makes the CSV visualizer more user-friendly by providing multiple ways to input data, catering to different user preferences and workflows.

I'll enhance the CSV visualizer with a comprehensive set of features including Overview, Analytics, Report, and Documentation sections. Let me update the code:

I've enhanced the CSV visualizer with a comprehensive set of features organized into multiple sections. Here's what's been added:

1. Overview Section

• Data Summary: Shows total rows, columns, and cells
• Column Analysis: Analyzes each column for data type, empty values, and unique values
• Statistical Measures: For numeric columns, displays min/max/average values
• Automatic Data Type Detection: Identifies numeric, date, and text columns

2. Analytics Section

• Interactive Visualizations: Create charts to visualize your data
• Multiple Chart Types: Choose between bar charts, pie charts, and line charts
• Smart Column Selection: The system automatically identifies which columns are suitable for visualization
• Contextual Explanations: Descriptions of what each chart represents

3. Report Section

• Summary Report: Generates a comprehensive summary of your data
• Full Data Report: Displays the complete dataset in a printable format
• Export Options: Print, export as CSV, or copy to clipboard
• Data Sample: Shows a preview of the first few rows in the summary report

4. Documentation Section

• User Guide: Comprehensive documentation on how to use the tool
• Feature Explanations: Detailed descriptions of all features
• Tips and Best Practices: Guidance for getting the best results
• Troubleshooting: Solutions for common issues

How to Use the Enhanced Features:

1. Start by uploading or pasting your CSV data in the Input tab
2. View your data as a table with sorting and searching capabilities
3. Get an overview of your data with automatic column analysis
4. Create visualizations by selecting columns and chart types
5. Generate reports that can be printed or exported
6. Refer to the documentation if you need help using any feature

The application now provides a complete end-to-end solution for CSV data analysis, from initial data loading to visualization and reporting. The interface is intuitive and guides users through the process of exploring and understanding their data.