Skip to main content

User Interactions

Overview​

User interaction patterns and input handling strategies in the MiniMrpOrderCreation dashboard.

Input Handling​

Keyboard Navigation​

  • Tab order configuration
  • Keyboard shortcuts
  • Enter key handling
  • Escape key for cancel

Mouse Interactions​

  • Click handlers
  • Double-click actions
  • Right-click context menus
  • Drag and drop support

Form Validation​

Field-Level Validation​

public string ValidateOrderQuantity(decimal quantity)
{
    if (quantity <= 0)
        return "Quantity must be greater than zero";
    if (quantity > MaxOrderQty)
        return $"Quantity cannot exceed {MaxOrderQty}";
    return null;
}

Form-Level Validation​

  • Cross-field validation
  • Async validation
  • Validation summaries
  • Error highlighting

User Feedback​

Notifications​

  • Toast messages
  • Status bar updates
  • Modal dialogs
  • Inline messages

Progress Feedback​

  • Loading spinners
  • Progress bars
  • Status messages
  • Completion notifications

Confirmation Patterns​

Delete Confirmation​

var result = MessageBox.Show(
    "Are you sure you want to delete?",
    "Confirm Delete",
    MessageBoxButton.YesNo,
    MessageBoxImage.Warning);

Save Changes Prompt​

  • Detect unsaved changes
  • Prompt before navigation
  • Offer save/discard/cancel

Accessibility​

Screen Reader Support​

  • Proper labels
  • ARIA attributes
  • Focus management
  • Keyboard navigation

Visual Accessibility​

  • High contrast support
  • Font size options
  • Color blind friendly
  • Focus indicators

Error Handling​

User-Friendly Messages​

  • Clear error descriptions
  • Suggested actions
  • Contact information
  • Error codes for support

Recovery Options​

  • Retry mechanisms
  • Alternative actions
  • Data preservation
  • Graceful degradation

Best Practices​

  • Provide immediate feedback
  • Validate on appropriate events
  • Show progress for long operations
  • Handle errors gracefully
  • Support keyboard navigation
  • Test with accessibility tools