# sec_interp.gui.dialog_preview_manager module

Preview management module for SecInterp main dialog.

This module handles preview generation, rendering, and updates, separating preview logic from the main dialog class.

class sec_interp.gui.dialog_preview_manager.PreviewManager(dialog: Any, preview_service: IPreviewService | None = None)

  Bases: `TranslatableMixin`

  Manages preview generation and rendering for the dialog.

  This class encapsulates all preview-related logic, including data generation, rendering, and updates based on user interactions.

  __init__(dialog: Any, preview_service: IPreviewService | None = None) → None

    Initialize preview manager with specialized components.

  cleanup() → None

    Clean up resources and stop background tasks.

  connect_signals() → None

    Connect all signals for the preview manager.

  disconnect_signals() → None

    Disconnect all signals for the preview manager.

  generate_preview() → tuple[bool, str]

    Generate complete preview with all available data layers.

  update_from_checkboxes() → None

    Update preview when checkboxes change.

    This method re-renders the preview using cached data and current checkbox states without regenerating data.