sec_interp.gui.main_dialog_preview 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.main_dialog_preview.PreviewManager(dialog: sec_interp.gui.main_dialog.SecInterpDialog, preview_service: IPreviewService | None = None)

Bases: object

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.

Initialize preview manager with reference to parent dialog.

Parameters:

• dialog – The sec_interp.gui.main_dialog.SecInterpDialog instance

• preview_service – Optional preview service for dependency injection

__init__(dialog: sec_interp.gui.main_dialog.SecInterpDialog, preview_service: IPreviewService | None = None)

Initialize preview manager with reference to parent dialog.

Parameters:

• dialog – The sec_interp.gui.main_dialog.SecInterpDialog instance

• preview_service – Optional preview service for dependency injection

cleanup()

Clean up resources and stop background tasks.

generate_preview() → tuple[bool, str]

Generate complete preview with all available data layers.

This is the main preview generation method that orchestrates data generation and rendering.

Returns:

Tuple of (success, message)

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.