populse_mia.user_interface.data_browser.modify_table

Database cell editor module for list-type values.

This module provides dialog interfaces for editing complex data type in the Mia data browser. It specifically handles the editing of list-type values such as arrays of numbers, strings, or dates.

The ModifyTable dialog creates an interactive table representation of lists, allowing users to add, edit, or remove items while ensuring type safety and database consistency.

Classes

ModifyTable(project, value, types, scans, tags)

Dialog to modify cell contents containing lists in the data browser tab.

class populse_mia.user_interface.data_browser.modify_table.ModifyTable(project, value, types, scans, tags)

Bases: QDialog

Dialog to modify cell contents containing lists in the data browser tab.

This dialog provides a user interface to edit cells that contain list values. It displays the list elements in a table and allows users to add or remove elements.

Contains:

Methods:

• _convert_value: Convert a text value to the appropriate type.

• _show_error_message: Display an error message.

• add_item: Add one more element to self.value.

• fill_table: Fill the table.

• rem_last_item: Remove last element of self.value.

• update_table_values: Update the table in the database.

__init__(project, value, types, scans, tags)

Initialize the ModifyTable dialog.

Parameters:

• project – Instance of the current project.

• value – List of values in the cell to be modified.

• types – Allowed value types for validation.

• scans – Scan identifiers corresponding to rows.

• tags – Tag identifiers corresponding to columns.

_convert_value(text, field_type)

Convert a text value to the appropriate type based on field_type.

Parameters:

• text – String value to convert.

• field_type – Database field type constant.

Returns:

The converted value in the appropriate type.

_show_error_message(value, type_problem)

Display an error message for invalid values.

Parameters:

• value – The invalid value.

• type_problem – The specific type that failed validation.

add_item()

Add a new element to the list with default value 0.

fill_table()

Populate the table with the current list elements.

Configures the table dimensions, populates cells with values, and adjusts table size to fit content within reasonable bounds.

rem_last_item()

Remove the last element of the list if there’s more than one element.

Lists must maintain at least one element.

update_table_values(test=False)

Validate user input and update the database with new values.

Validates each value against specified types and updates the database only if all values are valid.

Parameters:

test – (bool) Flag for testing mode, defaults to False.