severity_filter.py

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from .base_filter import BaseFilter

from python_qt_binding.QtCore import Qt


class SeverityFilter(BaseFilter):

    """
    Contains filter logic for a severity filter.
    If the message's severity text matches any of the text in the stored list
    then it is considered a match.
    """

    def __init__(self):
        super(SeverityFilter, self).__init__()
        self._selected_items = []

    def set_selected_items(self, items):
        """
        Setter for selected items.
        :param list_: list of items to store for filtering ''list of QListWidgetItem''
        :emits filter_changed_signal: If _enabled is true
        """
        self._selected_items = items
        if self.is_enabled():
            self.start_emit_timer()

    def has_filter(self):
        return len(self._selected_items) > 0

    def test_message(self, message):
        """
        Tests if the message matches the filter.
        If the message's severity text matches any of the text in the stored list
        then it is considered a match.
        :param message: the message to be tested against the filters, ''Message''
        :returns: True if the message matches, ''bool''
        """
        if not self.is_enabled():
            return False
        for item in self._selected_items:
            if message.severity == item.data(Qt.UserRole):
                return True
        return False