Add docstrings. Also add safe_cast function. Finally
fix some minor issues.
This commit is contained in:
alessandro90
151
themesmanager.py
151
themesmanager.py
@@ -11,25 +11,36 @@ from utilities import pop_up
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class ThemeConstants:
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FOLDER = "themes"
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EXTENSION = ".qss"
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ICONS_FOLDER = "icons"
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DEFAULT = "dark"
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CURRENT = ".current_theme"
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COLORS = "colors.txt"
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COLOR_SEPARATOR = "="
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DEFAULT_ACTIVE_COLOR = "#000000"
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DEFAULT_INACTIVE_COLOR = "#9f9f9f"
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DEFAULT_OFF_COLORS = "#000000", "#434343"
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DEFAULT_ON_COLORS = "#4b79a1", "#283e51"
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DEFAULT_TEXT_COLOR = "#ffffff"
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THEME_NOT_FOUND = "Theme not found"
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MISSING_THEME = "Missing theme in '" + FOLDER + "' folder."
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MISSING_THEME_FOLDER = "'" + FOLDER + "'" + " folder not found.\nOnly the basic theme is available."
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THEME_FOLDER_NOT_FOUND = "'" + FOLDER + "'" + " folder not found"
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"""Container class for all the relevant theme-related constants."""
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FOLDER = "themes"
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EXTENSION = ".qss"
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ICONS_FOLDER = "icons"
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DEFAULT = "dark"
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CURRENT = ".current_theme"
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COLORS = "colors.txt"
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COLOR_SEPARATOR = "="
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DEFAULT_ACTIVE_COLOR = "#000000"
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DEFAULT_INACTIVE_COLOR = "#9f9f9f"
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DEFAULT_OFF_COLORS = "#000000", "#434343"
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DEFAULT_ON_COLORS = "#4b79a1", "#283e51"
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DEFAULT_TEXT_COLOR = "#ffffff"
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THEME_NOT_FOUND = "Theme not found"
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MISSING_THEME = "Missing theme in '" + FOLDER + "' folder."
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MISSING_THEME_FOLDER = "'" + FOLDER + "'" + " folder not found.\nOnly the basic theme is available."
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THEME_FOLDER_NOT_FOUND = "'" + FOLDER + "'" + " folder not found"
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DEFAULT_ICONS_PATH = os.path.join(FOLDER, DEFAULT, ICONS_FOLDER)
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DEFAULT_SEARCH_LABEL_PATH = os.path.join(DEFAULT_ICONS_PATH, Constants.SEARCH_LABEL_IMG)
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DEFAULT_VOLUME_LABEL_PATH = os.path.join(DEFAULT_ICONS_PATH, Constants.VOLUME_LABEL_IMG)
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CURRENT_THEME_FILE = os.path.join(FOLDER, CURRENT)
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DEFAULT_THEME_PATH = os.path.join(FOLDER, DEFAULT)
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class ThemeManager:
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"""Manage all the operations releted the the themes."""
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def __init__(self, parent):
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"""Initialize the ThemeManager instance."""
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self.__parent = parent
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self.__parent.active_color = ThemeConstants.DEFAULT_ACTIVE_COLOR
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self.__parent.inactive_color = ThemeConstants.DEFAULT_INACTIVE_COLOR
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@@ -37,12 +48,6 @@ class ThemeManager:
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self.__theme_path = ""
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self.__current_theme = ""
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self.__parent.default_images_folder = os.path.join(
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ThemeConstants.FOLDER,
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ThemeConstants.DEFAULT,
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ThemeConstants.ICONS_FOLDER
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)
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self.__space_weather_labels = SwitchableLabelsIterable(
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*list(
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chain(
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@@ -66,9 +71,9 @@ class ThemeManager:
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)
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self.__theme_names = {}
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self.__detect_themes()
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def __refresh_range_labels(self):
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"""Refresh the range-labels."""
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self.__parent.set_acf_interval_label()
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self.__parent.set_band_filter_label(
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self.__parent.activate_low_band_filter_btn,
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@@ -96,12 +101,16 @@ class ThemeManager:
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@pyqtSlot()
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def __apply(self, theme_path):
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"""Apply the selected theme.
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Refresh all relevant widgets.
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Display a QMessageBox if the theme is not found."""
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self.__theme_path = theme_path
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if os.path.exists(theme_path):
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if self.__theme_path != self.__current_theme:
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self.__change()
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self.__parent.display_specs(
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item=self.__parent.result_list.currentItem(),
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item=self.__parent.signals_list.currentItem(),
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previous_item=None
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)
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self.__refresh_range_labels()
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@@ -115,6 +124,7 @@ class ThemeManager:
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text=ThemeConstants.MISSING_THEME).show()
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def __pretty_name(self, bad_name):
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"""Return a well-formatted theme name."""
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return ' '.join(
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map(lambda s: s.capitalize(),
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bad_name.split('_')
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@@ -122,6 +132,10 @@ class ThemeManager:
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)
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def __detect_themes(self):
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"""Detect all available themes.
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Connect all the actions to change the theme.
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Display a QMessageBox if the theme folder is not found."""
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themes = []
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ag = QActionGroup(self.__parent, exclusive=True)
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if os.path.exists(ThemeConstants.FOLDER):
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@@ -146,6 +160,7 @@ class ThemeManager:
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text=ThemeConstants.MISSING_THEME_FOLDER).show()
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def __is_valid_html_color(self, colors):
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"""Return if a string or a list of strings has a valid html format."""
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pattern = "#([a-zA-Z0-9]){6}"
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match_ok = lambda col: bool(re.match(pattern, col))
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if isinstance(colors, list):
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@@ -157,6 +172,11 @@ class ThemeManager:
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return match_ok(colors)
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def __change(self):
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"""Change the current theme.
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Apply the stylesheet and set active and inactive colors.
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Set all the new images needed.
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Save the new current theme on file."""
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theme_name = os.path.basename(self.__theme_path) + ThemeConstants.EXTENSION
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try:
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with open(
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@@ -170,47 +190,26 @@ class ThemeManager:
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text=ThemeConstants.MISSING_THEME).show()
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else:
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icons_path = os.path.join(self.__theme_path, ThemeConstants.ICONS_FOLDER)
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default_icons_path = os.path.join(
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ThemeConstants.FOLDER,
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ThemeConstants.DEFAULT,
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ThemeConstants.ICONS_FOLDER
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)
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if os.path.exists(os.path.join(icons_path, Constants.NOT_SELECTED)) and \
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os.path.exists(os.path.join(icons_path, Constants.NOT_AVAILABLE)):
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self.__parent.default_images_folder = icons_path
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else:
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self.__parent.default_images_folder = default_icons_path
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path_to_search_label = os.path.join(
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icons_path,
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Constants.SEARCH_LABEL_IMG
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)
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default_search_label = os.path.join(
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default_icons_path,
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Constants.SEARCH_LABEL_IMG
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)
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if os.path.exists(path_to_search_label):
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self.__parent.search_label.setPixmap(
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QPixmap(path_to_search_label)
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)
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self.__parent.modulation_search_label.setPixmap(
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QPixmap(path_to_search_label)
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)
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self.__parent.location_search_label.setPixmap(
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QPixmap(path_to_search_label)
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)
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path = path_to_search_label
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else:
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self.__parent.search_label.setPixmap(
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QPixmap(default_search_label)
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)
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self.__parent.modulation_search_label.setPixmap(
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QPixmap(default_search_label)
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)
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self.__parent.location_search_label.setPixmap(
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QPixmap(default_search_label)
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)
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path = ThemeConstants.DEFAULT_SEARCH_LABEL_PATH
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self.__parent.search_label.setPixmap(
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QPixmap(path)
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)
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self.__parent.modulation_search_label.setPixmap(
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QPixmap(path)
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)
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self.__parent.location_search_label.setPixmap(
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QPixmap(path)
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)
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self.__parent.search_label.setScaledContents(True)
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self.__parent.modulation_search_label.setScaledContents(True)
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@@ -220,19 +219,15 @@ class ThemeManager:
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icons_path,
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Constants.VOLUME_LABEL_IMG
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)
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default_volume_label = os.path.join(
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default_icons_path,
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Constants.VOLUME_LABEL_IMG
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)
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if os.path.exists(path_to_volume_label):
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self.__parent.volume_label.setPixmap(
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QPixmap(path_to_volume_label)
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)
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path = path_to_volume_label
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else:
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self.__parent.volume_label.setPixmap(
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QPixmap(default_volume_label)
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)
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path = ThemeConstants.DEFAULT_VOLUME_LABEL_PATH
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self.__parent.volume_label.setPixmap(
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QPixmap(path)
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)
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self.__parent.volume_label.setScaledContents(True)
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@@ -307,21 +302,16 @@ class ThemeManager:
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self.__current_theme = self.__theme_path
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try:
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with open(os.path.join(
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ThemeConstants.FOLDER,
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ThemeConstants.CURRENT
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), "w") as current_theme:
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with open(ThemeConstants.CURRENT_THEME_FILE, "w") as current_theme:
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current_theme.write(self.__theme_path)
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except Exception:
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pass
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def start(self):
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current_theme_file = os.path.join(
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ThemeConstants.FOLDER,
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ThemeConstants.CURRENT
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)
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if os.path.exists(current_theme_file):
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with open(current_theme_file, "r") as current_theme_path:
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"""Start the theme manager."""
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self.__detect_themes()
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if os.path.exists(ThemeConstants.CURRENT_THEME_FILE):
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with open(ThemeConstants.CURRENT_THEME_FILE, "r") as current_theme_path:
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theme_path = current_theme_path.read()
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theme_name = self.__pretty_name(os.path.basename(theme_path))
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try:
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@@ -340,9 +330,4 @@ class ThemeManager:
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pop_up(self.__parent, title=ThemeConstants.THEME_NOT_FOUND,
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text=ThemeConstants.MISSING_THEME).show()
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else:
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self.__apply(
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os.path.join(
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ThemeConstants.FOLDER,
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ThemeConstants.DEFAULT
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)
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)
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self.__apply(ThemeConstants.DEFAULT_THEME_PATH)
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