--- a/eric6/Helpviewer/ZoomManager/ZoomManager.py Sat Sep 07 14:45:27 2019 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,211 +0,0 @@
-# -*- coding: utf-8 -*-
-
-# Copyright (c) 2015 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
-#
-
-"""
-Module implementing a manager for site specific zoom level settings.
-"""
-
-from __future__ import unicode_literals
-
-import json
-
-from PyQt5.QtCore import pyqtSignal, QObject
-
-from Utilities.AutoSaver import AutoSaver
-import Preferences
-
-
-class ZoomManager(QObject):
- """
- Class implementing a manager for site specific zoom level settings.
-
- @signal changed() emitted to indicate a change of the zoom level
- """
- changed = pyqtSignal()
-
- def __init__(self, parent=None):
- """
- Constructor
-
- @param parent reference to the parent object (QObject)
- """
- super(ZoomManager, self).__init__(parent)
-
- self.__zoomDB = {}
-
- self.__saveTimer = AutoSaver(self, self.save)
-
- self.changed.connect(self.__saveTimer.changeOccurred)
-
- self.__loaded = False
-
- def close(self):
- """
- Public method to close the bookmark manager.
- """
- self.__saveTimer.saveIfNeccessary()
-
- def load(self):
- """
- Public method to load the bookmarks.
- """
- if self.__loaded:
- return
-
- dbString = Preferences.getHelp("ZoomValuesDB")
- if dbString:
- try:
- db = json.loads(dbString)
- self.__zoomDB = db
- except ValueError:
- # ignore silently
- pass
-
- self.__loaded = True
-
- def save(self):
- """
- Public method to save the bookmarks.
- """
- if not self.__loaded:
- return
-
- dbString = json.dumps(self.__zoomDB)
- Preferences.setHelp("ZoomValuesDB", dbString)
-
- def __keyFromUrl(self, url):
- """
- Private method to generate a DB key for an URL.
-
- @param url URL to generate a key for
- @type QUrl
- @return key for the given URL
- @rtype str
- """
- if url.isEmpty():
- key = ""
- else:
- scheme = url.scheme()
- host = url.host()
- if host:
- key = host
- elif scheme == "file":
- path = url.path()
- key = path.rsplit("/", 1)[0]
- else:
- key = ""
-
- return key
-
- def setZoomValue(self, url, zoomValue):
- """
- Public method to record the zoom value for the given URL.
-
- Note: Only zoom values not equal 100% are recorded.
-
- @param url URL of the page to remember the zoom value for
- @type QUrl
- @param zoomValue zoom value for the URL
- @type int
- """
- self.load()
-
- key = self.__keyFromUrl(url)
- if not key:
- return
-
- if ((zoomValue == 100 and key not in self.__zoomDB) or
- (key in self.__zoomDB and self.__zoomDB[key] == zoomValue)):
- return
-
- if zoomValue == 100:
- del self.__zoomDB[key]
- else:
- self.__zoomDB[key] = zoomValue
-
- self.changed.emit()
-
- def zoomValue(self, url):
- """
- Public method to get the zoom value for an URL.
-
- @param url URL of the page to get the zoom value for
- @type QUrl
- @return zoomValue zoom value for the URL
- @rtype int
- """
- self.load()
-
- key = self.__keyFromUrl(url)
- if not key:
- zoom = 100
-
- if key in self.__zoomDB:
- zoom = self.__zoomDB[key]
- else:
- # default zoom value (i.e. no zoom)
- zoom = 100
-
- return zoom
-
- def clear(self):
- """
- Public method to clear the saved zoom values.
- """
- self.__zoomDB = {}
- self.__loaded = True
-
- self.changed.emit()
-
- def removeZoomValue(self, site):
- """
- Public method to remove a zoom value entry.
-
- @param site web site name
- @type str
- """
- self.load()
-
- if site in self.__zoomDB:
- del self.__zoomDB[site]
- self.changed.emit()
-
- def allSiteNames(self):
- """
- Public method to get a list of all site names.
-
- @return sorted list of all site names
- @rtype list of str
- """
- self.load()
-
- return sorted(self.__zoomDB.keys())
-
- def sitesCount(self):
- """
- Public method to get the number of available sites.
-
- @return number of sites
- @rtype int
- """
- self.load()
-
- return len(self.__zoomDB)
-
- def siteInfo(self, site):
- """
- Public method to get the zoom value for the site.
-
- @param site web site name
- @type str
- @return zoom value for the site
- @rtype int
- """
- self.load()
-
- if site not in self.__zoomDB:
- return None
-
- return self.__zoomDB[site]
