Mercurial Repositories > eric / file diff

--- a/src/eric7/HelpViewer/HelpViewerImpl.py	Wed Jul 13 11:16:20 2022 +0200
+++ b/src/eric7/HelpViewer/HelpViewerImpl.py	Wed Jul 13 14:55:47 2022 +0200
@@ -13,164 +13,165 @@
 class HelpViewerImpl:
     """
     Class implementing the help viewer base class.
-    
+
     This is the base class of help viewer implementations and defines the
     interface. Als subclasses must implement the these methods.
-    
+
     @signal titleChanged() emitted to indicate a change of the page title
     @signal loadFinished(ok) emitted to indicate the completion of a page load
     @signal zoomChanged() emitted to indicate a change of the zoom level
     """
+
     titleChanged = pyqtSignal()
     loadFinished = pyqtSignal(bool)
     zoomChanged = pyqtSignal()
-    
+
     def __init__(self, engine):
         """
         Constructor
-        
+
         @param engine reference to the help engine
         @type QHelpEngine
         """
         self._engine = engine
-    
+
     def setLink(self, url):
         """
         Public method to set the URL of the document to be shown.
-        
+
         @param url URL of the document
         @type QUrl
         @exception RuntimeError raised when not implemented
         """
         raise RuntimeError("Not implemented")
-    
+
     def link(self):
         """
         Public method to get the URL of the shown document.
-        
+
         @return URL of the document
         @rtype QUrl
         @exception RuntimeError raised when not implemented
         """
         raise RuntimeError("Not implemented")
         return QUrl()
-    
+
     def pageTitle(self):
         """
         Public method get the page title.
-        
+
         @return page title
         @rtype str
         @exception RuntimeError raised when not implemented
         """
         raise RuntimeError("Not implemented")
         return ""
-    
+
     def isEmptyPage(self):
         """
         Public method to check, if the current page is the empty page.
-        
+
         @return flag indicating an empty page is loaded
         @rtype bool
         @exception RuntimeError raised when not implemented
         """
         raise RuntimeError("Not implemented")
         return False
-    
+
     def gotoHistory(self, index):
         """
         Public method to step through the history.
-        
+
         @param index history index (<0 backward, >0 forward)
         @type int
         @exception RuntimeError raised when not implemented
         """
         raise RuntimeError("Not implemented")
-    
+
     def isBackwardAvailable(self):
         """
         Public method to check, if stepping backward through the history is
         available.
-        
+
         @return flag indicating backward stepping is available
         @rtype bool
         @exception RuntimeError raised when not implemented
         """
         raise RuntimeError("Not implemented")
         return False
-    
+
     def isForwardAvailable(self):
         """
         Public method to check, if stepping forward through the history is
         available.
-        
+
         @return flag indicating forward stepping is available
         @rtype bool
         @exception RuntimeError raised when not implemented
         """
         raise RuntimeError("Not implemented")
         return False
-    
+
     def scaleUp(self):
         """
         Public method to zoom in.
-        
+
         @exception RuntimeError raised when not implemented
         """
         raise RuntimeError("Not implemented")
-    
+
     def scaleDown(self):
         """
         Public method to zoom out.
-        
+
         @exception RuntimeError raised when not implemented
         """
         raise RuntimeError("Not implemented")
-    
+
     def setScale(self, scale):
         """
         Public method to set the zoom level.
-        
+
         @param scale zoom level to set
         @type int
         @exception RuntimeError raised when not implemented
         """
         raise RuntimeError("Not implemented")
-    
+
     def resetScale(self):
         """
         Public method to reset the zoom level.
-        
+
         @exception RuntimeError raised when not implemented
         """
         raise RuntimeError("Not implemented")
-    
+
     def scale(self):
         """
         Public method to get the zoom level.
-        
+
         @return current zoom level
         @rtype int
         @exception RuntimeError raised when not implemented
         """
         raise RuntimeError("Not implemented")
         return 0
-    
+
     def isScaleUpAvailable(self):
         """
         Public method to check, if the max. zoom level is reached.
-        
+
         @return flag indicating scale up is available
         @rtype bool
         @exception RuntimeError raised when not implemented
         """
         raise RuntimeError("Not implemented")
         return False
-    
+
     def isScaleDownAvailable(self):
         """
         Public method to check, if the min. zoom level is reached.
-        
+
         @return flag indicating scale down is available
         @rtype bool
         @exception RuntimeError raised when not implemented