Mercurial Repositories > eric / file comparison
comparison: E5Gui/E5Application.py
E5Gui/E5Application.py
- changeset 55
- b5c84934de9c
- child 410
- e5d1addeb90c
- child 792
- a13346916170
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| 54:31463df17fd5 | 55:b5c84934de9c |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2009 - 2010 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Class implementing a specialized application class. | |
| 8 """ | |
| 9 | |
| 10 from PyQt4.QtCore import QCoreApplication | |
| 11 from PyQt4.QtGui import QApplication | |
| 12 | |
| 13 class E5Application(QApplication): | |
| 14 """ | |
| 15 Eric application class with an object registry. | |
| 16 """ | |
| 17 def __init__(self, argv): | |
| 18 """ | |
| 19 Constructor | |
| 20 | |
| 21 @param argv command line arguments | |
| 22 """ | |
| 23 QApplication.__init__(self, argv) | |
| 24 | |
| 25 self.__objectRegistry = {} | |
| 26 self.__pluginObjectRegistry = {} | |
| 27 | |
| 28 def registerObject(self, name, object): | |
| 29 """ | |
| 30 Public method to register an object in the object registry. | |
| 31 | |
| 32 @param name name of the object (string) | |
| 33 @param object reference to the object | |
| 34 @exception KeyError raised when the given name is already in use | |
| 35 """ | |
| 36 if name in self.__objectRegistry: | |
| 37 raise KeyError('Object "%s" already registered.' % name) | |
| 38 else: | |
| 39 self.__objectRegistry[name] = object | |
| 40 | |
| 41 def getObject(self, name): | |
| 42 """ | |
| 43 Public method to get a reference to a registered object. | |
| 44 | |
| 45 @param name name of the object (string) | |
| 46 @return reference to the registered object | |
| 47 @exception KeyError raised when the given name is not known | |
| 48 """ | |
| 49 if name in self.__objectRegistry: | |
| 50 return self.__objectRegistry[name] | |
| 51 else: | |
| 52 raise KeyError('Object "%s" is not registered.' % name) | |
| 53 | |
| 54 def registerPluginObject(self, name, object, pluginType = None): | |
| 55 """ | |
| 56 Public method to register a plugin object in the object registry. | |
| 57 | |
| 58 @param name name of the plugin object (string) | |
| 59 @param object reference to the plugin object | |
| 60 @keyparam pluginType type of the plugin object (string) | |
| 61 @exception KeyError raised when the given name is already in use | |
| 62 """ | |
| 63 if name in self.__pluginObjectRegistry: | |
| 64 raise KeyError('Pluginobject "%s" already registered.' % name) | |
| 65 else: | |
| 66 self.__pluginObjectRegistry[name] = (object, pluginType) | |
| 67 | |
| 68 def unregisterPluginObject(self, name): | |
| 69 """ | |
| 70 Public method to unregister a plugin object in the object registry. | |
| 71 | |
| 72 @param name name of the plugin object (string) | |
| 73 """ | |
| 74 if name in self.__pluginObjectRegistry: | |
| 75 del self.__pluginObjectRegistry[name] | |
| 76 | |
| 77 def getPluginObject(self, name): | |
| 78 """ | |
| 79 Public method to get a reference to a registered plugin object. | |
| 80 | |
| 81 @param name name of the plugin object (string) | |
| 82 @return reference to the registered plugin object | |
| 83 @exception KeyError raised when the given name is not known | |
| 84 """ | |
| 85 if name in self.__pluginObjectRegistry: | |
| 86 return self.__pluginObjectRegistry[name][0] | |
| 87 else: | |
| 88 raise KeyError('Pluginobject "%s" is not registered.' % name) | |
| 89 | |
| 90 def getPluginObjects(self): | |
| 91 """ | |
| 92 Public method to get a list of (name, reference) pairs of all | |
| 93 registered plugin objects. | |
| 94 | |
| 95 @return list of (name, reference) pairs | |
| 96 """ | |
| 97 objects = [] | |
| 98 for name in self.__pluginObjectRegistry: | |
| 99 objects.append((name, self.__pluginObjectRegistry[name][0])) | |
| 100 return objects | |
| 101 | |
| 102 def getPluginObjectType(self, name): | |
| 103 """ | |
| 104 Public method to get the type of a registered plugin object. | |
| 105 | |
| 106 @param name name of the plugin object (string) | |
| 107 @return type of the plugin object (string) | |
| 108 @exception KeyError raised when the given name is not known | |
| 109 """ | |
| 110 if name in self.__pluginObjectRegistry: | |
| 111 return self.__pluginObjectRegistry[name][1] | |
| 112 else: | |
| 113 raise KeyError('Pluginobject "%s" is not registered.' % name) | |
| 114 | |
| 115 e5App = QCoreApplication.instance |
