Mercurial Repositories > Base64 Data URI Encoder Wizard / file diff

--- a/PluginWizardDataUriEncoder.py	Sun Dec 29 15:40:19 2013 +0100
+++ b/PluginWizardDataUriEncoder.py	Sun Dec 29 19:41:52 2013 +0100
@@ -0,0 +1,152 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2013 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the base64 data URI encoder wizard plug-in.
+"""
+
+from __future__ import unicode_literals
+
+import os
+
+from PyQt4.QtCore import QObject, QTranslator
+from PyQt4.QtGui import QDialog
+
+from E5Gui.E5Application import e5App
+from E5Gui.E5Action import E5Action
+from E5Gui import E5MessageBox
+
+# Start-of-Header
+name = "Base64 Data URI Encoder Wizard Plug-in"
+author = "Detlev Offenbach <detlev@die-offenbachs.de>"
+autoactivate = True
+deactivateable = True
+version = "0.1.0"
+className = "WizardDataUriEncoderPlugin"
+packageName = "WizardDataUriEncoder"
+shortDescription = "Wizard for the creation of code for a base64 data URI."
+longDescription = \
+    """This plug-in implements a wizard to generate code for""" \
+    """ base64 encoded data URIs."""
+needsRestart = False
+pyqtApi = 2
+# End-of-Header
+
+error = ""
+
+
+class WizardDataUriEncoderPlugin(QObject):
+    """
+    Class implementing the base64 data URI encoder wizard plug-in.
+    """
+    def __init__(self, ui):
+        """
+        Constructor
+        
+        @param ui reference to the user interface object (UI.UserInterface)
+        """
+        QObject.__init__(self, ui)
+        self.__ui = ui
+        self.__action = None
+        
+        self.__translator = None
+        self.__loadTranslator()
+    
+    def __initialize(self):
+        """
+        Private slot to (re)initialize the plug-in.
+        """
+        self.__act = None
+    
+    def activate(self):
+        """
+        Public method to activate this plug-in.
+        
+        @return tuple of None and activation status (boolean)
+        """
+        self.__initAction()
+        self.__initMenu()
+        
+        return None, True
+    
+    def deactivate(self):
+        """
+        Public method to deactivate this plug-in.
+        """
+        menu = self.__ui.getMenu("wizards")
+        if menu:
+            menu.removeAction(self.__action)
+        self.__ui.removeE5Actions([self.__action], 'wizards')
+    
+    def __loadTranslator(self):
+        """
+        Private method to load the translation file.
+        """
+        if self.__ui is not None:
+            loc = self.__ui.getLocale()
+            if loc and loc != "C":
+                locale_dir = os.path.join(
+                    os.path.dirname(__file__), "WizardDataUriEncoder", "i18n")
+                translation = "datauriencoder_{0}".format(loc)
+                translator = QTranslator(None)
+                loaded = translator.load(translation, locale_dir)
+                if loaded:
+                    self.__translator = translator
+                    e5App().installTranslator(self.__translator)
+                else:
+                    print("Warning: translation file '{0}' could not be"
+                          " loaded.".format(translation))
+                    print("Using default.")
+    
+    def __initAction(self):
+        """
+        Private method to initialize the action.
+        """
+        self.__action = E5Action(
+            self.trUtf8('Base64 Data Uri Encoder Wizard'),
+            self.trUtf8('Base&64 Data Uri Encoder Wizard...'),
+            0, 0, self,
+            'wizards_datauriencoder')
+        self.__action.setStatusTip(self.trUtf8('.desktop Wizard'))
+        self.__action.setWhatsThis(self.trUtf8(
+            """<b>Base64 Data Uri Encoder Wizard</b>"""
+            """<p>This wizard opens a dialog for entering all the parameters"""
+            """ needed to create code for a base64 encoded data URI.</p>"""
+        ))
+        self.__action.triggered[()].connect(self.__handle)
+        
+        self.__ui.addE5Actions([self.__action], 'wizards')
+
+    def __initMenu(self):
+        """
+        Private method to add the actions to the right menu.
+        """
+        menu = self.__ui.getMenu("wizards")
+        if menu:
+            menu.addAction(self.__action)
+    
+    def __handle(self):
+        """
+        Private method to handle the wizards action.
+        """
+        editor = e5App().getObject("ViewManager").activeWindow()
+        
+        if editor is None:
+                E5MessageBox.critical(
+                    self.__ui,
+                    self.trUtf8('No current editor'),
+                    self.trUtf8('Please open or create a file first.'))
+        else:
+            from WizardDataUriEncoder.DataUriEncoderWizardDialog import \
+                DataUriEncoderWizardDialog
+            dlg = DataUriEncoderWizardDialog(None)
+            if dlg.exec_() == QDialog.Accepted:
+                code = dlg.getCode()
+                if code:
+                    line, index = editor.getCursorPosition()
+                    # It should be done on this way to allow undo
+                    editor.beginUndoAction()
+                    editor.insertAt(code, line, index)
+                    editor.endUndoAction()