Mercurial Repositories > eric / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Tools/TRSingleApplication.py	Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,116 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2004 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the single application server and client.
+"""
+
+import os
+
+from PyQt4.QtCore import SIGNAL
+
+from Utilities.SingleApplication import SingleApplicationClient, SingleApplicationServer
+
+###########################################################################
+# define some module global stuff
+###########################################################################
+
+SAFile = "eric4-trpreviewer"
+
+# define the protocol tokens
+SALoadForm =        '>LoadForm<'
+SALoadTranslation = '>LoadTranslation<'
+
+class TRSingleApplicationServer(SingleApplicationServer):
+    """
+    Class implementing the single application server embedded within the 
+    Translations Previewer.
+    
+    @signal loadForm(fname) emitted to load a form file
+    @signal loadTranslation(fname, first) emitted to load a translation file
+    """
+    def __init__(self, parent):
+        """
+        Constructor
+        
+        @param parent parent widget (QWidget)
+        """
+        SingleApplicationServer.__init__(self, SAFile)
+        
+        self.parent = parent
+
+    def handleCommand(self, cmd, params):
+        """
+        Public slot to handle the command sent by the client.
+        
+        @param cmd commandstring (string)
+        @param params parameterstring (string)
+        """
+        if cmd == SALoadForm:
+            self.__saLoadForm(eval(params))
+            return
+
+        if cmd == SALoadTranslation:
+            self.__saLoadTranslation(eval(params))
+            return
+
+    def __saLoadForm(self, fnames):
+        """
+        Private method used to handle the "Load Form" command.
+        
+        @param fnames filenames of the forms to be loaded (list of strings)
+        """
+        for fname in fnames:
+            self.emit(SIGNAL('loadForm'), fname)
+        
+    def __saLoadTranslation(self, fnames):
+        """
+        Private method used to handle the "Load Translation" command.
+        
+        @param fnames filenames of the translations to be loaded (list of strings)
+        """
+        first = True
+        for fname in fnames:
+            self.emit(SIGNAL('loadTranslation'), fname, first)
+            first = False
+
+class TRSingleApplicationClient(SingleApplicationClient):
+    """
+    Class implementing the single application client of the Translations Previewer.
+    """
+    def __init__(self):
+        """
+        Constructor
+        """
+        SingleApplicationClient.__init__(self, SAFile)
+        
+    def processArgs(self, args):
+        """
+        Public method to process the command line args passed to the UI.
+        
+        @param args list of files to open
+        """
+        # no args, return
+        if args is None:
+            return
+        
+        uiFiles = []
+        qmFiles = []
+        
+        for arg in args:
+            ext = os.path.splitext(arg)[1]
+            ext = ext.lower()
+            
+            if ext == '.ui':
+                uiFiles.append(arg)
+            elif ext == '.qm':
+                qmFiles.append(arg)
+        
+        cmd = "%s%s\n" % (SALoadForm, unicode(uiFiles))
+        self.sendCommand(cmd)
+        cmd = "%s%s\n" % (SALoadTranslation, unicode(qmFiles))
+        self.sendCommand(cmd)
+        
+        self.disconnect()