Tools/TRSingleApplication.py

Sat, 05 Jul 2014 15:02:45 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 05 Jul 2014 15:02:45 +0200
changeset 3682
2543741b47b7
parent 3670
f0cb7579c0b4
child 4021
195a471c327b
permissions
-rw-r--r--

Changed a few files to reference eric6.

# -*- coding: utf-8 -*-

# Copyright (c) 2004 - 2014 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing the single application server and client.
"""

from __future__ import unicode_literals

import os

from PyQt5.QtCore import pyqtSignal

from Toolbox.SingleApplication import SingleApplicationClient, \
    SingleApplicationServer

###########################################################################
# define some module global stuff
###########################################################################

SAFile = "eric6_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(str) emitted to load a form file
    @signal loadTranslation(str, bool) emitted to load a translation file
    """
    loadForm = pyqtSignal(str)
    loadTranslation = pyqtSignal(str, bool)
    
    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.loadForm.emit(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.loadTranslation.emit(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 = "{0}{1}\n".format(SALoadForm, str(uiFiles))
        self.sendCommand(cmd)
        cmd = "{0}{1}\n".format(SALoadTranslation, str(qmFiles))
        self.sendCommand(cmd)
        
        self.disconnect()

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