Project/ProjectTranslationsBrowser.py

changeset 0
de9c2efb9d02
child 12
1d8dd9706f46
diff -r 000000000000 -r de9c2efb9d02 Project/ProjectTranslationsBrowser.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Project/ProjectTranslationsBrowser.py	Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,1111 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2002 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a class used to display the translations part of the project.
+"""
+
+import os
+import sys
+import shutil
+import fnmatch
+
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+
+from E4Gui.E4Application import e4App
+
+from ProjectBrowserModel import ProjectBrowserFileItem, \
+    ProjectBrowserSimpleDirectoryItem, ProjectBrowserDirectoryItem, \
+    ProjectBrowserTranslationType
+from ProjectBaseBrowser import ProjectBaseBrowser
+
+from UI.DeleteFilesConfirmationDialog import DeleteFilesConfirmationDialog
+import UI.PixmapCache
+
+import Preferences
+import Utilities
+
+class ProjectTranslationsBrowser(ProjectBaseBrowser):
+    """
+    A class used to display the translations part of the project. 
+    
+    @signal linguistFile(string) emitted to open a translation file with
+            Qt-Linguist
+    @signal appendStdout(string) emitted after something was received from
+            a QProcess on stdout
+    @signal appendStderr(string) emitted after something was received from
+            a QProcess on stderr
+    @signal sourceFile(string) emitted to open a translation file in an editor
+    @signal closeSourceWindow(string) emitted after a file has been removed/deleted 
+            from the project
+    @signal trpreview(string list) emitted to preview translations in the 
+            translations previewer
+    @signal showMenu(string, QMenu) emitted when a menu is about to be shown. The name
+            of the menu and a reference to the menu are given.
+    """
+    def __init__(self, project, parent=None):
+        """
+        Constructor
+        
+        @param project reference to the project object
+        @param parent parent widget of this browser (QWidget)
+        """
+        ProjectBaseBrowser.__init__(self, project, ProjectBrowserTranslationType, parent)
+        self.isTranslationsBrowser = True
+        
+        self.selectedItemsFilter = \
+            [ProjectBrowserFileItem, ProjectBrowserSimpleDirectoryItem]
+        
+        self.setWindowTitle(self.trUtf8('Translations'))
+
+        self.setWhatsThis(self.trUtf8(
+            """<b>Project Translations Browser</b>"""
+            """<p>This allows to easily see all translations contained in the current"""
+            """ project. Several actions can be executed via the context menu.</p>"""
+        ))
+        
+        self.lreleaseProc = None
+        self.lreleaseProcRunning = False
+        self.pylupdateProc = None
+        self.pylupdateProcRunning = False
+        
+    def _createPopupMenus(self):
+        """
+        Protected overloaded method to generate the popup menu.
+        """
+        self.menuActions = []
+        self.multiMenuActions = []
+        self.dirMenuActions = []
+        self.dirMultiMenuActions = []
+        
+        self.tsMenuActions = []
+        self.qmMenuActions = []
+        self.tsprocMenuActions = []
+        self.qmprocMenuActions = []
+        
+        self.tsMultiMenuActions = []
+        self.qmMultiMenuActions = []
+        self.tsprocMultiMenuActions = []
+        self.qmprocMultiMenuActions = []
+        
+        self.tsprocDirMenuActions = []
+        self.qmprocDirMenuActions = []
+        
+        self.tsprocBackMenuActions = []
+        self.qmprocBackMenuActions = []
+        
+        self.menu = QMenu(self)
+        if self.project.getProjectType() in \
+                ["Qt4", "Qt4C", "E4Plugin", "PySide", "PySideC"]:
+            act = self.menu.addAction(self.trUtf8('Generate translation'), 
+                self.__generateSelected)
+            self.tsMenuActions.append(act)
+            self.tsprocMenuActions.append(act)
+            act = self.menu.addAction(\
+                self.trUtf8('Generate translation (with obsolete)'), 
+                self.__generateObsoleteSelected)
+            self.tsMenuActions.append(act)
+            self.tsprocMenuActions.append(act)
+            act = self.menu.addAction(self.trUtf8('Generate all translations'), 
+                self.__generateAll)
+            self.tsprocMenuActions.append(act)
+            act = self.menu.addAction(\
+                self.trUtf8('Generate all translations (with obsolete)'), 
+                self.__generateObsoleteAll)
+            self.tsprocMenuActions.append(act)
+            self.menu.addSeparator()
+            act = self.menu.addAction(self.trUtf8('Open in Qt-Linguist'), 
+                self._openItem)
+            self.tsMenuActions.append(act)
+            act = self.menu.addAction(self.trUtf8('Open in Editor'), 
+                self.__openFileInEditor)
+            self.tsMenuActions.append(act)
+            self.menu.addSeparator()
+            act = self.menu.addAction(self.trUtf8('Release translation'), 
+                self.__releaseSelected)
+            self.tsMenuActions.append(act)
+            self.qmprocMenuActions.append(act)
+            act = self.menu.addAction(self.trUtf8('Release all translations'), 
+                self.__releaseAll)
+            self.qmprocMenuActions.append(act)
+            self.menu.addSeparator()
+            act = self.menu.addAction(self.trUtf8('Preview translation'), 
+                self.__TRPreview)
+            self.qmMenuActions.append(act)
+            act = self.menu.addAction(self.trUtf8('Preview all translations'), 
+                self.__TRPreviewAll)
+            self.menu.addSeparator()
+        else:
+            if self.hooks["extractMessages"] is not None:
+                act = self.menu.addAction(
+                    self.hooksMenuEntries.get("extractMessages", 
+                        self.trUtf8('Extract messages')), 
+                    self.__extractMessages)
+                self.menuActions.append(act)
+                self.menu.addSeparator()
+            if self.hooks["generateSelected"] is not None:
+                act = self.menu.addAction(
+                    self.hooksMenuEntries.get("generateSelected", 
+                        self.trUtf8('Generate translation')), 
+                    self.__generateSelected)
+                self.tsMenuActions.append(act)
+                self.tsprocMenuActions.append(act)
+            if self.hooks["generateSelectedWithObsolete"] is not None:
+                act = self.menu.addAction(
+                    self.hooksMenuEntries.get("generateSelectedWithObsolete", 
+                        self.trUtf8('Generate translation (with obsolete)')), 
+                    self.__generateObsoleteSelected)
+                self.tsMenuActions.append(act)
+                self.tsprocMenuActions.append(act)
+            if self.hooks["generateAll"] is not None:
+                act = self.menu.addAction(
+                    self.hooksMenuEntries.get("generateAll", 
+                        self.trUtf8('Generate all translations')), 
+                    self.__generateAll)
+                self.tsprocMenuActions.append(act)
+            if self.hooks["generateAllWithObsolete"] is not None:
+                act = self.menu.addAction(
+                    self.hooksMenuEntries.get("generateAllWithObsolete", 
+                        self.trUtf8('Generate all translations (with obsolete)')), 
+                    self.__generateObsoleteAll)
+                self.tsprocMenuActions.append(act)
+            self.menu.addSeparator()
+            act = self.menu.addAction(self.trUtf8('Open in Editor'), 
+                self.__openFileInEditor)
+            self.tsMenuActions.append(act)
+            self.menu.addSeparator()
+            if self.hooks["releaseSelected"] is not None:
+                act = self.menu.addAction(
+                    self.hooksMenuEntries.get("releaseSelected", 
+                        self.trUtf8('Release translation')), 
+                    self.__releaseSelected)
+                self.tsMenuActions.append(act)
+                self.qmprocMenuActions.append(act)
+            if self.hooks["releaseAll"] is not None:
+                act = self.menu.addAction(
+                    self.hooksMenuEntries.get("releaseAll", 
+                        self.trUtf8('Release all translations')), 
+                    self.__releaseAll)
+                self.qmprocMenuActions.append(act)
+            self.menu.addSeparator()
+        act = self.menu.addAction(self.trUtf8('Remove from project'), 
+            self.__removeLanguageFile)
+        self.menuActions.append(act)
+        act = self.menu.addAction(self.trUtf8('Delete'), self.__deleteLanguageFile)
+        self.menuActions.append(act)
+        self.menu.addSeparator()
+        self.menu.addAction(self.trUtf8('Add translation...'), self.project.addLanguage)
+        self.menu.addAction(self.trUtf8('Add translation files...'), 
+            self.__addTranslationFiles)
+        self.menu.addSeparator()
+        self.menu.addAction(self.trUtf8('Copy Path to Clipboard'), 
+            self._copyToClipboard)
+        self.menu.addSeparator()
+        self.menu.addAction(self.trUtf8('Configure...'), self._configure)
+        
+        self.backMenu = QMenu(self)
+        if self.project.getProjectType() in \
+                ["Qt4", "Qt4C", "E4Plugin", "PySide", "PySideC"]:
+            act = self.backMenu.addAction(self.trUtf8('Generate all translations'), 
+                self.__generateAll)
+            self.tsprocBackMenuActions.append(act)
+            act = self.backMenu.addAction(\
+                self.trUtf8('Generate all translations (with obsolete)'), 
+                self.__generateObsoleteAll)
+            self.tsprocBackMenuActions.append(act)
+            act = self.backMenu.addAction(self.trUtf8('Release all translations'), 
+                self.__releaseAll)
+            self.qmprocBackMenuActions.append(act)
+            self.backMenu.addSeparator()
+            act = self.backMenu.addAction(self.trUtf8('Preview all translations'), 
+                self.__TRPreview)
+        else:
+            if self.hooks["extractMessages"] is not None:
+                act = self.backMenu.addAction(
+                    self.hooksMenuEntries.get("extractMessages", 
+                        self.trUtf8('Extract messages')), 
+                    self.__extractMessages)
+                self.backMenu.addSeparator()
+            if self.hooks["generateAll"] is not None:
+                act = self.backMenu.addAction(
+                    self.hooksMenuEntries.get("generateAll", 
+                        self.trUtf8('Generate all translations')), 
+                    self.__generateAll)
+                self.tsprocBackMenuActions.append(act)
+            if self.hooks["generateAllWithObsolete"] is not None:
+                act = self.backMenu.addAction(
+                    self.hooksMenuEntries.get("generateAllWithObsolete", 
+                        self.trUtf8('Generate all translations (with obsolete)')), 
+                    self.__generateObsoleteAll)
+                self.tsprocBackMenuActions.append(act)
+            if self.hooks["releaseAll"] is not None:
+                act = self.backMenu.addAction(
+                    self.hooksMenuEntries.get("releaseAll", 
+                        self.trUtf8('Release all translations')), 
+                    self.__releaseAll)
+                self.qmprocBackMenuActions.append(act)
+        self.backMenu.addSeparator()
+        self.backMenu.addAction(self.trUtf8('Add translation...'), 
+            self.project.addLanguage)
+        self.backMenu.addAction(self.trUtf8('Add translation files...'), 
+            self.__addTranslationFiles)
+        self.backMenu.addSeparator()
+        self.backMenu.addAction(self.trUtf8('Configure...'), self._configure)
+        self.backMenu.setEnabled(False)
+
+        # create the menu for multiple selected files
+        self.multiMenu = QMenu(self)
+        if self.project.getProjectType() in \
+                ["Qt4", "Qt4C", "E4Plugin", "PySide", "PySideC"]:
+            act = self.multiMenu.addAction(self.trUtf8('Generate translations'), 
+                self.__generateSelected)
+            self.tsMultiMenuActions.append(act)
+            self.tsprocMultiMenuActions.append(act)
+            act = self.multiMenu.addAction(\
+                self.trUtf8('Generate translations (with obsolete)'),
+                self.__generateObsoleteSelected)
+            self.tsMultiMenuActions.append(act)
+            self.tsprocMultiMenuActions.append(act)
+            self.multiMenu.addSeparator()
+            act = self.multiMenu.addAction(\
+                self.trUtf8('Open in Qt-Linguist'), self._openItem)
+            self.tsMultiMenuActions.append(act)
+            act = self.multiMenu.addAction(self.trUtf8('Open in Editor'), 
+                self.__openFileInEditor)
+            self.tsMultiMenuActions.append(act)
+            self.multiMenu.addSeparator()
+            act = self.multiMenu.addAction(self.trUtf8('Release translations'), 
+                self.__releaseSelected)
+            self.tsMultiMenuActions.append(act)
+            self.qmprocMultiMenuActions.append(act)
+            self.multiMenu.addSeparator()
+            act = self.multiMenu.addAction(self.trUtf8('Preview translations'), 
+                self.__TRPreview)
+            self.qmMultiMenuActions.append(act)
+        else:
+            if self.hooks["extractMessages"] is not None:
+                act = self.multiMenu.addAction(
+                    self.hooksMenuEntries.get("extractMessages", 
+                        self.trUtf8('Extract messages')), 
+                    self.__extractMessages)
+                self.multiMenuActions.append(act)
+                self.multiMenu.addSeparator()
+            if self.hooks["generateSelected"] is not None:
+                act = self.multiMenu.addAction(
+                    self.hooksMenuEntries.get("generateSelected", 
+                        self.trUtf8('Generate translations')), 
+                    self.__generateSelected)
+                self.tsMultiMenuActions.append(act)
+                self.tsprocMultiMenuActions.append(act)
+            if self.hooks["generateSelectedWithObsolete"] is not None:
+                act = self.multiMenu.addAction(
+                    self.hooksMenuEntries.get("generateSelectedWithObsolete", 
+                        self.trUtf8('Generate translations (with obsolete)')),
+                    self.__generateObsoleteSelected)
+                self.tsMultiMenuActions.append(act)
+                self.tsprocMultiMenuActions.append(act)
+            self.multiMenu.addSeparator()
+            act = self.multiMenu.addAction(self.trUtf8('Open in Editor'), 
+                self.__openFileInEditor)
+            self.tsMultiMenuActions.append(act)
+            self.multiMenu.addSeparator()
+            if self.hooks["releaseSelected"] is not None:
+                act = self.multiMenu.addAction(
+                    self.hooksMenuEntries.get("releaseSelected", 
+                        self.trUtf8('Release translations')), 
+                    self.__releaseSelected)
+                self.tsMultiMenuActions.append(act)
+                self.qmprocMultiMenuActions.append(act)
+        self.multiMenu.addSeparator()
+        act = self.multiMenu.addAction(self.trUtf8('Remove from project'), 
+            self.__removeLanguageFile)
+        self.multiMenuActions.append(act)
+        act = self.multiMenu.addAction(self.trUtf8('Delete'), self.__deleteLanguageFile)
+        self.multiMenuActions.append(act)
+        self.multiMenu.addSeparator()
+        self.multiMenu.addAction(self.trUtf8('Configure...'), self._configure)
+
+        self.dirMenu = QMenu(self)
+        if self.project.getProjectType() in \
+                ["Qt4", "Qt4C", "E4Plugin", "PySide", "PySideC"]:
+            act = self.dirMenu.addAction(self.trUtf8('Generate all translations'), 
+                self.__generateAll)
+            self.tsprocDirMenuActions.append(act)
+            act = self.dirMenu.addAction(\
+                self.trUtf8('Generate all translations (with obsolete)'), 
+                self.__generateObsoleteAll)
+            self.tsprocDirMenuActions.append(act)
+            act = self.dirMenu.addAction(self.trUtf8('Release all translations'), 
+                self.__releaseAll)
+            self.qmprocDirMenuActions.append(act)
+            self.dirMenu.addSeparator()
+            act = self.dirMenu.addAction(self.trUtf8('Preview all translations'), 
+                self.__TRPreview)
+        else:
+            if self.hooks["extractMessages"] is not None:
+                act = self.dirMenu.addAction(
+                    self.hooksMenuEntries.get("extractMessages", 
+                        self.trUtf8('Extract messages')), 
+                    self.__extractMessages)
+                self.dirMenuActions.append(act)
+                self.dirMenu.addSeparator()
+            if self.hooks["generateAll"] is not None:
+                act = self.dirMenu.addAction(
+                    self.hooksMenuEntries.get("generateAll", 
+                        self.trUtf8('Generate all translations')), 
+                    self.__generateAll)
+                self.tsprocDirMenuActions.append(act)
+            if self.hooks["generateAllWithObsolete"] is not None:
+                act = self.dirMenu.addAction(
+                    self.hooksMenuEntries.get("generateAllWithObsolete", 
+                        self.trUtf8('Generate all translations (with obsolete)')), 
+                    self.__generateObsoleteAll)
+                self.tsprocDirMenuActions.append(act)
+            if self.hooks["releaseAll"] is not None:
+                act = self.dirMenu.addAction(
+                    self.hooksMenuEntries.get("releaseAll", 
+                        self.trUtf8('Release all translations')), 
+                    self.__releaseAll)
+                self.qmprocDirMenuActions.append(act)
+        self.dirMenu.addSeparator()
+        self.dirMenu.addAction(self.trUtf8('Add translation...'), 
+            self.project.addLanguage)
+        self.dirMenu.addAction(self.trUtf8('Add translation files...'), 
+            self.__addTranslationFiles)
+        self.dirMenu.addSeparator()
+        self.dirMenu.addAction(self.trUtf8('Copy Path to Clipboard'), 
+            self._copyToClipboard)
+        self.dirMenu.addSeparator()
+        self.dirMenu.addAction(self.trUtf8('Configure...'), self._configure)
+        
+        self.dirMultiMenu = None
+        
+        self.connect(self.menu, SIGNAL('aboutToShow()'),
+            self.__showContextMenu)
+        self.connect(self.multiMenu, SIGNAL('aboutToShow()'),
+            self.__showContextMenuMulti)
+        self.connect(self.dirMenu, SIGNAL('aboutToShow()'),
+            self.__showContextMenuDir)
+        self.connect(self.backMenu, SIGNAL('aboutToShow()'),
+            self.__showContextMenuBack)
+        self.mainMenu = self.menu
+        
+    def _contextMenuRequested(self, coord):
+        """
+        Protected slot to show the context menu.
+        
+        @param coord the position of the mouse pointer (QPoint)
+        """
+        if not self.project.isOpen():
+            return
+        
+        try:
+            categories = self.getSelectedItemsCountCategorized(\
+                [ProjectBrowserFileItem, ProjectBrowserSimpleDirectoryItem])
+            cnt = categories["sum"]
+            if cnt <= 1:
+                index = self.indexAt(coord)
+                if index.isValid():
+                    self._selectSingleItem(index)
+                    categories = self.getSelectedItemsCountCategorized(\
+                        [ProjectBrowserFileItem, ProjectBrowserSimpleDirectoryItem])
+                    cnt = categories["sum"]
+                        
+            bfcnt = categories[unicode(ProjectBrowserFileItem)]
+            sdcnt = categories[unicode(ProjectBrowserSimpleDirectoryItem)]
+            if cnt > 1 and cnt == bfcnt:
+                self.multiMenu.popup(self.mapToGlobal(coord))
+            else:
+                index = self.indexAt(coord)
+                if cnt == 1 and index.isValid():
+                    if bfcnt == 1:
+                        self.menu.popup(self.mapToGlobal(coord))
+                    elif sdcnt == 1:
+                        self.dirMenu.popup(self.mapToGlobal(coord))
+                    else:
+                        self.backMenu.popup(self.mapToGlobal(coord))
+                else:
+                    self.backMenu.popup(self.mapToGlobal(coord))
+        except:
+            pass
+        
+    def __showContextMenu(self):
+        """
+        Private slot called by the menu aboutToShow signal.
+        """
+        if self.project.getProjectType() in \
+                ["Qt4", "Qt4C", "E4Plugin", "PySide", "PySideC"]:
+            tsFiles = 0
+            qmFiles = 0
+            itmList = self.getSelectedItems()
+            for itm in itmList[:]:
+                if itm.fileName().endswith('.ts'):
+                    tsFiles += 1
+                elif itm.fileName().endswith('.qm'):
+                    qmFiles += 1
+            if (tsFiles > 0 and qmFiles > 0) or \
+               (tsFiles == 0 and qmFiles == 0):
+                for act in self.tsMenuActions + self.qmMenuActions:
+                    act.setEnabled(False)
+            elif tsFiles > 0:
+                for act in self.tsMenuActions:
+                    act.setEnabled(True)
+                for act in self.qmMenuActions:
+                    act.setEnabled(False)
+            elif qmFiles > 0:
+                for act in self.tsMenuActions:
+                    act.setEnabled(False)
+                for act in self.qmMenuActions:
+                    act.setEnabled(True)
+            if self.pylupdateProcRunning:
+                for act in self.tsprocMenuActions:
+                    act.setEnabled(False)
+            if self.lreleaseProcRunning:
+                for act in self.qmprocMenuActions:
+                    act.setEnabled(True)
+        
+        ProjectBaseBrowser._showContextMenu(self, self.menu)
+        
+        self.emit(SIGNAL("showMenu"), "Main", self.menu)
+        
+    def __showContextMenuMulti(self):
+        """
+        Private slot called by the multiMenu aboutToShow signal.
+        """
+        if self.project.getProjectType() in \
+                ["Qt4", "Qt4C", "E4Plugin", "PySide", "PySideC"]:
+            tsFiles = 0
+            qmFiles = 0
+            itmList = self.getSelectedItems()
+            for itm in itmList[:]:
+                if itm.fileName().endswith('.ts'):
+                    tsFiles += 1
+                elif itm.fileName().endswith('.qm'):
+                    qmFiles += 1
+            if (tsFiles > 0 and qmFiles > 0) or \
+               (tsFiles == 0 and qmFiles == 0):
+                for act in self.tsMultiMenuActions + self.qmMultiMenuActions:
+                    act.setEnabled(False)
+            elif tsFiles > 0:
+                for act in self.tsMultiMenuActions:
+                    act.setEnabled(True)
+                for act in self.qmMultiMenuActions:
+                    act.setEnabled(False)
+            elif qmFiles > 0:
+                for act in self.tsMultiMenuActions:
+                    act.setEnabled(False)
+                for act in self.qmMultiMenuActions:
+                    act.setEnabled(True)
+            if self.pylupdateProcRunning:
+                for act in self.tsprocMultiMenuActions:
+                    act.setEnabled(False)
+            if self.lreleaseProcRunning:
+                for act in self.qmprocMultiMenuActions:
+                    act.setEnabled(True)
+        
+        ProjectBaseBrowser._showContextMenuMulti(self, self.multiMenu)
+        
+        self.emit(SIGNAL("showMenu"), "MainMulti", self.multiMenu)
+        
+    def __showContextMenuDir(self):
+        """
+        Private slot called by the dirMenu aboutToShow signal.
+        """
+        if self.project.getProjectType() in \
+                ["Qt4", "Qt4C", "E4Plugin", "PySide", "PySideC"]:
+            if self.pylupdateProcRunning:
+                for act in self.tsprocDirMenuActions:
+                    act.setEnabled(False)
+            if self.lreleaseProcRunning:
+                for act in self.qmprocDirMenuActions:
+                    act.setEnabled(True)
+        
+        ProjectBaseBrowser._showContextMenuDir(self, self.dirMenu)
+        
+        self.emit(SIGNAL("showMenu"), "MainDir", self.dirMenu)
+        
+    def __showContextMenuBack(self):
+        """
+        Private slot called by the backMenu aboutToShow signal.
+        """
+        if self.project.getProjectType() in \
+                ["Qt4", "Qt4C", "E4Plugin", "PySide", "PySideC"]:
+            if self.pylupdateProcRunning:
+                for act in self.tsprocBackMenuActions:
+                    act.setEnabled(False)
+            if self.lreleaseProcRunning:
+                for act in self.qmprocBackMenuActions:
+                    act.setEnabled(True)
+        
+        self.emit(SIGNAL("showMenu"), "MainBack", self.backMenu)
+        
+    def __addTranslationFiles(self):
+        """
+        Private method to add translation files to the project.
+        """
+        itm = self.model().item(self.currentIndex())
+        if isinstance(itm, ProjectBrowserFileItem):
+            dn = os.path.dirname(itm.fileName())
+        elif isinstance(itm, ProjectBrowserSimpleDirectoryItem) or \
+             isinstance(itm, ProjectBrowserDirectoryItem):
+            dn = itm.dirName()
+        else:
+            dn = None
+        self.project.addFiles('translation', dn)
+        
+    def _openItem(self):
+        """
+        Protected slot to handle the open popup menu entry.
+        """
+        itmList = self.getSelectedItems()
+        for itm in itmList:
+            if isinstance(itm, ProjectBrowserFileItem):
+                if itm.isLinguistFile():
+                    if itm.fileExt() == '.ts':
+                        self.emit(SIGNAL('linguistFile'), itm.fileName())
+                    else:
+                        self.emit(SIGNAL('trpreview'), [itm.fileName()])
+                else:
+                    self.emit(SIGNAL('sourceFile'), itm.fileName())
+        
+    def __openFileInEditor(self):
+        """
+        Private slot to handle the Open in Editor menu action.
+        """
+        itmList = self.getSelectedItems()
+        for itm in itmList[:]:
+            self.emit(SIGNAL('sourceFile'), itm.fileName())
+        
+    def __removeLanguageFile(self):
+        """
+        Private method to remove a translation from the project.
+        """
+        itmList = self.getSelectedItems()
+        
+        for itm in itmList[:]:
+            fn = itm.fileName()
+            self.emit(SIGNAL('closeSourceWindow'), fn)
+            self.project.removeLanguageFile(fn)
+        
+    def __deleteLanguageFile(self):
+        """
+        Private method to delete a translation file from the project.
+        """
+        itmList = self.getSelectedItems()
+        
+        translationFiles = [itm.fileName() for itm in itmList]
+        
+        dlg = DeleteFilesConfirmationDialog(self.parent(),
+            self.trUtf8("Delete translation files"),
+            self.trUtf8("Do you really want to delete these translation files"
+                " from the project?"),
+            translationFiles)
+        
+        if dlg.exec_() == QDialog.Accepted:
+            for fn in translationFiles:
+                self.emit(SIGNAL('closeSourceWindow'), fn)
+                self.project.deleteLanguageFile(fn)
+        
+    def __TRPreview(self, previewAll = False):
+        """
+        Private slot to handle the Preview translations action.
+        
+        @param previewAll flag indicating, that all translations
+            should be previewed (boolean)
+        """
+        fileNames = []
+        itmList = self.getSelectedItems()
+        if itmList and not previewAll:
+            for itm in itmList:
+                if isinstance(itm, ProjectBrowserSimpleDirectoryItem):
+                    dname = itm.dirName().replace(self.project.ppath+os.sep, '')
+                    trfiles = self.project.pdata["TRANSLATIONS"][:]
+                    trfiles.sort()
+                    for trfile in trfiles:
+                        if trfile.startswith(dname):
+                            if trfile not in fileNames:
+                                fileNames.append(os.path.join(self.project.ppath, trfile))
+                else:
+                    fn = itm.fileName()
+                    if fn not in fileNames:
+                        fileNames.append(os.path.join(self.project.ppath, fn))
+        else:
+            trfiles = self.project.pdata["TRANSLATIONS"][:]
+            trfiles.sort()
+            fileNames.extend([os.path.join(self.project.ppath, trfile) \
+                              for trfile in trfiles \
+                              if trfile.endswith('.qm')])
+        self.emit(SIGNAL('trpreview'), fileNames, True)
+        
+    def __TRPreviewAll(self):
+        """
+        Private slot to handle the Preview all translations action.
+        """
+        self.__TRPreview(True)
+    
+    ############################################################################
+    ##  Methods to support the generation and release commands
+    ############################################################################
+    
+    def __writeTempProjectFile(self, langs, filter):
+        """
+        Private method to write a temporary project file suitable for pylupdate and
+        lrelease.
+        
+        @param langs list of languages to include in the process. An empty list (default) 
+            means that all translations should be included. 
+            (list of ProjectBrowserFileItem)
+        @param filter list of source file extension that should be considered
+            (list of strings)
+        @return flag indicating success
+        """
+        path, ext = os.path.splitext(self.project.pfile)
+        pfile = '%s_e4x.pro' % path
+        
+        # only consider files satisfying the filter criteria
+        _sources = [s for s in self.project.pdata["SOURCES"] \
+                   if os.path.splitext(s)[1] in filter]
+        sources = []
+        for s in _sources:
+            addIt = True
+            for transExcept in self.project.pdata["TRANSLATIONEXCEPTIONS"]:
+                if s.startswith(transExcept):
+                    addIt = False
+                    break
+            if addIt:
+                sources.append(s)
+        sections = [("SOURCES", sources)]
+        
+        _forms = [f for f in self.project.pdata["FORMS"] if f.endswith('.ui')]
+        forms = []
+        for f in _forms:
+            addIt = True
+            for transExcept in self.project.pdata["TRANSLATIONEXCEPTIONS"]:
+                if f.startswith(transExcept):
+                    addIt = False
+                    break
+            if addIt:
+                forms.append(f)
+        sections.append(("FORMS", forms))
+        
+        if langs:
+            l = [lang.fileName().replace(self.project.ppath + os.sep, '') \
+                 for lang in langs if lang.fileName().endswith('.ts')]
+        else:
+            try:
+                pattern = self.project.pdata["TRANSLATIONPATTERN"][0]\
+                          .replace("%language%", "*")
+                l = [lang for lang in self.project.pdata["TRANSLATIONS"] \
+                     if fnmatch.fnmatch(lang, pattern)]
+            except IndexError:
+                l = []
+        if l:
+            sections.append(("TRANSLATIONS", l))
+        else:
+            QMessageBox.warning(None,
+                self.trUtf8("Write temporary project file"),
+                self.trUtf8("""No translation files (*.ts) selected."""),
+                QMessageBox.StandardButtons(\
+                    QMessageBox.Abort))
+            return False
+        
+        try:
+            pf = open(pfile, "wb")
+            for key, list in sections:
+                if len(list) > 0:
+                    pf.write('%s = ' % key)
+                    last = len(list) - 1
+                    if last > 0:
+                        pf.write('%s \\%s' % \
+                            (list[0].replace(os.sep, '/'), os.linesep))
+                        for i in range(1, last):
+                            pf.write('\t%s \\%s' % \
+                                (list[i].replace(os.sep, '/'), os.linesep))
+                        pf.write('\t%s %s%s' % \
+                            (list[last].replace(os.sep, '/'), os.linesep, os.linesep))
+                    else:
+                        pf.write('%s %s%s' % \
+                            (list[0].replace(os.sep, '/'), os.linesep, os.linesep))
+                
+            pf.close()
+            self.tmpProject = pfile
+            return True
+        except IOError:
+            QMessageBox.critical(None,
+                self.trUtf8("Write temporary project file"),
+                self.trUtf8("<p>The temporary project file <b>{0}</b> could not"
+                    " be written.</p>").format(pfile),
+                QMessageBox.StandardButtons(\
+                    QMessageBox.Abort))
+            self.tmpProject = None
+            return False
+        
+    def __readStdoutLupdate(self):
+        """
+        Private slot to handle the readyReadStandardOutput signal of the 
+        pylupdate process.
+        """
+        if self.pylupdateProc is not None:
+            self.__readStdout(self.pylupdateProc, '%s: ' % self.pylupdate)
+        else:
+            return
+        
+    def __readStdoutLrelease(self):
+        """
+        Private slot to handle the readyReadStandardOutput signal of the 
+        lrelease process.
+        """
+        if self.lreleaseProc is not None:
+            self.__readStdout(self.lreleaseProc, 'lrelease: ')
+        else:
+            return
+        
+    def __readStdout(self, proc, ps):
+        """
+        Private method to read from a process' stdout channel.
+        
+        @param proc process to read from (QProcess)
+        @param ps prompt string (string)
+        """
+        ioEncoding = str(Preferences.getSystem("IOEncoding"))
+        
+        proc.setReadChannel(QProcess.StandardOutput)
+        while proc and proc.canReadLine():
+            s = ps
+            output = unicode(proc.readLine(), ioEncoding, 'replace')
+            s += output
+            self.emit(SIGNAL('appendStdout'), s)
+        
+    def __readStderrLupdate(self):
+        """
+        Private slot to handle the readyReadStandardError signal of the 
+        pylupdate process.
+        """
+        if self.pylupdateProc is not None:
+            self.__readStderr(self.pylupdateProc, '%s: ' % self.pylupdate)
+        else:
+            return
+        
+    def __readStderrLrelease(self):
+        """
+        Private slot to handle the readyReadStandardError signal of the 
+        lrelease process.
+        """
+        if self.lreleaseProc is not None:
+            self.__readStderr(self.lreleaseProc, 'lrelease: ')
+        else:
+            return
+        
+    def __readStderr(self, proc, ps):
+        """
+        Private method to read from a process' stderr channel.
+        
+        @param proc process to read from (QProcess)
+        @param ps propmt string (string)
+        """
+        ioEncoding = str(Preferences.getSystem("IOEncoding"))
+        
+        proc.setReadChannel(QProcess.StandardError)
+        while proc and proc.canReadLine():
+            s = ps
+            error = unicode(proc.readLine(), ioEncoding, 'replace')
+            s += error
+            self.emit(SIGNAL('appendStderr'), s)
+    
+    ############################################################################
+    ##  Methods for the generation commands
+    ############################################################################
+    
+    def __extractMessages(self):
+        """
+        Private slot to extract the messages to form a messages template file.
+        """
+        if self.hooks["extractMessages"] is not None:
+            self.hooks["extractMessages"]()
+        
+    def __generateTSFileDone(self, exitCode, exitStatus):
+        """
+        Private slot to handle the finished signal of the pylupdate process.
+        
+        @param exitCode exit code of the process (integer)
+        @param exitStatus exit status of the process (QProcess.ExitStatus)
+        """
+        self.pylupdateProcRunning = False
+        if exitStatus == QProcess.NormalExit and exitCode == 0:
+            QMessageBox.information(None,
+                self.trUtf8("Translation file generation"),
+                self.trUtf8("The generation of the translation files (*.ts)"
+                    " was successful."))
+        else:
+            QMessageBox.critical(None,
+                self.trUtf8("Translation file generation"),
+                self.trUtf8("The generation of the translation files (*.ts) has failed."))
+        self.pylupdateProc = None
+        self.pylupdate = ""
+        try:
+            os.remove(self.tmpProject)
+        except EnvironmentError:
+            pass
+        self.tmpProject = None
+        
+    def __generateTSFile(self, noobsolete = False, generateAll = True):
+        """
+        Private method used to run pylupdate/pylupdate4 to generate the .ts files.
+        
+        @param noobsolete flag indicating whether obsolete entries should be 
+            kept (boolean)
+        @param generateAll flag indicating whether all translations should be 
+            generated (boolean)
+        """
+        if generateAll:
+            langs = []
+        else:
+            langs = self.getSelectedItems()
+        
+        # Hook support
+        if generateAll:
+            if noobsolete:
+                if self.hooks["generateAll"] is not None:
+                    self.hooks["generateAll"](self.project.pdata["TRANSLATIONS"])
+                    return
+            else:
+                if self.hooks["generateAllWithObsolete"] is not None:
+                    self.hooks["generateAllWithObsolete"](
+                        self.project.pdata["TRANSLATIONS"])
+                    return
+        else:
+            if noobsolete:
+                if self.hooks["generateSelected"] is not None:
+                    l = [lang.fileName().replace(self.project.ppath + os.sep, '') \
+                         for lang in langs]
+                    self.hooks["generateSelected"](l)
+                    return
+            else:
+                if self.hooks["generateSelectedWithObsolete"] is not None:
+                    l = [lang.fileName().replace(self.project.ppath + os.sep, '') \
+                         for lang in langs]
+                    self.hooks["generateSelectedWithObsolete"](l)
+                    return
+        
+        # generate a minimal temporary projectfile suitable for pylupdate
+        if self.project.pdata["PROGLANGUAGE"][0] in ["Python", "Python3"]:
+            ok = self.__writeTempProjectFile(langs, [".py"])
+        else:
+            ok = False
+        if not ok:
+            return
+        
+        self.pylupdateProc = QProcess()
+        args = []
+        
+        if self.project.getProjectType() in ["Qt4", "Qt4C", "E4Plugin"]:
+            self.pylupdate = 'pylupdate4'
+        elif self.project.getProjectType() in ["PySide", "PySideC"]:
+            self.pylupdate = 'pyside-lupdate'
+        else:
+            return
+        if Utilities.isWindowsPlatform():
+            self.pylupdate = self.pylupdate + '.exe'
+        
+        if noobsolete:
+            args.append('-noobsolete')
+        
+        args.append('-verbose')
+        args.append(self.tmpProject)
+        self.pylupdateProc.setWorkingDirectory(self.project.ppath)
+        self.connect(self.pylupdateProc, SIGNAL('finished(int, QProcess::ExitStatus)'), 
+            self.__generateTSFileDone)
+        self.connect(self.pylupdateProc, SIGNAL('readyReadStandardOutput()'), 
+            self.__readStdoutLupdate)
+        self.connect(self.pylupdateProc, SIGNAL('readyReadStandardError()'), 
+            self.__readStderrLupdate)
+        
+        self.pylupdateProc.start(self.pylupdate, args)
+        procStarted = self.pylupdateProc.waitForStarted()
+        if procStarted:
+            self.pylupdateProcRunning = True
+        else:
+            QMessageBox.critical(self,
+                self.trUtf8('Process Generation Error'),
+                self.trUtf8(
+                    'Could not start {0}.<br>'
+                    'Ensure that it is in the search path.'
+                ).format(self.pylupdate))
+        
+    def __generateAll(self):
+        """
+        Private method to generate all translation files (.ts) for Qt Linguist.
+        
+        All obsolete strings are removed from the .ts file.
+        """
+        self.__generateTSFile(noobsolete = True, generateAll = True)
+        
+    def __generateObsoleteAll(self):
+        """
+        Private method to generate all translation files (.ts) for Qt Linguist.
+        
+        Obsolete strings are kept.
+        """
+        self.__generateTSFile(noobsolete = False, generateAll = True)
+        
+    def __generateSelected(self):
+        """
+        Private method to generate selected translation files (.ts) for Qt Linguist.
+        
+        All obsolete strings are removed from the .ts file.
+        """
+        self.__generateTSFile(noobsolete = True, generateAll = False)
+        
+    def __generateObsoleteSelected(self):
+        """
+        Private method to generate selected translation files (.ts) for Qt Linguist.
+        
+        Obsolete strings are kept.
+        """
+        self.__generateTSFile(noobsolete = False, generateAll = False)
+    
+    ############################################################################
+    ##  Methods for the release commands
+    ############################################################################
+    
+    def __releaseTSFileDone(self, exitCode, exitStatus):
+        """
+        Private slot to handle the finished signal of the lrelease process.
+        """
+        self.lreleaseProcRunning = False
+        if exitStatus == QProcess.NormalExit and exitCode == 0:
+            QMessageBox.information(None,
+                self.trUtf8("Translation file release"),
+                self.trUtf8("The release of the translation files (*.qm)"
+                    " was successful."))
+            if self.project.pdata["TRANSLATIONSBINPATH"]:
+                target = os.path.join(self.project.ppath, 
+                                      self.project.pdata["TRANSLATIONSBINPATH"][0])
+                for langFile in self.project.pdata["TRANSLATIONS"][:]:
+                    if langFile.endswith('.ts'):
+                        qmFile = os.path.join(self.project.ppath,
+                                              langFile.replace('.ts', '.qm'))
+                        if os.path.exists(qmFile):
+                            shutil.move(qmFile, target)
+        else:
+            QMessageBox.critical(None,
+                self.trUtf8("Translation file release"),
+                self.trUtf8("The release of the translation files (*.qm) has failed."))
+        self.lreleaseProc = None
+        try:
+            os.remove(self.tmpProject)
+        except EnvironmentError:
+            pass
+        self.tmpProject = None
+        self.project.checkLanguageFiles()
+        
+    def __releaseTSFile(self, generateAll = False):
+        """
+        Private method to run lrelease to release the translation files (.qm).
+        
+        @param generateAll flag indicating whether all translations should be
+            released (boolean)
+        """
+        if generateAll:
+            langs = []
+        else:
+            langs = self.getSelectedItems()
+        
+        # Hooks support
+        if generateAll:
+            if self.hooks["releaseAll"] is not None:
+                self.hooks["releaseAll"](self.project.pdata["TRANSLATIONS"])
+                return
+        else:
+            if self.hooks["releaseSelected"] is not None:
+                l = [lang.fileName().replace(self.project.ppath+os.sep, '') \
+                     for lang in langs]
+                self.hooks["releaseSelected"](l)
+                return
+        
+        # generate a minimal temporary projectfile suitable for lrelease
+        if self.project.pdata["PROGLANGUAGE"][0] in ["Python", "Python3"]:
+            ok = self.__writeTempProjectFile(langs, [".py"])
+        else:
+            ok = False
+        if not ok:
+            return
+        
+        self.lreleaseProc = QProcess()
+        args = []
+        
+        if self.project.getProjectType() in \
+                ["Qt4", "Qt4C", "E4Plugin", "PySide", "PySideC"]:
+            lrelease = Utilities.generateQtToolName("lrelease")
+        else:
+            return
+        if Utilities.isWindowsPlatform():
+            lrelease = lrelease + '.exe'
+        
+        args.append('-verbose')
+        args.append(self.tmpProject)
+        self.lreleaseProc.setWorkingDirectory(self.project.ppath)
+        self.connect(self.lreleaseProc, SIGNAL('finished(int, QProcess::ExitStatus)'), 
+            self.__releaseTSFileDone)
+        self.connect(self.lreleaseProc, SIGNAL('readyReadStandardOutput()'), 
+            self.__readStdoutLrelease)
+        self.connect(self.lreleaseProc, SIGNAL('readyReadStandardError()'), 
+            self.__readStderrLrelease)
+        
+        self.lreleaseProc.start(lrelease, args)
+        procStarted = self.lreleaseProc.waitForStarted()
+        if procStarted:
+            self.lreleaseProcRunning = True
+        else:
+            QMessageBox.critical(self,
+                self.trUtf8('Process Generation Error'),
+                self.trUtf8(
+                    '<p>Could not start lrelease.<br>'
+                    'Ensure that it is available as <b>{0}</b>.</p>'
+                ).format(lrelease))
+        
+    def __releaseSelected(self):
+        """
+        Private method to release the translation files (.qm).
+        """
+        self.__releaseTSFile(generateAll = False)
+        
+    def __releaseAll(self):
+        """
+        Private method to release the translation files (.qm).
+        """
+        self.__releaseTSFile(generateAll = True)
+    
+    ############################################################################
+    ## Support for hooks below
+    ############################################################################
+    
+    def _initHookMethods(self):
+        """
+        Protected method to initialize the hooks dictionary.
+        
+        Supported hook methods are:
+        <ul>
+        <li>extractMessages: takes no parameters</li>
+        <li>generateAll: takes list of filenames as parameter</li>
+        <li>generateAllWithObsolete: takes list of filenames as parameter</li>
+        <li>generateSelected: takes list of filenames as parameter</li>
+        <li>generateSelectedWithObsolete: takes list of filenames as parameter</li>
+        <li>releaseAll: takes list of filenames as parameter</li>
+        <li>releaseSelected: takes list of filenames as parameter</li>
+        </ul>
+        
+        <b>Note</b>: Filenames are relative to the project directory.
+        """
+        self.hooks = {
+            "extractMessages"               : None, 
+            "generateAll"                   : None, 
+            "generateAllWithObsolete"       : None, 
+            "generateSelected"              : None, 
+            "generateSelectedWithObsolete"  : None, 
+            "releaseAll"                    : None, 
+            "releaseSelected"               : None, 
+        }

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