--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Tools/TRPreviewer.py Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,861 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2004 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the TR Previewer main window.
+"""
+
+import sys
+import os
+
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+from PyQt4 import uic
+
+from TRSingleApplication import TRSingleApplicationServer
+
+import Preferences
+import UI.PixmapCache
+import UI.Config
+
+
+noTranslationName = QApplication.translate("TRPreviewer", "<No translation>")
+
+class TRPreviewer(QMainWindow):
+ """
+ Class implementing the UI Previewer main window.
+ """
+ def __init__(self, filenames = [], parent = None, name = None):
+ """
+ Constructor
+
+ @param filenames filenames of form and/or translation files to load
+ @param parent parent widget of this window (QWidget)
+ @param name name of this window (string)
+ """
+ self.mainWidget = None
+ self.currentFile = QDir.currentPath()
+
+ QMainWindow.__init__(self, parent)
+ if not name:
+ self.setObjectName("TRPreviewer")
+ else:
+ self.setObjectName(name)
+ self.resize(QSize(800, 600).expandedTo(self.minimumSizeHint()))
+ self.setAttribute(Qt.WA_DeleteOnClose)
+ self.statusBar()
+
+ self.setWindowIcon(UI.PixmapCache.getIcon("eric.png"))
+ self.setWindowTitle(self.trUtf8("Translations Previewer"))
+
+ self.cw = QWidget(self)
+ self.cw.setObjectName("qt_central_widget")
+
+ self.TRPreviewerLayout = QVBoxLayout(self.cw)
+ self.TRPreviewerLayout.setMargin(6)
+ self.TRPreviewerLayout.setSpacing(6)
+ self.TRPreviewerLayout.setObjectName("TRPreviewerLayout")
+
+ self.languageLayout = QHBoxLayout()
+ self.languageLayout.setMargin(0)
+ self.languageLayout.setSpacing(6)
+ self.languageLayout.setObjectName("languageLayout")
+
+ self.languageLabel = QLabel(self.trUtf8("Select language file"), self.cw)
+ self.languageLabel.setObjectName("languageLabel")
+ self.languageLayout.addWidget(self.languageLabel)
+
+ self.languageCombo = QComboBox(self.cw)
+ self.languageCombo.setObjectName("languageCombo")
+ self.languageCombo.setEditable(False)
+ self.languageCombo.setToolTip(self.trUtf8("Select language file"))
+ self.languageCombo.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)
+ self.languageLayout.addWidget(self.languageCombo)
+
+ languageSpacer = QSpacerItem(40, 20, QSizePolicy.Expanding, QSizePolicy.Minimum)
+ self.languageLayout.addItem(languageSpacer)
+ self.TRPreviewerLayout.addLayout(self.languageLayout)
+
+ self.preview = WidgetWorkspace(self.cw)
+ self.preview.setObjectName("preview")
+ self.TRPreviewerLayout.addWidget(self.preview)
+ self.connect(self.preview, SIGNAL('lastWidgetClosed'), self.__updateActions)
+
+ self.setCentralWidget(self.cw)
+
+ self.connect(self.languageCombo,SIGNAL("activated(const QString&)"),
+ self.setTranslation)
+
+ self.translations = TranslationsDict(self.languageCombo, self)
+ self.connect(self.translations, SIGNAL('translationChanged'),
+ self.preview, SIGNAL('rebuildWidgets'))
+
+ self.__initActions()
+ self.__initMenus()
+ self.__initToolbars()
+
+ self.__updateActions()
+
+ # fire up the single application server
+ self.SAServer = TRSingleApplicationServer(self)
+ self.connect(self.SAServer, SIGNAL('loadForm'), self.preview.loadWidget)
+ self.connect(self.SAServer, SIGNAL('loadTranslation'), self.translations.add)
+
+ # defere loading of a UI file until we are shown
+ self.filesToLoad = filenames[:]
+
+ def show(self):
+ """
+ Public slot to show this dialog.
+
+ This overloaded slot loads a UI file to be previewed after
+ the main window has been shown. This way, previewing a dialog
+ doesn't interfere with showing the main window.
+ """
+ QMainWindow.show(self)
+ if self.filesToLoad:
+ filenames, self.filesToLoad = (self.filesToLoad[:], [])
+ first = True
+ for fn in filenames:
+ fi = QFileInfo(fn)
+ if fi.suffix().lower() == 'ui':
+ self.preview.loadWidget(fn)
+ elif fi.suffix().lower()== 'qm':
+ self.translations.add(fn, first)
+ first = False
+
+ self.__updateActions()
+
+ def closeEvent(self, event):
+ """
+ Private event handler for the close event.
+
+ @param event close event (QCloseEvent)
+ """
+ if self.SAServer is not None:
+ self.SAServer.shutdown()
+ self.SAServer = None
+ event.accept()
+
+ def __initActions(self):
+ """
+ Private method to define the user interface actions.
+ """
+ self.openUIAct = QAction(UI.PixmapCache.getIcon("openUI.png"),
+ self.trUtf8('&Open UI Files...'), self)
+ self.openUIAct.setStatusTip(self.trUtf8('Open UI files for display'))
+ self.openUIAct.setWhatsThis(self.trUtf8(
+ """<b>Open UI Files</b>"""
+ """<p>This opens some UI files for display.</p>"""
+ ))
+ self.connect(self.openUIAct, SIGNAL('triggered()'), self.__openWidget)
+
+ self.openQMAct = QAction(UI.PixmapCache.getIcon("openQM.png"),
+ self.trUtf8('Open &Translation Files...'), self)
+ self.openQMAct.setStatusTip(self.trUtf8('Open Translation files for display'))
+ self.openQMAct.setWhatsThis(self.trUtf8(
+ """<b>Open Translation Files</b>"""
+ """<p>This opens some translation files for display.</p>"""
+ ))
+ self.connect(self.openQMAct, SIGNAL('triggered()'), self.__openTranslation)
+
+ self.reloadAct = QAction(UI.PixmapCache.getIcon("reload.png"),
+ self.trUtf8('&Reload Translations'), self)
+ self.reloadAct.setStatusTip(self.trUtf8('Reload the loaded translations'))
+ self.reloadAct.setWhatsThis(self.trUtf8(
+ """<b>Reload Translations</b>"""
+ """<p>This reloads the translations for the loaded languages.</p>"""
+ ))
+ self.connect(self.reloadAct, SIGNAL('triggered()'), self.translations.reload)
+
+ self.exitAct = QAction(UI.PixmapCache.getIcon("exit.png"),
+ self.trUtf8('&Quit'), self)
+ self.exitAct.setShortcut(QKeySequence(self.trUtf8("Ctrl+Q","File|Quit")))
+ self.exitAct.setStatusTip(self.trUtf8('Quit the application'))
+ self.exitAct.setWhatsThis(self.trUtf8(
+ """<b>Quit</b>"""
+ """<p>Quit the application.</p>"""
+ ))
+ self.connect(self.exitAct, SIGNAL('triggered()'),
+ qApp, SLOT('closeAllWindows()'))
+
+ self.whatsThisAct = QAction(UI.PixmapCache.getIcon("whatsThis.png"),
+ self.trUtf8('&What\'s This?'), self)
+ self.whatsThisAct.setShortcut(QKeySequence(self.trUtf8("Shift+F1")))
+ self.whatsThisAct.setStatusTip(self.trUtf8('Context sensitive help'))
+ self.whatsThisAct.setWhatsThis(self.trUtf8(
+ """<b>Display context sensitive help</b>"""
+ """<p>In What's This? mode, the mouse cursor shows an arrow with a"""
+ """ question mark, and you can click on the interface elements to get"""
+ """ a short description of what they do and how to use them. In"""
+ """ dialogs, this feature can be accessed using the context help"""
+ """ button in the titlebar.</p>"""
+ ))
+ self.connect(self.whatsThisAct,SIGNAL('triggered()'),self.__whatsThis)
+
+ self.aboutAct = QAction(self.trUtf8('&About'), self)
+ self.aboutAct.setStatusTip(self.trUtf8('Display information about this software'))
+ self.aboutAct.setWhatsThis(self.trUtf8(
+ """<b>About</b>"""
+ """<p>Display some information about this software.</p>"""
+ ))
+ self.connect(self.aboutAct,SIGNAL('triggered()'),self.__about)
+
+ self.aboutQtAct = QAction(self.trUtf8('About &Qt'), self)
+ self.aboutQtAct.setStatusTip(\
+ self.trUtf8('Display information about the Qt toolkit'))
+ self.aboutQtAct.setWhatsThis(self.trUtf8(
+ """<b>About Qt</b>"""
+ """<p>Display some information about the Qt toolkit.</p>"""
+ ))
+ self.connect(self.aboutQtAct,SIGNAL('triggered()'),self.__aboutQt)
+
+ self.tileAct = QAction(self.trUtf8('&Tile'), self)
+ self.tileAct.setStatusTip(self.trUtf8('Tile the windows'))
+ self.tileAct.setWhatsThis(self.trUtf8(
+ """<b>Tile the windows</b>"""
+ """<p>Rearrange and resize the windows so that they are tiled.</p>"""
+ ))
+ self.connect(self.tileAct, SIGNAL('triggered()'),self.preview.tile)
+
+ self.cascadeAct = QAction(self.trUtf8('&Cascade'), self)
+ self.cascadeAct.setStatusTip(self.trUtf8('Cascade the windows'))
+ self.cascadeAct.setWhatsThis(self.trUtf8(
+ """<b>Cascade the windows</b>"""
+ """<p>Rearrange and resize the windows so that they are cascaded.</p>"""
+ ))
+ self.connect(self.cascadeAct, SIGNAL('triggered()'),self.preview.cascade)
+
+ self.closeAct = QAction(UI.PixmapCache.getIcon("close.png"),
+ self.trUtf8('&Close'), self)
+ self.closeAct.setShortcut(QKeySequence(self.trUtf8("Ctrl+W","File|Close")))
+ self.closeAct.setStatusTip(self.trUtf8('Close the current window'))
+ self.closeAct.setWhatsThis(self.trUtf8(
+ """<b>Close Window</b>"""
+ """<p>Close the current window.</p>"""
+ ))
+ self.connect(self.closeAct, SIGNAL('triggered()'),self.preview.closeWidget)
+
+ self.closeAllAct = QAction(self.trUtf8('Clos&e All'), self)
+ self.closeAllAct.setStatusTip(self.trUtf8('Close all windows'))
+ self.closeAllAct.setWhatsThis(self.trUtf8(
+ """<b>Close All Windows</b>"""
+ """<p>Close all windows.</p>"""
+ ))
+ self.connect(self.closeAllAct, SIGNAL('triggered()'),
+ self.preview.closeAllWidgets)
+
+ def __initMenus(self):
+ """
+ Private method to create the menus.
+ """
+ mb = self.menuBar()
+
+ menu = mb.addMenu(self.trUtf8('&File'))
+ menu.setTearOffEnabled(True)
+ menu.addAction(self.openUIAct)
+ menu.addAction(self.openQMAct)
+ menu.addAction(self.reloadAct)
+ menu.addSeparator()
+ menu.addAction(self.closeAct)
+ menu.addAction(self.closeAllAct)
+ menu.addSeparator()
+ menu.addAction(self.exitAct)
+
+ self.windowMenu = mb.addMenu(self.trUtf8('&Window'))
+ self.windowMenu.setTearOffEnabled(True)
+ self.connect(self.windowMenu, SIGNAL('aboutToShow()'), self.__showWindowMenu)
+ self.connect(self.windowMenu, SIGNAL('triggered(QAction *)'),
+ self.preview.toggleSelectedWidget)
+
+ mb.addSeparator()
+
+ menu = mb.addMenu(self.trUtf8('&Help'))
+ menu.setTearOffEnabled(True)
+ menu.addAction(self.aboutAct)
+ menu.addAction(self.aboutQtAct)
+ menu.addSeparator()
+ menu.addAction(self.whatsThisAct)
+
+ def __initToolbars(self):
+ """
+ Private method to create the toolbars.
+ """
+ filetb = self.addToolBar(self.trUtf8("File"))
+ filetb.setIconSize(UI.Config.ToolBarIconSize)
+ filetb.addAction(self.openUIAct)
+ filetb.addAction(self.openQMAct)
+ filetb.addAction(self.reloadAct)
+ filetb.addSeparator()
+ filetb.addAction(self.closeAct)
+ filetb.addSeparator()
+ filetb.addAction(self.exitAct)
+
+ helptb = self.addToolBar(self.trUtf8("Help"))
+ helptb.setIconSize(UI.Config.ToolBarIconSize)
+ helptb.addAction(self.whatsThisAct)
+
+ def __whatsThis(self):
+ """
+ Private slot called in to enter Whats This mode.
+ """
+ QWhatsThis.enterWhatsThisMode()
+
+ def __updateActions(self):
+ """
+ Private slot to update the actions state.
+ """
+ if self.preview.hasWidgets():
+ self.closeAct.setEnabled(True)
+ self.closeAllAct.setEnabled(True)
+ self.tileAct.setEnabled(True)
+ self.cascadeAct.setEnabled(True)
+ else:
+ self.closeAct.setEnabled(False)
+ self.closeAllAct.setEnabled(False)
+ self.tileAct.setEnabled(False)
+ self.cascadeAct.setEnabled(False)
+
+ if self.translations.hasTranslations():
+ self.reloadAct.setEnabled(True)
+ else:
+ self.reloadAct.setEnabled(False)
+
+ def __about(self):
+ """
+ Private slot to show the about information.
+ """
+ QMessageBox.about(self, self.trUtf8("TR Previewer"), self.trUtf8(
+ """<h3> About TR Previewer </h3>"""
+ """<p>The TR Previewer loads and displays Qt User-Interface files"""
+ """ and translation files and shows dialogs for a selected language.</p>"""
+ ))
+
+ def __aboutQt(self):
+ """
+ Private slot to show info about Qt.
+ """
+ QMessageBox.aboutQt(self, self.trUtf8("TR Previewer"))
+
+ def __openWidget(self):
+ """
+ Private slot to handle the Open Dialog action.
+ """
+ fileNameList = QFileDialog.getOpenFileNames(
+ None,
+ self.trUtf8("Select UI files"),
+ "",
+ self.trUtf8("Qt User-Interface Files (*.ui)"))
+
+ for fileName in fileNameList:
+ self.preview.loadWidget(fileName)
+
+ self.__updateActions()
+
+ def __openTranslation(self):
+ """
+ Private slot to handle the Open Translation action.
+ """
+ fileNameList = QFileDialog.getOpenFileNames(
+ None,
+ self.trUtf8("Select translation files"),
+ "",
+ self.trUtf8("Qt Translation Files (*.qm)"))
+
+ first = True
+ for fileName in fileNameList:
+ self.translations.add(fileName, first)
+ first = False
+
+ self.__updateActions()
+
+ def setTranslation(self, name):
+ """
+ Public slot to activate a translation.
+
+ @param name name (language) of the translation (string or QString)
+ """
+ self.translations.set(name)
+
+ def __showWindowMenu(self):
+ """
+ Private slot to handle the aboutToShow signal of the window menu.
+ """
+ self.windowMenu.clear()
+ self.windowMenu.addAction(self.tileAct)
+ self.windowMenu.addAction(self.cascadeAct)
+ self.windowMenu.addSeparator()
+
+ self.preview.showWindowMenu(self.windowMenu)
+
+ def reloadTranslations(self):
+ """
+ Public slot to reload all translations.
+ """
+ self.translations.reload()
+
+class Translation(object):
+ """
+ Class to store the properties of a translation
+ """
+ def __init__(self):
+ """
+ Constructor
+ """
+ self.fileName = None
+ self.name = None
+ self.translator = None
+
+class TranslationsDict(QObject):
+ """
+ Class to store all loaded translations.
+
+ @signal translationChanged() emit after a translator was set
+ """
+ def __init__(self, selector, parent):
+ """
+ Constructor
+
+ @param selector reference to the QComboBox used to show the
+ available languages (QComboBox)
+ @param parent parent widget (QWidget)
+ """
+ QObject.__init__(self, parent)
+
+ self.selector = selector
+ self.currentTranslator = None
+ self.selector.addItem(noTranslationName)
+ self.translations = [] # list of Translation objects
+
+ def add(self, fileName, setTranslation = True):
+ """
+ Public method to add a translation to the list.
+
+ If the translation file (*.qm) has not been loaded yet, it will
+ be loaded automatically.
+
+ @param fileName name of the translation file to be added (string)
+ @param setTranslation flag indicating, if this should be set as the active
+ translation (boolean)
+ """
+ if not self.__haveFileName(fileName):
+ ntr = Translation()
+ ntr.fileName = fileName
+ ntr.name = self.__uniqueName(fileName)
+ if ntr.name is None:
+ QMessageBox.warning(None,
+ self.trUtf8("Set Translator"),
+ self.trUtf8("""<p>The translation filename <b>{0}</b>"""
+ """ is invalid.</p>""").format(fileName))
+ return
+
+ ntr.translator = self.loadTransFile(fileName)
+ if ntr.translator is None:
+ return
+
+ self.selector.addItem(ntr.name)
+ self.translations.append(ntr)
+
+ if setTranslation:
+ tr = self.__findFileName(fileName)
+ self.set(tr.name)
+
+ def set(self, name):
+ """
+ Public slot to set a translator by name.
+
+ @param name name (language) of the translator to set (string)
+ """
+ nTranslator = None
+
+ if name != noTranslationName:
+ trans = self.__findName(name)
+ if trans is None:
+ QMessageBox.warning(None,
+ self.trUtf8("Set Translator"),
+ self.trUtf8("""<p>The translator <b>{0}</b> is not known.</p>""")\
+ .format(name))
+ return
+
+ nTranslator = trans.translator
+
+ if nTranslator == self.currentTranslator:
+ return
+
+ if self.currentTranslator is not None:
+ QApplication.removeTranslator(self.currentTranslator)
+ if nTranslator is not None:
+ QApplication.installTranslator(nTranslator)
+ self.currentTranslator = nTranslator
+
+ self.selector.blockSignals(True)
+ self.selector.setCurrentIndex(self.selector.findText(name))
+ self.selector.blockSignals(False)
+
+ self.emit(SIGNAL('translationChanged'))
+
+ def reload(self):
+ """
+ Public method to reload all translators.
+ """
+ cname = self.selector.currentText()
+ if self.currentTranslator is not None:
+ QApplication.removeTranslator(self.currentTranslator)
+ self.currentTranslator = None
+
+ fileNames = []
+ for trans in self.translations:
+ trans.translator = None
+ fileNames.append(trans.fileName)
+ self.translations = []
+ self.selector.clear()
+
+ self.selector.addItem(noTranslationName)
+
+ for fileName in fileNames:
+ self.add(fileName, False)
+
+ if self.__haveName(cname):
+ self.set(cname)
+ else:
+ self.set(noTranslationName)
+
+ def __findFileName(self, transFileName):
+ """
+ Private method to find a translation by file name.
+
+ @param transFileName file name of the translation file (string)
+ @return reference to a translation object or None
+ """
+ for trans in self.translations:
+ if trans.fileName == transFileName:
+ return trans
+ return None
+
+ def __findName(self, name):
+ """
+ Private method to find a translation by name.
+
+ @param name name (language) of the translation (string)
+ @return reference to a translation object or None
+ """
+ for trans in self.translations:
+ if trans.name == name:
+ return trans
+ return None
+
+ def __haveFileName(self, transFileName):
+ """
+ Private method to check for the presence of a translation.
+
+ @param transFileName file name of the translation file (string)
+ @return flag indicating the presence of the translation (boolean)
+ """
+ return self.__findFileName(transFileName) is not None
+
+ def __haveName(self, name):
+ """
+ Private method to check for the presence of a named translation.
+
+ @param name name (language) of the translation (string)
+ @return flag indicating the presence of the translation (boolean)
+ """
+ return self.__findName(name) is not None
+
+ def __uniqueName(self, transFileName):
+ """
+ Private method to generate a unique name.
+
+ @param transFileName file name of the translation file (string)
+ @return unique name (string or None)
+ """
+ name = os.path.basename(transFileName)
+ if not name:
+ return None
+
+ uname = name
+ cnt = 1
+ while self.__haveName(uname):
+ cnt += 1
+ uname = "{0} <{1}>".format(name, cnt)
+
+ return uname
+
+ def __del(self, name):
+ """
+ Private method to delete a translator from the list of available translators.
+
+ @param name name of the translator to delete (string or QString)
+ """
+ if name == noTranslationName:
+ return
+
+ trans = self.__findName(name)
+ if trans is None:
+ return
+
+ if self.selector().currentText() == name:
+ self.set(noTranslationName)
+
+ self.translations.remove(trans)
+ del trans
+
+ def loadTransFile(self, transFileName):
+ """
+ Public slot to load a translation file.
+
+ @param transFileName file name of the translation file (string)
+ @return reference to the new translator object (QTranslator)
+ """
+ tr = QTranslator()
+ if tr.load(transFileName):
+ return tr
+
+ QMessageBox.warning(None,
+ self.trUtf8("Load Translator"),
+ self.trUtf8("""<p>The translation file <b>{0}</b> could not be loaded.</p>""")\
+ .format(transFileName))
+ return None
+
+ def hasTranslations(self):
+ """
+ Public method to check for loaded translations.
+
+ @return flag signaling if any translation was loaded (boolean)
+ """
+ return len(self.translations) > 0
+
+class WidgetView(QWidget):
+ """
+ Class to show a dynamically loaded widget (or dialog).
+ """
+ def __init__(self, uiFileName, parent = None, name = None):
+ """
+ Constructor
+
+ @param uiFileName name of the UI file to load (string)
+ @param parent parent widget (QWidget)
+ @param name name of this widget (string)
+ """
+ QWidget.__init__(self, parent)
+ if name:
+ self.setObjectName(name)
+ self.setWindowTitle(name)
+ self.setAttribute(Qt.WA_DeleteOnClose)
+
+ self.__widget = None
+ self.__uiFileName = uiFileName
+ self.__layout = QHBoxLayout(self)
+ self.__valid = False
+ self.__timer = QTimer(self)
+ self.__timer.setSingleShot(True)
+ self.connect(self.__timer, SIGNAL('timeout()'), self.buildWidget)
+
+ def isValid(self):
+ """
+ Public method to return the validity of this widget view.
+
+ @return flag indicating the validity (boolean)
+ """
+ return self.__valid
+
+ def uiFileName(self):
+ """
+ Public method to retrieve the name of the UI file.
+
+ @return filename of the loaded UI file (string)
+ """
+ return self.__uiFileName
+
+ def buildWidget(self):
+ """
+ Public slot to load a UI file.
+ """
+ if self.__widget:
+ self.__widget.close()
+ self.__layout.removeWidget(self.__widget)
+ del self.__widget
+ self.__widget = None
+
+ try:
+ self.__widget = uic.loadUi(self.__uiFileName)
+ except:
+ pass
+
+ if not self.__widget:
+ QMessageBox.warning(None,
+ self.trUtf8("Load UI File"),
+ self.trUtf8("""<p>The file <b>{0}</b> could not be loaded.</p>""")\
+ .format(self.__uiFileName))
+ self.__valid = False
+ return
+
+ self.__widget.setParent(self)
+ self.__layout.addWidget(self.__widget)
+ self.__widget.show()
+ self.__valid = True
+ self.adjustSize()
+
+ self.__timer.stop()
+
+ def __rebuildWidget(self):
+ """
+ Private method to schedule a rebuild of the widget.
+ """
+ self.__timer.start(0)
+
+class WidgetWorkspace(QWorkspace):
+ """
+ Specialized workspace to show the loaded widgets.
+
+ @signal lastWidgetClosed() emitted after last widget was closed
+ """
+ def __init__(self, parent = None):
+ """
+ Constructor
+
+ @param parent parent widget (QWidget)
+ """
+ QWorkspace.__init__(self, parent)
+
+ self.setScrollBarsEnabled(True)
+
+ self.widgets = []
+
+ def loadWidget(self, uiFileName):
+ """
+ Public slot to load a UI file.
+
+ @param uiFileName name of the UI file to load (string)
+ """
+ widget = self.__findWidget(uiFileName)
+ if widget is None:
+ name = os.path.basename(uiFileName)
+ if not name:
+ QMessageBox.warning(None,
+ self.trUtf8("Load UI File"),
+ self.trUtf8("""<p>The file <b>{0}</b> could not be loaded.</p>""")\
+ .format(uiFileName))
+ return
+
+ uname = name
+ cnt = 1
+ while self.findChild(WidgetView, uname) is not None:
+ cnt += 1
+ uname = "{0} <{1}>".format(name, cnt)
+ name = uname
+
+ wview = WidgetView(uiFileName, self, name)
+ wview.buildWidget()
+ if not wview.isValid():
+ del wview
+ return
+
+ self.connect(self, SIGNAL("rebuildWidgets"), wview.buildWidget)
+ wview.installEventFilter(self)
+
+ self.addWindow(wview)
+ self.widgets.append(wview)
+
+ wview.showNormal()
+
+ def eventFilter(self, obj, ev):
+ """
+ Protected method called to filter an event.
+
+ @param object object, that generated the event (QObject)
+ @param event the event, that was generated by object (QEvent)
+ @return flag indicating if event was filtered out
+ """
+ if not isinstance(obj, QWidget):
+ return False
+
+ if not obj in self.widgets:
+ return False
+
+ if ev.type() == QEvent.Close:
+ try:
+ self.widgets.remove(obj)
+ if len(self.widgets) == 0:
+ self.emit(SIGNAL('lastWidgetClosed'))
+ except ValueError:
+ pass
+
+ return False
+
+ def __findWidget(self, uiFileName):
+ """
+ Private method to find a specific widget view.
+
+ @param uiFileName filename of the loaded UI file (string)
+ @return reference to the widget (WidgetView) or None
+ """
+ wviewList = self.findChildren(WidgetView)
+ if wviewList is None:
+ return None
+
+ for wview in wviewList:
+ if wview.uiFileName() == uiFileName:
+ return wview
+
+ return None
+
+ def closeWidget(self):
+ """
+ Public slot to close the active window.
+ """
+ aw = self.activeWindow()
+ if aw is not None:
+ aw.close()
+
+ def closeAllWidgets(self):
+ """
+ Public slot to close all windows.
+ """
+ for w in self.widgets[:]:
+ w.close()
+
+ def showWindowMenu(self, windowMenu):
+ """
+ Public method to set up the widgets part of the Window menu.
+
+ @param windowMenu reference to the window menu
+ """
+ idx = 0
+ for wid in self.widgets:
+ act = windowMenu.addAction(wid.windowTitle())
+ act.setData(QVariant(idx))
+ act.setCheckable(True)
+ act.setChecked(not wid.isHidden())
+ idx = idx + 1
+
+ def toggleSelectedWidget(self, act):
+ """
+ Public method to handle the toggle of a window.
+
+ @param act reference to the action that triggered (QAction)
+ """
+ idx, ok = act.data().toInt()
+ if ok:
+ self.__toggleWidget(self.widgets[idx])
+
+ def __toggleWidget(self, w):
+ """
+ Private method to toggle a workspace window.
+
+ @param w window to be toggled
+ """
+ if w.isHidden():
+ w.show()
+ else:
+ w.hide()
+
+ def hasWidgets(self):
+ """
+ Public method to check for loaded widgets.
+
+ @return flag signaling if any widget was loaded (boolean)
+ """
+ return len(self.widgets) > 0
