示例#1
0
    def selectFileToOpen(self):
        def getPreProcessingChoice(self, filename, filestructure):
            items = ("Choose the longest", "Merge all")
            item, okPressed = QInputDialog.getItem(
                self, "Multiple tracks/segments", "File '" + filename +
                "' contains more than one track/segment\n\n" + infos +
                "\nWhat to do?", items, 0, False)
            if okPressed and item:
                return items.index(item)
            else:
                return 0

        # Try to recover the last used directory
        old_directory = self.settings.value("lastdirectory", str)

        # Check if the setting exists
        if old_directory is not None:
            # Check if it's not empty
            if old_directory:
                old_directory = old_directory
            else:
                old_directory = bombo.TRACKS_FOLDER
        else:
            old_directory = bombo.TRACKS_FOLDER

        # Open the dialog box
        fullfilename_list = QFileDialog.getOpenFileNames(
            self, 'Open .gpx', old_directory, "GPX files (*.gpx)")
        if os.environ['QT_API'] == 'pyqt':
            pass
        elif os.environ['QT_API'] == 'pyqt5':
            fullfilename_list = fullfilename_list[0]

        # Process every selected file
        for i, fullfilename in enumerate(fullfilename_list):
            # Process filename
            directory, filename = os.path.split(str(fullfilename))
            filename, fileextension = os.path.splitext(filename)

            # Save the new directory in the application settings (it only
            # needs to be done once)
            if i == 0:
                # print "New directory to be saved: {}\n".format(directory)
                if os.environ['QT_API'] == 'pyqt':
                    self.settings.setValue("lastdirectory", str(directory))
                elif os.environ['QT_API'] == 'pyqt5':
                    self.settings.setValue("lastdirectory",
                                           QtCore.QVariant(str(directory)))

            # Open file and inspect what's inside
            gpxraw, longest_traseg, Ntracks, Nsegments, infos = bombo.LoadGPX(
                fullfilename)

            # If there's more than one track or segment, ask how to proceed
            if (Ntracks > 1) or (Nsegments > 1):
                preprocessingchoice = getPreProcessingChoice(
                    self, filename, infos)
                if preprocessingchoice == 0:
                    preprocessedgpx = bombo.SelectOneTrackAndSegmentFromGPX(
                        gpxraw, longest_traseg[0], longest_traseg[1])
                    listname = filename + " (longest)"
                elif preprocessingchoice == 1:
                    preprocessedgpx = bombo.MergeAllTracksAndSegmentsFromGPX(
                        gpxraw)
                    listname = filename + " (merged)"
            else:
                preprocessedgpx = gpxraw
                listname = filename

            # Append the list of open GPX files using the next available color (that's the size of the list -1)
            self.gpxlist.append(preprocessedgpx)
            self.gpxnamelist.append(listname)
            newitem = QListWidgetItem(listname)
            newitem.setBackground(
                QtGui.QColor(self.palette[len(self.gpxlist) - 1]))
            self.tracklist.addItem(newitem)

        return