wizard/BFolderPage.py

   1 #!/usr/bin/env python
   2 # encoding: utf-8
   3 #
   4 # This file is part of BeRTOS.
   5 #
   6 # Bertos is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19 #
  20 # As a special exception, you may use this file as part of a free software
  21 # library without restriction.  Specifically, if other files instantiate
  22 # templates or use macros or inline functions from this file, or you compile
  23 # this file and link it with other files to produce an executable, this
  24 # file does not by itself cause the resulting executable to be covered by
  25 # the GNU General Public License.  This exception does not however
  26 # invalidate any other reasons why the executable file might be covered by
  27 # the GNU General Public License.
  28 #
  29 # Copyright 2008 Develer S.r.l. (http://www.develer.com/)
  30 #
  31 # $Id$
  32 #
  33 # Author: Lorenzo Berni <duplo@develer.com>
  34 #
  35
  36 import os
  37
  38 from PyQt4.QtGui import *
  39 from BWizardPage import *
  40 import bertos_utils
  41
  42 from const import *
  43
  44 class BFolderPage(BWizardPage):
  45     """
  46     Initial page of the wizard. Permit to select the project name and the directory
  47     where the project will be created.
  48     """
  49
  50     def __init__(self):
  51         BWizardPage.__init__(self, UI_LOCATION + "/dir_select.ui")
  52         self.setTitle(self.tr("Select the project name"))
  53         self.initializeAttributes()
  54
  55     ## Overloaded QWizardPage methods ##
  56
  57     def isComplete(self):
  58         """
  59         Overload of the QWizardPage isComplete method.
  60         """
  61         self.setDefaultFolder(self._destination_folder)
  62         if self.pageContent.projectPath.text() != "None":
  63             self.setProjectInfo("PROJECT_PATH", unicode(self.pageContent.projectPath.text()))
  64             self.setProjectInfo("PROJECT_NAME", os.path.basename(unicode(self.pageContent.projectPath.text())))
  65             return True
  66         else:
  67             return False
  68
  69     ####
  70
  71     ## Overloaded BWizardPage methods ##
  72
  73     def setupUi(self):
  74         """
  75         Overload of the BWizardPage setupUi method.
  76         """
  77         self.pageContent.warningLabel.setVisible(False)
  78
  79     def connectSignals(self):
  80         """
  81         Overload of the BWizardPage connectSignals method.
  82         """
  83         self.connect(self.pageContent.nameEdit, SIGNAL("textChanged(const QString)"), self.nameChanged)
  84         self.connect(self.pageContent.directoryEdit, SIGNAL("textChanged(const QString)"), self.directoryChanged)
  85         self.connect(self.pageContent.directoryButton, SIGNAL("clicked()"), self.selectDirectory)
  86
  87     ####
  88
  89     ## Slots ##
  90
  91     def nameChanged(self, name):
  92         """
  93         Slot called when the project name is changed manually by the user.
  94         """
  95         try:
  96             name = unicode(name).encode("ascii")
  97         except UnicodeEncodeError:
  98             name = self._project_name
  99             self.pageContent.nameEdit.setText(name)
 100         self._project_name = unicode(name).replace(" ", "_")
 101         self.setProjectPath()
 102
 103     def directoryChanged(self, directory):
 104         """
 105         Slot called when the project folder is changed manually by the user.
 106         """
 107         try:
 108             directory = unicode(directory).encode("ascii")
 109         except UnicodeEncodeError:
 110             directory = self._destination_folder
 111             self.pageContent.directoryEdit.setText(directory)
 112         self._destination_folder = directory
 113         self.setProjectPath()
 114
 115     def selectDirectory(self):
 116         """
 117         Slot called when the project folder is changed using the file dialog.
 118         """
 119         directory = unicode(QFileDialog.getExistingDirectory(self, self.tr("Open Directory"), self.pageContent.directoryEdit.text(), QFileDialog.ShowDirsOnly))
 120         if len(directory) > 0:
 121             self.pageContent.directoryEdit.setText(QDir.toNativeSeparators(directory))
 122
 123     ####
 124
 125     def initializeAttributes(self):
 126         """
 127         Initializes the page attributes to the default values.
 128         """
 129         self._project_name = ""
 130         stored_folder = self.defaultFolder()
 131         if stored_folder != "":
 132             self._destination_folder = stored_folder
 133         elif os.name == "nt":
 134             from win32com.shell import shell, shellcon
 135             self._destination_folder = shell.SHGetFolderPath(0, shellcon.CSIDL_PERSONAL, 0, 0)
 136             del shell
 137             del shellcon
 138         else:
 139             self._destination_folder = os.path.expanduser("~")
 140         self.pageContent.directoryEdit.setText(self._destination_folder)
 141
 142     def setProjectPath(self):
 143         """
 144         Analyzes the page attributes and generates the path string.
 145         """
 146         if self._destination_folder != "" and self._project_name <> "":
 147             if not self._destination_folder.endswith(os.sep):
 148                 self._destination_folder += os.sep
 149             self.pageContent.projectPath.setText(QDir.toNativeSeparators(self._destination_folder + self._project_name))
 150             if os.path.exists(self._destination_folder + self._project_name):
 151                 self.pageContent.warningLabel.setVisible(True)
 152                 self.pageContent.warningLabel.setText(self.tr("<font color='#FF0000'>Warning: the selected directory exists, \
 153                     it will be destroyed with all contained subdirectories and files...</font>"))
 154             else:
 155                 self.pageContent.warningLabel.setVisible(False)
 156                 self.pageContent.warningLabel.setText("")
 157         else:
 158             self.pageContent.projectPath.setText("None")
 159             self.pageContent.warningLabel.setVisible(False)
 160             self.pageContent.warningLabel.setText("")
 161         self.emit(SIGNAL("completeChanged()"))