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 BVersionPage import BVersionPage
  43
  44 from const import *
  45
  46 class BFolderPage(BWizardPage):
  47     """
  48     Initial page of the wizard. Permit to select the project name and the directory
  49     where the project will be created.
  50     """
  51
  52     def __init__(self):
  53         BWizardPage.__init__(self, UI_LOCATION + "/dir_select.ui")
  54         self.setTitle(self.tr("Select the project name"))
  55         self.initializeAttributes()
  56
  57     ## Overloaded QWizardPage methods ##
  58
  59     def isComplete(self):
  60         """
  61         Overload of the QWizardPage isComplete method.
  62         """
  63         self.setDefaultFolder(self._destination_folder)
  64         if self.pageContent.projectPath.text() != "None":
  65             self.setProjectInfo("PROJECT_PATH", unicode(self.pageContent.projectPath.text()))
  66             self.setProjectInfo("PROJECT_NAME", os.path.basename(unicode(self.pageContent.projectPath.text())))
  67             return True
  68         else:
  69             return False
  70
  71     def nextId(self):
  72         """
  73         Overload of the QWizardPage nextId method.
  74         """
  75         return self.wizard().pageIndex(self.next_page)
  76
  77
  78     ####
  79
  80     ## Overloaded BWizardPage methods ##
  81
  82     def setupUi(self):
  83         """
  84         Overload of the BWizardPage setupUi method.
  85         """
  86         self.pageContent.warningLabel.setVisible(False)
  87
  88     def connectSignals(self):
  89         """
  90         Overload of the BWizardPage connectSignals method.
  91         """
  92         self.connect(self.pageContent.nameEdit, SIGNAL("textChanged(const QString)"), self.nameChanged)
  93         self.connect(self.pageContent.directoryEdit, SIGNAL("textChanged(const QString)"), self.directoryChanged)
  94         self.connect(self.pageContent.directoryButton, SIGNAL("clicked()"), self.selectDirectory)
  95
  96     ####
  97
  98     ## Slots ##
  99
 100     def nameChanged(self, name):
 101         """
 102         Slot called when the project name is changed manually by the user.
 103         """
 104         try:
 105             name = unicode(name).encode("ascii")
 106         except UnicodeEncodeError:
 107             name = self._project_name
 108             self.pageContent.nameEdit.setText(name)
 109         self._project_name = unicode(name).replace(" ", "_")
 110         self.setProjectPath()
 111
 112     def directoryChanged(self, directory):
 113         """
 114         Slot called when the project folder is changed manually by the user.
 115         """
 116         try:
 117             directory = unicode(directory).encode("ascii")
 118         except UnicodeEncodeError:
 119             directory = self._destination_folder
 120             self.pageContent.directoryEdit.setText(directory)
 121         self._destination_folder = directory
 122         self.setProjectPath()
 123
 124     def selectDirectory(self):
 125         """
 126         Slot called when the project folder is changed using the file dialog.
 127         """
 128         directory = unicode(QFileDialog.getExistingDirectory(self, self.tr("Open Directory"), self.pageContent.directoryEdit.text(), QFileDialog.ShowDirsOnly))
 129         if len(directory) > 0:
 130             self.pageContent.directoryEdit.setText(QDir.toNativeSeparators(directory))
 131
 132     ####
 133
 134     @property
 135     def next_page(self):
 136         """
 137         Contains the next page class.
 138         """
 139         # Actually it does nothing.
 140         if self.pageContent.customButton.isChecked():
 141             return BVersionPage
 142         else:
 143             # TODO: change it with the predefined board selection page.
 144             # return BBoardPage
 145             return BVersionPage
 146
 147     def initializeAttributes(self):
 148         """
 149         Initializes the page attributes to the default values.
 150         """
 151         self._project_name = ""
 152         stored_folder = self.defaultFolder()
 153         if stored_folder != "":
 154             self._destination_folder = stored_folder
 155         elif os.name == "nt":
 156             from win32com.shell import shell, shellcon
 157             self._destination_folder = shell.SHGetFolderPath(0, shellcon.CSIDL_PERSONAL, 0, 0)
 158             del shell
 159             del shellcon
 160         else:
 161             self._destination_folder = os.path.expanduser("~")
 162         self.pageContent.directoryEdit.setText(self._destination_folder)
 163
 164     def setProjectPath(self):
 165         """
 166         Analyzes the page attributes and generates the path string.
 167         """
 168         if self._destination_folder != "" and self._project_name <> "":
 169             if not self._destination_folder.endswith(os.sep):
 170                 self._destination_folder += os.sep
 171             self.pageContent.projectPath.setText(QDir.toNativeSeparators(self._destination_folder + self._project_name))
 172             if os.path.exists(self._destination_folder + self._project_name):
 173                 self.pageContent.warningLabel.setVisible(True)
 174                 self.pageContent.warningLabel.setText(self.tr("<font color='#FF0000'>Warning: the selected directory exists, \
 175                     it will be destroyed with all contained subdirectories and files...</font>"))
 176             else:
 177                 self.pageContent.warningLabel.setVisible(False)
 178                 self.pageContent.warningLabel.setText("")
 179         else:
 180             self.pageContent.projectPath.setText("None")
 181             self.pageContent.warningLabel.setVisible(False)
 182             self.pageContent.warningLabel.setText("")
 183         self.emit(SIGNAL("completeChanged()"))