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 #
  32 # Author: Lorenzo Berni <duplo@develer.com>
  33 #
  34
  35 import os
  36
  37 from PyQt4.QtGui import *
  38 from BWizardPage import *
  39 import bertos_utils
  40
  41 from BCpuPage import BCpuPage
  42 from BBoardPage import BBoardPage
  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             self.setProjectInfo("PROJECT_SRC_PATH", os.path.join(self.projectInfo("PROJECT_PATH"), self.projectInfo("PROJECT_NAME")))
  68             self.setProjectInfo("PROJECT_HW_PATH", os.path.join(self.projectInfo("PROJECT_PATH"), self.projectInfo("PROJECT_NAME")))
  69             return True
  70         else:
  71             return False
  72
  73     ####
  74
  75     ## Overloaded BWizardPage methods ##
  76
  77     def setupUi(self):
  78         """
  79         Overload of the BWizardPage setupUi method.
  80         """
  81         self.pageContent.warningLabel.setVisible(False)
  82
  83     def connectSignals(self):
  84         """
  85         Overload of the BWizardPage connectSignals method.
  86         """
  87         self.connect(self.pageContent.nameEdit, SIGNAL("textChanged(const QString)"), self.nameChanged)
  88         self.connect(self.pageContent.directoryEdit, SIGNAL("textChanged(const QString)"), self.directoryChanged)
  89         self.connect(self.pageContent.directoryButton, SIGNAL("clicked()"), self.selectDirectory)
  90         # self.connect(self.pageContent.customButton, SIGNAL("toggled(bool)"), self.isComplete)
  91
  92     ####
  93
  94     ## Slots ##
  95
  96     def nameChanged(self, name):
  97         """
  98         Slot called when the project name is changed manually by the user.
  99         """
 100         try:
 101             name = unicode(name).encode("ascii")
 102         except UnicodeEncodeError:
 103             name = self._project_name
 104             self.pageContent.nameEdit.setText(name)
 105         self._project_name = unicode(name).replace(" ", "_")
 106         self.setProjectPath()
 107
 108     def directoryChanged(self, directory):
 109         """
 110         Slot called when the project folder is changed manually by the user.
 111         """
 112         try:
 113             directory = unicode(directory).encode("ascii")
 114         except UnicodeEncodeError:
 115             directory = self._destination_folder
 116             self.pageContent.directoryEdit.setText(directory)
 117         self._destination_folder = directory
 118         self.setProjectPath()
 119
 120     def selectDirectory(self):
 121         """
 122         Slot called when the project folder is changed using the file dialog.
 123         """
 124         directory = unicode(QFileDialog.getExistingDirectory(self, self.tr("Open Directory"), self.pageContent.directoryEdit.text(), QFileDialog.ShowDirsOnly))
 125         if len(directory) > 0:
 126             self.pageContent.directoryEdit.setText(QDir.toNativeSeparators(directory))
 127
 128     ####
 129
 130     def initializeAttributes(self):
 131         """
 132         Initializes the page attributes to the default values.
 133         """
 134         self._project_name = ""
 135         stored_folder = self.defaultFolder()
 136         if stored_folder != "":
 137             self._destination_folder = stored_folder
 138         elif os.name == "nt":
 139             def _winGetSpecialFolder(csidl):
 140                 from ctypes import windll, create_unicode_buffer
 141                 MAX_PATH = 4096
 142                 buf = create_unicode_buffer(MAX_PATH)
 143                 if not windll.shell32.SHGetSpecialFolderPathW(0, buf, csidl, False):
 144                     raise WindowsError("cannot get special folder location")
 145                 return buf.value
 146             CSIDL_PERSONAL = 5
 147             self._destination_folder = _winGetSpecialFolder(CSIDL_PERSONAL)
 148         else:
 149             self._destination_folder = os.path.expanduser("~")
 150         self.pageContent.directoryEdit.setText(self._destination_folder)
 151
 152     def setProjectPath(self):
 153         """
 154         Analyzes the page attributes and generates the path string.
 155         """
 156         if self._destination_folder != "" and self._project_name <> "":
 157             if not self._destination_folder.endswith(os.sep):
 158                 self._destination_folder += os.sep
 159             self.pageContent.projectPath.setText(QDir.toNativeSeparators(self._destination_folder + self._project_name))
 160             if os.path.exists(self._destination_folder + self._project_name):
 161                 self.pageContent.warningLabel.setVisible(True)
 162                 self.pageContent.warningLabel.setText(self.tr("<font color='#FF0000'>Warning: the selected directory exists, \
 163                     it will be destroyed with all contained subdirectories and files...</font>"))
 164             else:
 165                 self.pageContent.warningLabel.setVisible(False)
 166                 self.pageContent.warningLabel.setText("")
 167         else:
 168             self.pageContent.projectPath.setText("None")
 169             self.pageContent.warningLabel.setVisible(False)
 170             self.pageContent.warningLabel.setText("")
 171         self.emit(SIGNAL("completeChanged()"))