wizard/BFolderPage.py

   1 #!/usr/bin/env python
   2 # encoding: utf-8
   3 #
   4 # Copyright 2008 Develer S.r.l. (http://www.develer.com/)
   5 # All rights reserved.
   6 #
   7 # $Id:$
   8 #
   9 # Author: Lorenzo Berni <duplo@develer.com>
  10 #
  11
  12 import os
  13
  14 from PyQt4.QtGui import *
  15 from BWizardPage import *
  16 import bertos_utils
  17
  18 from const import *
  19
  20 class BFolderPage(BWizardPage):
  21     """
  22     Initial page of the wizard. Permit to select the project name and the directory
  23     where the project will be created.
  24     """
  25
  26     def __init__(self):
  27         BWizardPage.__init__(self, UI_LOCATION + "/dir_select.ui")
  28         self.setTitle(self.tr("Select the project name"))
  29         self._initializeAttributes()
  30         self._setupUi()
  31         self._connectSignals()
  32
  33     def _setupUi(self):
  34         """
  35         Sets up the user interface.
  36         """
  37         self.pageContent.warningLabel.setVisible(False)
  38
  39     def _initializeAttributes(self):
  40         """
  41         Initializes the page attributes to the default values.
  42         """
  43         self._project_name = ""
  44         self._destination_folder = os.path.expanduser("~")
  45         self.pageContent.directoryEdit.setText(self._destination_folder)
  46
  47     def _connectSignals(self):
  48         """
  49         Connects the signals to the related slots.
  50         """
  51         self.connect(self.pageContent.nameEdit, SIGNAL("textChanged(const QString)"), self._nameChanged)
  52         self.connect(self.pageContent.directoryEdit, SIGNAL("textChanged(const QString)"), self._directoryChanged)
  53         self.connect(self.pageContent.directoryButton, SIGNAL("clicked()"), self._selectDirectory)
  54
  55     def _nameChanged(self, name):
  56         """
  57         Slot called when the project name is changed manually by the user.
  58         """
  59         self._project_name = str(name).replace(" ", "_")
  60         self._setProjectPath()
  61
  62     def _directoryChanged(self, directory):
  63         """
  64         Slot called when the project folder is changed manually by the user.
  65         """
  66         self._destination_folder = str(QDir.toNativeSeparators(directory))
  67         self._setProjectPath()
  68
  69     def _setProjectPath(self):
  70         """
  71         Analyzes the page attributes and generates the path string.
  72         """
  73         if self._destination_folder != "" and self._project_name <> "":
  74             if not self._destination_folder.endswith(os.sep):
  75                 self._destination_folder += "/"
  76             self.pageContent.projectPath.setText(QDir.toNativeSeparators(self._destination_folder + self._project_name))
  77             if os.path.exists(self._destination_folder + self._project_name):
  78                 self.pageContent.warningLabel.setVisible(True)
  79                 self.pageContent.warningLabel.setText(self.tr("<font color='#FF0000'>Warning: the selected directory exists, \
  80                     it will be destroyed with all contained subdirectories and files...</font>"))
  81             else:
  82                 self.pageContent.warningLabel.setVisible(False)
  83                 self.pageContent.warningLabel.setText("")
  84         else:
  85             self.pageContent.projectPath.setText("None")
  86             self.pageContent.warningLabel.setVisible(False)
  87             self.pageContent.warningLabel.setText("")
  88         self.emit(SIGNAL("completeChanged()"))
  89
  90     def _selectDirectory(self):
  91         """
  92         Slot called when the project folder is changed using the file dialog.
  93         """
  94         directory = unicode(QFileDialog.getExistingDirectory(self, self.tr("Open Directory"), "", QFileDialog.ShowDirsOnly))
  95         if len(directory) > 0:
  96             self.pageContent.directoryEdit.setText(directory)
  97
  98     def isComplete(self):
  99         """
 100         Overload of the QWizardPage isComplete method.
 101         """
 102         if self.pageContent.projectPath.text() != "None":
 103             self._projectInfoStore("PROJECT_PATH", unicode(self.pageContent.projectPath.text()))
 104             return True
 105         else:
 106             return False