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
  31     ## Overloaded QWizardPage methods ##
  32
  33     def isComplete(self):
  34         """
  35         Overload of the QWizardPage isComplete method.
  36         """
  37         if self.pageContent.projectPath.text() != "None":
  38             self.setProjectInfo("PROJECT_PATH", unicode(self.pageContent.projectPath.text()))
  39             return True
  40         else:
  41             return False
  42
  43     ####
  44
  45     ## Overloaded BWizardPage methods ##
  46
  47     def setupUi(self):
  48         """
  49         Overload of the BWizardPage setupUi method.
  50         """
  51         self.pageContent.warningLabel.setVisible(False)
  52
  53     def connectSignals(self):
  54         """
  55         Overload of the BWizardPage connectSignals method.
  56         """
  57         self.connect(self.pageContent.nameEdit, SIGNAL("textChanged(const QString)"), self.nameChanged)
  58         self.connect(self.pageContent.directoryEdit, SIGNAL("textChanged(const QString)"), self.directoryChanged)
  59         self.connect(self.pageContent.directoryButton, SIGNAL("clicked()"), self.selectDirectory)
  60
  61     ####
  62
  63     ## Slots ##
  64
  65     def nameChanged(self, name):
  66         """
  67         Slot called when the project name is changed manually by the user.
  68         """
  69         self._project_name = str(name).replace(" ", "_")
  70         self.setProjectPath()
  71
  72     def directoryChanged(self, directory):
  73         """
  74         Slot called when the project folder is changed manually by the user.
  75         """
  76         self._destination_folder = str(QDir.toNativeSeparators(directory))
  77         self.setProjectPath()
  78
  79     def selectDirectory(self):
  80         """
  81         Slot called when the project folder is changed using the file dialog.
  82         """
  83         directory = unicode(QFileDialog.getExistingDirectory(self, self.tr("Open Directory"), "", QFileDialog.ShowDirsOnly))
  84         if len(directory) > 0:
  85             self.pageContent.directoryEdit.setText(directory)
  86
  87     ####
  88
  89     def initializeAttributes(self):
  90         """
  91         Initializes the page attributes to the default values.
  92         """
  93         self._project_name = ""
  94         self._destination_folder = os.path.expanduser("~")
  95         self.pageContent.directoryEdit.setText(self._destination_folder)
  96
  97     def setProjectPath(self):
  98         """
  99         Analyzes the page attributes and generates the path string.
 100         """
 101         if self._destination_folder != "" and self._project_name <> "":
 102             if not self._destination_folder.endswith(os.sep):
 103                 self._destination_folder += os.sep
 104             self.pageContent.projectPath.setText(QDir.toNativeSeparators(self._destination_folder + self._project_name))
 105             if os.path.exists(self._destination_folder + self._project_name):
 106                 self.pageContent.warningLabel.setVisible(True)
 107                 self.pageContent.warningLabel.setText(self.tr("<font color='#FF0000'>Warning: the selected directory exists, \
 108                     it will be destroyed with all contained subdirectories and files...</font>"))
 109             else:
 110                 self.pageContent.warningLabel.setVisible(False)
 111                 self.pageContent.warningLabel.setText("")
 112         else:
 113             self.pageContent.projectPath.setText("None")
 114             self.pageContent.warningLabel.setVisible(False)
 115             self.pageContent.warningLabel.setText("")
 116         self.emit(SIGNAL("completeChanged()"))