wizard/BCpuPage.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
  13 from BWizardPage import *
  14 import bertos_utils
  15 import qvariant_converter
  16
  17 from const import *
  18
  19 class BCpuPage(BWizardPage):
  20     """
  21     Page of the wizard that permits to choose the cpu from the supported ones.
  22     """
  23
  24     def __init__(self):
  25         BWizardPage.__init__(self, UI_LOCATION + "/cpu_select.ui")
  26         self.setTitle(self.tr("Select the CPU"))
  27         self._connectSignals()
  28         self._setupUi()
  29
  30     def _populateCpuList(self):
  31         """
  32         Fills the cpu list.
  33         """
  34         self.pageContent.cpuList.clear()
  35         self.pageContent.cpuList.setCurrentItem(None)
  36         infos = bertos_utils.loadCpuInfos(self._project())
  37         for cpu in infos:
  38             item = QListWidgetItem(cpu["CPU_NAME"])
  39             item.setData(Qt.UserRole, qvariant_converter.convertDict(cpu))
  40             self.pageContent.cpuList.addItem(item)
  41
  42     def _connectSignals(self):
  43         """
  44         Connects the signals with the related slots.
  45         """
  46         self.connect(self.pageContent.cpuList, SIGNAL("itemSelectionChanged()"), self.rowChanged)
  47
  48     def _selectItem(self, cpu):
  49         """
  50         Selects the given cpu from the list.
  51         """
  52         elements = self.pageContent.cpuList.findItems(cpu, Qt.MatchCaseSensitive)
  53         if len(elements) == 1:
  54             self.pageContent.cpuList.setCurrentItem(elements[0])
  55
  56     def _setupUi(self):
  57         """
  58         Sets up the user interface.
  59         """
  60         self.pageContent.cpuList.setSortingEnabled(True)
  61         self.pageContent.descriptionLabel.setVisible(False)
  62         self.pageContent.descriptionLabel.setText("")
  63
  64     def reloadData(self):
  65         """
  66         Overload of the BWizardPage reloadData method.
  67         """
  68         QApplication.instance().setOverrideCursor(Qt.WaitCursor)
  69         bertos_utils.loadSourceTree(self._project())
  70         self._populateCpuList()
  71         cpu_name = self._projectInfoRetrieve("CPU_NAME")
  72         self._setupUi()
  73         if not cpu_name is None:
  74             self._selectItem(cpu_name)
  75         QApplication.instance().restoreOverrideCursor()
  76         self.emit(SIGNAL("completeChanged()"))
  77
  78     def isComplete(self):
  79         """
  80         Overload of the QWizardPage isComplete method.
  81         """
  82         if self.pageContent.cpuList.currentRow() != -1:
  83             infos = qvariant_converter.getDict(self.pageContent.cpuList.currentItem().data(Qt.UserRole))
  84             for key, value in infos.items():
  85                 if type(CPU_DEF[key]) == list:
  86                     infos[key] = qvariant_converter.getStringList(value)
  87                 if type(CPU_DEF[key]) == str or type(CPU_DEF) == unicode:
  88                     infos[key] = qvariant_converter.getString(value)
  89             self._projectInfoStore("CPU_INFOS", infos)
  90             self._projectInfoStore("CPU_NAME", unicode(self.pageContent.cpuList.currentItem().text()))
  91             return True
  92         else:
  93             return False
  94
  95     def rowChanged(self):
  96         """
  97         Slot called when the user select an entry from the cpu list.
  98         """
  99         description = qvariant_converter.getDict(self.pageContent.cpuList.currentItem().data(Qt.UserRole))["CPU_DESC"]
 100         description = qvariant_converter.getStringList(description)
 101         self.pageContent.descriptionLabel.setText("<br>".join(description))
 102         self.pageContent.descriptionLabel.setVisible(True)
 103         self.emit(SIGNAL("completeChanged()"))