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
  16 class BCpuPage(BWizardPage):
  17
  18     def __init__(self):
  19         BWizardPage.__init__(self, "cpu_select.ui")
  20         self.setTitle(self.tr("Select the CPU"))
  21         self._connectSignals()
  22         self._setupUi()
  23
  24     def _populateCpuList(self):
  25         self.pageContent.cpuList.clear()
  26         self.pageContent.cpuList.setCurrentItem(None)
  27         infos = bertos_utils.loadCpuInfos(self._projectInfoRetrieve("SOURCES_PATH"))
  28         for cpu in infos:
  29             item = QListWidgetItem(cpu["CPU_NAME"])
  30             # The CPU_DESC field in the cpu definition is a list of string, so we need to
  31             # store it as a QStringList in a QVariant
  32             item.setData(Qt.UserRole, QVariant(cpu))
  33             self.pageContent.cpuList.addItem(item)
  34
  35     def _connectSignals(self):
  36         self.connect(self.pageContent.cpuList, SIGNAL("itemSelectionChanged()"), self.rowChanged)
  37
  38     def _selectItem(self, cpu):
  39         elements = self.pageContent.cpuList.findItems(cpu, Qt.MatchCaseSensitive)
  40         if len(elements) == 1:
  41             self.pageContent.cpuList.setCurrentItem(elements[0])
  42
  43     def _setupUi(self):
  44         self.pageContent.descriptionLabel.setVisible(False)
  45         self.pageContent.descriptionLabel.setText("")
  46
  47     def reloadData(self):
  48         self._populateCpuList()
  49         cpuName = self._projectInfoRetrieve("CPU_NAME")
  50         self._setupUi()
  51         if not cpuName is None:
  52             self._selectItem(cpuName)
  53         self.emit(SIGNAL("completeChanged()"))
  54
  55     def isComplete(self):
  56         if self.pageContent.cpuList.currentRow() != -1:
  57             self._projectInfoStore("CPU_INFOS", self.pageContent.cpuList.currentItem().data(Qt.UserRole).toMap())
  58             return True
  59         else:
  60             return False
  61
  62     def rowChanged(self):
  63         description = self.pageContent.cpuList.currentItem().data(Qt.UserRole).toMap()
  64         # I don't like to use QString as key in the dict, but the QVariant.toMap() return a dict<QString,QVariant>
  65         description =  description[QString("CPU_DESC")].toStringList()
  66         # We need to convert the list of QString in a list of unicode
  67         description = [unicode(line) for line in description]
  68         self.pageContent.descriptionLabel.setText("<br>".join(description))
  69         self.pageContent.descriptionLabel.setVisible(True)
  70         self.emit(SIGNAL("completeChanged()"))