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         infos = bertos_utils.loadCpuInfos(self._projectInfoRetrieve("SOURCES_PATH"))
  27         for cpu in infos:
  28             item = QListWidgetItem(cpu["CPU_NAME"])
  29             # The CPU_DESC field in the cpu definition is a list of string, so we need to
  30             # store it as a QStringList in a QVariant
  31             item.setData(Qt.UserRole, QVariant(QStringList(cpu["CPU_DESC"])))
  32             self.pageContent.cpuList.addItem(item)
  33
  34     def _connectSignals(self):
  35         self.connect(self.pageContent.cpuList, SIGNAL("itemSelectionChanged()"), self.rowChanged)
  36
  37     def _selectItem(self, cpu):
  38         elements = self.pageContent.cpuList.findItems(cpu, Qt.MatchCaseSensitive)
  39         if len(elements) == 1:
  40             self.pageContent.cpuList.setCurrentItem(elements[0])
  41
  42     def _setupUi(self):
  43         self.pageContent.descriptionLabel.setVisible(False)
  44
  45     def reloadData(self):
  46         self._populateCpuList()
  47         cpuName = self._projectInfoRetrieve("CPU_NAME")
  48         if not cpuName is None:
  49             self._selectItem(cpuName)
  50
  51     def isComplete(self):
  52         if self.pageContent.cpuList.currentRow() != -1:
  53             self._projectInfoStore("CPU_NAME", self.pageContent.cpuList.currentItem().text())
  54             return True
  55         else:
  56             return False
  57
  58     def rowChanged(self):
  59         description = self.pageContent.cpuList.currentItem().data(Qt.UserRole).toStringList()
  60         # We need to convert the list of QString in a list of unicode
  61         description =  [unicode(line) for line in description]
  62         self.pageContent.descriptionLabel.setText("<br>".join(description))
  63         self.pageContent.descriptionLabel.setVisible(True)
  64         self.emit(SIGNAL("completeChanged()"))