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