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
  28     ## Overloaded QWizardPage methods ##
  29
  30     def isComplete(self):
  31         """
  32         Overload of the QWizardPage isComplete method.
  33         """
  34         if self.pageContent.cpuList.currentRow() != -1:
  35             infos = qvariant_converter.getDict(self.pageContent.cpuList.currentItem().data(Qt.UserRole))
  36             for key, value in infos.items():
  37                 if type(CPU_DEF[key]) == list:
  38                     infos[key] = qvariant_converter.getStringList(value)
  39                 if type(CPU_DEF[key]) == str or type(CPU_DEF) == unicode:
  40                     infos[key] = qvariant_converter.getString(value)
  41             self.setProjectInfo("CPU_INFOS", infos)
  42             self.setProjectInfo("CPU_NAME", unicode(self.pageContent.cpuList.currentItem().text()))
  43             return True
  44         else:
  45             return False
  46
  47     ####
  48
  49     ## Overloaded BWizardPage methods ##
  50
  51     def setupUi(self):
  52         """
  53         Overload of the BWizardPage setupUi method.
  54         """
  55         self.pageContent.cpuList.setSortingEnabled(True)
  56         self.pageContent.descriptionLabel.setVisible(False)
  57         self.pageContent.descriptionLabel.setText("")
  58
  59     def connectSignals(self):
  60         """
  61         Overload of the BWizardPage connectSignals method.
  62         """
  63         self.connect(self.pageContent.cpuList, SIGNAL("itemSelectionChanged()"), self.rowChanged)
  64
  65     def reloadData(self):
  66         """
  67         Overload of the BWizardPage reloadData method.
  68         """
  69         QApplication.instance().setOverrideCursor(Qt.WaitCursor)
  70         bertos_utils.loadSourceTree(self.project())
  71         self.populateCpuList()
  72         cpu_name = self.projectInfo("CPU_NAME")
  73         self.setupUi()
  74         if not cpu_name is None:
  75             self.selectItem(cpu_name)
  76         QApplication.instance().restoreOverrideCursor()
  77         self.emit(SIGNAL("completeChanged()"))
  78
  79     ####
  80
  81     ## Slots ##
  82
  83     def rowChanged(self):
  84         """
  85         Slot called when the user select an entry from the cpu list.
  86         """
  87         description = qvariant_converter.getDict(self.pageContent.cpuList.currentItem().data(Qt.UserRole))["CPU_DESC"]
  88         description = qvariant_converter.getStringList(description)
  89         self.pageContent.descriptionLabel.setText("<br>".join(description))
  90         self.pageContent.descriptionLabel.setVisible(True)
  91         self.emit(SIGNAL("completeChanged()"))
  92
  93     ####
  94
  95     def populateCpuList(self):
  96         """
  97         Fills the cpu list.
  98         """
  99         self.pageContent.cpuList.clear()
 100         self.pageContent.cpuList.setCurrentItem(None)
 101         infos = bertos_utils.loadCpuInfos(self.project())
 102         for cpu in infos:
 103             item = QListWidgetItem(cpu["CPU_NAME"])
 104             item.setData(Qt.UserRole, qvariant_converter.convertDict(cpu))
 105             self.pageContent.cpuList.addItem(item)
 106
 107     def selectItem(self, cpu):
 108         """
 109         Selects the given cpu from the list.
 110         """
 111         elements = self.pageContent.cpuList.findItems(cpu, Qt.MatchCaseSensitive)
 112         if len(elements) == 1:
 113             self.pageContent.cpuList.setCurrentItem(elements[0])