wizard/BModulePage.py

   1 #!/usr/bin/env python
   2 # encoding: utf-8
   3 #
   4 # Copyright 2009 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 import os
  13
  14 from PyQt4.QtGui import *
  15 from BWizardPage import *
  16 import bertos_utils
  17
  18
  19 class BModulePage(BWizardPage):
  20
  21     def __init__(self):
  22         BWizardPage.__init__(self, "module_select.ui")
  23         self.setTitle(self.tr("Configure the BeRTOS modules"))
  24         self._setupUi()
  25         self._connectSignals()
  26
  27     def reloadData(self):
  28         self._setupButtonGroup()
  29         self._loadModuleData()
  30         self._fillModuleTable()
  31
  32     def _setupButtonGroup(self):
  33         self._buttonGroup = QButtonGroup()
  34         self._buttonGroup.setExclusive(False)
  35         self.connect(self._buttonGroup, SIGNAL("buttonClicked(int)"), self._moduleSelectionChanged)
  36
  37     def _loadModuleData(self):
  38         modules = bertos_utils.loadModuleInfosDict(self._projectInfoRetrieve("SOURCES_PATH"))
  39         lists = bertos_utils.loadDefineListsDict(self._projectInfoRetrieve("SOURCES_PATH"))
  40         configurations = {}
  41         for module, informations in modules.items():
  42             configurations[informations["configuration"]] = bertos_utils.loadConfigurationInfos(self._projectInfoRetrieve("SOURCES_PATH") +
  43                                                                                                 "/" + informations["configuration"])
  44         self._projectInfoStore("MODULES", modules)
  45         self._projectInfoStore("LISTS", lists)
  46         self._projectInfoStore("CONFIGURATIONS", configurations)
  47
  48     def _fillModuleTable(self):
  49         modules = self._projectInfoRetrieve("MODULES")
  50         self.pageContent.moduleTable.setRowCount(len(modules))
  51         for index, module in enumerate(modules):
  52             self.pageContent.moduleTable.setItem(index, 1, QTableWidgetItem(module))
  53             checkBox = QCheckBox()
  54             self._buttonGroup.addButton(checkBox, index)
  55             self.pageContent.moduleTable.setCellWidget(index, 0, checkBox)
  56             checkBox.setChecked(modules[module]["enabled"])
  57
  58     def _fillPropertyTable(self):
  59         module = self._currentModule()
  60         configuration = self._projectInfoRetrieve("MODULES")[module]["configuration"]
  61         configurations = self._projectInfoRetrieve("CONFIGURATIONS")[configuration]
  62         self.pageContent.propertyTable.clear()
  63         self.pageContent.propertyTable.setRowCount(len(configurations))
  64         for index, property in enumerate(configurations):
  65             item = QTableWidgetItem(property)
  66             item.setData(Qt.UserRole, qvariant_converter.convertString(property))
  67             self.pageContent.propertyTable.setItem(index, 0, item)
  68             if "type" in configurations[property]["informations"].keys() and configurations[property]["informations"]["type"] == "boolean":
  69                 ## boolean property
  70                 checkBox = QCheckBox()
  71                 self.pageContent.propertyTable.setCellWidget(index, 1, checkBox)
  72                 if configurations[property]["value"] == "1":
  73                     checkBox.setChecked(True)
  74                 else:
  75                     checkBox.setChecked(False)
  76             elif "type" in configurations[property]["informations"].keys() and configurations[property]["informations"]["type"] == "enum":
  77                 ## enum property
  78                 comboBox = QComboBox()
  79                 self.pageContent.propertyTable.setCellWidget(index, 1, comboBox)
  80                 enum = self._projectInfoRetrieve("LISTS")[configurations[property]["informations"]["value_list"]]
  81                 for element in enum:
  82                     comboBox.addItem(element)
  83             else:
  84                 ## int, long or undefined type property
  85                 spinBox = QSpinBox()
  86                 self.pageContent.propertyTable.setCellWidget(index, 1, spinBox)
  87                 if "min" in configurations[property]["informations"].keys():
  88                     minimum = int(configurations[property]["informations"]["min"])
  89                 else:
  90                     minimum = -32768
  91                 spinBox.setMinimum(minimum)
  92                 if "max" in configurations[property]["informations"].keys():
  93                     maximum = int(configurations[property]["informations"]["max"])
  94                 else:
  95                     maximum = 32767
  96                 spinBox.setMaximum(maximum)
  97                 if "long" in configurations[property]["informations"].keys() and configurations[property]["informations"]["long"] == "True":
  98                     spinBox.setSuffix("L")
  99                 spinBox.setValue(int(configurations[property]["value"].replace("L", "")))
 100
 101     def _currentModule(self):
 102         return unicode(self.pageContent.moduleTable.item(self.pageContent.moduleTable.currentRow(), 1).text())
 103
 104     def _currentModuleConfigurations(self):
 105         return self._projectInfoRetrieve("MODULES")[self._currentModule()]["configuration"]
 106
 107     def _currentProperty(self):
 108         return qvariant_converter.getString(self.pageContent.propertyTable.item(self.pageContent.propertyTable.currentRow(), 0).data(Qt.UserRole))
 109
 110     def _currentPropertyItem(self):
 111         return self.pageContent.propertyTable.item(self.pageContent.propertyTable.currentRow(), 0)
 112
 113     def _resetPropertyDescription(self):
 114         for index in range(self.pageContent.propertyTable.rowCount()):
 115             propertyName = qvariant_converter.getString(self.pageContent.propertyTable.item(index, 0).data(Qt.UserRole))
 116             self.pageContent.propertyTable.item(index, 0).setText(propertyName)
 117
 118     def _showPropertyDescription(self):
 119         self._resetPropertyDescription()
 120         description = self._projectInfoRetrieve("CONFIGURATIONS")[self._currentModuleConfigurations()][self._currentProperty()]["description"]
 121         name = self._currentProperty()
 122         self._currentPropertyItem().setText(name + "\n" + description)
 123
 124     def _setupUi(self):
 125         self.pageContent.moduleTable.horizontalHeader().setResizeMode(QHeaderView.ResizeToContents)
 126         self.pageContent.moduleTable.horizontalHeader().setStretchLastSection(True)
 127         self.pageContent.moduleTable.horizontalHeader().setVisible(False)
 128         self.pageContent.moduleTable.verticalHeader().setResizeMode(QHeaderView.ResizeToContents)
 129         self.pageContent.moduleTable.verticalHeader().setVisible(False)
 130         self.pageContent.moduleTable.setColumnCount(2)
 131         self.pageContent.moduleTable.setRowCount(0)
 132         self.pageContent.propertyTable.horizontalHeader().setResizeMode(QHeaderView.Stretch)
 133         self.pageContent.propertyTable.horizontalHeader().setVisible(False)
 134         self.pageContent.propertyTable.verticalHeader().setResizeMode(QHeaderView.ResizeToContents)
 135         self.pageContent.propertyTable.verticalHeader().setVisible(False)
 136         self.pageContent.propertyTable.setColumnCount(2)
 137         self.pageContent.propertyTable.setRowCount(0)
 138
 139     def _connectSignals(self):
 140         self.connect(self.pageContent.moduleTable, SIGNAL("itemSelectionChanged()"), self._fillPropertyTable)
 141         self.connect(self.pageContent.propertyTable, SIGNAL("itemSelectionChanged()"), self._showPropertyDescription)
 142
 143     def _moduleSelectionChanged(self, index):
 144         module = unicode(self.pageContent.moduleTable.item(index, 1).text())
 145         if self._buttonGroup.button(index).isChecked():
 146             self._moduleSelected(module)
 147         else:
 148             self._moduleUnselected(module)
 149
 150     def _moduleSelected(self, selectedModule):
 151         modules = self._projectInfoRetrieve("MODULES")
 152         modules[selectedModule]["enabled"] = True
 153         self._projectInfoStore("MODULES", modules)
 154         depends = self._projectInfoRetrieve("MODULES")[selectedModule]["depends"]
 155         unsatisfied = self.selectDependencyCheck(selectedModule)
 156         if len(unsatisfied) > 0:
 157             message = self.tr("The module %1 needs the following modules:\n%2.\n\nDo you want to resolve automatically the problem?")
 158             message = message.arg(selectedModule).arg(", ".join(unsatisfied))
 159             QMessageBox.warning(self, self.tr("Dependency error"), message, QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
 160
 161     def _moduleUnselected(self, unselectedModule):
 162         modules = self._projectInfoRetrieve("MODULES")
 163         modules[unselectedModule]["enabled"] = False
 164         self._projectInfoStore("MODULES", modules)
 165         unsatisfied = self.unselectDependencyCheck(unselectedModule)
 166         if len(unsatisfied) > 0:
 167             message = self.tr("The module %1 is needed by the following modules:\n%2.\n\nDo you want to resolve automatically the problem?")
 168             message = message.arg(unselectedModule).arg(", ".join(unsatisfied))
 169             QMessageBox.warning(self, self.tr("Dependency error"), message, QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
 170
 171     def selectDependencyCheck(self, module):
 172         unsatisfied = set()
 173         modules = self._projectInfoRetrieve("MODULES")
 174         for dependency in modules[module]["depends"]:
 175             if not modules[dependency]["enabled"]:
 176                 unsatisfied |= set([dependency])
 177                 if dependency not in unsatisfied:
 178                     unsatisfied |= self.selectDependencyCheck(dependency)
 179         return unsatisfied
 180
 181     def unselectDependencyCheck(self, dependency):
 182         unsatisfied = set()
 183         modules = self._projectInfoRetrieve("MODULES")
 184         for module, informations in modules.items():
 185             if dependency in informations["depends"] and informations["enabled"]:
 186                 unsatisfied |= set([module])
 187                 if dependency not in unsatisfied:
 188                     unsatisfied |= self.unselectDependencyCheck(module)
 189         return unsatisfied