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 from DefineException import *
  19 from const import *
  20
  21 class BModulePage(BWizardPage):
  22
  23     def __init__(self):
  24         BWizardPage.__init__(self, UI_LOCATION + "/module_select.ui")
  25         self.setTitle(self.tr("Configure the BeRTOS modules"))
  26         self._controlGroup = QControlGroup()
  27         self._connectSignals()
  28
  29     def reloadData(self):
  30         self._setupUi()
  31         self._setupButtonGroup()
  32         self._loadModuleData()
  33         self._fillModuleTable()
  34
  35     def _setupButtonGroup(self):
  36         self._buttonGroup = QButtonGroup()
  37         self._buttonGroup.setExclusive(False)
  38         self.connect(self._buttonGroup, SIGNAL("buttonClicked(int)"), self._moduleSelectionChanged)
  39
  40     def _loadModuleData(self):
  41         try:
  42             bertos_utils.loadModuleInfosDict(self._project())
  43             bertos_utils.loadDefineListsDict(self._project())
  44             bertos_utils.loadConfigurationInfosDict(self._project())
  45         except ModuleDefineException, e:
  46             self._exceptionOccurred(self.tr("Error parsing module information in file %1").arg(e.path))
  47         except EnumDefineException, e:
  48             self._exceptionOccurred(self.tr("Error parsing enum informations in file %1").arg(e.path))
  49         except ConfigurationDefineException, e:
  50             self._exceptionOccurred(self.tr("Error parsing configuration informations in file %1, reading parameter %2").arg(e.path).arg(e.name))
  51
  52     def _fillModuleTable(self):
  53         modules = self._projectInfoRetrieve("MODULES")
  54         if modules is None:
  55             return
  56         self.pageContent.moduleTable.setRowCount(len(modules))
  57         for index, module in enumerate(modules):
  58             self.pageContent.moduleTable.setItem(index, 1, QTableWidgetItem(module))
  59             checkBox = QCheckBox()
  60             self._buttonGroup.addButton(checkBox, index)
  61             self.pageContent.moduleTable.setCellWidget(index, 0, checkBox)
  62             checkBox.setChecked(modules[module]["enabled"])
  63
  64     def _fillPropertyTable(self):
  65         module = self._currentModule()
  66         if module is not None:
  67             self._controlGroup.clear()
  68             configuration = self._projectInfoRetrieve("MODULES")[module]["configuration"]
  69             moduleDescription = self._projectInfoRetrieve("MODULES")[module]["description"]
  70             self.pageContent.moduleLabel.setText(moduleDescription)
  71             self.pageContent.moduleLabel.setVisible(True)
  72             self.pageContent.propertyTable.clear()
  73             if len(configuration) > 0:
  74                 configurations = self._projectInfoRetrieve("CONFIGURATIONS")[configuration]
  75                 self.pageContent.propertyTable.setRowCount(len(configurations))
  76                 for index, property in enumerate(configurations):
  77                     item = QTableWidgetItem(property)
  78                     item.setData(Qt.UserRole, qvariant_converter.convertString(property))
  79                     self.pageContent.propertyTable.setItem(index, 0, item)
  80                     if "type" in configurations[property]["informations"].keys() and configurations[property]["informations"]["type"] == "boolean":
  81                         self._insertCheckBox(index, configurations[property]["value"])
  82                     elif "type" in configurations[property]["informations"].keys() and configurations[property]["informations"]["type"] == "enum":
  83                         self._insertComboBox(index, configurations[property]["value"], configurations[property]["informations"]["value_list"])
  84                     elif "type" in configurations[property]["informations"] and configurations[property]["informations"]["type"] == "int":
  85                         self._insertSpinBox(index, configurations[property]["value"], configurations[property]["informations"])
  86                     else:
  87                         # Not defined type, rendered as a text field
  88                         self.pageContent.propertyTable.setItem(index, 1, QTableWidgetItem(property))
  89             else:
  90                 self.pageContent.propertyTable.setRowCount(0)
  91
  92     def _insertCheckBox(self, index, value):
  93         ## boolean property
  94         checkBox = QCheckBox()
  95         self.pageContent.propertyTable.setCellWidget(index, 1, checkBox)
  96         if value == "1":
  97             checkBox.setChecked(True)
  98         else:
  99             checkBox.setChecked(False)
 100         self._controlGroup.addControl(index, checkBox)
 101
 102     def _insertComboBox(self, index, value, value_list):
 103         ## enum property
 104         comboBox = QComboBox()
 105         self.pageContent.propertyTable.setCellWidget(index, 1, comboBox)
 106         enum = self._projectInfoRetrieve("LISTS")[value_list]
 107         for i, element in enumerate(enum):
 108             comboBox.addItem(element)
 109             if element == value:
 110                 comboBox.setCurrentIndex(i)
 111         self._controlGroup.addControl(index, comboBox)
 112
 113     def _insertSpinBox(self, index, value, informations):
 114         ## int, long or undefined type property
 115         spinBox = None
 116         if bertos_utils.isLong(informations) or bertos_utils.isUnsignedLong(informations):
 117             spinBox = QDoubleSpinBox()
 118             spinBox.setDecimals(0)
 119         else:
 120             spinBox = QSpinBox()
 121         self.pageContent.propertyTable.setCellWidget(index, 1, spinBox)
 122         minimum = -32768
 123         maximum = 32767
 124         suff = ""
 125         if bertos_utils.isLong(informations):
 126             minimum = -2147483648
 127             maximum = 2147483647
 128             suff = "L"
 129         elif bertos_utils.isUnsigned(informations):
 130             minimum = 0
 131             maximum = 65535
 132             suff = "U"
 133         elif bertos_utils.isUnsignedLong(informations):
 134             minimum = 0
 135             maximum = 4294967295
 136             suff = "UL"
 137         if "min" in informations.keys():
 138             minimum = int(informations["min"])
 139         if "max" in informations.keys():
 140             maximum = int(informations["max"])
 141         spinBox.setRange(minimum, maximum)
 142         spinBox.setSuffix(suff)
 143         spinBox.setValue(int(value.replace("L", "").replace("U", "")))
 144         self._controlGroup.addControl(index, spinBox)
 145
 146
 147     def _currentModule(self):
 148         currentModule = self.pageContent.moduleTable.item(self.pageContent.moduleTable.currentRow(), 1)
 149         if currentModule is not None:
 150             return unicode(currentModule.text())
 151         else:
 152             return None
 153
 154     def _currentModuleConfigurations(self):
 155         return self._configurations(self._currentModule())
 156
 157     def _currentProperty(self):
 158         return qvariant_converter.getString(self.pageContent.propertyTable.item(self.pageContent.propertyTable.currentRow(), 0).data(Qt.UserRole))
 159
 160     def _currentPropertyItem(self):
 161         return self.pageContent.propertyTable.item(self.pageContent.propertyTable.currentRow(), 0)
 162
 163     def _module(self, row):
 164         return unicode(self.pageContent.moduleTable.item(row, 1).text())
 165
 166     def _configurations(self, module):
 167         configuration = self._projectInfoRetrieve("MODULES")[module]["configuration"]
 168         if len(configuration) > 0:
 169             return self._projectInfoRetrieve("CONFIGURATIONS")[configuration]
 170         else:
 171             return {}
 172
 173     def _resetPropertyDescription(self):
 174         for index in range(self.pageContent.propertyTable.rowCount()):
 175             propertyName = qvariant_converter.getString(self.pageContent.propertyTable.item(index, 0).data(Qt.UserRole))
 176             self.pageContent.propertyTable.item(index, 0).setText(propertyName)
 177
 178     def _showPropertyDescription(self):
 179         self._resetPropertyDescription()
 180         configurations = self._currentModuleConfigurations()
 181         if self._currentProperty() in configurations.keys():
 182             description = configurations[self._currentProperty()]["description"]
 183             name = self._currentProperty()
 184             self._currentPropertyItem().setText(name + "\n" + description)
 185
 186     def _setupUi(self):
 187         self.pageContent.moduleTable.horizontalHeader().setResizeMode(QHeaderView.ResizeToContents)
 188         self.pageContent.moduleTable.horizontalHeader().setStretchLastSection(True)
 189         self.pageContent.moduleTable.horizontalHeader().setVisible(False)
 190         self.pageContent.moduleTable.verticalHeader().setResizeMode(QHeaderView.ResizeToContents)
 191         self.pageContent.moduleTable.verticalHeader().setVisible(False)
 192         self.pageContent.moduleTable.setColumnCount(2)
 193         self.pageContent.moduleTable.setRowCount(0)
 194         self.pageContent.propertyTable.horizontalHeader().setResizeMode(QHeaderView.Stretch)
 195         self.pageContent.propertyTable.horizontalHeader().setVisible(False)
 196         self.pageContent.propertyTable.verticalHeader().setResizeMode(QHeaderView.ResizeToContents)
 197         self.pageContent.propertyTable.verticalHeader().setVisible(False)
 198         self.pageContent.propertyTable.setColumnCount(2)
 199         self.pageContent.propertyTable.setRowCount(0)
 200         self.pageContent.moduleLabel.setVisible(False)
 201
 202     def _connectSignals(self):
 203         self.connect(self.pageContent.moduleTable, SIGNAL("itemSelectionChanged()"), self._fillPropertyTable)
 204         self.connect(self.pageContent.propertyTable, SIGNAL("itemSelectionChanged()"), self._showPropertyDescription)
 205         self.connect(self._controlGroup, SIGNAL("stateChanged"), self._saveValue)
 206
 207     def _saveValue(self, index):
 208         property = qvariant_converter.getString(self.pageContent.propertyTable.item(index, 0).data(Qt.UserRole))
 209         configuration = self._projectInfoRetrieve("MODULES")[self._currentModule()]["configuration"]
 210         configurations = self._projectInfoRetrieve("CONFIGURATIONS")
 211         if "type" not in configurations[configuration][property]["informations"].keys() or configurations[configuration][property]["informations"]["type"] == "int":
 212             configurations[configuration][property]["value"] = str(int(self.pageContent.propertyTable.cellWidget(index, 1).value()))
 213         elif configurations[configuration][property]["informations"]["type"] == "enum":
 214             configurations[configuration][property]["value"] = unicode(self.pageContent.propertyTable.cellWidget(index, 1).currentText())
 215         elif configurations[configuration][property]["informations"]["type"] == "boolean":
 216             if self.pageContent.propertyTable.cellWidget(index, 1).isChecked():
 217                 configurations[configuration][property]["value"] = "1"
 218             else:
 219                 configurations[configuration][property]["value"] = "0"
 220         self._projectInfoStore("CONFIGURATIONS", configurations)
 221
 222     def _moduleSelectionChanged(self, index):
 223         module = unicode(self.pageContent.moduleTable.item(index, 1).text())
 224         if self._buttonGroup.button(index).isChecked():
 225             self._moduleSelected(module)
 226         else:
 227             self._moduleUnselected(module)
 228
 229     def _moduleSelected(self, selectedModule):
 230         modules = self._projectInfoRetrieve("MODULES")
 231         modules[selectedModule]["enabled"] = True
 232         self._projectInfoStore("MODULES", modules)
 233         depends = self._projectInfoRetrieve("MODULES")[selectedModule]["depends"]
 234         unsatisfied = self.selectDependencyCheck(selectedModule)
 235         if len(unsatisfied) > 0:
 236             message = self.tr("The module %1 needs the following modules:\n%2.\n\nDo you want to resolve automatically the problem?")
 237             message = message.arg(selectedModule).arg(", ".join(unsatisfied))
 238             choice = QMessageBox.warning(self, self.tr("Dependency error"), message, QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
 239             if choice == QMessageBox.Yes:
 240                 for module in unsatisfied:
 241                     modules = self._projectInfoRetrieve("MODULES")
 242                     modules[module]["enabled"] = True
 243                 for index in range(self.pageContent.moduleTable.rowCount()):
 244                     if unicode(self.pageContent.moduleTable.item(index, 1).text()) in unsatisfied:
 245                         self._buttonGroup.button(index).setChecked(True)
 246
 247     def _moduleUnselected(self, unselectedModule):
 248         modules = self._projectInfoRetrieve("MODULES")
 249         modules[unselectedModule]["enabled"] = False
 250         self._projectInfoStore("MODULES", modules)
 251         unsatisfied = self.unselectDependencyCheck(unselectedModule)
 252         if len(unsatisfied) > 0:
 253             message = self.tr("The module %1 is needed by the following modules:\n%2.\n\nDo you want to resolve automatically the problem?")
 254             message = message.arg(unselectedModule).arg(", ".join(unsatisfied))
 255             choice = QMessageBox.warning(self, self.tr("Dependency error"), message, QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
 256             if choice == QMessageBox.Yes:
 257                 for module in unsatisfied:
 258                     modules = self._projectInfoRetrieve("MODULES")
 259                     modules[module]["enabled"] = False
 260                 for index in range(self.pageContent.moduleTable.rowCount()):
 261                     if unicode(self.pageContent.moduleTable.item(index, 1).text()) in unsatisfied:
 262                         self._buttonGroup.button(index).setChecked(False)
 263
 264
 265     def selectDependencyCheck(self, module):
 266         unsatisfied = set()
 267         modules = self._projectInfoRetrieve("MODULES")
 268         for dependency in modules[module]["depends"]:
 269             if not modules[dependency]["enabled"]:
 270                 unsatisfied |= set([dependency])
 271                 if dependency not in unsatisfied:
 272                     unsatisfied |= self.selectDependencyCheck(dependency)
 273         return unsatisfied
 274
 275     def unselectDependencyCheck(self, dependency):
 276         unsatisfied = set()
 277         modules = self._projectInfoRetrieve("MODULES")
 278         for module, informations in modules.items():
 279             if dependency in informations["depends"] and informations["enabled"]:
 280                 unsatisfied |= set([module])
 281                 if dependency not in unsatisfied:
 282                     unsatisfied |= self.unselectDependencyCheck(module)
 283         return unsatisfied
 284
 285 class QControlGroup(QObject):
 286     def __init__(self):
 287         QObject.__init__(self)
 288         self._controls = {}
 289
 290     def addControl(self, id, control):
 291         self._controls[id] = control
 292         if type(control) == QCheckBox:
 293             self.connect(control, SIGNAL("stateChanged(int)"), lambda: self._stateChanged(id))
 294         elif type(control) == QSpinBox:
 295             self.connect(control, SIGNAL("valueChanged(int)"), lambda: self._stateChanged(id))
 296         elif type(control) == QComboBox:
 297             self.connect(control, SIGNAL("currentIndexChanged(int)"), lambda: self._stateChanged(id))
 298         elif type(control) == QDoubleSpinBox:
 299             self.connect(control, SIGNAL("valueChanged(double)"), lambda: self._stateChanged(id))
 300
 301     def clear(self):
 302         self._controls = {}
 303
 304     def _stateChanged(self, id):
 305         self.emit(SIGNAL("stateChanged"), id)