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             modules = bertos_utils.loadModuleInfosDict(self._projectInfoRetrieve("SOURCES_PATH"))
  43             lists = bertos_utils.loadDefineListsDict(self._projectInfoRetrieve("SOURCES_PATH"))
  44             configurations = {}
  45             for module, informations in modules.items():
  46                 if len(informations["configuration"]) > 0:
  47                     configurations[informations["configuration"]] = bertos_utils.loadConfigurationInfos(self._projectInfoRetrieve("SOURCES_PATH") +
  48                                                                                                         "/" + informations["configuration"])
  49         except ModuleDefineException, e:
  50             self._exceptionOccurred(self.tr("Error parsing module information in file %1").arg(e.parameter))
  51         except EnumDefineException, e:
  52             self._exceptionOccurred(self.tr("Error parsing enum informations in file %1").arg(e.parameter))
  53         except ConfigurationDefineException, e:
  54             self._exceptionOccurred(self.tr("Error parsing configuration informations in file %1").arg(e.parameter))
  55         else:
  56             self._projectInfoStore("MODULES", modules)
  57             self._projectInfoStore("LISTS", lists)
  58             self._projectInfoStore("CONFIGURATIONS", configurations)
  59
  60     def _fillModuleTable(self):
  61         modules = self._projectInfoRetrieve("MODULES")
  62         if modules is None:
  63             return
  64         self.pageContent.moduleTable.setRowCount(len(modules))
  65         for index, module in enumerate(modules):
  66             self.pageContent.moduleTable.setItem(index, 1, QTableWidgetItem(module))
  67             checkBox = QCheckBox()
  68             self._buttonGroup.addButton(checkBox, index)
  69             self.pageContent.moduleTable.setCellWidget(index, 0, checkBox)
  70             checkBox.setChecked(modules[module]["enabled"])
  71
  72     def _fillPropertyTable(self):
  73         module = self._currentModule()
  74         if module is not None:
  75             self._controlGroup.clear()
  76             configuration = self._projectInfoRetrieve("MODULES")[module]["configuration"]
  77             moduleDescription = self._projectInfoRetrieve("MODULES")[module]["description"]
  78             self.pageContent.moduleLabel.setText(moduleDescription)
  79             self.pageContent.moduleLabel.setVisible(True)
  80             self.pageContent.propertyTable.clear()
  81             if len(configuration) > 0:
  82                 configurations = self._projectInfoRetrieve("CONFIGURATIONS")[configuration]
  83                 self.pageContent.propertyTable.setRowCount(len(configurations))
  84                 for index, property in enumerate(configurations):
  85                     item = QTableWidgetItem(property)
  86                     item.setData(Qt.UserRole, qvariant_converter.convertString(property))
  87                     self.pageContent.propertyTable.setItem(index, 0, item)
  88                     if "type" in configurations[property]["informations"].keys() and configurations[property]["informations"]["type"] == "boolean":
  89                         self._insertCheckBox(index, configurations[property]["value"])
  90                     elif "type" in configurations[property]["informations"].keys() and configurations[property]["informations"]["type"] == "enum":
  91                         self._insertComboBox(index, configurations[property]["value"], configurations[property]["informations"]["value_list"])
  92                     elif "type" in configurations[property]["informations"] and configurations[property]["informations"]["type"] == "int":
  93                         self._insertSpinBox(index, configurations[property]["value"], configurations[property]["informations"])
  94                     else:
  95                         # Not defined type, rendered as a text field
  96                         self.pageContent.propertyTable.setItem(index, 1, QTableWidgetItem(property))
  97             else:
  98                 self.pageContent.propertyTable.setRowCount(0)
  99
 100     def _insertCheckBox(self, index, value):
 101         ## boolean property
 102         checkBox = QCheckBox()
 103         self.pageContent.propertyTable.setCellWidget(index, 1, checkBox)
 104         if value == "1":
 105             checkBox.setChecked(True)
 106         else:
 107             checkBox.setChecked(False)
 108         self._controlGroup.addControl(index, checkBox)
 109
 110     def _insertComboBox(self, index, value, value_list):
 111         ## enum property
 112         comboBox = QComboBox()
 113         self.pageContent.propertyTable.setCellWidget(index, 1, comboBox)
 114         enum = self._projectInfoRetrieve("LISTS")[value_list]
 115         for i, element in enumerate(enum):
 116             comboBox.addItem(element)
 117             if element == value:
 118                 comboBox.setCurrentIndex(i)
 119         self._controlGroup.addControl(index, comboBox)
 120
 121     def _insertSpinBox(self, index, value, informations):
 122         ## int, long or undefined type property
 123         spinBox = None
 124         if bertos_utils.isLong(informations) or bertos_utils.isUnsignedLong(informations):
 125             spinBox = QDoubleSpinBox()
 126             spinBox.setDecimals(0)
 127         else:
 128             spinBox = QSpinBox()
 129         self.pageContent.propertyTable.setCellWidget(index, 1, spinBox)
 130         minimum = -32768
 131         maximum = 32767
 132         suff = ""
 133         if bertos_utils.isLong(informations):
 134             minimum = -2147483648
 135             maximum = 2147483647
 136             suff = "L"
 137         elif bertos_utils.isUnsigned(informations):
 138             minimum = 0
 139             maximum = 65535
 140             suff = "U"
 141         elif bertos_utils.isUnsignedLong(informations):
 142             minimum = 0
 143             maximum = 4294967295
 144             suff = "UL"
 145         if "min" in informations.keys():
 146             minimum = int(informations["min"])
 147         if "max" in informations.keys():
 148             maximum = int(informations["max"])
 149         spinBox.setRange(minimum, maximum)
 150         spinBox.setSuffix(suff)
 151         spinBox.setValue(int(value.replace("L", "").replace("U", "")))
 152         self._controlGroup.addControl(index, spinBox)
 153
 154
 155     def _currentModule(self):
 156         currentModule = self.pageContent.moduleTable.item(self.pageContent.moduleTable.currentRow(), 1)
 157         if currentModule is not None:
 158             return unicode(currentModule.text())
 159         else:
 160             return None
 161
 162     def _currentModuleConfigurations(self):
 163         return self._configurations(self._currentModule())
 164
 165     def _currentProperty(self):
 166         return qvariant_converter.getString(self.pageContent.propertyTable.item(self.pageContent.propertyTable.currentRow(), 0).data(Qt.UserRole))
 167
 168     def _currentPropertyItem(self):
 169         return self.pageContent.propertyTable.item(self.pageContent.propertyTable.currentRow(), 0)
 170
 171     def _module(self, row):
 172         return unicode(self.pageContent.moduleTable.item(row, 1).text())
 173
 174     def _configurations(self, module):
 175         configuration = self._projectInfoRetrieve("MODULES")[module]["configuration"]
 176         if len(configuration) > 0:
 177             return self._projectInfoRetrieve("CONFIGURATIONS")[configuration]
 178         else:
 179             return {}
 180
 181     def _resetPropertyDescription(self):
 182         for index in range(self.pageContent.propertyTable.rowCount()):
 183             propertyName = qvariant_converter.getString(self.pageContent.propertyTable.item(index, 0).data(Qt.UserRole))
 184             self.pageContent.propertyTable.item(index, 0).setText(propertyName)
 185
 186     def _showPropertyDescription(self):
 187         self._resetPropertyDescription()
 188         configurations = self._currentModuleConfigurations()
 189         if self._currentProperty() in configurations.keys():
 190             description = configurations[self._currentProperty()]["description"]
 191             name = self._currentProperty()
 192             self._currentPropertyItem().setText(name + "\n" + description)
 193
 194     def _setupUi(self):
 195         self.pageContent.moduleTable.horizontalHeader().setResizeMode(QHeaderView.ResizeToContents)
 196         self.pageContent.moduleTable.horizontalHeader().setStretchLastSection(True)
 197         self.pageContent.moduleTable.horizontalHeader().setVisible(False)
 198         self.pageContent.moduleTable.verticalHeader().setResizeMode(QHeaderView.ResizeToContents)
 199         self.pageContent.moduleTable.verticalHeader().setVisible(False)
 200         self.pageContent.moduleTable.setColumnCount(2)
 201         self.pageContent.moduleTable.setRowCount(0)
 202         self.pageContent.propertyTable.horizontalHeader().setResizeMode(QHeaderView.Stretch)
 203         self.pageContent.propertyTable.horizontalHeader().setVisible(False)
 204         self.pageContent.propertyTable.verticalHeader().setResizeMode(QHeaderView.ResizeToContents)
 205         self.pageContent.propertyTable.verticalHeader().setVisible(False)
 206         self.pageContent.propertyTable.setColumnCount(2)
 207         self.pageContent.propertyTable.setRowCount(0)
 208         self.pageContent.moduleLabel.setVisible(False)
 209
 210     def _connectSignals(self):
 211         self.connect(self.pageContent.moduleTable, SIGNAL("itemSelectionChanged()"), self._fillPropertyTable)
 212         self.connect(self.pageContent.propertyTable, SIGNAL("itemSelectionChanged()"), self._showPropertyDescription)
 213         self.connect(self._controlGroup, SIGNAL("stateChanged"), self._saveValue)
 214
 215     def _saveValue(self, index):
 216         property = qvariant_converter.getString(self.pageContent.propertyTable.item(index, 0).data(Qt.UserRole))
 217         configuration = self._projectInfoRetrieve("MODULES")[self._currentModule()]["configuration"]
 218         configurations = self._projectInfoRetrieve("CONFIGURATIONS")
 219         if "type" not in configurations[configuration][property]["informations"].keys() or configurations[configuration][property]["informations"]["type"] == "int":
 220             configurations[configuration][property]["value"] = str(int(self.pageContent.propertyTable.cellWidget(index, 1).value()))
 221         elif configurations[configuration][property]["informations"]["type"] == "enum":
 222             configurations[configuration][property]["value"] = unicode(self.pageContent.propertyTable.cellWidget(index, 1).currentText())
 223         elif configurations[configuration][property]["informations"]["type"] == "boolean":
 224             if self.pageContent.propertyTable.cellWidget(index, 1).isChecked():
 225                 configurations[configuration][property]["value"] = "1"
 226             else:
 227                 configurations[configuration][property]["value"] = "0"
 228         self._projectInfoStore("CONFIGURATIONS", configurations)
 229
 230     def _moduleSelectionChanged(self, index):
 231         module = unicode(self.pageContent.moduleTable.item(index, 1).text())
 232         if self._buttonGroup.button(index).isChecked():
 233             self._moduleSelected(module)
 234         else:
 235             self._moduleUnselected(module)
 236
 237     def _moduleSelected(self, selectedModule):
 238         modules = self._projectInfoRetrieve("MODULES")
 239         modules[selectedModule]["enabled"] = True
 240         self._projectInfoStore("MODULES", modules)
 241         depends = self._projectInfoRetrieve("MODULES")[selectedModule]["depends"]
 242         unsatisfied = self.selectDependencyCheck(selectedModule)
 243         if len(unsatisfied) > 0:
 244             message = self.tr("The module %1 needs the following modules:\n%2.\n\nDo you want to resolve automatically the problem?")
 245             message = message.arg(selectedModule).arg(", ".join(unsatisfied))
 246             choice = QMessageBox.warning(self, self.tr("Dependency error"), message, QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
 247             if choice == QMessageBox.Yes:
 248                 for module in unsatisfied:
 249                     modules = self._projectInfoRetrieve("MODULES")
 250                     modules[module]["enabled"] = True
 251                 for index in range(self.pageContent.moduleTable.rowCount()):
 252                     if unicode(self.pageContent.moduleTable.item(index, 1).text()) in unsatisfied:
 253                         self._buttonGroup.button(index).setChecked(True)
 254
 255     def _moduleUnselected(self, unselectedModule):
 256         modules = self._projectInfoRetrieve("MODULES")
 257         modules[unselectedModule]["enabled"] = False
 258         self._projectInfoStore("MODULES", modules)
 259         unsatisfied = self.unselectDependencyCheck(unselectedModule)
 260         if len(unsatisfied) > 0:
 261             message = self.tr("The module %1 is needed by the following modules:\n%2.\n\nDo you want to resolve automatically the problem?")
 262             message = message.arg(unselectedModule).arg(", ".join(unsatisfied))
 263             choice = QMessageBox.warning(self, self.tr("Dependency error"), message, QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
 264             if choice == QMessageBox.Yes:
 265                 for module in unsatisfied:
 266                     modules = self._projectInfoRetrieve("MODULES")
 267                     modules[module]["enabled"] = False
 268                 for index in range(self.pageContent.moduleTable.rowCount()):
 269                     if unicode(self.pageContent.moduleTable.item(index, 1).text()) in unsatisfied:
 270                         self._buttonGroup.button(index).setChecked(False)
 271
 272
 273     def selectDependencyCheck(self, module):
 274         unsatisfied = set()
 275         modules = self._projectInfoRetrieve("MODULES")
 276         for dependency in modules[module]["depends"]:
 277             if not modules[dependency]["enabled"]:
 278                 unsatisfied |= set([dependency])
 279                 if dependency not in unsatisfied:
 280                     unsatisfied |= self.selectDependencyCheck(dependency)
 281         return unsatisfied
 282
 283     def unselectDependencyCheck(self, dependency):
 284         unsatisfied = set()
 285         modules = self._projectInfoRetrieve("MODULES")
 286         for module, informations in modules.items():
 287             if dependency in informations["depends"] and informations["enabled"]:
 288                 unsatisfied |= set([module])
 289                 if dependency not in unsatisfied:
 290                     unsatisfied |= self.unselectDependencyCheck(module)
 291         return unsatisfied
 292
 293 class QControlGroup(QObject):
 294     def __init__(self):
 295         QObject.__init__(self)
 296         self._controls = {}
 297
 298     def addControl(self, id, control):
 299         self._controls[id] = control
 300         if type(control) == QCheckBox:
 301             self.connect(control, SIGNAL("stateChanged(int)"), lambda: self._stateChanged(id))
 302         elif type(control) == QSpinBox:
 303             self.connect(control, SIGNAL("valueChanged(int)"), lambda: self._stateChanged(id))
 304         elif type(control) == QComboBox:
 305             self.connect(control, SIGNAL("currentIndexChanged(int)"), lambda: self._stateChanged(id))
 306         elif type(control) == QDoubleSpinBox:
 307             self.connect(control, SIGNAL("valueChanged(double)"), lambda: self._stateChanged(id))
 308
 309     def clear(self):
 310         self._controls = {}
 311
 312     def _stateChanged(self, id):
 313         self.emit(SIGNAL("stateChanged"), id)