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._setupUi()
  27         self._controlGroup = QControlGroup()
  28         self._connectSignals()
  29
  30     def reloadData(self):
  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         self._controlGroup.clear()
  75         configuration = self._projectInfoRetrieve("MODULES")[module]["configuration"]
  76         self.pageContent.propertyTable.clear()
  77         if len(configuration) == 0:
  78             self.pageContent.propertyTable.setRowCount(0)
  79             return
  80         configurations = self._projectInfoRetrieve("CONFIGURATIONS")[configuration]
  81         self.pageContent.propertyTable.setRowCount(len(configurations))
  82         for index, property in enumerate(configurations):
  83             item = QTableWidgetItem(property)
  84             item.setData(Qt.UserRole, qvariant_converter.convertString(property))
  85             self.pageContent.propertyTable.setItem(index, 0, item)
  86             if "type" in configurations[property]["informations"].keys() and configurations[property]["informations"]["type"] == "boolean":
  87                 ## boolean property
  88                 checkBox = QCheckBox()
  89                 self.pageContent.propertyTable.setCellWidget(index, 1, checkBox)
  90                 if configurations[property]["value"] == "1":
  91                     checkBox.setChecked(True)
  92                 else:
  93                     checkBox.setChecked(False)
  94                 self._controlGroup.addControl(index, checkBox)
  95             elif "type" in configurations[property]["informations"].keys() and configurations[property]["informations"]["type"] == "enum":
  96                 ## enum property
  97                 comboBox = QComboBox()
  98                 self.pageContent.propertyTable.setCellWidget(index, 1, comboBox)
  99                 enum = self._projectInfoRetrieve("LISTS")[configurations[property]["informations"]["value_list"]]
 100                 for i, element in enumerate(enum):
 101                     comboBox.addItem(element)
 102                     if element == configurations[property]["value"]:
 103                         comboBox.setCurrentIndex(i)
 104                 self._controlGroup.addControl(index, comboBox)
 105             else:
 106                 ## int, long or undefined type property
 107                 spinBox = None
 108                 if bertos_utils.isLong(configurations[property]) or bertos_utils.isUnsignedLong(configurations[property]):
 109                     spinBox = QDoubleSpinBox()
 110                     spinBox.setDecimals(0)
 111                 else:
 112                     spinBox = QSpinBox()
 113                 self.pageContent.propertyTable.setCellWidget(index, 1, spinBox)
 114                 minimum = -32768
 115                 maximum = 32767
 116                 suff = ""
 117                 if bertos_utils.isLong(configurations[property]):
 118                     minimum = -2147483648
 119                     maximum = 2147483647
 120                     suff = "L"
 121                 elif bertos_utils.isUnsigned(configurations[property]):
 122                     minimum = 0
 123                     maximum = 65535
 124                     suff = "U"
 125                 elif bertos_utils.isUnsignedLong(configurations[property]):
 126                     minimum = 0
 127                     maximum = 4294967295
 128                     suff = "UL"
 129                 if "min" in configurations[property]["informations"].keys():
 130                     minimum = int(configurations[property]["informations"]["min"])
 131                 if "max" in configurations[property]["informations"].keys():
 132                     maximum = int(configurations[property]["informations"]["max"])
 133                 spinBox.setRange(minimum, maximum)
 134                 spinBox.setSuffix(suff)
 135                 spinBox.setValue(int(configurations[property]["value"].replace("L", "").replace("U", "")))
 136                 self._controlGroup.addControl(index, spinBox)
 137
 138     def _currentModule(self):
 139         return unicode(self.pageContent.moduleTable.item(self.pageContent.moduleTable.currentRow(), 1).text())
 140
 141     def _currentModuleConfigurations(self):
 142         return self._configurations(self._currentModule())
 143
 144     def _currentProperty(self):
 145         return qvariant_converter.getString(self.pageContent.propertyTable.item(self.pageContent.propertyTable.currentRow(), 0).data(Qt.UserRole))
 146
 147     def _currentPropertyItem(self):
 148         return self.pageContent.propertyTable.item(self.pageContent.propertyTable.currentRow(), 0)
 149
 150     def _module(self, row):
 151         return unicode(self.pageContent.moduleTable.item(row, 1).text())
 152
 153     def _configurations(self, module):
 154         configuration = self._projectInfoRetrieve("MODULES")[module]["configuration"]
 155         return self._projectInfoRetrieve("CONFIGURATIONS")[configuration]
 156
 157     def _resetPropertyDescription(self):
 158         for index in range(self.pageContent.propertyTable.rowCount()):
 159             propertyName = qvariant_converter.getString(self.pageContent.propertyTable.item(index, 0).data(Qt.UserRole))
 160             self.pageContent.propertyTable.item(index, 0).setText(propertyName)
 161
 162     def _showPropertyDescription(self):
 163         self._resetPropertyDescription()
 164         configurations = self._currentModuleConfigurations()
 165         if self._currentProperty() in configurations.keys():
 166             description = configurations[self._currentProperty()]["description"]
 167             name = self._currentProperty()
 168             self._currentPropertyItem().setText(name + "\n" + description)
 169
 170     def _setupUi(self):
 171         self.pageContent.moduleTable.horizontalHeader().setResizeMode(QHeaderView.ResizeToContents)
 172         self.pageContent.moduleTable.horizontalHeader().setStretchLastSection(True)
 173         self.pageContent.moduleTable.horizontalHeader().setVisible(False)
 174         self.pageContent.moduleTable.verticalHeader().setResizeMode(QHeaderView.ResizeToContents)
 175         self.pageContent.moduleTable.verticalHeader().setVisible(False)
 176         self.pageContent.moduleTable.setColumnCount(2)
 177         self.pageContent.moduleTable.setRowCount(0)
 178         self.pageContent.propertyTable.horizontalHeader().setResizeMode(QHeaderView.Stretch)
 179         self.pageContent.propertyTable.horizontalHeader().setVisible(False)
 180         self.pageContent.propertyTable.verticalHeader().setResizeMode(QHeaderView.ResizeToContents)
 181         self.pageContent.propertyTable.verticalHeader().setVisible(False)
 182         self.pageContent.propertyTable.setColumnCount(2)
 183         self.pageContent.propertyTable.setRowCount(0)
 184
 185     def _connectSignals(self):
 186         self.connect(self.pageContent.moduleTable, SIGNAL("itemSelectionChanged()"), self._fillPropertyTable)
 187         self.connect(self.pageContent.propertyTable, SIGNAL("itemSelectionChanged()"), self._showPropertyDescription)
 188         self.connect(self._controlGroup, SIGNAL("stateChanged"), self._saveValue)
 189
 190     def _saveValue(self, index):
 191         property = qvariant_converter.getString(self.pageContent.propertyTable.item(index, 0).data(Qt.UserRole))
 192         configuration = self._projectInfoRetrieve("MODULES")[self._currentModule()]["configuration"]
 193         configurations = self._projectInfoRetrieve("CONFIGURATIONS")
 194         if "type" not in configurations[configuration][property]["informations"].keys() or configurations[configuration][property]["informations"]["type"] == "int":
 195             configurations[configuration][property]["value"] = str(int(self.pageContent.propertyTable.cellWidget(index, 1).value()))
 196         elif configurations[configuration][property]["informations"]["type"] == "enum":
 197             configurations[configuration][property]["value"] = unicode(self.pageContent.propertyTable.cellWidget(index, 1).currentText())
 198         elif configurations[configuration][property]["informations"]["type"] == "boolean":
 199             if self.pageContent.propertyTable.cellWidget(index, 1).isChecked():
 200                 configurations[configuration][property]["value"] = "1"
 201             else:
 202                 configurations[configuration][property]["value"] = "0"
 203         self._projectInfoStore("CONFIGURATIONS", configurations)
 204
 205     def _moduleSelectionChanged(self, index):
 206         module = unicode(self.pageContent.moduleTable.item(index, 1).text())
 207         if self._buttonGroup.button(index).isChecked():
 208             self._moduleSelected(module)
 209         else:
 210             self._moduleUnselected(module)
 211
 212     def _moduleSelected(self, selectedModule):
 213         modules = self._projectInfoRetrieve("MODULES")
 214         modules[selectedModule]["enabled"] = True
 215         self._projectInfoStore("MODULES", modules)
 216         depends = self._projectInfoRetrieve("MODULES")[selectedModule]["depends"]
 217         unsatisfied = self.selectDependencyCheck(selectedModule)
 218         if len(unsatisfied) > 0:
 219             message = self.tr("The module %1 needs the following modules:\n%2.\n\nDo you want to resolve automatically the problem?")
 220             message = message.arg(selectedModule).arg(", ".join(unsatisfied))
 221             choice = QMessageBox.warning(self, self.tr("Dependency error"), message, QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
 222             if choice == QMessageBox.Yes:
 223                 for module in unsatisfied:
 224                     modules = self._projectInfoRetrieve("MODULES")
 225                     modules[module]["enabled"] = True
 226                 for index in range(self.pageContent.moduleTable.rowCount()):
 227                     if unicode(self.pageContent.moduleTable.item(index, 1).text()) in unsatisfied:
 228                         self._buttonGroup.button(index).setChecked(True)
 229
 230     def _moduleUnselected(self, unselectedModule):
 231         modules = self._projectInfoRetrieve("MODULES")
 232         modules[unselectedModule]["enabled"] = False
 233         self._projectInfoStore("MODULES", modules)
 234         unsatisfied = self.unselectDependencyCheck(unselectedModule)
 235         if len(unsatisfied) > 0:
 236             message = self.tr("The module %1 is needed by the following modules:\n%2.\n\nDo you want to resolve automatically the problem?")
 237             message = message.arg(unselectedModule).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"] = False
 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(False)
 246
 247
 248     def selectDependencyCheck(self, module):
 249         unsatisfied = set()
 250         modules = self._projectInfoRetrieve("MODULES")
 251         for dependency in modules[module]["depends"]:
 252             if not modules[dependency]["enabled"]:
 253                 unsatisfied |= set([dependency])
 254                 if dependency not in unsatisfied:
 255                     unsatisfied |= self.selectDependencyCheck(dependency)
 256         return unsatisfied
 257
 258     def unselectDependencyCheck(self, dependency):
 259         unsatisfied = set()
 260         modules = self._projectInfoRetrieve("MODULES")
 261         for module, informations in modules.items():
 262             if dependency in informations["depends"] and informations["enabled"]:
 263                 unsatisfied |= set([module])
 264                 if dependency not in unsatisfied:
 265                     unsatisfied |= self.unselectDependencyCheck(module)
 266         return unsatisfied
 267
 268 class QControlGroup(QObject):
 269     def __init__(self):
 270         QObject.__init__(self)
 271         self._controls = {}
 272
 273     def addControl(self, id, control):
 274         self._controls[id] = control
 275         if type(control) == QCheckBox:
 276             self.connect(control, SIGNAL("stateChanged(int)"), lambda: self._stateChanged(id))
 277         elif type(control) == QSpinBox:
 278             self.connect(control, SIGNAL("valueChanged(int)"), lambda: self._stateChanged(id))
 279         elif type(control) == QComboBox:
 280             self.connect(control, SIGNAL("currentIndexChanged(int)"), lambda: self._stateChanged(id))
 281         elif type(control) == QDoubleSpinBox:
 282             self.connect(control, SIGNAL("valueChanged(double)"), lambda: self._stateChanged(id))
 283
 284     def clear(self):
 285         self._controls = {}
 286
 287     def _stateChanged(self, id):
 288         self.emit(SIGNAL("stateChanged"), id)