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