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