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