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._control_group = QControlGroup()
  27         self._connectSignals()
  28
  29     def reloadData(self):
  30         self._setupUi()
  31         self._loadModuleData()
  32         self._fillModuleTree()
  33
  34     def _setupButtonGroup(self):
  35         self._button_group = QButtonGroup()
  36         self._button_group.setExclusive(False)
  37         self.connect(self._button_group, SIGNAL("buttonClicked(int)"), self._moduleSelectionChanged)
  38
  39     def _loadModuleData(self):
  40         try:
  41             bertos_utils.loadModuleData(self._project())
  42         except ModuleDefineException, e:
  43             self._exceptionOccurred(self.tr("Error parsing line '%2' in file %1").arg(e.path).arg(e.line))
  44         except EnumDefineException, e:
  45             self._exceptionOccurred(self.tr("Error parsing line '%2' in file %1").arg(e.path).arg(e.line))
  46         except ConfigurationDefineException, e:
  47             self._exceptionOccurred(self.tr("Error parsing line '%2' in file %1").arg(e.path).arg(e.line))
  48
  49     def _fillModuleTree(self):
  50         modules = self._projectInfoRetrieve("MODULES")
  51         if modules is None:
  52             return
  53         categories = {}
  54         for module, information in modules.items():
  55             if information["category"] not in categories.keys():
  56                 categories[information["category"]] = []
  57             categories[information["category"]].append(module)
  58         for category, modules in categories.items():
  59             item = QTreeWidgetItem(QStringList([category]))
  60             for module in modules:
  61                 module_item = QTreeWidgetItem(item, QStringList([module]))
  62                 module_item.setCheckState(0, Qt.Unchecked)
  63             self.pageContent.moduleTree.addTopLevelItem(item)
  64         self.pageContent.moduleTree.sortItems(0, Qt.AscendingOrder)
  65
  66
  67     def _fillPropertyTable(self):
  68         module = self._currentModule()
  69         if module is not None:
  70             self._control_group.clear()
  71             configuration = self._projectInfoRetrieve("MODULES")[module]["configuration"]
  72             module_description = self._projectInfoRetrieve("MODULES")[module]["description"]
  73             self.pageContent.moduleLabel.setText(module_description)
  74             self.pageContent.moduleLabel.setVisible(True)
  75             self.pageContent.propertyTable.clear()
  76             self.pageContent.propertyTable.setRowCount(0)
  77             if configuration != "":
  78                 configurations = self._projectInfoRetrieve("CONFIGURATIONS")[configuration]
  79                 param_list = sorted(configurations["paramlist"])
  80                 index = 0
  81                 for i, property in param_list:
  82                     if "type" in configurations[property]["informations"] and configurations[property]["informations"]["type"] == "autoenabled":
  83                         ## Doesn't show the hidden fields
  84                         pass
  85                     else:
  86                         ## Set the row count to the current index + 1
  87                         self.pageContent.propertyTable.setRowCount(index + 1)
  88                         item = QTableWidgetItem(configurations[property]["brief"])
  89                         item.setData(Qt.UserRole, qvariant_converter.convertString(property))
  90                         self.pageContent.propertyTable.setItem(index, 0, item)
  91                         if "type" in configurations[property]["informations"].keys() and configurations[property]["informations"]["type"] == "boolean":
  92                             self._insertCheckBox(index, configurations[property]["value"])
  93                         elif "type" in configurations[property]["informations"].keys() and configurations[property]["informations"]["type"] == "enum":
  94                             self._insertComboBox(index, configurations[property]["value"], configurations[property]["informations"]["value_list"])
  95                         elif "type" in configurations[property]["informations"] and configurations[property]["informations"]["type"] == "int":
  96                             self._insertSpinBox(index, configurations[property]["value"], configurations[property]["informations"])
  97                         else:
  98                             # Not defined type, rendered as a text field
  99                             self.pageContent.propertyTable.setItem(index, 1, QTableWidgetItem(configurations[property]["value"]))
 100                         index += 1
 101
 102     def _insertCheckBox(self, index, value):
 103         ## boolean property
 104         check_box = QCheckBox()
 105         self.pageContent.propertyTable.setCellWidget(index, 1, check_box)
 106         if value == "1":
 107             check_box.setChecked(True)
 108         else:
 109             check_box.setChecked(False)
 110         self._control_group.addControl(index, check_box)
 111
 112     def _insertComboBox(self, index, value, value_list):
 113         ## enum property
 114         combo_box = QComboBox()
 115         self.pageContent.propertyTable.setCellWidget(index, 1, combo_box)
 116         enum = self._projectInfoRetrieve("LISTS")[value_list]
 117         for i, element in enumerate(enum):
 118             combo_box.addItem(element)
 119             if element == value:
 120                 combo_box.setCurrentIndex(i)
 121         self._control_group.addControl(index, combo_box)
 122
 123     def _insertSpinBox(self, index, value, informations):
 124         ## int, long or undefined type property
 125         spin_box = None
 126         if bertos_utils.isLong(informations) or bertos_utils.isUnsignedLong(informations):
 127             spin_box = QDoubleSpinBox()
 128             spin_box.setDecimals(0)
 129         else:
 130             spin_box = QSpinBox()
 131         self.pageContent.propertyTable.setCellWidget(index, 1, spin_box)
 132         minimum = -32768
 133         maximum = 32767
 134         suff = ""
 135         if bertos_utils.isLong(informations):
 136             minimum = -2147483648
 137             maximum = 2147483647
 138             suff = "L"
 139         elif bertos_utils.isUnsigned(informations):
 140             minimum = 0
 141             maximum = 65535
 142             suff = "U"
 143         elif bertos_utils.isUnsignedLong(informations):
 144             minimum = 0
 145             maximum = 4294967295
 146             suff = "UL"
 147         if "min" in informations.keys():
 148             minimum = int(informations["min"])
 149         if "max" in informations.keys():
 150             maximum = int(informations["max"])
 151         spin_box.setRange(minimum, maximum)
 152         spin_box.setSuffix(suff)
 153         spin_box.setValue(int(value.replace("L", "").replace("U", "")))
 154         self._control_group.addControl(index, spin_box)
 155
 156
 157     def _currentModule(self):
 158         current_module = self.pageContent.moduleTree.currentItem()
 159         # return only the child items
 160         if current_module is not None and current_module.parent() is not None:
 161             return unicode(current_module.text(0))
 162         else:
 163             return None
 164
 165     def _currentModuleConfigurations(self):
 166         return self._configurations(self._currentModule())
 167
 168     def _currentProperty(self):
 169         return qvariant_converter.getString(self.pageContent.propertyTable.item(self.pageContent.propertyTable.currentRow(), 0).data(Qt.UserRole))
 170
 171     def _currentPropertyItem(self):
 172         return self.pageContent.propertyTable.item(self.pageContent.propertyTable.currentRow(), 0)
 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             property_name = qvariant_converter.getString(self.pageContent.propertyTable.item(index, 0).data(Qt.UserRole))
 184             # Awful solution! Needed because if the user change the module, the selection changed...
 185             if property_name not in self._currentModuleConfigurations().keys():
 186                 break
 187             self.pageContent.propertyTable.item(index, 0).setText(self._currentModuleConfigurations()[property_name]['brief'])
 188
 189     def _showPropertyDescription(self):
 190         self._resetPropertyDescription()
 191         configurations = self._currentModuleConfigurations()
 192         if self._currentProperty() in configurations.keys():
 193             description = configurations[self._currentProperty()]["brief"]
 194             name = self._currentProperty()
 195             self._currentPropertyItem().setText(description + "\n" + name)
 196
 197     def _setupUi(self):
 198         self.pageContent.moduleTree.clear()
 199         self.pageContent.moduleTree.setHeaderHidden(True)
 200         self.pageContent.propertyTable.horizontalHeader().setResizeMode(QHeaderView.Stretch)
 201         self.pageContent.propertyTable.horizontalHeader().setVisible(False)
 202         self.pageContent.propertyTable.verticalHeader().setResizeMode(QHeaderView.ResizeToContents)
 203         self.pageContent.propertyTable.verticalHeader().setVisible(False)
 204         self.pageContent.propertyTable.setColumnCount(2)
 205         self.pageContent.propertyTable.setRowCount(0)
 206         self.pageContent.moduleLabel.setVisible(False)
 207
 208     def _connectSignals(self):
 209         self.connect(self.pageContent.moduleTree, SIGNAL("itemPressed(QTreeWidgetItem*, int)"), self._fillPropertyTable)
 210         self.connect(self.pageContent.moduleTree, SIGNAL("itemChanged(QTreeWidgetItem*, int)"), self._dependencyCheck)
 211         self.connect(self.pageContent.propertyTable, SIGNAL("itemSelectionChanged()"), self._showPropertyDescription)
 212         self.connect(self._control_group, SIGNAL("stateChanged"), self._saveValue)
 213
 214     def _saveValue(self, index):
 215         property = qvariant_converter.getString(self.pageContent.propertyTable.item(index, 0).data(Qt.UserRole))
 216         configuration = self._projectInfoRetrieve("MODULES")[self._currentModule()]["configuration"]
 217         configurations = self._projectInfoRetrieve("CONFIGURATIONS")
 218         if "type" not in configurations[configuration][property]["informations"].keys() or configurations[configuration][property]["informations"]["type"] == "int":
 219             configurations[configuration][property]["value"] = str(int(self.pageContent.propertyTable.cellWidget(index, 1).value()))
 220         elif configurations[configuration][property]["informations"]["type"] == "enum":
 221             configurations[configuration][property]["value"] = unicode(self.pageContent.propertyTable.cellWidget(index, 1).currentText())
 222         elif configurations[configuration][property]["informations"]["type"] == "boolean":
 223             if self.pageContent.propertyTable.cellWidget(index, 1).isChecked():
 224                 configurations[configuration][property]["value"] = "1"
 225             else:
 226                 configurations[configuration][property]["value"] = "0"
 227         self._projectInfoStore("CONFIGURATIONS", configurations)
 228
 229     def _moduleSelectionChanged(self, index):
 230         module = unicode(self.pageContent.moduleTable.item(index, 1).text())
 231         if self._button_group.button(index).isChecked():
 232             self._moduleSelected(module)
 233         else:
 234             self._moduleUnselected(module)
 235
 236     def _dependencyCheck(self, item):
 237         checked = False
 238         module = unicode(item.text(0))
 239         if item.checkState(0) == Qt.Checked:
 240             self._moduleSelected(module)
 241         else:
 242             self._moduleUnselected(module)
 243             self.removeFileDependencies(module)
 244
 245     def _moduleSelected(self, selectedModule):
 246         modules = self._projectInfoRetrieve("MODULES")
 247         modules[selectedModule]["enabled"] = True
 248         self._projectInfoStore("MODULES", modules)
 249         depends = self._projectInfoRetrieve("MODULES")[selectedModule]["depends"]
 250         unsatisfied = []
 251         if self.pageContent.automaticFix.isChecked():
 252             unsatisfied = self.selectDependencyCheck(selectedModule)
 253         if len(unsatisfied) > 0:
 254             for module in unsatisfied:
 255                 modules = self._projectInfoRetrieve("MODULES")
 256                 modules[module]["enabled"] = True
 257             for category in range(self.pageContent.moduleTree.topLevelItemCount()):
 258                 item = self.pageContent.moduleTree.topLevelItem(category)
 259                 for child in range(item.childCount()):
 260                     if unicode(item.child(child).text(0)) in unsatisfied:
 261                         item.child(child).setCheckState(0, Qt.Checked)
 262
 263     def _moduleUnselected(self, unselectedModule):
 264         modules = self._projectInfoRetrieve("MODULES")
 265         modules[unselectedModule]["enabled"] = False
 266         self._projectInfoStore("MODULES", modules)
 267         unsatisfied = []
 268         if self.pageContent.automaticFix.isChecked():
 269             unsatisfied = self.unselectDependencyCheck(unselectedModule)
 270         if len(unsatisfied) > 0:
 271             message = self.tr("The module %1 is needed by the following modules:\n%2.\n\nDo you want to remove these modules too?")
 272             message = message.arg(unselectedModule).arg(", ".join(unsatisfied))
 273             choice = QMessageBox.warning(self, self.tr("Dependency error"), message, QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
 274             if choice == QMessageBox.Yes:
 275                 for module in unsatisfied:
 276                     modules = self._projectInfoRetrieve("MODULES")
 277                     modules[module]["enabled"] = False
 278                 for category in range(self.pageContent.moduleTree.topLevelItemCount()):
 279                     item = self.pageContent.moduleTree.topLevelItem(category)
 280                     for child in range(item.childCount()):
 281                         if unicode(item.child(child).text(0)) in unsatisfied:
 282                             item.child(child).setCheckState(0, Qt.Unchecked)
 283
 284     def selectDependencyCheck(self, module):
 285         unsatisfied = set()
 286         modules = self._projectInfoRetrieve("MODULES")
 287         files = self._projectInfoRetrieve("FILES")
 288         for dependency in modules[module]["depends"]:
 289             if dependency in modules and not modules[dependency]["enabled"]:
 290                 unsatisfied |= set([dependency])
 291                 if dependency not in unsatisfied:
 292                     unsatisfied |= self.selectDependencyCheck(dependency)
 293             if dependency not in modules:
 294                 if dependency in files:
 295                     files[dependency] += 1
 296                 else:
 297                     files[dependency] = 1
 298         self._projectInfoStore("FILES", files)
 299         return unsatisfied
 300
 301     def unselectDependencyCheck(self, dependency):
 302         unsatisfied = set()
 303         modules = self._projectInfoRetrieve("MODULES")
 304         for module, informations in modules.items():
 305             if dependency in informations["depends"] and informations["enabled"]:
 306                 unsatisfied |= set([module])
 307                 if dependency not in unsatisfied:
 308                     unsatisfied |= self.unselectDependencyCheck(module)
 309         return unsatisfied
 310
 311     def removeFileDependencies(self, module):
 312         modules = self._projectInfoRetrieve("MODULES")
 313         files = self._projectInfoRetrieve("FILES")
 314         dependencies = modules[module]["depends"]
 315         for dependency in dependencies:
 316             if dependency in files:
 317                 files[dependency] -= 1
 318                 if files[dependency] == 0:
 319                     del files[dependency]
 320         self._projectInfoStore("FILES", files)
 321
 322 class QControlGroup(QObject):
 323     def __init__(self):
 324         QObject.__init__(self)
 325         self._controls = {}
 326
 327     def addControl(self, id, control):
 328         self._controls[id] = control
 329         if type(control) == QCheckBox:
 330             self.connect(control, SIGNAL("stateChanged(int)"), lambda: self._stateChanged(id))
 331         elif type(control) == QSpinBox:
 332             self.connect(control, SIGNAL("valueChanged(int)"), lambda: self._stateChanged(id))
 333         elif type(control) == QComboBox:
 334             self.connect(control, SIGNAL("currentIndexChanged(int)"), lambda: self._stateChanged(id))
 335         elif type(control) == QDoubleSpinBox:
 336             self.connect(control, SIGNAL("valueChanged(double)"), lambda: self._stateChanged(id))
 337
 338     def clear(self):
 339         self._controls = {}
 340
 341     def _stateChanged(self, id):
 342         self.emit(SIGNAL("stateChanged"), id)