wizard/BModulePage.py

   1 #!/usr/bin/env python
   2 # encoding: utf-8
   3 #
   4 # This file is part of BeRTOS.
   5 #
   6 # Bertos is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19 #
  20 # As a special exception, you may use this file as part of a free software
  21 # library without restriction.  Specifically, if other files instantiate
  22 # templates or use macros or inline functions from this file, or you compile
  23 # this file and link it with other files to produce an executable, this
  24 # file does not by itself cause the resulting executable to be covered by
  25 # the GNU General Public License.  This exception does not however
  26 # invalidate any other reasons why the executable file might be covered by
  27 # the GNU General Public License.
  28 #
  29 # Copyright 2008 Develer S.r.l. (http://www.develer.com/)
  30 #
  31 #
  32 # Author: Lorenzo Berni <duplo@develer.com>
  33 #
  34
  35 import os
  36
  37 from PyQt4.QtCore import *
  38 from PyQt4.QtGui import *
  39 from BWizardPage import *
  40 import bertos_utils
  41
  42 from bertos_utils import SupportedException
  43 from DefineException import *
  44 from const import *
  45
  46 class BModulePage(BWizardPage):
  47     """
  48     Page of the wizard that permits to select and configurate the BeRTOS modules.
  49     """
  50
  51     def __init__(self):
  52         BWizardPage.__init__(self, UI_LOCATION + "/module_select.ui")
  53         self.setTitle(self.tr("Configure the BeRTOS modules"))
  54         self._control_group = QControlGroup()
  55         ## special connection needed for the QControlGroup
  56         self.connect(self._control_group, SIGNAL("stateChanged"), self.saveValue)
  57
  58     ## Overloaded BWizardPage methods ##
  59
  60     def setupUi(self):
  61         """
  62         Overload of BWizardPage setupUi method.
  63         """
  64         self.pageContent.moduleTree.clear()
  65         self.pageContent.moduleTree.setHeaderHidden(True)
  66         self.pageContent.propertyTable.horizontalHeader().setResizeMode(QHeaderView.Stretch)
  67         self.pageContent.propertyTable.horizontalHeader().setVisible(False)
  68         self.pageContent.propertyTable.verticalHeader().setResizeMode(QHeaderView.ResizeToContents)
  69         self.pageContent.propertyTable.verticalHeader().setVisible(False)
  70         self.pageContent.propertyTable.setColumnCount(2)
  71         self.pageContent.propertyTable.setRowCount(0)
  72         self.pageContent.moduleLabel.setVisible(False)
  73         self.pageContent.warningLabel.setVisible(False)
  74
  75     def connectSignals(self):
  76         """
  77         Overload of the BWizardPage connectSignals method.
  78         """
  79         self.connect(self.pageContent.moduleTree, SIGNAL("itemPressed(QTreeWidgetItem*, int)"), self.fillPropertyTable)
  80         self.connect(self.pageContent.moduleTree, SIGNAL("itemPressed(QTreeWidgetItem*, int)"), self.moduleClicked)
  81         self.connect(self.pageContent.moduleTree, SIGNAL("itemChanged(QTreeWidgetItem*, int)"), self.dependencyCheck)
  82
  83     def reloadData(self, previous_id=None):
  84         """
  85         Overload of the BWizardPage reloadData method.
  86         """
  87         # Check if the user are approaching this page from the previous or the
  88         # next one.
  89         if previous_id is None or previous_id < self.wizard().currentId():
  90             try:
  91                 QApplication.instance().setOverrideCursor(Qt.WaitCursor)
  92                 self.setupUi()
  93                 self.loadModuleData()
  94                 self.fillModuleTree()
  95             finally:
  96                 QApplication.instance().restoreOverrideCursor()
  97
  98     ####
  99
 100     ## Slots ##
 101
 102     def moduleClicked(self, item, column):
 103         self.setBold(item, False)
 104
 105     def fillPropertyTable(self):
 106         """
 107         Slot called when the user selects a module from the module tree.
 108         Fills the property table using the configuration parameters defined in
 109         the source tree.
 110         """
 111         module = self.currentModule()
 112         if module:
 113             try:
 114                 supported = bertos_utils.isSupported(self.project, module=module)
 115             except SupportedException, e:
 116                 self.exceptionOccurred(self.tr("Error evaluating \"%1\" for module %2").arg(e.support_string).arg(module))
 117                 supported = True
 118             self._control_group.clear()
 119             configuration = self.projectInfo("MODULES")[module]["configuration"]
 120             module_description = self.projectInfo("MODULES")[module]["description"]
 121             self.pageContent.moduleLabel.setText(module_description)
 122             self.pageContent.moduleLabel.setVisible(True)
 123             if not supported:
 124                 self.pageContent.warningLabel.setVisible(True)
 125                 selected_cpu = self.projectInfo("CPU_NAME")
 126                 self.pageContent.warningLabel.setText(self.tr("<font color='#FF0000'>Warning: the selected module, \
 127                     is not completely supported by the %1.</font>").arg(selected_cpu))
 128             else:
 129                 self.pageContent.warningLabel.setVisible(False)
 130             self.pageContent.propertyTable.clear()
 131             self.pageContent.propertyTable.setRowCount(0)
 132             if configuration != "":
 133                 configurations = self.projectInfo("CONFIGURATIONS")[configuration]
 134                 param_list = sorted(configurations["paramlist"])
 135                 index = 0
 136                 for i, property in param_list:
 137                     if "type" in configurations[property]["informations"] and configurations[property]["informations"]["type"] == "autoenabled":
 138                         # Doesn't show the hidden fields
 139                         continue
 140                     try:
 141                         param_supported = bertos_utils.isSupported(self.project, property_id=(configuration, property))
 142                     except SupportedException, e:
 143                         self.exceptionOccurred(self.tr("Error evaluating \"%1\" for parameter %2").arg(e.support_string).arg(property))
 144                         param_supported = True
 145                     if not param_supported:
 146                         # Doesn't show the unsupported parameters
 147                         continue
 148                     # Set the row count to the current index + 1
 149                     self.pageContent.propertyTable.setRowCount(index + 1)
 150                     item = QTableWidgetItem(configurations[property]["brief"])
 151                     item.setFlags(item.flags() & ~Qt.ItemIsSelectable)
 152                     tooltip = property
 153                     description = configurations[property].get("description", None)
 154                     if description:
 155                         tooltip = tooltip + ": " + description
 156                     item.setToolTip(tooltip)
 157                     item.setData(Qt.UserRole, qvariant_converter.convertString(property))
 158                     self.pageContent.propertyTable.setItem(index, 0, item)
 159                     if "type" in configurations[property]["informations"] and configurations[property]["informations"]["type"] == "boolean":
 160                         self.insertCheckBox(index, configurations[property]["value"])
 161                     elif "type" in configurations[property]["informations"] and configurations[property]["informations"]["type"] == "enum":
 162                         self.insertComboBox(index, configurations[property]["value"], configurations[property]["informations"]["value_list"])
 163                     elif "type" in configurations[property]["informations"] and configurations[property]["informations"]["type"] == "int":
 164                         self.insertSpinBox(index, configurations[property]["value"], configurations[property]["informations"])
 165                     elif "type" in configurations[property]["informations"] and configurations[property]["informations"]["type"] == "hex":
 166                         self.insertLineEdit(index, configurations[property]["value"], configurations[property]["informations"])
 167                     else:
 168                         # Not defined type, rendered as a text field
 169                         self.pageContent.propertyTable.setItem(index, 1, QTableWidgetItem(configurations[property]["value"]))
 170                     index += 1
 171             if self.pageContent.propertyTable.rowCount() == 0:
 172                 module_label = self.pageContent.moduleLabel.text()
 173                 module_label += "\n\nNo configuration needed."
 174                 self.pageContent.moduleLabel.setText(module_label)
 175         else:
 176             self.pageContent.moduleLabel.setText("")
 177             self.pageContent.moduleLabel.setVisible(False)
 178             self.pageContent.propertyTable.clear()
 179             self.pageContent.propertyTable.setRowCount(0)
 180
 181     def dependencyCheck(self, item):
 182         """
 183         Checks the dependencies of the module associated with the given item.
 184         """
 185         checked = False
 186         module = unicode(item.text(0))
 187         if item.checkState(0) == Qt.Checked:
 188             self.moduleSelected(module)
 189         else:
 190             self.moduleUnselected(module)
 191             self.removeFileDependencies(module)
 192
 193     def showPropertyDescription(self):
 194         """
 195         Slot called when the property selection changes. Shows the description
 196         of the selected property.
 197         """
 198         self.resetPropertyDescription()
 199         configurations = self.currentModuleConfigurations()
 200         if self.currentProperty() in configurations:
 201             description = configurations[self.currentProperty()]["brief"]
 202             name = self.currentProperty()
 203             self.currentPropertyItem().setText(description + "\n" + name)
 204
 205     def saveValue(self, index):
 206         """
 207         Slot called when the user modifies one of the configuration parameters.
 208         It stores the new value."""
 209         property = qvariant_converter.getString(self.pageContent.propertyTable.item(index, 0).data(Qt.UserRole))
 210         configuration = self.projectInfo("MODULES")[self.currentModule()]["configuration"]
 211         configurations = self.projectInfo("CONFIGURATIONS")
 212         if "type" not in configurations[configuration][property]["informations"] or configurations[configuration][property]["informations"]["type"] == "int":
 213             configurations[configuration][property]["value"] = unicode(int(self.pageContent.propertyTable.cellWidget(index, 1).value()))
 214         elif configurations[configuration][property]["informations"]["type"] == "enum":
 215             configurations[configuration][property]["value"] = unicode(self.pageContent.propertyTable.cellWidget(index, 1).currentText())
 216         elif configurations[configuration][property]["informations"]["type"] == "boolean":
 217             if self.pageContent.propertyTable.cellWidget(index, 1).isChecked():
 218                 configurations[configuration][property]["value"] = "1"
 219             else:
 220                 configurations[configuration][property]["value"] = "0"
 221         elif configurations[configuration][property]["informations"]["type"] == "hex":
 222             configurations[configuration][property]["value"] = unicode(self.pageContent.propertyTable.cellWidget(index, 1).text())
 223         self.setProjectInfo("CONFIGURATIONS", configurations)
 224         if self.moduleItem(self.currentModule()).checkState(0) == Qt.Checked:
 225             self.dependencyCheck(self.moduleItem(self.currentModule()))
 226
 227     ####
 228
 229     def loadModuleData(self):
 230         """
 231         Loads the module data.
 232         """
 233         # Do not load the module data again when the Wizard is in editing mode
 234         # or when it's working on a preset.
 235         if not self.project.edit and not self.project.from_preset:
 236             # Load the module data every time so that if the user changed the cpu
 237             # the right configurations are picked up.
 238             try:
 239                 self.project.loadModuleData()
 240             except ModuleDefineException, e:
 241                 self.exceptionOccurred(self.tr("Error parsing line '%2' in file %1").arg(e.path).arg(e.line))
 242             except EnumDefineException, e:
 243                 self.exceptionOccurred(self.tr("Error parsing line '%2' in file %1").arg(e.path).arg(e.line))
 244             except ConfigurationDefineException, e:
 245                 self.exceptionOccurred(self.tr("Error parsing line '%2' in file %1").arg(e.path).arg(e.line))
 246
 247     def fillModuleTree(self):
 248         """
 249         Fills the module tree with the module entries separated in categories.
 250         """
 251         self.pageContent.moduleTree.clear()
 252         modules = self.projectInfo("MODULES")
 253         if not modules:
 254             return
 255         categories = {}
 256         for module, information in modules.items():
 257             if information["category"] not in categories:
 258                 categories[information["category"]] = []
 259             categories[information["category"]].append(module)
 260         for category, module_list in categories.items():
 261             item = QTreeWidgetItem(QStringList([category]))
 262             for module in module_list:
 263                 enabled = modules[module]["enabled"]
 264                 module_item = QTreeWidgetItem(item, QStringList([module]))
 265                 try:
 266                     supported = bertos_utils.isSupported(self.project, module=module)
 267                 except SupportedException, e:
 268                     self.exceptionOccurred(self.tr("Error evaluating \"%1\" for module %2").arg(e.support_string).arg(module))
 269                     supported = True
 270                 if not supported:
 271                     module_item.setForeground(0, QBrush(QColor(Qt.red)))
 272                 if enabled:
 273                     module_item.setCheckState(0, Qt.Checked)
 274                 else:
 275                     module_item.setCheckState(0, Qt.Unchecked)
 276             self.pageContent.moduleTree.addTopLevelItem(item)
 277         self.pageContent.moduleTree.sortItems(0, Qt.AscendingOrder)
 278         self.fillPropertyTable()
 279
 280     def insertCheckBox(self, index, value):
 281         """
 282         Inserts in the table at index a checkbox for a boolean property setted
 283         to value.
 284         """
 285         check_box = QCheckBox()
 286         self.pageContent.propertyTable.setCellWidget(index, 1, check_box)
 287         if value == "1":
 288             check_box.setChecked(True)
 289         else:
 290             check_box.setChecked(False)
 291         self._control_group.addControl(index, check_box)
 292
 293     def insertComboBox(self, index, value, value_list):
 294         """
 295         Inserts in the table at index a combobox for an enum property setted
 296         to value.
 297         """
 298         try:
 299             enum = self.projectInfo("LISTS")[value_list]
 300             combo_box = QComboBox()
 301             self.pageContent.propertyTable.setCellWidget(index, 1, combo_box)
 302             for i, element in enumerate(enum):
 303                 combo_box.addItem(element)
 304                 if element == value:
 305                     combo_box.setCurrentIndex(i)
 306             self._control_group.addControl(index, combo_box)
 307         except KeyError:
 308             self.exceptionOccurred(self.tr("Define list \"%1\" not found. Check definition files.").arg(value_list))
 309             self.pageContent.propertyTable.setItem(index, 1, QTableWidgetItem(value))
 310
 311     def insertSpinBox(self, index, value, informations):
 312         """
 313         Inserts in the table at index a spinbox for an int, a long or an unsigned
 314         long property setted to value.
 315         """
 316         # int, long or undefined type property
 317         spin_box = None
 318         if bertos_utils.isLong(informations) or bertos_utils.isUnsignedLong(informations):
 319             spin_box = QDoubleSpinBox()
 320             spin_box.setDecimals(0)
 321         else:
 322             spin_box = QSpinBox()
 323         self.pageContent.propertyTable.setCellWidget(index, 1, spin_box)
 324         minimum = -32768
 325         maximum = 32767
 326         suff = ""
 327         if bertos_utils.isLong(informations):
 328             minimum = -2147483648
 329             maximum = 2147483647
 330             suff = "L"
 331         elif bertos_utils.isUnsigned(informations):
 332             minimum = 0
 333             maximum = 65535
 334             suff = "U"
 335         elif bertos_utils.isUnsignedLong(informations):
 336             minimum = 0
 337             maximum = 4294967295
 338             suff = "UL"
 339         if "min" in informations:
 340             minimum = int(informations["min"])
 341         if "max" in informations:
 342             maximum = int(informations["max"])
 343         spin_box.setRange(minimum, maximum)
 344         spin_box.setSuffix(suff)
 345         spin_box.setValue(int(value.replace("L", "").replace("U", "")))
 346         self._control_group.addControl(index, spin_box)
 347
 348
 349     def insertLineEdit(self, index, value, informations):
 350         """
 351         Inserts in the table at index a line edit for hexadecimal property
 352         setted to value.
 353         """
 354         edit_box = QLineEdit()
 355         edit_validator = QRegExpValidator(QRegExp(r"^0x[0-9A-Fa-f]+$"), edit_box)
 356         edit_box.setValidator(edit_validator)
 357         self.pageContent.propertyTable.setCellWidget(index, 1, edit_box)
 358         edit_box.setText(value)
 359         self._control_group.addControl(index, edit_box)
 360
 361     def currentModule(self):
 362         """
 363         Retuns the current module name.
 364         """
 365         current_module = self.pageContent.moduleTree.currentItem()
 366         # return only the child items
 367         if current_module and current_module.parent():
 368             return unicode(current_module.text(0))
 369         else:
 370             return None
 371
 372     def moduleItem(self, module):
 373         for top_level_index in range(self.pageContent.moduleTree.topLevelItemCount()):
 374             top_level_item = self.pageContent.moduleTree.topLevelItem(top_level_index)
 375             for child_index in range(top_level_item.childCount()):
 376                 child_item = top_level_item.child(child_index)
 377                 if unicode(child_item.text(0)) == module:
 378                     return child_item
 379         return None
 380
 381     def currentModuleConfigurations(self):
 382         """
 383         Returns the current module configuration.
 384         """
 385         return self.configurations(self.currentModule())
 386
 387     def currentProperty(self):
 388         """
 389         Rerturns the current property from the property table.
 390         """
 391         return qvariant_converter.getString(self.pageContent.propertyTable.item(self.pageContent.propertyTable.currentRow(), 0).data(Qt.UserRole))
 392
 393     def currentPropertyItem(self):
 394         """
 395         Returns the QTableWidgetItem of the current property.
 396         """
 397         return self.pageContent.propertyTable.item(self.pageContent.propertyTable.currentRow(), 0)
 398
 399     def configurations(self, module):
 400         """
 401         Returns the configuration for the selected module.
 402         """
 403         configuration = []
 404         if module:
 405             # On linux platform it seems that the behaviour of the focus
 406             # changing is a bit different from the mac one. So if module is
 407             # None then no configurations should be returned.
 408             configuration = self.projectInfo("MODULES")[module]["configuration"]
 409         if len(configuration) > 0:
 410             return self.projectInfo("CONFIGURATIONS")[configuration]
 411         else:
 412             return {}
 413
 414     def resetPropertyDescription(self):
 415         """
 416         Resets the label for each property table entry.
 417         """
 418         for index in range(self.pageContent.propertyTable.rowCount()):
 419             property_name = qvariant_converter.getString(self.pageContent.propertyTable.item(index, 0).data(Qt.UserRole))
 420             # Awful solution! Needed because if the user change the module, the selection changed...
 421             if property_name not in self.currentModuleConfigurations():
 422                 break
 423             self.pageContent.propertyTable.item(index, 0).setText(self.currentModuleConfigurations()[property_name]['brief'])
 424
 425     def setBold(self, item, bold):
 426         self.pageContent.moduleTree.blockSignals(True)
 427         font = item.font(0)
 428         font.setBold(bold)
 429         item.setFont(0, font)
 430         self.pageContent.moduleTree.blockSignals(False)
 431
 432     def isBold(self, item):
 433         return item.font(0).bold()
 434
 435     def moduleSelected(self, selectedModule):
 436         """
 437         Resolves the selection dependencies.
 438         """
 439         try:
 440             qApp.setOverrideCursor(Qt.WaitCursor)
 441             modules = self.projectInfo("MODULES")
 442             modules[selectedModule]["enabled"] = True
 443             self.setProjectInfo("MODULES", modules)
 444             depends = self.projectInfo("MODULES")[selectedModule]["depends"]
 445             unsatisfied = []
 446             if self.pageContent.automaticFix.isChecked():
 447                 unsatisfied = self.selectDependencyCheck(selectedModule)
 448             if len(unsatisfied) > 0:
 449                 for module in unsatisfied:
 450                     modules = self.projectInfo("MODULES")
 451                     modules[module]["enabled"] = True
 452                 for category in range(self.pageContent.moduleTree.topLevelItemCount()):
 453                     item = self.pageContent.moduleTree.topLevelItem(category)
 454                     for child in range(item.childCount()):
 455                         if unicode(item.child(child).text(0)) in unsatisfied:
 456                             self.setBold(item.child(child), True)
 457                             self.setBold(item, True)
 458                             item.child(child).setCheckState(0, Qt.Checked)
 459         finally:
 460             qApp.restoreOverrideCursor()
 461
 462     def moduleUnselected(self, unselectedModule):
 463         """
 464         Resolves the unselection dependencies.
 465         """
 466         try:
 467             qApp.setOverrideCursor(Qt.WaitCursor)
 468             modules = self.projectInfo("MODULES")
 469             modules[unselectedModule]["enabled"] = False
 470             self.setProjectInfo("MODULES", modules)
 471             unsatisfied = []
 472             unsatisfied_params = []
 473             if self.pageContent.automaticFix.isChecked():
 474                 unsatisfied, unsatisfied_params = self.unselectDependencyCheck(unselectedModule)
 475             if len(unsatisfied) > 0 or len(unsatisfied_params) > 0:
 476                 message = []
 477                 heading = self.tr("The module %1 is needed by").arg(unselectedModule)
 478                 message.append(heading)
 479                 module_list = ", ".join(unsatisfied)
 480                 param_list = ", ".join(["%s (%s)" %(param_name, module) for module, param_name in unsatisfied_params])
 481                 if module_list:
 482                     message.append(QString(module_list))
 483                 if module_list and param_list:
 484                     message.append(self.tr("and by"))
 485                 if param_list:
 486                     message.append(QString(param_list))
 487                 message_str = QStringList(message).join(" ")
 488                 message_str.append(self.tr("\n\nDo you want to automatically fix these conflicts?"))
 489                 qApp.restoreOverrideCursor()
 490                 choice = QMessageBox.warning(self, self.tr("Dependency error"), message_str, QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
 491                 qApp.setOverrideCursor(Qt.WaitCursor)
 492                 if choice == QMessageBox.Yes:
 493                     for module in unsatisfied:
 494                         modules = self.projectInfo("MODULES")
 495                         modules[module]["enabled"] = False
 496                     for category in range(self.pageContent.moduleTree.topLevelItemCount()):
 497                         item = self.pageContent.moduleTree.topLevelItem(category)
 498                         self.setBold(item, False)
 499                         for child in range(item.childCount()):
 500                             if unicode(item.child(child).text(0)) in unsatisfied:
 501                                 self.setBold(item.child(child), False)
 502                                 item.child(child).setCheckState(0, Qt.Unchecked)
 503                             else:
 504                                 if self.isBold(item.child(child)):
 505                                     self.setBold(item, True)
 506                     for module, param in unsatisfied_params:
 507                         configuration_file = self.projectInfo("MODULES")[module]["configuration"]
 508                         configurations = self.projectInfo("CONFIGURATIONS")
 509                         configurations[configuration_file][param]["value"] = "0"
 510                         self.setProjectInfo("CONFIGURATIONS", configurations)
 511         finally:
 512             qApp.restoreOverrideCursor()
 513
 514     def selectDependencyCheck(self, module):
 515         """
 516         Returns the list of unsatisfied dependencies after a selection.
 517         """
 518         unsatisfied = set()
 519         modules = self.projectInfo("MODULES")
 520         files = self.projectInfo("FILES")
 521         configurations = self.projectInfo("CONFIGURATIONS").get(modules[module]["configuration"], {"paramlist": ()})
 522         conditional_deps = ()
 523         for i, param_name in configurations["paramlist"]:
 524             information = configurations[param_name]
 525             if information["informations"]["type"] == "boolean" and \
 526                 information["value"] != "0" and \
 527                 "conditional_deps" in information["informations"]:
 528
 529                 conditional_deps += information["informations"]["conditional_deps"]
 530
 531         for dependency in modules[module]["depends"] + conditional_deps:
 532             if dependency in modules and not modules[dependency]["enabled"]:
 533                 unsatisfied |= set([dependency])
 534                 if dependency not in unsatisfied:
 535                     unsatisfied |= self.selectDependencyCheck(dependency)
 536             if dependency not in modules:
 537                 if dependency in files:
 538                     files[dependency] += 1
 539                 else:
 540                     files[dependency] = 1
 541         self.setProjectInfo("FILES", files)
 542         return unsatisfied
 543
 544     def unselectDependencyCheck(self, dependency):
 545         """
 546         Returns the list of unsatisfied dependencies after an unselection.
 547         """
 548         unsatisfied = set()
 549         unsatisfied_params = set()
 550         modules = self.projectInfo("MODULES")
 551         for module, informations in modules.items():
 552             configurations = self.projectInfo("CONFIGURATIONS").get(informations["configuration"], {"paramlist": ()})
 553             conditional_deps = {}
 554             for i, param_name in configurations["paramlist"]:
 555                 information = configurations[param_name]
 556                 if information["informations"]["type"] == "boolean" and information["value"] != "0" and "conditional_deps" in information["informations"]:
 557                     for dep in information["informations"]["conditional_deps"]:
 558                         if not dep in conditional_deps:
 559                             conditional_deps[dep] = []
 560                         conditional_deps[dep].append((module, param_name))
 561             if dependency in informations["depends"] and informations["enabled"]:
 562                 unsatisfied |= set([module])
 563                 if dependency not in unsatisfied:
 564                     tmp = self.unselectDependencyCheck(module)
 565                     unsatisfied |= tmp[0]
 566                     unsatisfied_params |= tmp[1]
 567             if dependency in conditional_deps:
 568                 unsatisfied_params |= set(conditional_deps[dependency])
 569         return unsatisfied, unsatisfied_params
 570
 571     def removeFileDependencies(self, module):
 572         """
 573         Removes the files dependencies of the given module.
 574         """
 575         modules = self.projectInfo("MODULES")
 576         files = self.projectInfo("FILES")
 577         dependencies = modules[module]["depends"]
 578         for dependency in dependencies:
 579             if dependency in files:
 580                 files[dependency] -= 1
 581                 if files[dependency] == 0:
 582                     del files[dependency]
 583         self.setProjectInfo("FILES", files)
 584
 585 class QControlGroup(QObject):
 586     """
 587     Simple class that permit to connect different signals of different widgets
 588     with a slot that emit a signal. Permits to group widget and to understand which of
 589     them has sent the signal.
 590     """
 591
 592     def __init__(self):
 593         QObject.__init__(self)
 594         self._controls = {}
 595
 596     def addControl(self, id, control):
 597         """
 598         Add a control.
 599         """
 600         self._controls[id] = control
 601         if type(control) == QCheckBox:
 602             self.connect(control, SIGNAL("stateChanged(int)"), lambda: self.stateChanged(id))
 603         elif type(control) == QSpinBox:
 604             self.connect(control, SIGNAL("valueChanged(int)"), lambda: self.stateChanged(id))
 605         elif type(control) == QComboBox:
 606             self.connect(control, SIGNAL("currentIndexChanged(int)"), lambda: self.stateChanged(id))
 607         elif type(control) == QDoubleSpinBox:
 608             self.connect(control, SIGNAL("valueChanged(double)"), lambda: self.stateChanged(id))
 609         elif type(control) == QLineEdit:
 610             self.connect(control, SIGNAL("textChanged(QString)"), lambda: self.stateChanged(id))
 611
 612     def clear(self):
 613         """
 614         Remove all the controls.
 615         """
 616         self._controls = {}
 617
 618     def stateChanged(self, id):
 619         """
 620         Slot called when the value of one of the stored widget changes. It emits
 621         another signal.
 622         """
 623         self.emit(SIGNAL("stateChanged"), id)