src/ModuleBase/ModuleBase_IModule.cpp

   1 // Copyright (C) 2014-2019  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "ModelAPI_IReentrant.h"
  21 #include "ModelAPI_EventReentrantMessage.h"
  22
  23 #include "ModuleBase_IModule.h"
  24 #include "ModuleBase_IViewer.h"
  25 #include "ModuleBase_ViewerPrs.h"
  26 #include "ModuleBase_Operation.h"
  27 #include "ModuleBase_IPropertyPanel.h"
  28 #include "ModuleBase_ISelection.h"
  29 #include "ModuleBase_OperationDescription.h"
  30 #include "ModuleBase_OperationFeature.h"
  31 #include "ModuleBase_ModelWidget.h"
  32 #include "ModuleBase_WidgetFactory.h"
  33 #include "ModuleBase_PageWidget.h"
  34 #include "ModuleBase_Dialog.h"
  35 #include "ModuleBase_IErrorMgr.h"
  36
  37 #include <Events_Loop.h>
  38 #include <Events_Message.h>
  39
  40 #include <ModelAPI_Events.h>
  41 #include <ModelAPI_CompositeFeature.h>
  42 #include <ModelAPI_Session.h>
  43 #include "ModelAPI_Tools.h"
  44
  45 #include <Config_PointerMessage.h>
  46 #include <Config_WidgetReader.h>
  47 #include <Config_ModuleReader.h>
  48
  49 #include <QAction>
  50 #include <QMainWindow>
  51 #include <QDialog>
  52 #include <QLayout>
  53 #include <QDialogButtonBox>
  54 #include <QPushButton>
  55
  56 ModuleBase_IModule::ModuleBase_IModule(ModuleBase_IWorkshop* theParent)
  57   : QObject(theParent), myWorkshop(theParent)
  58 {
  59   connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
  60
  61
  62   //connect(myWorkshop->viewer(), SIGNAL(mousePress(QMouseEvent*)), this,
  63   //        SLOT(onMousePressed(QMouseEvent*)));
  64   //connect(myWorkshop->viewer(), SIGNAL(mouseRelease(QMouseEvent*)), this,
  65   //        SLOT(onMouseReleased(QMouseEvent*)));
  66   //connect(myWorkshop->viewer(), SIGNAL(mouseMove(QMouseEvent*)), this,
  67   //        SLOT(onMouseMoved(QMouseEvent*)));
  68   //connect(myWorkshop->viewer(), SIGNAL(keyRelease(QKeyEvent*)), this,
  69   //        SLOT(onKeyRelease(QKeyEvent*)));
  70   //connect(myWorkshop->viewer(), SIGNAL(mouseDoubleClick(QMouseEvent*)), this,
  71   //        SLOT(onMouseDoubleClick(QMouseEvent*)));
  72 }
  73
  74 void ModuleBase_IModule::launchModal(const QString& theCmdId)
  75 {
  76   bool isCommitted;
  77   if (!myWorkshop->canStartOperation(theCmdId, isCommitted))
  78     return;
  79
  80   std::string aXmlCfg, aDescription;
  81   getXMLRepresentation(theCmdId.toStdString(), aXmlCfg, aDescription);
  82
  83   SessionPtr aMgr = ModelAPI_Session::get();
  84   aMgr->startOperation(theCmdId.toStdString());
  85
  86   ModuleBase_Dialog aDlg(myWorkshop, theCmdId, aXmlCfg);
  87   if (aDlg.exec() == QDialog::Accepted)
  88     aMgr->finishOperation();
  89   else
  90     aMgr->abortOperation();
  91   myWorkshop->updateCommandStatus();
  92 }
  93
  94
  95 void ModuleBase_IModule::launchOperation(const QString& theCmdId,
  96                                          const bool& isStartAfterCommitOnly)
  97 {
  98   /// selection should be obtained from workshop before ask if the operation can be started as
  99   /// the canStartOperation method performs commit/abort of previous operation.
 100   /// Sometimes commit/abort may cause selection clear(Sketch operation) as a result
 101   /// it will be lost and is not used for preselection.
 102   ModuleBase_ISelection* aSelection = myWorkshop->selection();
 103   QList<ModuleBase_ViewerPrsPtr> aPreSelected =
 104     aSelection->getSelected(ModuleBase_ISelection::AllControls);
 105
 106   ModuleBase_OperationFeature* aCurOperation = dynamic_cast<ModuleBase_OperationFeature*>
 107                                                          (myWorkshop->currentOperation());
 108   QString aCurOperationKind = aCurOperation ? aCurOperation->getDescription()->operationId() : "";
 109
 110   bool isCommitted;
 111   if (!myWorkshop->canStartOperation(theCmdId, isCommitted))
 112     return;
 113
 114   /// reentrant operation(Sketch Line) should not be started if operation is aborted
 115   if (isStartAfterCommitOnly && !isCommitted)
 116     return;
 117
 118   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 119                                              (createOperation(theCmdId.toStdString()));
 120   if (aFOperation) {
 121     std::shared_ptr<Events_Message> aMessage = reentrantMessage();
 122     if (aMessage.get()) {
 123       setReentrantPreSelection(aMessage);
 124     }
 125     else if (canUsePreselection(aCurOperationKind, theCmdId)) {
 126       // restore of previous opeation is absent or new launched operation has the same kind
 127       aFOperation->initSelection(aPreSelected);
 128     }
 129     workshop()->processLaunchOperation(aFOperation);
 130
 131     if (aFOperation) {
 132       FeaturePtr aFeature = aFOperation->feature();
 133       ModelReentrantPtr aReentrantFeature =
 134                                       std::dynamic_pointer_cast<ModelAPI_IReentrant>(aFeature);
 135       if (aReentrantFeature.get()) {
 136         if (aMessage.get()) {
 137           ModuleBase_IPropertyPanel* aPanel = workshop()->propertyPanel();
 138           std::string aPrevAttribute = aReentrantFeature->processEvent(aMessage);
 139           if (!aPrevAttribute.empty()) {
 140             workshop()->errorMgr()->updateActions(aFeature);
 141             ModuleBase_ModelWidget* aPrevWidget = aPanel->modelWidget(aPrevAttribute);
 142             aPanel->activateNextWidget(aPrevWidget);
 143           }
 144         }
 145       }
 146     }
 147   }
 148 }
 149
 150 Handle(AIS_InteractiveObject) ModuleBase_IModule::createPresentation(const ObjectPtr& theResult)
 151 {
 152   return Handle(AIS_InteractiveObject)();
 153 }
 154
 155 bool ModuleBase_IModule::canBeShaded(Handle(AIS_InteractiveObject) theAIS) const
 156 {
 157   return true;
 158 }
 159
 160 QString ModuleBase_IModule::getFeatureError(const FeaturePtr& theFeature)
 161 {
 162   // Error already translated.
 163   std::string aMsg = ModelAPI_Tools::getFeatureError(theFeature);
 164   return QString::fromUtf8(aMsg.c_str());
 165 }
 166
 167 void ModuleBase_IModule::grantedOperationIds(ModuleBase_Operation* theOperation,
 168                                              QStringList& theIds) const
 169 {
 170 }
 171
 172 ModuleBase_Operation* ModuleBase_IModule::getNewOperation(const std::string& theFeatureId)
 173 {
 174   return new ModuleBase_OperationFeature(theFeatureId.c_str(), this);
 175 }
 176
 177 bool ModuleBase_IModule::customizeObject(ObjectPtr theObject,
 178                               const ModuleBase_IModule::ModuleBase_CustomizeFlag& theFlag,
 179                               const bool theUpdateViewer)
 180 {
 181   return false;
 182 }
 183
 184 ModuleBase_Operation* ModuleBase_IModule::createOperation(const std::string& theFeatureId)
 185 {
 186   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 187                                                           (getNewOperation(theFeatureId));
 188   // If the operation is launched as sub-operation of another then we have to initialize
 189   // parent feature
 190   ModuleBase_OperationFeature* aCurOperation = dynamic_cast<ModuleBase_OperationFeature*>
 191                                                          (myWorkshop->currentOperation());
 192   if (aCurOperation) {
 193     FeaturePtr aFeature = aCurOperation->feature();
 194     CompositeFeaturePtr aCompFeature =
 195         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
 196     if (aCompFeature) {
 197       aFOperation->setParentFeature(aCompFeature);
 198     }
 199   }
 200
 201   std::string aXmlCfg, aDescription;
 202   getXMLRepresentation(theFeatureId, aXmlCfg, aDescription);
 203   aFOperation->getDescription()->setDescription(QString::fromStdString(aDescription));
 204   aFOperation->getDescription()->setXmlRepresentation(QString::fromStdString(aXmlCfg));
 205
 206   return aFOperation;
 207 }
 208
 209 void ModuleBase_IModule::createFeatures()
 210 {
 211   registerValidators();
 212   registerProperties();
 213
 214   Config_ModuleReader aXMLReader = Config_ModuleReader();
 215   aXMLReader.readAll();
 216   myFeaturesInFiles = aXMLReader.featuresInFiles();
 217 }
 218
 219
 220 void ModuleBase_IModule::actionCreated(QAction* theFeature)
 221 {
 222   connect(theFeature, SIGNAL(triggered(bool)), this, SLOT(onFeatureTriggered()));
 223 }
 224
 225 bool ModuleBase_IModule::canEraseObject(const ObjectPtr& theObject) const
 226 {
 227   return true;
 228 }
 229
 230 bool ModuleBase_IModule::canDisplayObject(const ObjectPtr& theObject) const
 231 {
 232   return true;
 233 }
 234
 235 bool ModuleBase_IModule::canUsePreselection(const QString& thePreviousOperationKind,
 236                                             const QString& theStartedOperationKind)
 237 {
 238   // no previous operation
 239   if (thePreviousOperationKind.isEmpty())
 240     return true;
 241   // edit operation
 242   if (thePreviousOperationKind.endsWith(ModuleBase_OperationFeature::EditSuffix()))
 243     return true;
 244
 245   // reentrant operation
 246   if (thePreviousOperationKind == theStartedOperationKind)
 247     return true;
 248
 249   return false;
 250 }
 251
 252 bool ModuleBase_IModule::canUndo() const
 253 {
 254   SessionPtr aMgr = ModelAPI_Session::get();
 255   return aMgr->hasModuleDocument() && aMgr->canUndo() && !aMgr->isOperation();
 256 }
 257
 258 bool ModuleBase_IModule::canRedo() const
 259 {
 260   SessionPtr aMgr = ModelAPI_Session::get();
 261   return aMgr->hasModuleDocument() && aMgr->canRedo() && !aMgr->isOperation();
 262 }
 263
 264 void ModuleBase_IModule::onFeatureTriggered()
 265 {
 266   QAction* aCmd = dynamic_cast<QAction*>(sender());
 267   //Do nothing on uncheck
 268   if (aCmd->isCheckable() && !aCmd->isChecked()) {
 269     ModuleBase_Operation* anOperation = myWorkshop->findStartedOperation(aCmd->data().toString());
 270     if (myWorkshop->canStopOperation(anOperation)) {
 271       bool isCommitted;
 272       myWorkshop->stopOperation(anOperation, isCommitted);
 273     }
 274     else {
 275       aCmd->setChecked(true);
 276     }
 277   }
 278   else {
 279     QString aCmdId = aCmd->data().toString();
 280     std::shared_ptr<Config_FeatureMessage> aInfo = myWorkshop->featureInfo(aCmdId);
 281     if (aInfo.get() && aInfo->isModal()) {
 282       launchModal(aCmdId);
 283     } else {
 284       launchOperation(aCmdId, false);
 285     }
 286   }
 287 }
 288
 289 void ModuleBase_IModule::editFeature(FeaturePtr theFeature)
 290 {
 291   std::string aFeatureId = theFeature->getKind();
 292   bool isCommitted;
 293   if (!myWorkshop->canStartOperation(aFeatureId.c_str(), isCommitted))
 294     return;
 295
 296   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 297                                                          (createOperation(aFeatureId));
 298   if (aFOperation) {
 299     aFOperation->setFeature(theFeature);
 300     workshop()->processLaunchOperation(aFOperation);
 301   }
 302 }
 303
 304 bool ModuleBase_IModule::canActivateSelection(const ObjectPtr& theObject) const
 305 {
 306   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 307                                                      (myWorkshop->currentOperation());
 308   return !aFOperation || !aFOperation->hasObject(theObject);
 309 }
 310
 311 void ModuleBase_IModule::operationResumed(ModuleBase_Operation* theOperation)
 312 {
 313   emit resumed(theOperation);
 314 }
 315
 316 void ModuleBase_IModule::getXMLRepresentation(const std::string& theFeatureId,
 317                                               std::string& theXmlCfg, std::string& theDescription)
 318 {
 319   std::string aPluginFileName = myFeaturesInFiles[theFeatureId];
 320   Config_WidgetReader aWdgReader = Config_WidgetReader(aPluginFileName);
 321   aWdgReader.readAll();
 322
 323   theXmlCfg = aWdgReader.featureWidgetCfg(theFeatureId);
 324   theDescription = aWdgReader.featureDescription(theFeatureId);
 325 }