src/XGUI/XGUI_Workshop.cpp

   1 #include "XGUI_Module.h"
   2 #include "XGUI_Constants.h"
   3 #include "XGUI_Command.h"
   4 #include "XGUI_MainMenu.h"
   5 #include "XGUI_MainWindow.h"
   6 #include "XGUI_MenuGroupPanel.h"
   7 #include "XGUI_Tools.h"
   8 #include "XGUI_Workbench.h"
   9 #include "XGUI_Workshop.h"
  10 #include "XGUI_Viewer.h"
  11 #include "XGUI_WidgetFactory.h"
  12
  13 #include <Event_Loop.h>
  14 #include <ModuleBase_Operation.h>
  15 #include <Config_FeatureMessage.h>
  16 #include <Config_PointerMessage.h>
  17
  18 #include <QApplication>
  19 #include <QFileDialog>
  20 #include <QMessageBox>
  21 #include <QMdiSubWindow>
  22 #include <QPushButton>
  23 #include <QDockWidget>
  24
  25 #ifdef _DEBUG
  26 #include <QDebug>
  27 #endif
  28
  29 #ifdef WIN32
  30 #include <windows.h>
  31 #else
  32 #include <dlfcn.h>
  33 #endif
  34
  35 XGUI_Workshop::XGUI_Workshop()
  36   : QObject(),
  37   myCurrentOperation(NULL),
  38   myPartSetModule(NULL)
  39 {
  40   myMainWindow = new XGUI_MainWindow();
  41 }
  42
  43 //******************************************************
  44 XGUI_Workshop::~XGUI_Workshop(void)
  45 {
  46 }
  47
  48 //******************************************************
  49 void XGUI_Workshop::startApplication()
  50 {
  51   initMenu();
  52   //Initialize event listening
  53   Event_Loop* aLoop = Event_Loop::loop();
  54   //TODO(sbh): Implement static method to extract event id [SEID]
  55   Event_ID aFeatureId = aLoop->eventByName("FeatureEvent");
  56   aLoop->registerListener(this, aFeatureId);
  57   Event_ID aPartSetId = aLoop->eventByName("PartSetModuleEvent");
  58   aLoop->registerListener(this, aPartSetId);
  59   activateModule();
  60   myMainWindow->show();
  61   QMdiSubWindow* aWnd = myMainWindow->viewer()->createView();
  62   aWnd->showMaximized();
  63   myMainWindow->showPythonConsole();
  64 }
  65
  66 //******************************************************
  67 void XGUI_Workshop::initMenu()
  68 {
  69   XGUI_Workbench* aPage = myMainWindow->menuObject()->generalPage();
  70
  71   // File commands group
  72   XGUI_MenuGroupPanel* aGroup = aPage->addGroup("Default");
  73
  74   XGUI_Command* aCommand;
  75
  76   aCommand = aGroup->addFeature("SAVE_CMD", tr("Save..."), tr("Save the document"),
  77                                 QIcon(":pictures/save.png"), QKeySequence::Save);
  78   aCommand->connectTo(this, SLOT(onSave()));
  79   //aCommand->disable();
  80
  81   aCommand = aGroup->addFeature("UNDO_CMD", tr("Undo"), tr("Undo last command"),
  82                                 QIcon(":pictures/undo.png"), QKeySequence::Undo);
  83
  84   aCommand = aGroup->addFeature("REDO_CMD", tr("Redo"), tr("Redo last command"),
  85                                 QIcon(":pictures/redo.png"), QKeySequence::Redo);
  86
  87   aCommand = aGroup->addFeature("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
  88                                 QIcon(":pictures/rebuild.png"));
  89
  90   aCommand = aGroup->addFeature("SAVEAS_CMD", tr("Save as..."), tr("Save the document into a file"),
  91                                 QIcon(":pictures/save.png"));
  92   aCommand->connectTo(this, SLOT(onSaveAs()));
  93   //aCommand->disable();
  94
  95   aCommand = aGroup->addFeature("OPEN_CMD", tr("Open..."), tr("Open a new document"),
  96                                 QIcon(":pictures/open.png"), QKeySequence::Open);
  97   aCommand->connectTo(this, SLOT(onOpen()));
  98
  99   aCommand = aGroup->addFeature("NEW_CMD", tr("New"), tr("Create a new document"),
 100                                 QIcon(":pictures/new.png"), QKeySequence::New);
 101   aCommand->connectTo(this, SLOT(onNew()));
 102
 103   aCommand = aGroup->addFeature("EXIT_CMD", tr("Exit"), tr("Exit application"),
 104                                 QIcon(":pictures/close.png"), QKeySequence::Close);
 105   aCommand->connectTo(this, SLOT(onExit()));
 106
 107 }
 108
 109 //******************************************************
 110 XGUI_Workbench* XGUI_Workshop::addWorkbench(const QString& theName)
 111 {
 112   XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 113   return aMenuBar->addWorkbench(theName);
 114 }
 115
 116 //******************************************************
 117 void XGUI_Workshop::processEvent(const Event_Message* theMessage)
 118 {
 119   const Config_FeatureMessage* aFeatureMsg =
 120       dynamic_cast<const Config_FeatureMessage*>(theMessage);
 121   if (aFeatureMsg) {
 122     addFeature(aFeatureMsg);
 123     return;
 124   }
 125   const Config_PointerMessage* aPartSetMsg =
 126       dynamic_cast<const Config_PointerMessage*>(theMessage);
 127   if (aPartSetMsg) {
 128     ModuleBase_Operation* aOperation = (ModuleBase_Operation*)(aPartSetMsg->pointer());
 129     setCurrentOperation(aOperation);
 130     if(aOperation->xmlRepresentation().isEmpty()) { //!< No need for property panel
 131       myCurrentOperation->start();
 132       myCurrentOperation->commit();
 133     } else {
 134       fillPropertyPanel(aOperation);
 135     }
 136     return;
 137   }
 138
 139 #ifdef _DEBUG
 140   qDebug() << "XGUI_Workshop::ProcessEvent: "
 141   << "Catch message, but it can not be processed.";
 142 #endif
 143
 144 }
 145
 146 /*
 147  *
 148  */
 149 void XGUI_Workshop::addFeature(const Config_FeatureMessage* theMessage)
 150 {
 151   if (!theMessage) {
 152 #ifdef _DEBUG
 153     qDebug() << "XGUI_Workshop::addFeature: NULL message.";
 154 #endif
 155     return;
 156   }
 157   //Find or create Workbench
 158   XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 159   QString aWchName = QString::fromStdString(theMessage->workbenchId());
 160   XGUI_Workbench* aPage = aMenuBar->findWorkbench(aWchName);
 161   if (!aPage) {
 162     aPage = addWorkbench(aWchName);
 163   }
 164   //Find or create Group
 165   QString aGroupName = QString::fromStdString(theMessage->groupId());
 166   XGUI_MenuGroupPanel* aGroup = aPage->findGroup(aGroupName);
 167   if (!aGroup) {
 168     aGroup = aPage->addGroup(aGroupName);
 169   }
 170   //Create feature...
 171   QString aFeatureId = QString::fromStdString(theMessage->id());
 172   XGUI_Command* aCommand = aGroup->addFeature(QString::fromStdString(theMessage->id()),
 173                                               QString::fromStdString(theMessage->text()),
 174                                               QString::fromStdString(theMessage->tooltip()),
 175                                               QIcon(theMessage->icon().c_str())
 176                                               //TODO(sbh): QKeySequence
 177                                                   );
 178   myPartSetModule->featureCreated(aCommand);
 179 }
 180
 181 /*
 182  *
 183  */
 184 void XGUI_Workshop::fillPropertyPanel(ModuleBase_Operation* theOperation)
 185 {
 186   connectToPropertyPanel(theOperation);
 187   QWidget* aPropWidget = myMainWindow->findChild<QWidget*>(XGUI::PROP_PANEL_WDG);
 188   qDeleteAll(aPropWidget->children());
 189   theOperation->start();
 190   XGUI_WidgetFactory aFactory = XGUI_WidgetFactory(theOperation);
 191   aFactory.fillWidget(aPropWidget);
 192 }
 193
 194 void XGUI_Workshop::setCurrentOperation(ModuleBase_Operation* theOperation)
 195 {
 196   //FIXME: Ask user about aborting of current operation?
 197   if (myCurrentOperation) {
 198     //TODO get isOperation from document
 199     if (myCurrentOperation->isRunning())
 200       myCurrentOperation->abort();
 201
 202     myCurrentOperation->deleteLater();
 203   }
 204   myCurrentOperation = theOperation;
 205 }
 206
 207 /*
 208  * Makes a signal/slot connections between Property Panel
 209  * and given operation. The given operation becomes a
 210  * current operation and previous operation if exists
 211  */
 212 void XGUI_Workshop::connectToPropertyPanel(ModuleBase_Operation* theOperation)
 213 {
 214   QDockWidget* aPanel = myMainWindow->findChild<QDockWidget*>(XGUI::PROP_PANEL);
 215   QPushButton* aOkBtn = aPanel->findChild<QPushButton*>(XGUI::PROP_PANEL_OK);
 216   connect(aOkBtn, SIGNAL(clicked()), theOperation, SLOT(commit()));
 217   QPushButton* aCancelBtn = aPanel->findChild<QPushButton*>(XGUI::PROP_PANEL_CANCEL);
 218   connect(aCancelBtn, SIGNAL(clicked()), theOperation, SLOT(abort()));
 219
 220   connect(theOperation, SIGNAL(started()), myMainWindow, SLOT(showPropertyPanel()));
 221   connect(theOperation, SIGNAL(stopped()), myMainWindow, SLOT(hidePropertyPanel()));
 222 }
 223
 224 //******************************************************
 225 void XGUI_Workshop::onExit()
 226 {
 227   qApp->exit();
 228 }
 229
 230 //******************************************************
 231 void XGUI_Workshop::onNew()
 232 {
 233   myMainWindow->showObjectBrowser();
 234 }
 235
 236 //******************************************************
 237 void XGUI_Workshop::onOpen()
 238 {
 239   QString aFileName = QFileDialog::getOpenFileName(mainWindow());
 240 }
 241
 242 //******************************************************
 243 void XGUI_Workshop::onSave()
 244 {
 245 }
 246
 247 //******************************************************
 248 void XGUI_Workshop::onSaveAs()
 249 {
 250   QString aFileName = QFileDialog::getSaveFileName(mainWindow());
 251 }
 252
 253 //******************************************************
 254 XGUI_Module* XGUI_Workshop::loadModule(const QString& theModule)
 255 {
 256   QString libName = library(theModule);
 257   if (libName.isEmpty()) {
 258     qWarning(
 259     qPrintable( tr( "Information about module \"%1\" doesn't exist." ).arg( theModule ) ));
 260     return 0;
 261   }
 262
 263   QString err;
 264   CREATE_FUNC crtInst = 0;
 265
 266 #ifdef WIN32
 267
 268   HINSTANCE modLib = ::LoadLibrary((LPTSTR) qPrintable(libName));
 269   if (!modLib) {
 270     LPVOID lpMsgBuf;
 271     ::FormatMessage(
 272         FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
 273         0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
 274     QString aMsg((char*) &lpMsgBuf);
 275     err = QString("Failed to load  %1. %2").arg(libName).arg(aMsg);
 276     ::LocalFree(lpMsgBuf);
 277   } else {
 278     crtInst = (CREATE_FUNC) ::GetProcAddress(modLib, CREATE_MODULE);
 279     if (!crtInst) {
 280       LPVOID lpMsgBuf;
 281       ::FormatMessage(
 282           FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM
 283               | FORMAT_MESSAGE_IGNORE_INSERTS,
 284           0, ::GetLastError(), 0, (LPTSTR) & lpMsgBuf, 0, 0);
 285       QString aMsg((char*) &lpMsgBuf);
 286       err = QString("Failed to find  %1 function. %2").arg( CREATE_MODULE).arg(aMsg);
 287       ::LocalFree(lpMsgBuf);
 288     }
 289   }
 290 #else
 291   void* modLib = dlopen( libName.toLatin1(), RTLD_LAZY );
 292   if ( !modLib )
 293   err = QString( "Can not load library %1. %2" ).arg( libName ).arg( dlerror() );
 294   else
 295   {
 296     crtInst = (CREATE_FUNC)dlsym( modLib, GET_MODULE_NAME );
 297     if ( !crtInst )
 298     err = QString( "Failed to find function %1. %2" ).arg( CREATE_MODULE ).arg( dlerror() );
 299   }
 300 #endif
 301
 302   XGUI_Module* aModule = crtInst ? crtInst(this) : 0;
 303
 304   if (!err.isEmpty()) {
 305     if (mainWindow() && mainWindow()->isVisible())
 306       QMessageBox::warning(mainWindow(), tr("Error"), err);
 307     else
 308       qWarning( qPrintable( err ));
 309   }
 310   return aModule;
 311 }
 312
 313 //******************************************************
 314 bool XGUI_Workshop::activateModule()
 315 {
 316   myPartSetModule = loadModule("PartSet");
 317   if (!myPartSetModule)
 318     return false;
 319   myPartSetModule->createFeatures();
 320   return true;
 321 }