src/XGUI/XGUI_ActiveControlMgr.cpp

   1 // Copyright (C) 2014-2017  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
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "XGUI_ActiveControlMgr.h"
  22 #include "XGUI_ActiveControlSelector.h"
  23 #include "XGUI_SelectionActivate.h"
  24 #include "XGUI_Tools.h"
  25 #include "XGUI_Workshop.h"
  26
  27 #include <ModuleBase_IModule.h>
  28 #include <ModuleBase_IWorkshop.h>
  29
  30 //#define DEBUG_ACTIVE_SELECTOR
  31
  32 #ifdef DEBUG_ACTIVE_SELECTOR
  33 void debugInfo(const QString& theMessage, XGUI_ActiveControlSelector* theSelector)
  34 {
  35   std::cout << theMessage.toStdString().c_str() << ", active: "
  36     << theSelector ? theSelector->getType().toStdString().c_str() : "NULL" << std::endl;
  37 }
  38 #endif
  39
  40 //********************************************************************
  41 XGUI_ActiveControlMgr::XGUI_ActiveControlMgr(ModuleBase_IWorkshop* theWorkshop)
  42 : myWorkshop(theWorkshop), myActiveSelector(0)
  43 {
  44   connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
  45 }
  46
  47 //********************************************************************
  48 void XGUI_ActiveControlMgr::addSelector(XGUI_ActiveControlSelector* theSelector)
  49 {
  50   mySelectors.append(theSelector);
  51   connect(theSelector, SIGNAL(activated()), this, SLOT(onSelectorActivated()));
  52   connect(theSelector, SIGNAL(deactivated()), this, SLOT(onSelectorDeactivated()));
  53 }
  54
  55 //********************************************************************
  56 XGUI_ActiveControlSelector* XGUI_ActiveControlMgr::getSelector(const QString& theType)
  57 {
  58   XGUI_ActiveControlSelector* aSelector;
  59   for (int i = 0, aCount = mySelectors.count(); i < aCount; i++)
  60   {
  61     if (mySelectors[i]->getType() != theType)
  62       continue;
  63     aSelector = mySelectors[i];
  64     break;
  65   }
  66   return aSelector;
  67 }
  68
  69 //********************************************************************
  70 void XGUI_ActiveControlMgr::onSelectorActivated()
  71 {
  72   XGUI_ActiveControlSelector* aSelector = qobject_cast<XGUI_ActiveControlSelector*>(sender());
  73   if (!aSelector || aSelector == myActiveSelector)
  74     return;
  75
  76   if (myActiveSelector)
  77     myActiveSelector->setActive(false);
  78
  79   activateSelector(aSelector);
  80   XGUI_Tools::workshop(myWorkshop)->selectionActivate()->updateSelectionModes();
  81   XGUI_Tools::workshop(myWorkshop)->selectionActivate()->updateSelectionFilters();
  82
  83 #ifdef DEBUG_ACTIVE_SELECTOR
  84   debugInfo("onSelectorActivated", myActiveSelector);
  85 #endif
  86 }
  87
  88 //********************************************************************
  89 void XGUI_ActiveControlMgr::onSelectorDeactivated()
  90 {
  91   XGUI_ActiveControlSelector* aSelector = qobject_cast<XGUI_ActiveControlSelector*>(sender());
  92   if (!aSelector || aSelector != myActiveSelector || !myActiveSelector)
  93     return;
  94
  95   myActiveSelector->setActive(false);
  96   activateSelector(NULL);
  97
  98   XGUI_ActiveControlSelector* aSelectorToBeActivated = 0;
  99   for (int i = 0, aCount = mySelectors.count(); i < aCount; i++)
 100   {
 101     if (!mySelectors[i]->needToBeActiated())
 102       continue;
 103     aSelectorToBeActivated = mySelectors[i];
 104     break;
 105   }
 106   if (aSelectorToBeActivated)
 107     activateSelector(aSelectorToBeActivated);
 108
 109   XGUI_Tools::workshop(myWorkshop)->selectionActivate()->updateSelectionModes();
 110   XGUI_Tools::workshop(myWorkshop)->selectionActivate()->updateSelectionFilters();
 111 #ifdef DEBUG_ACTIVE_SELECTOR
 112   debugInfo("onSelectorDeactivated", myActiveSelector);
 113 #endif
 114 }
 115
 116 //********************************************************************
 117 void XGUI_ActiveControlMgr::onSelectionChanged()
 118 {
 119   if (!myActiveSelector)
 120     return;
 121
 122   myActiveSelector->processSelection();
 123 #ifdef DEBUG_ACTIVE_SELECTOR
 124   debugInfo("onSelectionChanged", myActiveSelector);
 125 #endif
 126 }
 127
 128 //********************************************************************
 129 void XGUI_ActiveControlMgr::activateSelector(XGUI_ActiveControlSelector* theSelector)
 130 {
 131   myActiveSelector = theSelector;
 132   if (myActiveSelector)
 133     myActiveSelector->setActive(true);
 134 }