Salome HOME
Fix for exception on deletion of a Part from PartSet when it is active
[modules/shaper.git] / src / XGUI / XGUI_PropertyPanel.cpp
index e2ffb4d1d7cbb7dff85d7580d332236984608803..e37d69f9132f077dba252ba81d4d94f5ecd2c3f4 100755 (executable)
 #include <ModuleBase_Tools.h>
 #include <ModuleBase_PageBase.h>
 #include <ModuleBase_PageWidget.h>
+#include <ModuleBase_WidgetFactory.h>
+#include <ModuleBase_OperationDescription.h>
+#include <ModuleBase_Events.h>
+
+#include <Events_Loop.h>
 
 #include <ModelAPI_Session.h>
 #include <ModelAPI_Validator.h>
@@ -35,6 +40,8 @@
 #include <iostream>
 #endif
 
+//#define DEBUG_TAB_WIDGETS
+
 XGUI_PropertyPanel::XGUI_PropertyPanel(QWidget* theParent, XGUI_OperationMgr* theMgr)
     : ModuleBase_IPropertyPanel(theParent), 
     myActiveWidget(NULL),
@@ -42,9 +49,9 @@ XGUI_PropertyPanel::XGUI_PropertyPanel(QWidget* theParent, XGUI_OperationMgr* th
     myPanelPage(NULL),
     myOperationMgr(theMgr)
 {
-  this->setWindowTitle(tr("Property Panel"));
-  QAction* aViewAct = this->toggleViewAction();
-  this->setObjectName(PROP_PANEL);
+  setWindowTitle(tr("Property Panel"));
+  QAction* aViewAct = toggleViewAction();
+  setObjectName(PROP_PANEL);
   setStyleSheet("::title { position: relative; padding-left: 5px; text-align: left center }");
 
   QWidget* aContent = new QWidget(this);
@@ -52,7 +59,7 @@ XGUI_PropertyPanel::XGUI_PropertyPanel(QWidget* theParent, XGUI_OperationMgr* th
   const int kPanelColumn = 0;
   int aPanelRow = 0;
   aMainLayout->setContentsMargins(3, 3, 3, 3);
-  this->setWidget(aContent);
+  setWidget(aContent);
 
   QFrame* aFrm = new QFrame(aContent);
   aFrm->setFrameStyle(QFrame::Raised);
@@ -78,6 +85,20 @@ XGUI_PropertyPanel::XGUI_PropertyPanel(QWidget* theParent, XGUI_OperationMgr* th
   myPanelPage = new ModuleBase_PageWidget(aContent);
   myPanelPage->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding);
   aMainLayout->addWidget(myPanelPage, aPanelRow, kPanelColumn);
+
+  // spit to make the preview button on the bottom of the panel
+  aMainLayout->setRowStretch(aPanelRow++, 1);
+
+  // preview button on the bottom of panel
+  aFrm = new QFrame(aContent);
+  aBtnLay = new QHBoxLayout(aFrm);
+  aBtnLay->addStretch(1);
+  ModuleBase_Tools::zeroMargins(aBtnLay);
+  aMainLayout->addWidget(aFrm, aPanelRow++, kPanelColumn);
+
+  QToolButton* aBtn = new QToolButton(aFrm);
+  aBtn->setObjectName(PROP_PANEL_PREVIEW);
+  aBtnLay->addWidget(aBtn);
 }
 
 XGUI_PropertyPanel::~XGUI_PropertyPanel()
@@ -107,6 +128,8 @@ void XGUI_PropertyPanel::cleanContent()
   myWidgets.clear();
   myPanelPage->clearPage();
   myActiveWidget = NULL;
+
+  findButton(PROP_PANEL_PREVIEW)->setVisible(false); /// by default it is hidden
   setWindowTitle(tr("Property Panel"));
 }
 
@@ -116,13 +139,13 @@ void XGUI_PropertyPanel::setModelWidgets(const QList<ModuleBase_ModelWidget*>& t
   if (theWidgets.empty()) return;
   foreach (ModuleBase_ModelWidget* aWidget, theWidgets) {
     connect(aWidget, SIGNAL(focusInWidget(ModuleBase_ModelWidget*)),
-            this,    SLOT(activateWidget(ModuleBase_ModelWidget*)));
+            this,    SLOT(onFocusInWidget(ModuleBase_ModelWidget*)));
     connect(aWidget, SIGNAL(focusOutWidget(ModuleBase_ModelWidget*)),
             this,    SLOT(onActivateNextWidget(ModuleBase_ModelWidget*)));
-    connect(aWidget, SIGNAL(keyReleased(QKeyEvent*)),
-            this,    SIGNAL(keyReleased(QKeyEvent*)));
-    connect(aWidget, SIGNAL(enterClicked()),
-            this,    SIGNAL(enterClicked()));
+    connect(aWidget, SIGNAL(keyReleased(QObject*, QKeyEvent*)),
+            this,    SIGNAL(keyReleased(QObject*, QKeyEvent*)));
+    connect(aWidget, SIGNAL(enterClicked(QObject*)),
+            this,    SIGNAL(enterClicked(QObject*)));
 
   }
 }
@@ -153,6 +176,25 @@ void XGUI_PropertyPanel::updateContentWidget(FeaturePtr theFeature)
   repaint();
 }
 
+void XGUI_PropertyPanel::createContentPanel(FeaturePtr theFeature)
+{
+  // Invalid feature case on abort of the operation
+  if (theFeature.get() == NULL)
+    return;
+  if (theFeature->isAction() || !theFeature->data())
+    return;
+
+  if (myWidgets.empty()) {
+    ModuleBase_Operation* anOperation = myOperationMgr->currentOperation();
+    QString aXmlRepr = anOperation->getDescription()->xmlRepresentation();
+
+    ModuleBase_WidgetFactory aFactory(aXmlRepr.toStdString(), myOperationMgr->workshop());
+    aFactory.createPanel(contentWidget(), theFeature);
+    /// Apply button should be update if the feature was modified by the panel
+    myOperationMgr->onValidateOperation();
+  }
+}
+
 void XGUI_PropertyPanel::activateNextWidget(ModuleBase_ModelWidget* theWidget)
 {
   // it is possible that the property panel widgets have not been visualized
@@ -160,6 +202,12 @@ void XGUI_PropertyPanel::activateNextWidget(ModuleBase_ModelWidget* theWidget)
   activateNextWidget(theWidget, false);
 }
 
+void XGUI_PropertyPanel::onFocusInWidget(ModuleBase_ModelWidget* theWidget)
+{
+  if (theWidget->canAcceptFocus())
+    activateWidget(theWidget);
+}
+
 void XGUI_PropertyPanel::onActivateNextWidget(ModuleBase_ModelWidget* theWidget)
 {
   // this slot happens when some widget lost focus, the next widget which accepts the focus
@@ -167,7 +215,11 @@ void XGUI_PropertyPanel::onActivateNextWidget(ModuleBase_ModelWidget* theWidget)
   // it is important for features where in cases the same attributes are used, isCase for this
   // attribute returns true, however it can be placed in hidden stack widget(extrusion: elements,
   // sketch multi rotation -> single/full point)
-  activateNextWidget(theWidget, true);
+  // it is important to check the widget visibility to do not check of the next widget visible
+  // state if the current is not shown. (example: sketch circle re-entrant operation after mouse
+  // release in the viewer, next, radius, widget should be activated but the first is not visualized)
+  bool isVisible = theWidget->isVisible();
+  activateNextWidget(theWidget, isVisible);
 }
 
 
@@ -190,7 +242,7 @@ void XGUI_PropertyPanel::activateNextWidget(ModuleBase_ModelWidget* theWidget,
 
       if (!aValidators->isCase(aCurrentWidget->feature(), aCurrentWidget->attributeID()))
         continue; // this attribute is not participated in the current case
-      if (isCheckVisibility) {
+      if (isCheckVisibility && !aCurrentWidget->isInternal()) {
         if (!aCurrentWidget->isVisible())
           continue;
       }
@@ -203,14 +255,24 @@ void XGUI_PropertyPanel::activateNextWidget(ModuleBase_ModelWidget* theWidget,
     }
     isFoundWidget = isFoundWidget || (*anIt) == theWidget;
   }
+  // set focus to Ok/Cancel button in Property panel if there are no more active widgets
+  // it should be performed before activateWidget(NULL) because it emits some signals which
+  // can be processed by moudule for example as to activate another widget with setting focus
+  QWidget* aNewFocusWidget = 0;
+  QToolButton* anOkBtn = findButton(PROP_PANEL_OK);
+  if (anOkBtn->isEnabled())
+    aNewFocusWidget = anOkBtn;
+  else {
+    QToolButton* aCancelBtn = findButton(PROP_PANEL_CANCEL);
+    if (aCancelBtn->isEnabled())
+      aNewFocusWidget = aCancelBtn;
+  }
+  if (aNewFocusWidget)
+    aNewFocusWidget->setFocus(Qt::TabFocusReason);
+
   activateWidget(NULL);
-  //focusNextPrevChild(true);
 }
 
-//#define DEBUG_TAB_WIDGETS
-
-#define DEBUG_TAB
-#ifdef DEBUG_TAB
 void findDirectChildren(QWidget* theParent, QList<QWidget*>& theWidgets, const bool theDebug)
 {
   QList<QWidget*> aWidgets;
@@ -221,10 +283,32 @@ void findDirectChildren(QWidget* theParent, QList<QWidget*>& theWidgets, const b
       for (int i = 0, aCount = aLayout->count(); i < aCount; i++) {
         QLayoutItem* anItem = aLayout->itemAt(i);
         QWidget* aWidget = anItem ? anItem->widget() : 0;
-        if (aWidget && aWidget->isVisible()) {
-          if (aWidget->focusPolicy() != Qt::NoFocus)
-            theWidgets.append(aWidget);
-          findDirectChildren(aWidget, theWidgets, false);
+        if (aWidget) {
+          if (aWidget->isVisible()) {
+            if (aWidget->focusPolicy() != Qt::NoFocus)
+              theWidgets.append(aWidget);
+            findDirectChildren(aWidget, theWidgets, false);
+          }
+        }
+        else if (anItem->layout()) {
+          QLayout* aLayout = anItem->layout();
+          for (int i = 0, aCount = aLayout->count(); i < aCount; i++) {
+            QLayoutItem* anItem = aLayout->itemAt(i);
+            QWidget* aWidget = anItem ? anItem->widget() : 0;
+            if (aWidget) {
+              if (aWidget->isVisible()) {
+                if (aWidget->focusPolicy() != Qt::NoFocus)
+                  theWidgets.append(aWidget);
+                findDirectChildren(aWidget, theWidgets, false);
+              }
+            }
+            else {
+              // TODO: improve recursive search for the case when here QLayout is used
+              // currently, the switch widget uses only 1 level of qlayout in qlayout using for
+              // example for construction plane feature. If there are more levels,
+              // it should be implemented here
+            }
+          }
         }
       }
     }
@@ -246,9 +330,6 @@ void findDirectChildren(QWidget* theParent, QList<QWidget*>& theWidgets, const b
 
 bool XGUI_PropertyPanel::focusNextPrevChild(bool theIsNext)
 {
-  //bool isChangedFocus = ModuleBase_IPropertyPanel::focusNextPrevChild(theIsNext);
-  //return true;//isChangedFocus;
-
   // it wraps the Tabs clicking to follow in the chain:
   // controls, last control, Apply, Cancel, first control, controls
   bool isChangedFocus = false;
@@ -271,8 +352,14 @@ bool XGUI_PropertyPanel::focusNextPrevChild(bool theIsNext)
       if (theIsNext) {
         if (aFocusWidgetIndex == aChildrenCount-1) {
           // after the last widget focus should be set to "Apply"
-          QToolButton* anOkBtn = findChild<QToolButton*>(PROP_PANEL_OK);
-          aNewFocusWidget = anOkBtn;
+          QToolButton* anOkBtn = findButton(PROP_PANEL_OK);
+          if (anOkBtn->isEnabled())
+            aNewFocusWidget = anOkBtn;
+          else {
+            QToolButton* aCancelBtn = findButton(PROP_PANEL_CANCEL);
+            if (aCancelBtn->isEnabled())
+              aNewFocusWidget = aCancelBtn;
+          }
         }
         else {
           aNewFocusWidget = aChildren[aFocusWidgetIndex+1];
@@ -285,7 +372,7 @@ bool XGUI_PropertyPanel::focusNextPrevChild(bool theIsNext)
         }
         else {
           // before the "Apply" button, the last should accept focus for consistency with "Next"
-          QToolButton* anOkBtn = findChild<QToolButton*>(PROP_PANEL_OK);
+          QToolButton* anOkBtn = findButton(PROP_PANEL_OK);
           if (aFocusWidget == anOkBtn) {
             aNewFocusWidget = aChildren[aChildrenCount - 1];
           }
@@ -312,78 +399,20 @@ bool XGUI_PropertyPanel::focusNextPrevChild(bool theIsNext)
   }
   return isChangedFocus;
 }
-#else
-bool XGUI_PropertyPanel::focusNextPrevChild(bool theIsNext)
-{
-  // it wraps the Tabs clicking to follow in the chain:
-  // controls, last control, Apply, Cancel, first control, controls
-  bool isChangedFocus = false;
-
-  if (theIsNext) { // forward by Tab
-    QToolButton* aCancelBtn = findChild<QToolButton*>(PROP_PANEL_CANCEL);
-    if (aCancelBtn->hasFocus()) {
-      // after cancel, the first control should be focused
-      QWidget* aFirstControl = 0;
-      for (int i = 0, aSize = myWidgets.size(); i < aSize && !aFirstControl; i++)
-        aFirstControl = myWidgets[i]->getControlAcceptingFocus(true);
-      if (aFirstControl)
-        ModuleBase_Tools::setFocus(aFirstControl, "XGUI_PropertyPanel::focusNextPrevChild()");
-        isChangedFocus = true;
-    }
-    else {
-      // after the last control, the Apply button should be focused
-      QWidget* aLastControl = 0;
-      for (int i = myWidgets.size()-1; i >= 0 && !aLastControl; i--)
-        aLastControl = myWidgets[i]->getControlAcceptingFocus(false);
-      if (aLastControl && aLastControl->hasFocus()) {
-        setFocusOnOkButton();
-        isChangedFocus = true;
-      }
-    }
-  }
-  else { // backward by SHIFT + Tab
-    QToolButton* anOkBtn = findChild<QToolButton*>(PROP_PANEL_OK);
-    if (anOkBtn->hasFocus()) {
-      // after Apply, the last control should be focused
-      QWidget* aLastControl = 0;
-      for (int i = myWidgets.size()-1; i >= 0 && !aLastControl; i--)
-        aLastControl = myWidgets[i]->getControlAcceptingFocus(false);
-      if (aLastControl)
-        ModuleBase_Tools::setFocus(aLastControl, "XGUI_PropertyPanel::focusNextPrevChild()");
-        isChangedFocus = true;
-    }
-    else {
-      // after the first control, the Cancel button should be focused
-      QWidget* aFirstControl = 0;
-      for (int i = 0, aSize = myWidgets.size(); i < aSize && !aFirstControl; i++)
-        aFirstControl = myWidgets[i]->getControlAcceptingFocus(true);
-      if (aFirstControl && aFirstControl->hasFocus()) {
-        QToolButton* aCancelBtn = findChild<QToolButton*>(PROP_PANEL_CANCEL);
-        ModuleBase_Tools::setFocus(aCancelBtn, "XGUI_PropertyPanel::focusNextPrevChild()");
-        isChangedFocus = true;
-      }
-    }
-  }
-
-  if (!isChangedFocus)
-    isChangedFocus = ModuleBase_IPropertyPanel::focusNextPrevChild(theIsNext);
-  return isChangedFocus;
-}
 
-#endif
 void XGUI_PropertyPanel::activateNextWidget()
 {
   activateNextWidget(myActiveWidget);
 }
 
-void XGUI_PropertyPanel::activateWidget(ModuleBase_ModelWidget* theWidget)
+void XGUI_PropertyPanel::activateWidget(ModuleBase_ModelWidget* theWidget, const bool theEmitSignal)
 {
   std::string aPreviosAttributeID;
   if(myActiveWidget)
     aPreviosAttributeID = myActiveWidget->attributeID();
 
   // Avoid activation of already actve widget. It could happen on focusIn event many times
-  if (setActiveWidget(theWidget)) {
+  if (setActiveWidget(theWidget) && theEmitSignal) {
     emit widgetActivated(myActiveWidget);
     if (!myActiveWidget && !isEditingMode()) {
       emit noMoreWidgets(aPreviosAttributeID);
@@ -400,6 +429,7 @@ bool XGUI_PropertyPanel::setActiveWidget(ModuleBase_ModelWidget* theWidget)
   std::string aPreviosAttributeID;
   if(myActiveWidget) {
     aPreviosAttributeID = myActiveWidget->attributeID();
+    myActiveWidget->processValueState();
     myActiveWidget->deactivate();
     myActiveWidget->setHighlighted(false);
   }
@@ -409,24 +439,27 @@ bool XGUI_PropertyPanel::setActiveWidget(ModuleBase_ModelWidget* theWidget)
     theWidget->activate();
   }
   myActiveWidget = theWidget;
+  static Events_ID anEvent = Events_Loop::eventByName(EVENT_UPDATE_BY_WIDGET_SELECTION);
+  Events_Loop::loop()->flush(anEvent);
+
   return true;
 }
 
 void XGUI_PropertyPanel::setFocusOnOkButton()
 {
-  QToolButton* anOkBtn = findChild<QToolButton*>(PROP_PANEL_OK);
+  QToolButton* anOkBtn = findButton(PROP_PANEL_OK);
   ModuleBase_Tools::setFocus(anOkBtn, "XGUI_PropertyPanel::setFocusOnOkButton()");
 }
 
 void XGUI_PropertyPanel::setCancelEnabled(bool theEnabled)
 {
-  QToolButton* anCancelBtn = findChild<QToolButton*>(PROP_PANEL_CANCEL);
+  QToolButton* anCancelBtn = findButton(PROP_PANEL_CANCEL);
   anCancelBtn->setEnabled(theEnabled);
 }
 
 bool XGUI_PropertyPanel::isCancelEnabled() const
 {
-  QToolButton* anCancelBtn = findChild<QToolButton*>(PROP_PANEL_CANCEL);
+  QToolButton* anCancelBtn = findButton(PROP_PANEL_CANCEL);
   return anCancelBtn->isEnabled();
 }
 
@@ -441,11 +474,12 @@ void XGUI_PropertyPanel::setEditingMode(bool isEditing)
 void XGUI_PropertyPanel::setupActions(XGUI_ActionsMgr* theMgr)
 {
   QStringList aButtonNames;
-  aButtonNames << PROP_PANEL_OK << PROP_PANEL_CANCEL << PROP_PANEL_HELP;
+  aButtonNames << PROP_PANEL_OK << PROP_PANEL_CANCEL << PROP_PANEL_HELP << PROP_PANEL_PREVIEW;
   QList<XGUI_ActionsMgr::OperationStateActionId> aActionIds;
-  aActionIds << XGUI_ActionsMgr::Accept << XGUI_ActionsMgr::Abort << XGUI_ActionsMgr::Help;
+  aActionIds << XGUI_ActionsMgr::Accept << XGUI_ActionsMgr::Abort << XGUI_ActionsMgr::Help
+             << XGUI_ActionsMgr::Preview;
   for (int i = 0; i < aButtonNames.size(); ++i) {
-    QToolButton* aBtn = findChild<QToolButton*>(aButtonNames.at(i));
+    QToolButton* aBtn = findButton(aButtonNames.at(i).toStdString().c_str());
     QAction* anAct = theMgr->operationStateAction(aActionIds.at(i));
     aBtn->setDefaultAction(anAct);
   }
@@ -466,10 +500,19 @@ void XGUI_PropertyPanel::closeEvent(QCloseEvent* theEvent)
 {
   ModuleBase_Operation* aOp = myOperationMgr->currentOperation();
   if (aOp) {
-    if (myOperationMgr->abortAllOperations()) {
-      theEvent->accept();
+    if (myOperationMgr->canStopOperation(aOp)) {
+      myOperationMgr->abortOperation(aOp);
+      if (myOperationMgr->hasOperation())
+        theEvent->ignore();
+      else
+        theEvent->accept();
     } else 
       theEvent->ignore();
   } else
     ModuleBase_IPropertyPanel::closeEvent(theEvent);
 }
+
+QToolButton* XGUI_PropertyPanel::findButton(const char* theInternalName) const
+{
+  return findChild<QToolButton*>(theInternalName);
+}