From: vsv <vsv@opencascade.com>
Date: Thu, 7 Dec 2017 12:18:58 +0000 (+0300)
Subject: Issue #2340: Provide list of accessible Undo/Redo commands for widgets
X-Git-Tag: V_2.10.0RC~80
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=9c514651da1b6a7ecc068e6bc1e146f569873603;p=modules%2Fshaper.git

Issue #2340: Provide list of accessible Undo/Redo commands for widgets
---

diff --git a/src/ModuleBase/ModuleBase_ModelWidget.h b/src/ModuleBase/ModuleBase_ModelWidget.h
index c63e684cb..18a201a39 100644
--- a/src/ModuleBase/ModuleBase_ModelWidget.h
+++ b/src/ModuleBase/ModuleBase_ModelWidget.h
@@ -24,6 +24,7 @@
 #include <ModuleBase.h>
 #include <ModuleBase_ActionType.h>
 #include <ModuleBase_OperationFeature.h>
+#include <ModuleBase_ActionInfo.h>
 #include <ModelAPI_Feature.h>
 
 #include <QWidget>
@@ -252,6 +253,11 @@ Q_OBJECT
   /// Returns true if the event is processed. The default implementation is empty, returns false.
   virtual bool processAction(ModuleBase_ActionType theActionType);
 
+  /// Returns list of accessible actions for Undo/Redo commands. By default it returns empty list.
+  /// \param theActionType type of action. It can be ActionUndo or ActionRedo.
+  virtual QList<ActionInfo> actionsList(ModuleBase_ActionType theActionType) const
+  { return QList<ActionInfo>(); }
+
   /// Sends Update and Redisplay for the given object
   /// \param theObj is updating object
   void updateObject(ObjectPtr theObj);
diff --git a/src/ModuleBase/ModuleBase_WidgetMultiSelector.cpp b/src/ModuleBase/ModuleBase_WidgetMultiSelector.cpp
index 15be27427..53350edaf 100755
--- a/src/ModuleBase/ModuleBase_WidgetMultiSelector.cpp
+++ b/src/ModuleBase/ModuleBase_WidgetMultiSelector.cpp
@@ -505,6 +505,7 @@ void ModuleBase_WidgetMultiSelector::appendSelectionInHistory()
   QList<ModuleBase_ViewerPrsPtr> aSelected = getFilteredSelected();
   myCurrentHistoryIndex++;
   mySelectedHistoryValues.append(aSelected);
+  int aNb = mySelectedHistoryValues.count();
   myWorkshop->updateCommandStatus();
 
 #ifdef DEBUG_UNDO_REDO
@@ -882,3 +883,32 @@ bool ModuleBase_WidgetMultiSelector::findInSelection(const ObjectPtr& theObject,
   }
   return aFound;
 }
+
+QList<ActionInfo> ModuleBase_WidgetMultiSelector::actionsList(ModuleBase_ActionType theActionType) const
+{
+  QList<ActionInfo> aList;
+  if (myCurrentHistoryIndex > -1) {
+    int i = 0;
+    QString aTitle("Selection %1 items");
+    QIcon aIcon(":pictures/selection.png");
+    switch (theActionType) {
+    case ActionUndo:
+      i = 1;
+      while (i <= myCurrentHistoryIndex) {
+        ActionInfo aInfo(aIcon, aTitle.arg(mySelectedHistoryValues.at(i).count()));
+        aList.append(aInfo);
+        i++;
+      }
+      break;
+    case ActionRedo:
+      i = mySelectedHistoryValues.length() - 1;
+      while (i > myCurrentHistoryIndex) {
+        ActionInfo aInfo(aIcon, aTitle.arg(mySelectedHistoryValues.at(i).count()));
+        aList.append(aInfo);
+        i--;
+      }
+      break;
+    }
+  }
+  return aList;
+}
\ No newline at end of file
diff --git a/src/ModuleBase/ModuleBase_WidgetMultiSelector.h b/src/ModuleBase/ModuleBase_WidgetMultiSelector.h
index 6b35b9380..96542e3f2 100755
--- a/src/ModuleBase/ModuleBase_WidgetMultiSelector.h
+++ b/src/ModuleBase/ModuleBase_WidgetMultiSelector.h
@@ -103,6 +103,10 @@ class MODULEBASE_EXPORT ModuleBase_WidgetMultiSelector : public ModuleBase_Widge
   /// \return a boolean value
   virtual bool isValidSelectionCustom(const std::shared_ptr<ModuleBase_ViewerPrs>& thePrs);
 
+  /// Returns list of accessible actions for Undo/Redo commands. By default it returns empty list.
+  /// \param theActionType type of action. It can be ActionUndo or ActionRedo.
+  virtual QList<ActionInfo> actionsList(ModuleBase_ActionType theActionType) const;
+
 public slots:
   /// Slot is called on selection type changed
   void onSelectionTypeChanged();
diff --git a/src/XGUI/XGUI_Workshop.cpp b/src/XGUI/XGUI_Workshop.cpp
index 5d935ad3f..e4fc24368 100755
--- a/src/XGUI/XGUI_Workshop.cpp
+++ b/src/XGUI/XGUI_Workshop.cpp
@@ -1265,12 +1265,21 @@ void XGUI_Workshop::updateCommandStatus()
 //******************************************************
 void XGUI_Workshop::updateHistory()
 {
-  std::list<std::string> aUndoList = ModelAPI_Session::get()->undoList();
-  QList<ActionInfo> aUndoRes = processHistoryList(aUndoList);
-  emit updateUndoHistory(aUndoRes);
+  bool isActionEnabled = false;
+  ModuleBase_ModelWidget* anActiveWidget = myOperationMgr->activeWidget();
+  QList<ActionInfo> aUndoRes;
+  QList<ActionInfo> aRedoRes;
+  if (anActiveWidget && anActiveWidget->canProcessAction(ActionUndo, isActionEnabled)) {
+    aUndoRes = anActiveWidget->actionsList(ActionUndo);
+    aRedoRes = anActiveWidget->actionsList(ActionRedo);
+  } else {
+    std::list<std::string> aUndoList = ModelAPI_Session::get()->undoList();
+    aUndoRes = processHistoryList(aUndoList);
 
-  std::list<std::string> aRedoList = ModelAPI_Session::get()->redoList();
-  QList<ActionInfo> aRedoRes = processHistoryList(aRedoList);
+    std::list<std::string> aRedoList = ModelAPI_Session::get()->redoList();
+    aRedoRes = processHistoryList(aRedoList);
+  }
+  emit updateUndoHistory(aUndoRes);
   emit updateRedoHistory(aRedoRes);
 }
 
diff --git a/src/XGUI/XGUI_pictures.qrc b/src/XGUI/XGUI_pictures.qrc
index cc92ee6fb..14e55f367 100644
--- a/src/XGUI/XGUI_pictures.qrc
+++ b/src/XGUI/XGUI_pictures.qrc
@@ -68,5 +68,6 @@
      <file>pictures/insert_folder_before.png</file>
      <file>pictures/move_out_after.png</file>
      <file>pictures/move_out_before.png</file>
+     <file>pictures/selection.png</file>
  </qresource>
  </RCC>
diff --git a/src/XGUI/pictures/selection.png b/src/XGUI/pictures/selection.png
new file mode 100644
index 000000000..4cc4088db
Binary files /dev/null and b/src/XGUI/pictures/selection.png differ