From a34b423a7b1c26957b15dcb6b82f6e81e57235f5 Mon Sep 17 00:00:00 2001
From: nds <nds@opencascade.com>
Date: Thu, 21 Nov 2013 07:19:46 +0000
Subject: [PATCH] Remove functionality by popup menu and the keyboard button
 "Delete".

---
 src/HYDROGUI/HYDROGUI_Module.cxx      |  9 +++++++++
 src/HYDROGUI/HYDROGUI_Module.h        |  2 ++
 src/HYDROGUI/HYDROGUI_Operations.cxx  | 13 ++++++++++++-
 src/HYDROGUI/HYDROGUI_PolylineDlg.cxx | 16 ++++++++++++++++
 src/HYDROGUI/HYDROGUI_PolylineDlg.h   |  3 +++
 src/HYDROGUI/HYDROGUI_PolylineOp.cxx  | 18 ++++++++++++++++++
 src/HYDROGUI/HYDROGUI_PolylineOp.h    |  3 +++
 7 files changed, 63 insertions(+), 1 deletion(-)

diff --git a/src/HYDROGUI/HYDROGUI_Module.cxx b/src/HYDROGUI/HYDROGUI_Module.cxx
index 28fc93e7..3b45b680 100644
--- a/src/HYDROGUI/HYDROGUI_Module.cxx
+++ b/src/HYDROGUI/HYDROGUI_Module.cxx
@@ -38,6 +38,7 @@
 #include "HYDROGUI_VTKPrs.h"
 #include "HYDROGUI_VTKPrsDisplayer.h"
 #include "HYDROGUI_AbstractDisplayer.h"
+#include "HYDROGUI_PolylineOp.h"
 
 #include <HYDROData_Image.h>
 #include <HYDROData_Lambert93.h>
@@ -418,6 +419,14 @@ void HYDROGUI_Module::contextMenuPopup( const QString& theClient,
     }
   }
 
+  if ( anIsOCCView )
+  {
+    SUIT_Operation* anOp = application()->activeStudy()->activeOperation();
+    HYDROGUI_PolylineOp* aPolylineOp = dynamic_cast<HYDROGUI_PolylineOp*>( anOp );
+    if ( aPolylineOp && aPolylineOp->deleteEnabled() )
+      theMenu->addAction( action( DeleteId ) );
+  }
+
   if( anIsObjectBrowser || anIsGraphicsView || anIsOCCView || anIsVTKView )
   {
     theMenu->addAction( action( ShowAllId ) );
diff --git a/src/HYDROGUI/HYDROGUI_Module.h b/src/HYDROGUI/HYDROGUI_Module.h
index 0aaf8f0b..384e5e71 100644
--- a/src/HYDROGUI/HYDROGUI_Module.h
+++ b/src/HYDROGUI/HYDROGUI_Module.h
@@ -162,6 +162,8 @@ protected:
 
 protected slots:
   void                            onOperation();
+  void                            onDelete();
+
 
   bool                            onUndo( int theNumActions );
   bool                            onRedo( int theNumActions );
diff --git a/src/HYDROGUI/HYDROGUI_Operations.cxx b/src/HYDROGUI/HYDROGUI_Operations.cxx
index d32802e9..87515c4d 100644
--- a/src/HYDROGUI/HYDROGUI_Operations.cxx
+++ b/src/HYDROGUI/HYDROGUI_Operations.cxx
@@ -127,7 +127,8 @@ void HYDROGUI_Module::createActions()
   createAction( SplitImageId, "SPLIT_IMAGE" );
   createAction( EditSplittedImageId, "EDIT_SPLITTED_IMAGE" );
 
-  createAction( DeleteId, "DELETE", "", Qt::Key_Delete );
+  createAction( DeleteId, "DELETE", "", Qt::Key_Delete, false,
+                SLOT( onDelete() ) );
 
   createAction( SetColorId, "COLOR" );
 
@@ -232,6 +233,16 @@ void HYDROGUI_Module::onOperation()
     startOperation( anId );
 }
 
+void HYDROGUI_Module::onDelete()
+{
+  SUIT_Operation* anOp = application()->activeStudy()->activeOperation();
+  HYDROGUI_PolylineOp* aPolylineOp = dynamic_cast<HYDROGUI_PolylineOp*>( anOp );
+  if ( aPolylineOp && aPolylineOp->deleteEnabled() )
+    aPolylineOp->deleteSelected();
+  else
+    startOperation( DeleteId );
+}
+
 bool HYDROGUI_Module::onUndo( int theNumActions )
 {
   QApplication::setOverrideCursor( Qt::WaitCursor );
diff --git a/src/HYDROGUI/HYDROGUI_PolylineDlg.cxx b/src/HYDROGUI/HYDROGUI_PolylineDlg.cxx
index 88f11469..de14235f 100755
--- a/src/HYDROGUI/HYDROGUI_PolylineDlg.cxx
+++ b/src/HYDROGUI/HYDROGUI_PolylineDlg.cxx
@@ -120,3 +120,19 @@ QList< QPair< int, int > > HYDROGUI_PolylineDlg::getSelectedPoints()
 {
   return myEditorWidget->getSelectedPoints();
 }
+
+/**
+ * Redirect the delete action to editor widget
+ */
+void HYDROGUI_PolylineDlg::deleteSelected()
+{
+  myEditorWidget->removeSelected();
+}
+
+/**
+ * Checks whether there are some to delete
+ */
+bool HYDROGUI_PolylineDlg::deleteEnabled()
+{
+  return myEditorWidget->removeEnabled();
+}
diff --git a/src/HYDROGUI/HYDROGUI_PolylineDlg.h b/src/HYDROGUI/HYDROGUI_PolylineDlg.h
index 69c4b6cb..866527c1 100755
--- a/src/HYDROGUI/HYDROGUI_PolylineDlg.h
+++ b/src/HYDROGUI/HYDROGUI_PolylineDlg.h
@@ -51,6 +51,9 @@ public:
   QList<int> getSelectedSections();
   QList< QPair< int, int > > getSelectedPoints();
 
+  void  deleteSelected();
+  bool  deleteEnabled();
+
 protected slots:
   void processStartedSubOperation( QWidget* );
   void processFinishedSubOperation( QWidget* );
diff --git a/src/HYDROGUI/HYDROGUI_PolylineOp.cxx b/src/HYDROGUI/HYDROGUI_PolylineOp.cxx
index cbefd532..ae3d5b21 100755
--- a/src/HYDROGUI/HYDROGUI_PolylineOp.cxx
+++ b/src/HYDROGUI/HYDROGUI_PolylineOp.cxx
@@ -56,6 +56,24 @@ HYDROGUI_PolylineOp::~HYDROGUI_PolylineOp()
   erasePreview();
 }
 
+/**
+ * Redirect the delete action to input panel
+ */
+void HYDROGUI_PolylineOp::deleteSelected()
+{
+  HYDROGUI_PolylineDlg* aPanel = (HYDROGUI_PolylineDlg*)inputPanel();
+  aPanel->deleteSelected();
+}
+
+/**
+ * Checks whether there are some to delete
+ */
+bool HYDROGUI_PolylineOp::deleteEnabled()
+{
+  HYDROGUI_PolylineDlg* aPanel = (HYDROGUI_PolylineDlg*)inputPanel();
+  return aPanel->deleteEnabled();
+}
+
 void HYDROGUI_PolylineOp::startOperation()
 {
   if( myCurve )
diff --git a/src/HYDROGUI/HYDROGUI_PolylineOp.h b/src/HYDROGUI/HYDROGUI_PolylineOp.h
index 78c97a5b..c7fbe658 100755
--- a/src/HYDROGUI/HYDROGUI_PolylineOp.h
+++ b/src/HYDROGUI/HYDROGUI_PolylineOp.h
@@ -39,6 +39,9 @@ public:
   HYDROGUI_PolylineOp( HYDROGUI_Module* theModule, bool isEdit );
   virtual ~HYDROGUI_PolylineOp();
 
+  void                       deleteSelected();
+  bool                       deleteEnabled();
+
 protected:
   virtual void               startOperation();
   virtual void               abortOperation();
-- 
2.39.2