CR24212: Moving OCAF samples from 'DRAW' component to OCCT samples.

samples/ocafsamples/TDocStd_Sample.cxx

@@ -0,0 +1,129 @@
+// Created on: 1999-12-28
+// Created by: Sergey RUIN
+// Copyright (c) 1999-1999 Matra Datavision
+// Copyright (c) 1999-2012 OPEN CASCADE SAS
+//
+// The content of this file is subject to the Open CASCADE Technology Public
+// License Version 6.5 (the "License"). You may not use the content of this file
+// except in compliance with the License. Please obtain a copy of the License
+// at http://www.opencascade.org and read it completely before using this file.
+//
+// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
+// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
+//
+// The Original Code and all software distributed under the License is
+// distributed on an "AS IS" basis, without warranty of any kind, and the
+// Initial Developer hereby disclaims all such warranties, including without
+// limitation, any warranties of merchantability, fitness for a particular
+// purpose or non-infringement. Please see the License for the specific terms
+// and conditions governing the rights and limitations under the License.
+
+
+
+#include <TDF_Data.hxx>
+#include <TDF_Label.hxx>
+#include <TDocStd_Application.hxx>
+#include <TDocStd_Document.hxx>
+#include <TDocStd_XLinkTool.hxx> 
+#include <CDF_Session.hxx> 
+
+// ====================================================================================
+// This sample contains template for typical actions with OCAF document at application 
+// level (store / retrieve)
+// ====================================================================================
+
+#ifdef DEB
+static void Sample()
+{
+
+  
+  //...Creating application 
+
+  Handle(TDocStd_Application) app; 
+
+  // the application is now handled by the CDF_Session variable
+
+
+  //...Retrieving the  application
+
+
+  if (!CDF_Session::Exists()) {
+    Handle(CDF_Session) S = CDF_Session::CurrentSession();  
+    if (!S->HasCurrentApplication())  
+    Standard_DomainError::Raise("DDocStd::Find no applicative session");
+    app = Handle(TDocStd_Application)::DownCast(S->CurrentApplication());
+  }
+  else {
+    // none active application
+  }
+  
+  //...Creating the new document (document conatins a framework) 
+
+  Handle(TDocStd_Document) doc;
+  app->NewDocument("Standard", doc);
+  
+  //...Getting application to which the document belongs
+
+  app =  Handle(TDocStd_Application)::DownCast(doc->Application());
+
+
+  //...Getting application to which the document belongs
+
+  app =  Handle(TDocStd_Application)::DownCast(doc->Application());
+ 
+
+  //...Getting data framework from document
+
+  Handle(TDF_Data) framework = doc->GetData();
+
+  //...Retrieving the document from a label of its framework
+
+  TDF_Label label; 
+  doc =  TDocStd_Document::Get(label);
+
+  //... Filling document with data
+
+  //Saving document in the file "/tmp/example.std" give the full path
+
+  app->SaveAs(doc, "/tmp/example.std");
+
+  //Closing document
+
+  app->Close(doc);
+
+  //Opening document stored in file
+
+  app->Open("/tmp/example.std", doc);
+
+
+
+
+  //Coping content of a document to another document with possibility update copy in future
+
+  Handle(TDocStd_Document) doc1;  
+  Handle(TDocStd_Document) doc2;
+
+
+  TDF_Label source = doc1->GetData()->Root();
+  TDF_Label target = doc2->GetData()->Root();
+  TDocStd_XLinkTool XLinkTool;
+
+  //Coping content of a document to another document with possibility update copy in future
+
+  XLinkTool.CopyWithLink(target,source); //Now target document has a copy of source document , the copy also has
+                                                 //a link to have possibility update content of the copy if orginal changed
+
+  //...Something is chaneged in source document
+
+  //Updating copy in target document 
+
+  XLinkTool.UpdateLink(target);
+
+  //Cping content of a document to another document
+
+  XLinkTool.Copy(target, source); //Now target document has a copy of source document, there is no link between
+                                  //the copy  and original
+  
+  
+}
+#endif