From c09b0f4e07c593b793b7e06a56f3a8ece7abf60f Mon Sep 17 00:00:00 2001
From: sbh <sbh@opencascade.com>
Date: Wed, 12 Sep 2012 11:11:30 +0000
Subject: [PATCH] MTN: Realtive mode was added to QtxPathEdit

---
 src/Qtx/Qtx.h           |  2 ++
 src/Qtx/QtxPathEdit.cxx | 46 +++++++++++++++++++++++++++++++++++++++--
 src/Qtx/QtxPathEdit.h   |  5 +++++
 3 files changed, 51 insertions(+), 2 deletions(-)

diff --git a/src/Qtx/Qtx.h b/src/Qtx/Qtx.h
index 907cb5afa..3291b8178 100755
--- a/src/Qtx/Qtx.h
+++ b/src/Qtx/Qtx.h
@@ -156,6 +156,8 @@ public:
   static QString     dir( const QString&, const bool = true );
   static QString     file( const QString&, const bool = true );
   static QString     extension( const QString&, const bool = false );
+  static QString     relativePath( const QString&, const QString& );
+  static QString     absolutePath( const QString&, const QString& );
 
   static QString     library( const QString& );
 
diff --git a/src/Qtx/QtxPathEdit.cxx b/src/Qtx/QtxPathEdit.cxx
index c524cbbe1..8e06601f8 100644
--- a/src/Qtx/QtxPathEdit.cxx
+++ b/src/Qtx/QtxPathEdit.cxx
@@ -196,6 +196,41 @@ void QtxPathEdit::setValidator( QValidator* v )
   lineEdit()->setValidator( v );
 }
 
+/*!
+  \brief Set base path. If thePath is not empty the editor
+  becomes relative path editor.
+  \param thePath the base path. If thePath is not empty the editor become
+  relative path editor. If thePath is empty the editor become absolute path
+  editor
+*/
+void QtxPathEdit::setBasePath( const QString& theBasePath )
+{
+  if( myBasePath.isEmpty() && !theBasePath.isEmpty() ){
+//Switch to relative path editor
+    QString aNewPath = Qtx::relativePath( theBasePath, myPath->text() );
+    myPath->setText( aNewPath );
+  }
+  if( !myBasePath.isEmpty() && theBasePath.isEmpty() ){
+//Switch to absolute path editor
+    QString aNewPath = Qtx::relativePath( theBasePath, myPath->text() );
+    myPath->setText( aNewPath );
+  }
+  if( !myBasePath.isEmpty() && !theBasePath.isEmpty() ){
+    QString anAbsPath = Qtx::absolutePath( myBasePath, myPath->text() );
+    QString aNewPath = Qtx::relativePath( theBasePath, anAbsPath );
+    myPath->setText( aNewPath );
+  }
+  myBasePath = theBasePath;
+}
+
+/*!
+  \brief Return base path. 
+ */
+QString QtxPathEdit::basePath() const
+{
+  return myBasePath;
+}
+
 /*!
   \brief Called when user clicks "Browse" button.
 
@@ -206,8 +241,12 @@ void QtxPathEdit::setValidator( QValidator* v )
 */
 void QtxPathEdit::onBrowse( bool /*on*/ )
 {
+  emit beforeBrowse();
   QString path;
-  QString initial = QFileInfo( myPath->text() ).path();
+  QString initial = myPath->text();
+  if( !myBasePath.isEmpty()  )
+    initial = Qtx::absolutePath( myBasePath, initial );
+  initial = QFileInfo( initial ).path();
   switch ( pathType() )
   {
   case Qtx::PT_OpenFile:
@@ -222,7 +261,10 @@ void QtxPathEdit::onBrowse( bool /*on*/ )
   }
 
   if ( !path.isEmpty() ) {
-    QString txt = QDir::convertSeparators( path );
+    QString txt = path;
+    if( !myBasePath.isEmpty()  )
+      txt = Qtx::relativePath(myBasePath, path );
+    txt = QDir::convertSeparators( txt );
     bool block = myPath->signalsBlocked();
     myPath->blockSignals( true );
     myPath->setText( txt );
diff --git a/src/Qtx/QtxPathEdit.h b/src/Qtx/QtxPathEdit.h
index d85312ce7..4e084573b 100644
--- a/src/Qtx/QtxPathEdit.h
+++ b/src/Qtx/QtxPathEdit.h
@@ -52,10 +52,14 @@ public:
   const QValidator* validator() const;
   void              setValidator( QValidator* );
 
+  void              setBasePath( const QString& theBasePath );
+  QString           basePath() const;
+
 signals:
   void              returnPressed();
   void              pathChanged( const QString& );
   void              pathSelected( const QString& );
+  void              beforeBrowse();
 
 private slots:
   void              onBrowse( bool = false );
@@ -68,6 +72,7 @@ private:
   QLineEdit*        myPath;
   Qtx::PathType     myType;
   QString           myFilter;
+  QString           myBasePath;
 };
 
 #endif
-- 
2.39.2