Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 206 insertions, 0 deletions

diff --git a/kpovmodeler/pmdeclareedit.cpp b/kpovmodeler/pmdeclareedit.cpp
new file mode 100644
index 00000000..5f9e9c67
--- /dev/null
+++ b/kpovmodeler/pmdeclareedit.cpp
@@ -0,0 +1,206 @@
+/*
+**************************************************************************
+                                 description
+                             --------------------
+    copyright            : (C) 2000-2001 by Andreas Zehender
+    email                : [email protected]
+**************************************************************************
+
+**************************************************************************
+*                                                                        *
+*  This program is free software; you can redistribute it and/or modify  *
+*  it under the terms of the GNU General Public License as published by  *
+*  the Free Software Foundation; either version 2 of the License, or     *
+*  (at your option) any later version.                                   *
+*                                                                        *
+**************************************************************************/
+
+
+#include "pmdeclareedit.h"
+#include "pmdeclare.h"
+#include "pmpart.h"
+#include "pmsymboltable.h"
+#include "pmscanner.h"
+#include "pmobjectselect.h"
+
+#include <qlayout.h>
+#include <qlineedit.h>
+#include <qlabel.h>
+#include <qtextstream.h>
+#include <qpushbutton.h>
+#include <qlistbox.h>
+
+#include <klocale.h>
+#include <kmessagebox.h>
+
+PMDeclareEdit::PMDeclareEdit( QWidget* parent, const char* name )
+      : Base( parent, name )
+{
+   m_pDisplayedObject = 0;
+   m_pSelectedObject = 0;
+}
+
+void PMDeclareEdit::createTopWidgets( )
+{
+   Base::createTopWidgets( );
+
+   QHBoxLayout* layout = new QHBoxLayout( topLayout( ) );
+   m_pNameEdit = new QLineEdit( this );
+   m_pNameEdit->setMaxLength( 40 );
+   QLabel* label = new QLabel( i18n( "Identifier:" ), this );
+
+   layout->addWidget( label );
+   layout->addWidget( m_pNameEdit );
+
+   connect( m_pNameEdit, SIGNAL( textChanged( const QString& ) ),
+            SLOT( slotNameChanged( const QString& ) ) );
+}
+
+void PMDeclareEdit::createBottomWidgets( )
+{
+   QLabel* l = new QLabel( i18n( "Linked objects:" ), this );
+   topLayout( )->addWidget( l );
+
+   m_pLinkedObjects = new QListBox( this );
+   m_pLinkedObjects->setMinimumHeight( 100 );
+   connect( m_pLinkedObjects, SIGNAL( highlighted( QListBoxItem* ) ),
+            SLOT( slotItemSelected( QListBoxItem* ) ) );
+   topLayout( )->addWidget( m_pLinkedObjects, 1 );
+
+   QHBoxLayout* layout = new QHBoxLayout( topLayout( ) );
+   m_pSelectButton = new QPushButton( i18n( "Select..." ), this );
+   m_pSelectButton->setEnabled( false );
+
+   connect( m_pSelectButton, SIGNAL( clicked( ) ), SLOT( slotSelect( ) ) );
+   layout->addStretch( );
+   layout->addWidget( m_pSelectButton );
+
+   Base::createBottomWidgets( );
+}
+
+void PMDeclareEdit::displayObject( PMObject* o )
+{
+   if( o->isA( "Declare" ) )
+   {
+      m_pDisplayedObject = ( PMDeclare* ) o;
+      m_pNameEdit->setText( QString( m_pDisplayedObject->id( ) ) );
+
+      m_pNameEdit->setReadOnly( m_pDisplayedObject->isReadOnly( ) );
+
+      PMObjectListIterator it( m_pDisplayedObject->linkedObjects( ) );
+      m_pLinkedObjects->clear( );
+
+      for( ; it.current( ); ++it )
+         m_pLinkedObjects->insertItem(
+            new PMListBoxObject( it.current( ) ) );
+
+      m_pSelectButton->setEnabled( false );
+      m_pSelectedObject = 0;
+
+      Base::displayObject( o );
+   }
+   else
+      kdError( PMArea ) << "PMDeclareEdit: Can't display object\n";
+}
+
+void PMDeclareEdit::saveContents( )
+{
+   if( m_pDisplayedObject )
+   {
+      Base::saveContents( );
+      m_pDisplayedObject->setID( m_pNameEdit->text( ) );
+   }
+}
+
+bool PMDeclareEdit::isDataValid( )
+{
+   if( !Base::isDataValid( ) )
+      return false;
+
+   QString text = m_pNameEdit->text( );
+   if( text.length( ) == 0 )
+   {
+      KMessageBox::error( this, i18n( "Please enter an identifier!" ),
+                          i18n( "Error" ) );
+      return false;
+   }
+
+   if( text == m_pDisplayedObject->id( ) )
+      return true;
+
+   QTextStream str( &text, IO_ReadOnly );
+   QChar c;
+   int ac;
+   bool ok = true;
+   int i = 0;
+   while( !str.atEnd( ) && ok )
+   {
+      str >> c;
+      ac = c.latin1( );
+      // QChar::category can't be used because umlauts are not allowed
+      if( i == 0 )
+         ok = ( ( ( ac >= 'a' ) && ( ac <= 'z' ) ) ||
+                ( ( ac >= 'A' ) && ( ac <= 'Z' ) ) ||
+                ( ac == '_' ) );
+      else
+         ok  = ( ( ( ac >= 'a' ) && ( ac <= 'z' ) ) ||
+                 ( ( ac >= 'A' ) && ( ac <= 'Z' ) ) ||
+                 ( ( ac >= '0' ) && ( ac <= '9' ) ) ||
+                 ( ac == '_' ) );
+      i++;
+   }
+   if( !ok )
+   {
+      KMessageBox::error( this, i18n( "An identifier may consist of letters,"
+                                      " digits and the underscore character"
+                                      " ('_').\n"
+                                      "The first character must be a letter"
+                                      " or the underscore character!" ),
+                          i18n( "Error" ) );
+      return false;
+   }
+   // valid identifer!
+
+   PMReservedWordDict* dict = PMScanner::reservedWords( );
+   if( dict->find( text.latin1( ) ) != -1 )
+   {
+      KMessageBox::error( this, i18n( "You can't use a povray reserved word"
+                                      " as an identifier!" ), i18n( "Error" ) );
+      return false;
+   }
+   dict = PMScanner::directives( );
+   if( dict->find( text.latin1( ) ) != -1 )
+   {
+      KMessageBox::error( this, i18n( "You can't use a povray directive"
+                                      " as an identifier!" ), i18n( "Error" ) );
+      return false;
+   }
+
+   // no reserved word
+   PMSymbolTable* st = part( )->symbolTable( );
+   if( st->find( text ) )
+   {
+      KMessageBox::error( this, i18n( "Please enter a unique identifier!" ),
+                          i18n( "Error" ) );
+      return false;
+   }
+   return true;
+}
+
+void PMDeclareEdit::slotNameChanged( const QString& )
+{
+   emit dataChanged( );
+}
+
+void PMDeclareEdit::slotItemSelected( QListBoxItem* item )
+{
+   m_pSelectedObject = ( ( PMListBoxObject* ) item )->object( );
+   m_pSelectButton->setEnabled( true );
+}
+
+void PMDeclareEdit::slotSelect( )
+{
+   if( m_pSelectedObject )
+      part( )->slotObjectChanged( m_pSelectedObject, PMCNewSelection, this );
+}
+#include "pmdeclareedit.moc"