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-rw-r--r--kpovmodeler/pmdeclareedit.cpp206
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diff --git a/kpovmodeler/pmdeclareedit.cpp b/kpovmodeler/pmdeclareedit.cpp
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+/*
+**************************************************************************
+ description
+ --------------------
+ copyright : (C) 2000-2001 by Andreas Zehender
+ email : zehender@kde.org
+**************************************************************************
+
+**************************************************************************
+* *
+* 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"