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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 <tqlayout.h>
#include <tqlineedit.h>
#include <tqlabel.h>
#include <tqtextstream.h>
#include <tqpushbutton.h>
#include <tqlistbox.h>
#include <klocale.h>
#include <kmessagebox.h>
PMDeclareEdit::PMDeclareEdit( TQWidget* tqparent, const char* name )
: Base( tqparent, name )
{
m_pDisplayedObject = 0;
m_pSelectedObject = 0;
}
void PMDeclareEdit::createTopWidgets( )
{
Base::createTopWidgets( );
TQHBoxLayout* tqlayout = new TQHBoxLayout( topLayout( ) );
m_pNameEdit = new TQLineEdit( this );
m_pNameEdit->setMaxLength( 40 );
TQLabel* label = new TQLabel( i18n( "Identifier:" ), this );
tqlayout->addWidget( label );
tqlayout->addWidget( m_pNameEdit );
connect( m_pNameEdit, TQT_SIGNAL( textChanged( const TQString& ) ),
TQT_SLOT( slotNameChanged( const TQString& ) ) );
}
void PMDeclareEdit::createBottomWidgets( )
{
TQLabel* l = new TQLabel( i18n( "Linked objects:" ), this );
topLayout( )->addWidget( l );
m_pLinkedObjects = new TQListBox( this );
m_pLinkedObjects->setMinimumHeight( 100 );
connect( m_pLinkedObjects, TQT_SIGNAL( highlighted( TQListBoxItem* ) ),
TQT_SLOT( slotItemSelected( TQListBoxItem* ) ) );
topLayout( )->addWidget( m_pLinkedObjects, 1 );
TQHBoxLayout* tqlayout = new TQHBoxLayout( topLayout( ) );
m_pSelectButton = new TQPushButton( i18n( "Select..." ), this );
m_pSelectButton->setEnabled( false );
connect( m_pSelectButton, TQT_SIGNAL( clicked( ) ), TQT_SLOT( slotSelect( ) ) );
tqlayout->addStretch( );
tqlayout->addWidget( m_pSelectButton );
Base::createBottomWidgets( );
}
void PMDeclareEdit::displayObject( PMObject* o )
{
if( o->isA( "Declare" ) )
{
m_pDisplayedObject = ( PMDeclare* ) o;
m_pNameEdit->setText( TQString( 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;
TQString 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;
TQTextStream str( &text, IO_ReadOnly );
TQChar c;
int ac;
bool ok = true;
int i = 0;
while( !str.atEnd( ) && ok )
{
str >> c;
ac = c.latin1( );
// TQChar::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->tqfind( 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->tqfind( 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->tqfind( text ) )
{
KMessageBox::error( this, i18n( "Please enter a unique identifier!" ),
i18n( "Error" ) );
return false;
}
return true;
}
void PMDeclareEdit::slotNameChanged( const TQString& )
{
emit dataChanged( );
}
void PMDeclareEdit::slotItemSelected( TQListBoxItem* item )
{
m_pSelectedObject = ( ( PMListBoxObject* ) item )->object( );
m_pSelectButton->setEnabled( true );
}
void PMDeclareEdit::slotSelect( )
{
if( m_pSelectedObject )
part( )->slotObjectChanged( m_pSelectedObject, PMCNewSelection, TQT_TQOBJECT(this) );
}
#include "pmdeclareedit.moc"
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