diff options
Diffstat (limited to 'kpovmodeler/pmdeclareedit.cpp')
| -rw-r--r-- | kpovmodeler/pmdeclareedit.cpp | 206 |
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 : 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" |