command.cpp

Trolltech公司发布的基于C++图形开发环境

{
    if ( !layout )
	return;
    formWindow()->clearSelection( FALSE );
    layout->doLayout();
    formWindow()->mainWindow()->objectHierarchy()->rebuild();
    MetaDataBase::setSpacing( WidgetFactory::containerOfWidget( lb ), spacing );
    MetaDataBase::setMargin( WidgetFactory::containerOfWidget( lb ), margin );
}

// ------------------------------------------------------------

MacroCommand::MacroCommand( const QString &n, FormWindow *fw,
			    const QPtrList<Command> &cmds )
    : Command( n, fw ), commands( cmds )
{
}

void MacroCommand::execute()
{
    for ( Command *c = commands.first(); c; c = commands.next() )
	c->execute();
}

void MacroCommand::unexecute()
{
    for ( Command *c = commands.last(); c; c = commands.prev() )
	c->unexecute();
}

// ------------------------------------------------------------

AddTabPageCommand::AddTabPageCommand( const QString &n, FormWindow *fw,
				      QTabWidget *tw, const QString &label )
    : Command( n, fw ), tabWidget( tw ), tabLabel( label )
{
    tabPage = new QDesignerWidget( formWindow(), tabWidget, "TabPage" );
    tabPage->hide();
    index = -1;
    MetaDataBase::addEntry( tabPage );
}

void AddTabPageCommand::execute()
{
    if ( index == -1 )
	index = ( (QDesignerTabWidget*)tabWidget )->count();
    tabWidget->insertTab( tabPage, tabLabel, index );
    tabWidget->showPage( tabPage );
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->tabsChanged( tabWidget );
}

void AddTabPageCommand::unexecute()
{
    tabWidget->removePage( tabPage );
    tabPage->hide();
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->tabsChanged( tabWidget );
}

// ------------------------------------------------------------

MoveTabPageCommand::MoveTabPageCommand( const QString &n, FormWindow *fw,
				      QTabWidget *tw, QWidget* page, const QString& label, int nIndex, int oIndex )
    : Command( n, fw ), tabWidget( tw ), tabPage( page ), tabLabel( label )
{
    newIndex = nIndex;
    oldIndex = oIndex;
}

void MoveTabPageCommand::execute()
{
    ((QDesignerTabWidget*)tabWidget )->removePage( tabPage );
    ((QDesignerTabWidget*)tabWidget )->insertTab( tabPage, tabLabel, newIndex );
    ((QDesignerTabWidget*)tabWidget )->showPage( tabPage );
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->tabsChanged( tabWidget );
}

void MoveTabPageCommand::unexecute()
{
    ((QDesignerTabWidget*)tabWidget )->removePage( tabPage );
    ((QDesignerTabWidget*)tabWidget )->insertTab( tabPage, tabLabel, oldIndex );
    ((QDesignerTabWidget*)tabWidget )->showPage( tabPage );
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->tabsChanged( tabWidget );
}

// ------------------------------------------------------------

DeleteTabPageCommand::DeleteTabPageCommand( const QString &n, FormWindow *fw,
					    QTabWidget *tw, QWidget *page )
    : Command( n, fw ), tabWidget( tw ), tabPage( page )
{
    tabLabel = ( (QDesignerTabWidget*)tabWidget )->pageTitle();
    index = ( (QDesignerTabWidget*)tabWidget )->currentPage();
}

void DeleteTabPageCommand::execute()
{
    tabWidget->removePage( tabPage );
    tabPage->hide();
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->tabsChanged( tabWidget );
}

void DeleteTabPageCommand::unexecute()
{
    tabWidget->insertTab( tabPage, tabLabel, index );
    tabWidget->showPage( tabPage );
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->tabsChanged( tabWidget );
}

// ------------------------------------------------------------

AddWidgetStackPageCommand::AddWidgetStackPageCommand( const QString &n, FormWindow *fw,
						      QDesignerWidgetStack *ws )
    : Command( n, fw ), widgetStack( ws )
{
    stackPage = new QDesignerWidget( formWindow(), widgetStack, "WStackPage" );
    stackPage->hide();
    index = -1;
    MetaDataBase::addEntry( stackPage );
}

void AddWidgetStackPageCommand::execute()
{
    index = widgetStack->insertPage( stackPage, index );
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->tabsChanged( 0 );
}

void AddWidgetStackPageCommand::unexecute()
{
    index = widgetStack->removePage( stackPage );
    stackPage->hide();
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->tabsChanged( 0 );
}

DeleteWidgetStackPageCommand::DeleteWidgetStackPageCommand( const QString &n, FormWindow *fw,
							    QDesignerWidgetStack *ws, QWidget *page )
    : Command( n, fw), widgetStack( ws ), stackPage( page )
{
    index = -1;
}

void DeleteWidgetStackPageCommand::execute()
{
    index = widgetStack->removePage( stackPage );
    stackPage->hide();
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->widgetRemoved( stackPage );
}

void DeleteWidgetStackPageCommand::unexecute()
{
    index = widgetStack->insertPage( stackPage, index );
    widgetStack->raiseWidget( stackPage );
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->widgetInserted( stackPage );
}

// ------------------------------------------------------------

AddWizardPageCommand::AddWizardPageCommand( const QString &n, FormWindow *fw,
					    QWizard *w, const QString &label, int i, bool s )
    : Command( n, fw ), wizard( w ), pageLabel( label )
{
    page = new QDesignerWidget( formWindow(), wizard, "WizardPage" );
    page->hide();
    index = i;
    show = s;
    MetaDataBase::addEntry( page );
}

void AddWizardPageCommand::execute()
{
    if ( index == -1 )
	index = wizard->pageCount();
    wizard->insertPage( page, pageLabel, index );
    if ( show )
	( (QDesignerWizard*)wizard )->setCurrentPage( ( (QDesignerWizard*)wizard )->pageNum( page ) );
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->pagesChanged( wizard );
}

void AddWizardPageCommand::unexecute()
{
    wizard->removePage( page );
    page->hide();
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->pagesChanged( wizard );
}

// ------------------------------------------------------------

DeleteWizardPageCommand::DeleteWizardPageCommand( const QString &n, FormWindow *fw,
						  QWizard *w, int i, bool s )
    : Command( n, fw ), wizard( w ), index( i )
{
    show = s;
}

void DeleteWizardPageCommand::execute()
{
    page = wizard->page( index );
    pageLabel = wizard->title( page );
    wizard->removePage( page );
    page->hide();
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->pagesChanged( wizard );
}

void DeleteWizardPageCommand::unexecute()
{
    wizard->insertPage( page, pageLabel, index );
    if ( show )
	( (QDesignerWizard*)wizard )->setCurrentPage( ( (QDesignerWizard*)wizard )->pageNum( page ) );
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->pagesChanged( wizard );
}

// ------------------------------------------------------------

RenameWizardPageCommand::RenameWizardPageCommand( const QString &n, FormWindow *fw,
						  QWizard *w, int i, const QString& name )
    : Command( n, fw ), wizard( w ), index( i ), label( name )
{

}

void RenameWizardPageCommand::execute()
{
    page = wizard->page( index );
    QString oldLabel = wizard->title( page );

    wizard->setTitle( page, label );
    label = oldLabel;
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
}

void RenameWizardPageCommand::unexecute()
{
    execute();
}

// ------------------------------------------------------------

SwapWizardPagesCommand::SwapWizardPagesCommand( const QString &n, FormWindow *fw, QWizard *w, int i1, int i2 )
    : Command( n, fw ), wizard( w ), index1( i1 ), index2( i2 )
{
}

void SwapWizardPagesCommand::execute()
{
    QWidget *page1 = wizard->page( index1 );
    QWidget *page2 = wizard->page( index2 );
    QString page1Label = wizard->title( page1 );
    QString page2Label = wizard->title( page2 );
    wizard->removePage( page1 );
    wizard->removePage( page2 );
    wizard->insertPage( page1, page1Label, index2 );
    wizard->insertPage( page2, page2Label, index1 );
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->pagesChanged( wizard );
}

void SwapWizardPagesCommand::unexecute()
{
    execute();
}

// ------------------------------------------------------------

MoveWizardPageCommand::MoveWizardPageCommand( const QString &n, FormWindow *fw, QWizard *w, int i1, int i2 )
    : Command( n, fw ), wizard( w ), index1( i1 ), index2( i2 )
{
}

void MoveWizardPageCommand::execute()
{
    QWidget *page = wizard->page( index1 );
    QString pageLabel = wizard->title( page );
    wizard->removePage( page );
    wizard->insertPage( page, pageLabel, index2 );
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->pagesChanged( wizard );
}

void MoveWizardPageCommand::unexecute()
{
    // ###FIX: index1 may be the wrong place
    QWidget *page = wizard->page( index2 );
    QString pageLabel = wizard->title( page );
    wizard->removePage( page );
    wizard->insertPage( page, pageLabel, index1 );
    formWindow()->emitUpdateProperties( formWindow()->currentWidget() );
    formWindow()->mainWindow()->objectHierarchy()->pagesChanged( wizard );
}

// ------------------------------------------------------------

AddConnectionCommand::AddConnectionCommand( const QString &name, FormWindow *fw,
					    MetaDataBase::Connection c )
    : Command( name, fw ), connection( c )
{
}

void AddConnectionCommand::execute()
{
    MetaDataBase::addConnection( formWindow(), connection.sender,
				 connection.signal, connection.receiver, connection.slot );
    if ( connection.receiver == formWindow()->mainContainer() )
	formWindow()->mainWindow()->propertyeditor()->eventList()->setup();
}

void AddConnectionCommand::unexecute()
{
    MetaDataBase::removeConnection( formWindow(), connection.sender,
				    connection.signal, connection.receiver, connection.slot );
    if ( connection.receiver == formWindow()->mainContainer() )
	formWindow()->mainWindow()->propertyeditor()->eventList()->setup();
}

// ------------------------------------------------------------

RemoveConnectionCommand::RemoveConnectionCommand( const QString &name, FormWindow *fw,
						  MetaDataBase::Connection c )
    : Command( name, fw ), connection( c )
{
}

void RemoveConnectionCommand::execute()
{
    MetaDataBase::removeConnection( formWindow(), connection.sender,
				    connection.signal, connection.receiver, connection.slot );
    if ( connection.receiver == formWindow()->mainContainer() )
	formWindow()->mainWindow()->propertyeditor()->eventList()->setup();
}

void RemoveConnectionCommand::unexecute()
{
    MetaDataBase::addConnection( formWindow(), connection.sender,
				 connection.signal, connection.receiver, connection.slot );
    if ( connection.receiver == formWindow()->mainContainer() )
	formWindow()->mainWindow()->propertyeditor()->eventList()->setup();
}

// ------------------------------------------------------------

AddFunctionCommand::AddFunctionCommand( const QString &name, FormWindow *fw, const QCString &f,
					const QString& spec, const QString &a, const QString &t,
					const QString &l, const QString &rt )
    : Command( name, fw ), function( f ), specifier( spec ), access( a ), functionType( t ), language( l ),
      returnType( rt )
{
}

void AddFunctionCommand::execute()
{
    MetaDataBase::addFunction( formWindow(), function, specifier, access, functionType, language, returnType );
    formWindow()->mainWindow()->functionsChanged();
    if ( formWindow()->formFile() )
	formWindow()->formFile()->setModified( TRUE );
}

void AddFunctionCommand::unexecute()
{
    MetaDataBase::removeFunction( formWindow(), function, specifier, access, functionType,  language, returnType );
    formWindow()->mainWindow()->functionsChanged();
    if ( formWindow()->formFile() )
	formWindow()->formFile()->setModified( TRUE );
}

// ------------------------------------------------------------

ChangeFunctionAttribCommand::ChangeFunctionAttribCommand( const QString &name, FormWindow *fw, MetaDataBase::Function f,
							  const QString &on, const QString &os,
							  const QString &oa, const QString &ot, const QString &ol,
							  const QString &ort )
    : Command( name, fw ), oldName( on ), oldSpec( os ), oldAccess( oa ),
      oldType( ot ), oldLang( ol ), oldReturnType( ort )
{
	    newName = f.function;
	    newSpec = f.specifier;
	    newAccess = f.access;
	    newType = f.type;
	    newLang = f.language;
	    newReturnType = f.returnType;
}

void ChangeFunctionAttribCommand::execute()
{
    MetaDataBase::changeFunctionAttributes( formWindow(), oldName, newName, newSpec, newAccess,
					    newType, newLang, newReturnType );
    formWindow()->formFile()->functionNameChanged( oldName, newName );
    formWindow()->formFile()->functionRetTypeChanged( newName, oldReturnType, newReturnType );
    formWindow()->mainWindow()->functionsChanged();
    if ( formWindow()->formFile() )
	formWindow()->formFile()->setModified( TRUE );
}

void ChangeFunctionAttribCommand::unexecute()
{