ncreportdesignerdocument.cpp

基于QT的报表工具

	else if ( po.pageSize == "B0" ) {
		w = 1030.0; h = 1456.0;
	}
	else if ( po.pageSize == "B1" ) {
		w = 728.0; h = 1030.0;
	}
	else if ( po.pageSize == "B10" ) {
		w = 32.0; h = 45.0;
	}
	else if ( po.pageSize == "B2" ) {
		w = 515.0; h = 728.0;
	}
	else if ( po.pageSize == "B3" ) {
		w = 364.0; h = 515.0;
	}
	else if ( po.pageSize == "B4" ) {
		w = 257.0; h = 364.0;
	}
	else if ( po.pageSize == "B5" ) {
		w = 182.0; h = 257.0;
	}
	else if ( po.pageSize == "B6" ) {
		w = 128.0; h = 182.0;
	}
	else if ( po.pageSize == "B7" ) {
		w = 91.0; h = 128.0;
	}
	else if ( po.pageSize == "B8" ) {
		w = 64.0; h = 91.0;
	}
	else if ( po.pageSize == "B9" ) {
		w = 45.0; h = 764.0;
	}
	else if ( po.pageSize == "C5E" ) {
		w = 163.0; h = 229.0;
	}
	else if ( po.pageSize == "COMM10E" ) {
		w = 105.0; h = 241.0;
	}
	else if ( po.pageSize == "DLE" ) {
		w = 110.0; h = 220.0;
	}
	else if ( po.pageSize == "EXECUTIVE" ) {
		w = 191.0; h = 254.0;
	}
	else if ( po.pageSize == "FOLIO" ) {
		w = 210.0; h = 330.0;
	}
	else if ( po.pageSize == "LEDGER" ) {
		w = 432.0; h = 279.0;
	}
	else if ( po.pageSize == "LEGAL" ) {
		w = 216.0; h = 356.0;
	}
	else if ( po.pageSize == "LETTER" ) {
		w = 216.0; h = 279.0;
	}
	else if ( po.pageSize == "TABLOID" ) {
		w = 279.0; h = 432.0;
	}

	if ( po.orient == ReportPageOptions::Landscape ) {
		//change width/heigt
		double _w = w;
		w = h;
		h = _w;
	}
	
	if ( sect ) {// set size for only a section
		sect->setWidth( w - po.leftMargin - po.rightMargin );
	} else { // set size for whole document
		setPageWidth( w );
	}
}











///////////////////////////////////
// Ruler
///////////////////////////////////

NCReportDesignerRuler::NCReportDesignerRuler( Qt::Orientation ori, QWidget * parent ) 
	: QWidget( parent )
{
	//zoomlevel = 1.0;
	orient = ori;
	m = 0;
	scStart = 0;
	const int rulerH = RULERWEIGHT;
	//setPalette( QPalette( Qt::white ) );
	//setBackgroundRole( QPalette::Base );
	//setFrameStyle( StyledPanel | Raised );
	//setFrameStyle( QFrame::Panel | QFrame::Raised);

	if ( orient == Qt::Horizontal ) {
		setMinimumHeight(rulerH);
		setMaximumHeight(rulerH);
	} else {
		setMinimumWidth(rulerH);
		setMaximumWidth(rulerH);
	}		
	resize(rulerH,rulerH);
}

NCReportDesignerRuler::~ NCReportDesignerRuler( )
{
}

void NCReportDesignerRuler::paintEvent( QPaintEvent * )
{
	if ( !m )
		return;
	
	QPainter p( this );
	double incr = 5.00000;
	const double lheight_long = 6.0;
	const double lheight_short = 3.0;
	double h =0.0;
	int counter=0;
	
	incr = m->measureUnit();
			
/*	if ( msr == Metric )
		incr = 72.0/25.4*TRIMFACTOR*zoomlevel;
	else
		incr = 7.2*TRIMFACTOR*zoomlevel;*/
	
	p.setPen(Qt::black);
	QFont f;
#ifdef Q_WS_WIN
	//f.setFamily("MS Sans Serif");
	f.setPixelSize( 8 );
#else
	f.setPixelSize( 8 );
#endif
	QString lbl;
	QFontMetrics fm( f );
	p.setFont( f );
	
	int to = ( orient == Qt::Horizontal ? width() : height() );
	bool stick = true;
	for ( double r=0.0 ; r< to; r+=incr ) {
		if ( counter%5 == 0 ) {
			h = lheight_long;
			stick = true;
		} else {
			h = lheight_short;
			stick = false;
		}
		
		if ( counter%10 == 0 ) {
			h = 10.0;
			lbl.setNum( counter/10 );
			if ( orient == Qt::Horizontal )
				p.drawText( qRound(scStart + r-fm.width(lbl)/2), 21, lbl );
			else
				p.drawText( 11, qRound(scStart + 10+r-fm.height()/2), lbl );
		}

		if ( orient == Qt::Horizontal ) {
			//QLineF line( r, 0.0, r, h );
			//p.drawLine( line ); 
			if ( stick ) p.drawLine( scStart + qRound(r), 0, scStart + qRound(r), (int)h );
		} else {
			//QLineF line( 0.0, r, h, r );
			//p.drawLine( line ); 
			if ( stick ) p.drawLine( 0, scStart + qRound(r), (int)h, scStart + qRound(r) );
		}
		counter++;
	}
	
	if ( orient == Qt::Horizontal )
		p.drawLine( 0,0,width(),0 );
	else
		p.drawLine( 0, 0, 0, height() );
	//p.drawRect( 0,0,width(),height() );
	
}

void NCReportDesignerRuler::setScaleStartPoint( int p )
{
	scStart = p;
}



///////////////////////////////////
// Resizer Bar
///////////////////////////////////
NCReportDesignerResizeBar::NCReportDesignerResizeBar( QWidget * parent ) 
	: QWidget( parent )
{
	//setFrameStyle( WinPanel | Raised);
	setMinimumHeight(7);
	setMaximumHeight(7);
	setCursor( QCursor( Qt::SizeVerCursor) );
	resize(7,7);
	//setBackgroundRole(QPalette::Button);
}

NCReportDesignerResizeBar::~ NCReportDesignerResizeBar( )
{
}

void NCReportDesignerResizeBar::mouseMoveEvent(QMouseEvent * e)
{
	e->accept();
    //qDebug("%d", e->y());
	emit barDragged(e->y());
}

void NCReportDesignerResizeBar::paintEvent( QPaintEvent * )
{
	QPainter p( this );
	style().drawPrimitive(QStyle::PE_Splitter, &p, rect(), colorGroup() );
}


///////////////////////////////////
// Designer section
///////////////////////////////////
NCReportDesignerSection::NCReportDesignerSection( NCReportDesignerWindow * mwin, QWidget * parent, const QString& cap, const char* name )
	: QWidget( parent, name )
{
	mainwindow = mwin;
	caption = cap;
	init();
}

NCReportDesignerSection::NCReportDesignerSection( SectionType t, NCReportDesignerWindow * mwin, QWidget * parent, const QString& cap, const char * name )
	: QWidget( parent, name )
{
	type = t;
	mainwindow = mwin;
	caption = cap;
	init();
}

NCReportDesignerSection::~ NCReportDesignerSection( )
{
}

void NCReportDesignerSection::init( )
{
	QVBoxLayout *layout = new QVBoxLayout( this );
	layout->setMargin(0);
	layout->setSpacing(0);
	footerSection = 0;
	//layout->setSizeConstraint( QLayout::SetNoConstraint );

/*	title = new QLabel( tr("Title"), this );
	title->setFrameStyle( QFrame::WinPanel | QFrame::Raised);*/
	
	title = new NCReportDesignerSectionTitle( this, "title" );
	//title->setText( tr("Section:")+" "+caption );
	title->setText( caption );
	layout->addWidget(title);
	//title->setMaximumHeight( 18 );
	//title->setBackgroundRole(QPalette::Button);

	QHBoxLayout *layMS = new QHBoxLayout( layout );
	layMS->setMargin(0);
	layMS->setSpacing(0);

	ruler = new NCReportDesignerRuler( Qt::Vertical, this );
	designarea = new NCReportDesignerDesignArea( mainwindow, this, "designarea", 0 );
	layMS->addWidget( ruler );
	layMS->addWidget( designarea );
	//designarea->setMinimumSize( QSize(640, 5) );
	
	// resizer bar	
	rbar = new NCReportDesignerResizeBar( this );
	connect( rbar, SIGNAL(barDragged(int)), this, SLOT(resizeBarDragged(int) ) );
	layout->addWidget(rbar);
	
	//setLayout(layout);
	
	//////////////////////
	//setMaximumWidth( qRound(72.0/25.4*210*TRIMFACTOR) );	//test
	//resize( qRound(72.0/25.4*210*TRIMFACTOR), 10 );	//test
}

void NCReportDesignerSection::setTitle( const QString & s, const QPixmap& pm )
{
	title->setText( s );
	title->setPixmap( pm );
}

void NCReportDesignerSection::setTitle( const QString & s )
{
	title->setText( s );
}

void NCReportDesignerSection::resizeBarDragged( int d )
{
	int h = designarea->height() + d;
	if( h < 1) h = 1;
/*	if(grid->isSnap()) {
		int incr = (int)(grid->yInterval() * dpiY);
		int nh = (h / incr) * incr;
		if(nh == 0) nh = incr;
		h = nh;
	}*/
	designarea->setMinimumHeight(h);
	//designarea->resize(designarea->width(), h);
	//if(canvasview->document()) canvasview->document()->setModified(TRUE);
}

	
NCReportDesignerDesignArea * NCReportDesignerSection::designArea( )
{
	return designarea;
}


void NCReportDesignerSection::setMeasurement( Measurement* msr )
{
	m = msr;
	ruler->setMeasurement( m );
	designarea->setMeasurement( m );
}

void NCReportDesignerSection::setGroupSettings( const QString & expr, const QString & rvars )
{
	groupExpr = expr;
	resetVars = rvars;
}

void NCReportDesignerSection::setType( SectionType t )
{
	type = t;
}
void NCReportDesignerSection::setWidth( double dw )
{
	int w = m->measureToPixel( dw );
	if ( w != designarea->width() ) 
		designarea->setFixedWidth( w );
}
void NCReportDesignerSection::setHeight( double dh )
{
	designarea->setMinimumHeight( m->measureToPixel( dh ) );
}

void NCReportDesignerSection::setFooterSection( NCReportDesignerSection *s )
{
	footerSection = s;
}
NCReportDesignerSection * NCReportDesignerSection::getFooterSection( )
{
	return footerSection;
}

NCReportDesignerSectionTitle * NCReportDesignerSection::Title()
{
	return title;
}

//--------------------------------------------
// Title
//--------------------------------------------
NCReportDesignerSectionTitle::NCReportDesignerSectionTitle( QWidget * parent, const char * name )
	: QWidget( parent, name )
{
	topMargin = 2;
	//setFrameStyle( QFrame::WinPanel | QFrame::Raised);
	setFixedHeight( 18 );
	pm = QPixmap("images/bullet_arrow_down.png");
}

NCReportDesignerSectionTitle::~ NCReportDesignerSectionTitle( )
{
}

void NCReportDesignerSectionTitle::paintEvent( QPaintEvent * )
{
	QPainter p( this );
	
	style().drawControl(QStyle::CE_PushButton, &p, this, rect(), colorGroup() );
		
	int tpos = 4;
	if ( !pm.isNull() ) {
		//p.drawPixmap( 4, topMargin, pm );
		p.drawPixmap( 4, 0, pm );
		tpos += pm.width()+4;
	}
	//if ( !text.isEmpty() )
	//p.drawText( tpos, height()-topMargin, text );
	//QRect r = p.boundingRect( tpos, topMargin, width()-tpos, height(), Qt::AlignLeft, text ); 
	
	p.drawText( tpos, topMargin, width()-2, height()-2, Qt::AlignLeft | Qt::AlignTop, text );	
	//p.drawText( tpos, height()-topMargin, text );
	//p.drawText( tpos, topMargin, text );
}