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103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
/***************************************************************************
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qgstextannotationitem.cpp
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------------------------
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begin : February 9, 2010
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copyright : (C) 2010 by Marco Hugentobler
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email : marco dot hugentobler at hugis dot net
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "qgstextannotationitem.h"
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#include <QDomDocument>
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#include <QPainter>
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QgsTextAnnotationItem::QgsTextAnnotationItem( QgsMapCanvas* canvas ): QgsAnnotationItem( canvas ), mDocument( new QTextDocument( QObject::tr( "QGIS rocks!" ) ) )
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{
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mDocument->setUseDesignMetrics( true );
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}
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QgsTextAnnotationItem::~QgsTextAnnotationItem()
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{
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delete mDocument;
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}
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QTextDocument* QgsTextAnnotationItem::document() const
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{
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if ( !mDocument )
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{
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return 0;
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}
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return mDocument->clone();
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}
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void QgsTextAnnotationItem::setDocument( const QTextDocument* doc )
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{
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delete mDocument;
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mDocument = doc->clone();
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}
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void QgsTextAnnotationItem::paint( QPainter * painter )
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{
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if ( !painter || !mDocument )
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{
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return;
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}
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drawFrame( painter );
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if ( mMapPositionFixed )
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{
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drawMarkerSymbol( painter );
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}
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double frameWidth = mFrameBorderWidth;
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mDocument->setTextWidth( mFrameSize.width() );
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painter->save();
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painter->translate( mOffsetFromReferencePoint.x() + frameWidth / 2.0,
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mOffsetFromReferencePoint.y() + frameWidth / 2.0 );
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//draw text document
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mDocument->drawContents( painter, QRectF( 0, 0, mFrameSize.width() - frameWidth / 2.0, mFrameSize.height() - frameWidth / 2.0 ) );
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painter->restore();
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if ( isSelected() )
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{
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drawSelectionBoxes( painter );
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}
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}
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void QgsTextAnnotationItem::writeXML( QDomDocument& doc ) const
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{
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QDomElement documentElem = doc.documentElement();
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if ( documentElem.isNull() )
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{
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return;
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}
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QDomElement annotationElem = doc.createElement( "TextAnnotationItem" );
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if ( mDocument )
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{
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annotationElem.setAttribute( "document", mDocument->toHtml() );
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}
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_writeXML( doc, annotationElem );
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documentElem.appendChild( annotationElem );
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}
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void QgsTextAnnotationItem::readXML( const QDomDocument& doc, const QDomElement& itemElem )
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{
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delete mDocument;
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mDocument = new QTextDocument;
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mDocument->setHtml( itemElem.attribute( "document", QObject::tr( "<html>QGIS rocks!</html>" ) ) );
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QDomElement annotationElem = itemElem.firstChildElement( "AnnotationItem" );
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if ( !annotationElem.isNull() )
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{
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_readXML( doc, annotationElem );
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}
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}
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