flagrowobj.cpp
author insilmaril
Mon, 30 Jul 2007 09:47:09 +0000
changeset 571 bc9083a4a7fb
parent 446 c56ce5d81cc3
child 644 954221e01e4e
permissions -rw-r--r--
1.9.4 New base class for XML based file parsing (vym & Freemind)
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#include "flagrowobj.h"
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#include <QToolBar>
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/////////////////////////////////////////////////////////////////
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// FlagRowObj
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/////////////////////////////////////////////////////////////////
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FlagRowObj::FlagRowObj()
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{
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//    cout << "Const FlagRowObj ()\n";
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    init ();
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}
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FlagRowObj::FlagRowObj(QGraphicsScene* s):MapObj(s) 
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{
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//    cout << "Const FlagRowObj (s)\n";
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    init ();
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}
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FlagRowObj::~FlagRowObj()
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{
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	//cout << "Destr FlagRowObj\n";
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	while (!flag.isEmpty())
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		delete (flag.takeFirst() );
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}
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void FlagRowObj::init ()
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{
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	parentRow=NULL;
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	showFlags=true;
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}
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void FlagRowObj::copy (FlagRowObj* other)
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{
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    MapObj::copy(other);
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	parentRow=other->parentRow;
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	flag.clear();
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	for (int i=0; i<flag.size(); ++i)
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		addFlag (flag.at(i));
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}
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void FlagRowObj::clone (FlagRowObj* pr)
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{
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	// Difference to copy:
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	// We don't copy the flags here, they
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	// are created on the fly by toggle and activate
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	// This saves lots of canvas objects.
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	MapObj::copy(pr);
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	flag.clear();
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	parentRow=pr;
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}
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void FlagRowObj::move(double x, double y)
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{
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    MapObj::move(x,y);
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	qreal dx=0;
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	for (int i=0; i<flag.size(); ++i)
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	{
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		flag.at(i)->move(x+dx,y);
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		dx+=QSizeF(flag.at(i)->getSize() ).width();
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	}
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}
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void FlagRowObj::moveBy(double x, double y)
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{
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    move (x+absPos.x(),y+absPos.y() );
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}
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void FlagRowObj::setVisibility (bool v)
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{
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	MapObj::setVisibility(v);
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	for (int i=0; i<flag.size(); ++i)
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		flag.at(i)->setVisibility (v);
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}
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FlagObj* FlagRowObj::addFlag (FlagObj *fo)
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{
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	FlagObj *newfo=new FlagObj (scene);
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	newfo->copy (fo);	// create a deep copy of fo
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	newfo->move (absPos.x() + bbox.width(), absPos.y() );
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	flag.append(newfo);
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	calcBBoxSize();
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	positionBBox();
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	return newfo;
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}
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void FlagRowObj::positionBBox()
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{
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    bbox.moveTopLeft(absPos );
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    clickBox.moveTopLeft(absPos );
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}
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void FlagRowObj::calcBBoxSize()
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{
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	QSizeF size(0,0);
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	QSizeF boxsize(0,0);
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	for (int i=0; i<flag.size(); ++i)
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	{
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		size=flag.at(i)->getSize();
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		// add widths
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		boxsize.setWidth(boxsize.width() + size.width() );
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		// maximize height
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		if (size.height() > boxsize.height() ) 
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			boxsize.setHeight(size.height() );
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	}
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	bbox.setSize (boxsize);
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	clickBox.setSize (boxsize);
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}
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QString FlagRowObj::getFlagName (const QPointF &p)
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{
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	if (!inBox (p)) return "";
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	for (int i=0; i<flag.size(); ++i)
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		if (flag.at(i)->inBox (p)) return flag.at(i)->getName();
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	return "";	
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}
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bool FlagRowObj::isActive (const QString &foname)
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{
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	FlagObj *fo=findFlag (foname);
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	if (parentRow && fo)
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		return fo->isActive();
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	else
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		if (fo) return true;
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	return false;
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}
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void FlagRowObj::toggle (const QString &foname, bool exclusive)
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{
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	FlagObj *fo=findFlag (foname);
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	if (fo)
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	{
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		// FlagObj is here, it will be active, too.
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		// Deactivate it by removing it from this row.
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		flag.remove (fo);
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		delete (fo);
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	} else
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	{
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		// FlagObj is not present in this row.
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		// Copy it from parentRow
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		fo=parentRow->findFlag (foname);
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		if (fo)
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		{
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			fo=addFlag (fo);
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			fo->activate();
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			if (exclusive) 
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			{
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				deactivateGroup (fo);
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				updateToolbar();
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			}
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		} else
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			qWarning ("FlagRowObj ("+name+")::toggle ("+foname+")  failed - could not find it in parentRow");
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	}	
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	calcBBoxSize();
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	positionBBox();	
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}
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void FlagRowObj::activate (const QString &foname)
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{
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	// Note: "activate" is also called during loading of a map
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	// Here we do not check for exclusive flags!
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	FlagObj *fo=findFlag (foname);
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	if (parentRow)
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	{
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		if (!fo)
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		{
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			// FlagObj is not present in this row.
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			// Copy it from parentRow and activate there
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			fo=parentRow->findFlag (foname);
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			if (fo)
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			{
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				fo=addFlag (fo);
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				fo->activate();
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				if (showFlags) 
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					fo->setVisibility (visible);
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				else
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					fo->setVisibility (false);
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				calcBBoxSize();
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			} else
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				qWarning ("FlagRowObj ("+name+")::activate ("+foname+")  failed - could not find it in parentRow");
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		}	
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	} else
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	{
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		// I am the parentRow, mark flag as used
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		if (fo)
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		{
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			fo->setUsed(true);
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			fo->activate();
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		}	
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		else
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			qWarning ("FlagRowObj::activate no FlagObj \""+foname+"\" found in parentRow");
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	}
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}
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void FlagRowObj::deactivate (const QString &foname)
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{
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	FlagObj *fo=findFlag (foname);
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	if (fo) 
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	{
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		flag.remove(fo);
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		delete (fo);
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	}	
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	calcBBoxSize();
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	positionBBox();
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}
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void FlagRowObj::deactivateAll ()
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{
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	if (!parentRow)
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	{
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		for (int i=0; i<flag.size(); ++i)
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			if (flag.at(i)->isActive()) flag.at(i)->deactivate();
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	} else
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	{
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		while (!flag.isEmpty())
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			delete flag.takeFirst();
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		calcBBoxSize();
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		positionBBox();
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	}
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}
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void FlagRowObj::deactivateGroup (FlagObj *keepfo)
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{
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	// deactivate all flags in keepof, but keep keepfo [sic!]
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	if (keepfo)
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	{
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		QString g=keepfo->getGroup();
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		if (g!="undefined")
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		{
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			for (int i=0; i<flag.size(); ++i)
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				if (g==flag.at(i)->getGroup() && keepfo!=flag.at(i)) 
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				{
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					FlagObj *fo=flag.at(i);
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					flag.remove (fo);
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					delete (fo);
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				}	
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		}		
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	}	
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}
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void FlagRowObj::setToolBar(QToolBar *tb)
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{
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	toolbar=tb;
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}
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void FlagRowObj::setEnabled (bool b)
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{
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	if (toolbar)
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	{
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		toolbar->setEnabled (b);
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	}
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}
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void FlagRowObj::setShowFlags (bool b)
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{
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	showFlags=b;
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}
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void FlagRowObj::resetUsedCounter()
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{
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	for (int i=0; i<flag.size(); ++i)
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		flag.at(i)->setUsed (false);
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}
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QString FlagRowObj::saveToDir (const QString &tmpdir,const QString &prefix, bool writeflags)
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{
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	// Build xml string
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	QString s;
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	if (parentRow)
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		for (int i=0; i<flag.size(); ++i)
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		{
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			// save flag to xml, if flag is set 
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			s+=valueElement("standardflag",flag.at(i)->getName() );
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			// and tell parentRow, that this flag is used
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			parentRow->activate(flag.at(i)->getName() );
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		}	
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	else
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		// Save icons to dir, if verbose is set (xml export)
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		// and I am a parentRow 
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		// and this flag is really used somewhere
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		if (writeflags)
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			for (int i=0; i<flag.size(); ++i)
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				if (flag.at(i)->isUsed()) flag.at(i)->saveToDir (tmpdir,prefix);
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	return s;		
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}
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void FlagRowObj::setName (const QString &n)
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{
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	name=n;
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}
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void  FlagRowObj::updateToolbar()
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{
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	if (parentRow)
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	{
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		// We are just a branch, not the toolbar default
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		// but state has to be copied from ourselves to parentrow!
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		parentRow->deactivateAll();
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		// In parentRow activate all existing (==active) flags
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		for (int i=0; i<flag.size(); ++i)
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			parentRow->activate(flag.at(i)->getName());
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		parentRow->updateToolbar();	
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	} else
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	{
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		// We are the toolbar default
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		if (toolbar)
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		{
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			// Update state of actions in toolbar
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			for (int i=0; i<flag.size(); ++i)
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				flag.at(i)->updateAction();
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		}	
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	}
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}
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FlagObj* FlagRowObj::findFlag (const QString &name)
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{
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	for (int i=0; i<flag.size(); ++i)
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		if (flag.at(i)->getName()==name) return flag.at(i);
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	return NULL;
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}
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