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path: root/kanagram/src/leitnersystemview.cpp
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//
// C++ Implementation: leitnersystemview
//
// Description: 
//
//
// Author: Martin Pfeiffer <martin-pfeiffer-bensheim@web.de>, (C) 2005
//
// Copyright: See COPYING file that comes with this distribution
//
//
#include "leitnersystemview.h"

#include "leitnersystem.h"
//#include "kwordquiz.h"

#include <stdlib.h>
#include <kiconloader.h>
#include <tqpainter.h>

#include <kdebug.h>

LeitnerSystemView::LeitnerSystemView(TQWidget * parent, const char* name, WFlags f)
 : TQScrollView(parent, name, f)
{
	m_highlightedBox = -1;
}


LeitnerSystemView::~LeitnerSystemView()
{
}

void LeitnerSystemView::drawSystem(TQPainter* p)
{
	kdDebug() << "drawSystem( )" << endl;
	

	//einarbeiten von m_selectedBox... aus prefLeitner
	
	m_imageY = height() / 2 - 32;

	//draw the boxes' icons
	for(int i = 0; i < m_leitnerSystem->getNumberOfBoxes(); i++)
	{
		if(i == m_highlightedBox)
		{
			//p->drawPixmap(12 + i * 64 + i*10, m_imageY, TDEGlobal::iconLoader()->loadIcon("leitnerbox", TDEIcon::Panel));
			p->drawRect(12 + i * 64 + i*10, m_imageY,64,64);
			p->fillRect(12 + i * 64 + i*10, m_imageY,64,64, TQBrush(red));
		}
		else
		{	//for each box 74 = 64(pixmap) + 10(distance between two boxes)
			//p->drawPixmap(12 + i * 74, m_imageY, TDEGlobal::iconLoader()->loadIcon("leitnerbox", TDEIcon::Panel)); 
			p->drawRect(12 + i * 64 + i*10, m_imageY,64,64);
		}
	}
}

void LeitnerSystemView::drawConnections(TQPainter* p)
{
	//dist = number of boxes that are in between the two boxes
	//width = width of the rect for the arc
	int dist, width = 0;
	int numberOfBoxes = m_leitnerSystem->getNumberOfBoxes();
	
	p->setPen( TQPen(green, 2) );

	//paint the connections for the correct word boxes, above the boxes 
	for(int i = 0; i < numberOfBoxes; i++)
	{
		dist = m_leitnerSystem->getCorrectBoxNumber( i ) - i;
				
		if(dist <= 0)
		{
		        // (dist*(-1) -1)*64 == for each box in between take 64
		        // dist*(-1)*10 == the gaps in between
		        // 2*22; 2*21 == the distances of the endings on the picture 
			width = (dist*(-1) -1)*64 + dist*(-1)*10 + 2*22 + 2*21; 
			 
			p->drawArc( 12 + (dist+i)*74 + 21, m_imageY-(width/3), width, /*(height()/2 - 12-32) *2*/ width/3*2, 0, 180*16);
		}
		else
		{
			width = (dist-1)*64 + dist*10 + 2*21;
			p->drawArc(12 + i*74 + 21+22 ,m_imageY-(width/3) , width, /*(height()/2 - 12-32) *2*/width/3*2, 0, 180*16);
		}
		
	}
	
	//paint the connections for the wrong word boxes, below the boxes
	p->setPen(TQPen(red, 2));

	for(int i = 0; i < numberOfBoxes; i++)
	{
		dist = m_leitnerSystem->getWrongBoxNumber( i ) - i;
				
		if(dist <= 0)
		{
			width = (dist*(-1) -1)*64 + dist*(-1)*10 + 2*22 + 2*21; 
			p->drawArc(12+ (dist+i)*74 + 21 ,m_imageY+64-width/3 , width, width/3*2 , 180*16, 180*16);
		}
		else
		{
			width = (dist-1)*64 + dist*10 + 2*21;
			p->drawArc(12 + i*74 + 21+22 ,m_imageY+64-width/3 , width, width/3*2, 180*16, 180*16);
		}
	}

}

void LeitnerSystemView::setSystem(LeitnerSystem* leitnersystem)
{
	m_leitnerSystem = leitnersystem;
	
	//calculate the new sizes
	calculateSize();
	updateContents();
	//repaint
	//update();
	//TQPainter* p = new TQPainter(this);
	//drawContents( p, 0, 0, 0, 0 );
}

void LeitnerSystemView::highlightBox(int box)
{
	m_highlightedBox = box;
	updateContents();
}

void LeitnerSystemView::drawContents(TQPainter* p, int clipx, int clipy, int clipw, int cliph)
{
	kdDebug() << "drawContents" << endl;
	p->eraseRect(0,0,width(),height()); 
	
	drawSystem( p );
	
	drawConnections( p );
}

void LeitnerSystemView::calculateSize()
{
	//margin = 12
	//distance between boxes = 10
	//boxes = 64*64
	
	int numberOfBoxes = m_leitnerSystem->getNumberOfBoxes();
	TQString x;
	int height, dist, tmpMaxC, tmpMaxW;
	tmpMaxC = 0;
	tmpMaxW = 0;	
	height = 0;

	for(int i = 0; i < numberOfBoxes; i++)
	{
		dist = m_leitnerSystem->getCorrectBoxNumber( i ) - i;
				
		if( abs(dist) >= abs(tmpMaxC) )
			tmpMaxC = dist;
	
		dist = m_leitnerSystem->getWrongBoxNumber( i ) - i;
		
		if( abs(dist) >= abs(tmpMaxW) )
			tmpMaxW = dist;
	}
	
	if( tmpMaxC <= 0 )
		height += (( abs(tmpMaxC) -1)*64 + abs(tmpMaxC)*10 + 2*22 + 2*21)/3;
	else
		height += (( tmpMaxC-1)*64 + tmpMaxC*10 + 2*21)/3;
	
	if( tmpMaxW <= 0 )
		height += (( abs(tmpMaxW) -1)*64 + abs(tmpMaxW)*10 + 2*22 + 2*21)/3;
	else
		height += (( tmpMaxW-1)*64 + tmpMaxW*10 + 2*21)/3;

	height += 24+64;
	
	resizeContents( numberOfBoxes * 64 + (numberOfBoxes - 1)*10 + 2 * 12, height );
	setMinimumSize( numberOfBoxes * 64 + (numberOfBoxes - 1)*10 + 2 * 12, height );
}

void LeitnerSystemView::mousePressEvent(TQMouseEvent* e)
{
	kdDebug() << "mouseClick" << endl;
	//if the user has clicked into a box
	if(e->y() > m_imageY && e->y() < m_imageY + 64 && e->x() < width()-13)
	{
		int d = (e->x()-12)/74;
		
		if((e->x()-12-74*d) <= 64)
		{
			//signal for prefLeitner to set the comboboxes to the clicked box
			emit boxClicked( d );
			m_highlightedBox = d;
			
			updateContents();
		}
		else
		{
			emit boxClicked( -1 );
			m_highlightedBox = -1;
			
			updateContents();
		}
	}
	else
	{
		emit boxClicked( -1 );
		m_highlightedBox = -1;
			
		updateContents();
	}
}