/****************************************************************************
**
** Copyright (C) 2007 Aleksey Luzin. All rights reserved.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#include <QtGui>
#include <QDialog>
#include <QDomDocument>
#include "newlabel.h"
#include "qmainwindow.h"

NewLabel::NewLabel(){

    setupUi(this);
	papers = new Papers();
	templates = new Templates();
	int i;
	for(i=0;i<papers->list.count();i++) {
		QDomElement child = papers->list.at(i).toElement();
		QString id = child.attribute("id");
		paperCombo->addItem(child.attribute("_name"), QVariant(id));
	}

	scene = new QGraphicsScene(view);
	view->setScene(scene);
	view->setBackgroundRole(QPalette::Window);
	view->setMinimumWidth(190);
	view->setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);

	pr = scene->addRect(QRect(0+13,0,140,200));
	pr->setBrush(QBrush( Qt::white ));

//	QDialogButtonBox *buttons = new QDialogButtonBox();
//	buttons->addButton(new QPushButton(QIcon(":/images/button_ok.png"), "Ok"),QDialogButtonBox::AcceptRole);
//	buttons->addButton(new QPushButton(QIcon(":/images/button_cancel.png"), "Cancel"),QDialogButtonBox::RejectRole);
	connect(buttons, SIGNAL(rejected()), this, SLOT(reject()));
	connect(buttons, SIGNAL(accepted()), this, SLOT(accept()));
	connect(paperCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(cchanged(int)));
	connect(templateCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(tchanged(int)));
	cchanged(0);	
	setWindowTitle(tr("Create new label"));
}
void NewLabel::cchanged(int index) {
	qDebug("cchanged");
	QString size = paperCombo->itemData(index).toString();
	QDomElement l = templates->doc.firstChildElement(size);
	l1 = l.elementsByTagName("Template");
	int i;
//	current_paper = NULL;
	for(i=0;i<papers->list.count();i++) {
		QDomElement c = papers->list.at(i).toElement();
		if (size.compare(c.attribute("id"))==0) {
			current_paper = c;
			break;
		}
	}

	double width = unit_to_point(current_paper.attribute("width"));
	double height = unit_to_point(current_paper.attribute("height"));
	double ar = width/height;
	pr->setRect(QRect(0,0,int(ar*200),200));
	templateCombo->clear();
	for(i=0;i<l1.count();i++) {
		QDomElement child = l1.at(i).toElement();
		QString id = child.attribute("name");
		templateCombo->addItem(child.attribute("name"), QVariant(id));
	}
	current_template = l1.at(0).toElement();
	draw_template();
	return;
}
void NewLabel::tchanged(int index) {
	QString name = templateCombo->itemData(index).toString();
//	QDomElement l = templates->doc.firstChildElement(size);
	int i;
	for(i=0;i<l1.count();i++) {
		QDomElement child = l1.at(i).toElement();
		QString id = child.attribute("name");
		if(id.compare(name) == 0) {
			current_template = child;
			draw_template();
			break;
		}
	}
	return;
	
}
void NewLabel::draw_template() {
	double width = unit_to_point(current_paper.attribute("width"));
	double height = unit_to_point(current_paper.attribute("height"));
	double width_ = (width/height)*200;
	double sc = width_/width;
	QString desc = current_template.attribute("_description");
	if (desc.isEmpty()) {desc = current_template.attribute("description"); }
	description->setText(desc);
	desc = current_paper.attribute("_name");
	page_size->setText(desc);
	QDomNodeList items = current_template.childNodes();
	int i;
	QList<QGraphicsItem *> list = scene->items();
	QList<QGraphicsItem *>::Iterator it = list.begin();
	for (; it != list.end(); ++it) {
		if ( *it )
			delete *it;
	}
	double ar = width/height;
	pr = scene->addRect(QRect(0+15,0,int(ar*200),200),QPen(),QBrush( Qt::white ));
	int count = 0;
	for(i=0;i<items.count();i++) {
		QDomElement c = items.at(i).toElement();
		if(c.tagName().compare("Label-rectangle", Qt::CaseInsensitive)==0) {
			double rect_width = unit_to_point(c.attribute("width"));
			double rect_height = unit_to_point(c.attribute("height"));
			double mm_width = point_to_unit(rect_width, "mm", 1);
			double mm_height = point_to_unit(rect_height, "mm", 1);
			label_size->setText(QString().number(mm_width, 'f', 2) + " x " + QString().number(mm_height, 'f', 2) + " " + tr("mm"));
			QDomNodeList l = c.elementsByTagName("Layout");
			if (l.isEmpty ()) {
			
			};
			int k;
			for(k=0;k<l.count();k++) {
				QDomElement layout = l.at(k).toElement();
				double x0 = unit_to_point(layout.attribute("x0"))*sc+15;
				double y0 = unit_to_point(layout.attribute("y0"))*sc;
				double dx = unit_to_point(layout.attribute("dx"))*sc;
				double dy = unit_to_point(layout.attribute("dy"))*sc;
		
				int xi,yi;
				int nx = layout.attribute("nx").toInt();
				int ny = layout.attribute("ny").toInt();
				for(yi = 0;yi<ny;yi++) {		
					for(xi = 0;xi<nx;xi++) {
						QGraphicsRectItem *r = scene->addRect(QRect(int(x0+xi*dx), int(y0+dy*yi),int(rect_width*sc), int(rect_height*sc)));
						r->setZValue(10);
						count++;
					}	
				}
			}
		} else if ((c.tagName().compare("Label-cd", Qt::CaseInsensitive)==0)or(c.tagName().compare("Label-round", Qt::CaseInsensitive)==0)) {
			double radius = unit_to_point(c.attribute("radius"));
			double mm_radius = point_to_unit(radius, "mm", 1);
			label_size->setText(QString().number(mm_radius*2,'f', 2) + " " + tr("mm") + " " + tr("diameter"));
			QDomNodeList l = c.elementsByTagName("Layout");
			if (l.isEmpty ()) {
		
			};
			int k;
			for(k=0;k<l.count();k++) {
				QDomElement layout = l.at(k).toElement();
				double x0 = unit_to_point(layout.attribute("x0"))*sc+15;
				double y0 = unit_to_point(layout.attribute("y0"))*sc;
				double dx = unit_to_point(layout.attribute("dx"))*sc;
				double dy = unit_to_point(layout.attribute("dy"))*sc;
				int nx = layout.attribute("nx").toInt();
				int ny = layout.attribute("ny").toInt();
				int xi,yi;
				for(yi = 0;yi<ny;yi++) {		
					for(xi = 0;xi<nx;xi++) {
						QGraphicsEllipseItem *r = scene->addEllipse(QRect(int(x0+xi*dx), int(y0+dy*yi),int(radius*2*sc), int(radius*2*sc)));
						r->setZValue(10);
						count++;
					}	
				}
			}
	}
	format->setText(QString().number(count)+" labels at page");
	}	
}