/***************************************************************************
 *   Copyright (C) 2006, 2007 by Niklas Knutsson                           *
 *   nq@altern.org                                                         *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include "overtimechart.h"

#include "budget.h"
#include "account.h"
#include "transaction.h"
#include "recurrence.h"
#include "eqonomizemonthselector.h"

#include <qobject.h>
#include <qlayout.h>
#include <qlayout.h>
#include <kglobal.h>
#include <klocale.h>
#include <qvaluevector.h>
#include <kcalendarsystem.h>
#include <qstring.h>
#include <kpushbutton.h>
#include <kstdguiitem.h>
#include <kcombobox.h>
#include <qlabel.h>
#include <kio/netaccess.h>
#include <ktempfile.h>
#include <ksavefile.h>
#include <kfiledialog.h>
#include <kurl.h>
#include <kmessagebox.h>
#include <qcheckbox.h>
#include <kapplication.h>
#include <kconfig.h>
#include <qgroupbox.h>
#include <qbuttongroup.h>
#include <qradiobutton.h>
#include <qcanvas.h>
#include <qwmatrix.h>
#include <qpainter.h>
#include <kprinter.h>
#include <qpixmap.h>
#include <qimage.h>
#include <kbuttonbox.h>
#include <kdialogbase.h>

#include <math.h>

struct chart_month_info {
	double value;
	double count;
	QDate date;
};
extern int months_between_dates(const QDate &date1, const QDate &date2);
extern QDate addMonths(const QDate &date, int nmonths);

OverTimeChart::OverTimeChart(Budget *budg, QWidget *parent, bool extra_parameters) : QWidget(parent), budget(budg), b_extra(extra_parameters) {

	setWFlags(getWFlags() | Qt::WDestructiveClose);

	const KCalendarSystem *calSys = KGlobal::locale()->calendar();
	
	QVBoxLayout *layout = new QVBoxLayout(this, 6, 6);
	
	KButtonBox *buttons = new KButtonBox(this);
	buttons->addStretch(1);
	saveButton = buttons->addButton(KStdGuiItem::saveAs());
	printButton = buttons->addButton(KStdGuiItem::print());
	buttons->layout();
	layout->addWidget(buttons);
	
	canvas = NULL;
	view = new QCanvasView(this);
	layout->addWidget(view);

	KConfig *config = kapp->config();
	config->setGroup("Over Time Chart");

	QGroupBox *settingsGroup = new QGroupBox(1, Qt::Horizontal, i18n("Options"), this);
	QWidget *settingsWidget = new QWidget(settingsGroup);
	QGridLayout *settingsLayout = new QGridLayout(settingsWidget, 3, 2, 0, 6);

	QLabel *sourceLabel = new QLabel(i18n("Source:"), settingsWidget);
	settingsLayout->addWidget(sourceLabel, 2, 0);
	QHBoxLayout *choicesLayout = new QHBoxLayout();
	settingsLayout->addLayout(choicesLayout, 2, 1);
	QGridLayout *choicesLayout_extra = NULL;
	if(b_extra) {
		sourceLabel->setAlignment(Qt::AlignAuto | Qt::AlignTop);
		choicesLayout_extra = new QGridLayout(choicesLayout, 2, 2);
	}
	sourceCombo = new KComboBox(settingsWidget);
	sourceCombo->setEditable(false);
	sourceCombo->insertItem(i18n("Incomes and Expenses"));
	sourceCombo->insertItem(i18n("Profits"));
	sourceCombo->insertItem(i18n("Expenses"));
	sourceCombo->insertItem(i18n("Incomes"));
	if(b_extra) choicesLayout_extra->addWidget(sourceCombo, 0, 0);
	else choicesLayout->addWidget(sourceCombo);
	categoryCombo = new KComboBox(settingsWidget);
	categoryCombo->setEditable(false);
	categoryCombo->insertItem(i18n("All Categories Combined"));
	categoryCombo->setEnabled(false);
	if(b_extra) choicesLayout_extra->addWidget(categoryCombo, 0, 1);
	else choicesLayout->addWidget(categoryCombo);
	descriptionCombo = new KComboBox(settingsWidget);
	descriptionCombo->setEditable(false);
	descriptionCombo->insertItem(i18n("All Descriptions Combined"));
	descriptionCombo->setEnabled(false);
	if(b_extra) choicesLayout_extra->addWidget(descriptionCombo, 1, 0);
	else choicesLayout->addWidget(descriptionCombo);
	payeeCombo = NULL;
	if(b_extra) {
		payeeCombo = new KComboBox(settingsWidget);
		payeeCombo->setEditable(false);
		payeeCombo->insertItem(i18n("All Payees/Payers Combined"));
		payeeCombo->setEnabled(false);
		choicesLayout_extra->addWidget(payeeCombo, 1, 1);
		choicesLayout->addStretch(1);
	}

	current_account = NULL;
	current_source = 0;

	settingsLayout->addWidget(new QLabel(i18n("Start date:"), settingsWidget), 0, 0);
	QHBoxLayout *monthLayout = new QHBoxLayout();
	settingsLayout->addLayout(monthLayout, 0, 1);
	startDateEdit = new EqonomizeMonthSelector(settingsWidget);
	Transaction *trans = budget->transactions.first();
	while(trans) {
		if(trans->fromAccount()->type() != ACCOUNT_TYPE_ASSETS || trans->toAccount()->type() != ACCOUNT_TYPE_ASSETS) {
			start_date = trans->date();
			if(calSys->day(start_date) > 1) {
				start_date = addMonths(start_date, 1);
				calSys->setYMD(start_date, calSys->year(start_date), calSys->month(start_date), 1);
			}
			break;
		}
		trans = budget->transactions.next();
	}
	if(start_date.isNull() || start_date > QDate::currentDate()) start_date = QDate::currentDate();
	if(calSys->month(start_date) == calSys->month(QDate::currentDate()) && calSys->year(start_date) == calSys->year(QDate::currentDate())) {
		start_date = addMonths(start_date, -1);
		calSys->setYMD(start_date, calSys->year(start_date), calSys->month(start_date), 1);
	}
	startDateEdit->setDate(start_date);
	monthLayout->addWidget(startDateEdit);
	monthLayout->addWidget(new QLabel(i18n("End date:"), settingsWidget));
	endDateEdit = new EqonomizeMonthSelector(settingsWidget);
	end_date = calSys->addDays(QDate::currentDate(), -1);
	if(calSys->day(end_date) < calSys->daysInMonth(end_date)) {
		end_date = addMonths(end_date, -1);
		calSys->setYMD(end_date, calSys->year(end_date), calSys->month(end_date), calSys->daysInMonth(end_date));
	}
	if(end_date <= start_date || (calSys->month(start_date) == calSys->month(end_date) && calSys->year(start_date) == calSys->year(end_date))) {
		end_date = QDate::currentDate();
		calSys->setYMD(end_date, calSys->year(end_date), calSys->month(end_date), calSys->daysInMonth(end_date));
	}	
	endDateEdit->setDate(end_date);
	monthLayout->addWidget(endDateEdit);
	monthLayout->addStretch(1);
	
	settingsLayout->addWidget(new QLabel(i18n("Value:"), settingsWidget), 1, 0);
	QHBoxLayout *enabledLayout = new QHBoxLayout();
	settingsLayout->addLayout(enabledLayout, 1, 1);
	valueGroup = new QButtonGroup();
	valueButton = new QRadioButton(i18n("Monthly total"), settingsWidget);
	valueButton->setChecked(config->readBoolEntry("valueSelected", true));
	valueGroup->insert(valueButton);
	enabledLayout->addWidget(valueButton);
	dailyButton = new QRadioButton(i18n("Daily average"), settingsWidget);
	dailyButton->setChecked(config->readBoolEntry("dailyAverageSelected", false));
	valueGroup->insert(dailyButton);
	enabledLayout->addWidget(dailyButton);
	countButton = new QRadioButton(i18n("Quantity"), settingsWidget);
	countButton->setChecked(config->readBoolEntry("transactionCountSelected", false));
	valueGroup->insert(countButton);
	enabledLayout->addWidget(countButton);
	perButton = new QRadioButton(i18n("Average value"), settingsWidget);
	perButton->setChecked(config->readBoolEntry("valuePerTransactionSelected", false));
	valueGroup->insert(perButton);
	enabledLayout->addWidget(perButton);
	enabledLayout->addStretch(1);

	layout->addWidget(settingsGroup);

	connect(startDateEdit, SIGNAL(monthChanged(const QDate&)), this, SLOT(startMonthChanged(const QDate&)));
	connect(startDateEdit, SIGNAL(yearChanged(const QDate&)), this, SLOT(startYearChanged(const QDate&)));
	connect(endDateEdit, SIGNAL(monthChanged(const QDate&)), this, SLOT(endMonthChanged(const QDate&)));
	connect(endDateEdit, SIGNAL(yearChanged(const QDate&)), this, SLOT(endYearChanged(const QDate&)));
	connect(valueButton, SIGNAL(toggled(bool)), this, SLOT(valueTypeToggled(bool)));
	connect(dailyButton, SIGNAL(toggled(bool)), this, SLOT(valueTypeToggled(bool)));
	connect(countButton, SIGNAL(toggled(bool)), this, SLOT(valueTypeToggled(bool)));
	connect(perButton, SIGNAL(toggled(bool)), this, SLOT(valueTypeToggled(bool)));
	connect(sourceCombo, SIGNAL(activated(int)), this, SLOT(sourceChanged(int)));
	connect(categoryCombo, SIGNAL(activated(int)), this, SLOT(categoryChanged(int)));
	connect(descriptionCombo, SIGNAL(activated(int)), this, SLOT(descriptionChanged(int)));
	if(b_extra) connect(payeeCombo, SIGNAL(activated(int)), this, SLOT(payeeChanged(int)));
	connect(saveButton, SIGNAL(clicked()), this, SLOT(save()));
	connect(printButton, SIGNAL(clicked()), this, SLOT(print()));
	
}

OverTimeChart::~OverTimeChart() {
	delete valueGroup;
}

void OverTimeChart::valueTypeToggled(bool b) {
	if(b) updateDisplay();
}

void OverTimeChart::payeeChanged(int index) {
	current_payee = "";
	bool b_income = (current_account && current_account->type() == ACCOUNT_TYPE_INCOMES);
	int d_index = descriptionCombo->currentItem();
	if(index == 0) {
		if(d_index == 1) current_source = b_income ? 7 : 8;
		else if(d_index == 0) current_source = b_income ? 5 : 6;
		else current_source = b_income ? 9 : 10;
	} else if(index == 1) {
		if(d_index == 1) {
			descriptionCombo->blockSignals(true);
			descriptionCombo->setCurrentItem(0);
			descriptionCombo->blockSignals(false);
			d_index = 0;
		}
		if(d_index == 0) current_source = b_income ? 11 : 12;
		else current_source = b_income ? 13 : 14;
	} else {
		if(!has_empty_payee || index < payeeCombo->count() - 1) current_payee = payeeCombo->text(index);
		if(d_index == 1) current_source = b_income ? 17 : 18;
		else if(d_index == 0) current_source = b_income ? 15 : 16;
		else current_source = b_income ? 19 : 20;
	}
	updateDisplay();
}
void OverTimeChart::descriptionChanged(int index) {
	current_description = "";
	bool b_income = (current_account && current_account->type() == ACCOUNT_TYPE_INCOMES);
	int p_index = 0;
	if(b_extra) p_index = payeeCombo->currentItem();
	if(index == 0) {
		if(p_index == 1) current_source = b_income ? 11 : 12;
		else if(p_index == 0) current_source = b_income ? 5 : 6;
		else current_source = b_income ? 15 : 16;
	} else if(index == 1) {
		if(p_index == 1) {
			payeeCombo->blockSignals(true);
			payeeCombo->setCurrentItem(0);
			payeeCombo->blockSignals(false);
			p_index = 0;
		}
		if(p_index == 0) current_source = b_income ? 7 : 8;
		else current_source = b_income ? 17 : 18;
	} else {
		if(!has_empty_description || index < descriptionCombo->count() - 1) current_description = descriptionCombo->text(index);
		if(p_index == 1) current_source = b_income ? 13 : 14;
		else if(p_index == 0) current_source = b_income ? 9 : 10;
		else current_source = b_income ? 19 : 20;
	}
	updateDisplay();
}
void OverTimeChart::categoryChanged(int index) {
	bool b_income = (sourceCombo->currentItem() == 3);
	descriptionCombo->blockSignals(true);
	int d_index = descriptionCombo->currentItem();
	descriptionCombo->clear();
	descriptionCombo->insertItem(i18n("All Descriptions Combined"));	
	int p_index = 0;
	current_description = "";
	current_payee = "";
	if(b_extra) {
		p_index = payeeCombo->currentItem();
		payeeCombo->blockSignals(true);
		payeeCombo->clear();
		if(b_income) payeeCombo->insertItem(i18n("All Payers Combined"));
		else payeeCombo->insertItem(i18n("All Payees Combined"));
	}
	current_account = NULL;	
	if(index == 0) {
		if(b_income) {
			current_source = 1;
		} else {
			current_source = 2;
		}
		descriptionCombo->setEnabled(false);
		if(b_extra) payeeCombo->setEnabled(false);
	} else if(index == 1) {
		if(b_income) {
			current_source = 3;
		} else {
			current_source = 4;
		}
		descriptionCombo->setEnabled(false);
		if(b_extra) payeeCombo->setEnabled(false);
	} else {
		descriptionCombo->insertItem(i18n("All Descriptions Split"));
		if(d_index == 1) descriptionCombo->setCurrentItem(1);
		if(b_extra) {
			if(b_income) payeeCombo->insertItem(i18n("All Payers Split"));
			else payeeCombo->insertItem(i18n("All Payees Split"));
			if(p_index == 1 && d_index != 1) payeeCombo->setCurrentItem(1);
		}
		if(!b_income) {
			int i = categoryCombo->currentItem() - 2;
			if(i < (int) budget->expensesAccounts.count()) {
				current_account = budget->expensesAccounts.at(i);
			}
			if(d_index == 1) current_source = 8;
			else if(p_index == 1) current_source = 12;
			else current_source = 6;
		} else {
			int i = categoryCombo->currentItem() - 2;
			if(i < (int) budget->incomesAccounts.count()) {
				current_account = budget->incomesAccounts.at(i);
			}
			if(d_index == 1) current_source = 7;
			else if(p_index == 1) current_source = 11;
			else current_source = 5;
		}
		has_empty_description = false;
		has_empty_payee = false;
		QMap<QString, bool> descriptions, payees;
		Transaction *trans = budget->transactions.first();
		while(trans) {
			if((trans->fromAccount() == current_account || trans->toAccount() == current_account)) {
				if(trans->description().isEmpty()) has_empty_description = true;
				else descriptions[trans->description()] = true;
				if(b_extra) {
					if(trans->type() == TRANSACTION_TYPE_EXPENSE) {
						if(((Expense*) trans)->payee().isEmpty()) has_empty_payee = true;
						else payees[((Expense*) trans)->payee()] = true;
					} else if(trans->type() == TRANSACTION_TYPE_INCOME) {
						if(((Income*) trans)->payer().isEmpty()) has_empty_payee = true;
						else payees[((Income*) trans)->payer()] = true;
					}
				}
			}
			trans = budget->transactions.next();
		}
		QMap<QString, bool>::iterator it_e = descriptions.end();
		for(QMap<QString, bool>::iterator it = descriptions.begin(); it != it_e; ++it) {
			descriptionCombo->insertItem(it.key());
		}
		if(has_empty_description) descriptionCombo->insertItem(i18n("No description"));
		descriptionCombo->setEnabled(true);
		if(b_extra) {
			QMap<QString, bool>::iterator it2_e = payees.end();
			for(QMap<QString, bool>::iterator it2 = payees.begin(); it2 != it2_e; ++it2) {
				payeeCombo->insertItem(it2.key());
			}
			if(has_empty_payee) {
				if(b_income) payeeCombo->insertItem(i18n("No payer"));
				else payeeCombo->insertItem(i18n("No payee"));
			}
			payeeCombo->setEnabled(true);
		}
	}
	descriptionCombo->blockSignals(false);
	if(b_extra) payeeCombo->blockSignals(false);
	updateDisplay();
}
void OverTimeChart::sourceChanged(int index) {
	categoryCombo->blockSignals(true);
	descriptionCombo->blockSignals(true);
	if(b_extra) payeeCombo->blockSignals(true);
	int c_index = 1;
	if(categoryCombo->count() > 1 && categoryCombo->currentItem() == 0) c_index = 0;
	categoryCombo->clear();
	descriptionCombo->clear();
	descriptionCombo->setEnabled(false);
	descriptionCombo->insertItem(i18n("All Descriptions Combined"));
	if(b_extra) {
		payeeCombo->clear();
		payeeCombo->setEnabled(false);
		if(index == 2) payeeCombo->insertItem(i18n("All Payers Combined"));
		else if(index == 1) payeeCombo->insertItem(i18n("All Payees Combined"));
		else payeeCombo->insertItem(i18n("All Payees/Payers Combined"));
	}
	current_description = "";
	current_payee = "";
	current_account = NULL;
	categoryCombo->insertItem(i18n("All Categories Combined"));
	if(index == 3) {
		categoryCombo->insertItem(i18n("All Categories Split"));
		categoryCombo->setCurrentItem(c_index);
		Account *account = budget->incomesAccounts.first();
		while(account) {
			categoryCombo->insertItem(account->name());
			account = budget->incomesAccounts.next();
		}
		categoryCombo->setEnabled(true);
		current_source = 3;
	} else if(index == 2) {
		categoryCombo->insertItem(i18n("All Categories Split"));
		categoryCombo->setCurrentItem(c_index);
		Account *account = budget->expensesAccounts.first();
		while(account) {
			categoryCombo->insertItem(account->name());
			account = budget->expensesAccounts.next();
		}
		categoryCombo->setEnabled(true);
		current_source = 4;
	} else if(index == 1) {
		categoryCombo->setEnabled(false);
		current_source = -1;
		if(countButton->isChecked() || perButton->isChecked()) {
			valueButton->blockSignals(true);
			countButton->blockSignals(true);
			perButton->blockSignals(true);
			valueButton->setChecked(true);
			countButton->setChecked(false);
			perButton->setChecked(false);
			valueButton->blockSignals(false);
			countButton->blockSignals(false);
			perButton->blockSignals(false);
		}
	} else {
		categoryCombo->setEnabled(false);
		current_source = 0;
	}
	countButton->setEnabled(index != 1);
	perButton->setEnabled(index != 1);
	categoryCombo->blockSignals(false);
	descriptionCombo->blockSignals(false);
	if(b_extra) payeeCombo->blockSignals(false);
	updateDisplay();
}

void OverTimeChart::startYearChanged(const QDate &date) {
	const KCalendarSystem *calSys = KGlobal::locale()->calendar();
	bool error = false;
	if(!date.isValid()) {
		KMessageBox::error(this, i18n("Invalid date."));
		error = true;
	}
	/*if(!error && date > QDate::currentDate()) {
		if(calSys->year(date) == calSys->year(QDate::currentDate())) {
			start_date = QDate::currentDate();
			calSys->setYMD(start_date, calSys->year(start_date), calSys->month(start_date), 1);
			startDateEdit->blockSignals(true);
			startDateEdit->setDate(start_date);
			startDateEdit->blockSignals(false);
			updateDisplay();
			return;
		} else {
			KMessageBox::error(this, i18n("Future dates are not allowed."));
			error = true;
		}
	}*/
	if(!error && date > end_date) {
		end_date = date;
		calSys->setYMD(end_date, calSys->year(end_date), calSys->month(end_date), calSys->daysInMonth(end_date));
		endDateEdit->blockSignals(true);
		endDateEdit->setDate(end_date);
		endDateEdit->blockSignals(false);
	}
	if(error) {
		startDateEdit->focusYear();
		startDateEdit->blockSignals(true);
		startDateEdit->setDate(start_date);
		startDateEdit->blockSignals(false);
		return;
	}
	start_date = date;
	updateDisplay();
}
void OverTimeChart::startMonthChanged(const QDate &date) {
	const KCalendarSystem *calSys = KGlobal::locale()->calendar();
	bool error = false;
	if(!date.isValid()) {
		KMessageBox::error(this, i18n("Invalid date."));
		error = true;
	}
	/*if(!error && date > QDate::currentDate()) {
		KMessageBox::error(this, i18n("Future dates are not allowed."));
		error = true;
	}*/
	if(!error && date > end_date) {
		end_date = date;
		calSys->setYMD(end_date, calSys->year(end_date), calSys->month(end_date), calSys->daysInMonth(end_date));
		endDateEdit->blockSignals(true);
		endDateEdit->setDate(end_date);
		endDateEdit->blockSignals(false);
	}
	if(error) {
		startDateEdit->focusMonth();
		startDateEdit->blockSignals(true);
		startDateEdit->setDate(start_date);
		startDateEdit->blockSignals(false);
		return;
	}
	start_date = date;
	updateDisplay();
}
void OverTimeChart::endYearChanged(const QDate &date) {
	const KCalendarSystem *calSys = KGlobal::locale()->calendar();
	bool error = false;
	if(!date.isValid()) {
		KMessageBox::error(this, i18n("Invalid date."));
		error = true;
	}
	/*if(!error && date > QDate::currentDate()) {
		if(calSys->year(date) == calSys->year(QDate::currentDate())) {
			end_date = QDate::currentDate();
			calSys->setYMD(end_date, calSys->year(end_date), calSys->month(end_date), 1);
			endDateEdit->blockSignals(true);
			endDateEdit->setDate(end_date);
			endDateEdit->blockSignals(false);
			updateDisplay();
			return;
		} else {
			KMessageBox::error(this, i18n("Future dates are not allowed."));
			error = true;
		}
	}*/
	if(!error && date < start_date) {
		start_date = date;
		startDateEdit->blockSignals(true);
		startDateEdit->setDate(start_date);
		startDateEdit->blockSignals(false);
	}
	if(error) {
		endDateEdit->focusYear();
		endDateEdit->blockSignals(true);
		endDateEdit->setDate(end_date);
		endDateEdit->blockSignals(false);
		return;
	}
	end_date = date;
	calSys->setYMD(end_date, calSys->year(end_date), calSys->month(end_date), calSys->daysInMonth(end_date));
	updateDisplay();
}
void OverTimeChart::endMonthChanged(const QDate &date) {
	const KCalendarSystem *calSys = KGlobal::locale()->calendar();
	bool error = false;
	if(!date.isValid()) {
		KMessageBox::error(this, i18n("Invalid date."));
		error = true;
	}
	/*if(!error && date > QDate::currentDate()) {
		KMessageBox::error(this, i18n("Future dates are not allowed."));
		error = true;
	}*/
	if(!error && date < start_date) {
		start_date = date;
		startDateEdit->blockSignals(true);
		startDateEdit->setDate(start_date);
		startDateEdit->blockSignals(false);
	}
	if(error) {
		endDateEdit->focusMonth();
		endDateEdit->blockSignals(true);
		endDateEdit->setDate(end_date);
		endDateEdit->blockSignals(false);
		return;
	}
	end_date = date;
	calSys->setYMD(end_date, calSys->year(end_date), calSys->month(end_date), calSys->daysInMonth(end_date));
	updateDisplay();
}
void OverTimeChart::saveConfig() {
	KConfig *config = kapp->config();
	((KDialogBase*) parent())->saveDialogSize(*config, "Over Time Chart");
	config->setGroup("Over Time Chart");
	config->writeEntry("valueSelected", valueButton->isChecked());
	config->writeEntry("dailyAverageSelected", dailyButton->isChecked());
	config->writeEntry("transactionCountSelected", countButton->isChecked());
	config->writeEntry("valuePerTransactionSelected", perButton->isChecked());
}

void OverTimeChart::save() {
	if(!canvas) return;
	KFileDialog *dialog = new KFileDialog(QString::null, QString::null, this, NULL, true);
	QStringList filter;
	filter << "image/png";
	if(QImageIO::outputFormats().contains("GIF")) {
		filter << "image/gif";
	}
	if(QImageIO::outputFormats().contains("JPEG")) {
		filter << "image/jpeg";
	}
	filter << "image/x-bmp";
	filter << "image/x-xbm";
	filter << "image/x-xpm";
	filter << "image/x-portable-pixmap";
	dialog->setMimeFilter(filter, "image/png");
	dialog->setOperationMode(KFileDialog::Saving);
	dialog->setMode(KFile::File);
	if(dialog->exec() != QDialog::Accepted) {dialog->deleteLater(); return;}
	KURL url = dialog->selectedURL();
	QString current_filter = dialog->currentFilter();
	dialog->deleteLater();
	if(url.isEmpty() && url.isValid()) return;
	if(url.isLocalFile()) {
		if(QFile::exists(url.path())) {
			if(KMessageBox::warningYesNo(this, i18n("The selected file already exists. Would you like to overwrite the old copy?")) != KMessageBox::Yes) return;
		}
		QFileInfo info(url.path());
		if(info.isDir()) {
			KMessageBox::error(this, i18n("You selected a directory!"));
			return;
		}
		KSaveFile ofile(url.path(), 0660);
		if(ofile.status()) {
			ofile.abort();
			KMessageBox::error(this, i18n("Couldn't open file for writing."));
			return;
		}
		QPixmap pixmap(min_width, min_height);
		QPainter p(&pixmap);
		canvas->drawArea(QRect(0, 0, min_width, min_height), &p);
		if(current_filter == "image/png") {pixmap.save(ofile.file(), "PNG");}
		else if(current_filter == "image/x-bmp") {pixmap.save(ofile.file(), "BMP");}
		else if(current_filter == "image/x-xbm") {pixmap.save(ofile.file(), "XBM");}
		else if(current_filter == "image/x-xpm") {pixmap.save(ofile.file(), "XPM");}
		else if(current_filter == "image/x-portable-pixmap") {pixmap.save(ofile.file(), "PPM");}
		else if(current_filter == "image/gif") {pixmap.save(ofile.file(), "GIF");}
		else if(current_filter == "image/jpeg") {pixmap.save(ofile.file(), "JPEG");}
		if(ofile.status()) {
			ofile.abort();
			KMessageBox::error(this, i18n("Error while writing file; file was not saved."));
			return;
		}
		ofile.close();
		if(ofile.status()) {
			KMessageBox::error(this, i18n("Error after saving file; data may not have been saved."));
			return;
		}
		return;
	}

	KTempFile tf;
	tf.setAutoDelete(true);
	QPixmap pixmap(min_width, min_height);
	QPainter p(&pixmap);
	canvas->drawArea(QRect(0, 0, min_width, min_height), &p);
	if(current_filter == "image/png") {pixmap.save(tf.file(), "PNG");}
	else if(current_filter == "image/x-bmp") {pixmap.save(tf.file(), "BMP");}
	else if(current_filter == "image/x-xbm") {pixmap.save(tf.file(), "XBM");}
	else if(current_filter == "image/x-xpm") {pixmap.save(tf.file(), "XPM");}
	else if(current_filter == "image/x-portable-pixmap") {pixmap.save(tf.file(), "PPM");}
	else if(current_filter == "image/gif") {pixmap.save(tf.file(), "GIF");}
	else if(current_filter == "image/jpeg") {pixmap.save(tf.file(), "JPEG");}
	KIO::NetAccess::upload(tf.name(), url, this);
	
}

void OverTimeChart::print() {
	if(!canvas) return;
	KPrinter pr;
	if(pr.setup(this)) {
		QPainter p(&pr);
		canvas->drawArea(QRect(0, 0, min_width, min_height), &p);
	}
}
QColor getColor2(int index) {
	switch(index % 11) {
		case 0: {return Qt::red;}
		case 1: {return Qt::blue;}
		case 2: {return Qt::cyan;}
		case 3: {return Qt::magenta;}
		case 4: {return Qt::green;}
		case 5: {return Qt::darkRed;}
		case 6: {return Qt::darkGreen;}
		case 7: {return Qt::darkBlue;}
		case 8: {return Qt::darkCyan;}
		case 9: {return Qt::darkMagenta;}
		case 10: {return Qt::darkYellow;}
		default: {return Qt::gray;}
	}
}
QPen getPen(int index) {
	QPen pen;
	pen.setWidth(2);
	switch(index / 11) {
		case 0: {pen.setStyle(Qt::SolidLine); break;}
		case 1: {pen.setStyle(Qt::DashLine); break;}
		case 3: {pen.setStyle(Qt::DashDotLine); break;}
		case 4: {pen.setStyle(Qt::DashDotDotLine); break;}
		default: {}
	}
	pen.setColor(getColor2(index));
	return pen;
}
void OverTimeChart::updateDisplay() {

	const KCalendarSystem *calSys = KGlobal::locale()->calendar();

	QValueVector<chart_month_info> monthly_incomes, monthly_expenses;
	QMap<Account*, QValueVector<chart_month_info> > monthly_cats;
	QMap<Account*, chart_month_info*> mi_c;
	QMap<QString, QValueVector<chart_month_info> > monthly_desc;
	QMap<QString, chart_month_info*> mi_d;
	chart_month_info *mi_e = NULL, *mi_i = NULL;
	chart_month_info **mi = NULL;
	QValueVector<chart_month_info> *monthly_values = NULL;
	QMap<Account*, double> scheduled_cats;
	QMap<Account*, double> scheduled_cat_counts;
	QMap<QString, double> scheduled_desc;
	QMap<QString, double> scheduled_desc_counts;
	bool isfirst_i = true, isfirst_e = true;
	QMap<Account*, bool> isfirst_c;
	QMap<QString, bool> isfirst_d;
	bool *isfirst = NULL;

	int type = valueGroup->selectedId();

	if(current_source == 3 || current_source < 2) {
		Account *account = budget->incomesAccounts.first();
		while(account) {
			monthly_cats[account] = QValueVector<chart_month_info>();
			mi_c[account] = NULL;
			isfirst_c[account] = true;
			scheduled_cats[account] = 0.0;
			scheduled_cat_counts[account] = 0.0;
			account = budget->incomesAccounts.next();
		}
	}

	if(current_source == 4 || current_source < 3) {
		Account *account = budget->expensesAccounts.first();
		while(account) {
			monthly_cats[account] = QValueVector<chart_month_info>();
			mi_c[account] = NULL;
			isfirst_c[account] = true;
			scheduled_cats[account] = 0.0;
			scheduled_cat_counts[account] = 0.0;
			account = budget->expensesAccounts.next();
		}
	} else if(current_source == 7 || current_source == 8 || current_source == 17 || current_source == 18) {
		if(has_empty_description) descriptionCombo->changeItem("", descriptionCombo->count() - 1);
		for(int i = 2; i < descriptionCombo->count(); i++) {
			QString str = descriptionCombo->text(i);
			monthly_desc[str] = QValueVector<chart_month_info>();
			mi_d[str] = NULL;
			isfirst_d[str] = true;
			scheduled_desc[str] = 0.0;
			scheduled_desc_counts[str] = 0.0;
		}
	} else if(current_source == 11 || current_source == 12 || current_source == 13 || current_source == 14) {
		if(has_empty_payee) payeeCombo->changeItem("", payeeCombo->count() - 1);
		for(int i = 2; i < payeeCombo->count(); i++) {
			QString str = payeeCombo->text(i);
			monthly_desc[str] = QValueVector<chart_month_info>();
			mi_d[str] = NULL;
			isfirst_d[str] = true;
			scheduled_desc[str] = 0.0;
			scheduled_desc_counts[str] = 0.0;
		}
	}

	QDate first_date = start_date;
	QDate last_date = end_date;

	double maxvalue = 1.0;
	double minvalue = 0.0;
	double maxcount = 1.0;
	bool started = false;
	Transaction *trans = budget->transactions.first();
	while(trans && trans->date() <= last_date) {
		bool include = false;
		int sign = 1;
		if(!started && trans->date() >= first_date) started = true;		
		if(started) {
			switch(current_source) {
				case -1: {}
				case 0: {}
				case 1: {}
				case 2: {}
				case 3: {}
				case 4: {
					if(current_source != 2 && current_source != 4 && trans->fromAccount()->type() == ACCOUNT_TYPE_INCOMES) {
						monthly_values = &monthly_cats[trans->fromAccount()]; mi = &mi_c[trans->fromAccount()]; isfirst = &isfirst_c[trans->fromAccount()];
						sign = 1;
						include = true;
					} else if(current_source != 1 && current_source != 3 && trans->fromAccount()->type() == ACCOUNT_TYPE_EXPENSES) {
						monthly_values = &monthly_cats[trans->fromAccount()]; mi = &mi_c[trans->fromAccount()]; isfirst = &isfirst_c[trans->fromAccount()];
						sign = -1;
						include = true;
					} else if(current_source != 2 && current_source != 4 && trans->toAccount()->type() == ACCOUNT_TYPE_INCOMES) {
						monthly_values = &monthly_cats[trans->toAccount()]; mi = &mi_c[trans->toAccount()]; isfirst = &isfirst_c[trans->toAccount()];
						sign = -1;
						include = true;
					} else if(current_source != 1 && current_source != 3 && trans->toAccount()->type() == ACCOUNT_TYPE_EXPENSES) {
						monthly_values = &monthly_cats[trans->toAccount()]; mi = &mi_c[trans->toAccount()]; isfirst = &isfirst_c[trans->toAccount()];
						sign = 1;
						include = true;
					}
					break;
				}
				case 5: {
					if(trans->fromAccount() == current_account) {
						monthly_values = &monthly_incomes; mi = &mi_i; isfirst = &isfirst_i;
						sign = 1;
						include = true;
					} else if(trans->toAccount() == current_account) {
						monthly_values = &monthly_incomes; mi = &mi_i; isfirst = &isfirst_i;
						sign = -1;
						include = true;
					}
					break;
				}
				case 6: {
					if(trans->fromAccount() == current_account) {
						monthly_values = &monthly_expenses; mi = &mi_e; isfirst = &isfirst_e;
						sign = -1;
						include = true;
					} else if(trans->toAccount() == current_account) {
						monthly_values = &monthly_expenses; mi = &mi_e; isfirst = &isfirst_e;
						sign = 1;
						include = true;
					}
					break;
				}
				case 7: {
					if(trans->fromAccount() == current_account) {
						monthly_values = &monthly_desc[trans->description()]; mi = &mi_d[trans->description()]; isfirst = &isfirst_d[trans->description()];
						sign = 1;
						include = true;
					} else if(trans->toAccount() == current_account) {
						monthly_values = &monthly_desc[trans->description()]; mi = &mi_d[trans->description()]; isfirst = &isfirst_d[trans->description()];
						sign = -1;
						include = true;
					}
					break;
				}
				case 8: {
					if(trans->fromAccount() == current_account) {
						monthly_values = &monthly_desc[trans->description()]; mi = &mi_d[trans->description()]; isfirst = &isfirst_d[trans->description()];
						sign = -1;
						include = true;
					} else if(trans->toAccount() == current_account) {
						monthly_values = &monthly_desc[trans->description()]; mi = &mi_d[trans->description()]; isfirst = &isfirst_d[trans->description()];
						sign = 1;
						include = true;
					}
					break;
				}
				case 9: {
					if(trans->fromAccount() == current_account && trans->description() == current_description) {
						monthly_values = &monthly_incomes; mi = &mi_i; isfirst = &isfirst_i;
						sign = 1;
						include = true;
					} else if(trans->toAccount() == current_account && trans->description() == current_description) {
						monthly_values = &monthly_incomes; mi = &mi_i; isfirst = &isfirst_i;
						sign = -1;
						include = true;
					}
					break;
				}
				case 10: {
					if(trans->fromAccount() == current_account && trans->description() == current_description) {
						monthly_values = &monthly_expenses; mi = &mi_e; isfirst = &isfirst_e;
						sign = -1;
						include = true;
					} else if(trans->toAccount() == current_account && trans->description() == current_description) {
						monthly_values = &monthly_expenses; mi = &mi_e; isfirst = &isfirst_e;
						sign = 1;
						include = true;
					}
					break;
				}
				case 11: {
					if(trans->type() != TRANSACTION_TYPE_INCOME) break;
					Income *income = (Income*) trans;
					if(income->category() == current_account) {
						monthly_values = &monthly_desc[income->payer()]; mi = &mi_d[income->payer()]; isfirst = &isfirst_d[income->payer()];
						sign = 1;
						include = true;
					}
					break;
				}
				case 12: {
					if(trans->type() != TRANSACTION_TYPE_EXPENSE) break;
					Expense *expense = (Expense*) trans;
					if(expense->category() == current_account) {
						monthly_values = &monthly_desc[expense->payee()]; mi = &mi_d[expense->payee()]; isfirst = &isfirst_d[expense->payee()];
						sign = 1;
						include = true;
					}
					break;
				}
				case 13: {
					if(trans->type() != TRANSACTION_TYPE_INCOME) break;
					Income *income = (Income*) trans;
					if(income->category() == current_account && income->description() == current_description) {
						monthly_values = &monthly_desc[income->payer()]; mi = &mi_d[income->payer()]; isfirst = &isfirst_d[income->payer()];
						sign = 1;
						include = true;
					}
					break;
				}
				case 14: {
					if(trans->type() != TRANSACTION_TYPE_EXPENSE) break;
					Expense *expense = (Expense*) trans;
					if(expense->category() == current_account && expense->description() == current_description) {
						monthly_values = &monthly_desc[expense->payee()]; mi = &mi_d[expense->payee()]; isfirst = &isfirst_d[expense->payee()];
						sign = 1;
						include = true;
					}
					break;
				}
				case 15: {
					if(trans->type() != TRANSACTION_TYPE_INCOME) break;
					Income *income = (Income*) trans;
					if(income->category() == current_account && income->payer() == current_payee) {
						monthly_values = &monthly_incomes; mi = &mi_i; isfirst = &isfirst_i;
						sign = 1;
						include = true;
					}
					break;
				}
				case 16: {
					if(trans->type() != TRANSACTION_TYPE_EXPENSE) break;
					Expense *expense = (Expense*) trans;
					if(expense->category() == current_account && expense->payee() == current_payee) {
						monthly_values = &monthly_expenses; mi = &mi_e; isfirst = &isfirst_e;
						sign = 1;
						include = true;
					}
					break;
				}
				case 17: {
					if(trans->type() != TRANSACTION_TYPE_INCOME) break;
					Income *income = (Income*) trans;
					if(income->category() == current_account && income->payer() == current_payee) {
						monthly_values = &monthly_desc[income->description()]; mi = &mi_d[income->description()]; isfirst = &isfirst_d[income->description()];
						sign = 1;
						include = true;
					}
					break;
				}
				case 18: {
					if(trans->type() != TRANSACTION_TYPE_EXPENSE) break;
					Expense *expense = (Expense*) trans;
					if(expense->category() == current_account && expense->payee() == current_payee) {
						monthly_values = &monthly_desc[expense->description()]; mi = &mi_d[expense->description()]; isfirst = &isfirst_d[expense->description()];
						sign = 1;
						include = true;
					}
					break;
				}
				case 19: {
					if(trans->type() != TRANSACTION_TYPE_INCOME) break;
					Income *income = (Income*) trans;
					if(income->category() == current_account && income->description() == current_description && income->payer() == current_payee) {
						monthly_values = &monthly_incomes; mi = &mi_i; isfirst = &isfirst_i;
						sign = 1;
						include = true;
					}
					break;
				}
				case 20: {
					if(trans->type() != TRANSACTION_TYPE_EXPENSE) break;
					Expense *expense = (Expense*) trans;
					if(expense->category() == current_account && expense->description() == current_description && expense->payee() == current_payee) {
						monthly_values = &monthly_expenses; mi = &mi_e; isfirst = &isfirst_e;
						sign = 1;
						include = true;
					}
					break;
				}
			}
		}
		if(include) {
			if(!(*mi) || trans->date() > (*mi)->date) {
				QDate newdate, olddate;
				calSys->setYMD(newdate, calSys->year(trans->date()), calSys->month(trans->date()), calSys->daysInMonth(trans->date()));
				if(*mi) {					
					olddate = addMonths((*mi)->date, 1);
					calSys->setYMD(olddate, calSys->year(olddate), calSys->month(olddate), calSys->daysInMonth(olddate));
					(*isfirst) = false;
				} else {
					calSys->setYMD(olddate, calSys->year(first_date), calSys->month(first_date), calSys->daysInMonth(first_date));
					(*isfirst) = true;
				}
				while(olddate < newdate) {
					monthly_values->append(chart_month_info());
					(*mi) = &monthly_values->back();
					(*mi)->value = 0.0;
					(*mi)->count = 0.0;
					(*mi)->date = olddate;
					olddate = addMonths(olddate, 1);
					calSys->setYMD(olddate, calSys->year(olddate), calSys->month(olddate), calSys->daysInMonth(olddate));
					(*isfirst) = false;
				}
				monthly_values->append(chart_month_info());
				(*mi) = &monthly_values->back();
				(*mi)->value = trans->value() * sign;
				(*mi)->count = trans->quantity();
				(*mi)->date = newdate;
			} else {
				(*mi)->value += trans->value() * sign;
				(*mi)->count += trans->quantity();
			}
		}
		trans = budget->transactions.next();
	}

	int source_org = 0;
	switch(current_source) {
		case -1: {source_org = 0; break;}
		case 0: {source_org = 0; break;}
		case 1: {source_org = 3; break;}
		case 2: {source_org = 4; break;}
		case 3: {source_org = 3; break;}
		case 4: {source_org = 4; break;}
		case 5: {source_org = 1; break;}
		case 6: {source_org = 2; break;}
		case 7: {source_org = 7; break;}
		case 8: {source_org = 7; break;}
		case 9: {source_org = 1; break;}
		case 10: {source_org = 2; break;}
		case 11: {source_org = 11; break;}
		case 12: {source_org = 11; break;}
		case 13: {source_org = 11; break;}
		case 14: {source_org = 11; break;}
		case 15: {source_org = 1; break;}
		case 16: {source_org = 2; break;}
		case 17: {source_org = 7; break;}
		case 18: {source_org = 7; break;}
		case 19: {source_org = 1; break;}
		case 20: {source_org = 2; break;}
	}
	
	Account *account = NULL;
	int desc_i = 2;
	int desc_nr = 0;
	bool at_expenses = false;
	if(source_org == 7) desc_nr = descriptionCombo->count();
	else if(source_org == 11) desc_nr = payeeCombo->count();
	else if(source_org == 0) {account = budget->incomesAccounts.first(); if(!account) {at_expenses = true; account = budget->expensesAccounts.first();}}
	else if(source_org == 3) account = budget->incomesAccounts.first();
	else if(source_org == 4) account = budget->expensesAccounts.first();
	else if(source_org == 2) {mi = &mi_e; monthly_values = &monthly_expenses; isfirst = &isfirst_e;}
	else if(source_org == 1) {mi = &mi_i; monthly_values = &monthly_incomes; isfirst = &isfirst_i;}
	while(source_org == 1 || source_org == 2 || account || ((source_org == 7 || source_org == 11) && desc_i < desc_nr)) {
		if(source_org == 3 || source_org == 4 || source_org == 0) {mi = &mi_c[account]; monthly_values = &monthly_cats[account]; isfirst = &isfirst_c[account];}
		else if(source_org == 7) {mi = &mi_d[descriptionCombo->text(desc_i)]; monthly_values = &monthly_desc[descriptionCombo->text(desc_i)]; isfirst = &isfirst_d[descriptionCombo->text(desc_i)];}
		else if(source_org == 11) {mi = &mi_d[payeeCombo->text(desc_i)]; monthly_values = &monthly_desc[payeeCombo->text(desc_i)]; isfirst = &isfirst_d[payeeCombo->text(desc_i)];}
		if(!(*mi)) {
			monthly_values->append(chart_month_info());
			(*mi) = &monthly_values->back();
			(*mi)->value = 0.0;
			(*mi)->count = 0.0;
			calSys->setYMD((*mi)->date, calSys->year(first_date), calSys->month(first_date), calSys->daysInMonth(first_date));
			(*isfirst) = true;
		}
		while((*mi)->date < last_date) {
			QDate newdate = addMonths((*mi)->date, 1);
			calSys->setYMD(newdate, calSys->year(newdate), calSys->month(newdate), calSys->daysInMonth(newdate));
			monthly_values->append(chart_month_info());
			(*mi) = &monthly_values->back();
			(*mi)->value = 0.0;
			(*mi)->count = 0.0;
			(*mi)->date = newdate;
			(*isfirst) = false;
		}
		if(source_org == 7 || source_org == 11) desc_i++;
		else if(source_org == 3) account = budget->incomesAccounts.next();
		else if(source_org == 4) account = budget->expensesAccounts.next(); 
		else if(source_org == 0) {
			if(!at_expenses) {
				account = budget->incomesAccounts.next();
				if(!account) {
					at_expenses = true;
					account = budget->expensesAccounts.first();
				}
			} else {
				account = budget->expensesAccounts.next();
			}
		} else break;
	}

	ScheduledTransaction *strans = budget->scheduledTransactions.first();
	
	while(strans && strans->firstOccurrence() <= last_date) {
		trans = strans->transaction();
		bool include = false;
		int sign = 1;
		switch(current_source) {
			case -1: {}
			case 0: {}
			case 1: {}
			case 2: {}
			case 3: {}
			case 4: {
				if(current_source != 2 && current_source != 4 && trans->fromAccount()->type() == ACCOUNT_TYPE_INCOMES) {
					monthly_values = &monthly_cats[trans->fromAccount()]; mi = &mi_c[trans->fromAccount()]; isfirst = &isfirst_c[trans->fromAccount()];
					sign = 1;
					include = true;
				} else if(current_source != 1 && current_source != 3 && trans->fromAccount()->type() == ACCOUNT_TYPE_EXPENSES) {
					monthly_values = &monthly_cats[trans->fromAccount()]; mi = &mi_c[trans->fromAccount()]; isfirst = &isfirst_c[trans->fromAccount()];
					sign = -1;
					include = true;
				} else if(current_source != 2 && current_source != 4 && trans->toAccount()->type() == ACCOUNT_TYPE_INCOMES) {
					monthly_values = &monthly_cats[trans->toAccount()]; mi = &mi_c[trans->toAccount()]; isfirst = &isfirst_c[trans->toAccount()];
					sign = -1;
					include = true;
				} else if(current_source != 1 && current_source != 3 && trans->toAccount()->type() == ACCOUNT_TYPE_EXPENSES) {
					monthly_values = &monthly_cats[trans->toAccount()]; mi = &mi_c[trans->toAccount()]; isfirst = &isfirst_c[trans->toAccount()];
					sign = 1;
					include = true;
				}
				break;
			}
			case 5: {
				if(trans->fromAccount() == current_account) {
					monthly_values = &monthly_incomes; mi = &mi_i; isfirst = &isfirst_i;
					sign = 1;
					include = true;
				} else if(trans->toAccount() == current_account) {
					monthly_values = &monthly_incomes; mi = &mi_i; isfirst = &isfirst_i;
					sign = -1;
					include = true;
				}
				break;
			}
			case 6: {
				if(trans->fromAccount() == current_account) {
					monthly_values = &monthly_expenses; mi = &mi_e; isfirst = &isfirst_e;
					sign = -1;
					include = true;
				} else if(trans->toAccount() == current_account) {
					monthly_values = &monthly_expenses; mi = &mi_e; isfirst = &isfirst_e;
					sign = 1;
					include = true;
				}
				break;
			}
			case 7: {
				if(trans->fromAccount() == current_account) {
					monthly_values = &monthly_desc[trans->description()]; mi = &mi_d[trans->description()]; isfirst = &isfirst_d[trans->description()];
					sign = 1;
					include = true;
				} else if(trans->toAccount() == current_account) {
					monthly_values = &monthly_desc[trans->description()]; mi = &mi_d[trans->description()]; isfirst = &isfirst_d[trans->description()];
					sign = -1;
					include = true;
				}
				break;
			}
			case 8: {
				if(trans->fromAccount() == current_account) {
					monthly_values = &monthly_desc[trans->description()]; mi = &mi_d[trans->description()]; isfirst = &isfirst_d[trans->description()];
					sign = -1;
					include = true;
				} else if(trans->toAccount() == current_account) {
					monthly_values = &monthly_desc[trans->description()]; mi = &mi_d[trans->description()]; isfirst = &isfirst_d[trans->description()];
					sign = 1;
					include = true;
				}
				break;
			}
			case 9: {
				if(trans->fromAccount() == current_account && trans->description() == current_description) {
					monthly_values = &monthly_incomes; mi = &mi_i; isfirst = &isfirst_i;
					sign = 1;
					include = true;
				} else if(trans->toAccount() == current_account && trans->description() == current_description) {
					monthly_values = &monthly_incomes; mi = &mi_i; isfirst = &isfirst_i;
					sign = -1;
					include = true;
				}
				break;
			}
			case 10: {
				if(trans->fromAccount() == current_account && trans->description() == current_description) {
					monthly_values = &monthly_expenses; mi = &mi_e; isfirst = &isfirst_e;
					sign = -1;
					include = true;
				} else if(trans->toAccount() == current_account && trans->description() == current_description) {
					monthly_values = &monthly_expenses; mi = &mi_e; isfirst = &isfirst_e;
					sign = 1;
					include = true;
				}
				break;
			}
			case 11: {
				if(trans->type() != TRANSACTION_TYPE_INCOME) break;
				Income *income = (Income*) trans;
				if(income->category() == current_account) {
					monthly_values = &monthly_desc[income->payer()]; mi = &mi_d[income->payer()]; isfirst = &isfirst_d[income->payer()];
					sign = 1;
					include = true;
				}
				break;
			}
			case 12: {
				if(trans->type() != TRANSACTION_TYPE_EXPENSE) break;
				Expense *expense = (Expense*) trans;
				if(expense->category() == current_account) {
					monthly_values = &monthly_desc[expense->payee()]; mi = &mi_d[expense->payee()]; isfirst = &isfirst_d[expense->payee()];
					sign = 1;
					include = true;
				}
				break;
			}
			case 13: {
				if(trans->type() != TRANSACTION_TYPE_INCOME) break;
				Income *income = (Income*) trans;
				if(income->category() == current_account && income->description() == current_description) {
					monthly_values = &monthly_desc[income->payer()]; mi = &mi_d[income->payer()]; isfirst = &isfirst_d[income->payer()];
					sign = 1;
					include = true;
				}
				break;
			}
			case 14: {
				if(trans->type() != TRANSACTION_TYPE_EXPENSE) break;
				Expense *expense = (Expense*) trans;
				if(expense->category() == current_account && expense->description() == current_description) {
					monthly_values = &monthly_desc[expense->payee()]; mi = &mi_d[expense->payee()]; isfirst = &isfirst_d[expense->payee()];
					sign = 1;
					include = true;
				}
				break;
			}
			case 15: {
				if(trans->type() != TRANSACTION_TYPE_INCOME) break;
				Income *income = (Income*) trans;
				if(income->category() == current_account && income->payer() == current_payee) {
					monthly_values = &monthly_incomes; mi = &mi_i; isfirst = &isfirst_i;
					sign = 1;
					include = true;
				}
				break;
			}
			case 16: {
				if(trans->type() != TRANSACTION_TYPE_EXPENSE) break;
				Expense *expense = (Expense*) trans;
				if(expense->category() == current_account && expense->payee() == current_payee) {
					monthly_values = &monthly_expenses; mi = &mi_e; isfirst = &isfirst_e;
					sign = 1;
					include = true;
				}
				break;
			}
			case 17: {
				if(trans->type() != TRANSACTION_TYPE_INCOME) break;
				Income *income = (Income*) trans;
				if(income->category() == current_account && income->payer() == current_payee) {
					monthly_values = &monthly_desc[income->description()]; mi = &mi_d[income->description()]; isfirst = &isfirst_d[income->description()];
					sign = 1;
					include = true;
				}
				break;
			}
			case 18: {
				if(trans->type() != TRANSACTION_TYPE_EXPENSE) break;
				Expense *expense = (Expense*) trans;
				if(expense->category() == current_account && expense->payee() == current_payee) {
					monthly_values = &monthly_desc[expense->description()]; mi = &mi_d[expense->description()]; isfirst = &isfirst_d[expense->description()];
					sign = 1;
					include = true;
				}
				break;
			}
			case 19: {
				if(trans->type() != TRANSACTION_TYPE_INCOME) break;
				Income *income = (Income*) trans;
				if(income->category() == current_account && income->description() == current_description && income->payer() == current_payee) {
					monthly_values = &monthly_incomes; mi = &mi_i; isfirst = &isfirst_i;
					sign = 1;
					include = true;
				}
				break;
			}
			case 20: {
				if(trans->type() != TRANSACTION_TYPE_EXPENSE) break;
				Expense *expense = (Expense*) trans;
				if(expense->category() == current_account && expense->description() == current_description && expense->payee() == current_payee) {
					monthly_values = &monthly_expenses; mi = &mi_e; isfirst = &isfirst_e;
					sign = 1;
					include = true;
				}
				break;
			}
		}
		if(include) {
			QDate transdate = strans->firstOccurrence();
			QValueVector<chart_month_info>::iterator cmi_it = monthly_values->begin();
			do {
				if(transdate >= first_date) {
					while(cmi_it->date < transdate) {
						++cmi_it;
					}
					(*mi) = cmi_it;
					(*mi)->value += trans->value() * sign;
					(*mi)->count += trans->quantity();
				}
				if(strans->recurrence()) {
					transdate = strans->recurrence()->nextOccurrence(transdate);
				} else {
					break;
				}
			} while(transdate <= last_date);
		}
		strans = budget->scheduledTransactions.next();
	}		

	account = current_account;
	desc_i = 2;
	desc_nr = 0;
	int imonth = calSys->month(QDate::currentDate());

	if(calSys->day(QDate::currentDate()) == calSys->daysInMonth(QDate::currentDate())) {
		imonth++;
	}

	at_expenses = false;
	if(source_org == 7) {desc_nr = descriptionCombo->count(); account = NULL;}
	else if(source_org == 11) {desc_nr = payeeCombo->count(); account = NULL;}
	else if(source_org == 0) {account = budget->incomesAccounts.first(); if(!account) {at_expenses = true; account = budget->expensesAccounts.first();}}
	else if(source_org == 3) account = budget->incomesAccounts.first();
	else if(source_org == 4) account = budget->expensesAccounts.first();
	else if(source_org == 2) {mi = &mi_e; monthly_values = &monthly_expenses; isfirst = &isfirst_e;}
	else if(source_org == 1) {mi = &mi_i; monthly_values = &monthly_incomes; isfirst = &isfirst_i;}	
	while(source_org == 1 || source_org == 2 || account || ((source_org == 7 || source_org == 11) && desc_i < desc_nr)) {
		if(source_org == 3 || source_org == 4 || source_org == 0) {mi = &mi_c[account]; monthly_values = &monthly_cats[account]; isfirst = &isfirst_c[account];}
		else if(source_org == 7) {mi = &mi_d[descriptionCombo->text(desc_i)]; monthly_values = &monthly_desc[descriptionCombo->text(desc_i)]; isfirst = &isfirst_d[descriptionCombo->text(desc_i)];}
		else if(source_org == 11) {mi = &mi_d[payeeCombo->text(desc_i)]; monthly_values = &monthly_desc[payeeCombo->text(desc_i)]; isfirst = &isfirst_d[payeeCombo->text(desc_i)];}
		(*mi) = &monthly_values->front();
		QValueVector<chart_month_info>::iterator cmi_it = monthly_values->begin();		
		bool in_future = false;
		while(cmi_it != monthly_values->end()) {
			(*mi) = cmi_it;
			if(account && type < 2 && current_source < 7) {
				if(!in_future && calSys->month((*mi)->date) >= imonth) {
					in_future = true;
				}
				if(in_future && account->type() != ACCOUNT_TYPE_ASSETS) {
					double d_budget = ((CategoryAccount*) account)->monthlyBudget(calSys->year((*mi)->date), calSys->month((*mi)->date), false);
					if(d_budget >= 0.0 && d_budget > (*mi)->value) {
						(*mi)->value = d_budget;
					}
				}
			}
			switch(type) {
				case 1: {
					if((*mi)->date >= last_date) {
						(*mi)->value /= ((*isfirst) ? (first_date.daysTo(last_date) + 1) : calSys->day(last_date));
					} else {
						(*mi)->value /= ((*isfirst) ? (first_date.daysTo((*mi)->date) + 1) : calSys->daysInMonth((*mi)->date));
					}
					break;
				}
				case 2: {(*mi)->value = (*mi)->count; break;}
				case 3: {if((*mi)->count > 0.0) (*mi)->value /= (*mi)->count; else (*mi)->value = 0.0; break;}				
			}
			if((*mi)->value > maxvalue) maxvalue = (*mi)->value;
			else if((*mi)->value < minvalue) minvalue = (*mi)->value;
			if((*mi)->count > maxcount) maxcount = (*mi)->count;
			++cmi_it;
		}
		
		if(source_org == 7 || source_org == 11) desc_i++;
		else if(source_org == 3) account = budget->incomesAccounts.next();
		else if(source_org == 4) account = budget->expensesAccounts.next();
		else if(source_org == 0) {
			if(!at_expenses) {
				account = budget->incomesAccounts.next();
				if(!account) {
					at_expenses = true;
					account = budget->expensesAccounts.first();
				}
			} else {
				account = budget->expensesAccounts.next();
			}
		} else break;
	}

	bool second_run = false;
	if(current_source < 3) {
		maxvalue = 0.0;
		minvalue = 0.0;
		maxcount = 0.0;
	}
	while(current_source < 3) {
		if(current_source == -1 || current_source == 1 || second_run) monthly_values = &monthly_incomes;
		else monthly_values = &monthly_expenses;
		if(!second_run || current_source != -1) {
			monthly_values->append(chart_month_info());
			(*mi) = &monthly_values->back();
			(*mi)->value = 0.0;
			(*mi)->count = 0.0;
			calSys->setYMD((*mi)->date, calSys->year(first_date), calSys->month(first_date), calSys->daysInMonth(first_date));
			while((*mi)->date < last_date) {
				QDate newdate = addMonths((*mi)->date, 1);
				calSys->setYMD(newdate, calSys->year(newdate), calSys->month(newdate), calSys->daysInMonth(newdate));
				monthly_values->append(chart_month_info());
				(*mi) = &monthly_values->back();
				(*mi)->value = 0.0;
				(*mi)->count = 0.0;
				(*mi)->date = newdate;
			}
		}
		if(current_source == 1 || second_run) account = budget->incomesAccounts.first();
		else account = budget->expensesAccounts.first();
		while(account) {
			QValueVector<chart_month_info>::iterator cmi_it = monthly_values->begin();
			QValueVector<chart_month_info>::iterator cmi_itc = monthly_cats[account].begin();
			while(cmi_it != monthly_values->end() && cmi_itc != monthly_cats[account].end()) {
				(*mi) = cmi_it;
				if(!second_run && current_source == -1) (*mi)->value -= cmi_itc->value; 
				else (*mi)->value += cmi_itc->value;
				(*mi)->count += cmi_itc->count;
				++cmi_it;
				++cmi_itc;
			}
			if(current_source == 1 || second_run) account = budget->incomesAccounts.next();
			else account = budget->expensesAccounts.next();
		}
		if(current_source != -1 || second_run) {
			QValueVector<chart_month_info>::iterator cmi_it = monthly_values->begin();
			while(cmi_it != monthly_values->end()) {
				(*mi) = cmi_it;
				if((*mi)->value > maxvalue) maxvalue = (*mi)->value;
				else if((*mi)->value < minvalue) minvalue = (*mi)->value;
				if((*mi)->count > maxcount) maxcount = (*mi)->count;
				++cmi_it;
			}
		}
		if(current_source > 0 || second_run) break;
		second_run = true;
	}
	switch(current_source) {
		case -1: {source_org = 1; break;}
		case 0: {source_org = 0; break;}
		case 1: {source_org = 1; break;}
		case 2: {source_org = 2; break;}
		default: {}
	}

	QCanvas *oldcanvas = canvas;
	canvas = new QCanvas(this);
	canvas->setBackgroundColor(Qt::white);
	QFont legend_font = font();
	QFontMetrics fm(legend_font);
	int fh = fm.height();

	int years = calSys->year(last_date) - calSys->year(first_date);
	int months = months_between_dates(first_date, last_date) + 1;

	if(type == 2) {
		int intmax = (int) ceil(maxcount);
		if(intmax % 5 > 0) maxvalue = ((intmax / 5) + 1) * 5;
		else maxvalue = intmax;
	} else {
		if(-minvalue > maxvalue) maxvalue = -minvalue;
		double maxvalue_exp = round(log10(maxvalue)) - 1.0;
		if(maxvalue_exp <= 0.0) {
			maxvalue /= 2.0;
			maxvalue = ceil(maxvalue) * 2.0;
		} else {
			maxvalue /= pow(10, maxvalue_exp);
			maxvalue = ceil(maxvalue) * pow(10, maxvalue_exp);
		}
		if(minvalue < 0.0) minvalue = -maxvalue;
	}
	int n = 0;
	QDate monthdate = first_date;
	QDate curmonth = end_date;
	while(monthdate <= curmonth) {
		monthdate = addMonths(monthdate, 1);
		n++;
	}

	int linelength = (int) ceil(600.0 / n);
	int chart_height = 400;
	int margin = 30 + fh;
	int chart_y = margin + 15;
	int axis_width = 11;
	int axis_height = 11 + fh;
	int chart_width = linelength * n;
	int y_lines = 5;
	if(minvalue < 0.0) y_lines = 4;

	int max_axis_value_width = 0;
	for(int i = 0; i <= y_lines; i++) {
		int w;
		if(type == 2 || maxvalue - minvalue >= 50.0) w = fm.width(KGlobal::locale()->formatLong((int) round(maxvalue - (((maxvalue - minvalue) * i) / y_lines))));
		else w = fm.width(KGlobal::locale()->formatNumber((maxvalue - (((maxvalue - minvalue) * i) / y_lines))));
		if(w > max_axis_value_width) max_axis_value_width = w;
	}
	axis_width += max_axis_value_width;

	QCanvasText *axis_text = NULL;
	if(type == 2) axis_text = new QCanvasText(i18n("Quantity"), legend_font, canvas);
	else if(current_source == 0) axis_text = new QCanvasText(i18n("Value (%1)").arg(KGlobal::locale()->currencySymbol()), legend_font, canvas);
	else if(current_source == -1) axis_text = new QCanvasText(i18n("Profit (%1)").arg(KGlobal::locale()->currencySymbol()), legend_font, canvas);
	else if(current_source % 2 == 1) axis_text = new QCanvasText(i18n("Income (%1)").arg(KGlobal::locale()->currencySymbol()), legend_font, canvas);
	else axis_text = new QCanvasText(i18n("Cost (%1)").arg(KGlobal::locale()->currencySymbol()), legend_font, canvas);
	axis_text->setColor(Qt::black);
	if(axis_text->boundingRect().width() / 2 > max_axis_value_width) max_axis_value_width = axis_text->boundingRect().width() / 2;
	axis_text->move(margin + axis_width - axis_text->boundingRect().width() / 2, margin - fh);
	axis_text->show();

	QPen axis_pen;
	axis_pen.setColor(Qt::black);
	axis_pen.setWidth(1);
	axis_pen.setStyle(Qt::SolidLine);
	QCanvasLine *y_axis = new QCanvasLine(canvas);
	y_axis->setPoints(margin + axis_width, margin + 3, margin + axis_width, chart_height + chart_y);
	y_axis->setPen(axis_pen);
	y_axis->show();

	QCanvasLine *y_axis_dir1 = new QCanvasLine(canvas);
	y_axis_dir1->setPoints(margin + axis_width, margin + 3, margin + axis_width - 3, margin + 9);
	y_axis_dir1->setPen(axis_pen);
	y_axis_dir1->show();

	QCanvasLine *y_axis_dir2 = new QCanvasLine(canvas);
	y_axis_dir2->setPoints(margin + axis_width, margin + 3, margin + axis_width + 3, margin + 9);
	y_axis_dir2->setPen(axis_pen);
	y_axis_dir2->show();

	QCanvasLine *x_axis = new QCanvasLine(canvas);
	x_axis->setPoints(margin + axis_width, chart_height + chart_y, margin + chart_width + axis_width + 12, chart_height + chart_y);
	x_axis->setPen(axis_pen);
	x_axis->show();

	QCanvasLine *x_axis_dir1 = new QCanvasLine(canvas);
	x_axis_dir1->setPoints(margin + chart_width + axis_width + 6, chart_height + chart_y - 3, margin + chart_width + axis_width + 12, chart_height + chart_y);
	x_axis_dir1->setPen(axis_pen);
	x_axis_dir1->show();

	QCanvasLine *x_axis_dir2 = new QCanvasLine(canvas);
	x_axis_dir2->setPoints(margin + chart_width + axis_width + 6, chart_height + chart_y + 3, margin + chart_width + axis_width + 12, chart_height + chart_y);
	x_axis_dir2->setPen(axis_pen);
	x_axis_dir2->show();

	axis_text = new QCanvasText(i18n("Time"), legend_font, canvas);
	axis_text->setColor(Qt::black);
	axis_text->move(margin + chart_width + axis_width + 15, chart_y + chart_height - fh / 2);
	axis_text->show();

	int x_axis_extra_width = 15 + axis_text->boundingRect().width();

	QPen div_pen;
	div_pen.setColor(Qt::black);
	div_pen.setWidth(1);
	div_pen.setStyle(Qt::DotLine);
	int div_height = chart_height / y_lines;
	for(int i = 0; i < y_lines; i++) {
		QCanvasLine *y_div = new QCanvasLine(canvas);
		y_div->setPoints(margin + axis_width, chart_y + i * div_height, margin + chart_width + axis_width, chart_y + i * div_height);
		y_div->setPen(div_pen);
		y_div->show();
		QCanvasLine *y_mark = new QCanvasLine(canvas);
		y_mark->setPoints(margin + axis_width - 10, chart_y + i * div_height, margin + axis_width, chart_y + i * div_height);
		y_mark->setPen(axis_pen);
		y_mark->show();
		if(minvalue < 0.0 && i == y_lines / 2) axis_text = new QCanvasText(KGlobal::locale()->formatLong(0), legend_font, canvas);
		else if(type == 2 || (maxvalue - minvalue) >= 50.0) axis_text= new QCanvasText(KGlobal::locale()->formatLong((int) round(maxvalue - (((maxvalue - minvalue) * i) / y_lines))), legend_font, canvas);
		else axis_text= new QCanvasText(KGlobal::locale()->formatNumber((maxvalue - (((maxvalue - minvalue) * i) / y_lines))), legend_font, canvas);
		axis_text->setColor(Qt::black);
		axis_text->move(margin + axis_width - axis_text->boundingRect().width() - 11, chart_y + i * div_height - fh / 2);
		axis_text->show();
	}

	if(minvalue != 0.0) {
		if(type == 2 || (maxvalue - minvalue) >= 50.0) axis_text= new QCanvasText(KGlobal::locale()->formatLong((int) round(minvalue)), legend_font, canvas);
		else axis_text= new QCanvasText(KGlobal::locale()->formatNumber(minvalue), legend_font, canvas);
	} else {
		axis_text = new QCanvasText(KGlobal::locale()->formatLong(0), legend_font, canvas);
	}
	axis_text->setColor(Qt::black);
	axis_text->move(margin + axis_width - axis_text->boundingRect().width() - 11, chart_y + chart_height - fh / 2);
	axis_text->show();

	int index = 0;
	int year = calSys->year(first_date) - 1;
	bool b_month_names = months <= 12, b_long_month_names = true;
	if(b_month_names) {
		monthdate = first_date;
		while(monthdate <= curmonth) {
			if(b_long_month_names) {
				if(fm.width(calSys->monthName(monthdate, false)) > linelength - 8) {
					b_long_month_names = false;
				}
			}
			if(!b_long_month_names) {
				if(fm.width(calSys->monthName(monthdate, true)) > linelength) {
					b_month_names = false;
					break;
				}
			}
			monthdate = addMonths(monthdate, 1);
		}
	}
	monthdate = first_date;
	while(monthdate <= curmonth) {
		if(years < 5 || year != calSys->year(monthdate)) {
			QCanvasLine *x_mark = new QCanvasLine(canvas);
			x_mark->setPoints(margin + axis_width + index * linelength, chart_height + chart_y, margin + axis_width + index * linelength, chart_height + chart_y + 10);
			x_mark->setPen(axis_pen);
			x_mark->show();
		}
		if(b_month_names) {
			QCanvasText *axis_text = new QCanvasText(calSys->monthName(monthdate, !b_long_month_names), legend_font, canvas);
			axis_text->setColor(Qt::black);
			axis_text->move(margin + axis_width + index * linelength + (linelength - axis_text->boundingRect().width()) / 2, chart_height + chart_y + 11);
			axis_text->show();
		} else if(year != calSys->year(monthdate)) {
			year = calSys->year(monthdate);
			QCanvasText *axis_text = new QCanvasText(calSys->yearString(monthdate, years >= 5), legend_font, canvas);
			axis_text->setColor(Qt::black);
			axis_text->move(margin + axis_width + index * linelength, chart_height + chart_y + 11);
			axis_text->show();
		}
		monthdate = addMonths(monthdate, 1);
		index++;
	}
	QCanvasLine *x_mark = new QCanvasLine(canvas);
	x_mark->setPoints(margin + axis_width + index * linelength, chart_height + chart_y, margin + axis_width + index * linelength, chart_height + chart_y + 10);
	x_mark->setPen(axis_pen);
	x_mark->show();

	int line_y = chart_height + chart_y;
	int line_x = margin + axis_width;
	int text_width = 0;
	int legend_x = chart_width + axis_width + margin + x_axis_extra_width + 10;
	int legend_y = margin;
	index = 0;
	account = NULL;
	desc_i = 2;

	if(source_org == 3) account = budget->incomesAccounts.first();
	else if(source_org == 4) account = budget->expensesAccounts.first();
	else if(source_org == 2) {monthly_values = &monthly_expenses;}
	else if(source_org == 1 || source_org == 0) {monthly_values = &monthly_incomes;}
	while(source_org < 3 || account || ((source_org == 7 || source_org == 11) && desc_i < desc_nr)) {
		if(source_org == 3 || source_org == 4) {monthly_values = &monthly_cats[account];}
		else if(source_org == 7) {monthly_values = &monthly_desc[descriptionCombo->text(desc_i)];}
		else if(source_org == 11) {monthly_values = &monthly_desc[payeeCombo->text(desc_i)];}
		int prev_y = 0;
		int index2 = 0;
		QValueVector<chart_month_info>::iterator it_e = monthly_values->end();
		for(QValueVector<chart_month_info>::iterator it = monthly_values->begin(); it != it_e; ++it) {
			if(index2 == 0) {
				prev_y = (int) floor((chart_height * (it->value - minvalue)) / (maxvalue - minvalue)) + 1;
				if(n == 1) {
					QCanvasEllipse *dot = new QCanvasEllipse(5, 5, canvas);
					dot->move(line_x + linelength / 2, line_y - prev_y);
					QBrush brush(getColor2(index));
					dot->setBrush(brush);
					dot->setZ(10);
					dot->show();
				}
			} else {
				int next_y = (int) floor((chart_height * (it->value - minvalue)) / (maxvalue - minvalue)) + 1;
				QCanvasLine *line = new QCanvasLine(canvas);
				line->setPen(getPen(index));
				line->setPoints(line_x + ((index2 - 1) * linelength) + linelength / 2, line_y - prev_y, line_x + (index2 * linelength) + linelength / 2, line_y - next_y);
				line->setZ(10);
				line->show();
				prev_y = next_y;
			}
			index2++;
		}
		QCanvasLine *legend_line = new QCanvasLine(canvas);
		legend_line->setPoints(legend_x + 10, legend_y + 10 + (fh + 5) * index + fh / 2, legend_x + 10 + fh, legend_y + 10 + (fh + 5) * index + fh / 2);
		legend_line->setPen(getPen(index));
		legend_line->show();
		QCanvasText *legend_text = NULL;
		switch(current_source) {
			case -1: {
				legend_text= new QCanvasText(i18n("Profits"), legend_font, canvas);
				break;
			}
			case 0: {
				if(index == 0) legend_text= new QCanvasText(i18n("Incomes"), legend_font, canvas);
				else if(index == 1) legend_text= new QCanvasText(i18n("Expenses"), legend_font, canvas);
				break;
			}
			case 1: {legend_text= new QCanvasText(i18n("Incomes"), legend_font, canvas); break;}
			case 2: {legend_text= new QCanvasText(i18n("Expenses"), legend_font, canvas); break;}
			case 3: {}
			case 4: {legend_text= new QCanvasText(account->name(), legend_font, canvas); break;}
			case 5: {}
			case 6: {legend_text= new QCanvasText(current_account->name(), legend_font, canvas); break;}
			case 17: {}
			case 18: {}
			case 7: {}
			case 8: {
				if(descriptionCombo->text(desc_i).isEmpty()) legend_text= new QCanvasText(i18n("No description"), legend_font, canvas);
				else legend_text= new QCanvasText(descriptionCombo->text(desc_i), legend_font, canvas);
				break;
			}
			case 9: {}
			case 10: {
				if(current_description.isEmpty()) legend_text= new QCanvasText(i18n("No description"), legend_font, canvas);
				else legend_text= new QCanvasText(current_description, legend_font, canvas);
				break;
			}
			case 13: {}
			case 11: {
				if(payeeCombo->text(desc_i).isEmpty()) legend_text= new QCanvasText(i18n("No payer"), legend_font, canvas);
				else legend_text= new QCanvasText(payeeCombo->text(desc_i), legend_font, canvas);
				break;
			}
			case 14: {}
			case 12: {
				if(payeeCombo->text(desc_i).isEmpty()) legend_text= new QCanvasText(i18n("No payee"), legend_font, canvas);
				else legend_text= new QCanvasText(payeeCombo->text(desc_i), legend_font, canvas);
				break;
			}
			case 15: {
				if(current_payee.isEmpty()) legend_text= new QCanvasText(i18n("No payer"), legend_font, canvas);
				else legend_text= new QCanvasText(current_payee, legend_font, canvas);
				break;
			}
			case 16: {
				if(current_payee.isEmpty()) legend_text= new QCanvasText(i18n("No payee"), legend_font, canvas);
				else legend_text= new QCanvasText(current_payee, legend_font, canvas);
				break;
			}
			case 19: {
				QString str1, str2;
				if(current_payee.isEmpty() && current_description.isEmpty()) {str1 = i18n("No description"); str2 = i18n("no payer");}
				else if(current_payee.isEmpty()) {str1 = current_description; str2 = i18n("no payer");}
				else if(current_description.isEmpty()) {str1 = i18n("No description"); str2 = current_payee;}
				else {str1 = current_description; str2 = current_payee;}
				legend_text= new QCanvasText(i18n("%1: Description; %2: Payer", "%1/%2").arg(str1).arg(str2), legend_font, canvas);
				break;
			}
			case 20: {
				QString str1, str2;
				if(current_payee.isEmpty() && current_description.isEmpty()) {str1 = i18n("No description"); str2 = i18n("no payee");}
				else if(current_payee.isEmpty()) {str1 = current_description; str2 = i18n("no payee");}
				else if(current_description.isEmpty()) {str1 = i18n("No description"); str2 = current_payee;}
				else {str1 = current_description; str2 = current_payee;}
				legend_text= new QCanvasText(i18n("%1: Description; %2: Payee", "%1/%2").arg(str1).arg(str2), legend_font, canvas);
				break;
			}
		}
		if(legend_text->boundingRect().width() > text_width) text_width = legend_text->boundingRect().width();
		legend_text->setColor(Qt::black);
		legend_text->move(legend_x + 10 + fh + 5, legend_y + 10 + (fh + 5) * index);
		legend_text->show();
		index++;
		if(source_org == 7 || source_org == 11) desc_i++;
		else if(source_org == 3) account = budget->incomesAccounts.next();
		else if(source_org == 4) account = budget->expensesAccounts.next();
		else if(source_org == 0 && monthly_values != &monthly_expenses) {monthly_values = &monthly_expenses;}
		else break;
	}

	QCanvasRectangle *legend_outline = new QCanvasRectangle(legend_x, legend_y, 10 + fh + 5 + text_width + 10, 10 + ((fh + 5) * index) + 5, canvas);
	legend_outline->setPen(QPen(Qt::black));
	legend_outline->show();

	double ratio = (double) view->visibleWidth() / (double) view->visibleHeight();
	min_width = (int) ceil(legend_outline->x() + legend_outline->width() + margin);
	min_height = (int) ceil(legend_outline->y() + legend_outline->height() + margin);
	if(min_height < chart_height + axis_height + chart_y + margin) min_height = chart_height + axis_height + chart_y + margin;
	int height, width;
	if(floor(min_height * ratio) < min_width) {
		height = (int) floor(min_width / ratio);
		width = min_width;
	} else {
		height = min_height;
		width = (int) floor(min_height * ratio);
	}
	canvas->resize(width, height);
	canvas->update();
	QWMatrix mx;
	mx.scale((double) view->visibleWidth() / (double) width, (double) view->visibleHeight() / (double) height);
	view->setWorldMatrix(mx);
	view->setCanvas(canvas);
	if(oldcanvas) {
		delete oldcanvas;
	}
	if(current_source == 7 || current_source == 8 || current_source == 17 || current_source == 18) {
		if(has_empty_description) descriptionCombo->changeItem(i18n("No description"), descriptionCombo->count() - 1);
	} else if(current_source == 12 || current_source == 14) {
		if(has_empty_payee) payeeCombo->changeItem(i18n("No payee"), payeeCombo->count() - 1);
	} else if(current_source == 11 || current_source == 13) {
		if(has_empty_payee) payeeCombo->changeItem(i18n("No payer"), payeeCombo->count() - 1);
	}	
}

void OverTimeChart::resizeEvent(QResizeEvent*) {
	if(canvas) {
		double ratio = (double) view->visibleWidth() / (double) view->visibleHeight();
		int height, width;
		if(floor(min_height * ratio) < min_width) {
			height = (int) floor(min_width / ratio);
			width = min_width;
		} else {
			height = min_height;
			width = (int) floor(min_height * ratio);
		}
		canvas->resize(width, height);
		QWMatrix mx;
		mx.scale((double) view->visibleWidth() / (double) width, (double) view->visibleHeight() / (double) height);
		view->setWorldMatrix(mx);
	}
}

void OverTimeChart::updateTransactions() {
	if(descriptionCombo->isEnabled() && current_account) {
		bool b_income = (current_account->type() == ACCOUNT_TYPE_INCOMES);
		int curindex = descriptionCombo->currentItem();
		if(curindex > 1) {
			curindex = 0;
		}		
		int curindex_p = 0;
		if(b_extra) {
			curindex_p = payeeCombo->currentItem();
			if(curindex_p > 1) {
				curindex_p = 0;
			}
		}
		descriptionCombo->blockSignals(true);
		descriptionCombo->clear();
		descriptionCombo->insertItem(i18n("All Descriptions Combined"));
		descriptionCombo->insertItem(i18n("All Descriptions Split"));
		if(b_extra) {
			if(b_income) payeeCombo->insertItem(i18n("All Payers Combined"));
			else payeeCombo->insertItem(i18n("All Payees Combined"));
			if(b_income) payeeCombo->insertItem(i18n("All Payers Split"));
			else payeeCombo->insertItem(i18n("All Payees Split"));
		}
		has_empty_description = false;
		has_empty_payee = false;
		QMap<QString, bool> descriptions, payees;
		Transaction *trans = budget->transactions.first();
		while(trans) {
			if((trans->fromAccount() == current_account || trans->toAccount() == current_account)) {
				if(trans->description().isEmpty()) has_empty_description = true;
				else descriptions[trans->description()] = true;
				if(b_extra) {
					if(trans->type() == TRANSACTION_TYPE_EXPENSE) {
						if(((Expense*) trans)->payee().isEmpty()) has_empty_payee = true;
						else payees[((Expense*) trans)->payee()] = true;
					} else if(trans->type() == TRANSACTION_TYPE_INCOME) {
						if(((Income*) trans)->payer().isEmpty()) has_empty_payee = true;
						else payees[((Income*) trans)->payer()] = true;
					}
				}
			}
			trans = budget->transactions.next();
		}
		QMap<QString, bool>::iterator it_e = descriptions.end();
		int i = 2;
		for(QMap<QString, bool>::iterator it = descriptions.begin(); it != it_e; ++it) {
			if((current_source == 9 || current_source == 10 || current_source == 13 || current_source == 14 || current_source == 19 || current_source == 20) && it.key() == current_description) {
				curindex = i;
			}
			descriptionCombo->insertItem(it.key());
			i++;
		}
		if(has_empty_description) {
			if((current_source == 9 || current_source == 10 || current_source == 13 || current_source == 14 || current_source == 19 || current_source == 20) && current_description.isEmpty()) curindex = i;
			descriptionCombo->insertItem(i18n("No description"));
		}
		if(b_extra) {
			i = 2;
			QMap<QString, bool>::iterator it2_e = payees.end();
			for(QMap<QString, bool>::iterator it2 = payees.begin(); it2 != it2_e; ++it2) {
				if((current_source >= 15 || current_source <= 20) && it2.key() == current_payee) {
					curindex_p = i;
				}
				payeeCombo->insertItem(it2.key());
				i++;
			}
			if(has_empty_payee) {
				if((current_source >= 15 || current_source <= 20) && current_payee.isEmpty()) {
					curindex_p = i;
				}
				if(b_income) payeeCombo->insertItem(i18n("No payer"));
				else payeeCombo->insertItem(i18n("No payee"));
			}
		}
		if(curindex < descriptionCombo->count()) {
			descriptionCombo->setCurrentItem(curindex);
		}
		if(b_extra && curindex_p < payeeCombo->count()) {
			payeeCombo->setCurrentItem(curindex_p);
		}		
		int d_index = descriptionCombo->currentItem();
		int p_index = 0;
		if(b_extra) p_index = payeeCombo->currentItem();
		if(d_index <= 1) current_description = "";
		if(p_index <= 1) current_payee = "";
		if(d_index == 0) {
			if(p_index == 0) current_source = b_income ? 5 : 6;
			else if(p_index == 1) current_source = b_income ? 11 : 12;
			else current_source = b_income ? 15 : 16;
		} else if(d_index == 1) {
			if(p_index == 0) current_source = b_income ? 7 : 8;
			else current_source = b_income ? 17 : 18;
		} else {
			if(p_index == 0) current_source = b_income ? 9 : 10;
			else if(p_index == 1) current_source = b_income ? 13 : 14;
			else current_source = b_income ? 19 : 20;
		}
		descriptionCombo->blockSignals(false);
		if(b_extra) payeeCombo->blockSignals(false);
	}
	updateDisplay();
}
void OverTimeChart::updateAccounts() {
	if(categoryCombo->isEnabled()) {
		int curindex = categoryCombo->currentItem();
		if(curindex > 1) {
			curindex = 1;
		}
		categoryCombo->blockSignals(true);
		descriptionCombo->blockSignals(true);
		if(b_extra) payeeCombo->blockSignals(true);
		categoryCombo->clear();
		categoryCombo->insertItem(i18n("All Categories Combined"));
		categoryCombo->insertItem(i18n("All Categories Split"));
		int i = 2;
		if(sourceCombo->currentItem() == 2) {
			Account *account = budget->expensesAccounts.first();
			while(account) {
				categoryCombo->insertItem(account->name());
				if(account == current_account) curindex = i;
				account = budget->expensesAccounts.next();
				i++;
			}
		} else {
			Account *account = budget->incomesAccounts.first();
			while(account) {
				categoryCombo->insertItem(account->name());
				if(account == current_account) curindex = i;
				account = budget->incomesAccounts.next();
				i++;
			}
		}
		if(curindex < categoryCombo->count()) categoryCombo->setCurrentItem(curindex);
		if(curindex <= 1) {
			descriptionCombo->clear();
			descriptionCombo->setEnabled(false);
			descriptionCombo->insertItem(i18n("All Descriptions Combined"));
			if(b_extra) {
				payeeCombo->clear();
				payeeCombo->setEnabled(false);
				if(sourceCombo->currentItem() == 3) payeeCombo->insertItem(i18n("All Payees Combined"));
				else payeeCombo->insertItem(i18n("All Payers Combined"));
			}
			descriptionCombo->setEnabled(false);
			if(b_extra) payeeCombo->setEnabled(false);
		}
		if(curindex == 0) {
			if(sourceCombo->currentItem() == 3) {
				current_source = 1;
			} else {
				current_source = 2;
			}
		} else if(curindex == 1) {
			if(sourceCombo->currentItem() == 3) {
				current_source = 3;
			} else {
				current_source = 4;
			}
		}
		categoryCombo->blockSignals(false);
		descriptionCombo->blockSignals(false);
		if(b_extra) payeeCombo->blockSignals(false);
	}
	updateDisplay();
}


#include "overtimechart.moc"