#include "ScreenSettingsDialog.h"
#include "Screen.h"

#include <QtCore>
#include <QtGui>

ScreenSettingsDialog::ScreenSettingsDialog(QWidget* parent, Screen* pScreen) :
	QDialog(parent, Qt::WindowTitleHint | Qt::WindowSystemMenuHint),
	Ui::ScreenSettingsDialogBase(),
	m_pScreen(pScreen)
{
	setupUi(this);

	QRegExp validScreenName("[a-z_][a-z0-9\\._-]{,31}", Qt::CaseInsensitive);

	m_pLineEditName->setText(m_pScreen->name());
	m_pLineEditName->setValidator(new QRegExpValidator(validScreenName, m_pLineEditName));
	m_pLineEditName->selectAll();

	m_pLineEditAlias->setValidator(new QRegExpValidator(validScreenName, m_pLineEditName));

	for (int i = 0; i < m_pScreen->aliases().count(); i++)
		new QListWidgetItem(m_pScreen->aliases()[i], m_pListAliases);

	m_pComboBoxShift->setCurrentIndex(m_pScreen->modifier(Screen::Shift));
	m_pComboBoxCtrl->setCurrentIndex(m_pScreen->modifier(Screen::Ctrl));
	m_pComboBoxAlt->setCurrentIndex(m_pScreen->modifier(Screen::Alt));
	m_pComboBoxMeta->setCurrentIndex(m_pScreen->modifier(Screen::Meta));
	m_pComboBoxSuper->setCurrentIndex(m_pScreen->modifier(Screen::Super));

	m_pCheckBoxCornerTopLeft->setChecked(m_pScreen->switchCorner(Screen::TopLeft));
	m_pCheckBoxCornerTopRight->setChecked(m_pScreen->switchCorner(Screen::TopRight));
	m_pCheckBoxCornerBottomLeft->setChecked(m_pScreen->switchCorner(Screen::BottomLeft));
	m_pCheckBoxCornerBottomRight->setChecked(m_pScreen->switchCorner(Screen::BottomRight));
	m_pSpinBoxSwitchCornerSize->setValue(m_pScreen->switchCornerSize());

	m_pCheckBoxCapsLock->setChecked(m_pScreen->fix(Screen::CapsLock));
	m_pCheckBoxNumLock->setChecked(m_pScreen->fix(Screen::NumLock));
	m_pCheckBoxScrollLock->setChecked(m_pScreen->fix(Screen::ScrollLock));
	m_pCheckBoxXTest->setChecked(m_pScreen->fix(Screen::XTest));
}

void ScreenSettingsDialog::accept()
{
	if (m_pLineEditName->text().isEmpty())
	{
		QMessageBox::warning(this, tr("Screen name is empty"), tr("The name for a screen can not be empty. Please fill in a name or cancel the dialog."));
		return;
	}

	m_pScreen->init();

	m_pScreen->setName(m_pLineEditName->text());

	for (int i = 0; i < m_pListAliases->count(); i++)
		m_pScreen->addAlias(m_pListAliases->item(i)->text());

	m_pScreen->setModifier(Screen::Shift, m_pComboBoxShift->currentIndex());
	m_pScreen->setModifier(Screen::Ctrl, m_pComboBoxCtrl->currentIndex());
	m_pScreen->setModifier(Screen::Alt, m_pComboBoxAlt->currentIndex());
	m_pScreen->setModifier(Screen::Meta, m_pComboBoxMeta->currentIndex());
	m_pScreen->setModifier(Screen::Super, m_pComboBoxSuper->currentIndex());

	m_pScreen->setSwitchCorner(Screen::TopLeft, m_pCheckBoxCornerTopLeft->isChecked());
	m_pScreen->setSwitchCorner(Screen::TopRight, m_pCheckBoxCornerTopRight->isChecked());
	m_pScreen->setSwitchCorner(Screen::BottomLeft, m_pCheckBoxCornerBottomLeft->isChecked());
	m_pScreen->setSwitchCorner(Screen::BottomRight, m_pCheckBoxCornerBottomRight->isChecked());
	m_pScreen->setSwitchCornerSize(m_pSpinBoxSwitchCornerSize->value());

	m_pScreen->setFix(Screen::CapsLock, m_pCheckBoxCapsLock->isChecked());
	m_pScreen->setFix(Screen::NumLock, m_pCheckBoxNumLock->isChecked());
	m_pScreen->setFix(Screen::ScrollLock, m_pCheckBoxScrollLock->isChecked());
	m_pScreen->setFix(Screen::XTest, m_pCheckBoxXTest->isChecked());

	QDialog::accept();
}

void ScreenSettingsDialog::on_m_pButtonAddAlias_clicked()
{
	if (!m_pLineEditAlias->text().isEmpty() && m_pListAliases->findItems(m_pLineEditAlias->text(), Qt::MatchFixedString).isEmpty())
	{
		new QListWidgetItem(m_pLineEditAlias->text(), m_pListAliases);
		m_pLineEditAlias->clear();
	}
}

void ScreenSettingsDialog::on_m_pLineEditAlias_textChanged(const QString& text)
{
	m_pButtonAddAlias->setEnabled(!text.isEmpty());
}

void ScreenSettingsDialog::on_m_pButtonRemoveAlias_clicked()
{
	QList<QListWidgetItem*> items = m_pListAliases->selectedItems();

	for (int i = 0; i < items.count(); i++)
		delete items[i];
}

void ScreenSettingsDialog::on_m_pListAliases_itemSelectionChanged()
{
	m_pButtonRemoveAlias->setEnabled(!m_pListAliases->selectedItems().isEmpty());
}