#include "toonzqt/filefield.h"
#include "toonzqt/dvdialog.h"
#include "toonzqt/gutil.h"
#include "toonzqt/lineedit.h"
#include "tfilepath.h"

#include <QHBoxLayout>
#include <QPushButton>
#include <QFileDialog>

using namespace DVGui;

FileField::BrowserPopupController *FileField::m_browserPopupController = 0;

//=============================================================================
// FileField
//-----------------------------------------------------------------------------

FileField::FileField(QWidget *parent, QString path, bool readOnly)
	: QWidget(parent), m_filters(QStringList()), m_fileMode(QFileDialog::DirectoryOnly), m_lastSelectedPath(path)
{
	setMaximumHeight(WidgetHeight);

	m_field = new LineEdit(path);
	m_fileBrowseButton = new QPushButton(tr("..."));

	m_field->setReadOnly(readOnly);

	m_fileBrowseButton->setMinimumSize(20, WidgetHeight);
	m_fileBrowseButton->setObjectName("PushButton_NoPadding");

	QHBoxLayout *mainLayout = new QHBoxLayout();
	mainLayout->setMargin(0);
	mainLayout->setSpacing(1);
	{
		mainLayout->addWidget(m_field, 5);
		mainLayout->addWidget(m_fileBrowseButton, 1);
	}
	setLayout(mainLayout);

	//--- signal-slot connections
	if (!readOnly)
		connect(m_field, SIGNAL(editingFinished()), SIGNAL(pathChanged()));
	connect(m_fileBrowseButton, SIGNAL(pressed()), this, SLOT(browseDirectory()));
}

//-----------------------------------------------------------------------------

void FileField::setFileMode(const QFileDialog::FileMode &fileMode)
{
	m_fileMode = fileMode;
}

//-----------------------------------------------------------------------------

void FileField::setFilters(const QStringList &filters)
{
	m_filters = filters;
}

//-----------------------------------------------------------------------------

QString FileField::getPath()
{
	return m_field->text();
}

//-----------------------------------------------------------------------------

void FileField::setPath(const QString &path)
{
	m_field->setText(path);
	m_lastSelectedPath = path;
}

//-----------------------------------------------------------------------------

void FileField::setBrowserPopupController(BrowserPopupController *controller)
{
	m_browserPopupController = controller;
}

//-----------------------------------------------------------------------------

FileField::BrowserPopupController *FileField::getBrowserPopupController()
{
	return m_browserPopupController;
}

//-----------------------------------------------------------------------------

void FileField::browseDirectory()
{
	if (!m_fileBrowseButton->hasFocus())
		return;
	QString directory = QString();

	if (!m_browserPopupController)
		return;
	m_browserPopupController->openPopup(m_filters, (m_fileMode == QFileDialog::DirectoryOnly), m_lastSelectedPath);
	if (m_browserPopupController->isExecute())
		directory = m_browserPopupController->getPath();

	if (!directory.isEmpty()) {
		setPath(directory);
		m_lastSelectedPath = directory;
		emit pathChanged();
		return;
	}
}