#include "toonzqt/filefield.h"

#include "toonzqt/dvdialog.h"

#include "toonzqt/gutil.h"

#include "toonzqt/lineedit.h"

#include "tfilepath.h"

#include <qhboxlayout></qhboxlayout>

#include <qpushbutton></qpushbutton>

#include <qfiledialog></qfiledialog>

using namespace DVGui;

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

//=============================================================================

// FileField

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

FileField::FileField(QWidget *parent, QString path, bool readOnly,

                     bool doNotBrowseInitialPath)

    : 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");

  // if the initial text is not path, set the string here and prevent browsing

  if (doNotBrowseInitialPath) m_descriptionText = path;

  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 == m_descriptionText) ? "" : m_lastSelectedPath,

      this);

  if (m_browserPopupController->isExecute())

    directory = m_browserPopupController->getPath();

  if (!directory.isEmpty()) {

    setPath(directory);

    m_lastSelectedPath = directory;

    emit pathChanged();

    return;

  }

}