#include "DefaultModelSceneWidget.h"


/**
 * Default constructor.
 *
 */
DefaultModelSceneWidget::DefaultModelSceneWidget(SceneInterface *plugin, QWidget* pParent, Qt::WFlags flag): SceneWidget(plugin, pParent, flag), m_content(plugin)
{
    setupUi (this);
    updateGUI();
}


/**
 * Destructor.
 *
 */
DefaultModelSceneWidget::~DefaultModelSceneWidget()
{
}


/**
 * Updates the widget.
 *
 * This method can be used it two ways: to force a refresh or to update the
 * data of the widget.
 *
 * @param content A const pointer on the contents to be used for the widget.
 *                This contents will be duplicated in the widget. If content
 *                is NULL, the current content are used and the refresh is
 *                forced. If no content are given, NULL is used.
 *
 */
void DefaultModelSceneWidget::updateGUI(const SceneContent* _content)
{
    if (_content)
    {
	const DefaultModelSceneContent *content = static_cast<const DefaultModelSceneContent*>(_content);
	Q_ASSERT(NULL!=content); // <-- Assume that the conversion was successful
	m_content.copy_from(*content);
    }
    // From now, we will only use m_content
    modelFileNameEdit->setText(m_content.fileName());
    modelCullingCheckBox->setChecked(m_content.backFaceCulling());
    modelSmoothingCheckBox->setChecked(m_content.smoothing());
}


/**
 * [private slot] Called when the "filename" field is edited.
 *
 */
void DefaultModelSceneWidget::on_modelFileNameEdit_editingFinished()
{
    QString fileName = modelFileNameEdit->text();
    if (fileName!=m_content.fileName())
    {
	m_content.setFileName(fileName);
	emit dataChanged(m_content);
    }
}


/**
 * [private slot] Called when the "browse" button is pressed.
 *
 */
void DefaultModelSceneWidget::on_modelBrowseButton_clicked()
{
    QString fileName = QFileDialog::getOpenFileName(this, "Choose a file to open", modelFileNameEdit->text(), "Model files (*.obj)");
    if (!fileName.isEmpty()) {
        modelFileNameEdit->setText(fileName);
        on_modelFileNameEdit_editingFinished();
    }
}


/**
 * [private slot] Called when the culling checkbox state changes.
 *
 * @param checked true if the checkbox is checked.
 *
 */
void DefaultModelSceneWidget::on_modelCullingCheckBox_toggled(bool checked)
{
    if (checked!=m_content.backFaceCulling())
    {
	m_content.setBackFaceCulling(checked);
	emit dataChanged(m_content);
    }
}


/**
 * [private slot] Called when the smooth checkbox state changes.
 *
 * @param checked true if the checkbox is checked.
 *
 */
void DefaultModelSceneWidget::on_modelSmoothingCheckBox_toggled(bool checked)
{
    if (checked!=m_content.smoothing())
    {
	m_content.setSmoothing(checked);
	emit dataChanged(m_content);
    }
}