/****************************************************************************

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** contained in the Technology Preview License Agreement accompanying

** this package.

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****************************************************************************/

#include "loggerwidget.h"

#include <qglobal.h>

#include <QDebug>

#include <QSettings>

#include <QActionGroup>

#include <QMenu>

QT_BEGIN_NAMESPACE

LoggerWidget::LoggerWidget(QWidget *parent) :

    QPlainTextEdit(parent),

    m_visibilityOrigin(SettingsOrigin)

{

    setAttribute(Qt::WA_QuitOnClose, false);

    setWindowTitle(tr("Warnings"));

    readSettings();

    setupPreferencesMenu();

}

void LoggerWidget::append(const QString &msg)

{

    appendPlainText(msg);

    if (!isVisible() && (defaultVisibility() == AutoShowWarnings))

        setVisible(true);

}

LoggerWidget::Visibility LoggerWidget::defaultVisibility() const

{

    return m_visibility;

}

void LoggerWidget::setDefaultVisibility(LoggerWidget::Visibility visibility)

{

    if (m_visibility == visibility)

        return;

    m_visibility = visibility;

    m_visibilityOrigin = CommandLineOrigin;

    m_preferencesMenu->setEnabled(m_visibilityOrigin == SettingsOrigin);

}

QMenu *LoggerWidget::preferencesMenu()

{

    return m_preferencesMenu;

}

QAction *LoggerWidget::showAction()

{

    return m_showWidgetAction;

}

void LoggerWidget::readSettings()

{

    QSettings settings;

    QString warningsPreferences = settings.value("warnings", "hide").toString();

    if (warningsPreferences == "show") {

        m_visibility = ShowWarnings;

    } else if (warningsPreferences == "hide") {

        m_visibility = HideWarnings;

    } else {

        m_visibility = AutoShowWarnings;

    }

}

void LoggerWidget::saveSettings()

{

    if (m_visibilityOrigin != SettingsOrigin)

        return;

    QString value = "autoShow";

    if (defaultVisibility() == ShowWarnings) {

        value = "show";

    } else if (defaultVisibility() == HideWarnings) {

        value = "hide";

    }

    QSettings settings;

    settings.setValue("warnings", value);

}

void LoggerWidget::warningsPreferenceChanged(QAction *action)

{

    Visibility newSetting = static_cast<Visibility>(action->data().toInt());

    m_visibility = newSetting;

    saveSettings();

}

void LoggerWidget::showEvent(QShowEvent *event)

{

    QWidget::showEvent(event);

    emit opened();

}

void LoggerWidget::closeEvent(QCloseEvent *event)

{

    QWidget::closeEvent(event);

    emit closed();

}

void LoggerWidget::setupPreferencesMenu()

{

    m_preferencesMenu = new QMenu(tr("Warnings"));

    QActionGroup *warnings = new QActionGroup(m_preferencesMenu);

    warnings->setExclusive(true);

    connect(warnings, SIGNAL(triggered(QAction*)), this, SLOT(warningsPreferenceChanged(QAction*)));

    QAction *showWarningsPreference = new QAction(tr("Show by default"), m_preferencesMenu);

    showWarningsPreference->setCheckable(true);

    showWarningsPreference->setData(LoggerWidget::ShowWarnings);

    warnings->addAction(showWarningsPreference);

    m_preferencesMenu->addAction(showWarningsPreference);

    QAction *hideWarningsPreference = new QAction(tr("Hide by default"), m_preferencesMenu);

    hideWarningsPreference->setCheckable(true);

    hideWarningsPreference->setData(LoggerWidget::HideWarnings);

    warnings->addAction(hideWarningsPreference);

    m_preferencesMenu->addAction(hideWarningsPreference);

    QAction *autoWarningsPreference = new QAction(tr("Show for first warning"), m_preferencesMenu);

    autoWarningsPreference->setCheckable(true);

    autoWarningsPreference->setData(LoggerWidget::AutoShowWarnings);

    warnings->addAction(autoWarningsPreference);

    m_preferencesMenu->addAction(autoWarningsPreference);

    switch (defaultVisibility()) {

    case LoggerWidget::ShowWarnings:

        showWarningsPreference->setChecked(true);

        break;

    case LoggerWidget::HideWarnings:

        hideWarningsPreference->setChecked(true);

        break;

    default:

        autoWarningsPreference->setChecked(true);

    }

}

QT_END_NAMESPACE