/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact:  Qt Software Information (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
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**************************************************************************/

#include "registerwindow.h"

#include "debuggeractions.h"
#include "debuggerconstants.h"

#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
#include <QtCore/QFileInfoList>

#include <QtGui/QAction>
#include <QtGui/QHeaderView>
#include <QtGui/QMenu>
#include <QtGui/QResizeEvent>
#include <QtGui/QToolButton>


using namespace Debugger::Internal;
using namespace Debugger::Constants;

RegisterWindow::RegisterWindow()
  : m_alwaysResizeColumnsToContents(true), m_alwaysReloadContents(false)
{
    QAction *act = theDebuggerAction(UseAlternatingRowColors);
    setWindowTitle(tr("Registers"));
    setSortingEnabled(true);
    setAlternatingRowColors(act->isChecked());
    setRootIsDecorated(false);

    connect(act, SIGNAL(toggled(bool)),
        this, SLOT(setAlternatingRowColorsHelper(bool)));
}

void RegisterWindow::resizeEvent(QResizeEvent *ev)
{
    QTreeView::resizeEvent(ev);
}

void RegisterWindow::contextMenuEvent(QContextMenuEvent *ev)
{
    enum { Adjust, AlwaysAdjust, Reload, AlwaysReload, Count };

    QMenu menu;
    QAction *actions[Count];
    //QString format = model()->property(PROPERTY_REGISTER_FORMAT).toString();
    //qDebug() << "FORMAT: " << format;

    actions[Adjust] = menu.addAction(tr("Adjust column widths to contents"));

    actions[AlwaysAdjust] = menu.addAction(tr("Always adjust column widths to contents"));
    actions[AlwaysAdjust]->setCheckable(true);
    actions[AlwaysAdjust]->setChecked(m_alwaysResizeColumnsToContents);

    actions[Reload] = menu.addAction(tr("Reload register listing"));

    actions[AlwaysReload] = menu.addAction(tr("Always reload register listing"));
    actions[AlwaysReload]->setCheckable(true);
    actions[AlwaysReload]->setChecked(m_alwaysReloadContents);

    menu.addSeparator();
    menu.addAction(theDebuggerAction(FormatHexadecimal));
    menu.addAction(theDebuggerAction(FormatDecimal));
    menu.addAction(theDebuggerAction(FormatOctal));
    menu.addAction(theDebuggerAction(FormatBinary));
    menu.addAction(theDebuggerAction(FormatRaw));
    menu.addAction(theDebuggerAction(FormatNatural));

    menu.addSeparator();
    menu.addAction(theDebuggerAction(SettingsDialog));

    QAction *act = menu.exec(ev->globalPos());

    if (act == actions[Adjust])
        resizeColumnsToContents();
    else if (act == actions[AlwaysAdjust])
        setAlwaysResizeColumnsToContents(!m_alwaysResizeColumnsToContents);
    else if (act == actions[Reload])
        reloadContents();
    else if (act == actions[AlwaysReload])
        setAlwaysReloadContents(!m_alwaysReloadContents);
}

void RegisterWindow::resizeColumnsToContents()
{
    resizeColumnToContents(0);
    resizeColumnToContents(1);
}

void RegisterWindow::setAlwaysResizeColumnsToContents(bool on)
{
    m_alwaysResizeColumnsToContents = on;
    QHeaderView::ResizeMode mode = on
        ? QHeaderView::ResizeToContents : QHeaderView::Interactive;
    header()->setResizeMode(0, mode);
    header()->setResizeMode(1, mode);
}

void RegisterWindow::setAlwaysReloadContents(bool on)
{
    m_alwaysReloadContents = on;
    if (m_alwaysReloadContents)
        reloadContents();
}

void RegisterWindow::reloadContents()
{
    emit reloadRegisterRequested();
}


void RegisterWindow::setModel(QAbstractItemModel *model)
{
    QTreeView::setModel(model);
    setAlwaysResizeColumnsToContents(true);
}