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** Copyright (c) 2012 Konstantin Tokarev.
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#include "commandbutton.h"

#include <coreplugin/actionmanager/actionmanager.h>
#include <coreplugin/actionmanager/command.h>
#include <utils/proxyaction.h>

using namespace Core;

/*!
    \class Core::CommandButton

    \brief A tool button associated with one of registered Command objects.

    Tooltip of this button consists of toolTipBase property value and Command's
    key sequence which is automatically updated when user changes it.
 */

CommandButton::CommandButton(QWidget *parent)
    : QToolButton(parent)
    , m_command(0)
{
}

CommandButton::CommandButton(Id id, QWidget *parent)
    : QToolButton(parent)
    , m_command(0)
{
    setCommandId(id);
}

void CommandButton::setCommandId(Id id)
{
    if (m_command)
        disconnect(m_command, SIGNAL(keySequenceChanged()), this, SLOT(updateToolTip()));

    m_command = ActionManager::command(id);

    if (m_toolTipBase.isEmpty())
        m_toolTipBase = m_command->description();

    updateToolTip();
    connect(m_command, SIGNAL(keySequenceChanged()), this, SLOT(updateToolTip()));
}

QString CommandButton::toolTipBase() const
{
    return m_toolTipBase;
}

void CommandButton::setToolTipBase(const QString &toolTipBase)
{
    m_toolTipBase = toolTipBase;
    updateToolTip();
}

void CommandButton::updateToolTip()
{
    if (m_command)
        setToolTip(Utils::ProxyAction::stringWithAppendedShortcut(m_toolTipBase,
                                                                  m_command->keySequence()));
}