/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
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** This file is part of Qt Creator.
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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#include "coreconstants.h"
#include "coreicons.h"
#include "editmode.h"
#include "icore.h"
#include "modemanager.h"
#include "minisplitter.h"
#include "navigationwidget.h"
#include "outputpane.h"
#include "rightpane.h"
#include <coreplugin/editormanager/editormanager.h>
#include <coreplugin/editormanager/ieditor.h>

#include <QLatin1String>
#include <QHBoxLayout>
#include <QWidget>
#include <QIcon>

namespace Core {
namespace Internal {

EditMode::EditMode() :
    m_splitter(new MiniSplitter),
    m_rightSplitWidgetLayout(new QVBoxLayout)
{
    setObjectName(QLatin1String("EditMode"));
    setDisplayName(tr("Edit"));
    setIcon(Utils::Icon::modeIcon(Icons::MODE_EDIT_CLASSIC,
                                  Icons::MODE_EDIT_FLAT, Icons::MODE_EDIT_FLAT_ACTIVE));
    setPriority(Constants::P_MODE_EDIT);
    setId(Constants::MODE_EDIT);

    m_rightSplitWidgetLayout->setSpacing(0);
    m_rightSplitWidgetLayout->setMargin(0);
    QWidget *rightSplitWidget = new QWidget;
    rightSplitWidget->setLayout(m_rightSplitWidgetLayout);
    auto editorPlaceHolder = new EditorManagerPlaceHolder;
    m_rightSplitWidgetLayout->insertWidget(0, editorPlaceHolder);

    auto rightPaneSplitter = new MiniSplitter;
    rightPaneSplitter->insertWidget(0, rightSplitWidget);
    rightPaneSplitter->insertWidget(1, new RightPanePlaceHolder(Constants::MODE_EDIT));
    rightPaneSplitter->setStretchFactor(0, 1);
    rightPaneSplitter->setStretchFactor(1, 0);

    auto splitter = new MiniSplitter;
    splitter->setOrientation(Qt::Vertical);
    splitter->insertWidget(0, rightPaneSplitter);
    QWidget *outputPane = new OutputPanePlaceHolder(Constants::MODE_EDIT, splitter);
    outputPane->setObjectName(QLatin1String("EditModeOutputPanePlaceHolder"));
    splitter->insertWidget(1, outputPane);
    splitter->setStretchFactor(0, 3);
    splitter->setStretchFactor(1, 0);

    m_splitter->insertWidget(0, new NavigationWidgetPlaceHolder(Constants::MODE_EDIT, Side::Left));
    m_splitter->insertWidget(1, splitter);
    m_splitter->insertWidget(2, new NavigationWidgetPlaceHolder(Constants::MODE_EDIT, Side::Right));
    m_splitter->setStretchFactor(0, 0);
    m_splitter->setStretchFactor(1, 1);
    m_splitter->setStretchFactor(2, 0);

    connect(ModeManager::instance(), &ModeManager::currentModeChanged,
            this, &EditMode::grabEditorManager);
    m_splitter->setFocusProxy(editorPlaceHolder);

    auto modeContextObject = new IContext(this);
    modeContextObject->setContext(Context(Constants::C_EDITORMANAGER));
    modeContextObject->setWidget(m_splitter);
    ICore::addContextObject(modeContextObject);

    setWidget(m_splitter);
    setContext(Context(Constants::C_EDIT_MODE,
                       Constants::C_NAVIGATION_PANE));
}

EditMode::~EditMode()
{
    delete m_splitter;
}

void EditMode::grabEditorManager(Id mode)
{
    if (mode != id())
        return;

    if (EditorManager::currentEditor())
        EditorManager::currentEditor()->widget()->setFocus();
}

} // namespace Internal
} // namespace Core
