/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** 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
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once

#include <documentwarningwidget.h>

#include <coreplugin/icontext.h>

#include <QWidget>
#include <QPointer>

QT_BEGIN_NAMESPACE
class QActionGroup;
QT_END_NAMESPACE

namespace QmlDesigner {

class ZoomAction;
class LineEditAction;
class BackgroundAction;
class FormEditorView;
class FormEditorScene;
class FormEditorGraphicsView;
class ToolBox;
class QmlItemNode;

class FormEditorWidget : public QWidget
{
    Q_OBJECT
public:
    FormEditorWidget(FormEditorView *view);

    ZoomAction *zoomAction() const;
    QAction *showBoundingRectAction() const;
    QAction *snappingAction() const;
    QAction *snappingAndAnchoringAction() const;
    QAction *resetAction() const;

    void setScene(FormEditorScene *scene);
    ToolBox *toolBox() const;

    double spacing() const;
    double containerPadding() const;

    void contextHelp(const Core::IContext::HelpCallback &callback) const;

    void setRootItemRect(const QRectF &rect);
    QRectF rootItemRect() const;

    void updateActions();

    void resetView();
    void centerScene();

    void setFocus();

    void showErrorMessageBox(const QList<DocumentMessage> &errors);
    void hideErrorMessageBox();

    void showWarningMessageBox(const QList<DocumentMessage> &warnings);

    void exportAsImage(const QRectF &boundingRect);

    FormEditorGraphicsView *graphicsView() const;

protected:
    void wheelEvent(QWheelEvent *event) override;
    QActionGroup *toolActionGroup() const;
    DocumentWarningWidget *errorWidget();

private:
    void changeTransformTool(bool checked);
    void setZoomLevel(double zoomLevel);
    void changeRootItemWidth(const QString &widthText);
    void changeRootItemHeight(const QString &heightText);
    void changeBackgound(const QColor &color);
    void registerActionAsCommand(QAction *action, Core::Id id, const QKeySequence &keysequence);

    QPointer<FormEditorView> m_formEditorView;
    QPointer<FormEditorGraphicsView> m_graphicsView;
    QPointer<ZoomAction> m_zoomAction;
    QPointer<ToolBox> m_toolBox;
    QPointer<QAction> m_transformToolAction;
    QPointer<QActionGroup> m_toolActionGroup;
    QPointer<QAction> m_snappingAction;
    QPointer<QAction> m_snappingAndAnchoringAction;
    QPointer<QAction> m_noSnappingAction;
    QPointer<QAction> m_showBoundingRectAction;
    QPointer<LineEditAction> m_rootWidthAction;
    QPointer<LineEditAction> m_rootHeightAction;
    QPointer<BackgroundAction> m_backgroundAction;
    QPointer<QAction> m_resetAction;
    QPointer<DocumentWarningWidget> m_documentErrorWidget;
    Core::IContext *m_context = nullptr;
};

} // namespace QmlDesigner
