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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0

#include "editorwidget.h"

#include "formeditor.h"
#include "formeditorstack.h"
#include "formwindoweditor.h"

#include <utils/layoutbuilder.h>

#include <coreplugin/editormanager/ieditor.h>
#include <coreplugin/editortoolbar.h>

#include <QDockWidget>
#include <QAbstractItemView>

using namespace Designer::Constants;

namespace Designer {
namespace Internal {

// ---------- EditorWidget

EditorWidget::EditorWidget(Core::EditorToolBar *toolBar, QWidget *parent)
    : Utils::FancyMainWindow(parent)
    , m_stack(new FormEditorStack)
    , m_toolBar(toolBar)
{
    using namespace Layouting;
    QWidget *centralWidget = Layouting::Column{noMargin, spacing(0), m_toolBar, m_stack}.emerge();
    centralWidget->setMinimumHeight(100);
    centralWidget->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);

    setObjectName("EditorWidget");
    setCentralWidget(centralWidget);
    setDocumentMode(true);
    setTabPosition(Qt::AllDockWidgetAreas, QTabWidget::South);
    setCorner(Qt::BottomLeftCorner, Qt::LeftDockWidgetArea);
    setCorner(Qt::BottomRightCorner, Qt::RightDockWidgetArea);

    QWidget * const * subs = designerSubWindows();
    for (int i = 0; i < DesignerSubWindowCount; i++) {
        QWidget *subWindow = subs[i];
        subWindow->setWindowTitle(subs[i]->windowTitle());
        m_designerDockWidgets[i] = addDockForWidget(subWindow);

        // Since we have 1-pixel splitters, we generally want to remove
        // frames around item views. So we apply this hack for now.
        QList<QAbstractItemView*> frames = subWindow->findChildren<QAbstractItemView*>();
        for (int i = 0 ; i< frames.count(); ++i)
            frames[i]->setFrameStyle(QFrame::NoFrame);

    }
    resetToDefaultLayout();
}

void EditorWidget::resetToDefaultLayout()
{
    setTrackingEnabled(false);
    const QList<QDockWidget *> dockWidgetList = dockWidgets();
    for (QDockWidget *dockWidget : dockWidgetList) {
        dockWidget->setFloating(false);
        removeDockWidget(dockWidget);
    }

    addDockWidget(Qt::LeftDockWidgetArea, m_designerDockWidgets[WidgetBoxSubWindow]);
    addDockWidget(Qt::RightDockWidgetArea, m_designerDockWidgets[ObjectInspectorSubWindow]);
    addDockWidget(Qt::RightDockWidgetArea, m_designerDockWidgets[PropertyEditorSubWindow]);
    addDockWidget(Qt::BottomDockWidgetArea, m_designerDockWidgets[ActionEditorSubWindow]);
    addDockWidget(Qt::BottomDockWidgetArea, m_designerDockWidgets[SignalSlotEditorSubWindow]);

    tabifyDockWidget(m_designerDockWidgets[ActionEditorSubWindow],
                     m_designerDockWidgets[SignalSlotEditorSubWindow]);

    for (QDockWidget *dockWidget : dockWidgetList)
        dockWidget->show();

    setTrackingEnabled(true);
}

QDockWidget* const* EditorWidget::designerDockWidgets() const
{
    return m_designerDockWidgets;
}

void EditorWidget::add(SharedTools::WidgetHost *widgetHost, FormWindowEditor *formWindowEditor)
{
    EditorData data;
    data.formWindowEditor = formWindowEditor;
    data.widgetHost = widgetHost;
    m_stack->add(data);
    m_toolBar->addEditor(formWindowEditor);
}

void EditorWidget::removeFormWindowEditor(Core::IEditor *xmlEditor)
{
    m_stack->removeFormWindowEditor(xmlEditor);
}

bool EditorWidget::setVisibleEditor(Core::IEditor *xmlEditor)
{
    return m_stack->setVisibleEditor(xmlEditor);
}

SharedTools::WidgetHost *EditorWidget::formWindowEditorForXmlEditor(const Core::IEditor *xmlEditor) const
{
    return m_stack->formWindowEditorForXmlEditor(xmlEditor);
}

EditorData EditorWidget::activeEditor() const
{
    return m_stack->activeEditor();
}

SharedTools::WidgetHost *EditorWidget::formWindowEditorForFormWindow(const QDesignerFormWindowInterface *fw) const
{
    return m_stack->formWindowEditorForFormWindow(fw);
}

} // namespace Internal
} // namespace Designer