/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 */

#include <contentcontrolaliasbutton.hxx>

#include <basegfx/matrix/b2dhommatrixtools.hxx>

#include <basegfx/vector/b2dvector.hxx>

#include <drawinglayer/attribute/fontattribute.hxx>

#include <drawinglayer/primitive2d/textlayoutdevice.hxx>

#include <drawinglayer/primitive2d/textprimitive2d.hxx>

#include <drawinglayer/processor2d/baseprocessor2d.hxx>

#include <drawinglayer/processor2d/processor2dtools.hxx>

#include <vcl/metric.hxx>

#include <vcl/weld/Builder.hxx>

#include <HeaderFooterWin.hxx>

#include <edtwin.hxx>

#include <formatcontentcontrol.hxx>

#include <swabstdlg.hxx>

#include <view.hxx>

#include <viewopt.hxx>

#include <wrtsh.hxx>

constexpr tools::Long TEXT_PADDING = 3;

constexpr tools::Long BOX_DISTANCE = 3;

constexpr tools::Long BUTTON_WIDTH = 12;

SwContentControlAliasButton::SwContentControlAliasButton(SwEditWin* pEditWin,

                                                         const SwContentControl* pContentControl)

    : SwFrameMenuButtonBase(pEditWin, nullptr,

                            u"modules/swriter/ui/contentcontrolaliasbutton.ui"_ustr,

                            u"ContentControlAliasButton"_ustr)

    , m_xPushButton(m_xBuilder->weld_button(u"button"_ustr))

    , m_sLabel(pContentControl->GetAlias())

{

    m_xPushButton->set_accessible_name(m_sLabel);

    m_xPushButton->connect_clicked(LINK(this, SwContentControlAliasButton, ClickHdl));

    m_xVirDev = m_xPushButton->create_virtual_device();

    SetVirDevFont();

}

Unexecuted instantiation: SwContentControlAliasButton::SwContentControlAliasButton(SwEditWin*, SwContentControl const*)

Unexecuted instantiation: SwContentControlAliasButton::SwContentControlAliasButton(SwEditWin*, SwContentControl const*)

SwContentControlAliasButton::~SwContentControlAliasButton() { disposeOnce(); }

void SwContentControlAliasButton::dispose()

{

    m_xPushButton.reset();

    m_xVirDev.disposeAndClear();

    SwFrameMenuButtonBase::dispose();

}

void SwContentControlAliasButton::SetOffset(Point aTopLeftPixel)

{

    // Compute the text size and get the box position & size from it.

    tools::Rectangle aTextRect;

    m_xVirDev->GetTextBoundRect(aTextRect, m_sLabel);

    tools::Rectangle aTextPxRect = m_xVirDev->LogicToPixel(aTextRect);

    FontMetric aFontMetric = m_xVirDev->GetFontMetric(m_xVirDev->GetFont());

    Size aBoxSize(aTextPxRect.GetWidth() + BUTTON_WIDTH + TEXT_PADDING * 2,

                  aFontMetric.GetLineHeight() + TEXT_PADDING * 2);

    Point aBoxPos(aTopLeftPixel.X() + BOX_DISTANCE, aTopLeftPixel.Y() - aBoxSize.Height());

    // Set the position & size of the window.

    SetPosSizePixel(aBoxPos, aBoxSize);

    m_xVirDev->SetOutputSizePixel(aBoxSize);

    PaintButton();

}

IMPL_LINK_NOARG(SwContentControlAliasButton, ClickHdl, weld::Button&, void)

{

    if (m_bReadOnly)

    {

        return;

    }

    SwView& rView = GetEditWin()->GetView();

    SwWrtShell& rWrtSh = rView.GetWrtShell();

    SwAbstractDialogFactory* pFact = SwAbstractDialogFactory::Create();

    ScopedVclPtr<VclAbstractDialog> pDlg(

        pFact->CreateSwContentControlDlg(GetEditWin()->GetFrameWeld(), rWrtSh));

    VclAbstractDialog::AsyncContext aContext;

    aContext.maEndDialogFn = [](sal_Int32) {};

    pDlg->StartExecuteAsync(aContext);

}

void SwContentControlAliasButton::PaintButton()

{

    if (!m_xVirDev)

    {

        return;

    }

    m_xVirDev->SetMapMode(MapMode(MapUnit::MapPixel));

    drawinglayer::primitive2d::Primitive2DContainer aSeq;

    tools::Rectangle aRect(Point(0, 0), m_xVirDev->PixelToLogic(GetSizePixel()));

    // Create button

    SwFrameButtonPainter::PaintButton(aSeq, aRect, /*bOnTop=*/false);

    // Create the text primitive

    const SwViewOption* pVOpt = GetEditWin()->GetView().GetWrtShell().GetViewOptions();

    basegfx::BColor aLineColor = pVOpt->GetHeaderFooterMarkColor().getBColor();

    basegfx::B2DVector aFontSize;

    drawinglayer::attribute::FontAttribute aFontAttr

        = drawinglayer::primitive2d::getFontAttributeFromVclFont(aFontSize, m_xVirDev->GetFont(),

                                                                 false, false);

    FontMetric aFontMetric = m_xVirDev->GetFontMetric(m_xVirDev->GetFont());

    double nTextOffsetY = aFontMetric.GetAscent() + TEXT_PADDING;

    double nTextOffsetX = std::abs(aRect.GetWidth() - m_xVirDev->GetTextWidth(m_sLabel)) / 2.0;

    Point aTextPos(nTextOffsetX, nTextOffsetY);

    basegfx::B2DHomMatrix aTextMatrix = basegfx::utils::createScaleTranslateB2DHomMatrix(

        aFontSize.getX(), aFontSize.getY(), static_cast<double>(aTextPos.X()),

        static_cast<double>(aTextPos.Y()));

    aSeq.push_back(new drawinglayer::primitive2d::TextSimplePortionPrimitive2D(

        aTextMatrix, m_sLabel, 0, m_sLabel.getLength(), std::vector<double>(), {},

        std::move(aFontAttr), css::lang::Locale(), aLineColor));

    // Create the processor and process the primitives

    drawinglayer::geometry::ViewInformation2D aViewInfo;

    std::unique_ptr<drawinglayer::processor2d::BaseProcessor2D> pProcessor

        = drawinglayer::processor2d::createProcessor2DFromOutputDevice(*m_xVirDev, aViewInfo);

    pProcessor->process(aSeq);

    m_xPushButton->set_custom_button(m_xVirDev.get());

}

void SwContentControlAliasButton::ShowAll(bool bShow) { Show(bShow); }

bool SwContentControlAliasButton::Contains(const Point& rDocPt) const

{

    tools::Rectangle aRect(GetPosPixel(), GetSizePixel());

    return aRect.Contains(rDocPt);

}

void SwContentControlAliasButton::SetReadonly(bool bReadonly) { m_bReadOnly = bReadonly; }

void SwContentControlAliasButton::SetContentControl(const SwContentControl* pContentControl)

{

    m_sLabel = pContentControl->GetAlias();

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */