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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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 <sal/config.h>
#include "StylePresetsPanel.hxx"
#include <vcl/image.hxx>
#include <vcl/virdev.hxx>
#include <vcl/svapp.hxx>
#include <sfx2/objsh.hxx>
#include <sfx2/StylePreviewRenderer.hxx>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <sfx2/doctempl.hxx>
#include <shellio.hxx>
#include <docsh.hxx>
#include <sfx2/docfile.hxx>
namespace sw::sidebar {
namespace {
void renderPreview(sfx2::StyleManager* pStyleManager, OutputDevice& aOutputDevice,
OUString const & sName, sal_Int32 nHeight, tools::Rectangle const & aRect)
{
SfxStyleSheetBase* pStyleSheet = pStyleManager->Search(sName, SfxStyleFamily::Para);
if (pStyleSheet)
{
std::unique_ptr<sfx2::StylePreviewRenderer> pStylePreviewRenderer
= pStyleManager->CreateStylePreviewRenderer(aOutputDevice, pStyleSheet, nHeight);
pStylePreviewRenderer->recalculate();
pStylePreviewRenderer->render(aRect, sfx2::StylePreviewRenderer::RenderAlign::TOP);
}
}
BitmapEx GenerateStylePreview(SfxObjectShell& rSource, OUString const & aName)
{
sfx2::StyleManager* pStyleManager = rSource.GetStyleManager();
ScopedVclPtrInstance<VirtualDevice> pVirtualDev(*Application::GetDefaultDevice());
float fScalingFactor = pVirtualDev->GetDPIScaleFactor();
sal_Int32 nMargin = 6 * fScalingFactor;
sal_Int32 nPreviewWidth = 144 * fScalingFactor;
sal_Int32 nNameHeight = 16 * fScalingFactor;
sal_Int32 nTitleHeight = 32 * fScalingFactor;
sal_Int32 nHeadingHeight = 24 * fScalingFactor;
sal_Int32 nTextBodyHeight = 16 * fScalingFactor;
sal_Int32 nBottomMargin = 2 * fScalingFactor;
sal_Int32 nNameFontSize = 12 * fScalingFactor;
sal_Int32 nPreviewHeight = nNameHeight + nTitleHeight + nHeadingHeight + nTextBodyHeight + nBottomMargin;
Size aSize(nPreviewWidth, nPreviewHeight);
pVirtualDev->SetOutputSizePixel(aSize);
pVirtualDev->SetLineColor(COL_LIGHTGRAY);
pVirtualDev->SetFillColor();
long y = 0;
{
pVirtualDev->SetFillColor(COL_LIGHTGRAY);
tools::Rectangle aNameRect(0, y, nPreviewWidth, nNameHeight);
pVirtualDev->DrawRect(aNameRect);
vcl::Font aFont;
aFont.SetFontSize(Size(0, nNameFontSize));
pVirtualDev->SetFont(aFont);
Size aTextSize(pVirtualDev->GetTextWidth(aName), pVirtualDev->GetTextHeight());
Point aPoint((aNameRect.GetWidth() / 2.0) - (aTextSize.Width() / 2.0),
y + (aNameRect.GetHeight() / 2.0) - (aTextSize.Height() / 2.0));
pVirtualDev->DrawText(aPoint, aName);
y += nNameHeight;
}
{
tools::Rectangle aRenderRect(Point(nMargin, y), aSize);
renderPreview(pStyleManager, *pVirtualDev, "Title", nTitleHeight, aRenderRect);
y += nTitleHeight;
}
{
tools::Rectangle aRenderRect(Point(nMargin, y), aSize);
renderPreview(pStyleManager, *pVirtualDev, "Heading 1", nHeadingHeight, aRenderRect);
y += nHeadingHeight;
}
{
tools::Rectangle aRenderRect(Point(nMargin, y), aSize);
renderPreview(pStyleManager, *pVirtualDev, "Text Body", nTextBodyHeight, aRenderRect);
}
return pVirtualDev->GetBitmapEx(Point(), aSize);
}
BitmapEx CreatePreview(OUString const & aUrl, OUString const & aName)
{
SfxMedium aMedium(aUrl, StreamMode::STD_READWRITE);
SfxObjectShell* pObjectShell = SfxObjectShell::Current();
SfxObjectShellLock xTemplDoc = SfxObjectShell::CreateObjectByFactoryName(pObjectShell->GetFactory().GetFactoryName(), SfxObjectCreateMode::ORGANIZER);
xTemplDoc->DoInitNew();
if (xTemplDoc->LoadFrom(aMedium))
{
return GenerateStylePreview(*xTemplDoc, aName);
}
return BitmapEx();
}
}
VclPtr<vcl::Window> StylePresetsPanel::Create (vcl::Window* pParent,
const css::uno::Reference<css::frame::XFrame>& rxFrame)
{
if (pParent == nullptr)
throw css::lang::IllegalArgumentException("no parent Window given to StylePresetsPanel::Create", nullptr, 0);
if (!rxFrame.is())
throw css::lang::IllegalArgumentException("no XFrame given to StylePresetsPanel::Create", nullptr, 1);
return VclPtr<StylePresetsPanel>::Create(pParent, rxFrame);
}
StylePresetsPanel::StylePresetsPanel(vcl::Window* pParent,
const css::uno::Reference<css::frame::XFrame>& rxFrame)
: PanelLayout(pParent, "StylePresetsPanel", "modules/swriter/ui/sidebarstylepresets.ui", rxFrame)
, mxValueSet(new ValueSet(nullptr))
, mxValueSetWin(new weld::CustomWeld(*m_xBuilder, "valueset", *mxValueSet))
{
mxValueSet->SetColCount(2);
mxValueSet->SetDoubleClickHdl(LINK(this, StylePresetsPanel, DoubleClickHdl));
RefreshList();
}
void StylePresetsPanel::RefreshList()
{
SfxDocumentTemplates aTemplates;
sal_uInt16 nCount = aTemplates.GetRegionCount();
for (sal_uInt16 i = 0; i < nCount; ++i)
{
OUString aRegionName(aTemplates.GetFullRegionName(i));
if (aRegionName == "Styles")
{
for (sal_uInt16 j = 0; j < aTemplates.GetCount(i); ++j)
{
OUString aName = aTemplates.GetName(i,j);
OUString aURL = aTemplates.GetPath(i,j);
BitmapEx aPreview = CreatePreview(aURL, aName);
sal_uInt16 nId = j + 1;
mxValueSet->InsertItem(nId, Image(aPreview), aName);
maTemplateEntries.push_back(std::make_unique<TemplateEntry>(aURL));
mxValueSet->SetItemData(nId, maTemplateEntries.back().get());
}
mxValueSet->SetOptimalSize();
}
}
}
StylePresetsPanel::~StylePresetsPanel()
{
disposeOnce();
}
void StylePresetsPanel::dispose()
{
mxValueSetWin.reset();
mxValueSet.reset();
PanelLayout::dispose();
}
IMPL_LINK_NOARG(StylePresetsPanel, DoubleClickHdl, ValueSet*, void)
{
sal_Int32 nItemId = mxValueSet->GetSelectedItemId();
TemplateEntry* pEntry = static_cast<TemplateEntry*>(mxValueSet->GetItemData(nItemId));
SwDocShell* pDocSh = static_cast<SwDocShell*>(SfxObjectShell::Current());
if (pDocSh)
{
SwgReaderOption aOption;
aOption.SetTextFormats(true);
aOption.SetNumRules(true);
pDocSh->LoadStylesFromFile(pEntry->maURL, aOption, false);
}
}
void StylePresetsPanel::NotifyItemUpdate(const sal_uInt16 /*nSId*/,
const SfxItemState /*eState*/,
const SfxPoolItem* /*pState*/)
{
}
} // end of namespace ::sw::sidebar
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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