Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 217 insertions, 0 deletions

diff --git a/sw/source/uibase/sidebar/StylePresetsPanel.cxx b/sw/source/uibase/sidebar/StylePresetsPanel.cxx
new file mode 100644
index 000000000..4d82afe29
--- /dev/null
+++ b/sw/source/uibase/sidebar/StylePresetsPanel.cxx
@@ -0,0 +1,217 @@
+/* -*- 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: */