Adding upstream version 4:24.2.0.upstream/4%24.2.0

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

1 files changed, 246 insertions, 0 deletions

diff --git a/fpicker/source/office/breadcrumb.cxx b/fpicker/source/office/breadcrumb.cxx
new file mode 100644
index 0000000000..0b27367d8a
--- /dev/null
+++ b/fpicker/source/office/breadcrumb.cxx
@@ -0,0 +1,246 @@
+/* -*- 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 <tools/urlobj.hxx>
+#include <vcl/svapp.hxx>
+#include "breadcrumb.hxx"
+
+Breadcrumb::Breadcrumb(weld::Container* pParent)
+    : m_pParent(pParent)
+    , m_nMaxWidth(m_pParent->get_preferred_size().Width())
+{
+    m_pParent->connect_size_allocate(LINK(this, Breadcrumb, SizeAllocHdl));
+    m_eMode = SvtBreadcrumbMode::ONLY_CURRENT_PATH;
+    appendField(); // root
+}
+
+IMPL_LINK(Breadcrumb, SizeAllocHdl, const Size&, rSize, void)
+{
+    m_nMaxWidth = rSize.Width();
+}
+
+Breadcrumb::~Breadcrumb()
+{
+    m_pParent->connect_size_allocate(Link<const Size&, void>());
+}
+
+void Breadcrumb::EnableFields( bool bEnable )
+{
+    if( bEnable )
+    {
+        INetURLObject aURL( m_aCurrentURL );
+        int nSegments = aURL.getSegmentCount();
+        m_aSegments[nSegments]->m_xLink->set_sensitive(false);
+    }
+}
+
+void Breadcrumb::connect_clicked( const Link<Breadcrumb*,bool>& rLink )
+{
+    m_aClickHdl = rLink;
+}
+
+const OUString& Breadcrumb::GetHdlURL() const
+{
+    return m_sClickedURL;
+}
+
+void Breadcrumb::SetRootName( const OUString& rURL )
+{
+    m_sRootName = rURL;
+
+    // we changed root - clear all fields
+    for (size_t i = 1; i < m_aSegments.size(); ++i)
+    {
+        m_aSegments[i]->m_xLink->set_label("");
+
+        m_aSegments[i]->m_xLink->hide();
+        m_aSegments[i]->m_xSeparator->hide();
+        m_aSegments[i]->m_xLink->set_sensitive(true);
+    }
+}
+
+void Breadcrumb::SetURL( const OUString& rURL )
+{
+    m_aCurrentURL = rURL;
+    INetURLObject aURL(rURL);
+    aURL.setFinalSlash();
+
+    bool bClear = m_eMode == SvtBreadcrumbMode::ONLY_CURRENT_PATH;
+
+    int nSegments = aURL.getSegmentCount();
+
+    size_t nVecSizeRequired = nSegments + 1;
+
+    while (m_aSegments.size() < nVecSizeRequired)
+        appendField();
+
+    // fill the fields under root
+    for (int i = nSegments; i; --i)
+    {
+        OUString sLabel = aURL.getName(INetURLObject::LAST_SEGMENT, true, INetURLObject::DecodeMechanism::WithCharset);
+        OUString sLink = aURL.GetMainURL(INetURLObject::DecodeMechanism::NONE);
+
+        if (m_eMode == SvtBreadcrumbMode::ALL_VISITED)
+        {
+            if( m_aSegments[i]->m_xLink->get_label() != sLabel )
+                bClear = true;
+        }
+
+        m_aSegments[i]->m_xLink->hide();
+        m_aSegments[i]->m_xLink->set_label(sLabel);
+        m_aSegments[i]->m_xLink->set_sensitive(true);
+        m_aSegments[i]->m_xLink->set_uri(sLink);
+        m_aUris[m_aSegments[i]->m_xLink.get()] = sLink;
+
+        m_aSegments[i]->m_xSeparator->hide();
+
+        aURL.removeSegment();
+    }
+
+    OUString sRootPath = aURL.GetMainURL(INetURLObject::DecodeMechanism::WithCharset);
+
+    // root field
+    m_aSegments[0]->m_xLink->set_label( m_sRootName );
+    m_aSegments[0]->m_xLink->set_sensitive(true);
+    m_aSegments[0]->m_xLink->set_uri(sRootPath);
+    m_aUris[m_aSegments[0]->m_xLink.get()] = sRootPath;
+
+    // clear unused fields
+    for (size_t i = nSegments + 1; i < m_aSegments.size(); i++ )
+    {
+        if( bClear )
+            m_aSegments[i]->m_xLink->set_label( "" );
+
+        m_aSegments[i]->m_xLink->hide();
+        m_aSegments[i]->m_xSeparator->hide();
+        m_aSegments[i]->m_xLink->set_sensitive(true);
+    }
+
+    // show fields
+    unsigned int nSeparatorWidth = m_aSegments[0]->m_xSeparator->get_preferred_size().Width();
+    unsigned int nCurrentWidth = 0;
+    unsigned int nLastVisible = nSegments;
+
+    bool bRight = ( m_eMode == SvtBreadcrumbMode::ALL_VISITED );
+    bool bLeft = true;
+
+    int i = 0;
+
+    while( bLeft || bRight )
+    {
+        if( nSegments - i == -1 )
+            bLeft = false;
+
+        if( bLeft )
+        {
+            unsigned int nIndex = nSegments - i;
+
+            if( showField( nIndex, m_nMaxWidth - nCurrentWidth ) )
+            {
+                nCurrentWidth += m_aSegments[nIndex]->m_xLink->get_preferred_size().Width()
+                                + nSeparatorWidth + 2*SPACING;
+            }
+            else
+            {
+                // label is too long
+                if( nSegments != 0 )
+                {
+                    m_aSegments[0]->m_xLink->set_label("...");
+                    m_aSegments[0]->m_xLink->set_sensitive(false);
+                }
+                bLeft = false;
+            }
+        }
+
+        if( nSegments + i == static_cast<int>(m_aSegments.size()) )
+            bRight = false;
+
+        if( i != 0 && bRight )
+        {
+            unsigned int nIndex = nSegments + i;
+
+            if( m_aSegments[nIndex]->m_xLink->get_label().isEmpty() )
+            {
+                bRight = false;
+            }
+            else if( showField( nIndex, m_nMaxWidth - nCurrentWidth ) )
+            {
+                nCurrentWidth += m_aSegments[nIndex]->m_xLink->get_preferred_size().Width()
+                                + nSeparatorWidth + 3*SPACING;
+                nLastVisible = nIndex;
+            }
+            else
+            {
+                bRight = false;
+            }
+        }
+
+        i++;
+    }
+
+    // current dir should be inactive
+    m_aSegments[nSegments]->m_xLink->set_sensitive(false);
+
+    // hide last separator
+    m_aSegments[nLastVisible]->m_xSeparator->hide();
+}
+
+void Breadcrumb::SetMode( SvtBreadcrumbMode eMode )
+{
+    m_eMode = eMode;
+}
+
+void Breadcrumb::appendField()
+{
+    m_aSegments.emplace_back(std::make_unique<BreadcrumbPath>(m_pParent));
+    size_t nIndex = m_aSegments.size() - 1;
+    m_aSegments[nIndex]->m_xLink->hide();
+    m_aSegments[nIndex]->m_xLink->connect_activate_link(LINK(this, Breadcrumb, ClickLinkHdl));
+    m_aSegments[nIndex]->m_xSeparator->set_label( ">" );
+    m_aSegments[nIndex]->m_xSeparator->hide();
+}
+
+bool Breadcrumb::showField( unsigned int nIndex, unsigned int nWidthMax )
+{
+    m_aSegments[nIndex]->m_xLink->show();
+    m_aSegments[nIndex]->m_xSeparator->show();
+
+    unsigned int nSeparatorWidth = m_aSegments[0]->m_xSeparator->get_preferred_size().Width();
+    unsigned int nWidth = m_aSegments[nIndex]->m_xLink->get_preferred_size().Width()
+            + nSeparatorWidth + 3*SPACING;
+
+    if( nWidth > nWidthMax )
+    {
+        if( nIndex != 0 )
+        {
+            m_aSegments[nIndex]->m_xLink->hide();
+            m_aSegments[nIndex]->m_xSeparator->hide();
+        }
+
+        return false;
+    }
+
+    return true;
+}
+
+IMPL_LINK(Breadcrumb, ClickLinkHdl, weld::LinkButton&, rLink, bool)
+{
+    m_sClickedURL = m_aUris[&rLink];
+    return m_aClickHdl.Call(this);
+}
+
+BreadcrumbPath::BreadcrumbPath(weld::Container* pContainer)
+    : m_xBuilder(Application::CreateBuilder(pContainer, "fps/ui/breadcrumb.ui"))
+    , m_xContainer(m_xBuilder->weld_container("container"))
+    , m_xLink(m_xBuilder->weld_link_button("link"))
+    , m_xSeparator(m_xBuilder->weld_label("label"))
+{
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */