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Diffstat (limited to 'fpicker/source/office/breadcrumb.cxx')
| -rw-r--r-- | fpicker/source/office/breadcrumb.cxx | 246 |
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 000000000..0b27367d8 --- /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: */ |