diff options
Diffstat (limited to 'dbaccess/source/ui/control/dbtreelistbox.cxx')
| -rw-r--r-- | dbaccess/source/ui/control/dbtreelistbox.cxx | 512 |
1 files changed, 512 insertions, 0 deletions
diff --git a/dbaccess/source/ui/control/dbtreelistbox.cxx b/dbaccess/source/ui/control/dbtreelistbox.cxx new file mode 100644 index 000000000..eb89e1fdb --- /dev/null +++ b/dbaccess/source/ui/control/dbtreelistbox.cxx @@ -0,0 +1,512 @@ +/* -*- 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/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <dbtreelistbox.hxx> +#include <dbexchange.hxx> +#include <callbacks.hxx> + +#include <com/sun/star/awt/PopupMenuDirection.hpp> +#include <com/sun/star/ui/XContextMenuInterceptor.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> +#include <com/sun/star/frame/XController.hpp> +#include <com/sun/star/frame/XPopupMenuController.hpp> +#include <com/sun/star/lang/IllegalArgumentException.hpp> +#include <cppuhelper/implbase.hxx> +#include <comphelper/interfacecontainer2.hxx> +#include <comphelper/processfactory.hxx> +#include <comphelper/propertyvalue.hxx> +#include <dbaccess/IController.hxx> +#include <framework/actiontriggerhelper.hxx> +#include <toolkit/awt/vclxmenu.hxx> +#include <toolkit/helper/vclunohelper.hxx> +#include <svx/dbaobjectex.hxx> +#include <vcl/commandevent.hxx> +#include <vcl/event.hxx> +#include <vcl/svapp.hxx> + +#include <memory> + +namespace dbaui +{ + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::beans; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::datatransfer; +using namespace ::com::sun::star::ui; +using namespace ::com::sun::star::view; + +InterimDBTreeListBox::InterimDBTreeListBox(vcl::Window* pParent) + : InterimItemWindow(pParent, "dbaccess/ui/dbtreelist.ui", "DBTreeList") + , TreeListBox(m_xBuilder->weld_tree_view("treeview"), true) + , m_xStatusBar(m_xBuilder->weld_label("statusbar")) +{ + InitControlBase(&GetWidget()); +} + +InterimDBTreeListBox::~InterimDBTreeListBox() +{ + disposeOnce(); +} + +void InterimDBTreeListBox::dispose() +{ + implStopSelectionTimer(); + m_xStatusBar.reset(); + m_xTreeView.reset(); + InterimItemWindow::dispose(); +} + +bool InterimDBTreeListBox::DoChildKeyInput(const KeyEvent& rKEvt) +{ + return ChildKeyInput(rKEvt); +} + +TreeListBoxDropTarget::TreeListBoxDropTarget(TreeListBox& rTreeView) + : DropTargetHelper(rTreeView.GetWidget().get_drop_target()) + , m_rTreeView(rTreeView) +{ +} + +sal_Int8 TreeListBoxDropTarget::AcceptDrop(const AcceptDropEvent& rEvt) +{ + sal_Int8 nAccept = m_rTreeView.AcceptDrop(rEvt); + + if (nAccept != DND_ACTION_NONE) + { + // to enable the autoscroll when we're close to the edges + weld::TreeView& rWidget = m_rTreeView.GetWidget(); + rWidget.get_dest_row_at_pos(rEvt.maPosPixel, nullptr, true); + } + + return nAccept; +} + +sal_Int8 TreeListBoxDropTarget::ExecuteDrop(const ExecuteDropEvent& rEvt) +{ + return m_rTreeView.ExecuteDrop(rEvt); +} + +TreeListBox::TreeListBox(std::unique_ptr<weld::TreeView> xTreeView, bool bSQLType) + : m_xTreeView(std::move(xTreeView)) + , m_aDropTargetHelper(*this) + , m_pActionListener(nullptr) + , m_pContextMenuProvider(nullptr) + , m_aTimer("dbaccess TreeListBox m_aTimer") +{ + m_xTreeView->connect_key_press(LINK(this, TreeListBox, KeyInputHdl)); + m_xTreeView->connect_changed(LINK(this, TreeListBox, SelectHdl)); + m_xTreeView->connect_query_tooltip(LINK(this, TreeListBox, QueryTooltipHdl)); + m_xTreeView->connect_popup_menu(LINK(this, TreeListBox, CommandHdl)); + + if (bSQLType) + m_xHelper.set(new ODataClipboard); + else + m_xHelper.set(new svx::OComponentTransferable); + m_xTreeView->enable_drag_source(m_xHelper, DND_ACTION_COPY); + m_xTreeView->connect_drag_begin(LINK(this, TreeListBox, DragBeginHdl)); + + m_aTimer.SetTimeout(900); + m_aTimer.SetInvokeHandler(LINK(this, TreeListBox, OnTimeOut)); +} + +bool TreeListBox::DoChildKeyInput(const KeyEvent& /*rKEvt*/) +{ + // nothing by default + return false; +} + +IMPL_LINK(TreeListBox, KeyInputHdl, const KeyEvent&, rKEvt, bool) +{ + KeyFuncType eFunc = rKEvt.GetKeyCode().GetFunction(); + bool bHandled = false; + + switch (eFunc) + { + case KeyFuncType::COPY: + bHandled = m_aCopyHandler.IsSet() && !m_xTreeView->get_selected(nullptr); + if (bHandled) + m_aCopyHandler.Call(nullptr); + break; + case KeyFuncType::PASTE: + bHandled = m_aPasteHandler.IsSet() && !m_xTreeView->get_selected(nullptr); + if (bHandled) + m_aPasteHandler.Call(nullptr); + break; + case KeyFuncType::DELETE: + bHandled = m_aDeleteHandler.IsSet() && !m_xTreeView->get_selected(nullptr); + if (bHandled) + m_aDeleteHandler.Call(nullptr); + break; + default: + break; + } + + return bHandled || DoChildKeyInput(rKEvt); +} + +void TreeListBox::implStopSelectionTimer() +{ + if ( m_aTimer.IsActive() ) + m_aTimer.Stop(); +} + +void TreeListBox::implStartSelectionTimer() +{ + implStopSelectionTimer(); + m_aTimer.Start(); +} + +IMPL_LINK_NOARG(TreeListBox, SelectHdl, weld::TreeView&, void) +{ + implStartSelectionTimer(); +} + +TreeListBox::~TreeListBox() +{ +} + +std::unique_ptr<weld::TreeIter> TreeListBox::GetEntryPosByName(std::u16string_view aName, const weld::TreeIter* pStart, const IEntryFilter* _pFilter) const +{ + auto xEntry(m_xTreeView->make_iterator(pStart)); + if (pStart) + { + if (!m_xTreeView->iter_children(*xEntry)) + return nullptr; + } + else + { + if (!m_xTreeView->get_iter_first(*xEntry)) + return nullptr; + } + + do + { + if (m_xTreeView->get_text(*xEntry) == aName) + { + if (!_pFilter || _pFilter->includeEntry(weld::fromId<void*>(m_xTreeView->get_id(*xEntry)))) + { + // found + return xEntry; + } + } + } while (m_xTreeView->iter_next_sibling(*xEntry)); + + return nullptr; +} + +IMPL_LINK(TreeListBox, DragBeginHdl, bool&, rUnsetDragIcon, bool) +{ + rUnsetDragIcon = false; + + if (m_pActionListener) + { + m_xDragedEntry = m_xTreeView->make_iterator(); + if (!m_xTreeView->get_selected(m_xDragedEntry.get())) + m_xDragedEntry.reset(); + if (m_xDragedEntry && m_pActionListener->requestDrag(*m_xDragedEntry)) + { + // if the (asynchronous) drag started, stop the selection timer + implStopSelectionTimer(); + return false; + } + } + + return true; +} + +sal_Int8 TreeListBox::AcceptDrop(const AcceptDropEvent& rEvt) +{ + sal_Int8 nDropOption = DND_ACTION_NONE; + if ( m_pActionListener ) + { + ::Point aDropPos = rEvt.maPosPixel; + std::unique_ptr<weld::TreeIter> xDropTarget(m_xTreeView->make_iterator()); + if (!m_xTreeView->get_dest_row_at_pos(aDropPos, xDropTarget.get(), true)) + xDropTarget.reset(); + + // check if drag is on child entry, which is not allowed + std::unique_ptr<weld::TreeIter> xParent; + if (rEvt.mnAction & DND_ACTION_MOVE) + { + if (!m_xDragedEntry) // no entry to move + return m_pActionListener->queryDrop(rEvt, m_aDropTargetHelper.GetDataFlavorExVector()); + + if (xDropTarget) + { + xParent = m_xTreeView->make_iterator(xDropTarget.get()); + if (!m_xTreeView->iter_parent(*xParent)) + xParent.reset(); + } + while (xParent && m_xTreeView->iter_compare(*xParent, *m_xDragedEntry) != 0) + { + if (!m_xTreeView->iter_parent(*xParent)) + xParent.reset(); + } + } + + if (!xParent) + { + nDropOption = m_pActionListener->queryDrop(rEvt, m_aDropTargetHelper.GetDataFlavorExVector()); + // check if move is allowed + if ( nDropOption & DND_ACTION_MOVE ) + { + if (!m_xDragedEntry || !xDropTarget || + m_xTreeView->iter_compare(*m_xDragedEntry, *xDropTarget) == 0 || + GetEntryPosByName(m_xTreeView->get_text(*m_xDragedEntry), xDropTarget.get())) + { + nDropOption = nDropOption & ~DND_ACTION_MOVE;//DND_ACTION_NONE; + } + } + } + } + + return nDropOption; +} + +sal_Int8 TreeListBox::ExecuteDrop(const ExecuteDropEvent& rEvt) +{ + if (m_pActionListener) + m_pActionListener->executeDrop(rEvt); + m_xTreeView->unset_drag_dest_row(); + return DND_ACTION_NONE; +} + +IMPL_LINK(TreeListBox, QueryTooltipHdl, const weld::TreeIter&, rIter, OUString) +{ + OUString sQuickHelpText; + if (m_pActionListener && + m_pActionListener->requestQuickHelp(weld::fromId<void*>(m_xTreeView->get_id(rIter)), sQuickHelpText)) + { + return sQuickHelpText; + } + return m_xTreeView->get_tooltip_text(); +} + +namespace +{ + // SelectionSupplier + typedef ::cppu::WeakImplHelper< XSelectionSupplier + > SelectionSupplier_Base; + class SelectionSupplier : public SelectionSupplier_Base + { + public: + explicit SelectionSupplier( const Any& _rSelection ) + :m_aSelection( _rSelection ) + { + } + + virtual sal_Bool SAL_CALL select( const Any& xSelection ) override; + virtual Any SAL_CALL getSelection( ) override; + virtual void SAL_CALL addSelectionChangeListener( const Reference< XSelectionChangeListener >& xListener ) override; + virtual void SAL_CALL removeSelectionChangeListener( const Reference< XSelectionChangeListener >& xListener ) override; + + protected: + virtual ~SelectionSupplier() override + { + } + + private: + Any m_aSelection; + }; + + sal_Bool SAL_CALL SelectionSupplier::select( const Any& /*_Selection*/ ) + { + throw IllegalArgumentException(); + // API bug: this should be a NoSupportException + } + + Any SAL_CALL SelectionSupplier::getSelection( ) + { + return m_aSelection; + } + + void SAL_CALL SelectionSupplier::addSelectionChangeListener( const Reference< XSelectionChangeListener >& /*_Listener*/ ) + { + OSL_FAIL( "SelectionSupplier::removeSelectionChangeListener: no support!" ); + // API bug: this should be a NoSupportException + } + + void SAL_CALL SelectionSupplier::removeSelectionChangeListener( const Reference< XSelectionChangeListener >& /*_Listener*/ ) + { + OSL_FAIL( "SelectionSupplier::removeSelectionChangeListener: no support!" ); + // API bug: this should be a NoSupportException + } +} + +IMPL_LINK(TreeListBox, CommandHdl, const CommandEvent&, rCEvt, bool) +{ + if (rCEvt.GetCommand() != CommandEventId::ContextMenu) + return false; + + ::Point aPos = rCEvt.GetMousePosPixel(); + + std::unique_ptr<weld::TreeIter> xIter(m_xTreeView->make_iterator()); + if (m_xTreeView->get_dest_row_at_pos(aPos, xIter.get(), false) && !m_xTreeView->is_selected(*xIter)) + { + m_xTreeView->unselect_all(); + m_xTreeView->set_cursor(*xIter); + m_xTreeView->select(*xIter); + SelectHdl(*m_xTreeView); + } + + if (!m_pContextMenuProvider) + return false; + + OUString aResourceName(m_pContextMenuProvider->getContextMenuResourceName()); + if (aResourceName.isEmpty()) + return false; + + css::uno::Sequence< css::uno::Any > aArgs{ + css::uno::Any(comphelper::makePropertyValue( "Value", aResourceName )), + css::uno::Any(comphelper::makePropertyValue( "Frame", m_pContextMenuProvider->getCommandController().getXController()->getFrame() )), + css::uno::Any(comphelper::makePropertyValue( "IsContextMenu", true )) + }; + + css::uno::Reference< css::uno::XComponentContext > xContext = comphelper::getProcessComponentContext(); + css::uno::Reference<css::frame::XPopupMenuController> xMenuController + (xContext->getServiceManager()->createInstanceWithArgumentsAndContext( + "com.sun.star.comp.framework.ResourceMenuController", aArgs, xContext), css::uno::UNO_QUERY); + + if (!xMenuController.is()) + return false; + + VclPtr<vcl::Window> xMenuParent = m_pContextMenuProvider->getMenuParent(); + + css::uno::Reference< css::awt::XWindow> xSourceWindow = VCLUnoHelper::GetInterface(xMenuParent); + + rtl::Reference xPopupMenu( new VCLXPopupMenu ); + xMenuController->setPopupMenu( xPopupMenu ); + + // allow context menu interception + ::comphelper::OInterfaceContainerHelper2* pInterceptors = m_pContextMenuProvider->getContextMenuInterceptors(); + if (pInterceptors && pInterceptors->getLength()) + { + OUString aMenuIdentifier( "private:resource/popupmenu/" + aResourceName ); + + ContextMenuExecuteEvent aEvent; + aEvent.SourceWindow = xSourceWindow; + aEvent.ExecutePosition.X = -1; + aEvent.ExecutePosition.Y = -1; + aEvent.ActionTriggerContainer = ::framework::ActionTriggerHelper::CreateActionTriggerContainerFromMenu( + xPopupMenu, &aMenuIdentifier ); + aEvent.Selection = new SelectionSupplier(m_pContextMenuProvider->getCurrentSelection(*m_xTreeView)); + + ::comphelper::OInterfaceIteratorHelper2 aIter( *pInterceptors ); + bool bModifiedMenu = false; + bool bAskInterceptors = true; + while ( aIter.hasMoreElements() && bAskInterceptors ) + { + Reference< XContextMenuInterceptor > xInterceptor( aIter.next(), UNO_QUERY ); + if ( !xInterceptor.is() ) + continue; + + try + { + ContextMenuInterceptorAction eAction = xInterceptor->notifyContextMenuExecute( aEvent ); + switch ( eAction ) + { + case ContextMenuInterceptorAction_CANCELLED: + return false; + + case ContextMenuInterceptorAction_EXECUTE_MODIFIED: + bModifiedMenu = true; + bAskInterceptors = false; + break; + + case ContextMenuInterceptorAction_CONTINUE_MODIFIED: + bModifiedMenu = true; + bAskInterceptors = true; + break; + + default: + OSL_FAIL( "DBTreeListBox::CreateContextMenu: unexpected return value of the interceptor call!" ); + [[fallthrough]]; + case ContextMenuInterceptorAction_IGNORED: + break; + } + } + catch( const DisposedException& e ) + { + if ( e.Context == xInterceptor ) + aIter.remove(); + } + } + + if ( bModifiedMenu ) + { + xPopupMenu->clear(); + ::framework::ActionTriggerHelper::CreateMenuFromActionTriggerContainer( + xPopupMenu, aEvent.ActionTriggerContainer ); + aEvent.ActionTriggerContainer.clear(); + } + } + + // adjust pos relative to m_xTreeView to relative to xMenuParent + m_pContextMenuProvider->adjustMenuPosition(*m_xTreeView, aPos); + + // do action for selected entry in popup menu + css::uno::Reference<css::awt::XWindowPeer> xParent(xSourceWindow, css::uno::UNO_QUERY); + xPopupMenu->execute(xParent, css::awt::Rectangle(aPos.X(), aPos.Y(), 1, 1), css::awt::PopupMenuDirection::EXECUTE_DOWN); + + css::uno::Reference<css::lang::XComponent> xComponent(xMenuController, css::uno::UNO_QUERY); + if (xComponent.is()) + xComponent->dispose(); + xMenuController.clear(); + + return true; +} + +IMPL_LINK_NOARG(TreeListBox, OnTimeOut, Timer*, void) +{ + implStopSelectionTimer(); + + m_aSelChangeHdl.Call( nullptr ); +} + +std::unique_ptr<weld::TreeIter> TreeListBox::GetRootLevelParent(const weld::TreeIter* pEntry) const +{ + if (!pEntry) + return nullptr; + std::unique_ptr<weld::TreeIter> xEntry(m_xTreeView->make_iterator(pEntry)); + while (m_xTreeView->get_iter_depth(*xEntry)) + m_xTreeView->iter_parent(*xEntry); + return xEntry; +} + +DBTreeViewBase::DBTreeViewBase(weld::Container* pContainer) + : m_xBuilder(Application::CreateBuilder(pContainer, "dbaccess/ui/dbtreelist.ui")) + , m_xContainer(m_xBuilder->weld_container("DBTreeList")) +{ +} + +DBTreeViewBase::~DBTreeViewBase() +{ +} + +DBTreeView::DBTreeView(weld::Container* pContainer, bool bSQLType) + : DBTreeViewBase(pContainer) +{ + m_xTreeListBox.reset(new TreeListBox(m_xBuilder->weld_tree_view("treeview"), bSQLType)); +} + +} // namespace dbaui + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |