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370 | /* -*- 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 <TableWindowListBox.hxx>
#include <TableWindow.hxx>
#include <JoinController.hxx>
#include <JoinExchange.hxx>
#include <JoinTableView.hxx>
#include <JoinDesignView.hxx>
#include <osl/diagnose.h>
#include <com/sun/star/sdbc/XDatabaseMetaData.hpp>
#include <com/sun/star/sdbc/SQLException.hpp>
#include <vcl/svapp.hxx>
#include <vcl/commandevent.hxx>
#include <vcl/event.hxx>
using namespace dbaui;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::datatransfer;
OJoinExchangeData::OJoinExchangeData(OTableWindowListBox* pBox)
: pListBox(pBox)
, pEntry(pBox->FirstSelected())
{ }
const sal_uLong SCROLLING_TIMESPAN = 500;
const long LISTBOX_SCROLLING_AREA = 6;
OTableWindowListBox::OTableWindowListBox( OTableWindow* pParent )
:SvTreeListBox( pParent, WB_HASBUTTONS | WB_BORDER)
,m_aMousePos( Point(0,0) )
,m_pTabWin( pParent )
,m_nDropEvent(nullptr)
,m_nUiEvent(nullptr)
,m_bReallyScrolled( false )
{
m_aScrollTimer.SetTimeout( SCROLLING_TIMESPAN );
SetDoubleClickHdl( LINK(this, OTableWindowListBox, OnDoubleClick) );
SetSelectionMode(SelectionMode::Single);
SetHighlightRange( );
}
void OTableWindowListBox::dragFinished( )
{
// first show the error msg when existing
m_pTabWin->getDesignView()->getController().showError(m_pTabWin->getDesignView()->getController().clearOccurredError());
// second look for ui activities which should happen after d&d
if (m_nUiEvent)
Application::RemoveUserEvent(m_nUiEvent);
m_nUiEvent = Application::PostUserEvent(LINK(this, OTableWindowListBox, LookForUiHdl), nullptr, true);
}
OTableWindowListBox::~OTableWindowListBox()
{
disposeOnce();
}
void OTableWindowListBox::dispose()
{
if (m_nDropEvent)
Application::RemoveUserEvent(m_nDropEvent);
if (m_nUiEvent)
Application::RemoveUserEvent(m_nUiEvent);
if( m_aScrollTimer.IsActive() )
m_aScrollTimer.Stop();
m_pTabWin.clear();
SvTreeListBox::dispose();
}
SvTreeListEntry* OTableWindowListBox::GetEntryFromText( const OUString& rEntryText )
{
// iterate through the list
SvTreeList* pTreeList = GetModel();
SvTreeListEntry* pEntry = pTreeList->First();
OJoinDesignView* pView = m_pTabWin->getDesignView();
OJoinController& rController = pView->getController();
try
{
bool bCase = false;
const Reference<XConnection>& xConnection = rController.getConnection();
if(xConnection.is())
{
Reference<XDatabaseMetaData> xMeta = xConnection->getMetaData();
if(xMeta.is())
bCase = xMeta->supportsMixedCaseQuotedIdentifiers();
}
while( pEntry )
{
if(bCase ? rEntryText == GetEntryText(pEntry) : rEntryText.equalsIgnoreAsciiCase(GetEntryText(pEntry)))
{
return pEntry;
}
pEntry = pTreeList->Next(pEntry);
}
}
catch(SQLException&)
{
}
return nullptr;
}
void OTableWindowListBox::NotifyScrolled()
{
m_bReallyScrolled = true;
}
void OTableWindowListBox::NotifyEndScroll()
{
if (m_bReallyScrolled)
// connections of this table, if any, should be redrawn
m_pTabWin->getTableView()->Invalidate(InvalidateFlags::NoChildren);
// without InvalidateFlags::NoChildren all tables would be redrawn,
// so: flickering
m_bReallyScrolled = false;
}
bool OTableWindowListBox::PreNotify(NotifyEvent& rNEvt)
{
bool bHandled = false;
switch (rNEvt.GetType())
{
case MouseNotifyEvent::KEYINPUT:
{
const KeyEvent* pKeyEvent = rNEvt.GetKeyEvent();
const vcl::KeyCode& rCode = pKeyEvent->GetKeyCode();
if (rCode.GetCode() != KEY_RETURN)
{
if(m_pTabWin)
{
bHandled = m_pTabWin->HandleKeyInput(*pKeyEvent);
}
break;
}
if (rCode.IsMod1() || rCode.IsMod2() || rCode.IsShift())
break;
if (FirstSelected())
static_cast<OTableWindow*>(Window::GetParent())->OnEntryDoubleClicked(FirstSelected());
break;
}
default:
break;
}
if (!bHandled)
return SvTreeListBox::PreNotify(rNEvt);
return true;
}
IMPL_LINK_NOARG( OTableWindowListBox, ScrollUpHdl, Timer*, void )
{
SvTreeListEntry* pEntry = GetEntry( m_aMousePos );
if( !pEntry )
return;
if( pEntry != Last() )
{
ScrollOutputArea( -1 );
pEntry = GetEntry( m_aMousePos );
Select( pEntry );
}
}
IMPL_LINK_NOARG( OTableWindowListBox, ScrollDownHdl, Timer*, void )
{
SvTreeListEntry* pEntry = GetEntry( m_aMousePos );
if( !pEntry )
return;
if( pEntry != Last() )
{
ScrollOutputArea( 1 );
pEntry = GetEntry( m_aMousePos );
Select( pEntry );
}
}
void OTableWindowListBox::StartDrag( sal_Int8 /*nAction*/, const Point& /*rPosPixel*/ )
{
OJoinTableView* pCont = m_pTabWin->getTableView();
if (!pCont->getDesignView()->getController().isReadOnly() && pCont->getDesignView()->getController().isConnected())
{
// asterisk was not allowed to be copied to selection browsebox
bool bFirstNotAllowed = FirstSelected() == First() && m_pTabWin->GetData()->IsShowAll();
EndSelection();
// create a description of the source
OJoinExchangeData jxdSource(this);
// put it into an exchange object
rtl::Reference<OJoinExchObj> pJoin = new OJoinExchObj(jxdSource,bFirstNotAllowed);
pJoin->StartDrag(this, DND_ACTION_LINK, this);
}
}
sal_Int8 OTableWindowListBox::AcceptDrop( const AcceptDropEvent& _rEvt )
{
sal_Int8 nDND_Action = DND_ACTION_NONE;
// check the format
if ( !OJoinExchObj::isFormatAvailable(GetDataFlavorExVector(),SotClipboardFormatId::SBA_TABID) // this means that the first entry is to be dragged
&& OJoinExchObj::isFormatAvailable(GetDataFlavorExVector()) )
{ // don't drop into the window if it's the drag source itself
// remove the selection if the dragging operation is leaving the window
if (_rEvt.mbLeaving)
SelectAll(false);
else
{
// hit test
m_aMousePos = _rEvt.maPosPixel;
Size aOutputSize = GetOutputSizePixel();
SvTreeListEntry* pEntry = GetEntry( m_aMousePos );
if( !pEntry )
return DND_ACTION_NONE;
// Scrolling Areas
tools::Rectangle aBottomScrollArea( Point(0, aOutputSize.Height()-LISTBOX_SCROLLING_AREA),
Size(aOutputSize.Width(), LISTBOX_SCROLLING_AREA) );
tools::Rectangle aTopScrollArea( Point(0,0), Size(aOutputSize.Width(), LISTBOX_SCROLLING_AREA) );
// scroll up if the pointer is on the upper scroll area
if( aBottomScrollArea.IsInside(m_aMousePos) )
{
if( !m_aScrollTimer.IsActive() )
{
m_aScrollTimer.SetInvokeHandler( LINK(this, OTableWindowListBox, ScrollUpHdl) );
ScrollUpHdl( nullptr );
}
}
// scroll down if the pointer is on the lower scroll area
else if( aTopScrollArea.IsInside(m_aMousePos) )
{
if( !m_aScrollTimer.IsActive() )
{
m_aScrollTimer.SetInvokeHandler( LINK(this, OTableWindowListBox, ScrollDownHdl) );
ScrollDownHdl( nullptr );
}
}
else
{
if( m_aScrollTimer.IsActive() )
m_aScrollTimer.Stop();
}
// automatically select right entry when dragging
if ((FirstSelected() != pEntry) || NextSelected(FirstSelected()))
SelectAll(false);
Select(pEntry);
// one cannot drop on the first (*) entry
if(!( m_pTabWin->GetData()->IsShowAll() && (pEntry==First()) ))
nDND_Action = DND_ACTION_LINK;
}
}
return nDND_Action;
}
IMPL_LINK_NOARG( OTableWindowListBox, LookForUiHdl, void*, void )
{
m_nUiEvent = nullptr;
m_pTabWin->getTableView()->lookForUiActivities();
}
IMPL_LINK_NOARG( OTableWindowListBox, DropHdl, void*, void )
{
// create the connection
m_nDropEvent = nullptr;
OSL_ENSURE(m_pTabWin,"No TableWindow!");
try
{
OJoinTableView* pCont = m_pTabWin->getTableView();
OSL_ENSURE(pCont,"No QueryTableView!");
pCont->AddConnection(m_aDropInfo.aSource, m_aDropInfo.aDest);
}
catch(const SQLException& e)
{
// remember the exception so that we can show them later when d&d is finished
m_pTabWin->getDesignView()->getController().setErrorOccurred(::dbtools::SQLExceptionInfo(e));
}
}
sal_Int8 OTableWindowListBox::ExecuteDrop( const ExecuteDropEvent& _rEvt )
{
TransferableDataHelper aDropped(_rEvt.maDropEvent.Transferable);
if ( OJoinExchObj::isFormatAvailable(aDropped.GetDataFlavorExVector()))
{ // don't drop into the window if it's the drag source itself
m_aDropInfo.aSource = OJoinExchangeData(this);
m_aDropInfo.aDest = OJoinExchObj::GetSourceDescription(_rEvt.maDropEvent.Transferable);
if (m_nDropEvent)
Application::RemoveUserEvent(m_nDropEvent);
m_nDropEvent = Application::PostUserEvent(LINK(this, OTableWindowListBox, DropHdl), nullptr, true);
return DND_ACTION_LINK;
}
return DND_ACTION_NONE;
}
void OTableWindowListBox::LoseFocus()
{
if(m_pTabWin)
m_pTabWin->setActive(false);
SvTreeListBox::LoseFocus();
}
void OTableWindowListBox::GetFocus()
{
if(m_pTabWin)
m_pTabWin->setActive();
if (GetCurEntry() != nullptr)
{
if ( GetSelectionCount() == 0 || GetCurEntry() != FirstSelected() )
{
if ( FirstSelected() )
Select(FirstSelected(), false);
Select(GetCurEntry());
}
else
ShowFocusRect(FirstSelected());
}
SvTreeListBox::GetFocus();
}
IMPL_LINK_NOARG( OTableWindowListBox, OnDoubleClick, SvTreeListBox *, bool )
{
// tell my parent
vcl::Window* pParent = Window::GetParent();<--- Assignment 'pParent=Window::GetParent()', assigned value is 0
OSL_ENSURE(pParent != nullptr, "OTableWindowListBox::OnDoubleClick : have no Parent !");<--- Assuming that condition 'pParent!=nullptr' is not redundant
static_cast<OTableWindow*>(pParent)->OnEntryDoubleClicked(GetHdlEntry());<--- Null pointer dereference
return false;
}
void OTableWindowListBox::Command(const CommandEvent& rEvt)
{
switch (rEvt.GetCommand())
{
case CommandEventId::ContextMenu:
{
static_cast<OTableWindow*>(Window::GetParent())->Command(rEvt);
break;
}
default:
SvTreeListBox::Command(rEvt);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|