office-gobmx/extensions/source/propctrlr/browserlistbox.cxx
2011-11-27 13:08:28 -06:00

1309 lines
48 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "browserlistbox.hxx"
#include "propresid.hrc"
#include "proplinelistener.hxx"
#include "propcontrolobserver.hxx"
#include "linedescriptor.hxx"
#include "inspectorhelpwindow.hxx"
/** === begin UNO includes === **/
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/inspection/PropertyControlType.hpp>
/** === end UNO includes === **/
#include <tools/debug.hxx>
#include <tools/diagnose_ex.h>
#include <comphelper/asyncnotification.hxx>
#include <cppuhelper/implbase1.hxx>
#include <vcl/svapp.hxx>
#include <osl/mutex.hxx>
//............................................................................
namespace pcr
{
//............................................................................
#define FRAME_OFFSET 4
// TODO: find out what this is really for ... and check if it does make sense in the new
// browser environment
#define LAYOUT_HELP_WINDOW_DISTANCE_APPFONT 3
/** === begin UNO using === **/
using ::com::sun::star::uno::Any;
using ::com::sun::star::uno::Exception;
using ::com::sun::star::inspection::XPropertyControlContext;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::inspection::XPropertyControl;
using ::com::sun::star::uno::RuntimeException;
using ::com::sun::star::lang::DisposedException;
using ::com::sun::star::lang::XComponent;
using ::com::sun::star::uno::UNO_QUERY;
using ::com::sun::star::graphic::XGraphic;
/** === end UNO using === **/
namespace PropertyControlType = ::com::sun::star::inspection::PropertyControlType;
//==================================================================
//= ControlEvent
//==================================================================
enum ControlEventType
{
FOCUS_GAINED,
VALUE_CHANGED,
ACTIVATE_NEXT
};
struct ControlEvent : public ::comphelper::AnyEvent
{
Reference< XPropertyControl > xControl;
ControlEventType eType;
ControlEvent( const Reference< XPropertyControl >& _rxControl, ControlEventType _eType )
:xControl( _rxControl )
,eType( _eType )
{
}
};
//==================================================================
//= SharedNotifier
//==================================================================
class SharedNotifier
{
private:
static ::osl::Mutex& getMutex();
static ::rtl::Reference< ::comphelper::AsyncEventNotifier > s_pNotifier;
public:
static const ::rtl::Reference< ::comphelper::AsyncEventNotifier >&
getNotifier();
private:
SharedNotifier(); // never implemented
SharedNotifier( const SharedNotifier& ); // never implemented
SharedNotifier& operator=( const SharedNotifier& ); // never implemented
};
//------------------------------------------------------------------
::rtl::Reference< ::comphelper::AsyncEventNotifier > SharedNotifier::s_pNotifier;
//------------------------------------------------------------------
::osl::Mutex& SharedNotifier::getMutex()
{
static ::osl::Mutex s_aMutex;
return s_aMutex;
}
//------------------------------------------------------------------
const ::rtl::Reference< ::comphelper::AsyncEventNotifier >& SharedNotifier::getNotifier()
{
::osl::MutexGuard aGuard( getMutex() );
if ( !s_pNotifier.is() )
{
s_pNotifier.set( new ::comphelper::AsyncEventNotifier );
s_pNotifier->create();
}
return s_pNotifier;
}
//==================================================================
//= PropertyControlContext_Impl
//==================================================================
/** implementation for of <type scope="com::sun::star::inspection">XPropertyControlContext</type>
which forwards all events to a non-UNO version of this interface
*/
typedef ::cppu::WeakImplHelper1< XPropertyControlContext > PropertyControlContext_Impl_Base;
class PropertyControlContext_Impl :public PropertyControlContext_Impl_Base
,public ::comphelper::IEventProcessor
{
public:
enum NotifcationMode
{
eSynchronously,
eAsynchronously
};
private:
IControlContext* m_pContext;
NotifcationMode m_eMode;
public:
/** creates an instance
@param _rContextImpl
the instance to delegate events to
*/
PropertyControlContext_Impl( IControlContext& _rContextImpl );
/** disposes the context.
When you call this method, all subsequent callbacks to the
<type scope="com::sun::star::inspection">XPropertyControlContext</type> methods
will throw a <type scope="com::sun::star::lang">DisposedException</type>.
*/
void SAL_CALL dispose();
/** sets the notification mode, so that notifications recieved from the controls are
forwarded to our IControlContext either synchronously or asynchronously
@param _eMode
the new notification mode
*/
void setNotificationMode( NotifcationMode _eMode );
virtual void SAL_CALL acquire() throw();
virtual void SAL_CALL release() throw();
protected:
~PropertyControlContext_Impl();
// XPropertyControlObserver
virtual void SAL_CALL focusGained( const Reference< XPropertyControl >& Control ) throw (RuntimeException);
virtual void SAL_CALL valueChanged( const Reference< XPropertyControl >& Control ) throw (RuntimeException);
// XPropertyControlContext
virtual void SAL_CALL activateNextControl( const Reference< XPropertyControl >& CurrentControl ) throw (RuntimeException);
// IEventProcessor
virtual void processEvent( const ::comphelper::AnyEvent& _rEvent );
private:
/** processes the given event, i.e. notifies it to our IControlContext
@param _rEvent
the event no notify
@precond
our mutex (well, the SolarMutex) is locked
*/
void impl_processEvent_throw( const ::comphelper::AnyEvent& _rEvent );
/** checks whether we're alive
@throws DisposedException
if the instance is already disposed
*/
void impl_checkAlive_throw() const;
/** checks whether the instance is already disposed
*/
bool impl_isDisposed_nothrow() const { return m_pContext == NULL; }
/** notifies the given event originating from the given control
@throws DisposedException
@param _rxControl
@param _eType
*/
void impl_notify_throw( const Reference< XPropertyControl >& _rxControl, ControlEventType _eType );
};
//--------------------------------------------------------------------
PropertyControlContext_Impl::PropertyControlContext_Impl( IControlContext& _rContextImpl )
:m_pContext( &_rContextImpl )
,m_eMode( eAsynchronously )
{
}
//--------------------------------------------------------------------
PropertyControlContext_Impl::~PropertyControlContext_Impl()
{
if ( !impl_isDisposed_nothrow() )
dispose();
}
//--------------------------------------------------------------------
void PropertyControlContext_Impl::impl_checkAlive_throw() const
{
if ( impl_isDisposed_nothrow() )
throw DisposedException( ::rtl::OUString(), *const_cast< PropertyControlContext_Impl* >( this ) );
}
//--------------------------------------------------------------------
void SAL_CALL PropertyControlContext_Impl::dispose()
{
SolarMutexGuard aGuard;
if ( impl_isDisposed_nothrow() )
return;
SharedNotifier::getNotifier()->removeEventsForProcessor( this );
m_pContext = NULL;
}
//--------------------------------------------------------------------
void PropertyControlContext_Impl::setNotificationMode( NotifcationMode _eMode )
{
SolarMutexGuard aGuard;
m_eMode = _eMode;
}
//--------------------------------------------------------------------
void PropertyControlContext_Impl::impl_notify_throw( const Reference< XPropertyControl >& _rxControl, ControlEventType _eType )
{
::comphelper::AnyEventRef pEvent;
{
SolarMutexGuard aGuard;
impl_checkAlive_throw();
pEvent = new ControlEvent( _rxControl, _eType );
if ( m_eMode == eSynchronously )
{
impl_processEvent_throw( *pEvent );
return;
}
}
SharedNotifier::getNotifier()->addEvent( pEvent, this );
}
//--------------------------------------------------------------------
void SAL_CALL PropertyControlContext_Impl::focusGained( const Reference< XPropertyControl >& Control ) throw (RuntimeException)
{
OSL_TRACE( "PropertyControlContext_Impl: FOCUS_GAINED" );
impl_notify_throw( Control, FOCUS_GAINED );
}
//--------------------------------------------------------------------
void SAL_CALL PropertyControlContext_Impl::valueChanged( const Reference< XPropertyControl >& Control ) throw (RuntimeException)
{
OSL_TRACE( "PropertyControlContext_Impl: VALUE_CHANGED" );
impl_notify_throw( Control, VALUE_CHANGED );
}
//--------------------------------------------------------------------
void SAL_CALL PropertyControlContext_Impl::activateNextControl( const Reference< XPropertyControl >& CurrentControl ) throw (RuntimeException)
{
OSL_TRACE( "PropertyControlContext_Impl: ACTIVATE_NEXT" );
impl_notify_throw( CurrentControl, ACTIVATE_NEXT );
}
//--------------------------------------------------------------------
void SAL_CALL PropertyControlContext_Impl::acquire() throw()
{
PropertyControlContext_Impl_Base::acquire();
}
//--------------------------------------------------------------------
void SAL_CALL PropertyControlContext_Impl::release() throw()
{
PropertyControlContext_Impl_Base::release();
}
//--------------------------------------------------------------------
void PropertyControlContext_Impl::processEvent( const ::comphelper::AnyEvent& _rEvent )
{
SolarMutexGuard aGuard;
if ( impl_isDisposed_nothrow() )
return;
try
{
impl_processEvent_throw( _rEvent );
}
catch( const Exception& )
{
// can't handle otherwise, since our caller (the notification thread) does not allow
// for exceptions (it could itself abort only)
DBG_UNHANDLED_EXCEPTION();
}
}
//--------------------------------------------------------------------
void PropertyControlContext_Impl::impl_processEvent_throw( const ::comphelper::AnyEvent& _rEvent )
{
const ControlEvent& rControlEvent = static_cast< const ControlEvent& >( _rEvent );
switch ( rControlEvent.eType )
{
case FOCUS_GAINED:
OSL_TRACE( "PropertyControlContext_Impl::processEvent: FOCUS_GAINED" );
m_pContext->focusGained( rControlEvent.xControl );
break;
case VALUE_CHANGED:
OSL_TRACE( "PropertyControlContext_Impl::processEvent: VALUE_CHANGED" );
m_pContext->valueChanged( rControlEvent.xControl );
break;
case ACTIVATE_NEXT:
OSL_TRACE( "PropertyControlContext_Impl::processEvent: ACTIVATE_NEXT" );
m_pContext->activateNextControl( rControlEvent.xControl );
break;
}
}
//==================================================================
//= OBrowserListBox
//==================================================================
DBG_NAME(OBrowserListBox)
//------------------------------------------------------------------
OBrowserListBox::OBrowserListBox( Window* pParent, WinBits nWinStyle)
:Control(pParent, nWinStyle| WB_CLIPCHILDREN)
,m_aLinesPlayground(this,WB_DIALOGCONTROL | WB_CLIPCHILDREN)
,m_aVScroll(this,WB_VSCROLL|WB_REPEAT|WB_DRAG)
,m_pHelpWindow( new InspectorHelpWindow( this ) )
,m_pLineListener(NULL)
,m_pControlObserver( NULL )
,m_nYOffset(0)
,m_nCurrentPreferredHelpHeight(0)
,m_nTheNameSize(0)
,m_bIsActive(sal_False)
,m_bUpdate(sal_True)
,m_pControlContextImpl( new PropertyControlContext_Impl( *this ) )
{
DBG_CTOR(OBrowserListBox,NULL);
ListBox aListBox(this,WB_DROPDOWN);
aListBox.SetPosSizePixel(Point(0,0),Size(100,100));
m_nRowHeight = (sal_uInt16)aListBox.GetSizePixel().Height()+2;
SetBackground( pParent->GetBackground() );
m_aLinesPlayground.SetBackground( GetBackground() );
m_aLinesPlayground.SetPosPixel(Point(0,0));
m_aLinesPlayground.SetPaintTransparent(sal_True);
m_aLinesPlayground.Show();
m_aVScroll.Hide();
m_aVScroll.SetScrollHdl(LINK(this, OBrowserListBox, ScrollHdl));
}
//------------------------------------------------------------------
OBrowserListBox::~OBrowserListBox()
{
OSL_ENSURE( !IsModified(), "OBrowserListBox::~OBrowserListBox: still modified - should have been committed before!" );
// doing the commit here, while we, as well as our owner, as well as some other components,
// are already "half dead" (means within their dtor) is potentially dangerous.
// By definition, CommitModified has to be called (if necessary) before destruction
m_pControlContextImpl->dispose();
m_pControlContextImpl.clear();
Hide();
Clear();
DBG_DTOR(OBrowserListBox,NULL);
}
//------------------------------------------------------------------
sal_Bool OBrowserListBox::IsModified( ) const
{
sal_Bool bModified = sal_False;
if ( m_bIsActive && m_xActiveControl.is() )
bModified = m_xActiveControl->isModified();
return bModified;
}
//------------------------------------------------------------------
void OBrowserListBox::CommitModified( )
{
if ( IsModified() && m_xActiveControl.is() )
{
// for the time of this commit, notify all events synchronously
// #i63814#
m_pControlContextImpl->setNotificationMode( PropertyControlContext_Impl::eSynchronously );
try
{
m_xActiveControl->notifyModifiedValue();
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
m_pControlContextImpl->setNotificationMode( PropertyControlContext_Impl::eAsynchronously );
}
}
//------------------------------------------------------------------
void OBrowserListBox::ActivateListBox(sal_Bool _bActive)
{
m_bIsActive = _bActive;
if (m_bIsActive)
{
// TODO: what's the sense of this?
m_aVScroll.SetThumbPos(100);
MoveThumbTo(0);
Resize();
}
}
//------------------------------------------------------------------
long OBrowserListBox::impl_getPrefererredHelpHeight()
{
return HasHelpSection() ? m_pHelpWindow->GetOptimalHeightPixel() : 0;
}
//------------------------------------------------------------------
void OBrowserListBox::Resize()
{
Rectangle aPlayground( Point( 0, 0 ), GetOutputSizePixel() );
Size aHelpWindowDistance( LogicToPixel( Size( 0, LAYOUT_HELP_WINDOW_DISTANCE_APPFONT ), MAP_APPFONT ) );
long nHelpWindowHeight = m_nCurrentPreferredHelpHeight = impl_getPrefererredHelpHeight();
bool bPositionHelpWindow = ( nHelpWindowHeight != 0 );
Rectangle aLinesArea( aPlayground );
if ( bPositionHelpWindow )
{
aLinesArea.Bottom() -= nHelpWindowHeight;
aLinesArea.Bottom() -= aHelpWindowDistance.Height();
}
m_aLinesPlayground.SetPosSizePixel( aLinesArea.TopLeft(), aLinesArea.GetSize() );
UpdateVScroll();
sal_Bool bNeedScrollbar = m_aOrderedLines.size() > (sal_uInt32)CalcVisibleLines();
if ( !bNeedScrollbar )
{
if ( m_aVScroll.IsVisible() )
m_aVScroll.Hide();
// scroll to top
m_nYOffset = 0;
m_aVScroll.SetThumbPos( 0 );
}
else
{
Size aVScrollSize( m_aVScroll.GetSizePixel() );
// adjust the playground's width
aLinesArea.Right() -= aVScrollSize.Width();
m_aLinesPlayground.SetPosSizePixel( aLinesArea.TopLeft(), aLinesArea.GetSize() );
// position the scrollbar
aVScrollSize.Height() = aLinesArea.GetHeight();
Point aVScrollPos( aLinesArea.GetWidth(), 0 );
m_aVScroll.SetPosSizePixel( aVScrollPos, aVScrollSize );
}
for ( sal_uInt16 i = 0; i < m_aOrderedLines.size(); ++i )
m_aOutOfDateLines.insert( i );
// repaint
EnablePaint(sal_False);
UpdatePlayGround();
EnablePaint(sal_True);
// show the scrollbar
if ( bNeedScrollbar )
m_aVScroll.Show();
// position the help window
if ( bPositionHelpWindow )
{
Rectangle aHelpArea( aPlayground );
aHelpArea.Top() = aLinesArea.Bottom() + aHelpWindowDistance.Height();
m_pHelpWindow->SetPosSizePixel( aHelpArea.TopLeft(), aHelpArea.GetSize() );
}
}
//------------------------------------------------------------------
void OBrowserListBox::SetListener( IPropertyLineListener* _pListener )
{
m_pLineListener = _pListener;
}
//------------------------------------------------------------------
void OBrowserListBox::SetObserver( IPropertyControlObserver* _pObserver )
{
m_pControlObserver = _pObserver;
}
//------------------------------------------------------------------
void OBrowserListBox::EnableHelpSection( bool _bEnable )
{
m_pHelpWindow->Show( _bEnable );
Resize();
}
//------------------------------------------------------------------
bool OBrowserListBox::HasHelpSection() const
{
return m_pHelpWindow->IsVisible();
}
//------------------------------------------------------------------
void OBrowserListBox::SetHelpText( const ::rtl::OUString& _rHelpText )
{
OSL_ENSURE( HasHelpSection(), "OBrowserListBox::SetHelpText: help section not visible!" );
m_pHelpWindow->SetText( _rHelpText );
if ( m_nCurrentPreferredHelpHeight != impl_getPrefererredHelpHeight() )
Resize();
}
//------------------------------------------------------------------
void OBrowserListBox::SetHelpLineLimites( sal_Int32 _nMinLines, sal_Int32 _nMaxLines )
{
m_pHelpWindow->SetLimits( _nMinLines, _nMaxLines );
}
//------------------------------------------------------------------
sal_uInt16 OBrowserListBox::CalcVisibleLines()
{
Size aSize(m_aLinesPlayground.GetOutputSizePixel());
sal_uInt16 nResult = 0;
if (0 != m_nRowHeight)
nResult = (sal_uInt16) aSize.Height()/m_nRowHeight;
return nResult;
}
//------------------------------------------------------------------
void OBrowserListBox::UpdateVScroll()
{
sal_uInt16 nLines = CalcVisibleLines();
m_aVScroll.SetPageSize(nLines-1);
m_aVScroll.SetVisibleSize(nLines-1);
size_t nCount = m_aLines.size();
if (nCount>0)
{
m_aVScroll.SetRange(Range(0,nCount-1));
m_nYOffset = -m_aVScroll.GetThumbPos()*m_nRowHeight;
}
else
{
m_aVScroll.SetRange(Range(0,0));
m_nYOffset = 0;
}
}
//------------------------------------------------------------------
void OBrowserListBox::PositionLine( sal_uInt16 _nIndex )
{
Size aSize(m_aLinesPlayground.GetOutputSizePixel());
Point aPos(0, m_nYOffset);
aSize.Height() = m_nRowHeight;
aPos.Y() += _nIndex * m_nRowHeight;
if ( _nIndex < m_aOrderedLines.size() )
{
m_aOrderedLines[ _nIndex ]->second.pLine->SetPosSizePixel( aPos, aSize );
m_aOrderedLines[ _nIndex ]->second.pLine->SetTitleWidth( m_nTheNameSize + 2 * FRAME_OFFSET );
// show the line if necessary
if ( !m_aOrderedLines[ _nIndex ]->second.pLine->IsVisible() )
m_aOrderedLines[ _nIndex ]->second.pLine->Show();
}
}
//------------------------------------------------------------------
void OBrowserListBox::UpdatePosNSize()
{
for ( ::std::set< sal_uInt16 >::const_iterator aLoop = m_aOutOfDateLines.begin();
aLoop != m_aOutOfDateLines.end();
++aLoop
)
{
DBG_ASSERT( *aLoop < m_aOrderedLines.size(), "OBrowserListBox::UpdatePosNSize: invalid line index!" );
if ( *aLoop < m_aOrderedLines.size() )
PositionLine( *aLoop );
}
m_aOutOfDateLines.clear();
}
//------------------------------------------------------------------
void OBrowserListBox::UpdatePlayGround()
{
sal_Int32 nThumbPos = m_aVScroll.GetThumbPos();
sal_Int32 nLines = CalcVisibleLines();
sal_uInt16 nEnd = (sal_uInt16)(nThumbPos + nLines);
if (nEnd >= m_aOrderedLines.size())
nEnd = (sal_uInt16)m_aOrderedLines.size()-1;
if ( !m_aOrderedLines.empty() )
{
for ( sal_uInt16 i = (sal_uInt16)nThumbPos; i <= nEnd; ++i )
m_aOutOfDateLines.insert( i );
UpdatePosNSize();
}
}
//------------------------------------------------------------------
void OBrowserListBox::UpdateAll()
{
Resize();
}
//------------------------------------------------------------------
void OBrowserListBox::DisableUpdate()
{
m_bUpdate = sal_False;
}
//------------------------------------------------------------------
void OBrowserListBox::EnableUpdate()
{
m_bUpdate = sal_True;
UpdateAll();
}
//------------------------------------------------------------------
void OBrowserListBox::SetPropertyValue(const ::rtl::OUString& _rEntryName, const Any& _rValue, bool _bUnknownValue )
{
ListBoxLines::iterator line = m_aLines.find( _rEntryName );
if ( line != m_aLines.end() )
{
if ( _bUnknownValue )
{
Reference< XPropertyControl > xControl( line->second.pLine->getControl() );
OSL_ENSURE( xControl.is(), "OBrowserListBox::SetPropertyValue: illegal control!" );
if ( xControl.is() )
xControl->setValue( Any() );
}
else
impl_setControlAsPropertyValue( line->second, _rValue );
}
}
//------------------------------------------------------------------------
sal_uInt16 OBrowserListBox::GetPropertyPos( const ::rtl::OUString& _rEntryName ) const
{
sal_uInt16 nRet = LISTBOX_ENTRY_NOTFOUND;
for ( OrderedListBoxLines::const_iterator linePos = m_aOrderedLines.begin();
linePos != m_aOrderedLines.end();
++linePos
)
{
if ( (*linePos)->first == _rEntryName )
{
nRet = (sal_uInt16)( linePos - m_aOrderedLines.begin() );
break;
}
}
return nRet;
}
//------------------------------------------------------------------------
bool OBrowserListBox::impl_getBrowserLineForName( const ::rtl::OUString& _rEntryName, BrowserLinePointer& _out_rpLine ) const
{
ListBoxLines::const_iterator line = m_aLines.find( _rEntryName );
if ( line != m_aLines.end() )
_out_rpLine = line->second.pLine;
else
_out_rpLine.reset();
return ( NULL != _out_rpLine.get() );
}
//------------------------------------------------------------------------
void OBrowserListBox::EnablePropertyControls( const ::rtl::OUString& _rEntryName, sal_Int16 _nControls, bool _bEnable )
{
BrowserLinePointer pLine;
if ( impl_getBrowserLineForName( _rEntryName, pLine ) )
pLine->EnablePropertyControls( _nControls, _bEnable );
}
//------------------------------------------------------------------------
void OBrowserListBox::EnablePropertyLine( const ::rtl::OUString& _rEntryName, bool _bEnable )
{
BrowserLinePointer pLine;
if ( impl_getBrowserLineForName( _rEntryName, pLine ) )
pLine->EnablePropertyLine( _bEnable );
}
//------------------------------------------------------------------------
Reference< XPropertyControl > OBrowserListBox::GetPropertyControl( const ::rtl::OUString& _rEntryName )
{
BrowserLinePointer pLine;
if ( impl_getBrowserLineForName( _rEntryName, pLine ) )
return pLine->getControl();
return NULL;
}
//------------------------------------------------------------------
sal_uInt16 OBrowserListBox::InsertEntry(const OLineDescriptor& _rPropertyData, sal_uInt16 _nPos)
{
// create a new line
BrowserLinePointer pBrowserLine( new OBrowserLine( _rPropertyData.sName, &m_aLinesPlayground ) );
ListBoxLine aNewLine( pBrowserLine, _rPropertyData.xPropertyHandler );
::std::pair< ListBoxLines::iterator, bool > insertPoint =
m_aLines.insert( ListBoxLines::value_type( _rPropertyData.sName, aNewLine ) );
OSL_ENSURE( insertPoint.second, "OBrowserListBox::InsertEntry: already have another line for this name!" );
sal_uInt16 nInsertPos = _nPos;
if ( nInsertPos > m_aOrderedLines.size() )
nInsertPos = EDITOR_LIST_APPEND;
if ( EDITOR_LIST_APPEND == nInsertPos )
{
nInsertPos = (sal_uInt16)m_aOrderedLines.size();
m_aOrderedLines.push_back( insertPoint.first );
}
else
m_aOrderedLines.insert( m_aOrderedLines.begin() + nInsertPos, insertPoint.first );
pBrowserLine->SetTitleWidth(m_nTheNameSize);
if (m_bUpdate)
{
UpdateVScroll();
Invalidate();
}
// initialize the entry
ChangeEntry(_rPropertyData, nInsertPos);
// update the positions of possibly affected lines
sal_uInt16 nUpdatePos = nInsertPos;
while ( nUpdatePos < m_aOrderedLines.size() )
m_aOutOfDateLines.insert( nUpdatePos++ );
UpdatePosNSize( );
return nInsertPos;
}
//------------------------------------------------------------------
sal_Int32 OBrowserListBox::GetMinimumWidth()
{
return m_nTheNameSize + 2 * FRAME_OFFSET + (m_nRowHeight - 4) * 8;
}
//------------------------------------------------------------------
sal_Int32 OBrowserListBox::GetMinimumHeight()
{
// assume that we want to display 5 rows, at least
sal_Int32 nMinHeight = m_nRowHeight * 5;
if ( HasHelpSection() )
{
Size aHelpWindowDistance( LogicToPixel( Size( 0, LAYOUT_HELP_WINDOW_DISTANCE_APPFONT ), MAP_APPFONT ) );
nMinHeight += aHelpWindowDistance.Height();
nMinHeight += m_pHelpWindow->GetMinimalHeightPixel();
}
return nMinHeight;
}
//------------------------------------------------------------------
void OBrowserListBox::ShowEntry(sal_uInt16 _nPos)
{
if ( _nPos < m_aOrderedLines.size() )
{
sal_Int32 nThumbPos = m_aVScroll.GetThumbPos();
if (_nPos < nThumbPos)
MoveThumbTo(_nPos);
else
{
sal_Int32 nLines = CalcVisibleLines();
if (_nPos >= nThumbPos + nLines)
MoveThumbTo(_nPos - nLines + 1);
}
}
}
//------------------------------------------------------------------
void OBrowserListBox::MoveThumbTo(sal_Int32 _nNewThumbPos)
{
// disable painting to prevent flicker
m_aLinesPlayground.EnablePaint(sal_False);
sal_Int32 nDelta = _nNewThumbPos - m_aVScroll.GetThumbPos();
// adjust the scrollbar
m_aVScroll.SetThumbPos(_nNewThumbPos);
sal_Int32 nThumbPos = _nNewThumbPos;
m_nYOffset = -m_aVScroll.GetThumbPos() * m_nRowHeight;
sal_Int32 nLines = CalcVisibleLines();
sal_uInt16 nEnd = (sal_uInt16)(nThumbPos + nLines);
m_aLinesPlayground.Scroll(0, -nDelta * m_nRowHeight, SCROLL_CHILDREN);
if (1 == nDelta)
{
// TODO: what's the sense of this two PositionLines? Why not just one call?
PositionLine(nEnd-1);
PositionLine(nEnd);
}
else if (-1 == nDelta)
{
PositionLine((sal_uInt16)nThumbPos);
}
else if (0 != nDelta)
{
UpdatePlayGround();
}
m_aLinesPlayground.EnablePaint(sal_True);
m_aLinesPlayground.Invalidate(INVALIDATE_CHILDREN);
}
//------------------------------------------------------------------
IMPL_LINK(OBrowserListBox, ScrollHdl, ScrollBar*, _pScrollBar )
{
DBG_ASSERT(_pScrollBar == &m_aVScroll, "OBrowserListBox::ScrollHdl: where does this come from?");
(void)_pScrollBar;
// disable painting to prevent flicker
m_aLinesPlayground.EnablePaint(sal_False);
sal_Int32 nThumbPos = m_aVScroll.GetThumbPos();
sal_Int32 nDelta = m_aVScroll.GetDelta();
m_nYOffset = -nThumbPos * m_nRowHeight;
sal_uInt16 nEnd = (sal_uInt16)(nThumbPos + CalcVisibleLines());
m_aLinesPlayground.Scroll(0, -nDelta * m_nRowHeight, SCROLL_CHILDREN);
if (1 == nDelta)
{
PositionLine(nEnd-1);
PositionLine(nEnd);
}
else if (nDelta==-1)
{
PositionLine((sal_uInt16)nThumbPos);
}
else if (nDelta!=0 || m_aVScroll.GetType() == SCROLL_DONTKNOW)
{
UpdatePlayGround();
}
m_aLinesPlayground.EnablePaint(sal_True);
return 0;
}
//------------------------------------------------------------------
void OBrowserListBox::buttonClicked( OBrowserLine* _pLine, sal_Bool _bPrimary )
{
DBG_ASSERT( _pLine, "OBrowserListBox::buttonClicked: invalid browser line!" );
if ( _pLine && m_pLineListener )
{
m_pLineListener->Clicked( _pLine->GetEntryName(), _bPrimary );
}
}
//------------------------------------------------------------------
void OBrowserListBox::impl_setControlAsPropertyValue( const ListBoxLine& _rLine, const Any& _rPropertyValue )
{
Reference< XPropertyControl > xControl( _rLine.pLine->getControl() );
try
{
if ( _rPropertyValue.getValueType().equals( _rLine.pLine->getControl()->getValueType() ) )
{
xControl->setValue( _rPropertyValue );
}
else
{
#ifdef DBG_UTIL
if ( !_rLine.xHandler.is() )
{
::rtl::OString sMessage( "OBrowserListBox::impl_setControlAsPropertyValue: no handler -> no conversion (property: '" );
::rtl::OUString sPropertyName( _rLine.pLine->GetEntryName() );
sMessage += ::rtl::OString( sPropertyName.getStr(), sPropertyName.getLength(), RTL_TEXTENCODING_ASCII_US );
sMessage += ::rtl::OString( "')!" );
OSL_FAIL( sMessage.getStr() );
}
#endif
if ( _rLine.xHandler.is() )
{
Any aControlValue = _rLine.xHandler->convertToControlValue(
_rLine.pLine->GetEntryName(), _rPropertyValue, xControl->getValueType() );
xControl->setValue( aControlValue );
}
}
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
}
//------------------------------------------------------------------
Any OBrowserListBox::impl_getControlAsPropertyValue( const ListBoxLine& _rLine ) const
{
Reference< XPropertyControl > xControl( _rLine.pLine->getControl() );
Any aPropertyValue;
try
{
#ifdef DBG_UTIL
if ( !_rLine.xHandler.is() )
{
::rtl::OString sMessage( "OBrowserListBox::impl_getControlAsPropertyValue: no handler -> no conversion (property: '" );
::rtl::OUString sPropertyName( _rLine.pLine->GetEntryName() );
sMessage += ::rtl::OString( sPropertyName.getStr(), sPropertyName.getLength(), RTL_TEXTENCODING_ASCII_US );
sMessage += ::rtl::OString( "')!" );
OSL_FAIL( sMessage.getStr() );
}
#endif
if ( _rLine.xHandler.is() )
aPropertyValue = _rLine.xHandler->convertToPropertyValue( _rLine.pLine->GetEntryName(), xControl->getValue() );
else
aPropertyValue = xControl->getValue();
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
return aPropertyValue;
}
//------------------------------------------------------------------
sal_uInt16 OBrowserListBox::impl_getControlPos( const Reference< XPropertyControl >& _rxControl ) const
{
for ( OrderedListBoxLines::const_iterator search = m_aOrderedLines.begin();
search != m_aOrderedLines.end();
++search
)
if ( (*search)->second.pLine->getControl().get() == _rxControl.get() )
return sal_uInt16( search - m_aOrderedLines.begin() );
OSL_FAIL( "OBrowserListBox::impl_getControlPos: invalid control - not part of any of our lines!" );
return (sal_uInt16)-1;
}
//--------------------------------------------------------------------
void SAL_CALL OBrowserListBox::focusGained( const Reference< XPropertyControl >& _rxControl ) throw (RuntimeException)
{
DBG_TESTSOLARMUTEX();
DBG_ASSERT( _rxControl.is(), "OBrowserListBox::focusGained: invalid event source!" );
if ( !_rxControl.is() )
return;
if ( m_pControlObserver )
m_pControlObserver->focusGained( _rxControl );
m_xActiveControl = _rxControl;
ShowEntry( impl_getControlPos( m_xActiveControl ) );
}
//--------------------------------------------------------------------
void SAL_CALL OBrowserListBox::valueChanged( const Reference< XPropertyControl >& _rxControl ) throw (RuntimeException)
{
DBG_TESTSOLARMUTEX();
DBG_ASSERT( _rxControl.is(), "OBrowserListBox::valueChanged: invalid event source!" );
if ( !_rxControl.is() )
return;
if ( m_pControlObserver )
m_pControlObserver->valueChanged( _rxControl );
if ( m_pLineListener )
{
const ListBoxLine& rLine = impl_getControlLine( _rxControl );
m_pLineListener->Commit(
rLine.pLine->GetEntryName(),
impl_getControlAsPropertyValue( rLine )
);
}
}
//--------------------------------------------------------------------
void SAL_CALL OBrowserListBox::activateNextControl( const Reference< XPropertyControl >& _rxCurrentControl ) throw (RuntimeException)
{
DBG_TESTSOLARMUTEX();
sal_uInt16 nLine = impl_getControlPos( _rxCurrentControl );
// cycle forwards, 'til we've the next control which can grab the focus
++nLine;
while ( (size_t)nLine < m_aOrderedLines.size() )
{
if ( m_aOrderedLines[nLine]->second.pLine->GrabFocus() )
break;
++nLine;
}
if ( ( (size_t)nLine >= m_aOrderedLines.size() )
&& ( m_aOrderedLines.size() > 0 )
)
// wrap around
m_aOrderedLines[0]->second.pLine->GrabFocus();
}
//------------------------------------------------------------------
namespace
{
//..............................................................
void lcl_implDisposeControl_nothrow( const Reference< XPropertyControl >& _rxControl )
{
if ( !_rxControl.is() )
return;
try
{
_rxControl->setControlContext( NULL );
Reference< XComponent > xControlComponent( _rxControl, UNO_QUERY );
if ( xControlComponent.is() )
xControlComponent->dispose();
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
}
}
//------------------------------------------------------------------
void OBrowserListBox::Clear()
{
for ( ListBoxLines::iterator loop = m_aLines.begin();
loop != m_aLines.end();
++loop
)
{
// hide the line
loop->second.pLine->Hide();
// reset the listener
lcl_implDisposeControl_nothrow( loop->second.pLine->getControl() );
}
clearContainer( m_aLines );
clearContainer( m_aOrderedLines );
}
//------------------------------------------------------------------
sal_Bool OBrowserListBox::RemoveEntry( const ::rtl::OUString& _rName )
{
sal_uInt16 nPos = GetPropertyPos( _rName );
if ( nPos == LISTBOX_ENTRY_NOTFOUND )
return sal_False;
OrderedListBoxLines::iterator orderedPos = m_aOrderedLines.begin() + nPos;
BrowserLinePointer pLine = (*orderedPos)->second.pLine;
pLine->Hide();
lcl_implDisposeControl_nothrow( pLine->getControl() );
m_aLines.erase( *orderedPos );
m_aOrderedLines.erase( orderedPos );
m_aOutOfDateLines.erase( (sal_uInt16)m_aOrderedLines.size() );
// this index *may* have been out of date, which is obsoleted now by m_aOrderedLines shrinking
// update the positions of possibly affected lines
while ( nPos < m_aOrderedLines.size() )
m_aOutOfDateLines.insert( nPos++ );
UpdatePosNSize( );
return sal_True;
}
//------------------------------------------------------------------
void OBrowserListBox::ChangeEntry( const OLineDescriptor& _rPropertyData, sal_uInt16 nPos )
{
OSL_PRECOND( _rPropertyData.Control.is(), "OBrowserListBox::ChangeEntry: invalid control!" );
if ( !_rPropertyData.Control.is() )
return;
if ( nPos == EDITOR_LIST_REPLACE_EXISTING )
nPos = GetPropertyPos( _rPropertyData.sName );
if ( nPos < m_aOrderedLines.size() )
{
Window* pRefWindow = NULL;
if ( nPos > 0 )
pRefWindow = m_aOrderedLines[nPos-1]->second.pLine->GetRefWindow();
// the current line and control
ListBoxLine& rLine = m_aOrderedLines[nPos]->second;
// the old control and some data about it
Reference< XPropertyControl > xControl = rLine.pLine->getControl();
Window* pControlWindow = rLine.pLine->getControlWindow();
Point aControlPos;
if ( pControlWindow )
aControlPos = pControlWindow->GetPosPixel();
// clean up the old control
lcl_implDisposeControl_nothrow( xControl );
// set the new control at the line
rLine.pLine->setControl( _rPropertyData.Control );
xControl = rLine.pLine->getControl();
if ( xControl.is() )
xControl->setControlContext( m_pControlContextImpl.get() );
// the initial property value
if ( _rPropertyData.bUnknownValue )
xControl->setValue( Any() );
else
impl_setControlAsPropertyValue( rLine, _rPropertyData.aValue );
rLine.pLine->SetTitle(_rPropertyData.DisplayName);
rLine.xHandler = _rPropertyData.xPropertyHandler;
sal_uInt16 nTextWidth = (sal_uInt16)m_aLinesPlayground.GetTextWidth(_rPropertyData.DisplayName);
if (m_nTheNameSize< nTextWidth)
m_nTheNameSize = nTextWidth;
if ( _rPropertyData.HasPrimaryButton )
{
if ( _rPropertyData.PrimaryButtonImageURL.getLength() )
rLine.pLine->ShowBrowseButton( _rPropertyData.PrimaryButtonImageURL, true );
else if ( _rPropertyData.PrimaryButtonImage.is() )
rLine.pLine->ShowBrowseButton( Image( _rPropertyData.PrimaryButtonImage ), true );
else
rLine.pLine->ShowBrowseButton( true );
if ( _rPropertyData.HasSecondaryButton )
{
if ( _rPropertyData.SecondaryButtonImageURL.getLength() )
rLine.pLine->ShowBrowseButton( _rPropertyData.SecondaryButtonImageURL, false );
else if ( _rPropertyData.SecondaryButtonImage.is() )
rLine.pLine->ShowBrowseButton( Image( _rPropertyData.SecondaryButtonImage ), false );
else
rLine.pLine->ShowBrowseButton( false );
}
else
rLine.pLine->HideBrowseButton( false );
rLine.pLine->SetClickListener( this );
}
else
{
rLine.pLine->HideBrowseButton( true );
rLine.pLine->HideBrowseButton( false );
}
DBG_ASSERT( ( _rPropertyData.IndentLevel == 0 ) || ( _rPropertyData.IndentLevel == 1 ),
"OBrowserListBox::ChangeEntry: unsupported indent level!" );
rLine.pLine->IndentTitle( _rPropertyData.IndentLevel > 0 );
if ( nPos > 0 )
rLine.pLine->SetTabOrder( pRefWindow, WINDOW_ZORDER_BEHIND );
else
rLine.pLine->SetTabOrder( pRefWindow, WINDOW_ZORDER_FIRST );
m_aOutOfDateLines.insert( nPos );
rLine.pLine->SetComponentHelpIds(
HelpIdUrl::getHelpId( _rPropertyData.HelpURL ),
rtl::OUStringToOString( _rPropertyData.PrimaryButtonId, RTL_TEXTENCODING_UTF8 ),
rtl::OUStringToOString( _rPropertyData.SecondaryButtonId, RTL_TEXTENCODING_UTF8 )
);
if ( _rPropertyData.bReadOnly )
{
rLine.pLine->SetReadOnly( true );
// user controls (i.e. the ones not provided by the usual
// XPropertyControlFactory) have no chance to know that they should be read-only,
// since XPropertyHandler::describePropertyLine does not transport this
// information.
// So, we manually switch this to read-only.
if ( xControl.is() && ( xControl->getControlType() == PropertyControlType::Unknown ) )
{
Edit* pControlWindowAsEdit = dynamic_cast< Edit* >( rLine.pLine->getControlWindow() );
if ( pControlWindowAsEdit )
pControlWindowAsEdit->SetReadOnly( sal_True );
else
pControlWindowAsEdit->Enable( sal_False );
}
}
}
}
//------------------------------------------------------------------
long OBrowserListBox::PreNotify( NotifyEvent& _rNEvt )
{
switch ( _rNEvt.GetType() )
{
case EVENT_KEYINPUT:
{
const KeyEvent* pKeyEvent = _rNEvt.GetKeyEvent();
if ( ( pKeyEvent->GetKeyCode().GetModifier() != 0 )
|| ( ( pKeyEvent->GetKeyCode().GetCode() != KEY_PAGEUP )
&& ( pKeyEvent->GetKeyCode().GetCode() != KEY_PAGEDOWN )
)
)
break;
long nScrollOffset = 0;
if ( m_aVScroll.IsVisible() )
{
if ( pKeyEvent->GetKeyCode().GetCode() == KEY_PAGEUP )
nScrollOffset = -m_aVScroll.GetPageSize();
else if ( pKeyEvent->GetKeyCode().GetCode() == KEY_PAGEDOWN )
nScrollOffset = m_aVScroll.GetPageSize();
}
if ( nScrollOffset )
{
long nNewThumbPos = m_aVScroll.GetThumbPos() + nScrollOffset;
nNewThumbPos = ::std::max( nNewThumbPos, m_aVScroll.GetRangeMin() );
nNewThumbPos = ::std::min( nNewThumbPos, m_aVScroll.GetRangeMax() );
m_aVScroll.DoScroll( nNewThumbPos );
nNewThumbPos = m_aVScroll.GetThumbPos();
sal_uInt16 nFocusControlPos = 0;
sal_uInt16 nActiveControlPos = impl_getControlPos( m_xActiveControl );
if ( nActiveControlPos < nNewThumbPos )
nFocusControlPos = (sal_uInt16)nNewThumbPos;
else if ( nActiveControlPos >= nNewThumbPos + CalcVisibleLines() )
nFocusControlPos = (sal_uInt16)nNewThumbPos + CalcVisibleLines() - 1;
if ( nFocusControlPos )
{
if ( nFocusControlPos < m_aOrderedLines.size() )
{
m_aOrderedLines[ nFocusControlPos ]->second.pLine->GrabFocus();
}
else
OSL_FAIL( "OBrowserListBox::PreNotify: internal error, invalid focus control position!" );
}
}
return 1L;
// handled this. In particular, we also consume PageUp/Down events if we do not use them for scrolling,
// otherwise they would be used to scroll the document view, which does not sound like it is desired by
// the user.
}
}
return Control::PreNotify( _rNEvt );
}
//------------------------------------------------------------------
long OBrowserListBox::Notify( NotifyEvent& _rNEvt )
{
switch ( _rNEvt.GetType() )
{
case EVENT_COMMAND:
{
const CommandEvent* pCommand = _rNEvt.GetCommandEvent();
if ( ( COMMAND_WHEEL == pCommand->GetCommand() )
|| ( COMMAND_STARTAUTOSCROLL == pCommand->GetCommand() )
|| ( COMMAND_AUTOSCROLL == pCommand->GetCommand() )
)
{
// interested in scroll events if we have a scrollbar
if ( m_aVScroll.IsVisible() )
{
HandleScrollCommand( *pCommand, NULL, &m_aVScroll );
}
}
}
break;
}
return Control::Notify( _rNEvt );
}
//............................................................................
} // namespace pcr
//............................................................................
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */