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 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
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 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_basctl.hxx"

#include <limits>

#include <vcl/sound.hxx>

// #define ITEMID_SEARCH SID_SEARCH_ITEM
#define _SVX_NOIDERESIDS
#include <brkdlg.hxx>
#include <brkdlg.hrc>
#include <basidesh.hxx>
#include <basidesh.hrc>
#include <iderdll.hxx>
#include <sfx2/dispatch.hxx>
#include <sfx2/viewfrm.hxx>

// FIXME  Why does BreakPointDialog allow only sal_uInt16 for break-point line
// numbers, whereas BreakPoint supports sal_uLong?

bool lcl_ParseText( String aText, sal_uInt16& rLineNr )
{
    // aText should look like "# n" where
    // n > 0 && n < std::numeric_limits< sal_uInt16 >::max().
    // All spaces are ignored, so there can even be spaces within the
    // number n.  (Maybe it would be better to ignore all whitespace instead
    // of just spaces.)
    aText.EraseAllChars(' ');
    sal_Unicode cFirst = aText.GetChar(0);
    if (cFirst != '#' && !(cFirst >= '0' && cFirst <= '9'))
        return false;
    if (cFirst == '#')
        aText.Erase(0, 1);
    // XXX Assumes that sal_uInt16 is contained within sal_Int32:
    sal_Int32 n = aText.ToInt32();
    if (n <= 0 || n > std::numeric_limits< sal_uInt16 >::max())
        return false;
    rLineNr = static_cast< sal_uInt16 >(n);
    return true;
}

BreakPointDialog::BreakPointDialog( Window* pParent, BreakPointList& rBrkPntList ) :
		ModalDialog( pParent, IDEResId( RID_BASICIDE_BREAKPOINTDLG ) ),
		aComboBox( 		this, IDEResId( RID_CB_BRKPOINTS ) ),
		aOKButton( 		this, IDEResId( RID_PB_OK ) ),
		aCancelButton(	this, IDEResId( RID_PB_CANCEL ) ),
		aNewButton(		this, IDEResId( RID_PB_NEW ) ),
		aDelButton( 	this, IDEResId( RID_PB_DEL ) ),
		aCheckBox( 		this, IDEResId( RID_CHKB_ACTIVE ) ),
		aBrkText( 		this, IDEResId( RID_FT_BRKPOINTS ) ),
		aPassText( 		this, IDEResId( RID_FT_PASS ) ),
		aNumericField( 	this, IDEResId( RID_FLD_PASS ) ),
        m_rOriginalBreakPointList(rBrkPntList),
        m_aModifiedBreakPointList(rBrkPntList)
{
	FreeResource();

	aComboBox.SetUpdateMode( sal_False );
	BreakPoint* pBrk = m_aModifiedBreakPointList.First();
	BreakPoint* pFirstBrk = pBrk;
	while ( pBrk )
	{
		String aEntryStr( RTL_CONSTASCII_USTRINGPARAM( "# " ) );
		aEntryStr += String::CreateFromInt32( pBrk->nLine );
		aComboBox.InsertEntry( aEntryStr, COMBOBOX_APPEND );
		pBrk = m_aModifiedBreakPointList.Next();
	}
	aComboBox.SetUpdateMode( sal_True );

	aOKButton.SetClickHdl( LINK( this, BreakPointDialog, ButtonHdl ) );
	aNewButton.SetClickHdl( LINK( this, BreakPointDialog, ButtonHdl ) );
	aDelButton.SetClickHdl( LINK( this, BreakPointDialog, ButtonHdl ) );
//	aShowButton.SetClickHdl( LINK( this, BreakPointDialog, ButtonHdl ) );

	aCheckBox.SetClickHdl( LINK( this, BreakPointDialog, CheckBoxHdl ) );
	aComboBox.SetSelectHdl( LINK( this, BreakPointDialog, ComboBoxHighlightHdl ) );
	aComboBox.SetModifyHdl( LINK( this, BreakPointDialog, EditModifyHdl ) );
	aComboBox.GrabFocus();

	aNumericField.SetMin( 0 );
	aNumericField.SetMax( 0x7FFFFFFF );
	aNumericField.SetSpinSize( 1 );
	aNumericField.SetStrictFormat( sal_True );
	aNumericField.SetModifyHdl( LINK( this, BreakPointDialog, EditModifyHdl ) );

	aComboBox.SetText( aComboBox.GetEntry( 0 ) );
	UpdateFields( pFirstBrk );

	CheckButtons();
}

void BreakPointDialog::SetCurrentBreakPoint( BreakPoint* pBrk )
{
	String aStr( RTL_CONSTASCII_USTRINGPARAM( "# " ) );
	aStr += String::CreateFromInt32( pBrk->nLine );
    aComboBox.SetText( aStr );
    UpdateFields( pBrk );
}

void BreakPointDialog::CheckButtons()
{
    // "New" button is enabled if the combo box edit contains a valid line
    // number that is not already present in the combo box list; otherwise
    // "OK" and "Delete" buttons are enabled:
    sal_uInt16 nLine;
    if (lcl_ParseText(aComboBox.GetText(), nLine)
        && m_aModifiedBreakPointList.FindBreakPoint(nLine) == 0)
    {
        aNewButton.Enable();
        aOKButton.Disable();
        aDelButton.Disable();
    }
    else
    {
        aNewButton.Disable();
        aOKButton.Enable();
        aDelButton.Enable();
    }
}

IMPL_LINK_INLINE_START( BreakPointDialog, CheckBoxHdl, CheckBox *, pChkBx )
{
	BreakPoint* pBrk = GetSelectedBreakPoint();
	if ( pBrk )
		pBrk->bEnabled = pChkBx->IsChecked();

	return 0;
}
IMPL_LINK_INLINE_END( BreakPointDialog, CheckBoxHdl, CheckBox *, pChkBx )



IMPL_LINK( BreakPointDialog, ComboBoxHighlightHdl, ComboBox *, pBox )
{
	aNewButton.Disable();
	aOKButton.Enable();
	aDelButton.Enable();

	sal_uInt16 nEntry = pBox->GetEntryPos( pBox->GetText() );
	BreakPoint* pBrk = m_aModifiedBreakPointList.GetObject( nEntry );
	DBG_ASSERT( pBrk, "Kein passender Breakpoint zur Liste ?" );
	UpdateFields( pBrk );

	return 0;
}



IMPL_LINK( BreakPointDialog, EditModifyHdl, Edit *, pEdit )
{
	if ( pEdit == &aComboBox )
		CheckButtons();
	else if ( pEdit == &aNumericField )
	{
		BreakPoint* pBrk = GetSelectedBreakPoint();
		if ( pBrk )
			pBrk->nStopAfter = pEdit->GetText().ToInt32();
	}
	return 0;
}



IMPL_LINK( BreakPointDialog, ButtonHdl, Button *, pButton )
{
	if ( pButton == &aOKButton )
    {
        m_rOriginalBreakPointList.transfer(m_aModifiedBreakPointList);
		EndDialog( 1 );
    }
	else if ( pButton == &aNewButton )
	{
		// Checkbox beruecksichtigen!
		String aText( aComboBox.GetText() );
		sal_uInt16 nLine;
		sal_Bool bValid = lcl_ParseText( aText, nLine );
		if ( bValid )
		{
			BreakPoint* pBrk = new BreakPoint( nLine );
			pBrk->bEnabled = aCheckBox.IsChecked();
			pBrk->nStopAfter = (sal_uLong) aNumericField.GetValue();
			m_aModifiedBreakPointList.InsertSorted( pBrk );
			String aEntryStr( RTL_CONSTASCII_USTRINGPARAM( "# " ) );
			aEntryStr += String::CreateFromInt32( pBrk->nLine );
			aComboBox.InsertEntry( aEntryStr, COMBOBOX_APPEND );
            BasicIDEShell* pIDEShell = IDE_DLL()->GetShell();
            SfxViewFrame* pViewFrame = pIDEShell ? pIDEShell->GetViewFrame() : NULL;
	        SfxDispatcher* pDispatcher = pViewFrame ? pViewFrame->GetDispatcher() : NULL;
			if( pDispatcher )
			{
				pDispatcher->Execute( SID_BASICIDE_BRKPNTSCHANGED );
			}
		}
		else
		{
			aComboBox.SetText( aText );
			aComboBox.GrabFocus();
			Sound::Beep();
		}
		CheckButtons();
	}
	else if ( pButton == &aDelButton )
	{
		sal_uInt16 nEntry = aComboBox.GetEntryPos( aComboBox.GetText() );
		BreakPoint* pBrk = m_aModifiedBreakPointList.GetObject( nEntry );
		if ( pBrk )
		{
			delete m_aModifiedBreakPointList.Remove( pBrk );
			aComboBox.RemoveEntry( nEntry );
			if ( nEntry && !( nEntry < aComboBox.GetEntryCount() ) )
				nEntry--;
			aComboBox.SetText( aComboBox.GetEntry( nEntry ) );
            BasicIDEShell* pIDEShell = IDE_DLL()->GetShell();
            SfxViewFrame* pViewFrame = pIDEShell ? pIDEShell->GetViewFrame() : NULL;
	        SfxDispatcher* pDispatcher = pViewFrame ? pViewFrame->GetDispatcher() : NULL;

            if( pDispatcher )
			{
				pDispatcher->Execute( SID_BASICIDE_BRKPNTSCHANGED );
			}
		}
		CheckButtons();
	}
//	else if ( pButton == &aShowButton )
//	{
//		;
//	}

	return 0;
}



void BreakPointDialog::UpdateFields( BreakPoint* pBrk )
{
	if ( pBrk )
	{
		aCheckBox.Check( pBrk->bEnabled );
		aNumericField.SetValue( pBrk->nStopAfter );
	}
}



BreakPoint* BreakPointDialog::GetSelectedBreakPoint()
{
	sal_uInt16 nEntry = aComboBox.GetEntryPos( aComboBox.GetText() );
	BreakPoint* pBrk = m_aModifiedBreakPointList.GetObject( nEntry );
	return pBrk;
}