params_read_write.cpp

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/*
 * This program source code file is part of KICAD, a free EDA CAD application.
 *
 * Copyright (C) 2011 jean-pierre.charras
 * Copyright (C) 2011 Kicad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include <wx/app.h>
#include <wx/colour.h>
#include <wx/msgdlg.h>

#include <calculator_panels/panel_transline.h>
#include <pcb_calculator_frame.h>
#include <transline/transline.h>

/*
 * Return the value from a string,
 * Unlike standard string to double conversion,
 * both point and comma F.P. separator are accepted
 * and values having units (like 4.7 K) are accepted
 * but units are ignored.
 * notation like 1e+3 is legal
 */
double DoubleFromString( const wxString& TextValue )
{
 double value = 0;

 /* Acquire the 'right' decimal point separator */
 const struct lconv* lc = localeconv();
 wxChar decimal_point = lc->decimal_point[0];
 wxString buf( TextValue.Strip( wxString::both ) );

 /* Convert the period in decimal point */
 buf.Replace( wxT( "." ), wxString( decimal_point, 1 ) );
 // An ugly fix needed by WxWidgets 2.9.1 that sometimes
 // back to a point as separator, although the separator is the comma
 buf.Replace( wxT( "," ), wxString( decimal_point, 1 ) );

 /* Find the end of the numeric part
 *(when units are append to the number, remove them)
 */
 unsigned brk_point = 0;
 while( brk_point < buf.Len() )
 {
 wxChar ch = buf[brk_point];
 if( !( ( ch >= '0' && ch <= '9' ) || ( ch == decimal_point ) || ( ch == '-' )
 || ( ch == '+' ) || ( ch == 'e' ) || ( ch == 'E' ) ) )
 {
 break;
 }
 ++brk_point;
 }

 // Check for strings that cannot qualify as a number
 if( brk_point == 0 )
 return std::nan( "" );

 /* Extract the numeric part */
 if( !buf.Left( brk_point ).ToDouble( &value ) )
 return std::nan( "" );

 return value;
}


// A helper function to get a reference to the PANEL_TRANSLINE
PANEL_TRANSLINE* getTranslinePanel()
{
 PCB_CALCULATOR_FRAME* frame = (PCB_CALCULATOR_FRAME*) wxTheApp->GetTopWindow();
 PANEL_TRANSLINE* transline = frame->GetCalculator<PANEL_TRANSLINE>();

 wxASSERT( transline );
 return transline;
}


// Functions to Read/Write parameters in pcb_calculator main frame:
// They are only wrapper to actual functions, so all transline functions do not
// depend on Graphic User Interface
void SetPropertyInDialog( enum PRMS_ID aPrmId, double value )
{
 getTranslinePanel()->SetPrmValue( aPrmId, value );
}

void SetPropertyBgColorInDialog( enum PRMS_ID aPrmId, const KIGFX::COLOR4D* aCol )
{
 getTranslinePanel()->SetPrmBgColor( aPrmId, aCol );
}

/* Puts the text into the given result line.
*/
void SetResultInDialog( int line, const char* aText )
{
 wxString msg = wxString::FromUTF8( aText );
 getTranslinePanel()->SetResult( line, msg );
}

/* print aValue into the given result line.
*/
void SetResultInDialog( int aLineNumber, double aValue, const char* aText )
{
 wxString msg = wxString::FromUTF8( aText );
 wxString fullmsg;
 fullmsg.Printf( wxT( "%g " ), aValue );
 fullmsg += msg;
 getTranslinePanel()->SetResult( aLineNumber, fullmsg );
}

/* Returns a named property value. */
double GetPropertyInDialog( enum PRMS_ID aPrmId )
{
 return getTranslinePanel()->GetPrmValue( aPrmId );
}

// Returns true if the param aPrmId is selected
// Has meaning only for params that have a radio button
bool IsSelectedInDialog( enum PRMS_ID aPrmId )
{
 return getTranslinePanel()->IsPrmSelected( aPrmId );
}


double PANEL_TRANSLINE::GetPrmValue( enum PRMS_ID aPrmId ) const
{
 TRANSLINE_IDENT* tr_ident = m_transline_list[m_currTransLineType];

 for( unsigned ii = 0; ii < tr_ident->GetPrmsCount(); ii++ )
 {
 TRANSLINE_PRM* prm = tr_ident->GetPrm( ii );

 if( aPrmId == prm->m_Id )
 return prm->m_NormalizedValue;
 }

 return 1.0;
}

void PANEL_TRANSLINE::SetPrmValue( enum PRMS_ID aPrmId, double aValue )
{
 TRANSLINE_IDENT* tr_ident = m_transline_list[m_currTransLineType];

 for( unsigned ii = 0; ii < tr_ident->GetPrmsCount(); ii++ )
 {
 TRANSLINE_PRM* prm = tr_ident->GetPrm( ii );

 if( aPrmId == prm->m_Id )
 {
 prm->m_NormalizedValue = aValue;
 prm->m_Value = prm->m_NormalizedValue * prm->ToUserUnit();
 wxString msg;
 msg.Printf( wxT( "%g" ), prm->m_Value );
 ( (wxTextCtrl*) prm->m_ValueCtrl )->SetValue( msg );
 return;
 }
 }
 wxLogMessage( wxT( "GetPrmValue: prm %d not found" ), (int) aPrmId );
}

void PANEL_TRANSLINE::SetPrmBgColor( enum PRMS_ID aPrmId, const KIGFX::COLOR4D* aCol )
{
 wxColour wxcol = wxColour( static_cast<unsigned char>( aCol->r * 255 ),
 static_cast<unsigned char>( aCol->g * 255 ),
 static_cast<unsigned char>( aCol->b * 255 ) );

 if( !wxcol.IsOk() )
 return;

 TRANSLINE_IDENT* tr_ident = m_transline_list[m_currTransLineType];

 for( unsigned ii = 0; ii < tr_ident->GetPrmsCount(); ii++ )
 {
 TRANSLINE_PRM* prm = tr_ident->GetPrm( ii );
 wxTextCtrl* ctl = static_cast<wxTextCtrl*>( prm->m_ValueCtrl );

 if( aPrmId == prm->m_Id )
 {
 ctl->SetBackgroundColour( wxcol );
 ctl->SetStyle( 0, -1, ctl->GetDefaultStyle() );
 return;
 }

 }
}

void PANEL_TRANSLINE::SetResult( int aLineNumber, const wxString& aText )
{
 #define MSG_CNT_MAX 8
 wxStaticText* messages[MSG_CNT_MAX] =
 { m_Message1, m_Message2, m_Message3,
 m_Message4, m_Message5, m_Message6,
 m_Message7, m_Message8
 };

 wxASSERT( ( aLineNumber >= 0 ) && ( aLineNumber < MSG_CNT_MAX ) );

 if( aLineNumber < 0 )
 aLineNumber = 0;

 if( aLineNumber >= MSG_CNT_MAX )
 aLineNumber = MSG_CNT_MAX - 1;

 messages[aLineNumber]->SetLabel( aText );
}

bool PANEL_TRANSLINE::IsPrmSelected( enum PRMS_ID aPrmId ) const
{
 switch( aPrmId )
 {
 default:
 wxMessageBox( wxT( "IsPrmSelected() error" ) );
 break;

 case PHYS_WIDTH_PRM:
 case PHYS_DIAM_IN_PRM:
 return m_radioBtnPrm1->GetValue();
 break;

 case PHYS_S_PRM:
 case PHYS_DIAM_OUT_PRM:
 return m_radioBtnPrm2->GetValue();
 break;
 }
 return false;
}