kicad/eeschema/lib_field.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 2004-2011 KiCad Developers, see change_log.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 2
* 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file lib_field.h
*/
#ifndef CLASS_LIBENTRY_FIELDS_H
#define CLASS_LIBENTRY_FIELDS_H
#include <eda_text.h>
#include <lib_draw_item.h>
class SCH_LEGACY_PLUGIN_CACHE;
/**
* Class LIB_FIELD
* is used in symbol libraries. At least MANDATORY_FIELDS are always present
* in a ram resident library symbol. All constructors must ensure this because
* the component property editor assumes it.
* <p>
* A field is a string linked to a component. Unlike purely graphical text, fields can
* be used in netlist generation and other tools (BOM).
*
* The first 4 fields have a special meaning:
*
* 0 = REFERENCE
* 1 = VALUE
* 2 = FOOTPRINT (default Footprint)
* 3 = DATASHEET (user doc link)
*
* others = free fields
* </p>
*
* @see enum NumFieldType
*/
class LIB_FIELD : public LIB_ITEM, public EDA_TEXT
{
int m_id; ///< @see enum NumFieldType
wxString m_name; ///< Name (not the field text value itself, that is .m_Text)
wxString m_savedText; ///< Temporary storage for the string when edition.
bool m_rotate; ///< Flag to indicate a rotation occurred while editing.
bool m_updateText; ///< Flag to indicate text change occurred while editing.
/**
* Draw the field.
* <p>
* If \a aData not NULL, \a aData must point a wxString which is used instead of
* the m_Text
* </p>
*/
void drawGraphic( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset,
EDA_COLOR_T aColor, GR_DRAWMODE aDrawMode, void* aData,
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const TRANSFORM& aTransform ) override;
/**
* Calculate the new circle at \a aPosition when editing.
*
* @param aPosition - The position to edit the circle in drawing coordinates.
*/
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void calcEdit( const wxPoint& aPosition ) override;
friend class SCH_LEGACY_PLUGIN_CACHE; // Required to access m_name.
public:
LIB_FIELD( int idfield = 2 );
LIB_FIELD( LIB_PART * aParent, int idfield = 2 );
// Do not create a copy constructor. The one generated by the compiler is adequate.
~LIB_FIELD();
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wxString GetClass() const override
{
return wxT( "LIB_FIELD" );
}
/**
* Object constructor initialization helper.
*/
void Init( int idfield );
/**
* Returns the field name.
*
* The first four field IDs are reserved and therefore always return their respective
* names. The user definable fields will return FieldN where N is the ID of the field
* when the m_name member is empty.
*
* @param aTranslate True to return translated field name (default). False to return
* the english name (useful when the name is used as keyword in
* netlists ...)
* @return Name of the field.
*/
wxString GetName( bool aTranslate = true ) const;
/**
* Function SetName
*
* Sets a user definable field name to \a aName.
*
* Reserved fields such as value and reference are not renamed. If the field name is
* changed, the field modified flag is set. If the field is the child of a component,
* the parent component's modified flag is also set.
*
* @param aName - User defined field name.
*/
void SetName( const wxString& aName );
int GetId() const { return m_id; }
void SetId( int aId ) { m_id = aId; }
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int GetPenSize( ) const override;
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bool Save( OUTPUTFORMATTER& aFormatter ) override;
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bool Load( LINE_READER& aLineReader, wxString& errorMsg ) override;
/**
* Copy parameters of this field to another field. Pointers are not copied.
*
* @param aTarget Target field to copy values to.
*/
void Copy( LIB_FIELD* aTarget ) const;
void SetFields( const std::vector <LIB_FIELD> aFields );
/**
* Function IsVoid
* @return true if the field value is void (no text in this field)
*/
bool IsVoid() const
{
return m_Text.IsEmpty();
}
/**
* Function IsVisible
* @return true is this field is visible, false if flagged invisible
*/
bool IsVisible() const { return EDA_TEXT::IsVisible(); } // why needed?
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const EDA_RECT GetBoundingBox() const override;
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void GetMsgPanelInfo( std::vector< MSG_PANEL_ITEM >& aList ) override;
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bool HitTest( const wxPoint& aPosition ) const override;
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bool HitTest( const wxPoint &aPosition, int aThreshold, const TRANSFORM& aTransform ) const override;
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void operator=( const LIB_FIELD& field );
/**
* Return the text of a field.
*
* If the field is the reference field, the unit number is used to
* create a pseudo reference text. If the base reference field is U,
* the string U?A will be returned for unit = 1.
*
* @todo This should be handled by the field object.
*
* @param unit - The package unit number. Only effects reference field.
* @return Field text.
*/
wxString GetFullText( int unit = 1 );
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EDA_COLOR_T GetDefaultColor() override;
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void BeginEdit( STATUS_FLAGS aEditMode, const wxPoint aStartPoint = wxPoint( 0, 0 ) ) override;
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bool ContinueEdit( const wxPoint aNextPoint ) override;
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void EndEdit( const wxPoint& aPosition, bool aAbort = false ) override;
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void Rotate() override;
/**
* Sets the field text to \a aText.
*
* This method does more than just set the set the field text. There are special
* cases when changing the text string alone is not enough. If the field is the
* value field, the parent component's name is changed as well. If the field is
* being moved, the name change must be delayed until the next redraw to prevent
* drawing artifacts.
*
* @param aText - New text value.
*/
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void SetText( const wxString& aText ) override;
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void SetOffset( const wxPoint& aOffset ) override;
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bool Inside( EDA_RECT& aRect ) const override;
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void Move( const wxPoint& aPosition ) override;
wxPoint GetPosition() const override { return EDA_TEXT::GetTextPos(); }
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void MirrorHorizontal( const wxPoint& aCenter ) override;
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void MirrorVertical( const wxPoint& aCenter ) override;
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void Rotate( const wxPoint& aCenter, bool aRotateCCW = true ) override;
void Plot( PLOTTER* aPlotter, const wxPoint& aOffset, bool aFill,
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const TRANSFORM& aTransform ) override;
int GetWidth() const override { return GetThickness(); }
void SetWidth( int aWidth ) override { SetThickness( aWidth ); }
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wxString GetSelectMenuText() const override;
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BITMAP_DEF GetMenuImage() const override { return move_field_xpm; }
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EDA_ITEM* Clone() const override;
private:
/**
* @copydoc LIB_ITEM::compare()
*
* The field specific sort order is as follows:
*
* - Field ID, REFERENCE, VALUE, etc.
* - Field string, case insensitive compare.
* - Field horizontal (X) position.
* - Field vertical (Y) position.
* - Field width.
* - Field height.
*/
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int compare( const LIB_ITEM& aOther ) const override;
};
typedef std::vector< LIB_FIELD > LIB_FIELDS;
#endif // CLASS_LIBENTRY_FIELDS_H