kicad/eeschema/ee_collectors.h

347 lines
11 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2011 Wayne Stambaugh <stambaughw@verizon.net>
* Copyright (C) 2011-2019 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 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
*/
#ifndef EE_COLLECTORS_H
#define EE_COLLECTORS_H
#include <collector.h>
#include <sch_item.h>
#include <sch_sheet_path.h>
#include <dialogs/dialog_schematic_find.h>
/**
* Class EE_COLLECTOR
*/
class EE_COLLECTOR : public COLLECTOR
{
public:
static const KICAD_T AllItems[];
static const KICAD_T EditableItems[];
static const KICAD_T RotatableItems[];
static const KICAD_T ComponentsOnly[];
static const KICAD_T SheetsOnly[];
static const KICAD_T SheetsAndSheetLabels[];
EE_COLLECTOR( const KICAD_T* aScanTypes = EE_COLLECTOR::AllItems ) :
m_Threshold( 0 ),
m_MenuCancelled( false )
{
SetScanTypes( aScanTypes );
}
/**
* Overload COLLECTOR::operator[](int) to return a SCH_ITEM instead of an EDA_ITEM.
*
* @param aIndex The index into the list.
* @return SCH_ITEM* at \a aIndex or NULL.
*/
SCH_ITEM* operator[]( int aIndex ) const override
{
if( (unsigned)aIndex < (unsigned)GetCount() )
return (SCH_ITEM*) m_List[ aIndex ];
return NULL;
}
SEARCH_RESULT Inspect( EDA_ITEM* aItem, void* aTestData ) override;
/**
* Function Collect
* scans a EDA_ITEM using this class's Inspector method, which does the collection.
* @param aItem A EDA_ITEM to scan.
* @param aFilterList A list of #KICAD_T types with a terminating #EOT, that determines
* what is to be collected and the priority order of the resulting
* collection.
* @param aPos A wxPoint to use in hit-testing.
* @param aUnit A symbol unit filter (for symbol editor)
* @param aConvert A DeMorgan filter (for symbol editor)
*/
void Collect( EDA_ITEM* aItem, const KICAD_T aFilterList[], const wxPoint& aPos,
int aUnit = 0, int aConvert = 0 );
/**
* Function IsCorner
* tests if the collected items forms as corner of two line segments.
* @return True if the collected items form a corner of two line segments.
*/
bool IsCorner() const;
/**
* Function IsDraggableJunction
* tests to see if the collected items form a draggable junction.
* <p>
* Daggable junctions are defined as:
* <ul>
* <li> The intersection of three or more wire end points. </li>
* <li> The intersection of one or more wire end point and one wire mid point. </li>
* <li> The crossing of two or more wire mid points and a junction. </li>
* </ul>
* </p>
* @return True if the collection is a draggable junction.
*/
bool IsDraggableJunction() const;
public:
int m_Unit; // Fixed symbol unit filter (for symbol editor)
int m_Convert; // Fixed DeMorgan filter (for symbol editor)
int m_Threshold; // Hit-test threshold in internal units.
wxString m_MenuTitle; // The title of selection disambiguation menu (if needed)
bool m_MenuCancelled; // Indicates selection disambiguation menu was cancelled
};
/**
* Class SCH_FIND_COLLECTOR_DATA
* is used as a data container for the associated item found by the #SCH_FIND_COLLECTOR
* object.
*/
class SCH_FIND_COLLECTOR_DATA
{
/// The position in drawing units of the found item.
wxPoint m_position;
/// The human readable sheet path @see SCH_SHEET_PATH::PathHumanReadable() of the found item.
wxString m_sheetPath;
/// The parent object if the item found is a child object.
SCH_ITEM* m_parent;
public:
SCH_FIND_COLLECTOR_DATA( const wxPoint& aPosition = wxDefaultPosition,
const wxString& aSheetPath = wxEmptyString,
SCH_ITEM* aParent = NULL )
: m_position( aPosition )
, m_sheetPath( aSheetPath )
, m_parent( aParent )
{ }
wxPoint GetPosition() const { return m_position; }
wxString GetSheetPath() const { return m_sheetPath; }
SCH_ITEM* GetParent() const { return m_parent; }
};
/**
* Class SCH_FIND_COLLECTOR
* is used to iterate over all of the items in a schematic or sheet and collect all
* the items that match the given search criteria.
*/
class SCH_FIND_COLLECTOR : public COLLECTOR
{
/// Data associated with each found item.
std::vector< SCH_FIND_COLLECTOR_DATA > m_data;
/// The criteria used to test for matching items.
SCH_FIND_REPLACE_DATA m_findReplaceData;
/// The path of the sheet *currently* being iterated over.
SCH_SHEET_PATH* m_currentSheetPath;
/// The paths of the all the sheets in the collector.
SCH_SHEET_PATHS m_sheetPaths;
/// The current found item list index.
int m_foundIndex;
/// A flag to indicate that the schemtic has been modified and a new search must be
/// performed even if the search criteria hasn't changed.
bool m_forceSearch;
/// last known library change hash, used to detect library changes which
/// should trigger cache obsolescence.
int m_lib_hash;
/**
* Function dump
* is a helper to dump the items in the find list for debugging purposes.
*/
#if defined(DEBUG)
void dump();
#endif
public:
/**
* Constructor SCH_FIND_COLLECTOR
*/
SCH_FIND_COLLECTOR( const KICAD_T* aScanTypes = EE_COLLECTOR::AllItems )
{
SetScanTypes( aScanTypes );
m_foundIndex = 0;
SetForceSearch( false );
m_currentSheetPath = NULL;
m_lib_hash = 0;
}
void Empty()
{
m_foundIndex = 0;
COLLECTOR::Empty();
m_data.clear();
}
SCH_ITEM* GetItem( int ndx ) const;
SCH_ITEM* operator[]( int ndx ) const override;
void SetForceSearch( bool doSearch = true ) { m_forceSearch = doSearch; }
int GetLibHash() const { return m_lib_hash; }
void SetLibHash( int aHash ) { m_lib_hash = aHash; }
int GetFoundIndex() const { return m_foundIndex; }
void SetFoundIndex( int aIndex )
{
m_foundIndex = ( (unsigned) aIndex < m_data.size() ) ? aIndex : 0;
}
/**
* Function PassedEnd
* tests if #m_foundIndex is beyond the end of the list give the current
* find/replace criterial in #m_findReplaceData.
*
* @return True if #m_foundIndex has crossed the end of the found item list.
*/
bool PassedEnd() const;
/**
* Function UpdateIndex
* updates the list index according to the current find and replace criteria.
*/
void UpdateIndex();
/**
* Function GetFindData
* returns the data associated with the item found at \a aIndex.
*
* @param aIndex The list index of the data to return.
* @return The associated found item data at \a aIndex if \a aIndex is within the
* list limits. Otherwise an empty data item will be returned.
*/
SCH_FIND_COLLECTOR_DATA GetFindData( int aIndex );
/**
* Function IsSearchRequired
* checks the current collector state against \a aFindReplaceData to see if a new search
* needs to be performed to update the collector.
*
* @param aFindReplaceData A #SCH_FIND_REPLACE_DATA object containing the search criteria
* to test for changes against the current search criteria.
* @return True if \a aFindReplaceData would require a new search to be performaed or
* the force search flag is true. Otherwise, false is returned.
*/
bool IsSearchRequired( const SCH_FIND_REPLACE_DATA& aFindReplaceData )
{
return m_findReplaceData.ChangesCompare( aFindReplaceData ) || m_forceSearch ||
(m_findReplaceData.IsWrapping() != aFindReplaceData.IsWrapping());
}
/**
* Function GetText()
* @return A wxString object containing the description of the item found at the
* current index or a wxEmptyString if the list is empty or the index is
* invalid.
*/
wxString GetText( EDA_UNITS_T aUnits );
/**
* Function GetItem
* returns the item and associated data of the current index.
*
* @param aFindData A reference to a #SCH_FIND_COLLECTOR_DATA object to place the
* associated data for the current item into if the current item
* index is valid.
* @return A pointer to the current #EDA_ITEM in the list if the list index is valid
* Otherwise NULL is returned and the \a aFindData object is not updated.
*/
EDA_ITEM* GetItem( SCH_FIND_COLLECTOR_DATA& aFindData );
/**
* Function ReplaceItem
* performs a string replace of the item at the current index.
*
* @return True if the text replace occurred otherwise false.
*/
bool ReplaceItem( SCH_SHEET_PATH* aSheetPath = NULL );
SEARCH_RESULT Inspect( EDA_ITEM* aItem, void* aTestData ) override;
/**
* Update the replace string without changing anything else.
*/
void SetReplaceString( const wxString &aReplaceString );
/**
* Function Collect
* scans \a aSheetPath using this class's Inspector method for items matching
* \a aFindReplaceData.
*
* @param aFindReplaceData A #SCH_FIND_REPLACE_DATA object containing the search criteria.
* @param aSheetPath A pointer to a #SCH_SHEET_PATH object to test for matches. A NULL
* value searches the entire schematic hierarchy.
*/
void Collect( SCH_FIND_REPLACE_DATA& aFindReplaceData, SCH_SHEET_PATH* aSheetPath = NULL );
void IncrementIndex() { m_foundIndex += 1; }
};
/**
* Class EE_TYPE_COLLECTOR
* merely gathers up all SCH_ITEMs of a given set of KICAD_T type(s). It does
* no hit-testing.
*
* @see class COLLECTOR
*/
class EE_TYPE_COLLECTOR : public EE_COLLECTOR
{
public:
/**
* Function Inspect
* is the examining function within the INSPECTOR which is passed to the Iterate function.
*
* @param testItem An EDA_ITEM to examine.
* @param testData is not used in this class.
* @return SEARCH_RESULT - SEARCH_QUIT if the Iterator is to stop the scan,
* else SCAN_CONTINUE;
*/
SEARCH_RESULT Inspect( EDA_ITEM* testItem, void* testData ) override;
/**
* Function Collect
* scans a DLIST using this class's Inspector method, which does the collection.
* @param aItem The head of a DLIST to scan.
* @param aScanList The KICAD_Ts to gather up.
*/
void Collect( EDA_ITEM* aItem, const KICAD_T aScanList[] );
};
#endif // EE_COLLECTORS_H