sch_find_replace_tool.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019 CERN
 * Copyright (C) 1992-2023 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
 */
 
#include <sch_sheet_pin.h>
#include <schematic.h>
#include <tools/ee_actions.h>
#include <tools/sch_find_replace_tool.h>
#include <sch_sheet_path.h>
 
 
int SCH_FIND_REPLACE_TOOL::FindAndReplace( const TOOL_EVENT& aEvent )
{
 m_frame->ShowFindReplaceDialog( aEvent.IsAction( &ACTIONS::findAndReplace ) );
 return UpdateFind( aEvent );
}
 
 
int SCH_FIND_REPLACE_TOOL::UpdateFind( const TOOL_EVENT& aEvent )
{
 EDA_SEARCH_DATA& data = m_frame->GetFindReplaceData();
 SCH_SEARCH_DATA* schSearchData = dynamic_cast<SCH_SEARCH_DATA*>( &data );
 bool selectedOnly = schSearchData ? schSearchData->searchSelectedOnly : false;
 
 auto visit =
 [&]( EDA_ITEM* aItem, SCH_SHEET_PATH* aSheet )
 {
 // We may get triggered when the dialog is not opened due to binding
 // SelectedItemsModified we also get triggered when the find dialog is
 // closed....so we need to double check the dialog is open.
 if( m_frame->m_findReplaceDialog != nullptr
 && !data.findString.IsEmpty()
 && aItem->Matches( data, aSheet )
 && ( !selectedOnly || aItem->IsSelected() ) )
 {
 aItem->SetForceVisible( true );
 m_selectionTool->BrightenItem( aItem );
 m_foundItemHighlighted = true;
 }
 else if( aItem->IsBrightened() )
 {
 aItem->SetForceVisible( false );
 m_selectionTool->UnbrightenItem( aItem );
 }
 };
 
 auto visitAll =
 [&]()
 {
 for( SCH_ITEM* item : m_frame->GetScreen()->Items() )
 {
 visit( item, &m_frame->GetCurrentSheet() );
 
 item->RunOnChildren(
 [&]( SCH_ITEM* aChild )
 {
 visit( aChild, &m_frame->GetCurrentSheet() );
 } );
 }
 };
 
 if( aEvent.IsAction( &ACTIONS::find ) || aEvent.IsAction( &ACTIONS::findAndReplace )
 || aEvent.IsAction( &ACTIONS::updateFind ) )
 {
 m_foundItemHighlighted = false;
 visitAll();
 }
 else if( aEvent.Matches( EVENTS::SelectedItemsModified ) )
 {
 for( EDA_ITEM* item : m_selectionTool->GetSelection() )
 visit( item, &m_frame->GetCurrentSheet() );
 }
 else if( aEvent.Matches( EVENTS::PointSelectedEvent )
 || aEvent.Matches( EVENTS::SelectedEvent )
 || aEvent.Matches( EVENTS::UnselectedEvent )
 || aEvent.Matches( EVENTS::ClearedEvent ) )
 {
 // Normal find modifies the selection, but selection-based find does
 // not so we want to start over in the items we are searching through when
 // the selection changes
 if( selectedOnly )
 {
 m_afterItem = nullptr;
 visitAll();
 }
 }
 else if( m_foundItemHighlighted )
 {
 m_foundItemHighlighted = false;
 visitAll();
 }
 
 getView()->UpdateItems();
 m_frame->GetCanvas()->Refresh();
 m_frame->updateTitle();
 
 return 0;
}
 
 
SCH_ITEM* SCH_FIND_REPLACE_TOOL::nextMatch( SCH_SCREEN* aScreen, SCH_SHEET_PATH* aSheet,
 SCH_ITEM* aAfter, EDA_SEARCH_DATA& aData,
 bool reversed )
{
 SCH_SEARCH_DATA* schSearchData = dynamic_cast<SCH_SEARCH_DATA*>( &aData );
 bool selectedOnly = schSearchData ? schSearchData->searchSelectedOnly : false;
 bool past_item = !aAfter;
 std::vector<SCH_ITEM*> sorted_items;
 
 auto addItem =
 [&](SCH_ITEM* item)
 {
 sorted_items.push_back( item );
 
 if( item->Type() == SCH_SYMBOL_T )
 {
 SCH_SYMBOL* cmp = static_cast<SCH_SYMBOL*>( item );
 
 for( SCH_FIELD& field : cmp->GetFields() )
 sorted_items.push_back( &field );
 
 for( SCH_PIN* pin : cmp->GetPins() )
 sorted_items.push_back( pin );
 }
 
 if( item->Type() == SCH_SHEET_T )
 {
 SCH_SHEET* sheet = static_cast<SCH_SHEET*>( item );
 
 for( SCH_FIELD& field : sheet->GetFields() )
 sorted_items.push_back( &field );
 
 for( SCH_SHEET_PIN* pin : sheet->GetPins() )
 sorted_items.push_back( pin );
 }
 };
 
 if( selectedOnly )
 for( EDA_ITEM* item : m_selectionTool->GetSelection() )
 addItem( static_cast<SCH_ITEM*>( item ) );
 else
 for( SCH_ITEM* item : aScreen->Items() )
 addItem( item );
 
 std::sort( sorted_items.begin(), sorted_items.end(),
 [&]( SCH_ITEM* a, SCH_ITEM* b )
 {
 if( a->GetPosition().x == b->GetPosition().x )
 {
 // Ensure deterministic sort
 if( a->GetPosition().y == b->GetPosition().y )
 return a->m_Uuid < b->m_Uuid;
 
 return a->GetPosition().y < b->GetPosition().y;
 }
 else
 return a->GetPosition().x < b->GetPosition().x;
 } );
 
 if( reversed )
 std::reverse( sorted_items.begin(), sorted_items.end() );
 
 for( SCH_ITEM* item : sorted_items )
 {
 if( item == aAfter )
 {
 past_item = true;
 }
 else if( past_item )
 {
 if( aData.markersOnly && item->Type() == SCH_MARKER_T )
 return item;
 
 if( item->Matches( aData, aSheet ) )
 return item;
 }
 }
 
 return nullptr;
}
 
 
int SCH_FIND_REPLACE_TOOL::FindNext( const TOOL_EVENT& aEvent )
{
 EDA_SEARCH_DATA& data = m_frame->GetFindReplaceData();
 bool searchAllSheets = false;
 bool selectedOnly = false;
  bool isReversed = aEvent.IsAction( &ACTIONS::findPrevious );
 SCH_ITEM* item = nullptr;
 SCH_SHEET_PATH* afterSheet = &m_frame->GetCurrentSheet();
 
 try
 {
 const SCH_SEARCH_DATA& schSearchData = dynamic_cast<const SCH_SEARCH_DATA&>( data );
 searchAllSheets = !( schSearchData.searchCurrentSheetOnly );
 selectedOnly = schSearchData.searchSelectedOnly;
 }
 catch( const std::bad_cast& )
 {
 }
 
 if( aEvent.IsAction( &ACTIONS::findNextMarker ) )
 data.markersOnly = true;
 else if( data.findString.IsEmpty() )
 return FindAndReplace( ACTIONS::find.MakeEvent() );
 
 if( m_wrapAroundTimer.IsRunning() )
 {
 afterSheet = nullptr;
 m_afterItem = nullptr;
 m_wrapAroundTimer.Stop();
 m_frame->ClearFindReplaceStatus();
 }
 
 if( afterSheet || !searchAllSheets )
 item = nextMatch( m_frame->GetScreen(), &m_frame->GetCurrentSheet(), m_afterItem, data,
 isReversed );
 
 if( !item && searchAllSheets )
 {
 SCH_SCREENS screens( m_frame->Schematic().Root() );
 std::vector<SCH_SHEET_PATH*> paths;
 
 screens.BuildClientSheetPathList();
 
 for( SCH_SCREEN* screen = screens.GetFirst(); screen; screen = screens.GetNext() )
 {
 for( SCH_SHEET_PATH& sheet : screen->GetClientSheetPaths() )
 paths.push_back( &sheet );
 }
 
 std::sort( paths.begin(), paths.end(), [] ( const SCH_SHEET_PATH* lhs,
 const SCH_SHEET_PATH* rhs ) -> bool
 {
 int retval = lhs->ComparePageNum( *rhs );
 
 if( retval < 0 )
 return true;
 else if( retval > 0 )
 return false;
 else 
 return lhs->GetCurrentHash() < rhs->GetCurrentHash();
 } );
 
 if( isReversed )
 std::reverse( paths.begin(), paths.end() );
 
 for( SCH_SHEET_PATH* sheet : paths )
 {
 if( afterSheet )
 {
 if( afterSheet->GetCurrentHash() == sheet->GetCurrentHash() )
 afterSheet = nullptr;
 
 continue;
 }
 
 item = nextMatch( sheet->LastScreen(), sheet, nullptr, data, isReversed );
 
 if( item )
 {
 m_frame->Schematic().SetCurrentSheet( *sheet );
 m_frame->DisplayCurrentSheet();
 
 break;
 }
 }
 }
 
 if( item )
 {
 m_afterItem = item;
 
 if( !item->IsBrightened() )
 {
 // Clear any previous brightening
 UpdateFind( aEvent );
 
 // Brighten (and show) found object
 item->SetForceVisible( true );
 m_selectionTool->BrightenItem( item );
 m_foundItemHighlighted = true;
 }
 
 if( !selectedOnly )
 {
 m_selectionTool->ClearSelection();
 m_selectionTool->AddItemToSel( item );
 }
 
 m_frame->FocusOnLocation( item->GetBoundingBox().GetCenter() );
 m_frame->GetCanvas()->Refresh();
 }
 else
 {
 wxString msg = searchAllSheets ? _( "Reached end of schematic." )
 : _( "Reached end of sheet." );
 
 // Show the popup during the time period the user can wrap the search
 m_frame->ShowFindReplaceStatus( msg + wxS( " " ) +
 _( "Find again to wrap around to the start." ), 4000 );
 m_wrapAroundTimer.StartOnce( 4000 );
 }
 
 return 0;
}
 
EDA_ITEM* SCH_FIND_REPLACE_TOOL::getCurrentMatch()
{
 EDA_SEARCH_DATA& data = m_frame->GetFindReplaceData();
 SCH_SEARCH_DATA* schSearchData = dynamic_cast<SCH_SEARCH_DATA*>( &data );
 bool selectedOnly = schSearchData ? schSearchData->searchSelectedOnly : false;
 
 return selectedOnly ? m_afterItem : m_selectionTool->GetSelection().Front();
}
 
bool SCH_FIND_REPLACE_TOOL::HasMatch()
{
 EDA_SEARCH_DATA& data = m_frame->GetFindReplaceData();
 EDA_ITEM* match = getCurrentMatch();
 
 return match && match->Matches( data, &m_frame->GetCurrentSheet() );
}
 
 
int SCH_FIND_REPLACE_TOOL::ReplaceAndFindNext( const TOOL_EVENT& aEvent )
{
 EDA_SEARCH_DATA& data = m_frame->GetFindReplaceData();
 EDA_ITEM* item = getCurrentMatch();
 SCH_SHEET_PATH* sheet = &m_frame->GetCurrentSheet();
 
 if( data.findString.IsEmpty() )
 return FindAndReplace( ACTIONS::find.MakeEvent() );
 
 if( item && HasMatch() )
 {
 SCH_ITEM* sch_item = static_cast<SCH_ITEM*>( item );
 
 m_frame->SaveCopyInUndoList( sheet->LastScreen(), sch_item, UNDO_REDO::CHANGED, false );
 
 if( item->Replace( data, sheet ) )
 {
 m_frame->UpdateItem( item, false, true );
 m_frame->GetCurrentSheet().UpdateAllScreenReferences();
 m_frame->OnModify();
 }
 
 FindNext( ACTIONS::findNext.MakeEvent() );
 }
 
 return 0;
}
 
 
int SCH_FIND_REPLACE_TOOL::ReplaceAll( const TOOL_EVENT& aEvent )
{
 EDA_SEARCH_DATA& data = m_frame->GetFindReplaceData();
 bool currentSheetOnly = false;
 bool selectedOnly = false;
 
 try
 {
 const SCH_SEARCH_DATA& schSearchData = dynamic_cast<const SCH_SEARCH_DATA&>( data );
 currentSheetOnly = schSearchData.searchCurrentSheetOnly;
 selectedOnly = schSearchData.searchSelectedOnly;
 }
 catch( const std::bad_cast& )
 {
 }
 
 bool modified = false;
 
 if( data.findString.IsEmpty() )
 return FindAndReplace( ACTIONS::find.MakeEvent() );
 
 auto doReplace =
 [&]( SCH_ITEM* aItem, SCH_SHEET_PATH* aSheet, EDA_SEARCH_DATA& aData )
 {
 m_frame->SaveCopyInUndoList( aSheet->LastScreen(), aItem, UNDO_REDO::CHANGED,
 modified );
 
 if( aItem->Replace( aData, aSheet ) )
 {
 m_frame->UpdateItem( aItem, false, true );
 modified = true;
 }
 };
 
 if( currentSheetOnly || selectedOnly )
 {
 SCH_SHEET_PATH* currentSheet = &m_frame->GetCurrentSheet();
 
 SCH_ITEM* item = nextMatch( m_frame->GetScreen(), currentSheet, nullptr, data, false );
 
 while( item )
 {
 if( !selectedOnly || item->IsSelected() )
 doReplace( item, currentSheet, data );
 
 item = nextMatch( m_frame->GetScreen(), currentSheet, item, data, false );
 }
 }
 else
 {
 SCH_SHEET_LIST allSheets = m_frame->Schematic().GetSheets();
 SCH_SCREENS screens( m_frame->Schematic().Root() );
 
 for( SCH_SCREEN* screen = screens.GetFirst(); screen; screen = screens.GetNext() )
 {
 SCH_SHEET_LIST sheets = allSheets.FindAllSheetsForScreen( screen );
 
 for( unsigned ii = 0; ii < sheets.size(); ++ii )
 {
 SCH_ITEM* item = nextMatch( screen, &sheets[ii], nullptr, data, false );
 
 while( item )
 {
 if( ii == 0 )
 {
 doReplace( item, &sheets[0], data );
 }
 else if( item->Type() == SCH_FIELD_T )
 {
 SCH_FIELD* field = static_cast<SCH_FIELD*>( item );
 
 if( field->GetParent() && field->GetParent()->Type() == SCH_SYMBOL_T )
 {
 switch( field->GetId() )
 {
 case REFERENCE_FIELD:
 case VALUE_FIELD:
 case FOOTPRINT_FIELD:
 // must be handled for each distinct sheet
 doReplace( field, &sheets[ii], data );
 break;
 
 default:
 // handled in first iteration
 break;
 }
 }
 }
 
 item = nextMatch( screen, &sheets[ii], item, data, false );
 }
 }
 }
 }
 
 if( modified )
 {
 m_frame->GetCurrentSheet().UpdateAllScreenReferences();
 m_frame->OnModify();
 }
 
 return 0;
}
 
 
void SCH_FIND_REPLACE_TOOL::setTransitions()
{
 Go( &SCH_FIND_REPLACE_TOOL::FindAndReplace, ACTIONS::find.MakeEvent() );
 Go( &SCH_FIND_REPLACE_TOOL::FindAndReplace, ACTIONS::findAndReplace.MakeEvent() );
 Go( &SCH_FIND_REPLACE_TOOL::FindNext, ACTIONS::findNext.MakeEvent() );
 Go( &SCH_FIND_REPLACE_TOOL::FindNext, ACTIONS::findPrevious.MakeEvent() );
 Go( &SCH_FIND_REPLACE_TOOL::FindNext, ACTIONS::findNextMarker.MakeEvent() );
 Go( &SCH_FIND_REPLACE_TOOL::ReplaceAndFindNext, ACTIONS::replaceAndFindNext.MakeEvent() );
 Go( &SCH_FIND_REPLACE_TOOL::ReplaceAll, ACTIONS::replaceAll.MakeEvent() );
 Go( &SCH_FIND_REPLACE_TOOL::UpdateFind, ACTIONS::updateFind.MakeEvent() );
 Go( &SCH_FIND_REPLACE_TOOL::UpdateFind, EVENTS::SelectedItemsModified );
 Go( &SCH_FIND_REPLACE_TOOL::UpdateFind, EVENTS::PointSelectedEvent );
 Go( &SCH_FIND_REPLACE_TOOL::UpdateFind, EVENTS::SelectedEvent );
 Go( &SCH_FIND_REPLACE_TOOL::UpdateFind, EVENTS::UnselectedEvent );
 Go( &SCH_FIND_REPLACE_TOOL::UpdateFind, EVENTS::ClearedEvent );
}