lib_tree_model.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *lib_tree_model
 * Copyright (C) 2017 Chris Pavlina <[email protected]>
 * Copyright (C) 2014 Henner Zeller <[email protected]>
 * Copyright (C) 2014-2023 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 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 <lib_tree_model.h>
 
#include <algorithm>
#include <eda_pattern_match.h>
#include <lib_tree_item.h>
#include <pgm_base.h>
#include <string_utils.h>
 
// Each node gets this lowest score initially, without any matches applied. Matches will then
// increase this score. This way, an empty search string will result in all components being
// displayed as they have the minimum score. However, in that case, we avoid expanding all the
// nodes asd the result is very unspecific.
static const unsigned kLowestDefaultScore = 1;
 
 
void LIB_TREE_NODE::ResetScore()
{
 for( std::unique_ptr<LIB_TREE_NODE>& child: m_Children )
 child->ResetScore();
 
 m_Score = kLowestDefaultScore;
}
 
 
void LIB_TREE_NODE::AssignIntrinsicRanks( bool presorted )
{
 std::vector<LIB_TREE_NODE*> sort_buf;
 
 if( presorted )
 {
 int max = m_Children.size() - 1;
 
 for( int i = 0; i <= max; ++i )
 m_Children[i]->m_IntrinsicRank = max - i;
 }
 else
 {
 for( std::unique_ptr<LIB_TREE_NODE>& child: m_Children )
 sort_buf.push_back( child.get() );
 
 std::sort( sort_buf.begin(), sort_buf.end(),
 []( LIB_TREE_NODE* a, LIB_TREE_NODE* b ) -> bool
 {
 return StrNumCmp( a->m_Name, b->m_Name, true ) > 0;
 } );
 
 for( int i = 0; i < (int) sort_buf.size(); ++i )
 sort_buf[i]->m_IntrinsicRank = i;
 }
}
 
 
void LIB_TREE_NODE::SortNodes( bool aUseScores )
{
 std::sort( m_Children.begin(), m_Children.end(),
 [&]( std::unique_ptr<LIB_TREE_NODE>& a, std::unique_ptr<LIB_TREE_NODE>& b )
 {
 return Compare( *a, *b, aUseScores );
 } );
 
 for( std::unique_ptr<LIB_TREE_NODE>& node: m_Children )
 node->SortNodes( aUseScores );
}
 
 
bool LIB_TREE_NODE::Compare( LIB_TREE_NODE const& aNode1, LIB_TREE_NODE const& aNode2,
 bool aUseScores )
{
 if( aNode1.m_Type != aNode2.m_Type )
 return aNode1.m_Type < aNode2.m_Type;
 
 // Recently used sorts at top
 if( aNode1.m_Name.StartsWith( wxT( "-- " ) ) )
 {
 if( aNode2.m_Name.StartsWith( wxT( "-- " ) ) )
 {
 return aNode1.m_IntrinsicRank > aNode2.m_IntrinsicRank;
 }
 else
 {
 return true;
 }
 }
 else if( aNode2.m_Name.StartsWith( wxT( "-- " ) ) )
 {
 return false;
  }
 
 // Pinned nodes go next
 if( aNode1.m_Pinned && !aNode2.m_Pinned )
 return true;
 else if( aNode2.m_Pinned && !aNode1.m_Pinned )
 return false;
 
 if( aUseScores && aNode1.m_Score != aNode2.m_Score )
 return aNode1.m_Score > aNode2.m_Score;
 
 if( aNode1.m_IntrinsicRank != aNode2.m_IntrinsicRank )
 return aNode1.m_IntrinsicRank > aNode2.m_IntrinsicRank;
 
 return reinterpret_cast<const void*>( &aNode1 ) < reinterpret_cast<const void*>( &aNode2 );
}
 
 
LIB_TREE_NODE::LIB_TREE_NODE()
 : m_Parent( nullptr ),
 m_Type( INVALID ),
 m_IntrinsicRank( 0 ),
 m_Score( kLowestDefaultScore ),
 m_Pinned( false ),
 m_Unit( 0 ),
 m_IsRoot( false )
{}
 
 
LIB_TREE_NODE_UNIT::LIB_TREE_NODE_UNIT( LIB_TREE_NODE* aParent, LIB_TREE_ITEM* aItem, int aUnit )
{
 static void* locale = nullptr;
 static wxString namePrefix;
 
 // Fetching translations can take a surprising amount of time when loading libraries,
 // so only do it when necessary.
 if( Pgm().GetLocale() != locale )
 {
 namePrefix = _( "Unit" );
 locale = Pgm().GetLocale();
 }
 
 m_Parent = aParent;
 m_Type = UNIT;
 
 m_Unit = aUnit;
 m_LibId = aParent->m_LibId;
 
 m_Name = namePrefix + " " + aItem->GetUnitReference( aUnit );
 
 if( aItem->HasUnitDisplayName( aUnit ) )
 m_Desc = aItem->GetUnitDisplayName( aUnit );
 else
 m_Desc = wxEmptyString;
 
 m_IntrinsicRank = -aUnit;
}
 
 
LIB_TREE_NODE_LIB_ID::LIB_TREE_NODE_LIB_ID( LIB_TREE_NODE* aParent, LIB_TREE_ITEM* aItem )
{
 m_Type = LIBID;
 m_Parent = aParent;
 
 m_LibId.SetLibNickname( aItem->GetLibNickname() );
 m_LibId.SetLibItemName( aItem->GetName() );
 
 m_Name = aItem->GetName();
 m_Desc = aItem->GetDescription();
 m_Footprint = aItem->GetFootprint();
 
 aItem->GetChooserFields( m_Fields );
 
 m_SearchTerms = aItem->GetSearchTerms();
 
 m_IsRoot = aItem->IsRoot();
 
 if( aItem->GetUnitCount() > 1 )
 {
 for( int u = 1; u <= aItem->GetUnitCount(); ++u )
 AddUnit( aItem, u );
 }
}
 
 
LIB_TREE_NODE_UNIT& LIB_TREE_NODE_LIB_ID::AddUnit( LIB_TREE_ITEM* aItem, int aUnit )
{
 LIB_TREE_NODE_UNIT* unit = new LIB_TREE_NODE_UNIT( this, aItem, aUnit );
 m_Children.push_back( std::unique_ptr<LIB_TREE_NODE>( unit ) );
 return *unit;
}
 
 
void LIB_TREE_NODE_LIB_ID::Update( LIB_TREE_ITEM* aItem )
{
 m_LibId.SetLibNickname( aItem->GetLibId().GetLibNickname() );
 m_LibId.SetLibItemName( aItem->GetName() );
 
 m_Name = aItem->GetName();
 m_Desc = aItem->GetDescription();
 
 aItem->GetChooserFields( m_Fields );
 
 m_SearchTerms = aItem->GetSearchTerms();
 
 m_IsRoot = aItem->IsRoot();
 m_Children.clear();
 
 for( int u = 1; u <= aItem->GetUnitCount(); ++u )
 AddUnit( aItem, u );
}
 
 
void LIB_TREE_NODE_LIB_ID::UpdateScore( EDA_COMBINED_MATCHER& aMatcher, const wxString& aLib )
{
 if( m_Score <= 0 )
 return; // Leaf nodes without scores are out of the game.
 
 if( !aLib.IsEmpty() && m_Parent->m_Name.Lower() != aLib )
 {
 m_Score = 0;
 return;
 }
 
 m_Score = aMatcher.ScoreTerms( m_SearchTerms );
}
 
 
LIB_TREE_NODE_LIB::LIB_TREE_NODE_LIB( LIB_TREE_NODE* aParent, wxString const& aName,
 wxString const& aDesc )
{
 m_Type = LIB;
 m_Name = aName;
 m_Desc = aDesc;
 m_Parent = aParent;
 m_LibId.SetLibNickname( aName );
}
 
 
LIB_TREE_NODE_LIB_ID& LIB_TREE_NODE_LIB::AddItem( LIB_TREE_ITEM* aItem )
{
 LIB_TREE_NODE_LIB_ID* item = new LIB_TREE_NODE_LIB_ID( this, aItem );
 m_Children.push_back( std::unique_ptr<LIB_TREE_NODE>( item ) );
 return *item;
}
 
 
void LIB_TREE_NODE_LIB::UpdateScore( EDA_COMBINED_MATCHER& aMatcher, const wxString& aLib )
{
 m_Score = 0;
 
 // We need to score leaf nodes, which are usually (but not always) children.
 
 if( m_Children.size() )
 {
 for( std::unique_ptr<LIB_TREE_NODE>& child: m_Children )
 {
 child->UpdateScore( aMatcher, aLib );
 m_Score = std::max( m_Score, child->m_Score );
 }
 }
 else
 {
 // No children; we are a leaf.
 
 m_Score = aMatcher.ScoreTerms( m_SearchTerms );
 }
}
 
 
LIB_TREE_NODE_ROOT::LIB_TREE_NODE_ROOT()
{
 m_Type = ROOT;
}
 
 
LIB_TREE_NODE_LIB& LIB_TREE_NODE_ROOT::AddLib( wxString const& aName, wxString const& aDesc )
{
 LIB_TREE_NODE_LIB* lib = new LIB_TREE_NODE_LIB( this, aName, aDesc );
 m_Children.push_back( std::unique_ptr<LIB_TREE_NODE>( lib ) );
 return *lib;
}
 
 
void LIB_TREE_NODE_ROOT::UpdateScore( EDA_COMBINED_MATCHER& aMatcher, const wxString& aLib )
{
 for( std::unique_ptr<LIB_TREE_NODE>& child: m_Children )
 child->UpdateScore( aMatcher, aLib );
}