502 lines
13 KiB
C++
502 lines
13 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2017 Chris Pavlina <pavlina.chris@gmail.com>
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* Copyright (C) 2014 Henner Zeller <h.zeller@acm.org>
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* Copyright (C) 2014-2020 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <lib_tree_model_adapter.h>
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#include <eda_pattern_match.h>
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#include <wx/progdlg.h>
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#include <wx/tokenzr.h>
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#include <wx/wupdlock.h>
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static const int kDataViewIndent = 20;
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/**
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* Convert CMP_TREE_NODE -> wxDataViewItem
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*/
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wxDataViewItem LIB_TREE_MODEL_ADAPTER::ToItem( LIB_TREE_NODE const* aNode )
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{
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return wxDataViewItem( const_cast<void*>( static_cast<void const*>( aNode ) ) );
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}
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/**
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* Convert wxDataViewItem -> CMP_TREE_NODE
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*/
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LIB_TREE_NODE const* LIB_TREE_MODEL_ADAPTER::ToNode( wxDataViewItem aItem )
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{
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return static_cast<LIB_TREE_NODE const*>( aItem.GetID() );
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}
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/**
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* Convert CMP_TREE_NODE's children to wxDataViewItemArray
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*/
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unsigned int LIB_TREE_MODEL_ADAPTER::IntoArray( LIB_TREE_NODE const& aNode,
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wxDataViewItemArray& aChildren )
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{
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unsigned int n = 0;
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for( auto const& child: aNode.Children )
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{
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if( child->Score > 0 )
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{
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aChildren.Add( ToItem( &*child ) );
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++n;
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}
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}
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return n;
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}
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LIB_TREE_MODEL_ADAPTER::LIB_TREE_MODEL_ADAPTER()
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:m_filter( CMP_FILTER_NONE ),
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m_show_units( true ),
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m_preselect_unit( 0 ),
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m_freeze( 0 ),
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m_col_part( nullptr ),
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m_col_desc( nullptr ),
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m_widget( nullptr )
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{}
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LIB_TREE_MODEL_ADAPTER::~LIB_TREE_MODEL_ADAPTER()
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{}
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void LIB_TREE_MODEL_ADAPTER::SetFilter( CMP_FILTER_TYPE aFilter )
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{
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m_filter = aFilter;
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}
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void LIB_TREE_MODEL_ADAPTER::ShowUnits( bool aShow )
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{
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m_show_units = aShow;
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}
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void LIB_TREE_MODEL_ADAPTER::UpdateWidth( int aCol )
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{
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auto col = m_widget->GetColumn( aCol );
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if( col )
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{
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col->SetWidth( ColWidth( m_tree, aCol, col->GetTitle() ) );
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}
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}
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void LIB_TREE_MODEL_ADAPTER::SetPreselectNode( LIB_ID const& aLibId, int aUnit )
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{
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m_preselect_lib_id = aLibId;
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m_preselect_unit = aUnit;
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}
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void LIB_TREE_MODEL_ADAPTER::DoAddLibrary( wxString const& aNodeName, wxString const& aDesc,
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std::vector<LIB_TREE_ITEM*> const& aItemList,
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bool presorted )
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{
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auto& lib_node = m_tree.AddLib( aNodeName, aDesc );
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lib_node.VisLen = wxTheApp->GetTopWindow()->GetTextExtent( lib_node.Name ).x;
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for( auto item: aItemList )
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{
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if( item )
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{
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auto& child_node = lib_node.AddItem( item );
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child_node.VisLen = wxTheApp->GetTopWindow()->GetTextExtent( child_node.Name ).x;
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}
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}
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lib_node.AssignIntrinsicRanks( presorted );
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}
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void LIB_TREE_MODEL_ADAPTER::UpdateSearchString( wxString const& aSearch )
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{
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{
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// DO NOT REMOVE THE FREEZE/THAW. This freeze/thaw is a flag for this model adapter
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// that tells it when it shouldn't trust any of the data in the model. When set, it will
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// not return invalid data to the UI, since this invalid data can cause crashes.
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// This is different than the update locker, which locks the UI aspects only.
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wxWindowUpdateLocker updateLock( m_widget );
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// Even with the updateLock, wxWidgets sometimes ties its knickers in
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// a knot when trying to run a wxdataview_selection_changed_callback()
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// on a row that has been deleted.
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// https://bugs.launchpad.net/kicad/+bug/1756255
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m_widget->UnselectAll();
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Freeze();
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BeforeReset();
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m_tree.ResetScore();
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wxStringTokenizer tokenizer( aSearch );
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while( tokenizer.HasMoreTokens() )
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{
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const wxString term = tokenizer.GetNextToken().Lower();
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EDA_COMBINED_MATCHER matcher( term );
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m_tree.UpdateScore( matcher );
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}
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m_tree.SortNodes();
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AfterReset();
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Thaw();
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}
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LIB_TREE_NODE* bestMatch = ShowResults();
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if( !bestMatch )
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bestMatch = ShowPreselect();
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if( !bestMatch )
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bestMatch = ShowSingleLibrary();
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if( bestMatch )
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{
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auto item = wxDataViewItem( bestMatch );
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m_widget->Select( item );
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// Make sure the *parent* item is visible. The selected item is the
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// first (shown) child of the parent. So it's always right below the parent,
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// and this way the user can also see what library the selected part belongs to,
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// without having a case where the selection is off the screen (unless the
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// window is a single row high, which is unlikely)
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//
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// This also happens to circumvent https://bugs.launchpad.net/kicad/+bug/1804400
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// which appears to be a GTK+3 bug.
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{
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wxDataViewItem parent = GetParent( item );
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if( parent.IsOk() )
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item = parent;
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}
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m_widget->EnsureVisible( item );
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}
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UpdateWidth( 0 );
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}
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void LIB_TREE_MODEL_ADAPTER::AttachTo( wxDataViewCtrl* aDataViewCtrl )
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{
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m_widget = aDataViewCtrl;
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aDataViewCtrl->SetIndent( kDataViewIndent );
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aDataViewCtrl->AssociateModel( this );
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aDataViewCtrl->ClearColumns();
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wxString part_head = _( "Item" );
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wxString desc_head = _( "Description" );
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m_col_part = aDataViewCtrl->AppendTextColumn( part_head, 0, wxDATAVIEW_CELL_INERT, 360 );
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m_col_desc = aDataViewCtrl->AppendTextColumn( desc_head, 1, wxDATAVIEW_CELL_INERT, 2000 );
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}
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LIB_ID LIB_TREE_MODEL_ADAPTER::GetAliasFor( const wxDataViewItem& aSelection ) const
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{
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auto node = ToNode( aSelection );
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LIB_ID emptyId;
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if( !node )
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return emptyId;
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return node->LibId;
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}
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int LIB_TREE_MODEL_ADAPTER::GetUnitFor( const wxDataViewItem& aSelection ) const
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{
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auto node = ToNode( aSelection );
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return node ? node->Unit : 0;
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}
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LIB_TREE_NODE::TYPE LIB_TREE_MODEL_ADAPTER::GetTypeFor( const wxDataViewItem& aSelection ) const
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{
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auto node = ToNode( aSelection );
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return node ? node->Type : LIB_TREE_NODE::INVALID;
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}
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int LIB_TREE_MODEL_ADAPTER::GetItemCount() const
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{
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int n = 0;
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for( auto& lib: m_tree.Children )
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n += lib->Children.size();
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return n;
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}
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wxDataViewItem LIB_TREE_MODEL_ADAPTER::FindItem( const LIB_ID& aLibId )
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{
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for( auto& lib: m_tree.Children )
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{
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if( lib->Name != aLibId.GetLibNickname() )
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continue;
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// if part name is not specified, return the library node
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if( aLibId.GetLibItemName() == "" )
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return ToItem( lib.get() );
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for( auto& alias: lib->Children )
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{
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if( alias->Name == aLibId.GetLibItemName() )
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return ToItem( alias.get() );
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}
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break; // could not find the part in the requested library
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}
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return wxDataViewItem();
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}
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unsigned int LIB_TREE_MODEL_ADAPTER::GetChildren( wxDataViewItem const& aItem,
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wxDataViewItemArray& aChildren ) const
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{
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auto node = ( aItem.IsOk() ? ToNode( aItem ) : &m_tree );
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if( node->Type != LIB_TREE_NODE::TYPE::LIBID
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|| ( m_show_units && node->Type == LIB_TREE_NODE::TYPE::LIBID ) )
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return IntoArray( *node, aChildren );
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else
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return 0;
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}
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bool LIB_TREE_MODEL_ADAPTER::HasContainerColumns( wxDataViewItem const& aItem ) const
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{
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return IsContainer( aItem );
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}
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bool LIB_TREE_MODEL_ADAPTER::IsContainer( wxDataViewItem const& aItem ) const
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{
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auto node = ToNode( aItem );
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return node ? node->Children.size() : true;
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}
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wxDataViewItem LIB_TREE_MODEL_ADAPTER::GetParent( wxDataViewItem const& aItem ) const
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{
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if( m_freeze )
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return ToItem( nullptr );
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auto node = ToNode( aItem );
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auto parent = node ? node->Parent : nullptr;
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// wxDataViewModel has no root node, but rather top-level elements have
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// an invalid (null) parent.
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if( !node || !parent || parent->Type == LIB_TREE_NODE::TYPE::ROOT )
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return ToItem( nullptr );
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else
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return ToItem( parent );
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}
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void LIB_TREE_MODEL_ADAPTER::GetValue( wxVariant& aVariant,
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wxDataViewItem const& aItem,
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unsigned int aCol ) const
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{
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if( IsFrozen() )
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{
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aVariant = wxEmptyString;
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return;
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}
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auto node = ToNode( aItem );
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wxASSERT( node );
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switch( aCol )
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{
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default: // column == -1 is used for default Compare function
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case 0:
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aVariant = node->Name;
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break;
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case 1:
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aVariant = node->Desc;
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break;
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}
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}
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bool LIB_TREE_MODEL_ADAPTER::GetAttr( wxDataViewItem const& aItem,
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unsigned int aCol,
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wxDataViewItemAttr& aAttr ) const
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{
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if( IsFrozen() )
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return false;
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auto node = ToNode( aItem );
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wxASSERT( node );
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if( node->Type != LIB_TREE_NODE::LIBID )
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{
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// Currently only aliases are formatted at all
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return false;
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}
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if( !node->IsRoot && aCol == 0 )
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{
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// Names of non-root aliases are italicized
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aAttr.SetItalic( true );
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return true;
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}
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else
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{
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return false;
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}
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}
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int LIB_TREE_MODEL_ADAPTER::ColWidth( LIB_TREE_NODE& aTree, int aCol, wxString const& aHeading )
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{
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if( aCol == 0 )
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{
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int padding = m_widget->GetTextExtent( "M" ).x;
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int indent = m_widget->GetIndent();
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int longest = m_widget->GetTextExtent( aHeading ).x;
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for( auto& node : aTree.Children )
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{
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auto item = ToItem( &*node );
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if( !item.IsOk() )
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continue;
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if( node->Score > 0 )
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{
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// Ensure the text size is up to date:
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if( node->VisLen == 0 )
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node->VisLen = m_widget->GetTextExtent( node->Name ).x;
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longest = std::max( longest, node->VisLen + padding + indent );
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}
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if( !m_widget->IsExpanded( item ) )
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continue;
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for( auto& childNode : node->Children )
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{
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if( childNode->Score > 0 )
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{
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if( childNode->VisLen == 0 )
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childNode->VisLen = m_widget->GetTextExtent( childNode->Name ).x;
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longest = std::max( longest, childNode->VisLen + padding + 2 * indent );
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}
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}
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}
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return longest;
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}
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else
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return 2000;
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}
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void LIB_TREE_MODEL_ADAPTER::FindAndExpand( LIB_TREE_NODE& aNode,
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std::function<bool( LIB_TREE_NODE const* )> aFunc,
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LIB_TREE_NODE** aHighScore )
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{
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for( auto& node: aNode.Children )
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{
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if( aFunc( &*node ) )
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{
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auto item = wxDataViewItem( &*node );
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m_widget->ExpandAncestors( item );
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if( !(*aHighScore) || node->Score > (*aHighScore)->Score )
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(*aHighScore) = &*node;
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}
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FindAndExpand( *node, aFunc, aHighScore );
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}
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}
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LIB_TREE_NODE* LIB_TREE_MODEL_ADAPTER::ShowResults()
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{
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LIB_TREE_NODE* highScore = nullptr;
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FindAndExpand( m_tree,
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[]( LIB_TREE_NODE const* n )
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{
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// return leaf nodes with some level of matching
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return n->Type == LIB_TREE_NODE::TYPE::LIBID && n->Score > 1;
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},
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&highScore );
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return highScore;
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}
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LIB_TREE_NODE* LIB_TREE_MODEL_ADAPTER::ShowPreselect()
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{
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LIB_TREE_NODE* highScore = nullptr;
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if( !m_preselect_lib_id.IsValid() )
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return highScore;
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FindAndExpand( m_tree,
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[&]( LIB_TREE_NODE const* n )
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{
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if( n->Type == LIB_TREE_NODE::LIBID && ( n->Children.empty() || !m_preselect_unit ) )
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return m_preselect_lib_id == n->LibId;
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else if( n->Type == LIB_TREE_NODE::UNIT && m_preselect_unit )
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return m_preselect_lib_id == n->Parent->LibId && m_preselect_unit == n->Unit;
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else
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return false;
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},
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&highScore );
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return highScore;
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}
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LIB_TREE_NODE* LIB_TREE_MODEL_ADAPTER::ShowSingleLibrary()
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{
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LIB_TREE_NODE* highScore = nullptr;
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FindAndExpand( m_tree,
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[]( LIB_TREE_NODE const* n )
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{
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return n->Type == LIB_TREE_NODE::TYPE::LIBID &&
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n->Parent->Parent->Children.size() == 1;
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},
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&highScore );
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return highScore;
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}
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