eda_reorderable_list_dialog.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2022 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 <algorithm>
#include <bitmaps.h>
#include <macros.h>
#include <dialogs/eda_reorderable_list_dialog.h>
 
 
static int DEFAULT_SINGLE_COL_WIDTH = 260;
 
 
EDA_REORDERABLE_LIST_DIALOG::EDA_REORDERABLE_LIST_DIALOG( wxWindow* aParent, const wxString& aTitle,
 const std::vector<wxString>& aAllItems,
 const std::vector<wxString>& aEnabledItems ) :
 EDA_REORDERABLE_LIST_DIALOG_BASE( aParent, wxID_ANY, aTitle ),
 m_availableItems( aAllItems ),
 m_enabledItems( aEnabledItems ),
 m_selectedAvailable( 0 ),
 m_selectedEnabled( 0 )
{
 m_btnUp->SetBitmap( KiBitmap( BITMAPS::small_up ) );
 m_btnDown->SetBitmap( KiBitmap( BITMAPS::small_down ) );
 
 // DIALOG_SHIM needs a unique hash_key because classname is not sufficient
 // because so many dialogs share this same class, with different numbers of
 // columns, different column names, and column widths.
 m_hash_key = TO_UTF8( aTitle );
 
 m_availableListBox->InsertColumn( 0, wxEmptyString, wxLIST_FORMAT_LEFT,
 DEFAULT_SINGLE_COL_WIDTH );
 m_enabledListBox->InsertColumn( 0, wxEmptyString, wxLIST_FORMAT_LEFT,
 DEFAULT_SINGLE_COL_WIDTH );
 
 updateItems();
 
 SetupStandardButtons();
 
 // this line fixes an issue on Linux Ubuntu using Unity (dialog not shown),
 // and works fine on all systems
 GetSizer()->Fit( this );
 
 Centre();
}
 
 
void EDA_REORDERABLE_LIST_DIALOG::updateItems()
{
 m_availableListBox->DeleteAllItems();
 m_enabledListBox->DeleteAllItems();
 
 std::set<wxString> enabledSet;
 
 for( size_t idx = 0; idx < m_enabledItems.size(); ++idx )
 {
 wxListItem info;
 info.m_itemId = idx;
 info.m_col = 0;
 info.m_text = m_enabledItems[idx];
 info.m_width = DEFAULT_SINGLE_COL_WIDTH;
 info.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_WIDTH;
 
 m_enabledListBox->InsertItem( info );
 
 if( m_selectedEnabled == static_cast<long>( idx ) )
 m_enabledListBox->SetItemState( idx, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED );
 
 enabledSet.insert( m_enabledItems[idx] );
 }
 
 m_availableItems.erase( std::remove_if( m_availableItems.begin(), m_availableItems.end(),
 [&]( const wxString& aItem ) -> bool
 {
 return enabledSet.count( aItem );
 } ),
 m_availableItems.end() );
 
 for( size_t idx = 0; idx < m_availableItems.size(); ++idx )
 {
 wxListItem info;
 info.m_itemId = idx;
 info.m_col = 0;
 info.m_text = m_availableItems[idx];
 info.m_width = DEFAULT_SINGLE_COL_WIDTH;
 info.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_WIDTH;
 
 m_availableListBox->InsertItem( info );
 
 if( m_selectedAvailable == static_cast<long>( idx ) )
 m_availableListBox->SetItemState( idx, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED );
 }
 
 if( !m_availableItems.empty() )
 m_availableListBox->EnsureVisible( m_selectedAvailable );
 
 if( !m_enabledItems.empty() )
 m_enabledListBox->EnsureVisible( m_selectedEnabled );
 
 m_btnAdd->Enable( !m_availableItems.empty() );
 m_btnRemove->Enable( !m_enabledItems.empty() );
}
 
 
void EDA_REORDERABLE_LIST_DIALOG::onAddItem( wxCommandEvent& aEvent )
{
 wxListItem info;
 
 if( !getSelectedItem( m_availableListBox, info ) )
 return;
 
 m_availableItems.erase( m_availableItems.begin() + info.m_itemId );
 m_availableListBox->DeleteItem( m_selectedAvailable );
 
 long pos = std::min( m_selectedEnabled + 1, static_cast<long>( m_enabledItems.size() ) );
 
 info.m_itemId = pos;
 info.m_mask = wxLIST_MASK_TEXT;
 
 m_enabledItems.insert( m_enabledItems.begin() + pos, info.m_text );
 m_enabledListBox->InsertItem( info );
 
 updateButtons();
}
 
 
void EDA_REORDERABLE_LIST_DIALOG::onRemoveItem( wxCommandEvent& aEvent )
{
 wxListItem info;
 
 if( !getSelectedItem( m_enabledListBox, info ) || info.m_itemId == 0 )
 return;
 
 m_enabledItems.erase( m_enabledItems.begin() + info.m_itemId );
 m_enabledListBox->DeleteItem( m_selectedEnabled );
 
 m_selectedEnabled = std::min( m_selectedEnabled,
 static_cast<long>( m_enabledItems.size() - 1 ) );
 
 m_enabledListBox->SetItemState( m_selectedEnabled, wxLIST_STATE_SELECTED,
 wxLIST_STATE_SELECTED );
 
 long pos = std::max( long( 0 ), m_selectedAvailable );
 info.m_itemId = pos;
 
 m_availableItems.insert( m_availableItems.begin() + pos, info.m_text );
 m_availableListBox->InsertItem( info );
 
 updateButtons();
}
 
 
void EDA_REORDERABLE_LIST_DIALOG::onMoveUp( wxCommandEvent& aEvent )
{
 wxListItem info;
 
 if( !getSelectedItem( m_enabledListBox, info ) || info.m_itemId == 0 )
 return;
 
 auto current = m_enabledItems.begin() + info.m_itemId;
 auto prev = m_enabledItems.begin() + info.m_itemId - 1;
 
 std::iter_swap( current, prev );
 
 m_selectedEnabled--;
 
 updateButtons();
 updateItems();
}
 
 
void EDA_REORDERABLE_LIST_DIALOG::onMoveDown( wxCommandEvent& aEvent )
{
 wxListItem info;
 
 if( !getSelectedItem( m_enabledListBox, info )
 || info.m_itemId == static_cast<long>( m_enabledItems.size() ) - 1 )
 {
 return;
 }
 
 auto current = m_enabledItems.begin() + info.m_itemId;
 auto prev = m_enabledItems.begin() + info.m_itemId + 1;
 
 std::iter_swap( current, prev );
 
 m_selectedEnabled++;
 
 updateButtons();
 updateItems();
}
 
 
bool EDA_REORDERABLE_LIST_DIALOG::getSelectedItem( wxListCtrl* aList, wxListItem& aInfo )
{
 long item = aList->GetNextItem( -1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED );
 
 if( item < 0 )
 return false;
 
 aInfo.m_mask = wxLIST_MASK_DATA | wxLIST_MASK_STATE | wxLIST_MASK_TEXT;
 aInfo.m_itemId = item;
 aInfo.m_col = 0;
 
 if( !aList->GetItem( aInfo ) )
 return false;
 
 return true;
}
 
 
void EDA_REORDERABLE_LIST_DIALOG::onEnabledListItemSelected( wxListEvent& event )
{
 wxListItem info;
 
 if( !getSelectedItem( m_enabledListBox, info ) )
 {
 m_selectedEnabled = -1;
 return;
 }
 
 m_selectedEnabled = info.m_itemId;
 updateButtons();
}
 
 
void EDA_REORDERABLE_LIST_DIALOG::onAvailableListItemSelected( wxListEvent& event )
{
 wxListItem info;
 
 if( !getSelectedItem( m_availableListBox, info ) )
 {
 m_selectedAvailable = -1;
 return;
 }
 
 m_selectedAvailable = info.m_itemId;
 updateButtons();
}
 
 
void EDA_REORDERABLE_LIST_DIALOG::updateButtons()
{
 m_btnUp->Enable( !m_enabledItems.empty() && m_selectedEnabled > 0 );
 m_btnDown->Enable( !m_enabledItems.empty() && m_selectedEnabled > 0 &&
 m_selectedEnabled < static_cast<int>( m_enabledItems.size() ) - 1 );
 m_btnAdd->Enable( !m_availableItems.empty() && m_selectedAvailable >= 0 );
 m_btnRemove->Enable( !m_enabledItems.empty() && m_selectedEnabled > 0 );
}