120 lines
3.2 KiB
C++
120 lines
3.2 KiB
C++
/*
|
|
* This program source code file is part of KiCad, a free EDA CAD application.
|
|
*
|
|
* Copyright (C) 2017 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 <wx/dataview.h>
|
|
#include <wxdataviewctrl_helpers.h>
|
|
|
|
wxDataViewItem GetPrevItem( wxDataViewCtrl const& aView, wxDataViewItem const& aItem )
|
|
{
|
|
auto prevItem = GetPrevSibling( aView, aItem );
|
|
|
|
if( !prevItem.IsOk() )
|
|
{
|
|
prevItem = aView.GetModel()->GetParent( aItem );
|
|
}
|
|
else if( aView.IsExpanded( prevItem ) )
|
|
{
|
|
wxDataViewItemArray children;
|
|
aView.GetModel()->GetChildren( prevItem, children );
|
|
prevItem = children[children.size() - 1];
|
|
}
|
|
|
|
return prevItem;
|
|
}
|
|
|
|
|
|
wxDataViewItem GetNextItem( wxDataViewCtrl const& aView, wxDataViewItem const& aItem )
|
|
{
|
|
wxDataViewItem nextItem;
|
|
|
|
if( !aItem.IsOk() )
|
|
{
|
|
// No selection. Select the first.
|
|
wxDataViewItemArray children;
|
|
aView.GetModel()->GetChildren( aItem, children );
|
|
return children[0];
|
|
}
|
|
|
|
if( aView.IsExpanded( aItem ) )
|
|
{
|
|
wxDataViewItemArray children;
|
|
aView.GetModel()->GetChildren( aItem, children );
|
|
nextItem = children[0];
|
|
}
|
|
else
|
|
{
|
|
// Walk up levels until we find one that has a next sibling.
|
|
for( wxDataViewItem walk = aItem; walk.IsOk(); walk = aView.GetModel()->GetParent( walk ) )
|
|
{
|
|
nextItem = GetNextSibling( aView, walk );
|
|
|
|
if( nextItem.IsOk() )
|
|
break;
|
|
}
|
|
}
|
|
|
|
return nextItem;
|
|
}
|
|
|
|
|
|
wxDataViewItem GetPrevSibling( wxDataViewCtrl const& aView, wxDataViewItem const& aItem )
|
|
{
|
|
wxDataViewItemArray siblings;
|
|
wxDataViewItem invalid;
|
|
wxDataViewItem parent = aView.GetModel()->GetParent( aItem );
|
|
|
|
aView.GetModel()->GetChildren( parent, siblings );
|
|
|
|
for( size_t i = 0; i < siblings.size(); ++i )
|
|
{
|
|
if( siblings[i] == aItem )
|
|
{
|
|
if( i == 0 )
|
|
return invalid;
|
|
else
|
|
return siblings[i - 1];
|
|
}
|
|
}
|
|
|
|
return invalid;
|
|
}
|
|
|
|
|
|
wxDataViewItem GetNextSibling( wxDataViewCtrl const& aView, wxDataViewItem const& aItem )
|
|
{
|
|
wxDataViewItemArray siblings;
|
|
wxDataViewItem invalid;
|
|
wxDataViewItem parent = aView.GetModel()->GetParent( aItem );
|
|
|
|
aView.GetModel()->GetChildren( parent, siblings );
|
|
|
|
for( size_t i = 0; i < siblings.size(); ++i )
|
|
{
|
|
if( siblings[i] == aItem )
|
|
{
|
|
if( i == siblings.size() - 1 )
|
|
return invalid;
|
|
else
|
|
return siblings[i + 1];
|
|
}
|
|
}
|
|
|
|
return invalid;
|
|
}
|