101 lines
3.0 KiB
C#
101 lines
3.0 KiB
C#
/// Copyright 2016 Kopano b.v.
|
|
///
|
|
/// This program is free software: you can redistribute it and/or modify
|
|
/// it under the terms of the GNU Affero General Public License, version 3,
|
|
/// as published by the Free Software Foundation.
|
|
///
|
|
/// 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 Affero General Public License for more details.
|
|
///
|
|
/// You should have received a copy of the GNU Affero General Public License
|
|
/// along with this program.If not, see<http://www.gnu.org/licenses/>.
|
|
///
|
|
/// Consult LICENSE file for details
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
|
|
namespace Acacia.Controls
|
|
{
|
|
abstract public class KSelectionManager
|
|
{
|
|
abstract public IReadOnlyCollection<KTreeNode> CurrentSelection { get; }
|
|
|
|
abstract public void Clear();
|
|
abstract public void Add(KTreeNode node);
|
|
abstract public void Toggle(KTreeNode node);
|
|
|
|
public class Single : KSelectionManager
|
|
{
|
|
private KTreeNode _selectedNode;
|
|
|
|
public override IReadOnlyCollection<KTreeNode> CurrentSelection
|
|
{
|
|
get
|
|
{
|
|
List<KTreeNode> sel = new List<KTreeNode>();
|
|
if (_selectedNode != null)
|
|
sel.Add(_selectedNode);
|
|
return sel;
|
|
}
|
|
}
|
|
|
|
public override void Clear()
|
|
{
|
|
_selectedNode = null;
|
|
}
|
|
|
|
public override void Add(KTreeNode node)
|
|
{
|
|
_selectedNode = node;
|
|
}
|
|
|
|
public override void Toggle(KTreeNode node)
|
|
{
|
|
if (node == _selectedNode)
|
|
_selectedNode = null;
|
|
else
|
|
_selectedNode = node;
|
|
}
|
|
}
|
|
|
|
public class Multiple : KSelectionManager
|
|
{
|
|
// TODO: use some sort of ordered set?
|
|
private readonly List<KTreeNode> _selection = new List<KTreeNode>();
|
|
|
|
public override IReadOnlyCollection<KTreeNode> CurrentSelection
|
|
{
|
|
get
|
|
{
|
|
return _selection;
|
|
}
|
|
}
|
|
|
|
public override void Clear()
|
|
{
|
|
_selection.Clear();
|
|
}
|
|
|
|
public override void Add(KTreeNode node)
|
|
{
|
|
if (!_selection.Contains(node))
|
|
_selection.Add(node);
|
|
}
|
|
|
|
public override void Toggle(KTreeNode node)
|
|
{
|
|
if (!_selection.Contains(node))
|
|
_selection.Add(node);
|
|
else
|
|
_selection.Remove(node);
|
|
}
|
|
}
|
|
}
|
|
}
|