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MapToolSet.cs
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// Copyright 2006 - 2008: Rory Plaire (codekaizen@gmail.com)
//
// This file is part of SharpMap.
// SharpMap is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// SharpMap 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 Lesser General Public License for more details.
// You should have received a copy of the GNU Lesser General Public License
// along with SharpMap; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
using System;
using System.Collections.Generic;
namespace SharpMap.Tools
{
public class MapToolSet : MapTool, IMapToolSet
{
private readonly List<IMapTool> _tools = new List<IMapTool>();
public MapToolSet(String name)
: base(name) { }
public MapToolSet(String name, IEnumerable<IMapTool> tools)
: base(name)
{
foreach (IMapTool tool in tools)
{
Add(tool);
}
}
#region IMapToolSet Members
public void Remove(String name)
{
_tools.RemoveAll(delegate(IMapTool tool) { return tool.Name.Equals(name); });
}
public IMapTool this[String name]
{
get { return _tools.Find(delegate(IMapTool tool) { return tool.Name.Equals(name); }); }
}
public event EventHandler<MapToolSetChangedEventArgs> ToolAdded;
public event EventHandler<MapToolSetChangedEventArgs> ToolRemoved;
#endregion
#region IList<IMapTool> Members
public Int32 IndexOf(IMapTool item)
{
return _tools.IndexOf(item);
}
public void Insert(Int32 index, IMapTool item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
_tools.Insert(index, item);
OnToolAdded(item);
}
public void RemoveAt(Int32 index)
{
if (index < 0 || index >= _tools.Count)
{
throw new ArgumentOutOfRangeException("index",
index,
"Index must be between 0 and Count.");
}
IMapTool tool = _tools[index];
_tools.RemoveAt(index);
OnToolRemoved(tool);
}
public IMapTool this[Int32 index]
{
get
{
return _tools[index];
}
set
{
throw new NotSupportedException("Setting tools via index not supported.");
}
}
#endregion
#region ICollection<IMapTool> Members
public void Add(IMapTool item)
{
_tools.Add(item);
OnToolAdded(item);
}
public void Clear()
{
IMapTool[] tools = _tools.ToArray();
_tools.Clear();
foreach (IMapTool tool in tools)
{
OnToolRemoved(tool);
}
}
public Boolean Contains(IMapTool item)
{
return _tools.Contains(item);
}
public void CopyTo(IMapTool[] array, Int32 arrayIndex)
{
_tools.CopyTo(array, arrayIndex);
}
public Int32 Count
{
get { return _tools.Count; }
}
public Boolean IsReadOnly
{
get { return false; }
}
public Boolean Remove(IMapTool item)
{
if (_tools.Remove(item))
{
OnToolRemoved(item);
return true;
}
return false;
}
#endregion
#region IEnumerable<IMapTool> Members
public IEnumerator<IMapTool> GetEnumerator()
{
foreach (IMapTool mapTool in _tools)
{
yield return mapTool;
}
}
#endregion
#region IEnumerable Members
System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
{
return GetEnumerator();
}
#endregion
protected virtual void OnToolAdded(IMapTool tool)
{
EventHandler<MapToolSetChangedEventArgs> e = ToolAdded;
if (e != null)
{
e(this, new MapToolSetChangedEventArgs(tool, MapToolSetChange.ToolAdded));
}
}
protected virtual void OnToolRemoved(IMapTool tool)
{
EventHandler<MapToolSetChangedEventArgs> e = ToolAdded;
if (e != null)
{
e(this, new MapToolSetChangedEventArgs(tool, MapToolSetChange.ToolRemoved));
}
}
}
}