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//
// ProjectItemCollection.cs
//
// Author:
// Lluis Sanchez Gual <lluis@novell.com>
//
// Copyright (c) 2009 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Linq;
using System.Collections.Generic;
using System.Collections;
namespace MonoDevelop.Projects
{
public class ProjectItemCollection: ProjectItemCollection<ProjectItem>
{
public ProjectItemCollection ()
{
}
internal ProjectItemCollection (SolutionEntityItem parent): base (parent)
{
}
}
internal interface IItemListHandler
{
void InternalAdd (IEnumerable<ProjectItem> items, bool comesFromParent);
void InternalRemove (IEnumerable<ProjectItem> items, bool comesFromParent);
bool CanHandle (ProjectItem item);
}
public class ProjectItemCollection<T>: ItemCollection<T>, IItemListHandler where T: ProjectItem
{
SolutionEntityItem parent;
IItemListHandler parentCollection;
List<IItemListHandler> subCollections;
internal ProjectItemCollection (SolutionEntityItem parent)
{
this.parent = parent;
}
public ProjectItemCollection ()
{
}
protected virtual void AddItem (T item)
{
Items.Add (item);
}
public void AddRange (IEnumerable<T> items)
{
foreach (var item in items)
AddItem (item);
NotifyAdded (items, false);
NotifyAdded (items, true);
}
protected virtual void RemoveItem (T item)
{
Items.Remove (item);
}
public void RemoveRange (IEnumerable<T> items)
{
foreach (var item in items)
RemoveItem (item);
NotifyRemoved (items, false);
NotifyRemoved (items, true);
}
public void Bind<U> (ProjectItemCollection<U> subCollection) where U:T
{
if (subCollections == null)
subCollections = new List<IItemListHandler> ();
subCollections.Add (subCollection);
subCollection.parentCollection = this;
IItemListHandler list = subCollection;
list.InternalAdd (this.Where (ob => list.CanHandle (ob)), true);
}
public void Unbind<U> (ProjectItemCollection<U> subCollection) where U:T
{
if (subCollections != null) {
subCollections.Remove (subCollection);
subCollection.parentCollection = null;
}
}
public IEnumerable<U> GetAll<U> () where U:T
{
foreach (T it in this) {
if (it is U)
yield return (U) it;
}
}
protected override void OnItemAdded (T item)
{
var items = new T [] { item };
NotifyAdded (items, true);
NotifyAdded (items, false);
}
protected override void OnItemRemoved (T item)
{
var items = new T [] { item };
NotifyRemoved (items, true);
NotifyRemoved (items, false);
}
void IItemListHandler.InternalAdd (IEnumerable<ProjectItem> items, bool comesFromParent)
{
foreach (var item in items)
AddItem ((T) item);
NotifyAdded (items, comesFromParent);
}
void IItemListHandler.InternalRemove (IEnumerable<ProjectItem> items, bool comesFromParent)
{
foreach (var item in items)
RemoveItem ((T) item);
NotifyRemoved (items, comesFromParent);
}
bool IItemListHandler.CanHandle (ProjectItem obj)
{
return obj is T;
}
void NotifyAdded (IEnumerable<ProjectItem> items, bool comesFromParent)
{
if (comesFromParent) {
if (subCollections != null) {
foreach (IItemListHandler col in subCollections)
col.InternalAdd (items.Where (i => col.CanHandle (i)), true);
}
} else {
if (parentCollection != null)
parentCollection.InternalAdd (items, false);
if (parent != null)
parent.OnItemsAdded (items);
}
}
void NotifyRemoved (IEnumerable<ProjectItem> items, bool comesFromParent)
{
if (comesFromParent) {
if (subCollections != null) {
foreach (IItemListHandler col in subCollections)
col.InternalRemove (items.Where (i => col.CanHandle (i)), true);
}
} else {
if (parentCollection != null)
parentCollection.InternalRemove (items, false);
if (parent != null)
parent.OnItemsRemoved (items);
}
}
}
}
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