//===================================================================================
// Microsoft patterns & practices
// Composite Application Guidance for Windows Presentation Foundation and Silverlight
//===================================================================================
// Copyright (c) Microsoft Corporation. All rights reserved.
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY
// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE.
//===================================================================================
// The example companies, organizations, products, domain names,
// e-mail addresses, logos, people, places, and events depicted
// herein are fictitious. No association with any real company,
// organization, product, domain name, email address, logo, person,
// places, or events is intended or should be inferred.
//===================================================================================
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using Microsoft.Practices.Composite.Properties;
namespace Microsoft.Practices.Composite.Modularity
{
/// <summary>
/// Represents a group of <see cref="ModuleInfo"/> instances that are usually deployed together. <see cref="ModuleInfoGroup"/>s
/// are also used by the <see cref="ModuleCatalog"/> to prevent common deployment problems such as having a module that's required
/// at startup that depends on modules that will only be downloaded on demand.
///
/// The group also forwards <see cref="Ref"/> and <see cref="InitializationMode"/> values to the <see cref="ModuleInfo"/>s that it
/// contains.
/// </summary>
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1710:IdentifiersShouldHaveCorrectSuffix")]
public class ModuleInfoGroup : IModuleCatalogItem, IList<ModuleInfo>, IList // IList must be supported in Silverlight 2 to be able to add items from XAML
{
private readonly Collection<ModuleInfo> modules = new Collection<ModuleInfo>();
/// <summary>
/// Gets or sets the <see cref="ModuleInfo.InitializationMode"/> for the whole group. Any <see cref="ModuleInfo"/> classes that are
/// added after setting this value will also get this <see cref="InitializationMode"/>.
/// </summary>
/// <seealso cref="ModuleInfo.InitializationMode"/>
/// <value>The initialization mode.</value>
public InitializationMode InitializationMode { get; set; }
/// <summary>
/// Gets or sets the <see cref="ModuleInfo.Ref"/> value for the whole group. Any <see cref="ModuleInfo"/> classes that are
/// added after setting this value will also get this <see cref="Ref"/>.
///
/// The ref value will also be used by the <see cref="IModuleManager"/> to determine which <see cref="IModuleTypeLoader"/> to use.
/// For example, if the ref property can be converted to an URL, it the XapModuleTypeLoader will be used
/// (Only available in the Silverlight version of CAL).
/// For example, using an "file://" prefix with a valid URL will cause the FileModuleTypeLoader to be used
/// (Only available in the desktop version of CAL).
/// </summary>
/// <seealso cref="ModuleInfo.Ref"/>
/// <value>The ref value that will be used.</value>
public string Ref { get; set; }
/// <summary>
/// Adds an <see cref="ModuleInfo"/> moduleInfo to the <see cref="ModuleInfoGroup"/>.
/// </summary>
/// <param name="item">The <see cref="ModuleInfo"/> to the <see cref="ModuleInfoGroup"/>.</param>
public void Add(ModuleInfo item)
{
this.ForwardValues(item);
this.modules.Add(item);
}
/// <summary>
/// Forwards <see cref="InitializationMode"/> and <see cref="Ref"/> properties from this <see cref="ModuleInfoGroup"/>
/// to <paramref name="moduleInfo"/>.
/// </summary>
/// <param name="moduleInfo">The module info to forward values to.</param>
protected void ForwardValues(ModuleInfo moduleInfo)
{
if (moduleInfo.Ref == null)
{
moduleInfo.Ref = this.Ref;
}
if (moduleInfo.InitializationMode == InitializationMode.WhenAvailable && this.InitializationMode != InitializationMode.WhenAvailable)
{
moduleInfo.InitializationMode = this.InitializationMode;
}
}
/// <summary>
/// Removes all <see cref="ModuleInfo"/>s from the <see cref="ModuleInfoGroup"/>.
/// </summary>
public void Clear()
{
this.modules.Clear();
}
/// <summary>
/// Determines whether the <see cref="ModuleInfoGroup"/> contains a specific value.
/// </summary>
/// <param name="item">The object to locate in the <see cref="ModuleInfoGroup"/>.</param>
/// <returns>
/// true if <paramref name="item"/> is found in the <see cref="ModuleInfoGroup"/>; otherwise, false.
/// </returns>
public bool Contains(ModuleInfo item)
{
return this.modules.Contains(item);
}
/// <summary>
/// Copies the elements of the <see cref="ModuleInfoGroup"/> to an <see cref="T:System.Array"/>, starting at a particular <see cref="T:System.Array"/> index.
/// </summary>
/// <param name="array">The one-dimensional <see cref="T:System.Array"/> that is the destination of the elements copied from <see cref="ModuleInfoGroup"/>. The <see cref="T:System.Array"/> must have zero-based indexing.</param>
/// <param name="arrayIndex">The zero-based index in <paramref name="array"/> at which copying begins.</param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="array"/> is null.
/// </exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="arrayIndex"/> is less than 0.
/// </exception>
/// <exception cref="T:System.ArgumentException">
/// <paramref name="array"/> is multidimensional.
/// -or-
/// <paramref name="arrayIndex"/> is equal to or greater than the length of <paramref name="array"/>.
/// -or-
/// The number of elements in the source <see cref="ModuleInfoGroup"/> is greater than the available space from <paramref name="arrayIndex"/> to the end of the destination <paramref name="array"/>.
/// </exception>
public void CopyTo(ModuleInfo[] array, int arrayIndex)
{
this.modules.CopyTo(array, arrayIndex);
}
/// <summary>
/// Gets the number of elements contained in the <see cref="ModuleInfoGroup"/>.
/// </summary>
/// <value></value>
/// <returns>
/// The number of elements contained in the <see cref="ModuleInfoGroup"/>.
/// </returns>
public int Count
{
get { return this.modules.Count; }
}
/// <summary>
/// Gets a value indicating whether the <see cref="ModuleInfoGroup"/> is read-only.
/// </summary>
/// <value></value>
/// <returns>false, because the <see cref="ModuleInfoGroup"/> is not Read-Only.
/// </returns>
public bool IsReadOnly
{
get { return false; }
}
/// <summary>
/// Removes the first occurrence of a specific object from the <see cref="ModuleInfoGroup"/>.
/// </summary>
/// <param name="item">The object to remove from the <see cref="ModuleInfoGroup"/>.</param>
/// <returns>
/// true if <paramref name="item"/> was successfully removed from the <see cref="ModuleInfoGroup"/>; otherwise, false. This method also returns false if <paramref name="item"/> is not found in the original <see cref="ModuleInfoGroup"/>.
/// </returns>
public bool Remove(ModuleInfo item)
{
return this.modules.Remove(item);
}
/// <summary>
/// Returns an enumerator that iterates through the collection.
/// </summary>
/// <returns>
/// A <see cref="T:System.Collections.Generic.IEnumerator`1"/> that can be used to iterate through the collection.
/// </returns>
public IEnumerator<ModuleInfo> GetEnumerator()
{
return this.modules.GetEnumerator();
}
/// <summary>
/// Returns an enumerator that iterates through a collection.
/// </summary>
/// <returns>
/// An <see cref="T:System.Collections.IEnumerator"/> object that can be used to iterate through the collection.
/// </returns>
IEnumerator IEnumerable.GetEnumerator()
{
return this.GetEnumerator();
}
/// <summary>
/// Adds an item to the <see cref="ModuleInfoGroup"/>.
/// </summary>
/// <param name="value">
/// The <see cref="T:System.Object"/> to add to the <see cref="ModuleInfoGroup"/>.
/// Must be of type <see cref="ModuleInfo"/>
/// </param>
/// <returns>
/// The position into which the new element was inserted.
/// </returns>
int IList.Add(object value)
{
this.Add((ModuleInfo)value);
return 1;
}
/// <summary>
/// Determines whether the <see cref="ModuleInfoGroup"/> contains a specific value.
/// </summary>
/// <param name="value">
/// The <see cref="T:System.Object"/> to locate in the <see cref="ModuleInfoGroup"/>.
/// Must be of type <see cref="ModuleInfo"/>
/// </param>
/// <returns>
/// true if the <see cref="T:System.Object"/> is found in the <see cref="ModuleInfoGroup"/>; otherwise, false.
/// </returns>
bool IList.Contains(object value)
{
if (value == null) throw new ArgumentNullException("value");
ModuleInfo moduleInfo = value as ModuleInfo;
if (moduleInfo == null)
throw new ArgumentException(Resources.ValueMustBeOfTypeModuleInfo, "value");
return this.Contains(moduleInfo);
}
/// <summary>
/// Determines the index of a specific item in the <see cref="ModuleInfoGroup"/>.
/// </summary>
/// <param name="value">
/// The <see cref="T:System.Object"/> to locate in the <see cref="ModuleInfoGroup"/>.
/// Must be of type <see cref="ModuleInfo"/>
/// </param>
/// <returns>
/// The index of <paramref name="value"/> if found in the list; otherwise, -1.
/// </returns>
public int IndexOf(object value)
{
return this.modules.IndexOf((ModuleInfo)value);
}
/// <summary>
/// Inserts an item to the <see cref="ModuleInfoGroup"/> at the specified index.
/// </summary>
/// <param name="index">The zero-based index at which <paramref name="value"/> should be inserted.</param>
/// <param name="value">
/// The <see cref="T:System.Object"/> to insert into the <see cref="ModuleInfoGroup"/>.
/// Must be of type <see cref="ModuleInfo"/>
/// </param>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="index"/> is not a valid index in the <see cref="ModuleInfoGroup"/>.
/// </exception>
/// <exception cref="ArgumentNullException">
/// If <paramref name="value"/> is null.
/// </exception>
/// <exception cref="ArgumentException">
/// If <paramref name="value"/> is not of type <see cref="ModuleInfo"/>
/// </exception>
public void Insert(int index, object value)
{
if (value == null)
throw new ArgumentNullException("value");
ModuleInfo moduleInfo = value as ModuleInfo;
if (moduleInfo == null)
throw new ArgumentException(Resources.ValueMustBeOfTypeModuleInfo, "value");
this.modules.Insert(index, moduleInfo);
}
/// <summary>
/// Gets a value indicating whether the <see cref="ModuleInfoGroup"/> has a fixed size.
/// </summary>
/// <returns>false, because the <see cref="ModuleInfoGroup"/> does not have a fixed length.
/// </returns>
public bool IsFixedSize
{
get { return false; }
}
/// <summary>
/// Removes the first occurrence of a specific object from the <see cref="ModuleInfoGroup"/>.
/// </summary>
/// <param name="value">
/// The <see cref="T:System.Object"/> to remove from the <see cref="ModuleInfoGroup"/>.
/// Must be of type <see cref="ModuleInfo"/>
/// </param>
void IList.Remove(object value)
{
this.Remove((ModuleInfo)value);
}
/// <summary>
/// Removes the <see cref="T:System.Collections.Generic.IList`1"/> item at the specified index.
/// </summary>
/// <param name="index">The zero-based index of the item to remove.</param>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="index"/> is not a valid index in the <see cref="T:System.Collections.Generic.IList`1"/>.
/// </exception>
/// <exception cref="T:System.NotSupportedException">
/// The <see cref="T:System.Collections.Generic.IList`1"/> is read-only.
/// </exception>
public void RemoveAt(int index)
{
this.modules.RemoveAt(index);
}
/// <summary>
/// Gets or sets the <see cref="System.Object"/> at the specified index.
/// </summary>
/// <value></value>
object IList.this[int index]
{
get { return this[index]; }
set { this[index] = (ModuleInfo)value; }
}
/// <summary>
/// Copies the elements of the <see cref="T:System.Collections.ICollection"/> to an <see cref="T:System.Array"/>, starting at a particular <see cref="T:System.Array"/> index.
/// </summary>
/// <param name="array">The one-dimensional <see cref="T:System.Array"/> that is the destination of the elements copied from <see cref="T:System.Collections.ICollection"/>. The <see cref="T:System.Array"/> must have zero-based indexing.</param>
/// <param name="index">The zero-based index in <paramref name="array"/> at which copying begins.</param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="array"/> is null.
/// </exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="index"/> is less than zero.
/// </exception>
/// <exception cref="T:System.ArgumentException">
/// <paramref name="array"/> is multidimensional.
/// -or-
/// <paramref name="index"/> is equal to or greater than the length of <paramref name="array"/>.
/// -or-
/// The number of elements in the source <see cref="T:System.Collections.ICollection"/> is greater than the available space from <paramref name="index"/> to the end of the destination <paramref name="array"/>.
/// </exception>
/// <exception cref="T:System.ArgumentException">
/// The type of the source <see cref="T:System.Collections.ICollection"/> cannot be cast automatically to the type of the destination <paramref name="array"/>.
/// </exception>
void ICollection.CopyTo(Array array, int index)
{
((ICollection)this.modules).CopyTo(array, index);
}
/// <summary>
/// Gets a value indicating whether access to the <see cref="T:System.Collections.ICollection"/> is synchronized (thread safe).
/// </summary>
/// <value></value>
/// <returns>true if access to the <see cref="T:System.Collections.ICollection"/> is synchronized (thread safe); otherwise, false.
/// </returns>
public bool IsSynchronized
{
get { return ((ICollection)this.modules).IsSynchronized; }
}
/// <summary>
/// Gets an object that can be used to synchronize access to the <see cref="T:System.Collections.ICollection"/>.
/// </summary>
/// <value></value>
/// <returns>
/// An object that can be used to synchronize access to the <see cref="T:System.Collections.ICollection"/>.
/// </returns>
public object SyncRoot
{
get { return ((ICollection)this.modules).SyncRoot; }
}
/// <summary>
/// Determines the index of a specific item in the <see cref="T:System.Collections.Generic.IList`1"/>.
/// </summary>
/// <param name="item">The object to locate in the <see cref="T:System.Collections.Generic.IList`1"/>.</param>
/// <returns>
/// The index of <paramref name="item"/> if found in the list; otherwise, -1.
/// </returns>
public int IndexOf(ModuleInfo item)
{
return this.modules.IndexOf(item);
}
/// <summary>
/// Inserts an item to the <see cref="T:System.Collections.Generic.IList`1"/> at the specified index.
/// </summary>
/// <param name="index">The zero-based index at which <paramref name="item"/> should be inserted.</param>
/// <param name="item">The object to insert into the <see cref="T:System.Collections.Generic.IList`1"/>.</param>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="index"/> is not a valid index in the <see cref="T:System.Collections.Generic.IList`1"/>.
/// </exception>
public void Insert(int index, ModuleInfo item)
{
this.modules.Insert(index, item);
}
/// <summary>
/// Gets or sets the <see cref="ModuleInfo"/> at the specified index.
/// </summary>
/// <value>The <see cref="ModuleInfo"/> at the specified index </value>
public ModuleInfo this[int index]
{
get { return this.modules[index]; }
set { this.modules[index] = value; }
}
}
}