PropertyDescriptorCollection.cs :  » 2.6.4-mono-.net-core » System.ComponentModel » System » ComponentModel » C# / CSharp Open Source

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C# / CSharp Open Source » 2.6.4 mono .net core » System.ComponentModel 
System.ComponentModel » System » ComponentModel » PropertyDescriptorCollection.cs
//
// System.ComponentModel.PropertyDescriptorCollection.cs
//
// Authors:
//   Rodrigo Moya (rodrigo@ximian.com)
//   Gonzalo Paniagua Javier (gonzalo@ximian.com)
//   Andreas Nahr (ClassDevelopment@A-SoftTech.com)
//
// (C) Rodrigo Moya, 2002
// (c) 2002 Ximian, Inc. (http://www.ximian.com)
// (C) 2003 Andreas Nahr
//

//
// 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.Collections;
namespace System.ComponentModel{
  /// <summary>
  /// Represents a collection of PropertyDescriptor objects.
  /// </summary>
  public class PropertyDescriptorCollection : IList, ICollection, IEnumerable, IDictionary
  {
    public static readonly PropertyDescriptorCollection Empty = new PropertyDescriptorCollection (null, true);
    private ArrayList properties;
    private bool readOnly;

    public PropertyDescriptorCollection (PropertyDescriptor[] properties)
    {
      this.properties = new ArrayList ();
      if (properties == null)
        return;

      this.properties.AddRange (properties);
    }

#if NET_2_0
    public
#else
    internal
#endif
    PropertyDescriptorCollection (PropertyDescriptor[] properties, bool readOnly) : this (properties)
    {
      this.readOnly = readOnly;
    }
    
    private PropertyDescriptorCollection ()
    {
    }

    public int Add (PropertyDescriptor value)
    {
      if (readOnly) {
        throw new NotSupportedException ();
      }
      properties.Add (value);
      return properties.Count - 1;
    }

    int IList.Add (object value)
    {
      return Add ((PropertyDescriptor) value);
    }

    void IDictionary.Add (object key, object value)
    {
      if ((value as PropertyDescriptor) == null) {
        throw new ArgumentException ("value");
      }

      Add ((PropertyDescriptor) value);
    }

    public void Clear ()
    {
      if (readOnly) {
        throw new NotSupportedException ();
      }
      properties.Clear ();
    }

#if !TARGET_JVM // DUAL_IFACE_CONFLICT
    void IList.Clear ()
    {
      Clear ();
    }

    void IDictionary.Clear ()
    {
      Clear ();
    }
#endif

    public bool Contains (PropertyDescriptor value)
    {
      return properties.Contains (value);
    }

#if TARGET_JVM // DUAL_IFACE_CONFLICT
    public bool Contains (object value)
    {
      return Contains ((PropertyDescriptor) value);
    }
#else

    bool IList.Contains (object value)
    {
      return Contains ((PropertyDescriptor) value);
    }

    bool IDictionary.Contains (object value)
    {
      return Contains ((PropertyDescriptor) value);
    }
#endif

    public void CopyTo (Array array, int index)
    {
      properties.CopyTo (array, index);
    }

    public virtual PropertyDescriptor Find (string name, bool ignoreCase)
    {
      if (name == null)
        throw new ArgumentNullException ("name");

      for (int i = 0; i < properties.Count; ++i) {
        PropertyDescriptor p = (PropertyDescriptor)properties [i];
#if NET_2_0
        if (ignoreCase) {
          if (0 == String.Compare (name, p.Name, StringComparison.OrdinalIgnoreCase))
            return p;
        }
        else {
          if (0 == String.Compare (name, p.Name, StringComparison.Ordinal))
            return p;
        }
#else
        if (ignoreCase) {
          if (0 == String.CompareOrdinal (name.ToLower (System.Globalization.CultureInfo.InvariantCulture),
            p.Name.ToLower (System.Globalization.CultureInfo.InvariantCulture)))
            return p;
        }
        else {
          if (0 == String.CompareOrdinal (name, p.Name))
            return p;
        }
#endif
      }
      return null;
    }

    public virtual IEnumerator GetEnumerator ()
    {
      return properties.GetEnumerator ();
    }

    IEnumerator IEnumerable.GetEnumerator ()
    {
      return GetEnumerator ();
    }

    [MonoTODO]
    IDictionaryEnumerator IDictionary.GetEnumerator ()
    {
      throw new NotImplementedException ();
    }

    public int IndexOf (PropertyDescriptor value)
    {
      return properties.IndexOf (value);
    }

    int IList.IndexOf (object value)
    {
      return IndexOf ((PropertyDescriptor) value);
    }

    public void Insert (int index, PropertyDescriptor value)
    {
      if (readOnly) {
        throw new NotSupportedException ();
      }
      properties.Insert (index, value);
    }

    void IList.Insert (int index, object value)
    {
      Insert (index, (PropertyDescriptor) value);
    }

    public void Remove (PropertyDescriptor value)
    {
      if (readOnly) {
        throw new NotSupportedException ();
      }
      properties.Remove (value);
    }

#if TARGET_JVM// DUAL_IFACE_CONFLICT
    public void Remove (object value)
    {
      Remove ((PropertyDescriptor) value);
    }
#else
    void IDictionary.Remove (object value)
    {
      Remove ((PropertyDescriptor) value);
    }

    void IList.Remove (object value)
    {
      Remove ((PropertyDescriptor) value);
    }
#endif
    public void RemoveAt (int index)
    {
      if (readOnly) {
        throw new NotSupportedException ();
      }
      properties.RemoveAt (index);
    }

    void IList.RemoveAt (int index)
    {
      RemoveAt (index);
    }

    private PropertyDescriptorCollection CloneCollection ()
    {
      PropertyDescriptorCollection col = new PropertyDescriptorCollection ();
      col.properties = (ArrayList) properties.Clone ();
      return col;
    }
    
    public virtual PropertyDescriptorCollection Sort ()
    {
      PropertyDescriptorCollection col = CloneCollection ();
      col.InternalSort ((IComparer) null);
      return col;
    }

    public virtual PropertyDescriptorCollection Sort (IComparer comparer)
    {
      PropertyDescriptorCollection col = CloneCollection ();
      col.InternalSort (comparer);
      return col;
    }

    public virtual PropertyDescriptorCollection Sort (string[] order) 
    {
      PropertyDescriptorCollection col = CloneCollection ();
      col.InternalSort (order);
      return col;
    }

    public virtual PropertyDescriptorCollection Sort (string[] order, IComparer comparer) 
    {
      PropertyDescriptorCollection col = CloneCollection ();
      if (order != null) {
        ArrayList sorted = col.ExtractItems (order);
        col.InternalSort (comparer);
        sorted.AddRange (col.properties);
        col.properties = sorted;
      } else {
        col.InternalSort (comparer);
      }
      return col;
    }

    protected void InternalSort (IComparer ic)
    {
      if (ic == null)
        ic = MemberDescriptor.DefaultComparer;
      properties.Sort (ic);
    }

    protected void InternalSort (string [] order)
    {
      if (order != null) {
        ArrayList sorted = ExtractItems (order);
        InternalSort ((IComparer) null);
        sorted.AddRange (properties);
        properties = sorted;
      } else {
        InternalSort ((IComparer) null);
      }
    }
    
    ArrayList ExtractItems (string[] names)
    {
      ArrayList sorted = new ArrayList (properties.Count);
      object[] ext = new object [names.Length];
      
      for (int n=0; n<properties.Count; n++)
      {
        PropertyDescriptor ed = (PropertyDescriptor) properties[n];
        int i = Array.IndexOf (names, ed.Name);
        if (i != -1) {
          ext[i] = ed;
          properties.RemoveAt (n);
          n--;
        }
      }
      foreach (object ob in ext)
        if (ob != null) sorted.Add (ob);
        
      return sorted;
    }
    
    internal PropertyDescriptorCollection Filter (Attribute[] attributes)
    {
      ArrayList list = new ArrayList ();
      foreach (PropertyDescriptor pd in properties) {
        if (pd.Attributes.Contains (attributes)) {
          list.Add (pd);
        }
      }
      PropertyDescriptor[] descriptors = new PropertyDescriptor[list.Count];
      list.CopyTo (descriptors);
      return new PropertyDescriptorCollection (descriptors, true);
    }

#if TARGET_JVM //DUAL_IFACE_CONFLICT
    public bool IsFixedSize
#else
    bool IDictionary.IsFixedSize
    {
      get {return ((IList)this).IsFixedSize;}
    }
    bool IList.IsFixedSize
#endif
    {
      get 
      {
#if NET_2_0
        return readOnly;
#else
        return !readOnly;
#endif
      }
    }
#if TARGET_JVM //DUAL_IFACE_CONFLICT
    public bool IsReadOnly
#else
    bool IDictionary.IsReadOnly
    {
      get {return ((IList)this).IsReadOnly;}
    }
    bool IList.IsReadOnly
#endif
    {
      get 
      {
        return readOnly;
      }
    }

    bool ICollection.IsSynchronized
    {
      get {
        return false;
      }
    }

    int ICollection.Count {
      get { return Count; }
    }

    public int Count
    {
      get {
        return properties.Count;
      }
    }

    object ICollection.SyncRoot
    {
      get {
        return null;
      }
    }

    ICollection IDictionary.Keys
    {
      get {
        string [] keys = new string [properties.Count];
        int i = 0;
        foreach (PropertyDescriptor p in properties)
          keys [i++] = p.Name;
        return keys;
      }
    }

    ICollection IDictionary.Values
    {
      get {
        return (ICollection) properties.Clone ();
      }
    }

    object IDictionary.this [object key]
    {
      get {
        if (!(key is string))
          return null;
        return this [(string) key];
      }
      set {
        if (readOnly) {
          throw new NotSupportedException ();
        }

        if (!(key is string) || (value as PropertyDescriptor) == null)
          throw new ArgumentException ();
        int idx = properties.IndexOf (value);
        if (idx == -1)
          Add ((PropertyDescriptor) value);
        else
          properties [idx] = value;
      }
    }

    public virtual PropertyDescriptor this [string s]
    {
      get {
        return Find (s, false);
      }
    }

    object IList.this [int index]
    {
      get {
        return properties [index];
      }
      set {
        if (readOnly) {
          throw new NotSupportedException ();
        }
        properties [index] = value;
      }
    }

    public virtual PropertyDescriptor this [int index]
    {
      get {
        return (PropertyDescriptor) properties [index];
      }
    }
  }
}

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