ListControl.cs :  » 2.6.4-mono-.net-core » System.Windows.Forms » System » Windows » Forms » C# / CSharp Open Source

//
// System.Windows.Forms.ListControl.cs
//
// Author:
//   stubbed out by Daniel Carrera (dcarrera@math.toronto.edu)
//  Dennis Hayes (dennish@raytek.com)
//  Brian Takita (brian.takita@runbox.com)
// (C) 2002/3 Ximian, Inc
//

//
// 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.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Reflection;

namespace System.Windows.Forms{

  // <summary>
  //
  // </summary>

  public abstract class ListControl : Control {

    internal string DisplayMember_ = String.Empty;

    internal object DataSource_;
    //ControlStyles controlStyles;
    //
    //  --- Public Properties
    //
    [MonoTODO]
    public object DataSource {
      get {
        return DataSource_;
      }
      set {
        if (DataSource_ != value) {
          if ((value is IList) || (value is IListSource)) {
            DataSource_ = value;
            OnDataSourceChanged (new EventArgs ());

          } else {
            throw new Exception ("Complex DataBinding accepts as a data source either an IList or an IListSource");
          }
        }
      }
    }
    [MonoTODO]
    public string DisplayMember {
      get {
        return DisplayMember_;
      }
      set {
        if (DisplayMember_ != value) {
          DisplayMember_ = value;
          OnDisplayMemberChanged(new EventArgs());
        }
      }
    }
    
    internal string getDisplayMemberOfObj (object obj) {
      string objectString = String.Empty;
      Type t = obj.GetType();

      if (DisplayMember != String.Empty) {
        if (t != null) {
          PropertyInfo prop = t.GetProperty (DisplayMember);
          if (prop != null) 
            objectString = prop.GetValue (obj, null).ToString ();
        }
      }
      if (objectString == String.Empty)
        objectString = obj.ToString();

      return objectString;
    }
    
    internal class ListControlComparer : IComparer {
      private ListControl owner_ = null;
      public ListControlComparer(ListControl owner) {
        owner_ = owner;
      }


      public int Compare(object x, object y) {
        return owner_.getDisplayMemberOfObj(x).CompareTo (owner_.getDisplayMemberOfObj (y));
      }
    }
    

    [MonoTODO]
    public abstract int SelectedIndex {get;set;}

    [MonoTODO]
    public object SelectedValue {
      get {
        throw new NotImplementedException ();
      }
      set {
        //FIXME:
      }
    }
    [MonoTODO]
    public string ValueMember {
      get {
        throw new NotImplementedException ();
      }
      set {
        //FIXME:
      }
    }

    //
    //  --- Public Methods
    //

    [MonoTODO]
    public string GetItemText (object item) {
      throw new NotImplementedException ();
    }

    //
    //  --- Public Events
    //
    [MonoTODO]
    public event EventHandler DataSourceChanged;
    [MonoTODO]
    public event EventHandler DisplayMemberChanged;

    //
    // --- Protected Constructor
    //
    [MonoTODO]
    protected ListControl () {
      
    }

    //
    //  --- Protected Properties
    //
    [MonoTODO]
    protected CurrencyManager DataManager {
      get {
        throw new NotImplementedException ();
      }
    }

    //
    //  --- Protected Methods
    //

    [MonoTODO]
    protected object FilterItemOnProperty(object item){
      throw new NotImplementedException ();
    }

    [MonoTODO]
    protected object FilterItemOnProperty(object item, string field){
      throw new NotImplementedException ();
    }

    [MonoTODO]
    protected override bool IsInputKey (Keys keyData) {
      //FIXME:
      return base.IsInputKey(keyData);
    }
    [MonoTODO]
    protected virtual void OnDataSourceChanged (EventArgs e) {
      //FIXME:
    }
    [MonoTODO]
    protected virtual void OnDisplayMemberChanged (EventArgs e) {
      //FIXME:
    }

    [MonoTODO]
    protected virtual void OnSelectedIndexChanged (EventArgs e) {
      //FIXME:
    }    
    
    [MonoTODO]
    protected virtual void OnSelectedValueChanged (EventArgs e) {
      //FIXME:
    }
    
    public event EventHandler SelectedValueChanged;
    public event EventHandler ValueMemberChanged;
    
    [MonoTODO]
    protected override void OnBindingContextChanged (EventArgs e) {
      //FIXME:
      base.OnBindingContextChanged(e);
    }
    
    [MonoTODO]
    protected virtual void OnValueMemberChanged (EventArgs e) {
      //FIXME:
    }

    [MonoTODO]
    protected virtual void SetItemCore (int index, object value) {
      //FIXME:
    }
    protected abstract void SetItemsCore (IList items);

    [MonoTODO]
    protected abstract void RefreshItem (int index);
  }
}