source: trunk/HeuristicLab.ExtLibs/HeuristicLab.NRefactory/5.5.0/NRefactory.CSharp-5.5.0/Refactoring/CodeAction.cs @ 15682

// 
// CodeAction.cs
//  
// Author:
//       Mike KrÃŒger <mkrueger@xamarin.com>
// 
// Copyright (c) 2012 Xamarin Inc. (http://xamarin.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 ICSharpCode.NRefactory.Refactoring;

namespace ICSharpCode.NRefactory.CSharp.Refactoring
{
  /// <summary>
  /// A code action provides a code transformation with a description.
  /// </summary>
  public class CodeAction
  {
    /// <summary>
    /// Gets the description.
    /// </summary>
    public string Description {
      get;
      private set;
    }

    /// <summary>
    /// Gets the code transformation.
    /// </summary>
    public Action<Script> Run {
      get;
      private set;
    }

    /// <summary>
    /// Gets the action start location.
    /// </summary>
    public TextLocation Start {
      get;
      private set;
    }

    /// <summary>
    /// Gets the action end location.
    /// </summary>
    public TextLocation End {
      get;
      private set;
    }
    
    /// <summary>
    /// This property is used to identify which actions are "siblings", ie which actions
    /// are the same kind of fix. This is used to group issues when batch fixing them.
    /// </summary>
    /// <remarks>
    /// Although the type is <see cref="object"/>, there is a restriction: The instance
    /// used must behave well as a key (for instance in a hash table). Additionaly, this
    /// value must be independent of the specific <see cref="CodeIssueProvider"/> instance
    /// which created it. In other words two different instances of the same issue provider
    /// implementation should use the same sibling keys for the same kinds of issues.
    /// </remarks>
    /// <value>The non-null sibling key if this type of action is batchable, null otherwise.</value>
    public object SiblingKey {
      get;
      private set;
    }

    Severity severity = Severity.Suggestion;

    /// <summary>
    /// Gets or sets the severity of the code action. 
    /// Actions are sorted according to their Severity.
    /// </summary>
    /// <value>The severity.</value>
    public Severity Severity {
      get {
        return severity;
      }
      set {
        severity = value;
      }
    }

    const string defaultSiblingKey = "default";

    /// <summary>
    /// Initializes a new instance of the <see cref="ICSharpCode.NRefactory.CSharp.Refactoring.CodeAction"/> class,
    /// using a non-null default value for <see cref="SiblingKey"/>.
    /// </summary>
    /// <param name='description'>
    /// The description.
    /// </param>
    /// <param name='action'>
    /// The code transformation.
    /// </param>
    /// <param name='astNode'>
    /// A node that specifies the start/end positions for the code action.
    /// </param>
    public CodeAction (string description, Action<Script> action, AstNode astNode)
      : this (description, action, astNode, defaultSiblingKey)
    {
    }

    /// <summary>
    /// Initializes a new instance of the <see cref="ICSharpCode.NRefactory.CSharp.Refactoring.CodeAction"/> class.
    /// </summary>
    /// <param name='description'>
    /// The description.
    /// </param>
    /// <param name='action'>
    /// The code transformation.
    /// </param>
    /// <param name='astNode'>
    /// A node that specifies the start/end positions for the code action.
    /// </param>
    /// <param name="siblingKey>
    /// The key used to associate this action with other actions that should be fixed together in batch mode.
    /// </param>
    public CodeAction (string description, Action<Script> action, AstNode astNode, object siblingKey)
    {
      if (action == null)
        throw new ArgumentNullException ("action");
      if (description == null)
        throw new ArgumentNullException ("description");
      if (astNode == null)
        throw new ArgumentNullException("astNode");
      Description = description;
      Run = action;
      Start = astNode.StartLocation;
      End = astNode.EndLocation;
      SiblingKey = siblingKey;
    }

    /// <summary>
    /// Initializes a new instance of the <see cref="ICSharpCode.NRefactory.CSharp.Refactoring.CodeAction"/> class,
    /// using a non-null default value for <see cref="SiblingKey"/>.
    /// </summary>
    /// <param name='description'>
    /// The description.
    /// </param>
    /// <param name='action'>
    /// The code transformation.
    /// </param>
    /// <param name='start'>Start position for the code action.</param>
    /// <param name='end'>End position for the code action.</param>
    public CodeAction (string description, Action<Script> action, TextLocation start, TextLocation end)
      : this (description, action, start, end, defaultSiblingKey)
    {
      SiblingKey = defaultSiblingKey;
    }

    /// <summary>
    /// Initializes a new instance of the <see cref="ICSharpCode.NRefactory.CSharp.Refactoring.CodeAction"/> class.
    /// </summary>
    /// <param name='description'>
    /// The description.
    /// </param>
    /// <param name='action'>
    /// The code transformation.
    /// </param>
    /// <param name='start'>Start position for the code action.</param>
    /// <param name='end'>End position for the code action.</param>
    /// <param name="siblingKey>
    /// The key used to associate this action with other actions that should be fixed together in batch mode.
    /// </param>
    public CodeAction (string description, Action<Script> action, TextLocation start, TextLocation end, object siblingKey)
    {
      if (action == null)
        throw new ArgumentNullException ("action");
      if (description == null)
        throw new ArgumentNullException ("description");
      Description = description;
      Run = action;
      this.Start = start;
      this.End = end;
      SiblingKey = siblingKey;
    }
  }
}