xmlcompletiondata.cs

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//
// SharpDevelop Xml Editor
//
// Copyright (C) 2005 Matthew Ward
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// Matthew Ward ([e-mail])

using ICSharpCode.TextEditor;
using ICSharpCode.TextEditor.Gui.CompletionWindow;
using System;

namespace ICSharpCode.XmlEditor
{
	/// <summary>
	/// Holds the text for  namespace, child element or attribute 
	/// autocomplete (intellisense).
	/// </summary>
	public class XmlCompletionData : ICompletionData
	{
		string text;
		DataType dataType = DataType.XmlElement;
		string description = String.Empty;
		
		/// <summary>
		/// The type of text held in this object.
		/// </summary>
		public enum DataType {
			XmlElement = 1,
			XmlAttribute = 2,
			NamespaceUri = 3,
			XmlAttributeValue = 4
		}
		
		public XmlCompletionData(string text)
			: this(text, String.Empty, DataType.XmlElement)
		{
		}
		
		public XmlCompletionData(string text, string description)
			: this(text, description, DataType.XmlElement)
		{
		}

		public XmlCompletionData(string text, DataType dataType)
			: this(text, String.Empty, dataType)
		{
		}		

		public XmlCompletionData(string text, string description, DataType dataType)
		{
			this.text = text;
			this.description = description;
			this.dataType = dataType;  
		}		
		
		public int ImageIndex {
			get {
				return 0;
			}
		}
		
		public string[] Text {
			get {
				return new string[] { text };
			}
		}
		
		/// <summary>
		/// Returns the xml item's documentation as retrieved from
		/// the xs:annotation/xs:documentation element.
		/// </summary>
		public string Description {
			get {
				return description;
			}
		}
		
		public void InsertAction(TextEditorControl control)
		{
			XmlEditorControl xmlEditorControl = (XmlEditorControl)control;
			TextArea textArea = xmlEditorControl.ActiveTextAreaControl.TextArea;
			
			if ((dataType == DataType.XmlElement) || (dataType == DataType.XmlAttributeValue)) {
				textArea.InsertString(text);
			}
			else if (dataType == DataType.NamespaceUri) {
				textArea.InsertString(String.Concat("\"", text, "\""));
			} else {
				// Insert an attribute.
				Caret caret = textArea.Caret;
				textArea.InsertString(String.Concat(text, "=\"\""));	
				
				// Move caret into the middle of the attribute quotes.
				caret.Position = xmlEditorControl.Document.OffsetToPosition(caret.Offset - 1);
			}
		}
		
		public int CompareTo(object obj)
		{
			if ((obj == null) || !(obj is XmlCompletionData)) {
				return -1;
			}
			return text.CompareTo(((XmlCompletionData)obj).text);
		}
	}
}