// CSharp Editor Example with Code Completion
// Copyright (c) 2006, Daniel Grunwald
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
// 
// - Redistributions of source code must retain the above copyright notice, this list
//   of conditions and the following disclaimer.
// 
// - Redistributions in binary form must reproduce the above copyright notice, this list
//   of conditions and the following disclaimer in the documentation and/or other materials
//   provided with the distribution.
// 
// - Neither the name of the ICSharpCode team nor the names of its contributors may be used to
//   endorse or promote products derived from this software without specific prior written
//   permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &AS IS& AND ANY EXPRESS
// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

using System;
using System.Windows.Forms;
using ICSharpCode.SharpDevelop.Dom;
using CSTextEditor;

namespace CodeComplete
{
	/// <summary>
	/// ICSharpCode.SharpDevelop.Dom was created by extracting code from ICSharpCode.SharpDevelop.dll.
	/// There are a few static method calls that refer to GUI code or the code for keeping the parse
	/// information. These calls have to be implemented by the application hosting
	/// ICSharpCode.SharpDevelop.Dom by settings static fields with a delegate to their method
	/// implementation.
	/// </summary>
	static class HostCallbackImplementation
	{
		public static void Register(MainForm Form1)
		{
			// Must be implemented. Gets the parse information for the specified file.
			HostCallback.GetParseInformation = delegate(string fileName) {
				if (fileName != MainForm.CompilableFileName)
					throw new Exception("Unknown file");
				if (Form1.lastCompilationUnit == null)
					return null;
				ParseInformation pi = new ParseInformation();
				pi.ValidCompilationUnit = Form1.lastCompilationUnit;
				return pi;
			};
			
			// Must be implemented. Gets the project content of the active project.
			HostCallback.GetCurrentProjectContent = delegate {
				return Form1.myProjectContent;
			};
			
			// The default implementation just logs to Log4Net. We want to display a MessageBox.
			// Note that we use += here - in this case, we want to keep the default Log4Net implementation.
			HostCallback.ShowError += delegate(string message, Exception ex) {
				MessageBox.Show(message + Environment.NewLine + ex.ToString());
			};
			HostCallback.ShowMessage += delegate(string message) {
				MessageBox.Show(message);
			};
			HostCallback.ShowAssemblyLoadError += delegate(string fileName, string include, string message) {
				MessageBox.Show("Error loading code-completion information for "
				                + include + " from " + fileName
				                + ":\r\n" + message + "\r\n");
			};
		}
	}
}