using System;
using Mono.Unix;
using Gtk;

namespace FSpot {
	public class EditException : Exception 
	{
		IBrowsableItem item;

		public IBrowsableItem Item {
			get { return item; }
		}

		public EditException (IBrowsableItem item, Exception e) : base (
                        String.Format (Catalog.GetString ("Received exception \"{0}\". Unable to save photo {1}"),
				       e.Message, item.Name), e)
		{
			this.item = item;
		}
	}

	public class EditExceptionDialog : HigMessageDialog
	{
		private const int MaxErrors = 10;

		public EditExceptionDialog (Gtk.Window parent, Exception [] errors) : base (parent, DialogFlags.DestroyWithParent,
											    Gtk.MessageType.Error, ButtonsType.Ok,
											    Catalog.GetString ("Error editing photo"),
											    GenerateMessage (errors))
		{
		}

		public EditExceptionDialog (Gtk.Window parent, Exception e, IBrowsableItem item) : this (parent, new EditException (item, e))
		{
		}
	       
		public EditExceptionDialog (Gtk.Window parent, Exception e) : this (parent, new Exception [] { e })
		{
		}

		private static string GenerateMessage (Exception [] errors)
		{
			string desc = String.Empty;
			for (int i = 0; i < errors.Length && i < MaxErrors; i++) {
				Exception e = errors [i];
				desc += e.Message + Environment.NewLine;
			}
			return desc;
		}
	}
}					    

// created on 24/01/2005 at 20:14
// Taken pretty much wholesale from Tomboy
public class HigMessageDialog : Gtk.Dialog
{
	Gtk.AccelGroup accel_group;

	public HigMessageDialog (Gtk.Window parent,
				 Gtk.DialogFlags flags,
				 Gtk.MessageType type,
				 Gtk.ButtonsType buttons,
				 string          header,
				 string          msg)
		: base ()
	{
		HasSeparator = false;
		BorderWidth = 5;
		Resizable = false;
		Title = String.Empty;

		VBox.Spacing = 12;
		ActionArea.Layout = Gtk.ButtonBoxStyle.End;

		accel_group = new Gtk.AccelGroup ();
		AddAccelGroup (accel_group);

		Gtk.HBox hbox = new Gtk.HBox (false, 12);
		hbox.BorderWidth = 5;
		hbox.Show ();
		VBox.PackStart (hbox, false, false, 0);

		Gtk.Image image = null;

		switch (type) {
		case Gtk.MessageType.Error:
			image = new Gtk.Image (Gtk.Stock.DialogError, Gtk.IconSize.Dialog);
			break;
		case Gtk.MessageType.Question:
			image = new Gtk.Image (Gtk.Stock.DialogQuestion, Gtk.IconSize.Dialog);
			break;
		case Gtk.MessageType.Info:
			image = new Gtk.Image (Gtk.Stock.DialogInfo, Gtk.IconSize.Dialog);
			break;
		case Gtk.MessageType.Warning:
			image = new Gtk.Image (Gtk.Stock.DialogWarning, Gtk.IconSize.Dialog);
			break;
		}

		image.Show ();
		hbox.PackStart (image, false, false, 0);
		
		Gtk.VBox label_vbox = new Gtk.VBox (false, 0);
		label_vbox.Show ();
		hbox.PackStart (label_vbox, true, true, 0);

		string title = String.Format ("<span weight='bold' size='larger'>{0}" +
					      "</span>{1}",
					      header, Environment.NewLine);

		Gtk.Label label;

		label = new Gtk.Label (title);
		label.UseMarkup = true;
		label.Justify = Gtk.Justification.Left;
		label.LineWrap = true;
		label.SetAlignment (0.0f, 0.5f);
		label.Show ();
		label_vbox.PackStart (label, false, false, 0);

		label = new Gtk.Label (msg);
		label.UseMarkup = true;
		label.Justify = Gtk.Justification.Left;
		label.LineWrap = true;
		label.SetAlignment (0.0f, 0.5f);
		label.UseUnderline = false;
		label.Show ();
		label_vbox.PackStart (label, false, false, 0);
		
		switch (buttons) {
		case Gtk.ButtonsType.None:
			break;
		case Gtk.ButtonsType.Ok:
			AddButton (Gtk.Stock.Ok, Gtk.ResponseType.Ok, true);
			break;
		case Gtk.ButtonsType.Close:
			AddButton (Gtk.Stock.Close, Gtk.ResponseType.Close, true);
			break;
		case Gtk.ButtonsType.Cancel:
			AddButton (Gtk.Stock.Cancel, Gtk.ResponseType.Cancel, true);
			break;
		case Gtk.ButtonsType.YesNo:
			AddButton (Gtk.Stock.No, Gtk.ResponseType.No, false);
			AddButton (Gtk.Stock.Yes, Gtk.ResponseType.Yes, true);
			break;
		case Gtk.ButtonsType.OkCancel:
			AddButton (Gtk.Stock.Cancel, Gtk.ResponseType.Cancel, false);
			AddButton (Gtk.Stock.Ok, Gtk.ResponseType.Ok, true);
			break;
		}

		if (parent != null)
			TransientFor = parent;

		if ((int) (flags & Gtk.DialogFlags.Modal) != 0)
			Modal = true;

		if ((int) (flags & Gtk.DialogFlags.DestroyWithParent) != 0)
			DestroyWithParent = true;
	}

	// constructor for a HIG confirmation alert with two buttons
	public HigMessageDialog (Gtk.Window parent,
				 Gtk.DialogFlags flags,
				 Gtk.MessageType type,
				 string          header,
				 string          msg,
				 string          ok_caption)
		: this (parent, flags, type, Gtk.ButtonsType.Cancel, header, msg)
	{
		AddButton (ok_caption, Gtk.ResponseType.Ok, false);
	}
	
	public void AddButton (string stock_id, Gtk.ResponseType response, bool is_default)
	{
		Gtk.Button button = new Gtk.Button (stock_id);
		button.CanDefault = true;
		button.Show ();

		AddActionWidget (button, response);

		if (is_default) {
			DefaultResponse = response;
			button.AddAccelerator ("activate",
					       accel_group,
					       (uint) Gdk.Key.Escape, 
					       0,
					       Gtk.AccelFlags.Visible);
		}
	}

	//run and destroy a standard dialog
	public static Gtk.ResponseType RunHigMessageDialog(Gtk.Window parent,
				 Gtk.DialogFlags flags,
				 Gtk.MessageType type,
				 Gtk.ButtonsType buttons,
				 string          header,
				 string          msg)
	{
		HigMessageDialog hmd = new HigMessageDialog(parent, flags, type, buttons, header, msg);
 		try {
 			return (Gtk.ResponseType)hmd.Run();
 		} finally {
 			hmd.Destroy();
 		}	
	}

	//Run and destroy a standard confirmation dialog
	public static Gtk.ResponseType RunHigConfirmation(Gtk.Window parent,
				 Gtk.DialogFlags flags,
				 Gtk.MessageType type,
				 string          header,
				 string          msg,
				 string          ok_caption)
	{
		HigMessageDialog hmd = new HigMessageDialog(parent, flags, type, header, msg, ok_caption);
 		try {
 			return (Gtk.ResponseType)hmd.Run();
 		} finally {
 			hmd.Destroy();
 		}	
 	}
}