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HigMessageDialog.cs

//
// HigMessageDialog.cs
//
// Authors:
//   Aaron Bockover <abockover@novell.com>
//
// Copyright (C) 2007 Novell, 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;

namespace Hyena.Widgets
{
    public class HigMessageDialog : Gtk.Dialog
    {
        private Gtk.Image image;
        private Gtk.VBox inner_vbox;
        private Gtk.VBox label_vbox;
        private Gtk.Label message_label;

        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 = "";
            SkipTaskbarHint = true;

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

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

            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.Yalign = 0.1f;
            image.Show ();
            hbox.PackStart (image, false, false, 0);

            inner_vbox = new Gtk.VBox (false, 12);
            inner_vbox.Show ();
            hbox.PackStart (inner_vbox, true, true, 0);

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

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

            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);

            message_label = label = new Gtk.Label ();
            label.Markup = msg;
            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);

            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 Gtk.Button AddCustomButton (string message, Gtk.ResponseType response, bool isDefault)
        {
            Gtk.Button button = new Gtk.Button ();
            button.Label = message;
            button.CanDefault = true;
            button.Show ();
            AddButton (button, response, isDefault);
            return button;
        }

        public void AddButton (string stock_id, Gtk.ResponseType response, bool isDefault)
        {
            Gtk.Button button = new Gtk.Button (stock_id);
            button.CanDefault = true;
            button.Show ();
            AddButton (button, response, isDefault);
        }

        private void AddButton (Gtk.Button button, Gtk.ResponseType response, bool isDefault)
        {
            AddActionWidget (button, response);

            if (isDefault) {
                Default = button;
                DefaultResponse = response;
                button.GrabDefault ();
            }
        }

        //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();
             }
         }

         public Gdk.Pixbuf Image {
            set {
                image.Pixbuf = value;
            }

            get {
                return image.Pixbuf;
            }
        }

        public Gtk.Label MessageLabel {
            get { return message_label; }
        }

        public Gtk.VBox LabelVBox {
            get { return inner_vbox; }
        }
    }
}

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