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Viewing changes to src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Services/ErrorService.cs

  • Committer: sk
  • Date: 2011-09-10 05:17:57 UTC
  • Revision ID: halega@halega.com-20110910051757-qfouz1llya9m6boy
4.1.0.7915 Release Candidate 1

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src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Services/ErrorService.cs
 
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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
 
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// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 
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using System;
 
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using System.Windows;
 
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using ICSharpCode.WpfDesign.Designer.Controls;
 
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namespace ICSharpCode.WpfDesign.Designer.Services
 
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{
 
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        sealed class DefaultErrorService : IErrorService
 
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        {
 
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                sealed class AttachedErrorBalloon : ErrorBalloon
 
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                {
 
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                        FrameworkElement attachTo;
 
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                        public AttachedErrorBalloon(FrameworkElement attachTo, UIElement errorElement)
 
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                        {
 
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                                this.attachTo = attachTo;
 
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                                this.Content = errorElement;
 
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                        }
 
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                        internal void AttachEvents()
 
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                        {
 
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                                attachTo.Unloaded += OnCloseEvent;
 
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                                attachTo.PreviewKeyDown += OnCloseEvent;
 
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                                attachTo.PreviewMouseDown += OnCloseEvent;
 
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                                attachTo.LostFocus += OnCloseEvent;
 
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                        }
 
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                        void OnCloseEvent(object sender, EventArgs e)
 
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                        {
 
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                                this.Close();
 
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                        }
 
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                        protected override void OnClosing(System.ComponentModel.CancelEventArgs e)
 
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                        {
 
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                                attachTo.Unloaded -= OnCloseEvent;
 
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                                attachTo.PreviewKeyDown -= OnCloseEvent;
 
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                                attachTo.PreviewMouseDown -= OnCloseEvent;
 
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                                attachTo.LostFocus -= OnCloseEvent;
 
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                                base.OnClosing(e);
 
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                        }
 
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                        protected override void OnMouseDown(System.Windows.Input.MouseButtonEventArgs e)
 
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                        {
 
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                                base.OnMouseDown(e);
 
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                                Close();
 
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                        }
 
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                }
 
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                ServiceContainer services;
 
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                public DefaultErrorService(DesignContext context)
 
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                {
 
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                        this.services = context.Services;
 
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                }
 
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                public void ShowErrorTooltip(FrameworkElement attachTo, UIElement errorElement)
 
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                {
 
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                        if (attachTo == null)
 
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                                throw new ArgumentNullException("attachTo");
 
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                        if (errorElement == null)
 
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                                throw new ArgumentNullException("errorElement");
 
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                        AttachedErrorBalloon b = new AttachedErrorBalloon(attachTo, errorElement);
 
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                        Point pos = attachTo.PointToScreen(new Point(0, attachTo.ActualHeight));
 
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                        b.Left = pos.X;
 
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                        b.Top = pos.Y - 8;
 
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                        b.Focusable = false;
 
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                        ITopLevelWindowService windowService = services.GetService<ITopLevelWindowService>();
 
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                        ITopLevelWindow ownerWindow = (windowService != null) ? windowService.GetTopLevelWindow(attachTo) : null;
 
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                        if (ownerWindow != null) {
 
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                                ownerWindow.SetOwner(b);
 
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                        }
 
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                        b.Show();
 
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                        if (ownerWindow != null) {
 
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                                ownerWindow.Activate();
 
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                        }
 
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                        b.AttachEvents();
 
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                }
 
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        }
 
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}