xenadmin/XenAdmin/Diagnostics/Problems/Warning.cs

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using System;
using System.Diagnostics;
using System.Drawing;
using XenAdmin.Diagnostics.Checks;
using XenAdmin.Dialogs;

namespace XenAdmin.Diagnostics.Problems
{
    public abstract class Warning : Problem
    {
        protected Warning(Check check)
            : base(check)
        {
        }

        public override bool IsFixable => false;

        public override string HelpMessage => null;

        public override Image Image => Images.GetImage16For(Icons.Warning);
    }


    public abstract class WarningWithMoreInfo : Warning
    {
        protected WarningWithMoreInfo(Check check) : base(check)
        {
        }

        public override string HelpMessage => Messages.MORE_INFO;

        protected override Actions.AsyncAction CreateAction(out bool cancelled)
        {
            Program.Invoke(Program.MainWindow, () =>
            {
                using (var dlg = new WarningDialog(Message))
                {
                    if (!string.IsNullOrEmpty(LinkText) && !string.IsNullOrEmpty(LinkData))
                    {
                        dlg.LinkText = LinkText;
                        dlg.LinkData = LinkData;
                        dlg.ShowLinkLabel = true;
                    }
                    dlg.ShowDialog();
                }
            });

            cancelled = true;
            return null;
        }

        public abstract string Message { get; }
        public override string Title => Check.Description;
        public virtual string LinkData => null;
        public virtual string LinkText => LinkData;

        public override int CompareTo(Problem other)
        {
            if (!(other is WarningWithMoreInfo warning))
                return 1;

            var result = string.Compare(Message, warning.Message);

            return result == 0 ? base.CompareTo(other) : result;
        }
    }


    public abstract class WarningWithInformationUrl : Warning
    {
        protected WarningWithInformationUrl(Check check) : base(check)
        {
        }

        public abstract Uri UriToLaunch { get; }

        public virtual string LinkText => UriToLaunch != null ? Messages.DETAILS : string.Empty;

        public void LaunchUrlInBrowser()
        {
            try
            {
                if (UriToLaunch != null)
                    Process.Start(UriToLaunch.AbsoluteUri);
            }
            catch (Exception)
            {
                using (var dlg = new ErrorDialog(string.Format(Messages.COULD_NOT_OPEN_URL,
                        UriToLaunch != null ? UriToLaunch.AbsoluteUri : string.Empty)))
                {
                    dlg.ShowDialog(Program.MainWindow);
                }
            }
        }
    }

    public abstract class Information : Warning
    {
        protected Information(Check check)
            : base(check)
        {
        }

        public sealed override Image Image => Images.GetImage16For(Icons.Info);
    }
}