source: branches/eraser6/Eraser/ProgressForm.cs @ 220

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

using Eraser.Manager;

namespace Eraser
{
    public partial class ProgressForm : Form
    {
        private Task task;

        public ProgressForm(Task task)
        {
            InitializeComponent();
            this.task = task;

            //Register the event handlers
            jobTitle.Text = task.UIText;
            task.ProgressChanged += new Task.ProgressEventFunction(task_ProgressChanged);
            task.TaskFinished += new Task.TaskEventFunction(task_TaskFinished);
        }

        ~ProgressForm()
        {
            task.ProgressChanged -= new Task.ProgressEventFunction(task_ProgressChanged);
            task.TaskFinished -= new Task.TaskEventFunction(task_TaskFinished);
        }

        void task_ProgressChanged(TaskProgressEventArgs e)
        {
            if (InvokeRequired)
            {
                Task.ProgressEventFunction func =
                    new Task.ProgressEventFunction(task_ProgressChanged);
                Invoke(func, new object[] {e});
                return;
            }

            item.Text = e.CurrentItemName;
            pass.Text = string.Format("{0} out of {1}", e.CurrentPass, e.TotalPasses);
            timeLeft.Text = string.Format("{0} left", new TimeSpan(0, 0, e.TimeLeft).ToString());

            itemProgress.Value = e.CurrentItemProgress;
            itemProgressLbl.Text = string.Format("{0}%", e.CurrentItemProgress);
            overallProgress.Value = e.OverallProgress;
            overallProgressLbl.Text = string.Format("Total: {0}%", e.OverallProgress);
        }

        void task_TaskFinished(TaskEventArgs e)
        {
            if (InvokeRequired)
            {
                Task.TaskEventFunction func =
                    new Task.TaskEventFunction(task_TaskFinished);
                Invoke(func, new object[] { e });
                return;
            }

            //Inform the user on the status of the task.
            status.Text = "Completed";
            LogLevel highestLevel = LogLevel.INFORMATION;
            foreach (LogEntry log in e.Task.Log)
                if (log.Level > highestLevel)
                    highestLevel = log.Level;

            switch (highestLevel)
            {
                case LogLevel.WARNING:
                    status.Text += " with warnings";
                    break;
                case LogLevel.ERROR:
                    status.Text  += " with errors";
                    break;
                case LogLevel.FATAL:
                    status.Text = "Not completed";
                    break;
            }
        }

        private void stop_Click(object sender, EventArgs e)
        {
            if (task.Executing)
                task.Executor.CancelTask(task);
            Close();
        }
    }
}