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COBieProgress.cs
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COBieProgress.cs
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using System.Diagnostics;
namespace Xbim.COBie
{
/// <summary>
/// A class to help send progress updates back to the calling context
/// </summary>
public class COBieProgress
{
private COBieProgress() {}
public COBieProgress(ICOBieContext context)
{
Context = context;
}
#region Private fields
bool _initialised = false;
Stopwatch _timer = new Stopwatch();
long _lastUpdate = 0;
int UpdateInterval = 500; // Update every 500ms
#endregion
ICOBieContext Context
{
get;
set;
}
public void Initialise(string message, int totalRecords = 0, int currentRecord = 0)
{
Message = message;
TotalRecords = totalRecords;
CurrentRecord = currentRecord;
_initialised = true;
_timer.Start();
UpdateStatus(true);
}
public void Finalise()
{
if (_initialised == true)
{
Message += "... Finished";
UpdateStatus(true);
}
}
public int CurrentRecord
{
get;
set;
}
public int TotalRecords
{
get;
set;
}
public string Message
{
get;
set;
}
public void Increment()
{
CurrentRecord++;
}
public void IncrementAndUpdate()
{
Increment();
UpdateStatus();
}
/// <summary>
/// Updates the context with the latest status
/// </summary>
/// <remarks>Only updates every few hundred milli-seconds unless the Update is forced.</remarks>
/// <param name="forceUpdate"></param>
public void UpdateStatus(bool forceUpdate = false)
{
if (forceUpdate || UpdateIntervalPassed())
{
Context.UpdateStatus(Message, TotalRecords, CurrentRecord);
_lastUpdate = _timer.ElapsedMilliseconds;
}
}
private bool UpdateIntervalPassed()
{
// Always update if timer not started (i.e not yet initialised)
if (_timer.IsRunning == false)
return true;
else
return (_timer.ElapsedMilliseconds > (_lastUpdate + UpdateInterval));
}
public void ReportMessage(string message)
{
Context.UpdateStatus(message, TotalRecords, CurrentRecord);
}
}
}