private void RaiseFirstUpdatingProgress(TaskPlugin plugin, string currentTaskToken)
{
UpdatingTaskProgressEventArgs e = new UpdatingTaskProgressEventArgs(TaskState.Updating);
e.TaskToken = currentTaskToken;
e.Parameters.Add("Name", plugin.Name);
e.Parameters.Add("Description", plugin.Description);
OnUpdatingProgress(e);
}
/// <summary>
/// Raises the <see cref="E:UpdatingProgress" /> event.
/// </summary>
/// <param name="e">The <see cref="UpdatingTaskProgressEventArgs" /> instance containing the event data.</param>
protected void OnUpdatingProgress(UpdatingTaskProgressEventArgs e)
{
EventHandler <UpdatingTaskProgressEventArgs> handler = UpdatingProgressInternal;
if (handler != null)
{
handler(null, e);
}
}
/// <summary>
/// Raises the <see cref="E:UpdatingProgress" /> event.
/// </summary>
/// <param name="e">The <see cref="UpdatingTaskProgressEventArgs" /> instance containing the event data.</param>
protected virtual void OnUpdatingProgress(UpdatingTaskProgressEventArgs e)
{
var handler = UpdatingProgress;
if (handler != null)
{
handler(this, e);
if (e.TaskState == TaskState.Canceled)
{
isCanceled = true;
}
}
}
private static void TryUpdateProgress(UpdatingTaskProgressEventArgs e)
{
try
{
if (receiver != null)
{
receiver.UpdateProgress(e);
}
}
catch
{
receiver = null;
}
}
private void task_UpdatingProgress(object sender, UpdatingTaskProgressEventArgs e)
{
e.TaskToken = taskToken;
while (currentTaskCommand == TaskCommand.Pause)
{
TryUpdateProgress(e);
Thread.Sleep(500);
}
TryUpdateProgress(e);
if (currentTaskCommand == TaskCommand.Cancel)
{
e.TaskState = TaskState.Canceled;
}
}
private void Task_UpdatingProgress(object sender, UpdatingTaskProgressEventArgs e)
{
var currentTaskPlugin = (TaskPlugin)sender;
var inProcessTaskInformation = inProcessTaskInformations.FirstOrDefault(p => p.TaskPlugin.Equals(currentTaskPlugin));
if (inProcessTaskInformation != null)
{
if (inProcessTaskInformation.TaskCommand == TaskCommand.Cancel)
{
e.TaskState = TaskState.Canceled;
}
e.TaskToken = inProcessTaskInformation.TaskToken;
}
UpdateProgressCore(e);
}
/// <summary>
/// Runs this instance.
/// </summary>
public void Run()
{
UpdatingTaskProgressEventArgs args = new UpdatingTaskProgressEventArgs(TaskState.Updating);
OnUpdatingProgress(args);
try
{
RunCore();
}
catch (Exception e)
{
GisEditor.LoggerManager.Log(LoggerLevel.Debug, e.Message, new ExceptionInfo(e));
args.Error = new ExceptionInfo(e.Message, e.StackTrace, e.Source);
isCanceled = true;
}
finally
{
args.TaskState = isCanceled ? TaskState.Canceled : TaskState.Completed;
OnUpdatingProgress(args);
}
}
void ITaskCallbackReceiver.UpdateProgress(UpdatingTaskProgressEventArgs e)
{
UpdateProgressCore(e);
}
/// <summary>
/// Updates the progress core.
/// </summary>
/// <param name="e">The <see cref="UpdatingTaskProgressEventArgs" /> instance containing the event data.</param>
protected virtual void UpdateProgressCore(UpdatingTaskProgressEventArgs e)
{
OnUpdatingProgress(e);
}
