Example #1
0
        private void InitComposer(IBackgroundTaskContext context)
        {
            const float WGT_SCAN = 10f;
            const float WGT_INIT = 90f;

            List <IPresentationImage> queue = new List <IPresentationImage>();
            int count = 0;
            int total = this.Context.ClipboardItems.Count;

            context.ReportProgress(new BackgroundTaskProgress(0, SR.MessageScanningClipboard));
            foreach (IClipboardItem item in this.Context.ClipboardItems)
            {
                if (item.Item is IPresentationImage)
                {
                    Enqueue(queue, (IPresentationImage)item.Item);
                }
                else if (item.Item is IDisplaySet)
                {
                    Enqueue(queue, (IDisplaySet)item.Item);
                }
                else if (item.Item is IImageSet)
                {
                    Enqueue(queue, (IImageSet)item.Item);
                }

                count++;
                if (context.CancelRequested)
                {
                    break;
                }

                context.ReportProgress(new BackgroundTaskProgress((int)(WGT_SCAN * count / total), SR.MessageScanningClipboard));
            }

            if (!context.CancelRequested)
            {
                StudyComposerComponent composer = new StudyComposerComponent();
                total = queue.Count;
                for (int n = 0; n < queue.Count; n++)
                {
                    if (context.CancelRequested)
                    {
                        break;
                    }

                    IPresentationImage image = queue[n];
                    context.ReportProgress(new BackgroundTaskProgress((int)(WGT_SCAN + WGT_INIT * n / total), SR.MessageReadingImages));
                    composer.InsertImage(image);
                }

                if (!context.CancelRequested)
                {
                    context.ReportProgress(new BackgroundTaskProgress(100, SR.Done));
                    _composer = composer;
                    context.Complete(null);
                }
            }

            if (context.CancelRequested)
            {
                context.Cancel();
            }
        }