コード例 #1
0
        void MultimediaThumbnailViewer_Loaded(object sender, RoutedEventArgs e)
        {
            var service = new SupportService(PluginManager.Instance.User);

            if (_model == null)
            {
                using (new OverrideCursor(Cursors.Wait)) {
                    if (ReportData != null && ReportData.ContainsColumn("MultimediaLink"))
                    {
                        int index = ReportData.IndexOf("MultimediaLink");
                        _model = new ObservableCollection <MultimediaLinkViewModel>();
                        foreach (MatrixRow row in ReportData)
                        {
                            var link = row[index] as MultimediaLink;
                            if (link != null)
                            {
                                _model.Add(new MultimediaLinkViewModel(link));
                            }
                        }
                        this.thumbList.ItemsSource = _model;
                    }
                }

                lock (_model) {
                    if (!_threadRunning)
                    {
                        _threadRunning = true;
                        JobExecutor.QueueJob(() => {
                            if (_model != null)
                            {
                                if (Progress != null)
                                {
                                    Progress.ProgressStart("Generating thumbnails...");
                                }

                                int count = 0;
                                foreach (MultimediaLinkViewModel vm in _model)
                                {
                                    bool generate = false;

                                    vm.InvokeIfRequired(() => {
                                        generate = vm.Thumbnail == null;
                                    });

                                    if (generate)
                                    {
                                        GenerateThumbnail(vm, THUMB_SIZE);
                                    }

                                    count++;
                                    if (Progress != null)
                                    {
                                        double percent = (((double)count) / ((double)_model.Count)) * 100.0;
                                        Progress.ProgressMessage(string.Format("Generating thumbnails ({0} of {1})", count, _model.Count), percent);
                                    }
                                }

                                if (Progress != null)
                                {
                                    Progress.ProgressEnd(string.Format("{0} thumbnails generated", count));
                                }
                            }
                            _threadRunning = false;
                        });
                    }
                }
            }
        }