private void Carousel_ViewChanged(object sender, ScrollViewerViewChangedEventArgs e)
{
if (!e.IsIntermediate)
{
Double offset = Carousel.HorizontalOffset;
Double width = Carousel.ActualWidth;
Int32 newIndex = (Int32)Math.Ceiling((offset - width / 2) / width);
Int32 oldIndex = PageLabelViewElement.ActivatedParagraphIndex;
PageLabelViewElement.ActivatedParagraphIndex = newIndex;
Double newOffset = PageLabelViewElement.ActivatedParagraphIndex * width;
Carousel.ChangeView(newOffset, null, null);
PageLabelViewElement.UpdateHighlight();
if (oldIndex != newIndex)
{
ParagraphScrolled();
}
}
}
public void UpdateCarousel(Boolean trackPreviousParagraph, String firstChartTag)
{
paragraphs.Clear();
if (ViewModel.IsBarChartVisible && BarChartElement.Tag?.ToString() == firstChartTag)
{
paragraphs.Add(BarChartWrapperElement);
}
if (ViewModel.IsGroupedBarChartVisible && GroupedBarChartElement.Tag?.ToString() == firstChartTag)
{
paragraphs.Add(GroupedBarChartWrapperElement);
}
if (ViewModel.IsLineChartVisible && LineChartElement.Tag?.ToString() == firstChartTag)
{
paragraphs.Add(LineChartWrapperElement);
}
if (ViewModel.IsDistributionVisible && DistributionViewElement.Tag?.ToString() == firstChartTag)
{
paragraphs.Add(DistributionWrapperElement);
}
if (ViewModel.IsDescriptiveStatisticsVisible && DescriptiveStatisticsViewElement.Tag?.ToString() == firstChartTag)
{
paragraphs.Add(DescriptiveStatisticsWrapperElement);
}
if (ViewModel.IsScatterplotVisible && ScatterplotElement.Tag?.ToString() == firstChartTag)
{
paragraphs.Add(ScatterplotWrapperElement);
}
if (ViewModel.IsPivotTableVisible && PivotTableViewElement.Tag?.ToString() == firstChartTag)
{
paragraphs.Add(PivotTableWrapperElement);
}
if (ViewModel.IsCorrelationStatisticsVisible && CorrelationStatisticsViewElement.Tag?.ToString() == firstChartTag)
{
paragraphs.Add(CorrelationStatisticsWrapperElement);
}
if (ViewModel.IsBarChartVisible && BarChartElement.Tag?.ToString() != firstChartTag)
{
paragraphs.Add(BarChartWrapperElement);
}
if (ViewModel.IsGroupedBarChartVisible && GroupedBarChartElement.Tag?.ToString() != firstChartTag)
{
paragraphs.Add(GroupedBarChartWrapperElement);
}
if (ViewModel.IsLineChartVisible && LineChartElement.Tag?.ToString() != firstChartTag)
{
paragraphs.Add(LineChartWrapperElement);
}
if (ViewModel.IsDistributionVisible && DistributionViewElement.Tag?.ToString() != firstChartTag)
{
paragraphs.Add(DistributionWrapperElement);
}
if (ViewModel.IsDescriptiveStatisticsVisible && DescriptiveStatisticsViewElement.Tag?.ToString() != firstChartTag)
{
paragraphs.Add(DescriptiveStatisticsWrapperElement);
}
if (ViewModel.IsScatterplotVisible && ScatterplotElement.Tag?.ToString() != firstChartTag)
{
paragraphs.Add(ScatterplotWrapperElement);
}
if (ViewModel.IsPivotTableVisible && PivotTableViewElement.Tag?.ToString() != firstChartTag)
{
paragraphs.Add(PivotTableWrapperElement);
}
if (ViewModel.IsCorrelationStatisticsVisible && CorrelationStatisticsViewElement.Tag?.ToString() != firstChartTag)
{
paragraphs.Add(CorrelationStatisticsWrapperElement);
}
if (ViewModel.IsNoPossibleVisualizationWarningVisible)
{
paragraphs.Add(NoVisualizationWarningWrapperElement);
}
Int32 index = 0;
foreach (StackPanel paragraph in paragraphs)
{
Canvas.SetLeft(paragraph, ViewModel.MainPageViewModel.ParagraphWidth * index);
index++;
}
ParagraphContainerCanvasElement.Width = index * ViewModel.MainPageViewModel.ParagraphWidth;
// 먼저 전에 보이던 시각화와 같은 시각화가 있는지 본다. 있으면 그걸 먼저 보여줌 (바, 산점도)에서 산점도를 보다 바가 없어지면 그대로 산점도를 보여주고 싶음
index = 0;
Int32 sameIndex = 0;
StackPanel sameParagraph = null;
foreach (StackPanel paragraph in paragraphs)
{
if (paragraph.Tag?.ToString() == PageLabelViewElement.ActivatedParagraphTag)
{
sameParagraph = paragraph;
sameIndex = index;
}
index++;
}
if (sameParagraph != null && trackPreviousParagraph)
{
PageLabelViewElement.ActivatedParagraphIndex = sameIndex;
Carousel.ChangeView(sameIndex * ViewModel.MainPageViewModel.ParagraphWidth, null, null, true);
}
else
{
// 아니면 현재 위치를 유지해보자
// 0으로 초기화
Double offset = Carousel.HorizontalOffset;
Double width = Carousel.ActualWidth;
Carousel.ChangeView(0, null, null, true);
PageLabelViewElement.ActivatedParagraphIndex = 0;
}
ViewModel.ViewStatus.ActivatedChart = paragraphs[PageLabelViewElement.ActivatedParagraphIndex].Children.Last();
PageLabelViewElement.Update(paragraphs);
}
