internal PDFSearchResult SetCurrentSearchPosition(PDFSearchResult previous_search_result_placeholder)
{
PDFRendererControl pdf_renderer_control = GetPDFRendererControl();
if (pdf_renderer_control != null)
{
foreach (PDFTextItem pdf_text_item in Children.OfType <PDFTextItem>())
{
ASSERT.Test(pdf_text_item != null);
PDFSearchResult search_result_placeholder = pdf_text_item.Tag as PDFSearchResult;
// If there was no previous search location, we use the first we find
// If the last text item was the match position, use this next one
if (previous_search_result_placeholder == search_result_placeholder)
{
pdf_renderer_control.SelectPage(page);
pdf_text_item.BringIntoView();
pdf_text_item.Opacity = 0;
Animations.Fade(pdf_text_item, 0.1, 1);
return(search_result_placeholder);
}
}
}
return(null);
}
internal PDFSearchResult SetNextSearchPosition(PDFSearchResult previous_search_result_placeholder)
{
bool have_found_last_search_item = false;
foreach (PDFTextItem pdf_text_item in Children.OfType <PDFTextItem>())
{
PDFSearchResult search_result_placeholder = pdf_text_item.Tag as PDFSearchResult;
// If there was no previous search location, we use the first we find
// If the last text item was the match position, use this next one
if (null == previous_search_result_placeholder || have_found_last_search_item && previous_search_result_placeholder != search_result_placeholder)
{
pdf_renderer_control_stats.pdf_renderer_control.SelectPage(this.page);
pdf_text_item.BringIntoView();
pdf_text_item.Opacity = 0;
Animations.Fade(pdf_text_item, 0.1, 1);
return(search_result_placeholder);
}
// If we have just found the last match, flag that the next one is the successor match
if (previous_search_result_placeholder == search_result_placeholder)
{
have_found_last_search_item = true;
}
}
// We have not managed to find a search position if we get this far
return(null);
}
public void FlashSelectedSearchItem(PDFSearchResult search_result)
{
FeatureTrackingManager.Instance.UseFeature(Features.DocumentSearch_GoToSearchResultLocation);
if (null != search_result)
{
PDFRendererPageControl page_control = (PDFRendererPageControl)ObjPagesPanel.Children[search_result.page - 1];
previous_search_result_placeholder = page_control.SetCurrentSearchPosition(search_result);
}
}
private void ListSearchDetails_SearchSelectionChanged(PDFSearchResult search_result)
{
FeatureTrackingManager.Instance.UseFeature(Features.Library_SearchInsideJumpToLocation);
if (null != search_result)
{
MainWindowServiceDispatcher.Instance.OpenDocument(PDFDocumentBindable.Underlying, search_result.page, LibraryCatalogControl.FilterTerms, false);
}
}
public void SetSearchKeywords(PDFSearchResultSet search_result_set)
{
// If we have a new seat of search results
if (previous_search_result_set != search_result_set)
{
previous_search_result_set = search_result_set;
previous_search_result_placeholder = null;
foreach (PDFRendererPageControl page_control in ObjPagesPanel.Children.OfType <PDFRendererPageControl>())
{
ASSERT.Test(page_control != null);
page_control.SetSearchKeywords(search_result_set);
}
}
// Now find and flash the next (or first) placeholder
{
// If we are searching again, go from the placeholder
if (null != previous_search_result_placeholder)
{
for (int page = previous_search_result_placeholder.page; page <= ObjPagesPanel.Children.Count; ++page)
{
PDFRendererPageControl page_control = (PDFRendererPageControl)ObjPagesPanel.Children[page - 1];
ASSERT.Test(page_control != null);
previous_search_result_placeholder = page_control?.SetNextSearchPosition(previous_search_result_placeholder);
// If it managed to find a successor search position, stick with that
if (null != previous_search_result_placeholder)
{
break;
}
}
}
// If the placeholder hasn't found a successor, start from scratch
if (null == previous_search_result_placeholder)
{
for (int page = 1; page <= ObjPagesPanel.Children.Count; ++page)
{
PDFRendererPageControl page_control = (PDFRendererPageControl)ObjPagesPanel.Children[page - 1];
ASSERT.Test(page_control != null);
previous_search_result_placeholder = page_control.SetNextSearchPosition(previous_search_result_placeholder);
// If it managed to find a successor search position, stick with that
if (null != previous_search_result_placeholder)
{
break;
}
}
}
}
}
private void FocusSearchResult(PDFSearchResult res)
{
System.Drawing.Point scrollPosition = this.pageViewControl1.ScrollPosition;
if (this._pdfDoc.PageWidth > this.pageViewControl1.Width)
{
scrollPosition.X = res.Position.Left - this.pageViewControl1.Width - this.pageViewControl1.Margin.Size.Width;
}
if (this._pdfDoc.PageHeight > this.pageViewControl1.Height)
{
scrollPosition.Y = res.Position.Top - this.pageViewControl1.Height - this.pageViewControl1.Margin.Size.Height;
}
this.pageViewControl1.ScrollPosition = scrollPosition;
}
private void ListSearchDetails_SearchSelectionChanged(PDFSearchResult search_result)
{
pdf_renderer_control.FlashSelectedSearchItem(search_result);
}
internal PDFSearchResult SetNextSearchPosition(PDFSearchResult previous_search_result_placeholder)
{
return(CanvasSearch.SetNextSearchPosition(previous_search_result_placeholder));
}
